static void rtgui_dc_buffer_draw_color_point(struct rtgui_dc *self, int x, int y, rtgui_color_t color)
{
struct rtgui_dc_buffer *dst;
unsigned r, g, b, a;
dst = (struct rtgui_dc_buffer *)self;
/* does not draw point out of dc */
if ((x > dst->width) || (y > dst->height)) return ;
r = RTGUI_RGB_R(color);
g = RTGUI_RGB_G(color);
b = RTGUI_RGB_B(color);
a = RTGUI_RGB_A(color);
switch (dst->pixel_format)
{
case RTGRAPHIC_PIXEL_FORMAT_RGB565:
DRAW_SETPIXELXY_RGB565(x, y);
break;
case RTGRAPHIC_PIXEL_FORMAT_BGR565:
DRAW_SETPIXELXY_BGR565(x, y);
break;
case RTGRAPHIC_PIXEL_FORMAT_RGB888:
DRAW_SETPIXELXY_RGB888(x, y);
break;
case RTGRAPHIC_PIXEL_FORMAT_ARGB888:
DRAW_SETPIXELXY_ARGB8888(x, y);
break;
}
}
static int
SDL_BlendPoint_RGB888(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r,
Uint8 g, Uint8 b, Uint8 a)
{
unsigned inva = 0xff - a;
switch (blendMode) {
case SDL_BLENDMODE_BLEND:
DRAW_SETPIXELXY_BLEND_RGB888(x, y);
break;
case SDL_BLENDMODE_ADD:
DRAW_SETPIXELXY_ADD_RGB888(x, y);
break;
case SDL_BLENDMODE_MOD:
DRAW_SETPIXELXY_MOD_RGB888(x, y);
break;
default:
DRAW_SETPIXELXY_RGB888(x, y);
break;
}
return 0;
}