diff options
Diffstat (limited to 'components/rtgui/common/framebuffer_driver.c')
| -rw-r--r-- | components/rtgui/common/framebuffer_driver.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/components/rtgui/common/framebuffer_driver.c b/components/rtgui/common/framebuffer_driver.c new file mode 100644 index 0000000000..477e096eed --- /dev/null +++ b/components/rtgui/common/framebuffer_driver.c @@ -0,0 +1,225 @@ +#include <rtgui/rtgui_system.h>
+#include <rtgui/driver.h>
+
+#define GET_PIXEL(dst, x, y, type) \
+ (type *)((rt_uint8_t*)((dst)->framebuffer) + (y) * (dst)->pitch + (x) * (dst)->byte_per_pixel)
+
+static void _rgb565_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
+{
+ *GET_PIXEL(rtgui_graphic_get_device(), x, y, rt_uint16_t) = rtgui_color_to_565(*c);
+}
+
+static void _rgb565_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
+{
+ rt_uint16_t pixel;
+
+ pixel = *GET_PIXEL(rtgui_graphic_get_device(), x, y, rt_uint16_t);
+
+ /* get pixel from color */
+ *c = rtgui_color_from_565(pixel);
+}
+
+static void _rgb565_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y)
+{
+ rt_ubase_t index;
+ rt_uint16_t pixel;
+ rt_uint16_t *pixel_ptr;
+
+ /* get pixel from color */
+ pixel = rtgui_color_to_565(*c);
+
+ /* get pixel pointer in framebuffer */
+ pixel_ptr = GET_PIXEL(rtgui_graphic_get_device(), x1, y, rt_uint16_t);
+
+ for (index = x1; index < x2; index ++)
+ {
+ *pixel_ptr = pixel;
+ pixel_ptr ++;
+ }
+}
+
+static void _rgb565_draw_vline(rtgui_color_t *c, rt_base_t x , rt_base_t y1, rt_base_t y2)
+{
+ rt_uint8_t *dst;
+ rt_uint16_t pixel;
+ rt_ubase_t index;
+
+ pixel = rtgui_color_to_565(*c);
+ dst = GET_PIXEL(rtgui_graphic_get_device(), x, y1, rt_uint8_t);
+ for (index = y1; index < y2; index ++)
+ {
+ *(rt_uint16_t*)dst = pixel;
+ dst += rtgui_graphic_get_device()->pitch;
+ }
+}
+
+static void _rgb565p_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
+{
+ *GET_PIXEL(rtgui_graphic_get_device(), x, y, rt_uint16_t) = rtgui_color_to_565p(*c);
+}
+
+static void _rgb565p_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
+{
+ rt_uint16_t pixel;
+
+ pixel = *GET_PIXEL(rtgui_graphic_get_device(), x, y, rt_uint16_t);
+
+ /* get pixel from color */
+ *c = rtgui_color_from_565p(pixel);
+}
+
+static void _rgb565p_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y)
+{
+ rt_ubase_t index;
+ rt_uint16_t pixel;
+ rt_uint16_t *pixel_ptr;
+
+ /* get pixel from color */
+ pixel = rtgui_color_to_565p(*c);
+
+ /* get pixel pointer in framebuffer */
+ pixel_ptr = GET_PIXEL(rtgui_graphic_get_device(), x1, y, rt_uint16_t);
+
+ for (index = x1; index < x2; index ++)
+ {
+ *pixel_ptr = pixel;
+ pixel_ptr ++;
+ }
+}
+
+static void _rgb565p_draw_vline(rtgui_color_t *c, rt_base_t x , rt_base_t y1, rt_base_t y2)
+{
+ rt_uint8_t *dst;
+ rt_uint16_t pixel;
+ rt_ubase_t index;
+
+ pixel = rtgui_color_to_565p(*c);
+ dst = GET_PIXEL(rtgui_graphic_get_device(), x, y1, rt_uint8_t);
+ for (index = y1; index < y2; index ++)
