/* draw raw hline */
static void framebuffer_draw_raw_hline(rt_uint8_t *pixels, int x1, int x2, int y)
{
struct rtgui_graphic_driver *drv;
rt_uint8_t *dst;
drv = rtgui_graphic_get_device();
dst = GET_PIXEL(drv, x1, y, rt_uint8_t);
memcpy(dst, pixels,
(x2 - x1) * _UI_BITBYTES(drv->bits_per_pixel));
}
rt_uint8_t rtgui_color_get_bpp(rt_uint8_t pixel_format)
{
rt_uint8_t bpp = 4;
if (pixel_format <= RTGRAPHIC_PIXEL_FORMAT_ARGB888)
{
bpp = _UI_BITBYTES(pixel_bits_table[pixel_format]);
}
return bpp;
}
static rt_bool_t rtgui_image_hdc_load(struct rtgui_image *image, struct rtgui_filerw *file, rt_bool_t load)
{
rt_uint32_t header[5];
struct rtgui_image_hdc *hdc;
hdc = (struct rtgui_image_hdc *) rtgui_malloc(sizeof(struct rtgui_image_hdc));
if (hdc == RT_NULL) return RT_FALSE;
hdc->hw_driver = rtgui_graphic_driver_get_default();
if (hdc->hw_driver == RT_NULL)
{
rtgui_free(hdc);
return RT_FALSE;
}
rtgui_filerw_read(file, (char *)&header, 1, sizeof(header));
/* set image information */
image->w = (rt_uint16_t)header[1];
image->h = (rt_uint16_t)header[2];
image->engine = &rtgui_image_hdc_engine;
image->data = hdc;
hdc->filerw = file;
hdc->byte_per_pixel = _UI_BITBYTES(hdc->hw_driver->bits_per_pixel);
hdc->pitch = image->w * hdc->byte_per_pixel;
hdc->pixel_offset = rtgui_filerw_tell(file);
if (load == RT_TRUE)
{
/* load all pixels */
hdc->pixels = rtgui_malloc(image->h * hdc->pitch);
if (hdc->pixels == RT_NULL)
{
/* release data */
rtgui_free(hdc);
return RT_FALSE;
}
rtgui_filerw_read(hdc->filerw, hdc->pixels, 1, image->h * hdc->pitch);
rtgui_filerw_close(hdc->filerw);
hdc->filerw = RT_NULL;
hdc->pixel_offset = 0;
}
else
{
hdc->pixels = RT_NULL;
}
return RT_TRUE;
}
static void _graphic_driver_vmode_init(void)
{
if (_vfb_driver.width != _driver.width || _vfb_driver.height != _driver.height)
{
if (_vfb_driver.framebuffer != RT_NULL) rtgui_free((void*)_vfb_driver.framebuffer);
_vfb_driver.device = RT_NULL;
_vfb_driver.pixel_format = RTGUI_VFB_PIXEL_FMT;
_vfb_driver.bits_per_pixel = rtgui_color_get_bits(RTGUI_VFB_PIXEL_FMT);
_vfb_driver.width = _driver.width;
_vfb_driver.height = _driver.height;
_vfb_driver.pitch = _driver.width * _UI_BITBYTES(_vfb_driver.bits_per_pixel);
_vfb_driver.framebuffer = rtgui_malloc(_vfb_driver.height * _vfb_driver.pitch);
_vfb_driver.ext_ops = RT_NULL;
_vfb_driver.ops = rtgui_framebuffer_get_ops(_vfb_driver.pixel_format);
}
}
/* blit a dc to another dc */
static void rtgui_dc_buffer_blit(struct rtgui_dc *self, struct rtgui_point *dc_pt, struct rtgui_dc *dest, rtgui_rect_t *rect)
{
int pitch;
rt_uint16_t rect_width, rect_height;
struct rtgui_rect _rect, *dest_rect;
struct rtgui_point dc_point;
struct rtgui_dc_buffer *dc = (struct rtgui_dc_buffer *)self;
if (rtgui_dc_get_visible(dest) == RT_FALSE)
return;
/* use the (0,0) origin point */
if (dc_pt == RT_NULL)
dc_point = rtgui_empty_point;
else
{
dc_point = *dc_pt;
}
rtgui_dc_get_rect(dest, &_rect);
/* use the rect of dest dc */
if (rect == RT_NULL)
{
dest_rect = &_rect;
}
else
{
dest_rect = rect;
if (dest_rect->x1 > _rect.x2 || dest_rect->y1 > _rect.y2)
return;
if (dest_rect->x1 < 0)
{
if (-dest_rect->x1 > dc->width)
return;
dc_point.x += -dest_rect->x1;
