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// ImGui library v1.45 WIP
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// Drawing and font code
// Contains implementation for
// - ImDrawList
// - ImDrawData
// - ImFontAtlas
// - ImFont
// - Default font data
# if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
# define _CRT_SECURE_NO_WARNINGS
# endif
# include "imgui.h"
# define IMGUI_DEFINE_MATH_OPERATORS
# include "imgui_internal.h"
# include <stdio.h> // vsnprintf, sscanf, printf
# include <new> // new (ptr)
# ifndef alloca
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# if _WIN32
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# include <malloc.h> // alloca
# else
# include <alloca.h> // alloca
# endif
# endif
# ifdef _MSC_VER
# pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
# pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
# define snprintf _snprintf
# endif
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# ifdef __GNUC__
# pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
# endif
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//-------------------------------------------------------------------------
// STB libraries implementation
//-------------------------------------------------------------------------
//#define IMGUI_STB_NAMESPACE ImGuiStb
//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
# ifdef IMGUI_STB_NAMESPACE
namespace IMGUI_STB_NAMESPACE
{
# endif
# ifdef __clang__
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wunused-function"
# pragma clang diagnostic ignored "-Wmissing-prototypes"
# endif
# define STBRP_ASSERT(x) IM_ASSERT(x)
# ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
# define STBRP_STATIC
# define STB_RECT_PACK_IMPLEMENTATION
# endif
# include "stb_rect_pack.h"
# define STBTT_malloc(x,u) ((void)(u), ImGui::MemAlloc(x))
# define STBTT_free(x,u) ((void)(u), ImGui::MemFree(x))
# define STBTT_assert(x) IM_ASSERT(x)
# ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
# define STBTT_STATIC
# define STB_TRUETYPE_IMPLEMENTATION
# else
# define STBTT_DEF extern
# endif
# include "stb_truetype.h"
# ifdef __clang__
# pragma clang diagnostic pop
# endif
# ifdef IMGUI_STB_NAMESPACE
} // namespace ImGuiStb
using namespace IMGUI_STB_NAMESPACE ;
# endif
//-----------------------------------------------------------------------------
// ImDrawList
//-----------------------------------------------------------------------------
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static ImVec4 GNullClipRect ( - 8192.0f , - 8192.0f , + 8192.0f , + 8192.0f ) ; // Large values that are easy to encode in a few bits+shift
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void ImDrawList : : Clear ( )
{
CmdBuffer . resize ( 0 ) ;
IdxBuffer . resize ( 0 ) ;
VtxBuffer . resize ( 0 ) ;
_VtxCurrentIdx = 0 ;
_VtxWritePtr = NULL ;
_IdxWritePtr = NULL ;
_ClipRectStack . resize ( 0 ) ;
_TextureIdStack . resize ( 0 ) ;
_Path . resize ( 0 ) ;
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_ChannelsCurrent = 0 ;
_ChannelsCount = 1 ;
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// NB: Do not clear channels so our allocations are re-used after the first frame.
}
void ImDrawList : : ClearFreeMemory ( )
{
CmdBuffer . clear ( ) ;
IdxBuffer . clear ( ) ;
VtxBuffer . clear ( ) ;
_VtxCurrentIdx = 0 ;
_VtxWritePtr = NULL ;
_IdxWritePtr = NULL ;
_ClipRectStack . clear ( ) ;
_TextureIdStack . clear ( ) ;
_Path . clear ( ) ;
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_ChannelsCurrent = 0 ;
_ChannelsCount = 1 ;
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for ( int i = 0 ; i < _Channels . Size ; i + + )
{
if ( i = = 0 ) memset ( & _Channels [ 0 ] , 0 , sizeof ( _Channels [ 0 ] ) ) ; // channel 0 is a copy of CmdBuffer/IdxBuffer, don't destruct again
_Channels [ i ] . CmdBuffer . clear ( ) ;
_Channels [ i ] . IdxBuffer . clear ( ) ;
}
_Channels . clear ( ) ;
}
void ImDrawList : : AddDrawCmd ( )
{
ImDrawCmd draw_cmd ;
draw_cmd . ClipRect = _ClipRectStack . Size ? _ClipRectStack . back ( ) : GNullClipRect ;
draw_cmd . TextureId = _TextureIdStack . Size ? _TextureIdStack . back ( ) : NULL ;
IM_ASSERT ( draw_cmd . ClipRect . x < = draw_cmd . ClipRect . z & & draw_cmd . ClipRect . y < = draw_cmd . ClipRect . w ) ;
CmdBuffer . push_back ( draw_cmd ) ;
}
void ImDrawList : : AddCallback ( ImDrawCallback callback , void * callback_data )
{
ImDrawCmd * current_cmd = CmdBuffer . Size ? & CmdBuffer . back ( ) : NULL ;
if ( ! current_cmd | | current_cmd - > ElemCount ! = 0 | | current_cmd - > UserCallback ! = NULL )
{
AddDrawCmd ( ) ;
current_cmd = & CmdBuffer . back ( ) ;
}
current_cmd - > UserCallback = callback ;
current_cmd - > UserCallbackData = callback_data ;
// Force a new command after us (we function this way so that the most common calls AddLine, AddRect, etc. always have a command to add to without doing any check).
AddDrawCmd ( ) ;
}
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void ImDrawList : : ChannelsSplit ( int channels_count )
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{
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IM_ASSERT ( _ChannelsCurrent = = 0 & & _ChannelsCount = = 1 ) ;
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int old_channels_count = _Channels . Size ;
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if ( old_channels_count < channels_count )
_Channels . resize ( channels_count ) ;
_ChannelsCount = channels_count ;
for ( int i = 0 ; i < channels_count ; i + + )
{
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if ( i > = old_channels_count )
new ( & _Channels [ i ] ) ImDrawChannel ( ) ;
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else if ( i > 0 )
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_Channels [ i ] . CmdBuffer . resize ( 0 ) , _Channels [ i ] . IdxBuffer . resize ( 0 ) ;
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if ( _Channels [ i ] . CmdBuffer . Size = = 0 )
{
ImDrawCmd draw_cmd ;
draw_cmd . ClipRect = _ClipRectStack . back ( ) ;
draw_cmd . TextureId = _TextureIdStack . back ( ) ;
_Channels [ i ] . CmdBuffer . push_back ( draw_cmd ) ;
}
}
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}
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void ImDrawList : : ChannelsMerge ( )
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{
// Note that we never use or rely on channels.Size because it is merely a buffer that we never shrink back to 0 to keep all sub-buffers ready for use.
// This is why this function takes 'channel_count' as a parameter of how many channels to merge (the user knows)
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if ( _ChannelsCount < = 1 )
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return ;
ChannelsSetCurrent ( 0 ) ;
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if ( CmdBuffer . Size & & CmdBuffer . back ( ) . ElemCount = = 0 )
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CmdBuffer . pop_back ( ) ;
int new_cmd_buffer_count = 0 , new_idx_buffer_count = 0 ;
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for ( int i = 1 ; i < _ChannelsCount ; i + + )
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{
ImDrawChannel & ch = _Channels [ i ] ;
if ( ch . CmdBuffer . Size & & ch . CmdBuffer . back ( ) . ElemCount = = 0 )
ch . CmdBuffer . pop_back ( ) ;
new_cmd_buffer_count + = ch . CmdBuffer . Size ;
new_idx_buffer_count + = ch . IdxBuffer . Size ;
}
CmdBuffer . resize ( CmdBuffer . Size + new_cmd_buffer_count ) ;
IdxBuffer . resize ( IdxBuffer . Size + new_idx_buffer_count ) ;
ImDrawCmd * cmd_write = CmdBuffer . Data + CmdBuffer . Size - new_cmd_buffer_count ;
_IdxWritePtr = IdxBuffer . Data + IdxBuffer . Size - new_idx_buffer_count ;
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for ( int i = 1 ; i < _ChannelsCount ; i + + )
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{
ImDrawChannel & ch = _Channels [ i ] ;
if ( int sz = ch . CmdBuffer . Size ) { memcpy ( cmd_write , ch . CmdBuffer . Data , sz * sizeof ( ImDrawCmd ) ) ; cmd_write + = sz ; }
if ( int sz = ch . IdxBuffer . Size ) { memcpy ( _IdxWritePtr , ch . IdxBuffer . Data , sz * sizeof ( ImDrawIdx ) ) ; _IdxWritePtr + = sz ; }
}
AddDrawCmd ( ) ;
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_ChannelsCount = 1 ;
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}
void ImDrawList : : ChannelsSetCurrent ( int idx )
{
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if ( _ChannelsCurrent = = idx ) return ;
memcpy ( & _Channels . Data [ _ChannelsCurrent ] . CmdBuffer , & CmdBuffer , sizeof ( CmdBuffer ) ) ; // copy 12 bytes, four times
memcpy ( & _Channels . Data [ _ChannelsCurrent ] . IdxBuffer , & IdxBuffer , sizeof ( IdxBuffer ) ) ;
_ChannelsCurrent = idx ;
memcpy ( & CmdBuffer , & _Channels . Data [ _ChannelsCurrent ] . CmdBuffer , sizeof ( CmdBuffer ) ) ;
memcpy ( & IdxBuffer , & _Channels . Data [ _ChannelsCurrent ] . IdxBuffer , sizeof ( IdxBuffer ) ) ;
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_IdxWritePtr = IdxBuffer . Data + IdxBuffer . Size ;
}
void ImDrawList : : UpdateClipRect ( )
{
ImDrawCmd * current_cmd = CmdBuffer . Size ? & CmdBuffer . back ( ) : NULL ;
if ( ! current_cmd | | ( current_cmd - > ElemCount ! = 0 ) | | current_cmd - > UserCallback ! = NULL )
{
AddDrawCmd ( ) ;
}
else
{
ImVec4 current_clip_rect = _ClipRectStack . Size ? _ClipRectStack . back ( ) : GNullClipRect ;
if ( CmdBuffer . Size > = 2 & & ImLengthSqr ( CmdBuffer . Data [ CmdBuffer . Size - 2 ] . ClipRect - current_clip_rect ) < 0.00001f )
CmdBuffer . pop_back ( ) ;
else
current_cmd - > ClipRect = current_clip_rect ;
}
}
// Scissoring. The values in clip_rect are x1, y1, x2, y2.
void ImDrawList : : PushClipRect ( const ImVec4 & clip_rect )
{
_ClipRectStack . push_back ( clip_rect ) ;
UpdateClipRect ( ) ;
}
void ImDrawList : : PushClipRectFullScreen ( )
{
PushClipRect ( GNullClipRect ) ;
// This would be more correct but we're not supposed to access ImGuiState from here?
//ImGuiState& g = *GImGui;
//PushClipRect(GetVisibleRect());
}
void ImDrawList : : PopClipRect ( )
{
IM_ASSERT ( _ClipRectStack . Size > 0 ) ;
_ClipRectStack . pop_back ( ) ;
UpdateClipRect ( ) ;
}
void ImDrawList : : UpdateTextureID ( )
{
ImDrawCmd * current_cmd = CmdBuffer . Size ? & CmdBuffer . back ( ) : NULL ;
const ImTextureID texture_id = _TextureIdStack . Size ? _TextureIdStack . back ( ) : NULL ;
if ( ! current_cmd | | ( current_cmd - > ElemCount ! = 0 & & current_cmd - > TextureId ! = texture_id ) | | current_cmd - > UserCallback ! = NULL )
AddDrawCmd ( ) ;
else
current_cmd - > TextureId = texture_id ;
}
void ImDrawList : : PushTextureID ( const ImTextureID & texture_id )
{
_TextureIdStack . push_back ( texture_id ) ;
UpdateTextureID ( ) ;
}
void ImDrawList : : PopTextureID ( )
{
IM_ASSERT ( _TextureIdStack . Size > 0 ) ;
_TextureIdStack . pop_back ( ) ;
UpdateTextureID ( ) ;
}
// NB: this can be called with negative count for removing primitives (as long as the result does not underflow)
void ImDrawList : : PrimReserve ( int idx_count , int vtx_count )
{
ImDrawCmd & draw_cmd = CmdBuffer . Data [ CmdBuffer . Size - 1 ] ;
draw_cmd . ElemCount + = idx_count ;
int vtx_buffer_size = VtxBuffer . Size ;
VtxBuffer . resize ( vtx_buffer_size + vtx_count ) ;
_VtxWritePtr = VtxBuffer . Data + vtx_buffer_size ;
int idx_buffer_size = IdxBuffer . Size ;
IdxBuffer . resize ( idx_buffer_size + idx_count ) ;
_IdxWritePtr = IdxBuffer . Data + idx_buffer_size ;
}
void ImDrawList : : PrimRect ( const ImVec2 & a , const ImVec2 & c , ImU32 col )
{
const ImVec2 uv = GImGui - > FontTexUvWhitePixel ;
const ImVec2 b ( c . x , a . y ) ;
const ImVec2 d ( a . x , c . y ) ;
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_IdxWritePtr [ 0 ] = ( ImDrawIdx ) ( _VtxCurrentIdx ) ; _IdxWritePtr [ 1 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 1 ) ; _IdxWritePtr [ 2 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 2 ) ;
_IdxWritePtr [ 3 ] = ( ImDrawIdx ) ( _VtxCurrentIdx ) ; _IdxWritePtr [ 4 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 2 ) ; _IdxWritePtr [ 5 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 3 ) ;
_VtxWritePtr [ 0 ] . pos = a ; _VtxWritePtr [ 0 ] . uv = uv ; _VtxWritePtr [ 0 ] . col = col ;
_VtxWritePtr [ 1 ] . pos = b ; _VtxWritePtr [ 1 ] . uv = uv ; _VtxWritePtr [ 1 ] . col = col ;
_VtxWritePtr [ 2 ] . pos = c ; _VtxWritePtr [ 2 ] . uv = uv ; _VtxWritePtr [ 2 ] . col = col ;
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_VtxWritePtr [ 3 ] . pos = d ; _VtxWritePtr [ 3 ] . uv = uv ; _VtxWritePtr [ 3 ] . col = col ;
_VtxWritePtr + = 4 ;
_VtxCurrentIdx + = 4 ;
_IdxWritePtr + = 6 ;
}
void ImDrawList : : PrimRectUV ( const ImVec2 & a , const ImVec2 & c , const ImVec2 & uv_a , const ImVec2 & uv_c , ImU32 col )
{
const ImVec2 b ( c . x , a . y ) ;
const ImVec2 d ( a . x , c . y ) ;
const ImVec2 uv_b ( uv_c . x , uv_a . y ) ;
const ImVec2 uv_d ( uv_a . x , uv_c . y ) ;
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_IdxWritePtr [ 0 ] = ( ImDrawIdx ) ( _VtxCurrentIdx ) ; _IdxWritePtr [ 1 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 1 ) ; _IdxWritePtr [ 2 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 2 ) ;
_IdxWritePtr [ 3 ] = ( ImDrawIdx ) ( _VtxCurrentIdx ) ; _IdxWritePtr [ 4 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 2 ) ; _IdxWritePtr [ 5 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 3 ) ;
_VtxWritePtr [ 0 ] . pos = a ; _VtxWritePtr [ 0 ] . uv = uv_a ; _VtxWritePtr [ 0 ] . col = col ;
_VtxWritePtr [ 1 ] . pos = b ; _VtxWritePtr [ 1 ] . uv = uv_b ; _VtxWritePtr [ 1 ] . col = col ;
_VtxWritePtr [ 2 ] . pos = c ; _VtxWritePtr [ 2 ] . uv = uv_c ; _VtxWritePtr [ 2 ] . col = col ;
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_VtxWritePtr [ 3 ] . pos = d ; _VtxWritePtr [ 3 ] . uv = uv_d ; _VtxWritePtr [ 3 ] . col = col ;
_VtxWritePtr + = 4 ;
_VtxCurrentIdx + = 4 ;
_IdxWritePtr + = 6 ;
}
// TODO: Thickness anti-aliased lines cap are missing their AA fringe.
