diff options
Diffstat (limited to 'components/rtgui/common/dc_buffer.c')
| -rw-r--r-- | components/rtgui/common/dc_buffer.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/components/rtgui/common/dc_buffer.c b/components/rtgui/common/dc_buffer.c index 730156e89c..7677fa9dd5 100644 --- a/components/rtgui/common/dc_buffer.c +++ b/components/rtgui/common/dc_buffer.c @@ -20,6 +20,11 @@ #define hw_driver (rtgui_graphic_driver_get_default()) +#define RTGUI_BLENDMODE_NONE 0x00 +#define RTGUI_BLENDMODE_BLEND 0x01 +#define RTGUI_BLENDMODE_ADD 0x02 +#define RTGUI_BLENDMODE_MOD 0x03 + struct rtgui_dc_buffer { struct rtgui_dc parent; @@ -27,6 +32,10 @@ struct rtgui_dc_buffer /* graphic context */ rtgui_gc_t gc; + /* pixel format */ + rt_uint8_t pixel_format; + rt_uint8_t blend_mode; + /* width and height */ rt_uint16_t width, height; rt_uint16_t pitch; @@ -240,7 +249,7 @@ static void rtgui_dc_buffer_blit(struct rtgui_dc* self, struct rtgui_point* dc_p /* prepare pixel line */ pixels = dc->pixel + dc_point->y * dc->pitch + dc_point->x * sizeof(rtgui_color_t); - if (hw_driver->byte_per_pixel == sizeof(rtgui_color_t)) + if (hw_driver->bits_per_pixel == sizeof(rtgui_color_t) * 8) { /* it's the same byte per pixel, draw it directly */ for (index = rect->y1; index < rect->y1 + rect_height; index++) @@ -252,11 +261,11 @@ static void rtgui_dc_buffer_blit(struct rtgui_dc* self, struct rtgui_point* dc_p else { /* get blit line function */ - blit_line = rtgui_blit_line_get(hw_driver->byte_per_pixel, 4); + blit_line = rtgui_blit_line_get(hw_driver->bits_per_pixel/8, 4); /* calculate pitch */ pitch = rect_width * sizeof(rtgui_color_t); /* create line buffer */ - line_ptr = (rt_uint8_t*) rtgui_malloc(rect_width * hw_driver->byte_per_pixel); + line_ptr = (rt_uint8_t*) rtgui_malloc(rect_width * hw_driver->bits_per_pixel/8); /* draw each line */ for (index = rect->y1; index < rect->y1 + rect_height; index ++) |