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Add ImFontConfig::GlyphExtraAdvanceX as a replacement for GlyphExtraSpacing.x (#242)

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Partly restore 1a31e31.
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ocornut 2025-02-06 12:34:37 +01:00
parent 2d20e13746
commit cfed18afc7
4 changed files with 8 additions and 5 deletions
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3
docs/CHANGELOG.txt
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@ -41,8 +41,7 @@ HOW TO UPDATE?
Breaking changes:
- Removed ImFontConfig::GlyphExtraSpacing option which seems largely obsolete and
unused. If you were using this please report it! (#242).
- Renamed ImFontConfig::GlyphExtraSpacing.x option to GlyphExtraAdvanceX. (#242)
Other changes:

2
imgui.cpp
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@ -430,7 +430,7 @@ CODE
When you are not sure about an old symbol or function name, try using the Search/Find function of your IDE to look for comments or references in all imgui files.
You can read releases logs https://github.com/ocornut/imgui/releases for more details.
- 2025/02/03 (1.91.9) - removed ImFontConfig::GlyphExtraSpacing option which seems largely obsolete and unused. If you were using this please report it!
- 2025/02/06 (1.91.9) - renamed ImFontConfig::GlyphExtraSpacing.x to ImFontConfig::GlyphExtraAdvanceX.
- 2025/01/22 (1.91.8) - removed ImGuiColorEditFlags_AlphaPreview (made value 0): it is now the default behavior.
prior to 1.91.8: alpha was made opaque in the preview by default _unless_ using ImGuiColorEditFlags_AlphaPreview. We now display the preview as transparent by default. You can use ImGuiColorEditFlags_AlphaOpaque to use old behavior.
the new flags (ImGuiColorEditFlags_AlphaOpaque, ImGuiColorEditFlags_AlphaNoBg + existing ImGuiColorEditFlags_AlphaPreviewHalf) may be combined better and allow finer controls:

5
imgui.h
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@ -29,7 +29,7 @@
// Library Version
// (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
#define IMGUI_VERSION "1.91.9 WIP"
#define IMGUI_VERSION_NUM 19182
#define IMGUI_VERSION_NUM 19183
#define IMGUI_HAS_TABLE
/*
@ -3257,11 +3257,12 @@ struct ImFontConfig
int OversampleH; // 0 (2) // Rasterize at higher quality for sub-pixel positioning. 0 == auto == 1 or 2 depending on size. Note the difference between 2 and 3 is minimal. You can reduce this to 1 for large glyphs save memory. Read https://github.com/nothings/stb/blob/master/tests/oversample/README.md for details.
int OversampleV; // 0 (1) // Rasterize at higher quality for sub-pixel positioning. 0 == auto == 1. This is not really useful as we don't use sub-pixel positions on the Y axis.
float SizePixels; // // Size in pixels for rasterizer (more or less maps to the resulting font height).
//ImVec2 GlyphExtraSpacing; // 0, 0 // (REMOVED AT IT SEEMS LARGELY OBSOLETE. PLEASE REPORT IF YOU WERE USING THIS). Extra spacing (in pixels) between glyphs when rendered: essentially add to glyph->AdvanceX. Only X axis is supported for now.
//ImVec2 GlyphExtraSpacing; // 0, 0 // (REMOVED IN 1.91.9: use GlyphExtraAdvanceX)
ImVec2 GlyphOffset; // 0, 0 // Offset all glyphs from this font input.
const ImWchar* GlyphRanges; // NULL // THE ARRAY DATA NEEDS TO PERSIST AS LONG AS THE FONT IS ALIVE. Pointer to a user-provided list of Unicode range (2 value per range, values are inclusive, zero-terminated list).
float GlyphMinAdvanceX; // 0 // Minimum AdvanceX for glyphs, set Min to align font icons, set both Min/Max to enforce mono-space font
float GlyphMaxAdvanceX; // FLT_MAX // Maximum AdvanceX for glyphs
float GlyphExtraAdvanceX; // 0 // Extra spacing (in pixels) between glyphs. Please contact us if you are using this.
unsigned int FontBuilderFlags; // 0 // Settings for custom font builder. THIS IS BUILDER IMPLEMENTATION DEPENDENT. Leave as zero if unsure.
float RasterizerMultiply; // 1.0f // Linearly brighten (>1.0f) or darken (<1.0f) font output. Brightening small fonts may be a good workaround to make them more readable. This is a silly thing we may remove in the future.
float RasterizerDensity; // 1.0f // DPI scale for rasterization, not altering other font metrics: make it easy to swap between e.g. a 100% and a 400% fonts for a zooming display. IMPORTANT: If you increase this it is expected that you increase font scale accordingly, otherwise quality may look lowered.

3
imgui_draw.cpp
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@ -3858,6 +3858,9 @@ void ImFont::AddGlyph(const ImFontConfig* cfg, ImWchar codepoint, float x0, floa
// Snap to pixel
if (cfg->PixelSnapH)
advance_x = IM_ROUND(advance_x);
// Bake extra spacing
advance_x += cfg->GlyphExtraAdvanceX;
}
int glyph_idx = Glyphs.Size;