void ImDrawList : : AddPolyline ( const ImVec2 * points , const int points_count , ImU32 col , bool closed , float thickness , bool anti_aliased )
{
if ( points_count < 2 )
return ;
const ImVec2 uv = GImGui - > FontTexUvWhitePixel ;
anti_aliased & = GImGui - > Style . AntiAliasedLines ;
//if (ImGui::GetIO().KeyCtrl) anti_aliased = false;
int count = points_count ;
if ( ! closed )
count = points_count - 1 ;
const bool thick_line = thickness > 1.0f ;
if ( anti_aliased )
{
// Anti-aliased stroke
const float AA_SIZE = 1.0f ;
const ImU32 col_trans = col & 0x00ffffff ;
const int idx_count = thick_line ? count * 18 : count * 12 ;
const int vtx_count = thick_line ? points_count * 4 : points_count * 3 ;
PrimReserve ( idx_count , vtx_count ) ;
// Temporary buffer
ImVec2 * temp_normals = ( ImVec2 * ) alloca ( points_count * ( thick_line ? 5 : 3 ) * sizeof ( ImVec2 ) ) ;
ImVec2 * temp_points = temp_normals + points_count ;
for ( int i1 = 0 ; i1 < count ; i1 + + )
{
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const int i2 = ( i1 + 1 ) = = points_count ? 0 : i1 + 1 ;
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ImVec2 diff = points [ i2 ] - points [ i1 ] ;
diff * = ImInvLength ( diff , 1.0f ) ;
temp_normals [ i1 ] . x = diff . y ;
temp_normals [ i1 ] . y = - diff . x ;
}
if ( ! closed )
temp_normals [ points_count - 1 ] = temp_normals [ points_count - 2 ] ;
if ( ! thick_line )
{
if ( ! closed )
{
temp_points [ 0 ] = points [ 0 ] + temp_normals [ 0 ] * AA_SIZE ;
temp_points [ 1 ] = points [ 0 ] - temp_normals [ 0 ] * AA_SIZE ;
temp_points [ ( points_count - 1 ) * 2 + 0 ] = points [ points_count - 1 ] + temp_normals [ points_count - 1 ] * AA_SIZE ;
temp_points [ ( points_count - 1 ) * 2 + 1 ] = points [ points_count - 1 ] - temp_normals [ points_count - 1 ] * AA_SIZE ;
}
// FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
unsigned int idx1 = _VtxCurrentIdx ;
for ( int i1 = 0 ; i1 < count ; i1 + + )
{
const int i2 = ( i1 + 1 ) = = points_count ? 0 : i1 + 1 ;
unsigned int idx2 = ( i1 + 1 ) = = points_count ? _VtxCurrentIdx : idx1 + 3 ;
// Average normals
ImVec2 dm = ( temp_normals [ i1 ] + temp_normals [ i2 ] ) * 0.5f ;
float dmr2 = dm . x * dm . x + dm . y * dm . y ;
if ( dmr2 > 0.000001f )
{
float scale = 1.0f / dmr2 ;
if ( scale > 100.0f ) scale = 100.0f ;
dm * = scale ;
}
dm * = AA_SIZE ;
temp_points [ i2 * 2 + 0 ] = points [ i2 ] + dm ;
temp_points [ i2 * 2 + 1 ] = points [ i2 ] - dm ;
// Add indexes
_IdxWritePtr [ 0 ] = ( ImDrawIdx ) ( idx2 + 0 ) ; _IdxWritePtr [ 1 ] = ( ImDrawIdx ) ( idx1 + 0 ) ; _IdxWritePtr [ 2 ] = ( ImDrawIdx ) ( idx1 + 2 ) ;
_IdxWritePtr [ 3 ] = ( ImDrawIdx ) ( idx1 + 2 ) ; _IdxWritePtr [ 4 ] = ( ImDrawIdx ) ( idx2 + 2 ) ; _IdxWritePtr [ 5 ] = ( ImDrawIdx ) ( idx2 + 0 ) ;
_IdxWritePtr [ 6 ] = ( ImDrawIdx ) ( idx2 + 1 ) ; _IdxWritePtr [ 7 ] = ( ImDrawIdx ) ( idx1 + 1 ) ; _IdxWritePtr [ 8 ] = ( ImDrawIdx ) ( idx1 + 0 ) ;
_IdxWritePtr [ 9 ] = ( ImDrawIdx ) ( idx1 + 0 ) ; _IdxWritePtr [ 10 ] = ( ImDrawIdx ) ( idx2 + 0 ) ; _IdxWritePtr [ 11 ] = ( ImDrawIdx ) ( idx2 + 1 ) ;
_IdxWritePtr + = 12 ;
idx1 = idx2 ;
}
// Add vertexes
for ( int i = 0 ; i < points_count ; i + + )
{
_VtxWritePtr [ 0 ] . pos = points [ i ] ; _VtxWritePtr [ 0 ] . uv = uv ; _VtxWritePtr [ 0 ] . col = col ;
_VtxWritePtr [ 1 ] . pos = temp_points [ i * 2 + 0 ] ; _VtxWritePtr [ 1 ] . uv = uv ; _VtxWritePtr [ 1 ] . col = col_trans ;
_VtxWritePtr [ 2 ] . pos = temp_points [ i * 2 + 1 ] ; _VtxWritePtr [ 2 ] . uv = uv ; _VtxWritePtr [ 2 ] . col = col_trans ;
_VtxWritePtr + = 3 ;
}
}
else
{
const float half_inner_thickness = ( thickness - AA_SIZE ) * 0.5f ;
if ( ! closed )
{
temp_points [ 0 ] = points [ 0 ] + temp_normals [ 0 ] * ( half_inner_thickness + AA_SIZE ) ;
temp_points [ 1 ] = points [ 0 ] + temp_normals [ 0 ] * ( half_inner_thickness ) ;
temp_points [ 2 ] = points [ 0 ] - temp_normals [ 0 ] * ( half_inner_thickness ) ;
temp_points [ 3 ] = points [ 0 ] - temp_normals [ 0 ] * ( half_inner_thickness + AA_SIZE ) ;
temp_points [ ( points_count - 1 ) * 4 + 0 ] = points [ points_count - 1 ] + temp_normals [ points_count - 1 ] * ( half_inner_thickness + AA_SIZE ) ;
temp_points [ ( points_count - 1 ) * 4 + 1 ] = points [ points_count - 1 ] + temp_normals [ points_count - 1 ] * ( half_inner_thickness ) ;
temp_points [ ( points_count - 1 ) * 4 + 2 ] = points [ points_count - 1 ] - temp_normals [ points_count - 1 ] * ( half_inner_thickness ) ;
temp_points [ ( points_count - 1 ) * 4 + 3 ] = points [ points_count - 1 ] - temp_normals [ points_count - 1 ] * ( half_inner_thickness + AA_SIZE ) ;
}
// FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
unsigned int idx1 = _VtxCurrentIdx ;
for ( int i1 = 0 ; i1 < count ; i1 + + )
{
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const int i2 = ( i1 + 1 ) = = points_count ? 0 : i1 + 1 ;
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unsigned int idx2 = ( i1 + 1 ) = = points_count ? _VtxCurrentIdx : idx1 + 4 ;
// Average normals
ImVec2 dm = ( temp_normals [ i1 ] + temp_normals [ i2 ] ) * 0.5f ;
float dmr2 = dm . x * dm . x + dm . y * dm . y ;
if ( dmr2 > 0.000001f )
{
float scale = 1.0f / dmr2 ;
if ( scale > 100.0f ) scale = 100.0f ;
dm * = scale ;
}
ImVec2 dm_out = dm * ( half_inner_thickness + AA_SIZE ) ;
ImVec2 dm_in = dm * half_inner_thickness ;
temp_points [ i2 * 4 + 0 ] = points [ i2 ] + dm_out ;
temp_points [ i2 * 4 + 1 ] = points [ i2 ] + dm_in ;
temp_points [ i2 * 4 + 2 ] = points [ i2 ] - dm_in ;
temp_points [ i2 * 4 + 3 ] = points [ i2 ] - dm_out ;
// Add indexes
_IdxWritePtr [ 0 ] = ( ImDrawIdx ) ( idx2 + 1 ) ; _IdxWritePtr [ 1 ] = ( ImDrawIdx ) ( idx1 + 1 ) ; _IdxWritePtr [ 2 ] = ( ImDrawIdx ) ( idx1 + 2 ) ;
_IdxWritePtr [ 3 ] = ( ImDrawIdx ) ( idx1 + 2 ) ; _IdxWritePtr [ 4 ] = ( ImDrawIdx ) ( idx2 + 2 ) ; _IdxWritePtr [ 5 ] = ( ImDrawIdx ) ( idx2 + 1 ) ;
_IdxWritePtr [ 6 ] = ( ImDrawIdx ) ( idx2 + 1 ) ; _IdxWritePtr [ 7 ] = ( ImDrawIdx ) ( idx1 + 1 ) ; _IdxWritePtr [ 8 ] = ( ImDrawIdx ) ( idx1 + 0 ) ;
_IdxWritePtr [ 9 ] = ( ImDrawIdx ) ( idx1 + 0 ) ; _IdxWritePtr [ 10 ] = ( ImDrawIdx ) ( idx2 + 0 ) ; _IdxWritePtr [ 11 ] = ( ImDrawIdx ) ( idx2 + 1 ) ;
_IdxWritePtr [ 12 ] = ( ImDrawIdx ) ( idx2 + 2 ) ; _IdxWritePtr [ 13 ] = ( ImDrawIdx ) ( idx1 + 2 ) ; _IdxWritePtr [ 14 ] = ( ImDrawIdx ) ( idx1 + 3 ) ;
_IdxWritePtr [ 15 ] = ( ImDrawIdx ) ( idx1 + 3 ) ; _IdxWritePtr [ 16 ] = ( ImDrawIdx ) ( idx2 + 3 ) ; _IdxWritePtr [ 17 ] = ( ImDrawIdx ) ( idx2 + 2 ) ;
_IdxWritePtr + = 18 ;
idx1 = idx2 ;
}
// Add vertexes
for ( int i = 0 ; i < points_count ; i + + )
{
_VtxWritePtr [ 0 ] . pos = temp_points [ i * 4 + 0 ] ; _VtxWritePtr [ 0 ] . uv = uv ; _VtxWritePtr [ 0 ] . col = col_trans ;
_VtxWritePtr [ 1 ] . pos = temp_points [ i * 4 + 1 ] ; _VtxWritePtr [ 1 ] . uv = uv ; _VtxWritePtr [ 1 ] . col = col ;
_VtxWritePtr [ 2 ] . pos = temp_points [ i * 4 + 2 ] ; _VtxWritePtr [ 2 ] . uv = uv ; _VtxWritePtr [ 2 ] . col = col ;
_VtxWritePtr [ 3 ] . pos = temp_points [ i * 4 + 3 ] ; _VtxWritePtr [ 3 ] . uv = uv ; _VtxWritePtr [ 3 ] . col = col_trans ;
_VtxWritePtr + = 4 ;
}
}
_VtxCurrentIdx + = ( ImDrawIdx ) vtx_count ;
}
else
{
// Non Anti-aliased Stroke
const int idx_count = count * 6 ;
const int vtx_count = count * 4 ; // FIXME-OPT: Not sharing edges
PrimReserve ( idx_count , vtx_count ) ;
for ( int i1 = 0 ; i1 < count ; i1 + + )
{
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const int i2 = ( i1 + 1 ) = = points_count ? 0 : i1 + 1 ;
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const ImVec2 & p1 = points [ i1 ] ;
const ImVec2 & p2 = points [ i2 ] ;
ImVec2 diff = p2 - p1 ;
diff * = ImInvLength ( diff , 1.0f ) ;
const float dx = diff . x * ( thickness * 0.5f ) ;
const float dy = diff . y * ( thickness * 0.5f ) ;
_VtxWritePtr [ 0 ] . pos . x = p1 . x + dy ; _VtxWritePtr [ 0 ] . pos . y = p1 . y - dx ; _VtxWritePtr [ 0 ] . uv = uv ; _VtxWritePtr [ 0 ] . col = col ;
_VtxWritePtr [ 1 ] . pos . x = p2 . x + dy ; _VtxWritePtr [ 1 ] . pos . y = p2 . y - dx ; _VtxWritePtr [ 1 ] . uv = uv ; _VtxWritePtr [ 1 ] . col = col ;
_VtxWritePtr [ 2 ] . pos . x = p2 . x - dy ; _VtxWritePtr [ 2 ] . pos . y = p2 . y + dx ; _VtxWritePtr [ 2 ] . uv = uv ; _VtxWritePtr [ 2 ] . col = col ;
_VtxWritePtr [ 3 ] . pos . x = p1 . x - dy ; _VtxWritePtr [ 3 ] . pos . y = p1 . y + dx ; _VtxWritePtr [ 3 ] . uv = uv ; _VtxWritePtr [ 3 ] . col = col ;
_VtxWritePtr + = 4 ;
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_IdxWritePtr [ 0 ] = ( ImDrawIdx ) ( _VtxCurrentIdx ) ; _IdxWritePtr [ 1 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 1 ) ; _IdxWritePtr [ 2 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 2 ) ;
_IdxWritePtr [ 3 ] = ( ImDrawIdx ) ( _VtxCurrentIdx ) ; _IdxWritePtr [ 4 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 2 ) ; _IdxWritePtr [ 5 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + 3 ) ;
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_IdxWritePtr + = 6 ;
_VtxCurrentIdx + = 4 ;
}
}
}
void ImDrawList : : AddConvexPolyFilled ( const ImVec2 * points , const int points_count , ImU32 col , bool anti_aliased )
{
const ImVec2 uv = GImGui - > FontTexUvWhitePixel ;
anti_aliased & = GImGui - > Style . AntiAliasedShapes ;
//if (ImGui::GetIO().KeyCtrl) anti_aliased = false;
if ( anti_aliased )
{
// Anti-aliased Fill
const float AA_SIZE = 1.0f ;
const ImU32 col_trans = col & 0x00ffffff ;
const int idx_count = ( points_count - 2 ) * 3 + points_count * 6 ;
const int vtx_count = ( points_count * 2 ) ;
PrimReserve ( idx_count , vtx_count ) ;
// Add indexes for fill
unsigned int vtx_inner_idx = _VtxCurrentIdx ;
unsigned int vtx_outer_idx = _VtxCurrentIdx + 1 ;
for ( int i = 2 ; i < points_count ; i + + )
{
_IdxWritePtr [ 0 ] = ( ImDrawIdx ) ( vtx_inner_idx ) ; _IdxWritePtr [ 1 ] = ( ImDrawIdx ) ( vtx_inner_idx + ( ( i - 1 ) < < 1 ) ) ; _IdxWritePtr [ 2 ] = ( ImDrawIdx ) ( vtx_inner_idx + ( i < < 1 ) ) ;
_IdxWritePtr + = 3 ;
}
// Compute normals
ImVec2 * temp_normals = ( ImVec2 * ) alloca ( points_count * sizeof ( ImVec2 ) ) ;
for ( int i0 = points_count - 1 , i1 = 0 ; i1 < points_count ; i0 = i1 + + )
{
const ImVec2 & p0 = points [ i0 ] ;
const ImVec2 & p1 = points [ i1 ] ;
ImVec2 diff = p1 - p0 ;
diff * = ImInvLength ( diff , 1.0f ) ;
temp_normals [ i0 ] . x = diff . y ;
temp_normals [ i0 ] . y = - diff . x ;
}
for ( int i0 = points_count - 1 , i1 = 0 ; i1 < points_count ; i0 = i1 + + )
{
// Average normals
const ImVec2 & n0 = temp_normals [ i0 ] ;
const ImVec2 & n1 = temp_normals [ i1 ] ;
ImVec2 dm = ( n0 + n1 ) * 0.5f ;
float dmr2 = dm . x * dm . x + dm . y * dm . y ;
if ( dmr2 > 0.000001f )
{
float scale = 1.0f / dmr2 ;
if ( scale > 100.0f ) scale = 100.0f ;
dm * = scale ;
}
dm * = AA_SIZE * 0.5f ;
// Add vertices
_VtxWritePtr [ 0 ] . pos = ( points [ i1 ] - dm ) ; _VtxWritePtr [ 0 ] . uv = uv ; _VtxWritePtr [ 0 ] . col = col ; // Inner