dest_rect->x1 = 0;
}
if (dest_rect->y1 < 0)
{
if (-dest_rect->y1 > dc->height)
return;
dc_point.y += -dest_rect->y1;
dest_rect->y1 = 0;
}
if (dest_rect->x2 > _rect.x2)
dest_rect->x2 = _rect.x2;
if (dest_rect->y2 > _rect.y2)
dest_rect->y2 = _rect.y2;
}
if (dc_point.x > dc->width || dc_point.y > dc->height)
return;
/* get the minimal width and height */
rect_width = _UI_MIN(rtgui_rect_width(*dest_rect), dc->width - dc_point.x);
rect_height = _UI_MIN(rtgui_rect_height(*dest_rect), dc->height - dc_point.y);
if ((dest->type == RTGUI_DC_HW) || (dest->type == RTGUI_DC_CLIENT))
{
int index;
rt_uint8_t *line_ptr, *pixels;
rtgui_blit_line_func blit_line;
struct rtgui_graphic_driver *hw_driver;
hw_driver = rtgui_graphic_driver_get_default();
/* prepare pixel line */
pixels = _dc_get_pixel(dc, dc_point.x, dc_point.y);
if (hw_driver->bits_per_pixel == _dc_get_bits_per_pixel(dc))
{
if (dest->type == RTGUI_DC_HW && hw_driver->framebuffer != RT_NULL)
{
rt_uint8_t *hw_pixels;
struct rtgui_dc_hw *hw;
hw = (struct rtgui_dc_hw*)dest;
/* NOTES: the rect of DC is the logic coordination.
* It should be converted to client
*/
if (dest_rect != &_rect)
{
/* use local rect */
_rect = *dest_rect;
dest_rect = &_rect;
}
rtgui_rect_moveto(dest_rect, hw->owner->extent.x1, hw->owner->extent.y1);
pitch = rtgui_color_get_bpp(hw_driver->pixel_format) * rect_width;
hw_pixels = (rt_uint8_t*)(hw_driver->framebuffer + dest_rect->y1 * hw_driver->pitch +
dest_rect->x1 * rtgui_color_get_bpp(hw_driver->pixel_format));
/* do the blit with memory copy */
for (index = 0; index < rect_height; index ++)
{
rt_memcpy(hw_pixels, pixels, pitch);
pixels += dc->pitch;
hw_pixels += hw_driver->pitch;
}
}
else
{
/* it's the same bits per pixel, draw it directly */
for (index = dest_rect->y1; index < dest_rect->y1 + rect_height; index++)
{
dest->engine->blit_line(dest, dest_rect->x1, dest_rect->x1 + rect_width, index, pixels);
pixels += dc->pitch;
}
}
}
else
{
struct rtgui_graphic_driver *hw_driver;
hw_driver = rtgui_graphic_driver_get_default();
if ((dc->pixel_format == RTGRAPHIC_PIXEL_FORMAT_ARGB888) && (dest->type == RTGUI_DC_HW) &&
(hw_driver->framebuffer != RT_NULL) &&
(hw_driver->pixel_format == RTGRAPHIC_PIXEL_FORMAT_RGB565))
{
/* do the fast ARGB to RGB565 blit */
struct rtgui_blit_info info;
struct rtgui_widget *owner;
/* blit source */
info.src = _dc_get_pixel(dc, dc_point.x, dc_point.y);
info.src_fmt = dc->pixel_format;
info.src_h = rect_height;
info.src_w = rect_width;
info.src_pitch = dc->pitch;
info.src_skip = info.src_pitch - info.src_w * rtgui_color_get_bpp(dc->pixel_format);
owner = ((struct rtgui_dc_hw*)dest)->owner;
/* blit destination */
info.dst = (rt_uint8_t*)hw_driver->framebuffer;
info.dst = info.dst + (owner->extent.y1 + dest_rect->y1) * hw_driver->pitch +
(owner->extent.x1 + dest_rect->x1) * rtgui_color_get_bpp(hw_driver->pixel_format);
info.dst_fmt = hw_driver->pixel_format;
info.dst_h = rect_height;
info.dst_w = rect_width;
info.dst_pitch = hw_driver->pitch;
info.dst_skip = info.dst_pitch - info.dst_w * rtgui_color_get_bpp(hw_driver->pixel_format);
rtgui_blit(&info);
}
else
{
/* get blit line function */
