Added IMGUI_DISABLE_MATH_FUNCTIONS in imconfig.h to make it slightly easier to redefine wrappers to std maths functions such as fabsf(), fmodf(), etc. Comments.
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@ -81,6 +81,7 @@ Other Changes:
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- Fonts: When building font atlas, glyphs that are missing in the fonts are not using the glyph slot to render a dummy/default glyph. Saves space and allow merging fonts with
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overlapping font ranges such as FontAwesome5 which split out the Brands separately from the Solid fonts. (#1703, #1671)
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- Misc: Added IMGUI_CHECKVERSION() macro to compare version string and data structure sizes in order to catch issues with mismatching compilation unit settings. (#1695, #1769)
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- Misc: Added IMGUI_DISABLE_MATH_FUNCTIONS in imconfig.h to make it slightly easier to redefine wrappers to std maths functions such as fabsf(), fmodf(), etc.
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- Misc: Fix to allow compiling in unity builds where stb_rectpack/stb_truetype may be already included in the same compilation unit.
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- Demo: Simple Overlay: Added a context menu item to enable freely moving the window.
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- Demo: Added demo for DragScalar(), InputScalar(), SliderScalar(). (#643)
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14
imconfig.h
14
imconfig.h
@ -20,19 +20,19 @@
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//#define IMGUI_API __declspec( dllexport )
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//#define IMGUI_API __declspec( dllimport )
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//---- Don't define obsolete functions/enums names. Consider enabling from time to time after updating to avoid using soon-to-be obsolete function/names
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//---- Don't define obsolete functions/enums names. Consider enabling from time to time after updating to avoid using soon-to-be obsolete function/names.
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//#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS
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//---- Don't implement default handlers for Windows (so as not to link with certain functions)
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//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS // Don't use and link with OpenClipboard/GetClipboardData/CloseClipboard etc.
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//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS // Don't use and link with ImmGetContext/ImmSetCompositionWindow.
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//---- Don't implement demo windows functionality (ShowDemoWindow()/ShowStyleEditor()/ShowUserGuide() methods will be empty)
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//---- It is very strongly recommended to NOT disable the demo windows during development. Please read the comments in imgui_demo.cpp.
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//#define IMGUI_DISABLE_DEMO_WINDOWS
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//---- Don't implement ImFormatString(), ImFormatStringV() so you can reimplement them yourself.
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//#define IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS
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//---- Don't implement some functions to reduce linkage requirements.
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//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS // [Win32] Don't implement default clipboard handler. Won't use and link with OpenClipboard/GetClipboardData/CloseClipboard etc.
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//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS // [Win32] Don't implement default IME handler. Won't use and link with ImmGetContext/ImmSetCompositionWindow.
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//#define IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS // Don't implement ImFormatString(), ImFormatStringV() so you can reimplement them yourself.
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//#define IMGUI_DISABLE_MATH_FUNCTIONS // Don't implement ImFabs(), ImSqrt(), ImPow(), ImFmod() so you can reimplement them yourself.
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//#define IMGUI_DISABLE_DEFAULT_ALLOCATORS // Don't implement default allocators calling malloc()/free(). You will need to call ImGui::SetAllocatorFunctions().