_VtxWritePtr [ 1 ] . pos = ( points [ i1 ] + dm ) ; _VtxWritePtr [ 1 ] . uv = uv ; _VtxWritePtr [ 1 ] . col = col_trans ; // Outer
_VtxWritePtr + = 2 ;
// Add indexes for fringes
_IdxWritePtr [ 0 ] = ( ImDrawIdx ) ( vtx_inner_idx + ( i1 < < 1 ) ) ; _IdxWritePtr [ 1 ] = ( ImDrawIdx ) ( vtx_inner_idx + ( i0 < < 1 ) ) ; _IdxWritePtr [ 2 ] = ( ImDrawIdx ) ( vtx_outer_idx + ( i0 < < 1 ) ) ;
_IdxWritePtr [ 3 ] = ( ImDrawIdx ) ( vtx_outer_idx + ( i0 < < 1 ) ) ; _IdxWritePtr [ 4 ] = ( ImDrawIdx ) ( vtx_outer_idx + ( i1 < < 1 ) ) ; _IdxWritePtr [ 5 ] = ( ImDrawIdx ) ( vtx_inner_idx + ( i1 < < 1 ) ) ;
_IdxWritePtr + = 6 ;
}
_VtxCurrentIdx + = ( ImDrawIdx ) vtx_count ;
}
else
{
// Non Anti-aliased Fill
const int idx_count = ( points_count - 2 ) * 3 ;
const int vtx_count = points_count ;
PrimReserve ( idx_count , vtx_count ) ;
for ( int i = 0 ; i < vtx_count ; i + + )
{
_VtxWritePtr [ 0 ] . pos = points [ i ] ; _VtxWritePtr [ 0 ] . uv = uv ; _VtxWritePtr [ 0 ] . col = col ;
_VtxWritePtr + + ;
}
for ( int i = 2 ; i < points_count ; i + + )
{
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_IdxWritePtr [ 0 ] = ( ImDrawIdx ) ( _VtxCurrentIdx ) ; _IdxWritePtr [ 1 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + i - 1 ) ; _IdxWritePtr [ 2 ] = ( ImDrawIdx ) ( _VtxCurrentIdx + i ) ;
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_IdxWritePtr + = 3 ;
}
_VtxCurrentIdx + = ( ImDrawIdx ) vtx_count ;
}
}
void ImDrawList : : PathArcToFast ( const ImVec2 & centre , float radius , int amin , int amax )
{
static ImVec2 circle_vtx [ 12 ] ;
static bool circle_vtx_builds = false ;
const int circle_vtx_count = IM_ARRAYSIZE ( circle_vtx ) ;
if ( ! circle_vtx_builds )
{
for ( int i = 0 ; i < circle_vtx_count ; i + + )
{
const float a = ( ( float ) i / ( float ) circle_vtx_count ) * 2 * IM_PI ;
circle_vtx [ i ] . x = cosf ( a ) ;
circle_vtx [ i ] . y = sinf ( a ) ;
}
circle_vtx_builds = true ;
}
if ( amin > amax ) return ;
if ( radius = = 0.0f )
{
_Path . push_back ( centre ) ;
}
else
{
_Path . reserve ( _Path . Size + ( amax - amin + 1 ) ) ;
for ( int a = amin ; a < = amax ; a + + )
{
const ImVec2 & c = circle_vtx [ a % circle_vtx_count ] ;
_Path . push_back ( ImVec2 ( centre . x + c . x * radius , centre . y + c . y * radius ) ) ;
}
}
}
void ImDrawList : : PathArcTo ( const ImVec2 & centre , float radius , float amin , float amax , int num_segments )
{
if ( radius = = 0.0f )
_Path . push_back ( centre ) ;
_Path . reserve ( _Path . Size + ( num_segments + 1 ) ) ;
for ( int i = 0 ; i < = num_segments ; i + + )
{
const float a = amin + ( ( float ) i / ( float ) num_segments ) * ( amax - amin ) ;
_Path . push_back ( ImVec2 ( centre . x + cosf ( a ) * radius , centre . y + sinf ( a ) * radius ) ) ;
}
}
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static void PathBezierToCasteljau ( ImVector < ImVec2 > * path , float x1 , float y1 , float x2 , float y2 , float x3 , float y3 , float x4 , float y4 , float tess_tol , int level )
{
float dx = x4 - x1 ;
float dy = y4 - y1 ;
float d2 = ( ( x2 - x4 ) * dy - ( y2 - y4 ) * dx ) ;
float d3 = ( ( x3 - x4 ) * dy - ( y3 - y4 ) * dx ) ;
d2 = ( d2 > = 0 ) ? d2 : - d2 ;
d3 = ( d3 > = 0 ) ? d3 : - d3 ;
if ( ( d2 + d3 ) * ( d2 + d3 ) < tess_tol * ( dx * dx + dy * dy ) )
{
path - > push_back ( ImVec2 ( x4 , y4 ) ) ;
}
else if ( level < 10 )
{
float x12 = ( x1 + x2 ) * 0.5f , y12 = ( y1 + y2 ) * 0.5f ;
float x23 = ( x2 + x3 ) * 0.5f , y23 = ( y2 + y3 ) * 0.5f ;
float x34 = ( x3 + x4 ) * 0.5f , y34 = ( y3 + y4 ) * 0.5f ;
float x123 = ( x12 + x23 ) * 0.5f , y123 = ( y12 + y23 ) * 0.5f ;
float x234 = ( x23 + x34 ) * 0.5f , y234 = ( y23 + y34 ) * 0.5f ;
float x1234 = ( x123 + x234 ) * 0.5f , y1234 = ( y123 + y234 ) * 0.5f ;
PathBezierToCasteljau ( path , x1 , y1 , x12 , y12 , x123 , y123 , x1234 , y1234 , tess_tol , level + 1 ) ;
PathBezierToCasteljau ( path , x1234 , y1234 , x234 , y234 , x34 , y34 , x4 , y4 , tess_tol , level + 1 ) ;
}
}
void ImDrawList : : PathBezierCurveTo ( const ImVec2 & p2 , const ImVec2 & p3 , const ImVec2 & p4 , int num_segments )
{
ImVec2 p1 = _Path . back ( ) ;
if ( num_segments = = 0 )
{
// Auto-tessellated
PathBezierToCasteljau ( & _Path , p1 . x , p1 . y , p2 . x , p2 . y , p3 . x , p3 . y , p4 . x , p4 . y , GImGui - > Style . CurveTessellationTol , 0 ) ;
}
else
{
float t_step = 1.0f / ( float ) num_segments ;
for ( int i_step = 1 ; i_step < = num_segments ; i_step + + )
{
float t = t_step * i_step ;
float u = 1.0f - t ;
float w1 = u * u * u ;
float w2 = 3 * u * u * t ;
float w3 = 3 * u * t * t ;
float w4 = t * t * t ;
_Path . push_back ( ImVec2 ( w1 * p1 . x + w2 * p2 . x + w3 * p3 . x + w4 * p4 . x , w1 * p1 . y + w2 * p2 . y + w3 * p3 . y + w4 * p4 . y ) ) ;
}
}
}
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void ImDrawList : : PathRect ( const ImVec2 & a , const ImVec2 & b , float rounding , int rounding_corners )
{
float r = rounding ;
r = ImMin ( r , fabsf ( b . x - a . x ) * ( ( ( rounding_corners & ( 1 | 2 ) ) = = ( 1 | 2 ) ) | | ( ( rounding_corners & ( 4 | 8 ) ) = = ( 4 | 8 ) ) ? 0.5f : 1.0f ) - 1.0f ) ;
r = ImMin ( r , fabsf ( b . y - a . y ) * ( ( ( rounding_corners & ( 1 | 8 ) ) = = ( 1 | 8 ) ) | | ( ( rounding_corners & ( 2 | 4 ) ) = = ( 2 | 4 ) ) ? 0.5f : 1.0f ) - 1.0f ) ;
if ( r = = 0.0f | | rounding_corners = = 0 )
{
PathLineTo ( a ) ;
PathLineTo ( ImVec2 ( b . x , a . y ) ) ;
PathLineTo ( b ) ;
PathLineTo ( ImVec2 ( a . x , b . y ) ) ;
}
else
{
const float r0 = ( rounding_corners & 1 ) ? r : 0.0f ;
const float r1 = ( rounding_corners & 2 ) ? r : 0.0f ;
const float r2 = ( rounding_corners & 4 ) ? r : 0.0f ;
const float r3 = ( rounding_corners & 8 ) ? r : 0.0f ;
PathArcToFast ( ImVec2 ( a . x + r0 , a . y + r0 ) , r0 , 6 , 9 ) ;
PathArcToFast ( ImVec2 ( b . x - r1 , a . y + r1 ) , r1 , 9 , 12 ) ;
PathArcToFast ( ImVec2 ( b . x - r2 , b . y - r2 ) , r2 , 0 , 3 ) ;
PathArcToFast ( ImVec2 ( a . x + r3 , b . y - r3 ) , r3 , 3 , 6 ) ;
}
}
void ImDrawList : : AddLine ( const ImVec2 & a , const ImVec2 & b , ImU32 col , float thickness )
{
if ( ( col > > 24 ) = = 0 )
return ;
PathLineTo ( a + ImVec2 ( 0.5f , 0.5f ) ) ;
PathLineTo ( b + ImVec2 ( 0.5f , 0.5f ) ) ;
PathStroke ( col , false , thickness ) ;
}
void ImDrawList : : AddRect ( const ImVec2 & a , const ImVec2 & b , ImU32 col , float rounding , int rounding_corners )
{
if ( ( col > > 24 ) = = 0 )
return ;
PathRect ( a + ImVec2 ( 0.5f , 0.5f ) , b + ImVec2 ( 0.5f , 0.5f ) , rounding , rounding_corners ) ;
PathStroke ( col , true ) ;
}
void ImDrawList : : AddRectFilled ( const ImVec2 & a , const ImVec2 & b , ImU32 col , float rounding , int rounding_corners )
{
if ( ( col > > 24 ) = = 0 )
return ;
if ( rounding > 0.0f )
{
PathRect ( a , b , rounding , rounding_corners ) ;
PathFill ( col ) ;
}
else
{
PrimReserve ( 6 , 4 ) ;
PrimRect ( a , b , col ) ;
}
}
void ImDrawList : : AddRectFilledMultiColor ( const ImVec2 & a , const ImVec2 & c , ImU32 col_upr_left , ImU32 col_upr_right , ImU32 col_bot_right , ImU32 col_bot_left )
{
if ( ( ( col_upr_left | col_upr_right | col_bot_right | col_bot_left ) > > 24 ) = = 0 )
return ;
const ImVec2 uv = GImGui - > FontTexUvWhitePixel ;
PrimReserve ( 6 , 4 ) ;
PrimWriteIdx ( ( ImDrawIdx ) ( _VtxCurrentIdx ) ) ; PrimWriteIdx ( ( ImDrawIdx ) ( _VtxCurrentIdx + 1 ) ) ; PrimWriteIdx ( ( ImDrawIdx ) ( _VtxCurrentIdx + 2 ) ) ;
PrimWriteIdx ( ( ImDrawIdx ) ( _VtxCurrentIdx ) ) ; PrimWriteIdx ( ( ImDrawIdx ) ( _VtxCurrentIdx + 2 ) ) ; PrimWriteIdx ( ( ImDrawIdx ) ( _VtxCurrentIdx + 3 ) ) ;
PrimWriteVtx ( a , uv , col_upr_left ) ;
PrimWriteVtx ( ImVec2 ( c . x , a . y ) , uv , col_upr_right ) ;
PrimWriteVtx ( c , uv , col_bot_right ) ;
PrimWriteVtx ( ImVec2 ( a . x , c . y ) , uv , col_bot_left ) ;
}
void ImDrawList : : AddTriangleFilled ( const ImVec2 & a , const ImVec2 & b , const ImVec2 & c , ImU32 col )
{
if ( ( col > > 24 ) = = 0 )
return ;
PathLineTo ( a ) ;
PathLineTo ( b ) ;
PathLineTo ( c ) ;
PathFill ( col ) ;
}
void ImDrawList : : AddCircle ( const ImVec2 & centre , float radius , ImU32 col , int num_segments )
{
if ( ( col > > 24 ) = = 0 )
return ;
const float a_max = IM_PI * 2.0f * ( ( float ) num_segments - 1.0f ) / ( float ) num_segments ;
PathArcTo ( centre , radius , 0.0f , a_max , num_segments ) ;
PathStroke ( col , true ) ;
}
void ImDrawList : : AddCircleFilled ( const ImVec2 & centre , float radius , ImU32 col , int num_segments )
{
if ( ( col > > 24 ) = = 0 )
return ;
const float a_max = IM_PI * 2.0f * ( ( float ) num_segments - 1.0f ) / ( float ) num_segments ;
PathArcTo ( centre , radius , 0.0f , a_max , num_segments ) ;
PathFill ( col ) ;
}
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void ImDrawList : : AddBezierCurve ( const ImVec2 & pos0 , const ImVec2 & cp0 , const ImVec2 & cp1 , const ImVec2 & pos1 , ImU32 col , float thickness , int num_segments )
{
if ( ( col > > 24 ) = = 0 )
return ;
PathLineTo ( pos0 ) ;
PathBezierCurveTo ( cp0 , cp1 , pos1 , num_segments ) ;
PathStroke ( col , false , thickness ) ;
}
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void ImDrawList : : AddText ( const ImFont * font , float font_size , const ImVec2 & pos , ImU32 col , const char * text_begin , const char * text_end , float wrap_width , const ImVec4 * cpu_fine_clip_rect )
{
if ( ( col > > 24 ) = = 0 )
return ;
if ( text_end = = NULL )
text_end = text_begin + strlen ( text_begin ) ;
if ( text_begin = = text_end )
return ;
IM_ASSERT ( font - > ContainerAtlas - > TexID = = _TextureIdStack . back ( ) ) ; // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
// reserve vertices for worse case
const int char_count = ( int ) ( text_end - text_begin ) ;
const int vtx_count_max = char_count * 4 ;
const int idx_count_max = char_count * 6 ;
const int vtx_begin = VtxBuffer . Size ;
const int idx_begin = IdxBuffer . Size ;
PrimReserve ( idx_count_max , vtx_count_max ) ;
ImVec4 clip_rect = _ClipRectStack . back ( ) ;
if ( cpu_fine_clip_rect )
{
clip_rect . x = ImMax ( clip_rect . x , cpu_fine_clip_rect - > x ) ;
clip_rect . y = ImMax ( clip_rect . y , cpu_fine_clip_rect - > y ) ;
clip_rect . z = ImMin ( clip_rect . z , cpu_fine_clip_rect - > z ) ;
clip_rect . w = ImMin ( clip_rect . w , cpu_fine_clip_rect - > w ) ;
}
font - > RenderText ( font_size , pos , col , clip_rect , text_begin , text_end , this , wrap_width , cpu_fine_clip_rect ! = NULL ) ;
// give back unused vertices
// FIXME-OPT
VtxBuffer . resize ( ( int ) ( _VtxWritePtr - VtxBuffer . Data ) ) ;
IdxBuffer . resize ( ( int ) ( _IdxWritePtr - IdxBuffer . Data ) ) ;
int vtx_unused = vtx_count_max - ( VtxBuffer . Size - vtx_begin ) ;
int idx_unused = idx_count_max - ( IdxBuffer . Size - idx_begin ) ;
CmdBuffer . back ( ) . ElemCount - = idx_unused ;
_VtxWritePtr - = vtx_unused ;
_IdxWritePtr - = idx_unused ;
_VtxCurrentIdx = ( ImDrawIdx ) VtxBuffer . Size ;
}
// This is one of the few function breaking the encapsulation of ImDrawLst, but it is just so useful.
