661 lines
13 KiB
C
661 lines
13 KiB
C
#include "mywin_inc.h"
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WIN_LcdStruct *WIN_CreatVirtualLcd (int x_size,int y_size)
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{
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WIN_LcdStruct *ret=mymalloc (sizeof (WIN_LcdStruct));
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mymemset (ret,0,sizeof (WIN_LcdStruct));
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ret->x_size=x_size;
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ret->y_size=y_size;
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ret->WindowSrcX=0;
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ret->WindowSrcY=0;
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ret->WindowDstX=ret->x_size-1;
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ret->WindowDstY=ret->y_size-1;
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ret->ScreenDis=1;
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ret->BackColor=0;
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ret->Color=0xffff;
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ret->DrawMode=1;
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ret->DrawAddr=mymalloc (ret->x_size*ret->y_size*2);
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return ret;
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}
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void WIN_DeleteVirtualLcd (WIN_LcdStruct *lcd)
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{
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if (lcd->DrawAddr) myfree (lcd->DrawAddr);
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myfree (lcd);
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}
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//设置屏幕显示方向
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void WIN_LcdSetScreenDis (WIN_LcdStruct *lcd,int d)
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{
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if (d) lcd->ScreenDis=1;
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else lcd->ScreenDis=0;
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}
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//设置活动窗口
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void WIN_LcdSetWindow (WIN_LcdStruct *lcd,int x_s,int y_s,int x_size,int y_size)
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{
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int dstx=0;
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int dsty=0;
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if (x_size<1) x_size=1;
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if (y_size<1) y_size=1;
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if (x_s>lcd->x_size-1) x_s=lcd->x_size-1;
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else if (x_s<0) x_s=0;
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if (y_s>lcd->y_size-1) y_s=lcd->y_size-1;
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else if (y_s<0) y_s=0;
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dstx=x_s+x_size-1;
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dsty=y_s+y_size-1;
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if (dstx>lcd->x_size-1) dstx=lcd->x_size-1;
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else if (dstx<0) dstx=0;
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if (dsty>lcd->y_size-1) dsty=lcd->y_size-1;
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else if (dsty<0) dsty=0;
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lcd->WindowSrcX=x_s;
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lcd->WindowSrcY=y_s;
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lcd->WindowDstX=dstx;
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lcd->WindowDstY=dsty;
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}
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int WIN_LcdGetWindowSizeX (WIN_LcdStruct *lcd)
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{
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return lcd->WindowDstX-lcd->WindowSrcX+1;
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}
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int WIN_LcdGetWindowSizeY (WIN_LcdStruct *lcd)
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{
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return lcd->WindowDstY-lcd->WindowSrcY+1;
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}
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int WIN_LcdGetLcdSizeX(WIN_LcdStruct *lcd)
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{
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return lcd->x_size;
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}
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int WIN_LcdGetLcdSizeY (WIN_LcdStruct *lcd)
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{
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return lcd->y_size;
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}
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u32 WIN_LcdSetLcdColor (WIN_LcdStruct *lcd,u32 color)
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{
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u32 ret=lcd->Color;
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//g_lcd_struct.Color=color;
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lcd->Color=COLOR888TO565(color);
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return ret;
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}
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u32 WIN_LcdSetLcdBkColor (WIN_LcdStruct *lcd,u32 color)
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{
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u32 ret=lcd->BackColor;
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//g_lcd_struct.BackColor=color;
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lcd->BackColor=COLOR888TO565(color);
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return ret;
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}
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u32 WIN_LcdSetLcdColor16 (WIN_LcdStruct *lcd,u32 color)
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{
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u32 ret=lcd->Color;
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lcd->Color=(color);
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return ret;
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}
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u32 WIN_LcdSetLcdBkColor16 (WIN_LcdStruct *lcd,u32 color)
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{