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//---- Include imgui_user.h at the end of imgui.h as a convenience
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//#define IMGUI_INCLUDE_IMGUI_USER_H
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20
imgui.cpp
20
imgui.cpp
@ -1436,7 +1436,7 @@ void ImGui::ColorConvertRGBtoHSV(float r, float g, float b, float& out_h, float&
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}
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const float chroma = r - (g < b ? g : b);
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out_h = fabsf(K + (g - b) / (6.f * chroma + 1e-20f));
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out_h = ImFabs(K + (g - b) / (6.f * chroma + 1e-20f));
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out_s = chroma / (r + 1e-20f);
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out_v = r;
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}
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@ -1452,7 +1452,7 @@ void ImGui::ColorConvertHSVtoRGB(float h, float s, float v, float& out_r, float&
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return;
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}
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h = fmodf(h, 1.0f) / (60.0f/360.0f);
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h = ImFmod(h, 1.0f) / (60.0f/360.0f);
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int i = (int)h;
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float f = h - (float)i;
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float p = v * (1.0f - s);
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@ -2210,7 +2210,7 @@ void ImGui::ItemSize(const ImRect& bb, float text_offset_y)
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static ImGuiDir inline NavScoreItemGetQuadrant(float dx, float dy)
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{
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if (fabsf(dx) > fabsf(dy))
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if (ImFabs(dx) > ImFabs(dy))
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return (dx > 0.0f) ? ImGuiDir_Right : ImGuiDir_Left;
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return (dy > 0.0f) ? ImGuiDir_Down : ImGuiDir_Up;
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}
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@ -2259,12 +2259,12 @@ static bool NavScoreItem(ImGuiNavMoveResult* result, ImRect cand)
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float dby = NavScoreItemDistInterval(ImLerp(cand.Min.y, cand.Max.y, 0.2f), ImLerp(cand.Min.y, cand.Max.y, 0.8f), ImLerp(curr.Min.y, curr.Max.y, 0.2f), ImLerp(curr.Min.y, curr.Max.y, 0.8f)); // Scale down on Y to keep using box-distance for vertically touching items
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if (dby != 0.0f && dbx != 0.0f)
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dbx = (dbx/1000.0f) + ((dbx > 0.0f) ? +1.0f : -1.0f);
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float dist_box = fabsf(dbx) + fabsf(dby);
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float dist_box = ImFabs(dbx) + ImFabs(dby);
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// Compute distance between centers (this is off by a factor of 2, but we only compare center distances with each other so it doesn't matter)
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float dcx = (cand.Min.x + cand.Max.x) - (curr.Min.x + curr.Max.x);
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float dcy = (cand.Min.y + cand.Max.y) - (curr.Min.y + curr.Max.y);
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float dist_center = fabsf(dcx) + fabsf(dcy); // L1 metric (need this for our connectedness guarantee)
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float dist_center = ImFabs(dcx) + ImFabs(dcy); // L1 metric (need this for our connectedness guarantee)
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// Determine which quadrant of 'curr' our candidate item 'cand' lies in based on distance
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ImGuiDir quadrant;
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@ -3307,7 +3307,7 @@ static void ImGui::NavUpdate()
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g.NavScoringRectScreen = g.NavWindow ? ImRect(g.NavWindow->Pos + nav_rect_rel.Min, g.NavWindow->Pos + nav_rect_rel.Max) : GetViewportRect();
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g.NavScoringRectScreen.Min.x = ImMin(g.NavScoringRectScreen.Min.x + 1.0f, g.NavScoringRectScreen.Max.x);
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g.NavScoringRectScreen.Max.x = g.NavScoringRectScreen.Min.x;
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IM_ASSERT(!g.NavScoringRectScreen.IsInverted()); // Ensure if we have a finite, non-inverted bounding box here will allows us to remove extraneous fabsf() calls in NavScoreItem().
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IM_ASSERT(!g.NavScoringRectScreen.IsInverted()); // Ensure if we have a finite, non-inverted bounding box here will allows us to remove extraneous ImFabs() calls in NavScoreItem().
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//g.OverlayDrawList.AddRect(g.NavScoringRectScreen.Min, g.NavScoringRectScreen.Max, IM_COL32(255,200,0,255)); // [DEBUG]
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g.NavScoringCount = 0;
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#if IMGUI_DEBUG_NAV_RECTS
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@ -4678,7 +4678,7 @@ bool ImGui::IsMouseClicked(int button, bool repeat)
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if (repeat && t > g.IO.KeyRepeatDelay)
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{
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float delay = g.IO.KeyRepeatDelay, rate = g.IO.KeyRepeatRate;
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if ((fmodf(t - delay, rate) > rate*0.5f) != (fmodf(t - delay - g.IO.DeltaTime, rate) > rate*0.5f))
