diff options
| author | [email protected] <[email protected]> | 2011-06-05 15:16:41 +0000 |
|---|---|---|
| committer | [email protected] <[email protected]> | 2011-06-05 15:16:41 +0000 |
| commit | bbf68d15e513d4799f651acd4fd9f88fe3a03ffd (patch) | |
| tree | 373cff350b3df4b8326df7a6e698a41a9f496c19 /components/rtgui/common/pixel_driver.c | |
| parent | b936b13ed25d596694517bff813c0c72c3769b3c (diff) | |
change graphic driver as RT-Thread device driver
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1454 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'components/rtgui/common/pixel_driver.c')
| -rw-r--r-- | components/rtgui/common/pixel_driver.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/components/rtgui/common/pixel_driver.c b/components/rtgui/common/pixel_driver.c new file mode 100644 index 0000000000..1140acc66c --- /dev/null +++ b/components/rtgui/common/pixel_driver.c @@ -0,0 +1,92 @@ +#include <rtgui/rtgui_system.h>
+#include <rtgui/driver.h>
+
+static void _pixeldevice_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
+{
+ switch (rtgui_graphic_get_device()->pixel_format)
+ {
+ case PIXEL_FORMAT_RGB565:
+ {
+ rt_uint16_t pixel;
+ pixel = rtgui_color_to_565(*c);
+ rt_device_write(rtgui_graphic_get_device()->device, PIXEL_POSITION(x, y), &pixel,
+ sizeof(pixel));
+ }
+ break;
+
+ case PIXEL_FORMAT_RGB888:
+ {
+ rt_uint32_t pixel;
+ pixel = rtgui_color_to_888(*c);
+ rt_device_write(rtgui_graphic_get_device()->device, PIXEL_POSITION(x, y), &pixel,
+ 3);
+ }
+
+ break;
+ }
+}
+
+static void _pixeldevice_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
+{
+ switch (rtgui_graphic_get_device()->pixel_format)
+ {
+ case PIXEL_FORMAT_RGB565:
+ {
+ rt_uint16_t pixel;
+ rt_device_read(rtgui_graphic_get_device()->device, PIXEL_POSITION(x, y), &pixel,
+ rtgui_graphic_get_device()->byte_per_pixel);
+ /* get pixel from color */
+ *c = rtgui_color_from_565(pixel);
+ }
+ break;
+
+ case PIXEL_FORMAT_RGB888:
+ {
+ rt_uint32_t pixel;
+ rt_device_read(rtgui_graphic_get_device()->device, PIXEL_POSITION(x, y), &pixel,
+ 3);
+ /* get pixel from color */
+ *c = rtgui_color_from_888(pixel);
+ }
+ break;
+ }
+}
+
+static void _pixeldevice_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y)
+{
+ rt_ubase_t index;
+
+ for (index = x1; index < x2; index ++)
+ _pixeldevice_set_pixel(c, index, y);
+}
+
+static void _pixeldevice_vline(rtgui_color_t *c, rt_base_t x , rt_base_t y1, rt_base_t y2)
+{
+ rt_ubase_t index;
+
+ for (index = y1; index < y2; index ++)
+ _pixeldevice_set_pixel(c, x, index);
+}
+
+/* draw raw hline */
+static void _pixeldevice_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt_base_t y)
+{
+ rt_device_write(rtgui_graphic_get_device()->device, PIXEL_POSITION(x1, y), pixels,
+ (x2 - x1) * rtgui_graphic_get_device()->byte_per_pixel);
+}
+
+/* pixel device */
+const struct rtgui_graphic_driver_ops _pixeldevice_ops =
+{
+ _pixeldevice_set_pixel,
+ _pixeldevice_get_pixel,
+ _pixeldevice_draw_hline,
+ _pixeldevice_vline,
+ _pixeldevice_draw_raw_hline,
+};
+
+const struct rtgui_graphic_driver_ops *rtgui_pixel_device_get_ops(int pixel_format)
+{
+ return &_pixeldevice_ops;
+}
+
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