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u32 ret=lcd->BackColor;
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lcd->BackColor=(color);
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return ret;
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}
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u32 WIN_LcdGetLcdColor (WIN_LcdStruct *lcd)
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{
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u32 ret=lcd->Color;
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return COLOR565TO888(ret);
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}
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u32 WIN_LcdGetLcdBkColor (WIN_LcdStruct *lcd)
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{
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u32 ret=lcd->BackColor;
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return COLOR565TO888(ret);
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}
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u32 WIN_LcdGetLcdColor16 (WIN_LcdStruct *lcd)
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{
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u32 ret=lcd->Color;
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return ret;
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}
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u32 WIN_LcdGetLcdBkColor16 (WIN_LcdStruct *lcd)
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{
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u32 ret=lcd->BackColor;
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return ret;
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}
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//设置绘制模式，1，不绘制背景，0，绘制背景
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void WIN_LcdSetLcdDrawMode (WIN_LcdStruct *lcd,int mode)
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{
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if (mode)
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{
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lcd->DrawMode=1;//此时调用画点函数时不绘制背景色
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}
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else
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{
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lcd->DrawMode=0;
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}
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}
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//填充一条线,以窗口的起点为起点，最大填充到窗口的终点位置
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static void WIN_LcdFillLine16 (WIN_LcdStruct *lcd,u16 *buff,int y,int xsize)
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{
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u16 *addr=lcd->DrawAddr;
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int xsizeMax=lcd->WindowDstX+1-lcd->WindowSrcX;
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if (xsize>xsizeMax) xsize=xsizeMax;
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if (lcd->ScreenDis)
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{
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addr=&addr[y*lcd->x_size+lcd->WindowSrcX];
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for (int x=0;x<xsize;x++)
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{
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addr[x]=*buff;
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buff++;
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}
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}
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else
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{
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addr=&addr[lcd->x_size*lcd->y_size-1-(y*lcd->x_size+lcd->WindowSrcX)];
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for (int x=0;x<xsize;x++)
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{
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*addr--=*buff;
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buff++;
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}
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}
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}
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//把图像填充到屏幕的活动窗口中，
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//参数xsize,图像的宽度
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//参数ysize,图像的高度
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static void WIN_LcdFillRect16 (WIN_LcdStruct *lcd,u16 *buff,int xsize,int ysize)
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{
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int ysizeMax=lcd->WindowDstY+1-lcd->WindowSrcY;
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if (ysize>ysizeMax) ysize=ysizeMax;
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for (int y=0;y<ysize;y++)
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{
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WIN_LcdFillLine16 (lcd,buff,y+lcd->WindowSrcY,xsize);
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buff+=xsize;
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}
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}
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//把图像偏移之后填充到屏幕的活动窗口中，
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//参数x_s,图像要显示的横向起始坐标
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//参数y_s，图像要显示的纵向起始坐标
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//参数xsize,图像的宽度
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//参数ysize,图像的高度
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static void WIN_LcdFillRectOff16 (WIN_LcdStruct *lcd,u16 *buff,int x_s,int y_s,int xsize,int ysize)
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{
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int offset=y_s*xsize+x_s;
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WIN_LcdFillRect16(lcd,buff+offset,xsize,ysize-y_s);
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}
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//在活动窗口的指定位置显示图片
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//参数s_x,图像在绘图窗口中的坐标
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//参数s_y,图像在绘图冲口中的坐标
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//参数s_xsize,要绘制的部分图像大小
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//参数s_ysize,要绘制的部分图像大小
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//参数x_s,图像要显示的横向起始坐标
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//参数y_s，图像要显示的纵向起始坐标
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//参数xsize,图像的宽度
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//参数ysize,图像的高度