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if ((ImFmod(t - delay, rate) > rate*0.5f) != (ImFmod(t - delay - g.IO.DeltaTime, rate) > rate*0.5f))
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return true;
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}
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@ -8923,7 +8923,7 @@ static bool ImGui::SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType d
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{
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// Positive: rescale to the positive range before powering
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float a;
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if (fabsf(linear_zero_pos - 1.0f) > 1.e-6f)
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if (ImFabs(linear_zero_pos - 1.0f) > 1.e-6f)
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a = (clicked_t - linear_zero_pos) / (1.0f - linear_zero_pos);
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else
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a = clicked_t;
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@ -10692,7 +10692,7 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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draw_window->DrawList->AddText(g.Font, g.FontSize, render_pos - render_scroll, GetColorU32(ImGuiCol_Text), buf_display, buf_display + edit_state.CurLenA, 0.0f, is_multiline ? NULL : &clip_rect);
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// Draw blinking cursor
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bool cursor_is_visible = (!g.IO.OptCursorBlink) || (g.InputTextState.CursorAnim <= 0.0f) || fmodf(g.InputTextState.CursorAnim, 1.20f) <= 0.80f;
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bool cursor_is_visible = (!g.IO.OptCursorBlink) || (g.InputTextState.CursorAnim <= 0.0f) || ImFmod(g.InputTextState.CursorAnim, 1.20f) <= 0.80f;
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ImVec2 cursor_screen_pos = render_pos + cursor_offset - render_scroll;
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ImRect cursor_screen_rect(cursor_screen_pos.x, cursor_screen_pos.y-g.FontSize+0.5f, cursor_screen_pos.x+1.0f, cursor_screen_pos.y-1.5f);
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if (cursor_is_visible && cursor_screen_rect.Overlaps(clip_rect))
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@ -11540,7 +11540,7 @@ bool ImGui::BeginMenu(const char* label, bool enabled)
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ImVec2 ta = g.IO.MousePos - g.IO.MouseDelta;
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ImVec2 tb = (window->Pos.x < next_window->Pos.x) ? next_window_rect.GetTL() : next_window_rect.GetTR();
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ImVec2 tc = (window->Pos.x < next_window->Pos.x) ? next_window_rect.GetBL() : next_window_rect.GetBR();
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float extra = ImClamp(fabsf(ta.x - tb.x) * 0.30f, 5.0f, 30.0f); // add a bit of extra slack.
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float extra = ImClamp(ImFabs(ta.x - tb.x) * 0.30f, 5.0f, 30.0f); // add a bit of extra slack.
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ta.x += (window->Pos.x < next_window->Pos.x) ? -0.5f : +0.5f; // to avoid numerical issues
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tb.y = ta.y + ImMax((tb.y - extra) - ta.y, -100.0f); // triangle is maximum 200 high to limit the slope and the bias toward large sub-menus // FIXME: Multiply by fb_scale?
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tc.y = ta.y + ImMin((tc.y + extra) - ta.y, +100.0f);
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@ -109,6 +109,10 @@ namespace IMGUI_STB_NAMESPACE
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#define STBTT_malloc(x,u) ((void)(u), ImGui::MemAlloc(x))
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#define STBTT_free(x,u) ((void)(u), ImGui::MemFree(x))
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#define STBTT_assert(x) IM_ASSERT(x)
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#define STBTT_fmod(x,y) ImFmod(x,y)
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#define STBTT_sqrt(x) ImSqrt(x)
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#define STBTT_pow(x,y) ImPow(x,y)
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#define STBTT_fabs(x) ImFabs(x)
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#define STBTT_STATIC
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#define STB_TRUETYPE_IMPLEMENTATION
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#else
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@ -959,8 +963,8 @@ void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImV
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void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, int rounding_corners)
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{
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rounding = ImMin(rounding, fabsf(b.x - a.x) * ( ((rounding_corners & ImDrawCornerFlags_Top) == ImDrawCornerFlags_Top) || ((rounding_corners & ImDrawCornerFlags_Bot) == ImDrawCornerFlags_Bot) ? 0.5f : 1.0f ) - 1.0f);
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rounding = ImMin(rounding, fabsf(b.y - a.y) * ( ((rounding_corners & ImDrawCornerFlags_Left) == ImDrawCornerFlags_Left) || ((rounding_corners & ImDrawCornerFlags_Right) == ImDrawCornerFlags_Right) ? 0.5f : 1.0f ) - 1.0f);
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rounding = ImMin(rounding, ImFabs(b.x - a.x) * ( ((rounding_corners & ImDrawCornerFlags_Top) == ImDrawCornerFlags_Top) || ((rounding_corners & ImDrawCornerFlags_Bot) == ImDrawCornerFlags_Bot) ? 0.5f : 1.0f ) - 1.0f);
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rounding = ImMin(rounding, ImFabs(b.y - a.y) * ( ((rounding_corners & ImDrawCornerFlags_Left) == ImDrawCornerFlags_Left) || ((rounding_corners & ImDrawCornerFlags_Right) == ImDrawCornerFlags_Right) ? 0.5f : 1.0f ) - 1.0f);