void ImDrawList : : AddText ( const ImVec2 & pos , ImU32 col , const char * text_begin , const char * text_end )
{
if ( ( col > > 24 ) = = 0 )
return ;
AddText ( ImGui : : GetWindowFont ( ) , ImGui : : GetWindowFontSize ( ) , pos , col , text_begin , text_end ) ;
}
void ImDrawList : : AddImage ( ImTextureID user_texture_id , const ImVec2 & a , const ImVec2 & b , const ImVec2 & uv0 , const ImVec2 & uv1 , ImU32 col )
{
if ( ( col > > 24 ) = = 0 )
return ;
// FIXME-OPT: This is wasting draw calls.
const bool push_texture_id = _TextureIdStack . empty ( ) | | user_texture_id ! = _TextureIdStack . back ( ) ;
if ( push_texture_id )
PushTextureID ( user_texture_id ) ;
PrimReserve ( 6 , 4 ) ;
PrimRectUV ( a , b , uv0 , uv1 , col ) ;
if ( push_texture_id )
PopTextureID ( ) ;
}
//-----------------------------------------------------------------------------
// ImDrawData
//-----------------------------------------------------------------------------
// For backward compatibility: convert all buffers from indexed to de-indexed, in case you cannot render indexed. Note: this is slow and most likely a waste of resources. Always prefer indexed rendering!
void ImDrawData : : DeIndexAllBuffers ( )
{
ImVector < ImDrawVert > new_vtx_buffer ;
TotalVtxCount = TotalIdxCount = 0 ;
for ( int i = 0 ; i < CmdListsCount ; i + + )
{
ImDrawList * cmd_list = CmdLists [ i ] ;
if ( cmd_list - > IdxBuffer . empty ( ) )
continue ;
new_vtx_buffer . resize ( cmd_list - > IdxBuffer . Size ) ;
for ( int j = 0 ; j < cmd_list - > IdxBuffer . Size ; j + + )
new_vtx_buffer [ j ] = cmd_list - > VtxBuffer [ cmd_list - > IdxBuffer [ j ] ] ;
cmd_list - > VtxBuffer . swap ( new_vtx_buffer ) ;
cmd_list - > IdxBuffer . resize ( 0 ) ;
TotalVtxCount + = cmd_list - > VtxBuffer . Size ;
}
}
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// Helper to scale the ClipRect field of each ImDrawCmd. Use if your final output buffer is at a different scale than ImGui expects, or if there is a difference between your window resolution and framebuffer resolution.
void ImDrawData : : ScaleClipRects ( const ImVec2 & scale )
{
for ( int i = 0 ; i < CmdListsCount ; i + + )
{
ImDrawList * cmd_list = CmdLists [ i ] ;
for ( int cmd_i = 0 ; cmd_i < cmd_list - > CmdBuffer . Size ; cmd_i + + )
{
ImDrawCmd * cmd = & cmd_list - > CmdBuffer [ cmd_i ] ;
cmd - > ClipRect = ImVec4 ( cmd - > ClipRect . x * scale . x , cmd - > ClipRect . y * scale . y , cmd - > ClipRect . z * scale . x , cmd - > ClipRect . w * scale . y ) ;
}
}
}
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//-----------------------------------------------------------------------------
// ImFontAtlias
//-----------------------------------------------------------------------------
ImFontConfig : : ImFontConfig ( )
{
FontData = NULL ;
FontDataSize = 0 ;
FontDataOwnedByAtlas = true ;
FontNo = 0 ;
SizePixels = 0.0f ;
OversampleH = 3 ;
OversampleV = 1 ;
PixelSnapH = false ;
GlyphExtraSpacing = ImVec2 ( 0.0f , 0.0f ) ;
GlyphRanges = NULL ;
MergeMode = false ;
MergeGlyphCenterV = false ;
DstFont = NULL ;
memset ( Name , 0 , sizeof ( Name ) ) ;
}
ImFontAtlas : : ImFontAtlas ( )
{
TexID = NULL ;
TexPixelsAlpha8 = NULL ;
TexPixelsRGBA32 = NULL ;
TexWidth = TexHeight = 0 ;
TexUvWhitePixel = ImVec2 ( 0 , 0 ) ;
}
ImFontAtlas : : ~ ImFontAtlas ( )
{
Clear ( ) ;
}
void ImFontAtlas : : ClearInputData ( )
{
for ( int i = 0 ; i < ConfigData . Size ; i + + )
if ( ConfigData [ i ] . FontData & & ConfigData [ i ] . FontDataOwnedByAtlas )
{
ImGui : : MemFree ( ConfigData [ i ] . FontData ) ;
ConfigData [ i ] . FontData = NULL ;
}
// When clearing this we lose access to the font name and other information used to build the font.
for ( int i = 0 ; i < Fonts . Size ; i + + )
if ( Fonts [ i ] - > ConfigData > = ConfigData . Data & & Fonts [ i ] - > ConfigData < ConfigData . Data + ConfigData . Size )
{
Fonts [ i ] - > ConfigData = NULL ;
Fonts [ i ] - > ConfigDataCount = 0 ;
}
ConfigData . clear ( ) ;
}
void ImFontAtlas : : ClearTexData ( )
{
if ( TexPixelsAlpha8 )
ImGui : : MemFree ( TexPixelsAlpha8 ) ;
if ( TexPixelsRGBA32 )
ImGui : : MemFree ( TexPixelsRGBA32 ) ;
TexPixelsAlpha8 = NULL ;
TexPixelsRGBA32 = NULL ;
}
void ImFontAtlas : : ClearFonts ( )
{
for ( int i = 0 ; i < Fonts . Size ; i + + )
{
Fonts [ i ] - > ~ ImFont ( ) ;
ImGui : : MemFree ( Fonts [ i ] ) ;
}
Fonts . clear ( ) ;
}
void ImFontAtlas : : Clear ( )
{
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ClearInputData ( ) ;
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ClearTexData ( ) ;
ClearFonts ( ) ;
}
void ImFontAtlas : : GetTexDataAsAlpha8 ( unsigned char * * out_pixels , int * out_width , int * out_height , int * out_bytes_per_pixel )
{
// Lazily build
if ( TexPixelsAlpha8 = = NULL )
{
if ( ConfigData . empty ( ) )
AddFontDefault ( ) ;
Build ( ) ;
}
* out_pixels = TexPixelsAlpha8 ;
if ( out_width ) * out_width = TexWidth ;
if ( out_height ) * out_height = TexHeight ;
if ( out_bytes_per_pixel ) * out_bytes_per_pixel = 1 ;
}
void ImFontAtlas : : GetTexDataAsRGBA32 ( unsigned char * * out_pixels , int * out_width , int * out_height , int * out_bytes_per_pixel )
{
// Lazily convert to RGBA32 format
// Although it is likely to be the most commonly used format, our font rendering is 8 bpp
if ( ! TexPixelsRGBA32 )
{
unsigned char * pixels ;
GetTexDataAsAlpha8 ( & pixels , NULL , NULL ) ;
TexPixelsRGBA32 = ( unsigned int * ) ImGui : : MemAlloc ( ( size_t ) ( TexWidth * TexHeight * 4 ) ) ;
const unsigned char * src = pixels ;
unsigned int * dst = TexPixelsRGBA32 ;
for ( int n = TexWidth * TexHeight ; n > 0 ; n - - )
* dst + + = ( ( unsigned int ) ( * src + + ) < < 24 ) | 0x00FFFFFF ;
}
* out_pixels = ( unsigned char * ) TexPixelsRGBA32 ;
if ( out_width ) * out_width = TexWidth ;
if ( out_height ) * out_height = TexHeight ;
if ( out_bytes_per_pixel ) * out_bytes_per_pixel = 4 ;
}
ImFont * ImFontAtlas : : AddFont ( const ImFontConfig * font_cfg )
{
IM_ASSERT ( font_cfg - > FontData ! = NULL & & font_cfg - > FontDataSize > 0 ) ;
IM_ASSERT ( font_cfg - > SizePixels > 0.0f ) ;
// Create new font
if ( ! font_cfg - > MergeMode )
{
ImFont * font = ( ImFont * ) ImGui : : MemAlloc ( sizeof ( ImFont ) ) ;
new ( font ) ImFont ( ) ;
Fonts . push_back ( font ) ;
}
ConfigData . push_back ( * font_cfg ) ;
ImFontConfig & new_font_cfg = ConfigData . back ( ) ;
new_font_cfg . DstFont = Fonts . back ( ) ;
if ( ! new_font_cfg . FontDataOwnedByAtlas )
{
new_font_cfg . FontData = ImGui : : MemAlloc ( new_font_cfg . FontDataSize ) ;
new_font_cfg . FontDataOwnedByAtlas = true ;
memcpy ( new_font_cfg . FontData , font_cfg - > FontData , ( size_t ) new_font_cfg . FontDataSize ) ;
}
// Invalidate texture
ClearTexData ( ) ;
return Fonts . back ( ) ;
}
// Default font ttf is compressed with stb_compress then base85 encoded (see extra_fonts/binary_to_compressed_c.cpp for encoder)
static unsigned int stb_decompress_length ( unsigned char * input ) ;
static unsigned int stb_decompress ( unsigned char * output , unsigned char * i , unsigned int length ) ;
static const char * GetDefaultCompressedFontDataTTFBase85 ( ) ;
static unsigned int Decode85Byte ( char c ) { return c > = ' \\ ' ? c - 36 : c - 35 ; }
static void Decode85 ( const unsigned char * src , unsigned int * dst ) { for ( ; * src ; src + = 5 ) * dst + + = Decode85Byte ( src [ 0 ] ) + 85 * ( Decode85Byte ( src [ 1 ] ) + 85 * ( Decode85Byte ( src [ 2 ] ) + 85 * ( Decode85Byte ( src [ 3 ] ) + 85 * Decode85Byte ( src [ 4 ] ) ) ) ) ; }
// Load embedded ProggyClean.ttf at size 13
ImFont * ImFontAtlas : : AddFontDefault ( const ImFontConfig * font_cfg_template )
{
ImFontConfig font_cfg = font_cfg_template ? * font_cfg_template : ImFontConfig ( ) ;
if ( ! font_cfg_template )
{
font_cfg . OversampleH = font_cfg . OversampleV = 1 ;
font_cfg . PixelSnapH = true ;
}
if ( font_cfg . Name [ 0 ] = = ' \0 ' ) strcpy ( font_cfg . Name , " <default> " ) ;
const char * ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85 ( ) ;
ImFont * font = AddFontFromMemoryCompressedBase85TTF ( ttf_compressed_base85 , 13.0f , & font_cfg , GetGlyphRangesDefault ( ) ) ;
return font ;
}
ImFont * ImFontAtlas : : AddFontFromFileTTF ( const char * filename , float size_pixels , const ImFontConfig * font_cfg_template , const ImWchar * glyph_ranges )
{
void * data = NULL ;
int data_size = 0 ;
if ( ! ImLoadFileToMemory ( filename , " rb " , ( void * * ) & data , & data_size , 0 ) )
{
IM_ASSERT ( 0 ) ; // Could not load file.
return NULL ;
}
ImFontConfig font_cfg = font_cfg_template ? * font_cfg_template : ImFontConfig ( ) ;
if ( font_cfg . Name [ 0 ] = = ' \0 ' )
{
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const char * p ;
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for ( p = filename + strlen ( filename ) ; p > filename & & p [ - 1 ] ! = ' / ' & & p [ - 1 ] ! = ' \\ ' ; p - - ) { }
snprintf ( font_cfg . Name , IM_ARRAYSIZE ( font_cfg . Name ) , " %s " , p ) ;
}
return AddFontFromMemoryTTF ( data , data_size , size_pixels , & font_cfg , glyph_ranges ) ;
}
// Transfer ownership of 'ttf_data' to ImFontAtlas, will be deleted after Build()
ImFont * ImFontAtlas : : AddFontFromMemoryTTF ( void * ttf_data , int ttf_size , float size_pixels , const ImFontConfig * font_cfg_template , const ImWchar * glyph_ranges )
{
ImFontConfig font_cfg = font_cfg_template ? * font_cfg_template : ImFontConfig ( ) ;
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IM_ASSERT ( font_cfg . FontData = = NULL ) ;
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font_cfg . FontData = ttf_data ;
font_cfg . FontDataSize = ttf_size ;
font_cfg . SizePixels = size_pixels ;
if ( glyph_ranges )
font_cfg . GlyphRanges = glyph_ranges ;
return AddFont ( & font_cfg ) ;
}
ImFont * ImFontAtlas : : AddFontFromMemoryCompressedTTF ( const void * compressed_ttf_data , int compressed_ttf_size , float size_pixels , const ImFontConfig * font_cfg_template , const ImWchar * glyph_ranges )
{
const unsigned int buf_decompressed_size = stb_decompress_length ( ( unsigned char * ) compressed_ttf_data ) ;
unsigned char * buf_decompressed_data = ( unsigned char * ) ImGui : : MemAlloc ( buf_decompressed_size ) ;
stb_decompress ( buf_decompressed_data , ( unsigned char * ) compressed_ttf_data , ( unsigned int ) compressed_ttf_size ) ;
ImFontConfig font_cfg = font_cfg_template ? * font_cfg_template : ImFontConfig ( ) ;
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IM_ASSERT ( font_cfg . FontData = = NULL ) ;
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font_cfg . FontDataOwnedByAtlas = true ;
return AddFontFromMemoryTTF ( buf_decompressed_data , ( int ) buf_decompressed_size , size_pixels , font_cfg_template , glyph_ranges ) ;
}
ImFont * ImFontAtlas : : AddFontFromMemoryCompressedBase85TTF ( const char * compressed_ttf_data_base85 , float size_pixels , const ImFontConfig * font_cfg , const ImWchar * glyph_ranges )
{
int compressed_ttf_size = ( ( ( int ) strlen ( compressed_ttf_data_base85 ) + 4 ) / 5 ) * 4 ;
void * compressed_ttf = ImGui : : MemAlloc ( compressed_ttf_size ) ;
Decode85 ( ( const unsigned char * ) compressed_ttf_data_base85 , ( unsigned int * ) compressed_ttf ) ;
ImFont * font = AddFontFromMemoryCompressedTTF ( compressed_ttf , compressed_ttf_size , size_pixels , font_cfg , glyph_ranges ) ;
ImGui : : MemFree ( compressed_ttf ) ;
return font ;
}
bool ImFontAtlas : : Build ( )
{
IM_ASSERT ( ConfigData . Size > 0 ) ;
TexID = NULL ;
TexWidth = TexHeight = 0 ;
TexUvWhitePixel = ImVec2 ( 0 , 0 ) ;
ClearTexData ( ) ;
struct ImFontTempBuildData
{
stbtt_fontinfo FontInfo ;
stbrp_rect * Rects ;
stbtt_pack_range * Ranges ;
int RangesCount ;
} ;
ImFontTempBuildData * tmp_array = ( ImFontTempBuildData * ) ImGui : : MemAlloc ( ( size_t ) ConfigData . Size * sizeof ( ImFontTempBuildData ) ) ;
// Initialize font information early (so we can error without any cleanup) + count glyphs
int total_glyph_count = 0 ;
int total_glyph_range_count = 0 ;
for ( int input_i = 0 ; input_i < ConfigData . Size ; input_i + + )
{
ImFontConfig & cfg = ConfigData [ input_i ] ;
ImFontTempBuildData & tmp = tmp_array [ input_i ] ;
IM_ASSERT ( cfg . DstFont & & ( ! cfg . DstFont - > IsLoaded ( ) | | cfg . DstFont - > ContainerAtlas = = this ) ) ;
const int font_offset = stbtt_GetFontOffsetForIndex ( ( unsigned char * ) cfg . FontData , cfg . FontNo ) ;
IM_ASSERT ( font_offset > = 0 ) ;
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if ( ! stbtt_InitFont ( & tmp . FontInfo , ( unsigned char * ) cfg . FontData , font_offset ) )
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return false ;
if ( ! cfg . GlyphRanges )
cfg . GlyphRanges = GetGlyphRangesDefault ( ) ;
for ( const ImWchar * in_range = cfg . GlyphRanges ; in_range [ 0 ] & & in_range [ 1 ] ; in_range + = 2 )
{
total_glyph_count + = ( in_range [ 1 ] - in_range [ 0 ] ) + 1 ;
total_glyph_range_count + + ;
}
}
// Start packing
TexWidth = ( total_glyph_count > 1000 ) ? 1024 : 512 ; // Width doesn't actually matters.
