diff options
Diffstat (limited to 'imgui/misc/freetype/imgui_freetype.cpp')
| -rw-r--r-- | imgui/misc/freetype/imgui_freetype.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/imgui/misc/freetype/imgui_freetype.cpp b/imgui/misc/freetype/imgui_freetype.cpp index 4066a9a6..03255326 100644 --- a/imgui/misc/freetype/imgui_freetype.cpp +++ b/imgui/misc/freetype/imgui_freetype.cpp @@ -508,7 +508,7 @@ bool ImFontAtlasBuildWithFreeTypeEx(FT_Library ft_library, ImFontAtlas* atlas, u // Allocate temporary rasterization data buffers. // We could not find a way to retrieve accurate glyph size without rendering them. // (e.g. slot->metrics->width not always matching bitmap->width, especially considering the Oblique transform) - // We allocate in chunks of 256 KB to not waste too much extra memory ahead. Hopefully users of FreeType won't find the temporary allocations. + // We allocate in chunks of 256 KB to not waste too much extra memory ahead. Hopefully users of FreeType won't mind the temporary allocations. const int BITMAP_BUFFERS_CHUNK_SIZE = 256 * 1024; int buf_bitmap_current_used_bytes = 0; ImVector<unsigned char*> buf_bitmap_buffers; @@ -556,6 +556,7 @@ bool ImFontAtlasBuildWithFreeTypeEx(FT_Library ft_library, ImFontAtlas* atlas, u buf_bitmap_current_used_bytes = 0; buf_bitmap_buffers.push_back((unsigned char*)IM_ALLOC(BITMAP_BUFFERS_CHUNK_SIZE)); } + IM_ASSERT(buf_bitmap_current_used_bytes + bitmap_size_in_bytes <= BITMAP_BUFFERS_CHUNK_SIZE); // We could probably allocate custom-sized buffer instead. // Blit rasterized pixels to our temporary buffer and keep a pointer to it. src_glyph.BitmapData = (unsigned int*)(buf_bitmap_buffers.back() + buf_bitmap_current_used_bytes); |