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add blit_line to DC.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@858 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong
2010-08-17 11:33:18 +00:00
parent 4a0c2aa831
commit cf6882f35b
8 changed files with 199 additions and 146 deletions
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23
components/rtgui/common/dc_buffer.c
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@@ -44,6 +44,7 @@ static void rtgui_dc_buffer_draw_color_point(struct rtgui_dc* dc, int x, int y,
static void rtgui_dc_buffer_draw_vline(struct rtgui_dc* dc, int x, int y1, int y2);
static void rtgui_dc_buffer_draw_hline(struct rtgui_dc* dc, int x1, int x2, int y);
static void rtgui_dc_buffer_fill_rect (struct rtgui_dc* dc, struct rtgui_rect* rect);
static void rtgui_dc_buffer_blit_line(struct rtgui_dc* self, int x1, int x2, int y, rt_uint8_t* line_data);
static void rtgui_dc_buffer_blit(struct rtgui_dc* self, struct rtgui_point* dc_point,
struct rtgui_dc* dest, rtgui_rect_t* rect);
@@ -60,6 +61,7 @@ const static struct rtgui_dc_engine dc_buffer_engine =
rtgui_dc_buffer_draw_vline,
rtgui_dc_buffer_draw_hline,
rtgui_dc_buffer_fill_rect,
rtgui_dc_buffer_blit_line,
rtgui_dc_buffer_blit,
rtgui_dc_buffer_set_gc,
@@ -244,7 +246,7 @@ static void rtgui_dc_buffer_blit(struct rtgui_dc* self, struct rtgui_point* dc_p
/* it's the same byte per pixel, draw it directly */
for (index = rect->y1; index < rect->y1 + rect_height; index++)
{
rtgui_dc_client_draw_raw_hline(hw, pixels, rect->x1, rect->x1 + rect_width, index);
dest->engine->blit_line(dest, rect->x1, rect->x1 + rect_width, index, pixels);
pixels += dc->width * sizeof(rtgui_color_t);
}
}
@@ -265,7 +267,7 @@ static void rtgui_dc_buffer_blit(struct rtgui_dc* self, struct rtgui_point* dc_p
pixels += dc->width * sizeof(rtgui_color_t);
/* draw on hardware dc */
rtgui_dc_client_draw_raw_hline(hw, line_ptr, rect->x1, rect->x1 + rect_width, index);
dest->engine->blit_line(dest, rect->x1, rect->x1 + rect_width, index, line_ptr);
}
/* release line buffer */
@@ -274,6 +276,23 @@ static void rtgui_dc_buffer_blit(struct rtgui_dc* self, struct rtgui_point* dc_p
}
}
static void rtgui_dc_buffer_blit_line(struct rtgui_dc* self, int x1, int x2, int y, rt_uint8_t* line_data)
{
rtgui_color_t* color_ptr;
struct rtgui_dc_buffer* dc = (struct rtgui_dc_buffer*)self;
RT_ASSERT(dc != RT_NULL);
RT_ASSERT(line_data != RT_NULL);
/* out of range */
if ((x1 > dc->width) || (y > dc->height)) return;
/* check range */
if (x2 > dc->width) x2 = dc->width;
color_ptr = (rtgui_color_t*)(dc->pixel + y * dc->pitch + x1 * sizeof(rtgui_color_t));
rt_memcpy(color_ptr, line_data, (x2 - x1) * sizeof(rtgui_color_t));
}
static void rtgui_dc_buffer_set_gc(struct rtgui_dc* self, rtgui_gc_t *gc)
{
struct rtgui_dc_buffer* dc = (struct rtgui_dc_buffer*)self;