TexHeight = 0 ;
const int max_tex_height = 1024 * 32 ;
stbtt_pack_context spc ;
stbtt_PackBegin ( & spc , NULL , TexWidth , max_tex_height , 0 , 1 , NULL ) ;
// Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
ImVector < stbrp_rect > extra_rects ;
RenderCustomTexData ( 0 , & extra_rects ) ;
stbtt_PackSetOversampling ( & spc , 1 , 1 ) ;
stbrp_pack_rects ( ( stbrp_context * ) spc . pack_info , & extra_rects [ 0 ] , extra_rects . Size ) ;
for ( int i = 0 ; i < extra_rects . Size ; i + + )
if ( extra_rects [ i ] . was_packed )
TexHeight = ImMax ( TexHeight , extra_rects [ i ] . y + extra_rects [ i ] . h ) ;
// Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
int buf_packedchars_n = 0 , buf_rects_n = 0 , buf_ranges_n = 0 ;
stbtt_packedchar * buf_packedchars = ( stbtt_packedchar * ) ImGui : : MemAlloc ( total_glyph_count * sizeof ( stbtt_packedchar ) ) ;
stbrp_rect * buf_rects = ( stbrp_rect * ) ImGui : : MemAlloc ( total_glyph_count * sizeof ( stbrp_rect ) ) ;
stbtt_pack_range * buf_ranges = ( stbtt_pack_range * ) ImGui : : MemAlloc ( total_glyph_range_count * sizeof ( stbtt_pack_range ) ) ;
memset ( buf_packedchars , 0 , total_glyph_count * sizeof ( stbtt_packedchar ) ) ;
memset ( buf_rects , 0 , total_glyph_count * sizeof ( stbrp_rect ) ) ; // Unnecessary but let's clear this for the sake of sanity.
memset ( buf_ranges , 0 , total_glyph_range_count * sizeof ( stbtt_pack_range ) ) ;
// First font pass: pack all glyphs (no rendering at this point, we are working with glyph sizes only)
for ( int input_i = 0 ; input_i < ConfigData . Size ; input_i + + )
{
ImFontConfig & cfg = ConfigData [ input_i ] ;
ImFontTempBuildData & tmp = tmp_array [ input_i ] ;
// Setup ranges
int glyph_count = 0 ;
int glyph_ranges_count = 0 ;
for ( const ImWchar * in_range = cfg . GlyphRanges ; in_range [ 0 ] & & in_range [ 1 ] ; in_range + = 2 )
{
glyph_count + = ( in_range [ 1 ] - in_range [ 0 ] ) + 1 ;
glyph_ranges_count + + ;
}
tmp . Ranges = buf_ranges + buf_ranges_n ;
tmp . RangesCount = glyph_ranges_count ;
buf_ranges_n + = glyph_ranges_count ;
for ( int i = 0 ; i < glyph_ranges_count ; i + + )
{
const ImWchar * in_range = & cfg . GlyphRanges [ i * 2 ] ;
stbtt_pack_range & range = tmp . Ranges [ i ] ;
range . font_size = cfg . SizePixels ;
range . first_unicode_codepoint_in_range = in_range [ 0 ] ;
range . num_chars = ( in_range [ 1 ] - in_range [ 0 ] ) + 1 ;
range . chardata_for_range = buf_packedchars + buf_packedchars_n ;
buf_packedchars_n + = range . num_chars ;
}
// Pack
tmp . Rects = buf_rects + buf_rects_n ;
buf_rects_n + = glyph_count ;
stbtt_PackSetOversampling ( & spc , cfg . OversampleH , cfg . OversampleV ) ;
int n = stbtt_PackFontRangesGatherRects ( & spc , & tmp . FontInfo , tmp . Ranges , tmp . RangesCount , tmp . Rects ) ;
stbrp_pack_rects ( ( stbrp_context * ) spc . pack_info , tmp . Rects , n ) ;
// Extend texture height
for ( int i = 0 ; i < n ; i + + )
if ( tmp . Rects [ i ] . was_packed )
TexHeight = ImMax ( TexHeight , tmp . Rects [ i ] . y + tmp . Rects [ i ] . h ) ;
}
IM_ASSERT ( buf_rects_n = = total_glyph_count ) ;
IM_ASSERT ( buf_packedchars_n = = total_glyph_count ) ;
IM_ASSERT ( buf_ranges_n = = total_glyph_range_count ) ;
// Create texture
TexHeight = ImUpperPowerOfTwo ( TexHeight ) ;
TexPixelsAlpha8 = ( unsigned char * ) ImGui : : MemAlloc ( TexWidth * TexHeight ) ;
memset ( TexPixelsAlpha8 , 0 , TexWidth * TexHeight ) ;
spc . pixels = TexPixelsAlpha8 ;
spc . height = TexHeight ;
// Second pass: render characters
for ( int input_i = 0 ; input_i < ConfigData . Size ; input_i + + )
{
ImFontConfig & cfg = ConfigData [ input_i ] ;
ImFontTempBuildData & tmp = tmp_array [ input_i ] ;
stbtt_PackSetOversampling ( & spc , cfg . OversampleH , cfg . OversampleV ) ;
stbtt_PackFontRangesRenderIntoRects ( & spc , & tmp . FontInfo , tmp . Ranges , tmp . RangesCount , tmp . Rects ) ;
tmp . Rects = NULL ;
}
// End packing
stbtt_PackEnd ( & spc ) ;
ImGui : : MemFree ( buf_rects ) ;
buf_rects = NULL ;
// Third pass: setup ImFont and glyphs for runtime
for ( int input_i = 0 ; input_i < ConfigData . Size ; input_i + + )
{
ImFontConfig & cfg = ConfigData [ input_i ] ;
ImFontTempBuildData & tmp = tmp_array [ input_i ] ;
ImFont * dst_font = cfg . DstFont ;
float font_scale = stbtt_ScaleForPixelHeight ( & tmp . FontInfo , cfg . SizePixels ) ;
int unscaled_ascent , unscaled_descent , unscaled_line_gap ;
stbtt_GetFontVMetrics ( & tmp . FontInfo , & unscaled_ascent , & unscaled_descent , & unscaled_line_gap ) ;
float ascent = unscaled_ascent * font_scale ;
float descent = unscaled_descent * font_scale ;
if ( ! cfg . MergeMode )
{
dst_font - > ContainerAtlas = this ;
dst_font - > ConfigData = & cfg ;
dst_font - > ConfigDataCount = 0 ;
dst_font - > FontSize = cfg . SizePixels ;
dst_font - > Ascent = ascent ;
dst_font - > Descent = descent ;
dst_font - > Glyphs . resize ( 0 ) ;
}
dst_font - > ConfigDataCount + + ;
float off_y = ( cfg . MergeMode & & cfg . MergeGlyphCenterV ) ? ( ascent - dst_font - > Ascent ) * 0.5f : 0.0f ;
dst_font - > FallbackGlyph = NULL ; // Always clear fallback so FindGlyph can return NULL. It will be set again in BuildLookupTable()
for ( int i = 0 ; i < tmp . RangesCount ; i + + )
{
stbtt_pack_range & range = tmp . Ranges [ i ] ;
for ( int char_idx = 0 ; char_idx < range . num_chars ; char_idx + = 1 )
{
const stbtt_packedchar & pc = range . chardata_for_range [ char_idx ] ;
if ( ! pc . x0 & & ! pc . x1 & & ! pc . y0 & & ! pc . y1 )
continue ;
const int codepoint = range . first_unicode_codepoint_in_range + char_idx ;
if ( cfg . MergeMode & & dst_font - > FindGlyph ( ( unsigned short ) codepoint ) )
continue ;
stbtt_aligned_quad q ;
float dummy_x = 0.0f , dummy_y = 0.0f ;
stbtt_GetPackedQuad ( range . chardata_for_range , TexWidth , TexHeight , char_idx , & dummy_x , & dummy_y , & q , 0 ) ;
dst_font - > Glyphs . resize ( dst_font - > Glyphs . Size + 1 ) ;
ImFont : : Glyph & glyph = dst_font - > Glyphs . back ( ) ;
glyph . Codepoint = ( ImWchar ) codepoint ;
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glyph . X0 = q . x0 ; glyph . Y0 = q . y0 ; glyph . X1 = q . x1 ; glyph . Y1 = q . y1 ;
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glyph . U0 = q . s0 ; glyph . V0 = q . t0 ; glyph . U1 = q . s1 ; glyph . V1 = q . t1 ;
glyph . Y0 + = ( float ) ( int ) ( dst_font - > Ascent + off_y + 0.5f ) ;
glyph . Y1 + = ( float ) ( int ) ( dst_font - > Ascent + off_y + 0.5f ) ;
glyph . XAdvance = ( pc . xadvance + cfg . GlyphExtraSpacing . x ) ; // Bake spacing into XAdvance
if ( cfg . PixelSnapH )
glyph . XAdvance = ( float ) ( int ) ( glyph . XAdvance + 0.5f ) ;
}
}
cfg . DstFont - > BuildLookupTable ( ) ;
}
// Cleanup temporaries
ImGui : : MemFree ( buf_packedchars ) ;
ImGui : : MemFree ( buf_ranges ) ;
ImGui : : MemFree ( tmp_array ) ;
// Render into our custom data block
RenderCustomTexData ( 1 , & extra_rects ) ;
return true ;
}
void ImFontAtlas : : RenderCustomTexData ( int pass , void * p_rects )
{
// . = white layer, X = black layer, others are blank
const int TEX_DATA_W = 90 ;
const int TEX_DATA_H = 27 ;
const char texture_data [ TEX_DATA_W * TEX_DATA_H + 1 ] =
{
" ..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX "
" ..- -X.....X- X.X - X.X -X.....X - X.....X "
" --- -XXX.XXX- X...X - X...X -X....X - X....X "
" X - X.X - X.....X - X.....X -X...X - X...X "
" XX - X.X -X.......X- X.......X -X..X.X - X.X..X "
" X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X "
" X..X - X.X - X.X - X.X -XX X.X - X.X XX "
" X...X - X.X - X.X - XX X.X XX - X.X - X.X "
" X....X - X.X - X.X - X.X X.X X.X - X.X - X.X "
" X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X "
" X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X "
" X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X "
" X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X "
" X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X "
" X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X "
" X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X "
" X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX "
" X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------ "
" X.X X..X - -X.......X- X.......X - XX XX - "
" XX X..X - - X.....X - X.....X - X.X X.X - "
" X..X - X...X - X...X - X..X X..X - "
" XX - X.X - X.X - X...XXXXXXXXXXXXX...X - "
" ------------ - X - X -X.....................X- "
" ----------------------------------- X...XXXXXXXXXXXXX...X - "
" - X..X X..X - "
" - X.X X.X - "
" - XX XX - "
} ;
ImVector < stbrp_rect > & rects = * ( ImVector < stbrp_rect > * ) p_rects ;
if ( pass = = 0 )
{
stbrp_rect r ;
memset ( & r , 0 , sizeof ( r ) ) ;
r . w = ( TEX_DATA_W * 2 ) + 1 ;
r . h = TEX_DATA_H + 1 ;
rects . push_back ( r ) ;
}
else if ( pass = = 1 )
{
// Copy pixels
const stbrp_rect & r = rects [ 0 ] ;
for ( int y = 0 , n = 0 ; y < TEX_DATA_H ; y + + )
for ( int x = 0 ; x < TEX_DATA_W ; x + + , n + + )
{
const int offset0 = ( int ) ( r . x + x ) + ( int ) ( r . y + y ) * TexWidth ;
const int offset1 = offset0 + 1 + TEX_DATA_W ;
TexPixelsAlpha8 [ offset0 ] = texture_data [ n ] = = ' . ' ? 0xFF : 0x00 ;
TexPixelsAlpha8 [ offset1 ] = texture_data [ n ] = = ' X ' ? 0xFF : 0x00 ;
}
const ImVec2 tex_uv_scale ( 1.0f / TexWidth , 1.0f / TexHeight ) ;
TexUvWhitePixel = ImVec2 ( ( r . x + 0.5f ) * tex_uv_scale . x , ( r . y + 0.5f ) * tex_uv_scale . y ) ;
const ImVec2 cursor_datas [ ImGuiMouseCursor_Count_ ] [ 3 ] =
{
// Pos ........ Size ......... Offset ......
