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Fonts: add optional out parameter to AddCustomRect()

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ocornut
2025-03-31 22:18:42 +02:00
parent 074bf39e40
commit 1ea9ff3677
2 changed files with 10 additions and 4 deletions
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12
imgui_draw.cpp
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@@ -3225,7 +3225,8 @@ void ImFontAtlas::RemoveFont(ImFont* font)
ImFontAtlasBuildNotifySetFont(this, font, new_current_font);
}
ImFontAtlasRectId ImFontAtlas::AddCustomRect(int width, int height)
// At it is common to do an AddCustomRect() followed by a GetCustomRect(), we provide an optional 'ImFontAtlasRect* out_r = NULL' argument to retrieve the info straight away.
ImFontAtlasRectId ImFontAtlas::AddCustomRect(int width, int height, ImFontAtlasRect* out_r)
{
IM_ASSERT(width > 0 && width <= 0xFFFF);
IM_ASSERT(height > 0 && height <= 0xFFFF);
@@ -3236,9 +3237,14 @@ ImFontAtlasRectId ImFontAtlas::AddCustomRect(int width, int height)
ImFontAtlasRectId r_id = ImFontAtlasPackAddRect(this, width, height);
if (r_id == ImFontAtlasRectId_Invalid)
return ImFontAtlasRectId_Invalid;
ImTextureRect* r = ImFontAtlasPackGetRect(this, r_id);
if (out_r != NULL)
GetCustomRect(r_id, out_r);
if (RendererHasTextures)
{
ImTextureRect* r = ImFontAtlasPackGetRect(this, r_id);
ImFontAtlasTextureBlockQueueUpload(this, TexData, r->x, r->y, r->w, r->h);
}
return r_id;
}
@@ -4321,7 +4327,7 @@ ImFontAtlasRectId ImFontAtlasPackAddRect(ImFontAtlas* atlas, int w, int h, ImFon
return ImFontAtlasPackAllocRectEntry(atlas, builder->Rects.Size - 1);
}
// Important: don'return pointer valid until next call to AddRect(), e.g. FindGlyph(), CalcTextSize() can all potentially invalidate previous pointers.
// Important: return pointer is valid until next call to AddRect(), e.g. FindGlyph(), CalcTextSize() can all potentially invalidate previous pointers.
ImTextureRect* ImFontAtlasPackGetRect(ImFontAtlas* atlas, ImFontAtlasRectId id)
{
IM_ASSERT(id != ImFontAtlasRectId_Invalid);