+ {
+ *(rt_uint16_t*)dst = pixel;
+ dst += rtgui_graphic_get_device()->pitch;
+ }
+}
+
+/* draw raw hline */
+static void framebuffer_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt_base_t y)
+{
+ rt_uint8_t *dst;
+
+ dst = GET_PIXEL(rtgui_graphic_get_device(), x1, y, rt_uint8_t);
+ rt_memcpy(dst, pixels, (x2 - x1) * rtgui_graphic_get_device()->byte_per_pixel);
+}
+
+const struct rtgui_graphic_driver_ops _framebuffer_rgb565_ops =
+{
+ _rgb565_set_pixel,
+ _rgb565_get_pixel,
+ _rgb565_draw_hline,
+ _rgb565_draw_vline,
+ framebuffer_draw_raw_hline,
+};
+
+const struct rtgui_graphic_driver_ops _framebuffer_rgb565p_ops =
+{
+ _rgb565p_set_pixel,
+ _rgb565p_get_pixel,
+ _rgb565p_draw_hline,
+ _rgb565p_draw_vline,
+ framebuffer_draw_raw_hline,
+};
+
+#define FRAMEBUFFER (rtgui_graphic_get_device()->framebuffer)
+#define MONO_PIXEL(framebuffer, x, y) \
+ ((rt_uint8_t**)(framebuffer))[y/8][x]
+
+static void _mono_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
+{
+ if (*c == white)
+ MONO_PIXEL(FRAMEBUFFER, x, y) &= ~(1 << (y%8));
+ else
+ MONO_PIXEL(FRAMEBUFFER, x, y) |= (1 << (y%8));
+}
+
+static void _mono_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
+{
+ if (MONO_PIXEL(FRAMEBUFFER, x, y) & (1 << (y%8)))
+ *c = black;
+ else
+ *c = white;
+}
+
+static void _mono_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y)
+{
+ rt_ubase_t index;
+
+ if (*c == white)
+ for (index = x1; index < x2; index ++)
+ {
+ MONO_PIXEL(FRAMEBUFFER, index, y) &= ~(1 << (y%8));
+ }
+ else
+ for (index = x1; index < x2; index ++)
+ {
+ MONO_PIXEL(FRAMEBUFFER, index, y) |= (1 << (y%8));
+ }
+}
+
+static void _mono_draw_vline(rtgui_color_t *c, rt_base_t x , rt_base_t y1, rt_base_t y2)
+{
+ rt_ubase_t index;
+
+ if (*c == white)
+ for (index = y1; index < y2; index ++)
+ {
+ MONO_PIXEL(FRAMEBUFFER, x, index) &= ~(1 << (index%8));
+ }
+ else
+ for (index = y1; index < y2; index ++)
+ {
+ MONO_PIXEL(FRAMEBUFFER, x, index) |= (1 << (index%8));
+ }
+}
+
+/* draw raw hline */
+static void _mono_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt_base_t y)
+{
+ rt_ubase_t index;
+
+ for (index = x1; index < x2; index ++)
+ {
+ if (pixels[index/8] && (1 << (index % 8)))
+ MONO_PIXEL(FRAMEBUFFER, index, y) |= (1 << (y%8));
+ else
+ MONO_PIXEL(FRAMEBUFFER, index, y) &= ~(1 << (y%8));
+ }
+}
+
+const struct rtgui_graphic_driver_ops _framebuffer_mono_ops =
+{
+ _mono_set_pixel,
+ _mono_get_pixel,
+ _mono_draw_hline,
+ _mono_draw_vline,
+ _mono_draw_raw_hline,
+};
+
+const struct rtgui_graphic_driver_ops *rtgui_framebuffer_get_ops(int pixel_format)
+{
+ switch (pixel_format)
+ {
+ case PIXEL_FORMAT_MONO:
+ return &_framebuffer_mono_ops;
+ case PIXEL_FORMAT_GRAY4:
+ break;
+ case PIXEL_FORMAT_GRAY16:
+ break;
+ case PIXEL_FORMAT_RGB565:
+ return &_framebuffer_rgb565_ops;
+ case PIXEL_FORMAT_RGB565P:
+ return &_framebuffer_rgb565p_ops;
+ }
+
+ return RT_NULL;
+}
+
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