[feat] 低质量ttf render

2026-06-06 09:00:56 +08:00
parent 3d47667c2f
commit 500d302ea9
15 changed files with 914 additions and 17 deletions
@@ -10,3 +10,6 @@ void global_draw_rect(SUINT32 bx, SUINT32 by, SUINT32 ex, SUINT32 ey,
 void draw_pixel(SUINT32 x, SUINT32 y, EFI_GRAPHICS_OUTPUT_BLT_PIXEL color);
 void draw_rect(SUINT32 bx, SUINT32 by, SUINT32 ex, SUINT32 ey,
    EFI_GRAPHICS_OUTPUT_BLT_PIXEL color);
+
+// Alpha blend (alpha 0..255). dest = src*alpha/255 + dest*(255-alpha)/255.
+void draw_pixel_alpha(SUINT32 x, SUINT32 y, EFI_GRAPHICS_OUTPUT_BLT_PIXEL color, SUINT8 alpha);