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if (rounding <= 0.0f || rounding_corners == 0)
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{
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@ -146,11 +146,22 @@ static inline ImVec4 operator*(const ImVec4& lhs, const ImVec4& rhs)
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#endif
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// Helpers: Maths
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// - Wrapper for standard libs functions. (Note that imgui_demo.cpp does _not_ use them to keep the code easy to copy)
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#ifndef IMGUI_DISABLE_MATH_FUNCTIONS
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static inline float ImFabs(float x) { return fabsf(x); }
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static inline float ImSqrt(float x) { return sqrtf(x); }
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static inline float ImPow(float x, float y) { return powf(x, y); }
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static inline double ImPow(double x, double y) { return pow(x, y); }
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static inline float ImFmod(float x, float y) { return fmodf(x, y); }
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static inline double ImFmod(double x, double y) { return fmod(x, y); }
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#endif
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// - ImMin/ImMax/ImClamp/ImLerp/ImSwap are used by widgets which support for variety of types: signed/unsigned int/long long float/double, using templates here but we could also redefine them 6 times
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template<typename T> static inline T ImMin(T lhs, T rhs) { return lhs < rhs ? lhs : rhs; }
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template<typename T> static inline T ImMax(T lhs, T rhs) { return lhs >= rhs ? lhs : rhs; }
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template<typename T> static inline T ImClamp(T v, T mn, T mx) { return (v < mn) ? mn : (v > mx) ? mx : v; }
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template<typename T> static inline T ImLerp(T a, T b, float t) { return (T)(a + (b - a) * t); }
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template<typename T> static inline void ImSwap(T& a, T& b) { T tmp = a; a = b; b = tmp; }
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// - Misc maths helpers
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static inline ImVec2 ImMin(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x < rhs.x ? lhs.x : rhs.x, lhs.y < rhs.y ? lhs.y : rhs.y); }
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static inline ImVec2 ImMax(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x >= rhs.x ? lhs.x : rhs.x, lhs.y >= rhs.y ? lhs.y : rhs.y); }
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static inline ImVec2 ImClamp(const ImVec2& v, const ImVec2& mn, ImVec2 mx) { return ImVec2((v.x < mn.x) ? mn.x : (v.x > mx.x) ? mx.x : v.x, (v.y < mn.y) ? mn.y : (v.y > mx.y) ? mx.y : v.y); }
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@ -160,17 +171,13 @@ static inline ImVec4 ImLerp(const ImVec4& a, const ImVec4& b, float t)
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static inline float ImSaturate(float f) { return (f < 0.0f) ? 0.0f : (f > 1.0f) ? 1.0f : f; }
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static inline float ImLengthSqr(const ImVec2& lhs) { return lhs.x*lhs.x + lhs.y*lhs.y; }
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static inline float ImLengthSqr(const ImVec4& lhs) { return lhs.x*lhs.x + lhs.y*lhs.y + lhs.z*lhs.z + lhs.w*lhs.w; }
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static inline float ImInvLength(const ImVec2& lhs, float fail_value) { float d = lhs.x*lhs.x + lhs.y*lhs.y; if (d > 0.0f) return 1.0f / sqrtf(d); return fail_value; }
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static inline float ImInvLength(const ImVec2& lhs, float fail_value) { float d = lhs.x*lhs.x + lhs.y*lhs.y; if (d > 0.0f) return 1.0f / ImSqrt(d); return fail_value; }
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static inline float ImFloor(float f) { return (float)(int)f; }
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static inline ImVec2 ImFloor(const ImVec2& v) { return ImVec2((float)(int)v.x, (float)(int)v.y); }
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static inline float ImDot(const ImVec2& a, const ImVec2& b) { return a.x * b.x + a.y * b.y; }
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static inline ImVec2 ImRotate(const ImVec2& v, float cos_a, float sin_a) { return ImVec2(v.x * cos_a - v.y * sin_a, v.x * sin_a + v.y * cos_a); }
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static inline float ImLinearSweep(float current, float target, float speed) { if (current < target) return ImMin(current + speed, target); if (current > target) return ImMax(current - speed, target); return current; }
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static inline ImVec2 ImMul(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x * rhs.x, lhs.y * rhs.y); }
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static inline float ImPow(float x, float y) { return powf(x, y); }
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static inline double ImPow(double x, double y) { return pow(x, y); }
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static inline float ImFmod(float x, float y) { return fmodf(x, y); }
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static inline double ImFmod(double x, double y) { return fmod(x, y); }
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//-----------------------------------------------------------------------------
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// Types
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