blit_line = rtgui_blit_line_get(_UI_BITBYTES(hw_driver->bits_per_pixel), rtgui_color_get_bpp(dc->pixel_format));
/* calculate pitch */
pitch = rect_width * rtgui_color_get_bpp(dc->pixel_format);
/* create line buffer */
line_ptr = (rt_uint8_t *) rtgui_malloc(rect_width * _UI_BITBYTES(hw_driver->bits_per_pixel));
/* draw each line */
for (index = dest_rect->y1; index < dest_rect->y1 + rect_height; index ++)
{
/* blit on line buffer */
blit_line(line_ptr, (rt_uint8_t *)pixels, pitch);
pixels += dc->pitch;
/* draw on hardware dc */
dest->engine->blit_line(dest, dest_rect->x1, dest_rect->x1 + rect_width, index, line_ptr);
}
/* release line buffer */
rtgui_free(line_ptr);
}
}
}
else if (dest->type == RTGUI_DC_BUFFER)
{
struct rtgui_dc_buffer *dest_dc = (struct rtgui_dc_buffer*)dest;
if (dest_dc->pixel_format == dc->pixel_format && dest_dc->pixel_format == RTGRAPHIC_PIXEL_FORMAT_RGB565)
{
int index;
rt_uint8_t *pixels, *dest_pixels;
/* get pitch */
pitch = rect_width * rtgui_color_get_bpp(dc->pixel_format);
pixels = _dc_get_pixel(dc, dc_point.x, dc_point.y);
dest_pixels = _dc_get_pixel(dest_dc, dest_rect->x1, dest_rect->y1);
for (index = 0; index < rect_height; index ++)
{
rt_memcpy(dest_pixels, pixels, pitch);
pixels += dc->pitch;
dest_pixels += dest_dc->pitch;
}
}
else /* use rtgui_blit to handle buffer blit */
{
/* do the fast ARGB to RGB565 blit */
struct rtgui_blit_info info;
/* blit source */
info.src = _dc_get_pixel(dc, dc_point.x, dc_point.y);
info.src_fmt = dc->pixel_format;
info.src_h = rect_height;
info.src_w = rect_width;
info.src_pitch = dc->pitch;
info.src_skip = info.src_pitch - info.src_w * rtgui_color_get_bpp(dc->pixel_format);
/* blit destination */
info.dst = _dc_get_pixel(dest_dc, dest_rect->x1, dest_rect->y1);
info.dst_fmt = dest_dc->pixel_format;
info.dst_h = rect_height;
info.dst_w = rect_width;
info.dst_pitch = dest_dc->pitch;
info.dst_skip = info.dst_pitch - info.dst_w * rtgui_color_get_bpp(dest_dc->pixel_format);
rtgui_blit(&info);
}
}
}
rt_err_t rtgui_graphic_set_device(rt_device_t device)
{
rt_err_t result;
struct rt_device_graphic_info info;
struct rtgui_graphic_ext_ops *ext_ops;
/* get framebuffer address */
result = rt_device_control(device, RTGRAPHIC_CTRL_GET_INFO, &info);
if (result != RT_EOK)
{
/* get device information failed */
return -RT_ERROR;
}
/* if the first set graphic device */
if (_driver.width == 0 || _driver.height == 0)
{
rtgui_rect_t rect;
rtgui_get_mainwin_rect(&rect);
if (rect.x2 == 0 || rect.y2 == 0)
{
rtgui_rect_init(&rect, 0, 0, info.width, info.height);
/* re-set main-window */
rtgui_set_mainwin_rect(&rect);
}
}
/* initialize framebuffer driver */
_driver.device = device;
_driver.pixel_format = info.pixel_format;
_driver.bits_per_pixel = info.bits_per_pixel;
_driver.width = info.width;
_driver.height = info.height;
_driver.pitch = _driver.width * _UI_BITBYTES(_driver.bits_per_pixel);
_driver.framebuffer = info.framebuffer;
/* get graphic extension operations */
result = rt_device_control(device, RTGRAPHIC_CTRL_GET_EXT, &ext_ops);
if (result == RT_EOK)
{
_driver.ext_ops = ext_ops;
}
if (info.framebuffer != RT_NULL)
{
/* is a frame buffer device */
_driver.ops = rtgui_framebuffer_get_ops(_driver.pixel_format);
