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Don't upload glyphs with no width or height

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The SDLTexture renderer gives annoying errors otherwise
This commit is contained in:
Clownacy 2020-11-03 13:33:32 +00:00
parent 5395196b52
commit 9e9b8942a5
1 changed files with 4 additions and 2 deletions
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6
src/Font.cpp
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@ -1082,7 +1082,8 @@ static Glyph* GetGlyph(Font *font, unsigned long unicode_value)
glyph->y_offset = (font->face->size->metrics.ascender + (64 / 2)) / 64 - font->face->glyph->bitmap_top;
glyph->x_advance = font->face->glyph->advance.x / 64;
RenderBackend_UploadGlyph(font->atlas, glyph->x, glyph->y, bitmap.buffer, glyph->width, glyph->height, glyph->width);
if (glyph->width != 0 && glyph->height != 0) // Some glyphs are just plain empty - don't bother trying to upload them
RenderBackend_UploadGlyph(font->atlas, glyph->x, glyph->y, bitmap.buffer, glyph->width, glyph->height, glyph->width);
FT_Bitmap_Done(font->library, &bitmap);
@ -1121,7 +1122,8 @@ static Glyph* GetGlyph(Font *font, unsigned long unicode_value)
glyph->y_offset = 0;
glyph->x_advance = local_glyph->x_advance;
RenderBackend_UploadGlyph(font->atlas, glyph->x, glyph->y, &font->image_buffer[local_glyph->y * font->image_buffer_width + local_glyph->x], glyph->width, glyph->height, font->image_buffer_width);
if (glyph->width != 0 && glyph->height != 0) // Some glyphs are just plain empty - don't bother trying to upload them
RenderBackend_UploadGlyph(font->atlas, glyph->x, glyph->y, &font->image_buffer[local_glyph->y * font->image_buffer_width + local_glyph->x], glyph->width, glyph->height, font->image_buffer_width);
*glyph_pointer = glyph->next;
glyph->next = font->glyph_list_head;