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void WIN_LcdFillRectOff16At (WIN_LcdStruct *lcd,int s_x,int s_y,int s_xsize,int s_ysize,u16 *buff,int x_s,int y_s,int xsize,int ysize)
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{
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//保存以前的窗口大小
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int w_x=lcd->WindowSrcX;
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int w_y=lcd->WindowSrcY;
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int w_x_e=lcd->WindowDstX;
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int w_y_e=lcd->WindowDstY;
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//设置新的窗口大小
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lcd->WindowSrcX=w_x+s_x;
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lcd->WindowSrcY=w_y+s_y;
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lcd->WindowDstX=lcd->WindowSrcX+s_xsize-1;
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lcd->WindowDstY=lcd->WindowSrcY+s_ysize-1;
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//限制新的绘图区不能在以前的窗口之外
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if (lcd->WindowDstX>w_x_e) lcd->WindowDstX=w_x_e;
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if (lcd->WindowDstY>w_y_e) lcd->WindowDstY=w_y_e;
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//绘图
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WIN_LcdFillRectOff16 (lcd,buff,x_s+s_x,y_s+s_y,xsize,ysize);
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//恢复以前的绘图区
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lcd->WindowSrcX=w_x;
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lcd->WindowSrcY=w_y;
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lcd->WindowDstX=w_x_e;
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lcd->WindowDstY=w_y_e;
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}
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//安全画点，以屏幕窗口的坐标为原点，并且画点不会超出窗口范围
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void WIN_LcdDrawPointSafe (WIN_LcdStruct *lcd,int x,int y,int mode)
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{
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x+=lcd->WindowSrcX;
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y+=lcd->WindowSrcY;
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//在窗口以外的不画
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if (x<lcd->WindowSrcX||x>lcd->WindowDstX) return;
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if (y<lcd->WindowSrcY||y>lcd->WindowDstY) return;
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u16 *DrawAddr=lcd->DrawAddr;
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if (mode)
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{
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if (lcd->ScreenDis)
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DrawAddr[(y*lcd->x_size+x)]=lcd->Color;
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else
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DrawAddr[lcd->x_size*lcd->y_size-1-(y*lcd->x_size+x)]=lcd->Color;
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}
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else if (lcd->DrawMode==0)
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{
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if (lcd->ScreenDis)
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DrawAddr[(y*lcd->x_size+x)]=lcd->BackColor;
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else
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DrawAddr[lcd->x_size*lcd->y_size-1-(y*lcd->x_size+x)]=lcd->BackColor;
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}
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else//当g_lcd_struct.DrawMode==1时不绘制背景色
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{
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}
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}
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//安全画点，以屏幕窗口的坐标为原点，并且画点不会超出窗口范围
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//以指定颜色画点，而不是前景色
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void WIN_LcdDrawPointSafeColor (WIN_LcdStruct *lcd,int x,int y,u16 color)
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{
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x+=lcd->WindowSrcX;
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y+=lcd->WindowSrcY;
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//在窗口以外的不画
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if (x<lcd->WindowSrcX||x>lcd->WindowDstX) return;
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if (y<lcd->WindowSrcY||y>lcd->WindowDstY) return;
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u16 *DrawAddr=lcd->DrawAddr;
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if (1)
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{
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if (lcd->ScreenDis)
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DrawAddr[(y*lcd->x_size+x)]=color;
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else
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DrawAddr[lcd->x_size*lcd->y_size-1-(y*lcd->x_size+x)]=color;
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}
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}
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//快速ALPHA BLENDING算法.
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//src:源颜色
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//dst:目标颜色
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//alpha:透明程度(0~32)
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//返回值:混合后的颜色.
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static u16 alpha_blend565(u16 src,u16 dst,u8 alpha)
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{
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u32 src2;
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u32 dst2;
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//Convert to 32bit |-----GGGGGG-----RRRRR------BBBBB|
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src2=((src<<16)|src)&0x07E0F81F;
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dst2=((dst<<16)|dst)&0x07E0F81F;
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//Perform blending R:G:B with alpha in range 0..32
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//Note that the reason that alpha may not exceed 32 is that there are only
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//5bits of space between each R:G:B value, any higher value will overflow
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//into the next component and deliver ugly result.