{ ImVec2 ( 0 , 3 ) , ImVec2 ( 12 , 19 ) , ImVec2 ( 0 , 0 ) } , // ImGuiMouseCursor_Arrow
{ ImVec2 ( 13 , 0 ) , ImVec2 ( 7 , 16 ) , ImVec2 ( 4 , 8 ) } , // ImGuiMouseCursor_TextInput
{ ImVec2 ( 31 , 0 ) , ImVec2 ( 23 , 23 ) , ImVec2 ( 11 , 11 ) } , // ImGuiMouseCursor_Move
{ ImVec2 ( 21 , 0 ) , ImVec2 ( 9 , 23 ) , ImVec2 ( 5 , 11 ) } , // ImGuiMouseCursor_ResizeNS
{ ImVec2 ( 55 , 18 ) , ImVec2 ( 23 , 9 ) , ImVec2 ( 11 , 5 ) } , // ImGuiMouseCursor_ResizeEW
{ ImVec2 ( 73 , 0 ) , ImVec2 ( 17 , 17 ) , ImVec2 ( 9 , 9 ) } , // ImGuiMouseCursor_ResizeNESW
{ ImVec2 ( 55 , 0 ) , ImVec2 ( 17 , 17 ) , ImVec2 ( 9 , 9 ) } , // ImGuiMouseCursor_ResizeNWSE
} ;
for ( int type = 0 ; type < ImGuiMouseCursor_Count_ ; type + + )
{
ImGuiMouseCursorData & cursor_data = GImGui - > MouseCursorData [ type ] ;
ImVec2 pos = cursor_datas [ type ] [ 0 ] + ImVec2 ( ( float ) r . x , ( float ) r . y ) ;
const ImVec2 size = cursor_datas [ type ] [ 1 ] ;
cursor_data . Type = type ;
cursor_data . Size = size ;
cursor_data . HotOffset = cursor_datas [ type ] [ 2 ] ;
cursor_data . TexUvMin [ 0 ] = ( pos ) * tex_uv_scale ;
cursor_data . TexUvMax [ 0 ] = ( pos + size ) * tex_uv_scale ;
pos . x + = TEX_DATA_W + 1 ;
cursor_data . TexUvMin [ 1 ] = ( pos ) * tex_uv_scale ;
cursor_data . TexUvMax [ 1 ] = ( pos + size ) * tex_uv_scale ;
}
}
}
// Retrieve list of range (2 int per range, values are inclusive)
const ImWchar * ImFontAtlas : : GetGlyphRangesDefault ( )
{
static const ImWchar ranges [ ] =
{
0x0020 , 0x00FF , // Basic Latin + Latin Supplement
0 ,
} ;
return & ranges [ 0 ] ;
}
const ImWchar * ImFontAtlas : : GetGlyphRangesChinese ( )
{
static const ImWchar ranges [ ] =
{
0x0020 , 0x00FF , // Basic Latin + Latin Supplement
0x3000 , 0x30FF , // Punctuations, Hiragana, Katakana
0x31F0 , 0x31FF , // Katakana Phonetic Extensions
0xFF00 , 0xFFEF , // Half-width characters
0x4e00 , 0x9FAF , // CJK Ideograms
0 ,
} ;
return & ranges [ 0 ] ;
}
const ImWchar * ImFontAtlas : : GetGlyphRangesJapanese ( )
{
// Store the 1946 ideograms code points as successive offsets from the initial unicode codepoint 0x4E00. Each offset has an implicit +1.
// This encoding helps us reduce the source code size.
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static const short offsets_from_0x4E00 [ ] =
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{
- 1 , 0 , 1 , 3 , 0 , 0 , 0 , 0 , 1 , 0 , 5 , 1 , 1 , 0 , 7 , 4 , 6 , 10 , 0 , 1 , 9 , 9 , 7 , 1 , 3 , 19 , 1 , 10 , 7 , 1 , 0 , 1 , 0 , 5 , 1 , 0 , 6 , 4 , 2 , 6 , 0 , 0 , 12 , 6 , 8 , 0 , 3 , 5 , 0 , 1 , 0 , 9 , 0 , 0 , 8 , 1 , 1 , 3 , 4 , 5 , 13 , 0 , 0 , 8 , 2 , 17 ,
4 , 3 , 1 , 1 , 9 , 6 , 0 , 0 , 0 , 2 , 1 , 3 , 2 , 22 , 1 , 9 , 11 , 1 , 13 , 1 , 3 , 12 , 0 , 5 , 9 , 2 , 0 , 6 , 12 , 5 , 3 , 12 , 4 , 1 , 2 , 16 , 1 , 1 , 4 , 6 , 5 , 3 , 0 , 6 , 13 , 15 , 5 , 12 , 8 , 14 , 0 , 0 , 6 , 15 , 3 , 6 , 0 , 18 , 8 , 1 , 6 , 14 , 1 ,
5 , 4 , 12 , 24 , 3 , 13 , 12 , 10 , 24 , 0 , 0 , 0 , 1 , 0 , 1 , 1 , 2 , 9 , 10 , 2 , 2 , 0 , 0 , 3 , 3 , 1 , 0 , 3 , 8 , 0 , 3 , 2 , 4 , 4 , 1 , 6 , 11 , 10 , 14 , 6 , 15 , 3 , 4 , 15 , 1 , 0 , 0 , 5 , 2 , 2 , 0 , 0 , 1 , 6 , 5 , 5 , 6 , 0 , 3 , 6 , 5 , 0 , 0 , 1 , 0 ,
11 , 2 , 2 , 8 , 4 , 7 , 0 , 10 , 0 , 1 , 2 , 17 , 19 , 3 , 0 , 2 , 5 , 0 , 6 , 2 , 4 , 4 , 6 , 1 , 1 , 11 , 2 , 0 , 3 , 1 , 2 , 1 , 2 , 10 , 7 , 6 , 3 , 16 , 0 , 8 , 24 , 0 , 0 , 3 , 1 , 1 , 3 , 0 , 1 , 6 , 0 , 0 , 0 , 2 , 0 , 1 , 5 , 15 , 0 , 1 , 0 , 0 , 2 , 11 , 19 ,
1 , 4 , 19 , 7 , 6 , 5 , 1 , 0 , 0 , 0 , 0 , 5 , 1 , 0 , 1 , 9 , 0 , 0 , 5 , 0 , 2 , 0 , 1 , 0 , 3 , 0 , 11 , 3 , 0 , 2 , 0 , 0 , 0 , 0 , 0 , 9 , 3 , 6 , 4 , 12 , 0 , 14 , 0 , 0 , 29 , 10 , 8 , 0 , 14 , 37 , 13 , 0 , 31 , 16 , 19 , 0 , 8 , 30 , 1 , 20 , 8 , 3 , 48 ,
21 , 1 , 0 , 12 , 0 , 10 , 44 , 34 , 42 , 54 , 11 , 18 , 82 , 0 , 2 , 1 , 2 , 12 , 1 , 0 , 6 , 2 , 17 , 2 , 12 , 7 , 0 , 7 , 17 , 4 , 2 , 6 , 24 , 23 , 8 , 23 , 39 , 2 , 16 , 23 , 1 , 0 , 5 , 1 , 2 , 15 , 14 , 5 , 6 , 2 , 11 , 0 , 8 , 6 , 2 , 2 , 2 , 14 ,
20 , 4 , 15 , 3 , 4 , 11 , 10 , 10 , 2 , 5 , 2 , 1 , 30 , 2 , 1 , 0 , 0 , 22 , 5 , 5 , 0 , 3 , 1 , 5 , 4 , 1 , 0 , 0 , 2 , 2 , 21 , 1 , 5 , 1 , 2 , 16 , 2 , 1 , 3 , 4 , 0 , 8 , 4 , 0 , 0 , 5 , 14 , 11 , 2 , 16 , 1 , 13 , 1 , 7 , 0 , 22 , 15 , 3 , 1 , 22 , 7 , 14 ,
22 , 19 , 11 , 24 , 18 , 46 , 10 , 20 , 64 , 45 , 3 , 2 , 0 , 4 , 5 , 0 , 1 , 4 , 25 , 1 , 0 , 0 , 2 , 10 , 0 , 0 , 0 , 1 , 0 , 1 , 2 , 0 , 0 , 9 , 1 , 2 , 0 , 0 , 0 , 2 , 5 , 2 , 1 , 1 , 5 , 5 , 8 , 1 , 1 , 1 , 5 , 1 , 4 , 9 , 1 , 3 , 0 , 1 , 0 , 1 , 1 , 2 , 0 , 0 ,
2 , 0 , 1 , 8 , 22 , 8 , 1 , 0 , 0 , 0 , 0 , 4 , 2 , 1 , 0 , 9 , 8 , 5 , 0 , 9 , 1 , 30 , 24 , 2 , 6 , 4 , 39 , 0 , 14 , 5 , 16 , 6 , 26 , 179 , 0 , 2 , 1 , 1 , 0 , 0 , 0 , 5 , 2 , 9 , 6 , 0 , 2 , 5 , 16 , 7 , 5 , 1 , 1 , 0 , 2 , 4 , 4 , 7 , 15 , 13 , 14 , 0 , 0 ,
3 , 0 , 1 , 0 , 0 , 0 , 2 , 1 , 6 , 4 , 5 , 1 , 4 , 9 , 0 , 3 , 1 , 8 , 0 , 0 , 10 , 5 , 0 , 43 , 0 , 2 , 6 , 8 , 4 , 0 , 2 , 0 , 0 , 9 , 6 , 0 , 9 , 3 , 1 , 6 , 20 , 14 , 6 , 1 , 4 , 0 , 7 , 2 , 3 , 0 , 2 , 0 , 5 , 0 , 3 , 1 , 0 , 3 , 9 , 7 , 0 , 3 , 4 , 0 , 4 , 9 , 1 , 6 , 0 ,
9 , 0 , 0 , 2 , 3 , 10 , 9 , 28 , 3 , 6 , 2 , 4 , 1 , 2 , 32 , 4 , 1 , 18 , 2 , 0 , 3 , 1 , 5 , 30 , 10 , 0 , 2 , 2 , 2 , 0 , 7 , 9 , 8 , 11 , 10 , 11 , 7 , 2 , 13 , 7 , 5 , 10 , 0 , 3 , 40 , 2 , 0 , 1 , 6 , 12 , 0 , 4 , 5 , 1 , 5 , 11 , 11 , 21 , 4 , 8 , 3 , 7 ,
8 , 8 , 33 , 5 , 23 , 0 , 0 , 19 , 8 , 8 , 2 , 3 , 0 , 6 , 1 , 1 , 1 , 5 , 1 , 27 , 4 , 2 , 5 , 0 , 3 , 5 , 6 , 3 , 1 , 0 , 3 , 1 , 12 , 5 , 3 , 3 , 2 , 0 , 7 , 7 , 2 , 1 , 0 , 4 , 0 , 1 , 1 , 2 , 0 , 10 , 10 , 6 , 2 , 5 , 9 , 7 , 5 , 15 , 15 , 21 , 6 , 11 , 5 , 20 ,
4 , 3 , 5 , 5 , 2 , 5 , 0 , 2 , 1 , 0 , 1 , 7 , 28 , 0 , 9 , 0 , 5 , 12 , 5 , 5 , 18 , 30 , 0 , 12 , 3 , 3 , 21 , 16 , 25 , 32 , 9 , 3 , 14 , 11 , 24 , 5 , 66 , 9 , 1 , 2 , 0 , 5 , 9 , 1 , 5 , 1 , 8 , 0 , 8 , 3 , 3 , 0 , 1 , 15 , 1 , 4 , 8 , 1 , 2 , 7 , 0 , 7 , 2 ,
8 , 3 , 7 , 5 , 3 , 7 , 10 , 2 , 1 , 0 , 0 , 2 , 25 , 0 , 6 , 4 , 0 , 10 , 0 , 4 , 2 , 4 , 1 , 12 , 5 , 38 , 4 , 0 , 4 , 1 , 10 , 5 , 9 , 4 , 0 , 14 , 4 , 2 , 5 , 18 , 20 , 21 , 1 , 3 , 0 , 5 , 0 , 7 , 0 , 3 , 7 , 1 , 3 , 1 , 1 , 8 , 1 , 0 , 0 , 0 , 3 , 2 , 5 , 2 , 11 ,
6 , 0 , 13 , 1 , 3 , 9 , 1 , 12 , 0 , 16 , 6 , 2 , 1 , 0 , 2 , 1 , 12 , 6 , 13 , 11 , 2 , 0 , 28 , 1 , 7 , 8 , 14 , 13 , 8 , 13 , 0 , 2 , 0 , 5 , 4 , 8 , 10 , 2 , 37 , 42 , 19 , 6 , 6 , 7 , 4 , 14 , 11 , 18 , 14 , 80 , 7 , 6 , 0 , 4 , 72 , 12 , 36 , 27 ,
7 , 7 , 0 , 14 , 17 , 19 , 164 , 27 , 0 , 5 , 10 , 7 , 3 , 13 , 6 , 14 , 0 , 2 , 2 , 5 , 3 , 0 , 6 , 13 , 0 , 0 , 10 , 29 , 0 , 4 , 0 , 3 , 13 , 0 , 3 , 1 , 6 , 51 , 1 , 5 , 28 , 2 , 0 , 8 , 0 , 20 , 2 , 4 , 0 , 25 , 2 , 10 , 13 , 10 , 0 , 16 , 4 , 0 , 1 , 0 ,
2 , 1 , 7 , 0 , 1 , 8 , 11 , 0 , 0 , 1 , 2 , 7 , 2 , 23 , 11 , 6 , 6 , 4 , 16 , 2 , 2 , 2 , 0 , 22 , 9 , 3 , 3 , 5 , 2 , 0 , 15 , 16 , 21 , 2 , 9 , 20 , 15 , 15 , 5 , 3 , 9 , 1 , 0 , 0 , 1 , 7 , 7 , 5 , 4 , 2 , 2 , 2 , 38 , 24 , 14 , 0 , 0 , 15 , 5 , 6 , 24 , 14 ,
5 , 5 , 11 , 0 , 21 , 12 , 0 , 3 , 8 , 4 , 11 , 1 , 8 , 0 , 11 , 27 , 7 , 2 , 4 , 9 , 21 , 59 , 0 , 1 , 39 , 3 , 60 , 62 , 3 , 0 , 12 , 11 , 0 , 3 , 30 , 11 , 0 , 13 , 88 , 4 , 15 , 5 , 28 , 13 , 1 , 4 , 48 , 17 , 17 , 4 , 28 , 32 , 46 , 0 , 16 , 0 ,
18 , 11 , 1 , 8 , 6 , 38 , 11 , 2 , 6 , 11 , 38 , 2 , 0 , 45 , 3 , 11 , 2 , 7 , 8 , 4 , 30 , 14 , 17 , 2 , 1 , 1 , 65 , 18 , 12 , 16 , 4 , 2 , 45 , 123 , 12 , 56 , 33 , 1 , 4 , 3 , 4 , 7 , 0 , 0 , 0 , 3 , 2 , 0 , 16 , 4 , 2 , 4 , 2 , 0 , 7 , 4 , 5 , 2 , 26 ,
2 , 25 , 6 , 11 , 6 , 1 , 16 , 2 , 6 , 17 , 77 , 15 , 3 , 35 , 0 , 1 , 0 , 5 , 1 , 0 , 38 , 16 , 6 , 3 , 12 , 3 , 3 , 3 , 0 , 9 , 3 , 1 , 3 , 5 , 2 , 9 , 0 , 18 , 0 , 25 , 1 , 3 , 32 , 1 , 72 , 46 , 6 , 2 , 7 , 1 , 3 , 14 , 17 , 0 , 28 , 1 , 40 , 13 , 0 , 20 ,
15 , 40 , 6 , 38 , 24 , 12 , 43 , 1 , 1 , 9 , 0 , 12 , 6 , 0 , 6 , 2 , 4 , 19 , 3 , 7 , 1 , 48 , 0 , 9 , 5 , 0 , 5 , 6 , 9 , 6 , 10 , 15 , 2 , 11 , 19 , 3 , 9 , 2 , 0 , 1 , 10 , 1 , 27 , 8 , 1 , 3 , 6 , 1 , 14 , 0 , 26 , 0 , 27 , 16 , 3 , 4 , 9 , 6 , 2 , 23 ,
9 , 10 , 5 , 25 , 2 , 1 , 6 , 1 , 1 , 48 , 15 , 9 , 15 , 14 , 3 , 4 , 26 , 60 , 29 , 13 , 37 , 21 , 1 , 6 , 4 , 0 , 2 , 11 , 22 , 23 , 16 , 16 , 2 , 2 , 1 , 3 , 0 , 5 , 1 , 6 , 4 , 0 , 0 , 4 , 0 , 0 , 8 , 3 , 0 , 2 , 5 , 0 , 7 , 1 , 7 , 3 , 13 , 2 , 4 , 10 ,
3 , 0 , 2 , 31 , 0 , 18 , 3 , 0 , 12 , 10 , 4 , 1 , 0 , 7 , 5 , 7 , 0 , 5 , 4 , 12 , 2 , 22 , 10 , 4 , 2 , 15 , 2 , 8 , 9 , 0 , 23 , 2 , 197 , 51 , 3 , 1 , 1 , 4 , 13 , 4 , 3 , 21 , 4 , 19 , 3 , 10 , 5 , 40 , 0 , 4 , 1 , 1 , 10 , 4 , 1 , 27 , 34 , 7 , 21 ,
