Fix y calculation

mdboom · mdboom · commit e4048e747839 · 2015-11-08T06:29:37.000-05:00
diff --git a/src/_backend_agg.h b/src/_backend_agg.h
@@ -791,7 +791,7 @@ inline void RendererAgg::draw_text_image(GCAgg &gc, ImageArray &image, int x, in
         if (text.x2 > text.x1) {
             for (int yi = text.y1; yi < text.y2; ++yi) {
                 pixFmt.blend_solid_hspan(text.x1, yi, (text.x2 - text.x1), gc.color,
-                                         &image((yi - y) - image.dim(0), text.x1 - x));
+                                         &image(yi - (y - image.dim(0)), text.x1 - x));
             }
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -791,7 +791,7 @@ inline void RendererAgg::draw_text_image(GCAgg &gc, ImageArray &image, int x, in`
`791`	`791`	`if (text.x2 > text.x1) {`
`792`	`792`	`for (int yi = text.y1; yi < text.y2; ++yi) {`
`793`	`793`	`pixFmt.blend_solid_hspan(text.x1, yi, (text.x2 - text.x1), gc.color,`
`794`		`- &image((yi - y) - image.dim(0), text.x1 - x));`
	`794`	`+ &image(yi - (y - image.dim(0)), text.x1 - x));`
`795`	`795`	`}`
`796`	`796`	`}`
`797`	`797`	`}`