Changeset - r28784:f88622e76511
[Not reviewed]
master
0 1 0
frosch - 2 months ago 2024-02-18 15:30:54
frosch@openttd.org
Fix: Shadows of individual character glyphs could be drawn over other characters (#12115)
1 file changed with 8 insertions and 15 deletions:
0 comments (0 inline, 0 general)
src/gfx.cpp
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@@ -575,8 +575,9 @@ static int DrawLayoutLine(const Paragrap
 

	
 
	const uint shadow_offset = ScaleGUITrad(1);
 

	
 
	/* Draw shadow, then foreground */
 
	for (bool do_shadow : { true, false }) {
 
	TextColour colour = TC_BLACK;
 
	bool draw_shadow = false;
 
	for (int run_index = 0; run_index < line.CountRuns(); run_index++) {
 
		const ParagraphLayouter::VisualRun &run = line.GetVisualRun(run_index);
 
		const auto &glyphs = run.GetGlyphs();
 
@@ -585,14 +586,13 @@ static int DrawLayoutLine(const Paragrap
 

	
 
		FontCache *fc = f->fc;
 
		colour = f->colour;
 
		SetColourRemap(colour);
 
			if (do_shadow && (!fc->GetDrawGlyphShadow() || (colour & TC_NO_SHADE) != 0 || colour == TC_BLACK)) continue;
 
			SetColourRemap(do_shadow ? TC_BLACK : colour);
 

	
 
		DrawPixelInfo *dpi = _cur_dpi;
 
		int dpi_left  = dpi->left;
 
		int dpi_right = dpi->left + dpi->width - 1;
 

	
 
		draw_shadow = fc->GetDrawGlyphShadow() && (colour & TC_NO_SHADE) == 0 && colour != TC_BLACK;
 

	
 
		for (int i = 0; i < run.GetGlyphCount(); i++) {
 
			GlyphID glyph = glyphs[i];
 

	
 
@@ -610,24 +610,17 @@ static int DrawLayoutLine(const Paragrap
 
			/* Check clipping (the "+ 1" is for the shadow). */
 
			if (begin_x + sprite->x_offs > dpi_right || begin_x + sprite->x_offs + sprite->width /* - 1 + 1 */ < dpi_left) continue;
 

	
 
			if (draw_shadow && (glyph & SPRITE_GLYPH) == 0) {
 
				SetColourRemap(TC_BLACK);
 
				GfxMainBlitter(sprite, begin_x + shadow_offset, top + shadow_offset, BM_COLOUR_REMAP);
 
				SetColourRemap(colour);
 
			}
 
			GfxMainBlitter(sprite, begin_x, top, BM_COLOUR_REMAP);
 
				if (do_shadow && (glyph & SPRITE_GLYPH) != 0) continue;
 

	
 
				GfxMainBlitter(sprite, begin_x + (do_shadow ? shadow_offset : 0), top + (do_shadow ? shadow_offset : 0), BM_COLOUR_REMAP);
 
		}
 
	}
 

	
 
	if (truncation) {
 
		int x = (_current_text_dir == TD_RTL) ? left : (right - 3 * dot_width);
 
		for (int i = 0; i < 3; i++, x += dot_width) {
 
			if (draw_shadow) {
 
				SetColourRemap(TC_BLACK);
 
				GfxMainBlitter(dot_sprite, x + shadow_offset, y + shadow_offset, BM_COLOUR_REMAP);
 
				SetColourRemap(colour);
 
				GfxMainBlitter(dot_sprite, x + (do_shadow ? shadow_offset : 0), y + (do_shadow ? shadow_offset : 0), BM_COLOUR_REMAP);
 
			}
 
			GfxMainBlitter(dot_sprite, x, y, BM_COLOUR_REMAP);
 
		}
 
	}
 

	
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