2 , 17 , 2 , 9 , 6 , 4 , 2 , 3 , 0 , 4 , 2 , 7 , 8 , 2 , 5 , 1 , 15 , 21 , 3 , 4 , 4 , 2 , 2 , 17 , 22 , 1 , 5 , 22 , 4 , 26 , 7 , 0 , 32 , 1 , 11 , 42 , 15 , 4 , 1 , 2 , 5 , 0 , 19 , 3 , 1 , 8 , 6 , 0 , 10 , 1 , 9 , 2 , 13 , 30 , 8 , 2 , 24 , 17 , 19 , 1 , 4 ,
4 , 25 , 13 , 0 , 10 , 16 , 11 , 39 , 18 , 8 , 5 , 30 , 82 , 1 , 6 , 8 , 18 , 77 , 11 , 13 , 20 , 75 , 11 , 112 , 78 , 33 , 3 , 0 , 0 , 60 , 17 , 84 , 9 , 1 , 1 , 12 , 30 , 10 , 49 , 5 , 32 , 158 , 178 , 5 , 5 , 6 , 3 , 3 , 1 , 3 , 1 , 4 , 7 , 6 ,
19 , 31 , 21 , 0 , 2 , 9 , 5 , 6 , 27 , 4 , 9 , 8 , 1 , 76 , 18 , 12 , 1 , 4 , 0 , 3 , 3 , 6 , 3 , 12 , 2 , 8 , 30 , 16 , 2 , 25 , 1 , 5 , 5 , 4 , 3 , 0 , 6 , 10 , 2 , 3 , 1 , 0 , 5 , 1 , 19 , 3 , 0 , 8 , 1 , 5 , 2 , 6 , 0 , 0 , 0 , 19 , 1 , 2 , 0 , 5 , 1 , 2 , 5 ,
1 , 3 , 7 , 0 , 4 , 12 , 7 , 3 , 10 , 22 , 0 , 9 , 5 , 1 , 0 , 2 , 20 , 1 , 1 , 3 , 23 , 30 , 3 , 9 , 9 , 1 , 4 , 191 , 14 , 3 , 15 , 6 , 8 , 50 , 0 , 1 , 0 , 0 , 4 , 0 , 0 , 1 , 0 , 2 , 4 , 2 , 0 , 2 , 3 , 0 , 2 , 0 , 2 , 2 , 8 , 7 , 0 , 1 , 1 , 1 , 3 , 3 , 17 , 11 ,
91 , 1 , 9 , 3 , 2 , 13 , 4 , 24 , 15 , 41 , 3 , 13 , 3 , 1 , 20 , 4 , 125 , 29 , 30 , 1 , 0 , 4 , 12 , 2 , 21 , 4 , 5 , 5 , 19 , 11 , 0 , 13 , 11 , 86 , 2 , 18 , 0 , 7 , 1 , 8 , 8 , 2 , 2 , 22 , 1 , 2 , 6 , 5 , 2 , 0 , 1 , 2 , 8 , 0 , 2 , 0 , 5 , 2 , 1 , 0 ,
2 , 10 , 2 , 0 , 5 , 9 , 2 , 1 , 2 , 0 , 1 , 0 , 4 , 0 , 0 , 10 , 2 , 5 , 3 , 0 , 6 , 1 , 0 , 1 , 4 , 4 , 33 , 3 , 13 , 17 , 3 , 18 , 6 , 4 , 7 , 1 , 5 , 78 , 0 , 4 , 1 , 13 , 7 , 1 , 8 , 1 , 0 , 35 , 27 , 15 , 3 , 0 , 0 , 0 , 1 , 11 , 5 , 41 , 38 , 15 , 22 , 6 ,
14 , 14 , 2 , 1 , 11 , 6 , 20 , 63 , 5 , 8 , 27 , 7 , 11 , 2 , 2 , 40 , 58 , 23 , 50 , 54 , 56 , 293 , 8 , 8 , 1 , 5 , 1 , 14 , 0 , 1 , 12 , 37 , 89 , 8 , 8 , 8 , 2 , 10 , 6 , 0 , 0 , 0 , 4 , 5 , 2 , 1 , 0 , 1 , 1 , 2 , 7 , 0 , 3 , 3 , 0 , 4 , 6 , 0 , 3 , 2 ,
19 , 3 , 8 , 0 , 0 , 0 , 4 , 4 , 16 , 0 , 4 , 1 , 5 , 1 , 3 , 0 , 3 , 4 , 6 , 2 , 17 , 10 , 10 , 31 , 6 , 4 , 3 , 6 , 10 , 126 , 7 , 3 , 2 , 2 , 0 , 9 , 0 , 0 , 5 , 20 , 13 , 0 , 15 , 0 , 6 , 0 , 2 , 5 , 8 , 64 , 50 , 3 , 2 , 12 , 2 , 9 , 0 , 0 , 11 , 8 , 20 ,
109 , 2 , 18 , 23 , 0 , 0 , 9 , 61 , 3 , 0 , 28 , 41 , 77 , 27 , 19 , 17 , 81 , 5 , 2 , 14 , 5 , 83 , 57 , 252 , 14 , 154 , 263 , 14 , 20 , 8 , 13 , 6 , 57 , 39 , 38 ,
} ;
static int ranges_unpacked = false ;
static ImWchar ranges [ 8 + IM_ARRAYSIZE ( offsets_from_0x4E00 ) * 2 + 1 ] =
{
0x0020 , 0x00FF , // Basic Latin + Latin Supplement
0x3000 , 0x30FF , // Punctuations, Hiragana, Katakana
0x31F0 , 0x31FF , // Katakana Phonetic Extensions
0xFF00 , 0xFFEF , // Half-width characters
} ;
if ( ! ranges_unpacked )
{
// Unpack
int codepoint = 0x4e00 ;
ImWchar * dst = & ranges [ 8 ] ;
for ( int n = 0 ; n < IM_ARRAYSIZE ( offsets_from_0x4E00 ) ; n + + , dst + = 2 )
dst [ 0 ] = dst [ 1 ] = ( ImWchar ) ( codepoint + = ( offsets_from_0x4E00 [ n ] + 1 ) ) ;
dst [ 0 ] = 0 ;
ranges_unpacked = true ;
}
return & ranges [ 0 ] ;
}
const ImWchar * ImFontAtlas : : GetGlyphRangesCyrillic ( )
{
static const ImWchar ranges [ ] =
{
0x0020 , 0x00FF , // Basic Latin + Latin Supplement
0x0400 , 0x052F , // Cyrillic + Cyrillic Supplement
0x2DE0 , 0x2DFF , // Cyrillic Extended-A
0xA640 , 0xA69F , // Cyrillic Extended-B
0 ,
} ;
return & ranges [ 0 ] ;
}
//-----------------------------------------------------------------------------
// ImFont
//-----------------------------------------------------------------------------
ImFont : : ImFont ( )
{
Scale = 1.0f ;
FallbackChar = ( ImWchar ) ' ? ' ;
Clear ( ) ;
}
ImFont : : ~ ImFont ( )
{
// Invalidate active font so that the user gets a clear crash instead of a dangling pointer.
// If you want to delete fonts you need to do it between Render() and NewFrame().
// FIXME-CLEANUP
/*
ImGuiState & g = * GImGui ;
if ( g . Font = = this )
g . Font = NULL ;
*/
Clear ( ) ;
}
void ImFont : : Clear ( )
{
FontSize = 0.0f ;
DisplayOffset = ImVec2 ( 0.0f , 1.0f ) ;
ConfigData = NULL ;
ConfigDataCount = 0 ;
Ascent = Descent = 0.0f ;
ContainerAtlas = NULL ;
Glyphs . clear ( ) ;
FallbackGlyph = NULL ;
FallbackXAdvance = 0.0f ;
IndexXAdvance . clear ( ) ;
IndexLookup . clear ( ) ;
}
void ImFont : : BuildLookupTable ( )
{
int max_codepoint = 0 ;
for ( int i = 0 ; i ! = Glyphs . Size ; i + + )
max_codepoint = ImMax ( max_codepoint , ( int ) Glyphs [ i ] . Codepoint ) ;
IndexXAdvance . clear ( ) ;
IndexXAdvance . resize ( max_codepoint + 1 ) ;
IndexLookup . clear ( ) ;
IndexLookup . resize ( max_codepoint + 1 ) ;
for ( int i = 0 ; i < max_codepoint + 1 ; i + + )
{
IndexXAdvance [ i ] = - 1.0f ;
IndexLookup [ i ] = - 1 ;
}
for ( int i = 0 ; i < Glyphs . Size ; i + + )
{
int codepoint = ( int ) Glyphs [ i ] . Codepoint ;
IndexXAdvance [ codepoint ] = Glyphs [ i ] . XAdvance ;
IndexLookup [ codepoint ] = i ;
}
// Create a glyph to handle TAB
// FIXME: Needs proper TAB handling but it needs to be contextualized (can arbitrary say that each string starts at "column 0"
if ( FindGlyph ( ( unsigned short ) ' ' ) )
{
if ( Glyphs . back ( ) . Codepoint ! = ' \t ' ) // So we can call this function multiple times
Glyphs . resize ( Glyphs . Size + 1 ) ;
ImFont : : Glyph & tab_glyph = Glyphs . back ( ) ;
tab_glyph = * FindGlyph ( ( unsigned short ) ' ' ) ;
tab_glyph . Codepoint = ' \t ' ;
tab_glyph . XAdvance * = 4 ;
IndexXAdvance [ ( int ) tab_glyph . Codepoint ] = ( float ) tab_glyph . XAdvance ;
IndexLookup [ ( int ) tab_glyph . Codepoint ] = ( int ) ( Glyphs . Size - 1 ) ;
}
FallbackGlyph = NULL ;
FallbackGlyph = FindGlyph ( FallbackChar ) ;
FallbackXAdvance = FallbackGlyph ? FallbackGlyph - > XAdvance : 0.0f ;
for ( int i = 0 ; i < max_codepoint + 1 ; i + + )
if ( IndexXAdvance [ i ] < 0.0f )
IndexXAdvance [ i ] = FallbackXAdvance ;
}
void ImFont : : SetFallbackChar ( ImWchar c )
{
FallbackChar = c ;
BuildLookupTable ( ) ;
}
const ImFont : : Glyph * ImFont : : FindGlyph ( unsigned short c ) const
{
if ( c < IndexLookup . Size )
{
const int i = IndexLookup [ c ] ;
if ( i ! = - 1 )
return & Glyphs [ i ] ;
}
return FallbackGlyph ;
}
const char * ImFont : : CalcWordWrapPositionA ( float scale , const char * text , const char * text_end , float wrap_width ) const
{
// Simple word-wrapping for English, not full-featured. Please submit failing cases!
// FIXME: Much possible improvements (don't cut things like "word !", "word!!!" but cut within "word,,,,", more sensible support for punctuations, support for Unicode punctuations, etc.)
// For references, possible wrap point marked with ^
// "aaa bbb, ccc,ddd. eee fff. ggg!"
// ^ ^ ^ ^ ^__ ^ ^
// List of hardcoded separators: .,;!?'"
// Skip extra blanks after a line returns (that includes not counting them in width computation)
// e.g. "Hello world" --> "Hello" "World"
// Cut words that cannot possibly fit within one line.
// e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish"
float line_width = 0.0f ;
float word_width = 0.0f ;
float blank_width = 0.0f ;
const char * word_end = text ;
const char * prev_word_end = NULL ;
bool inside_word = true ;
const char * s = text ;
while ( s < text_end )
{
unsigned int c = ( unsigned int ) * s ;
const char * next_s ;
if ( c < 0x80 )
next_s = s + 1 ;
else
next_s = s + ImTextCharFromUtf8 ( & c , s , text_end ) ;
if ( c = = 0 )
break ;
if ( c < 32 )
{
if ( c = = ' \n ' )
{
line_width = word_width = blank_width = 0.0f ;
inside_word = true ;
s = next_s ;
continue ;
}
if ( c = = ' \r ' )
{
s = next_s ;
continue ;
}
}
const float char_width = ( ( int ) c < IndexXAdvance . Size ) ? IndexXAdvance [ ( int ) c ] * scale : FallbackXAdvance ;
if ( ImCharIsSpace ( c ) )
{
if ( inside_word )
{
line_width + = blank_width ;
blank_width = 0.0f ;
}
blank_width + = char_width ;
inside_word = false ;
}
else
{
word_width + = char_width ;
if ( inside_word )
{
word_end = next_s ;
}
else
{
prev_word_end = word_end ;
line_width + = word_width + blank_width ;
word_width = blank_width = 0.0f ;
}
// Allow wrapping after punctuation.
inside_word = ! ( c = = ' . ' | | c = = ' , ' | | c = = ' ; ' | | c = = ' ! ' | | c = = ' ? ' | | c = = ' \" ' ) ;
}
// We ignore blank width at the end of the line (they can be skipped)
if ( line_width + word_width > = wrap_width )
{
// Words that cannot possibly fit within an entire line will be cut anywhere.
if ( word_width < wrap_width )
s = prev_word_end ? prev_word_end : word_end ;
break ;
}
s = next_s ;
}
return s ;
}
ImVec2 ImFont : : CalcTextSizeA ( float size , float max_width , float wrap_width , const char * text_begin , const char * text_end , const char * * remaining ) const
{
if ( ! text_end )
text_end = text_begin + strlen ( text_begin ) ; // FIXME-OPT: Need to avoid this.
