mirrors
/
imgui
mirror of https://github.com/ocornut/imgui
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #826 from swetland/patch 

ImFont: add RenderGlyph() to allow rendering of individual glyphs post-query
This commit is contained in:
omar 2017-08-14 16:50:20 +08:00 committed by GitHub
parent 2b7fe73a08 5a47346f5a
commit d2c219df84
2 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
imgui.h
View File

@ -1435,6 +1435,7 @@ struct ImFont
// 'wrap_width' enable automatic word-wrapping across multiple lines to fit into given width. 0.0f to disable.
IMGUI_API ImVec2 CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end = NULL, const char** remaining = NULL) const; // utf8
IMGUI_API const char* CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const;
IMGUI_API void RenderGlyph(ImDrawList* draw_list, ImVec2 pos, ImU32 col, const ImFont::Glyph* glyph) const;
IMGUI_API void RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, unsigned short c) const;
IMGUI_API void RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width = 0.0f, bool cpu_fine_clip = false) const;

9
imgui_draw.cpp
View File

@ -2050,6 +2050,15 @@ ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, cons
return text_size;
}
void ImFont::RenderGlyph(ImDrawList* draw_list, ImVec2 pos, ImU32 col, const ImFont::Glyph* glyph) const {
pos.x = (float)(int)pos.x + DisplayOffset.x;
pos.y = (float)(int)pos.y + DisplayOffset.y;
ImVec2 pos_tl(pos.x + glyph->X0, pos.y + glyph->Y0);
ImVec2 pos_br(pos.x + glyph->X1, pos.y + glyph->Y1);
draw_list->PrimReserve(6, 4);
draw_list->PrimRectUV(pos_tl, pos_br, ImVec2(glyph->U0, glyph->V0), ImVec2(glyph->U1, glyph->V1), col);
}
void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, unsigned short c) const
{
if (c == ' ' || c == '\t' || c == '\n' || c == '\r') // Match behavior of RenderText(), those 4 codepoints are hard-coded.