}
else
{
/* is a pixel device */
_driver.ops = rtgui_pixel_device_get_ops(_driver.pixel_format);
}
#ifdef RTGUI_USING_HW_CURSOR
/* set default cursor image */
rtgui_cursor_set_image(RTGUI_CURSOR_ARROW);
#endif
#ifdef RTGUI_USING_VFRAMEBUFFER
_graphic_driver_vmode_init();
#endif
return RT_EOK;
}
/* blit a dc to a hardware dc */
static void rtgui_dc_buffer_blit(struct rtgui_dc *self, struct rtgui_point *dc_point, struct rtgui_dc *dest, rtgui_rect_t *rect)
{
int pitch;
rt_uint16_t rect_width, rect_height;
struct rtgui_dc_buffer *dc = (struct rtgui_dc_buffer *)self;
if (dc_point == RT_NULL) dc_point = &rtgui_empty_point;
if (rtgui_dc_get_visible(dest) == RT_FALSE) return;
/* get the minimal width and height */
rect_width = _UI_MIN(rtgui_rect_width(*rect), dc->width - dc_point->x);
rect_height = _UI_MIN(rtgui_rect_height(*rect), dc->height - dc_point->y);
if ((dest->type == RTGUI_DC_HW) || (dest->type == RTGUI_DC_CLIENT))
{
int index;
rt_uint8_t *line_ptr, *pixels;
rtgui_blit_line_func blit_line;
struct rtgui_graphic_driver *hw_driver;
hw_driver = rtgui_graphic_driver_get_default();
/* prepare pixel line */
pixels = _dc_get_pixel(dc, dc_point->x, dc_point->y);
if (hw_driver->bits_per_pixel == _dc_get_bits_per_pixel(dc))
{
if (dest->type == RTGUI_DC_HW && hw_driver->framebuffer != RT_NULL)
{
rt_uint8_t *hw_pixels;
pitch = rtgui_color_get_bpp(hw_driver->pixel_format) * rect_width;
hw_pixels = (rt_uint8_t*)(hw_driver->framebuffer + rect->y1 * hw_driver->pitch +
rect->x1 * rtgui_color_get_bpp(hw_driver->pixel_format));
for (index = 0; index < rect_height; index ++)
{
memcpy(hw_pixels, pixels, pitch);
pixels += dc->pitch;
hw_pixels += hw_driver->pitch;
}
}
else
{
/* it's the same bits per pixel, draw it directly */
for (index = rect->y1; index < rect->y1 + rect_height; index++)
{
dest->engine->blit_line(dest, rect->x1, rect->x1 + rect_width, index, pixels);
pixels += dc->pitch;
}
}
}
else
{
/* get blit line function */
blit_line = rtgui_blit_line_get(_UI_BITBYTES(hw_driver->bits_per_pixel), rtgui_color_get_bpp(dc->pixel_format));
/* calculate pitch */
pitch = rect_width * rtgui_color_get_bpp(hw_driver->pixel_format);
/* create line buffer */
line_ptr = (rt_uint8_t *) rtgui_malloc(rect_width * _UI_BITBYTES(hw_driver->bits_per_pixel));
/* draw each line */
for (index = rect->y1; index < rect->y1 + rect_height; index ++)
{
/* blit on line buffer */
blit_line(line_ptr, (rt_uint8_t *)pixels, pitch);
pixels += dc->pitch;
/* draw on hardware dc */
dest->engine->blit_line(dest, rect->x1, rect->x1 + rect_width, index, line_ptr);
}
/* release line buffer */
rtgui_free(line_ptr);
}
}
else if (dest->type == RTGUI_DC_BUFFER)
{
struct rtgui_dc_buffer *dest_dc = (struct rtgui_dc_buffer*)dest;
if (dest_dc->pixel_format == dc->pixel_format)
{
int index;
rt_uint8_t *pixels, *dest_pixels;
/* get pitch */
pitch = rect_width * rtgui_color_get_bpp(dc->pixel_format);
pixels = _dc_get_pixel(dc, dc_point->x, dc_point->y);
dest_pixels = _dc_get_pixel(dest_dc, rect->x1, rect->y1);
for (index = 0; index < rect_height; index ++)
{
memcpy(dest_pixels, pixels, pitch);
pixels += dc->pitch;
dest_pixels += dest_dc->pitch;
}
}
}
}
