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Fonts: ImFontAtlas accept DrawListSharedData not being set.

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ocornut
2024-12-02 21:07:26 +01:00
parent 43cc3fc8b1
commit ac13683c26
1 changed files with 10 additions and 3 deletions
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13
imgui_draw.cpp
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@@ -2629,8 +2629,11 @@ void ImFontAtlas::ClearFonts()
ClearInputData();
Fonts.clear_delete();
TexIsBuilt = false;
DrawListSharedData->Font = NULL;
DrawListSharedData->FontScale = DrawListSharedData->FontSize = 0.0f;
if (DrawListSharedData)
{
DrawListSharedData->Font = NULL;
DrawListSharedData->FontScale = DrawListSharedData->FontSize = 0.0f;
}
}
void ImFontAtlas::Clear()
@@ -3155,7 +3158,7 @@ bool ImFontAtlas::Build()
// [LEGACY] For backends not supporting RendererHasTextures: preload all glyphs
ImFontAtlasBuildUpdateRendererHasTexturesFromContext(this);
if (DrawListSharedData->RendererHasTextures == false) // ~ImGuiBackendFlags_RendererHasTextures
if (DrawListSharedData && DrawListSharedData->RendererHasTextures == false) // ~ImGuiBackendFlags_RendererHasTextures
ImFontAtlasBuildPreloadAllGlyphRanges(this);
TexIsBuilt = true;
@@ -3493,6 +3496,8 @@ void ImFontAtlasRemoveDrawListSharedData(ImFontAtlas* atlas, ImDrawListSharedDat
void ImFontAtlasUpdateDrawListsTextures(ImFontAtlas* atlas, ImTextureRef old_tex, ImTextureRef new_tex)
{
ImDrawListSharedData* shared_data = atlas->DrawListSharedData;
if (shared_data == NULL)
return;
for (ImDrawList* draw_list : shared_data->DrawLists)
{
// Replace in command-buffer
@@ -3512,6 +3517,8 @@ void ImFontAtlasUpdateDrawListsTextures(ImFontAtlas* atlas, ImTextureRef old_tex
void ImFontAtlasUpdateDrawListsSharedData(ImFontAtlas* atlas)
{
ImDrawListSharedData* shared_data = atlas->DrawListSharedData;
if (shared_data == NULL)
return;
shared_data->FontAtlas = atlas;
shared_data->TexUvWhitePixel = atlas->TexUvWhitePixel;
shared_data->TexUvLines = atlas->TexUvLines;