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change to graphic device.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1459 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com
2011-06-06 09:10:13 +00:00
parent 5284d6d52e
commit 80da4b9775
10 changed files with 52 additions and 69 deletions
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components/rtgui/common/dc_buffer.c
+12 -3
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@@ -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 ++)