shithub: microui

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fix alpha handling, use draw.h funcs to construct rects/points

--- a/demo/renderer_plan9.c

+++ b/demo/renderer_plan9.c

@@ -25,7 +25,7 @@

 	diff = 0;

 	leasti = 0;

-	c = color.r<<24 | color.g<<16 | color.b<<8 | color.a;

+	c = setalpha(color.r<<24 | color.g<<16 | color.b<<8, color.a);

 	if (c == DBlack)

 		return display->black;

 	if (c == DWhite)

@@ -43,13 +43,13 @@

 	if (i >= nelem(colors)) {

 		freeimage(colors[leasti]);

 		rgba[leasti] = c;

-		colors[leasti] = allocimage(display, (Rectangle){ZP, (Point){1, 1}}, RGBA32, 1, c);

+		colors[leasti] = allocimage(display, Rect(0, 0, 1, 1), RGBA32, 1, c);

 		lastused[leasti] = frame;

 		return colors[leasti];

 	}

 	rgba[numcolors] = c;

-	colors[numcolors] = allocimage(display, (Rectangle){ZP, (Point){1, 1}}, RGBA32, 1, c);

+	colors[numcolors] = allocimage(display, Rect(0, 0, 1, 1), RGBA32, 1, c);

 	return colors[numcolors++];

 }

@@ -93,12 +93,7 @@

 void

 r_draw_text(mu_Font font, const char *text, mu_Vec2 pos, mu_Color color) {

-	Point p;

-

-	p = screen->r.min;

-	p.x += pos.x;

-	p.y += pos.y;

-	string(screen, p, getcolor(color), ZP, font, text);

+	string(screen, addpt(screen->r.min, Pt(pos.x, pos.y)), getcolor(color), ZP, font, text);

 }

 void

@@ -111,7 +106,7 @@

 	rect.w = atlas[id].w;

 	rect.h = atlas[id].h;

 	r = screenrect(rect);

-	draw(screen, r, atlasimage, nil, (Point){atlas[id].x, atlas[id].y});

+	draw(screen, r, atlasimage, nil, Pt(atlas[id].x, atlas[id].y));

 }

 int