93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
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#include <rtgui/rtgui_system.h>
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#include <rtgui/driver.h>
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static void _pixeldevice_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
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{
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switch (rtgui_graphic_get_device()->pixel_format)
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{
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case PIXEL_FORMAT_RGB565:
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{
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rt_uint16_t pixel;
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pixel = rtgui_color_to_565(*c);
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rt_device_write(rtgui_graphic_get_device()->device, PIXEL_POSITION(x, y), &pixel,
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sizeof(pixel));
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}
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break;
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case PIXEL_FORMAT_RGB888:
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{
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rt_uint32_t pixel;
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pixel = rtgui_color_to_888(*c);
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rt_device_write(rtgui_graphic_get_device()->device, PIXEL_POSITION(x, y), &pixel,
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3);
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}
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break;
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}
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}
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static void _pixeldevice_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
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{
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switch (rtgui_graphic_get_device()->pixel_format)
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{
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case PIXEL_FORMAT_RGB565:
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{
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rt_uint16_t pixel;
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rt_device_read(rtgui_graphic_get_device()->device, PIXEL_POSITION(x, y), &pixel,
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rtgui_graphic_get_device()->byte_per_pixel);
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/* get pixel from color */
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*c = rtgui_color_from_565(pixel);
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}
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break;
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case PIXEL_FORMAT_RGB888:
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{
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rt_uint32_t pixel;
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rt_device_read(rtgui_graphic_get_device()->device, PIXEL_POSITION(x, y), &pixel,
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3);
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/* get pixel from color */
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*c = rtgui_color_from_888(pixel);
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}
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break;
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}
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}
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static void _pixeldevice_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y)
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{
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rt_ubase_t index;
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for (index = x1; index < x2; index ++)
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_pixeldevice_set_pixel(c, index, y);
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}
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static void _pixeldevice_vline(rtgui_color_t *c, rt_base_t x , rt_base_t y1, rt_base_t y2)
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{
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rt_ubase_t index;
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for (index = y1; index < y2; index ++)
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_pixeldevice_set_pixel(c, x, index);
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}
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/* draw raw hline */
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static void _pixeldevice_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt_base_t y)
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{
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rt_device_write(rtgui_graphic_get_device()->device, PIXEL_POSITION(x1, y), pixels,
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(x2 - x1) * rtgui_graphic_get_device()->byte_per_pixel);
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}
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/* pixel device */
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const struct rtgui_graphic_driver_ops _pixeldevice_ops =
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{
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_pixeldevice_set_pixel,
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_pixeldevice_get_pixel,
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_pixeldevice_draw_hline,
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_pixeldevice_vline,
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_pixeldevice_draw_raw_hline,
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};
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const struct rtgui_graphic_driver_ops *rtgui_pixel_device_get_ops(int pixel_format)
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{
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return &_pixeldevice_ops;
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}
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