const float line_height = size ;
const float scale = size / FontSize ;
ImVec2 text_size = ImVec2 ( 0 , 0 ) ;
float line_width = 0.0f ;
const bool word_wrap_enabled = ( wrap_width > 0.0f ) ;
const char * word_wrap_eol = NULL ;
const char * s = text_begin ;
while ( s < text_end )
{
if ( word_wrap_enabled )
{
// Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
if ( ! word_wrap_eol )
{
word_wrap_eol = CalcWordWrapPositionA ( scale , s , text_end , wrap_width - line_width ) ;
if ( word_wrap_eol = = s ) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
word_wrap_eol + + ; // +1 may not be a character start point in UTF-8 but it's ok because we use s >= word_wrap_eol below
}
if ( s > = word_wrap_eol )
{
if ( text_size . x < line_width )
text_size . x = line_width ;
text_size . y + = line_height ;
line_width = 0.0f ;
word_wrap_eol = NULL ;
// Wrapping skips upcoming blanks
while ( s < text_end )
{
const char c = * s ;
if ( ImCharIsSpace ( c ) ) { s + + ; } else if ( c = = ' \n ' ) { s + + ; break ; } else { break ; }
}
continue ;
}
}
// Decode and advance source (handle unlikely UTF-8 decoding failure by skipping to the next byte)
const char * prev_s = s ;
unsigned int c = ( unsigned int ) * s ;
if ( c < 0x80 )
{
s + = 1 ;
}
else
{
s + = ImTextCharFromUtf8 ( & c , s , text_end ) ;
if ( c = = 0 )
break ;
}
if ( c < 32 )
{
if ( c = = ' \n ' )
{
text_size . x = ImMax ( text_size . x , line_width ) ;
text_size . y + = line_height ;
line_width = 0.0f ;
continue ;
}
if ( c = = ' \r ' )
continue ;
}
const float char_width = ( ( int ) c < IndexXAdvance . Size ? IndexXAdvance [ ( int ) c ] : FallbackXAdvance ) * scale ;
if ( line_width + char_width > = max_width )
{
s = prev_s ;
break ;
}
line_width + = char_width ;
}
if ( text_size . x < line_width )
text_size . x = line_width ;
if ( line_width > 0 | | text_size . y = = 0.0f )
text_size . y + = line_height ;
if ( remaining )
* remaining = s ;
return text_size ;
}
void ImFont : : RenderText ( float size , ImVec2 pos , ImU32 col , const ImVec4 & clip_rect , const char * text_begin , const char * text_end , ImDrawList * draw_list , float wrap_width , bool cpu_fine_clip ) const
{
if ( ! text_end )
text_end = text_begin + strlen ( text_begin ) ;
// Align to be pixel perfect
pos . x = ( float ) ( int ) pos . x + DisplayOffset . x ;
pos . y = ( float ) ( int ) pos . y + DisplayOffset . y ;
float x = pos . x ;
float y = pos . y ;
if ( y > clip_rect . w )
return ;
const float scale = size / FontSize ;
const float line_height = FontSize * scale ;
const bool word_wrap_enabled = ( wrap_width > 0.0f ) ;
const char * word_wrap_eol = NULL ;
ImDrawVert * vtx_write = draw_list - > _VtxWritePtr ;
ImDrawIdx * idx_write = draw_list - > _IdxWritePtr ;
unsigned int vtx_current_idx = draw_list - > _VtxCurrentIdx ;
const char * s = text_begin ;
if ( ! word_wrap_enabled & & y + line_height < clip_rect . y )
while ( s < text_end & & * s ! = ' \n ' ) // Fast-forward to next line
s + + ;
while ( s < text_end )
{
if ( word_wrap_enabled )
{
// Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
if ( ! word_wrap_eol )
{
word_wrap_eol = CalcWordWrapPositionA ( scale , s , text_end , wrap_width - ( x - pos . x ) ) ;
if ( word_wrap_eol = = s ) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
word_wrap_eol + + ; // +1 may not be a character start point in UTF-8 but it's ok because we use s >= word_wrap_eol below
}
if ( s > = word_wrap_eol )
{
x = pos . x ;
y + = line_height ;
word_wrap_eol = NULL ;
// Wrapping skips upcoming blanks
while ( s < text_end )
{
const char c = * s ;
if ( ImCharIsSpace ( c ) ) { s + + ; } else if ( c = = ' \n ' ) { s + + ; break ; } else { break ; }
}
continue ;
}
}
// Decode and advance source (handle unlikely UTF-8 decoding failure by skipping to the next byte)
unsigned int c = ( unsigned int ) * s ;
if ( c < 0x80 )
{
s + = 1 ;
}
else
{
s + = ImTextCharFromUtf8 ( & c , s , text_end ) ;
if ( c = = 0 )
break ;
}
if ( c < 32 )
{
if ( c = = ' \n ' )
{
x = pos . x ;
y + = line_height ;
if ( y > clip_rect . w )
break ;
if ( ! word_wrap_enabled & & y + line_height < clip_rect . y )
while ( s < text_end & & * s ! = ' \n ' ) // Fast-forward to next line
s + + ;
continue ;
}
if ( c = = ' \r ' )
continue ;
}
float char_width = 0.0f ;
if ( const Glyph * glyph = FindGlyph ( ( unsigned short ) c ) )
{
char_width = glyph - > XAdvance * scale ;
// Clipping on Y is more likely
if ( c ! = ' ' & & c ! = ' \t ' )
{
// We don't do a second finer clipping test on the Y axis (todo: do some measurement see if it is worth it, probably not)
float y1 = ( float ) ( y + glyph - > Y0 * scale ) ;
float y2 = ( float ) ( y + glyph - > Y1 * scale ) ;
float x1 = ( float ) ( x + glyph - > X0 * scale ) ;
float x2 = ( float ) ( x + glyph - > X1 * scale ) ;
if ( x1 < = clip_rect . z & & x2 > = clip_rect . x )
{
// Render a character
float u1 = glyph - > U0 ;
float v1 = glyph - > V0 ;
float u2 = glyph - > U1 ;
float v2 = glyph - > V1 ;
// CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads
if ( cpu_fine_clip )
{
if ( x1 < clip_rect . x )
{
u1 = u1 + ( 1.0f - ( x2 - clip_rect . x ) / ( x2 - x1 ) ) * ( u2 - u1 ) ;
x1 = clip_rect . x ;
}
if ( y1 < clip_rect . y )
{
v1 = v1 + ( 1.0f - ( y2 - clip_rect . y ) / ( y2 - y1 ) ) * ( v2 - v1 ) ;
y1 = clip_rect . y ;
}
if ( x2 > clip_rect . z )
{
u2 = u1 + ( ( clip_rect . z - x1 ) / ( x2 - x1 ) ) * ( u2 - u1 ) ;
x2 = clip_rect . z ;
}
if ( y2 > clip_rect . w )
{
v2 = v1 + ( ( clip_rect . w - y1 ) / ( y2 - y1 ) ) * ( v2 - v1 ) ;
y2 = clip_rect . w ;
}
if ( y1 > = y2 )
{
x + = char_width ;
continue ;
}
}
// NB: we are not calling PrimRectUV() here because non-inlined causes too much overhead in a debug build.
// inlined:
{
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idx_write [ 0 ] = ( ImDrawIdx ) ( vtx_current_idx ) ; idx_write [ 1 ] = ( ImDrawIdx ) ( vtx_current_idx + 1 ) ; idx_write [ 2 ] = ( ImDrawIdx ) ( vtx_current_idx + 2 ) ;
idx_write [ 3 ] = ( ImDrawIdx ) ( vtx_current_idx ) ; idx_write [ 4 ] = ( ImDrawIdx ) ( vtx_current_idx + 2 ) ; idx_write [ 5 ] = ( ImDrawIdx ) ( vtx_current_idx + 3 ) ;
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vtx_write [ 0 ] . pos . x = x1 ; vtx_write [ 0 ] . pos . y = y1 ; vtx_write [ 0 ] . col = col ; vtx_write [ 0 ] . uv . x = u1 ; vtx_write [ 0 ] . uv . y = v1 ;
vtx_write [ 1 ] . pos . x = x2 ; vtx_write [ 1 ] . pos . y = y1 ; vtx_write [ 1 ] . col = col ; vtx_write [ 1 ] . uv . x = u2 ; vtx_write [ 1 ] . uv . y = v1 ;
vtx_write [ 2 ] . pos . x = x2 ; vtx_write [ 2 ] . pos . y = y2 ; vtx_write [ 2 ] . col = col ; vtx_write [ 2 ] . uv . x = u2 ; vtx_write [ 2 ] . uv . y = v2 ;
vtx_write [ 3 ] . pos . x = x1 ; vtx_write [ 3 ] . pos . y = y2 ; vtx_write [ 3 ] . col = col ; vtx_write [ 3 ] . uv . x = u1 ; vtx_write [ 3 ] . uv . y = v2 ;
vtx_write + = 4 ;
vtx_current_idx + = 4 ;
idx_write + = 6 ;
}
}
}
}
x + = char_width ;
}
draw_list - > _VtxWritePtr = vtx_write ;
draw_list - > _VtxCurrentIdx = vtx_current_idx ;
draw_list - > _IdxWritePtr = idx_write ;
}
//-----------------------------------------------------------------------------
// DEFAULT FONT DATA
//-----------------------------------------------------------------------------
// Compressed with stb_compress() then converted to a C array.
// Use the program in extra_fonts/binary_to_compressed_c.cpp to create the array from a TTF file.
// Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h
//-----------------------------------------------------------------------------
static unsigned int stb_decompress_length ( unsigned char * input )
{
return ( input [ 8 ] < < 24 ) + ( input [ 9 ] < < 16 ) + ( input [ 10 ] < < 8 ) + input [ 11 ] ;
}
static unsigned char * stb__barrier , * stb__barrier2 , * stb__barrier3 , * stb__barrier4 ;
static unsigned char * stb__dout ;
static void stb__match ( unsigned char * data , unsigned int length )
{
// INVERSE of memmove... write each byte before copying the next...
IM_ASSERT ( stb__dout + length < = stb__barrier ) ;
if ( stb__dout + length > stb__barrier ) { stb__dout + = length ; return ; }
if ( data < stb__barrier4 ) { stb__dout = stb__barrier + 1 ; return ; }
while ( length - - ) * stb__dout + + = * data + + ;
}
static void stb__lit ( unsigned char * data , unsigned int length )
{
IM_ASSERT ( stb__dout + length < = stb__barrier ) ;
if ( stb__dout + length > stb__barrier ) { stb__dout + = length ; return ; }
if ( data < stb__barrier2 ) { stb__dout = stb__barrier + 1 ; return ; }
memcpy ( stb__dout , data , length ) ;
stb__dout + = length ;
}
# define stb__in2(x) ((i[x] << 8) + i[(x)+1])
# define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1))
# define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1))
static unsigned char * stb_decompress_token ( unsigned char * i )
{
if ( * i > = 0x20 ) { // use fewer if's for cases that expand small
if ( * i > = 0x80 ) stb__match ( stb__dout - i [ 1 ] - 1 , i [ 0 ] - 0x80 + 1 ) , i + = 2 ;
else if ( * i > = 0x40 ) stb__match ( stb__dout - ( stb__in2 ( 0 ) - 0x4000 + 1 ) , i [ 2 ] + 1 ) , i + = 3 ;
else /* *i >= 0x20 */ stb__lit ( i + 1 , i [ 0 ] - 0x20 + 1 ) , i + = 1 + ( i [ 0 ] - 0x20 + 1 ) ;
} else { // more ifs for cases that expand large, since overhead is amortized
if ( * i > = 0x18 ) stb__match ( stb__dout - ( stb__in3 ( 0 ) - 0x180000 + 1 ) , i [ 3 ] + 1 ) , i + = 4 ;
else if ( * i > = 0x10 ) stb__match ( stb__dout - ( stb__in3 ( 0 ) - 0x100000 + 1 ) , stb__in2 ( 3 ) + 1 ) , i + = 5 ;
else if ( * i > = 0x08 ) stb__lit ( i + 2 , stb__in2 ( 0 ) - 0x0800 + 1 ) , i + = 2 + ( stb__in2 ( 0 ) - 0x0800 + 1 ) ;
else if ( * i = = 0x07 ) stb__lit ( i + 3 , stb__in2 ( 1 ) + 1 ) , i + = 3 + ( stb__in2 ( 1 ) + 1 ) ;
else if ( * i = = 0x06 ) stb__match ( stb__dout - ( stb__in3 ( 1 ) + 1 ) , i [ 4 ] + 1 ) , i + = 5 ;
else if ( * i = = 0x04 ) stb__match ( stb__dout - ( stb__in3 ( 1 ) + 1 ) , stb__in2 ( 4 ) + 1 ) , i + = 6 ;
}
return i ;
}
static unsigned int stb_adler32 ( unsigned int adler32 , unsigned char * buffer , unsigned int buflen )
{
const unsigned long ADLER_MOD = 65521 ;
unsigned long s1 = adler32 & 0xffff , s2 = adler32 > > 16 ;
unsigned long blocklen , i ;
blocklen = buflen % 5552 ;
while ( buflen ) {
for ( i = 0 ; i + 7 < blocklen ; i + = 8 ) {
s1 + = buffer [ 0 ] , s2 + = s1 ;
s1 + = buffer [ 1 ] , s2 + = s1 ;
s1 + = buffer [ 2 ] , s2 + = s1 ;
s1 + = buffer [ 3 ] , s2 + = s1 ;
s1 + = buffer [ 4 ] , s2 + = s1 ;
s1 + = buffer [ 5 ] , s2 + = s1 ;
s1 + = buffer [ 6 ] , s2 + = s1 ;
s1 + = buffer [ 7 ] , s2 + = s1 ;
buffer + = 8 ;
}
for ( ; i < blocklen ; + + i )
s1 + = * buffer + + , s2 + = s1 ;
s1 % = ADLER_MOD , s2 % = ADLER_MOD ;
buflen - = blocklen ;
blocklen = 5552 ;
}
return ( unsigned int ) ( s2 < < 16 ) + ( unsigned int ) s1 ;
}
static unsigned int stb_decompress ( unsigned char * output , unsigned char * i , unsigned int length )
{
unsigned int olen ;
if ( stb__in4 ( 0 ) ! = 0x57bC0000 ) return 0 ;
if ( stb__in4 ( 4 ) ! = 0 ) return 0 ; // error! stream is > 4GB
olen = stb_decompress_length ( i ) ;
stb__barrier2 = i ;
stb__barrier3 = i + length ;
stb__barrier = output + olen ;
stb__barrier4 = output ;
i + = 16 ;
stb__dout = output ;
for ( ; ; ) {
unsigned char * old_i = i ;
i = stb_decompress_token ( i ) ;
if ( i = = old_i ) {
if ( * i = = 0x05 & & i [ 1 ] = = 0xfa ) {
IM_ASSERT ( stb__dout = = output + olen ) ;
if ( stb__dout ! = output + olen ) return 0 ;
if ( stb_adler32 ( 1 , output , olen ) ! = ( unsigned int ) stb__in4 ( 2 ) )
return 0 ;
return olen ;
} else {
IM_ASSERT ( 0 ) ; /* NOTREACHED */
return 0 ;
}
}
2015-08-26 06:44:36 +03:00
IM_ASSERT ( stb__dout < = output + olen ) ;
2015-08-08 19:56:09 +03:00
if ( stb__dout > output + olen )
return 0 ;
}
}
//-----------------------------------------------------------------------------
// ProggyClean.ttf
// Copyright (c) 2004, 2005 Tristan Grimmer
// MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip)
// Download and more information at http://upperbounds.net
//-----------------------------------------------------------------------------
// File: 'ProggyClean.ttf' (41208 bytes)
// Exported using binary_to_compressed_c.cpp
//-----------------------------------------------------------------------------
static const char proggy_clean_ttf_compressed_data_base85 [ 11980 + 1 ] =
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2015-08-26 06:44:36 +03:00
static const char * GetDefaultCompressedFontDataTTFBase85 ( )
{
return proggy_clean_ttf_compressed_data_base85 ;
2015-08-08 19:56:09 +03:00
}