//从内存缓冲区到screen位块传送，只支持块拷贝，不支持rop操作。
//镜像显示器的driver须提供这个函数
bool_t __lcd_bm_to_screen(struct tagRectangle *dst_rect,
struct tagRectBitmap *src_bitmap,s32 xsrc,s32 ysrc)
{
s32 x,y,width,height;
u16 *lineoffset;
if(src_bitmap->PixelFormat != CN_SYS_PF_RGB565)
return false;
width = dst_rect->right-dst_rect->left;
height = dst_rect->bottom-dst_rect->top;
//转换坐标
lineoffset = (u16*)((u32)src_bitmap->bm_bits
+ (ysrc+height-1)*src_bitmap->linebytes);
lineoffset +=xsrc;
//转换坐标
__ili9325_set_window(LCD_XSIZE-dst_rect->right,
LCD_YSIZE-dst_rect->bottom,width,height);
__ili9325_write_cmd(0x0022);
for(y = 0; y < height; y++)
{
for(x = width-1; x >= 0; x--)
{
__ili9325_write_data(lineoffset[x]);
}
lineoffset -= (src_bitmap->linebytes)>>1;
}
__ili9325_close_window();
return true;
}
//screen中矩形填充，如硬件加速不支持在screen上矩形填充，或者有frame_buffer，
//driver可以简化，直接返回false即可
bool_t __lcd_fill_rect_screen(struct tagRectangle *Target,
struct tagRectangle *Focus,
u32 Color0,u32 Color1,u32 Mode)
{
u32 x,y,width,height;
u16 pixel;
if(Mode != CN_FILLRECT_MODE_N)
return false;
pixel = GK_ConvertRGB24ToPF(CN_SYS_PF_RGB565,Color0);
width = Focus->right-Focus->left;
height = Focus->bottom-Focus->top;
//转换坐标
__ili9325_set_window(LCD_XSIZE-Focus->right,
LCD_YSIZE-Focus->bottom,width,height);
__ili9325_write_cmd(0x0022);
for(y = 0; y < height; y++)
{
for(x = 0; x < width; x++)
{
__ili9325_write_data(pixel);
}
}
__ili9325_close_window();
return true;
}
/*---------------------------------------------------------------------------
功能： 设置一个像素
---------------------------------------------------------------------------*/
void __ili9325_set_pixel(u32 x, u32 y, u16 color)
{
__ili9325_write_reg(0x0021, y); //v垂直方向
__ili9325_write_reg(0x0020, x); //h水平方向
__ili9325_write_cmd(0x0022);
__ili9325_write_data(color);
}
void lcd_clear(u32 color)
{
u32 i = 0;
__ili9325_close_window();
__ili9325_write_cmd(0x0022); //写GRAM之前 要先写0x0022
for (i = 0; i < 320*240 ; i++)
{
__ili9325_write_data(color);
}
}
//从内存缓冲区到screen位块传送，只支持块拷贝，不支持rop操作。
//镜像显示器的driver须提供这个函数
bool_t __lcd_bm_to_screen(struct Rectangle *dst_rect,
struct RectBitmap *src_bitmap,s32 xsrc,s32 ysrc)
{
s32 x,y,width,height;
s32 n,m;
u16 *lineoffset;
register u16 *lineP;
if(src_bitmap->PixelFormat != CN_SYS_PF_RGB565)
return false;
width = dst_rect->right-dst_rect->left;
height = dst_rect->bottom-dst_rect->top;
//转换坐标
lineoffset = (u16*)((u32)src_bitmap->bm_bits
+ (ysrc+height-1)*src_bitmap->linebytes);
lineoffset +=xsrc;
//转换坐标
__ili9325_set_window(CN_LCD_XSIZE-dst_rect->right,
CN_LCD_YSIZE-dst_rect->bottom,width,height);
__ili9325_write_cmd(0x0022);
n = (width+7)/8;
for(y = 0; y < height; y++)
{
m = width%8;
lineP = lineoffset+width-1;
for(x = 0; x < n; x++)
{
switch(m)
{
case 0: __ili9325_write_data(*lineP--);
case 7: __ili9325_write_data(*lineP--);
case 6: __ili9325_write_data(*lineP--);
case 5: __ili9325_write_data(*lineP--);
case 4: __ili9325_write_data(*lineP--);
case 3: __ili9325_write_data(*lineP--);
case 2: __ili9325_write_data(*lineP--);
case 1: __ili9325_write_data(*lineP--);
}
m = 0;
}
lineoffset -= (src_bitmap->linebytes)>>1;
}
__ili9325_close_window();
return true;
}
//screen中矩形填充，如硬件加速不支持在screen上矩形填充，或者有frame_buffer，
//driver可以简化，直接返回false即可
bool_t __lcd_fill_rect_screen(struct Rectangle *Target,
struct Rectangle *Focus,
u32 Color0,u32 Color1,u32 Mode)
{
u32 x,y,width,height;
u16 pixel;
s32 n,m;
if(Mode != CN_FILLRECT_MODE_N)
return false;
pixel = GK_ConvertRGB24ToPF(CN_SYS_PF_RGB565,Color0);
width = Focus->right-Focus->left;
height = Focus->bottom-Focus->top;
//转换坐标
__ili9325_set_window(CN_LCD_XSIZE-Focus->right,
CN_LCD_YSIZE-Focus->bottom,width,height);
__ili9325_write_cmd(0x0022);
n = (width+7)/8;
for(y = 0; y < height; y++)
{
m = width%8;
for(x = 0; x < n; x++)
{
switch(m)
{
case 0: __ili9325_write_data(pixel);
case 7: __ili9325_write_data(pixel);
case 6: __ili9325_write_data(pixel);
case 5: __ili9325_write_data(pixel);
case 4: __ili9325_write_data(pixel);
case 3: __ili9325_write_data(pixel);
case 2: __ili9325_write_data(pixel);
case 1: __ili9325_write_data(pixel);
}
m = 0;
}
}
__ili9325_close_window();
return true;
}