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dst2=((((dst2-src2)*alpha)>>5)+src2)&0x07E0F81F;
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return (dst2>>16)|dst2;
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}
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//以指定色透明度画点0~32,0,全透明，31，不透明
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void WIN_LcdDrawPointSafeColorAlpha (WIN_LcdStruct *lcd,int x,int y,u16 color,u8 alpha)
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{
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x+=lcd->WindowSrcX;
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y+=lcd->WindowSrcY;
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//在窗口以外的不画
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if (x<lcd->WindowSrcX||x>lcd->WindowDstX) return;
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if (y<lcd->WindowSrcY||y>lcd->WindowDstY) return;
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if (alpha>31 ) alpha=31;
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if (alpha==0) return;
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u16 *DrawAddr=lcd->DrawAddr;
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u16 color_old=0;
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if (1)
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{
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if (lcd->ScreenDis)
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{
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color_old=DrawAddr[(y*lcd->x_size+x)];
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color=alpha_blend565 (color_old,color,alpha);
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DrawAddr[(y*lcd->x_size+x)]=color;
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}
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else
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{
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color_old=DrawAddr[lcd->x_size*lcd->y_size-1-(y*lcd->x_size+x)];
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color=alpha_blend565 (color_old,color,alpha);
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DrawAddr[lcd->x_size*lcd->y_size-1-(y*lcd->x_size+x)]=color;
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}
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}
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}
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//填充矩形，已窗口坐标为原点
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void WIN_LcdFillRectByColor (WIN_LcdStruct *lcd,int x,int y,int x_size,int y_size)
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{
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for (int i=y;i<y+y_size;i++)
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{
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for (int j=x;j<x+x_size;j++)
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{
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WIN_LcdDrawPointSafe (lcd,j,i,1);
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}
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}
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}
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//以透明度填充矩形，已窗口坐标为原点
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void WIN_LcdFillRectByColorAlpha (WIN_LcdStruct *lcd,int x,int y,int x_size,int y_size,u8 alpha)
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{
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for (int i=y;i<y+y_size;i++)
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{
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for (int j=x;j<x+x_size;j++)
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{
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WIN_LcdDrawPointSafeColorAlpha (lcd,j,i,lcd->Color,alpha);
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}
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}
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}
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//绘制图标,图标使用const数组编译在程序里，其本身已经附带了大小等参数
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//此函数效率比较低，只用于绘制小图标，绘制图片使用矩形填充函数
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void WIN_LcdDrawImag (WIN_LcdStruct *lcd,int x,int y,int xsize,int ysize,const u8 *buff)
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{
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if (buff==0) return ;
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u8 scan=buff[0];
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u8 gray=buff[1];
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u16 w=*((u16*)&buff[2]);
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u16 h=*((u16*)&buff[4]);
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u8 is565=buff[6];
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u8 rgb=buff[7];
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//必须所有参数都符合要求
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if ((scan!=0x00)||(gray!=0x10)||(w>WIN_IMAGE_MAXSIZE)||(h>WIN_IMAGE_MAXSIZE)||(is565!=0x01)||(rgb!=0x1b))
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return;
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u16 *imag=(u16 *)(buff+8);
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if (xsize>w) xsize=w;
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if (ysize>h) ysize=h;
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for (int j=y;j<y+ysize;j++)
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{
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for (int i=0;i<xsize;i++)
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{
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WIN_LcdDrawPointSafe(lcd,i+x,j,imag[i]);
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}
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imag+=w;
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}
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}
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//绘制图标，但是不绘制指定颜色
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void WIN_LcdDrawImagButColor (WIN_LcdStruct *lcd,int x,int y,int xsize,int ysize,const u8 *buff,u16 color)
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{
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if (buff==0) return ;
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u8 scan=buff[0];
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u8 gray=buff[1];
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u16 w=*((u16*)&buff[2]);
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u16 h=*((u16*)&buff[4]);
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u8 is565=buff[6];
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u8 rgb=buff[7];
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//必须所有参数都符合要求
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if ((scan!=0x00)||(gray!=0x10)||(w>WIN_IMAGE_MAXSIZE)||(h>WIN_IMAGE_MAXSIZE)||(is565!=0x01)||(rgb!=0x1b))
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return;
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u16 *imag=(u16 *)(buff+8);
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if (xsize>w) xsize=w;
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if (ysize>h) ysize=h;
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for (int j=y;j<y+ysize;j++)
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{
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for (int i=0;i<xsize;i++)
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{
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if (imag[i]!=color)
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WIN_LcdDrawPointSafe(lcd,i+x,j,imag[i]);
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}
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imag+=w;
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}
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}
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//绘制图标,把图像的有效部分绘制为指定颜色
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//此函数效率比较低，只用于绘制小图标，绘制图片使用矩形填充函数
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void WIN_LcdDrawImagByColor (WIN_LcdStruct *lcd,int x,int y,int xsize,int ysize,const u8 *buff,u16 color)
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{
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|
||
if (buff==0) return ;
|
||
|
||
u8 scan=buff[0];
|
||
u8 gray=buff[1];
|
||
u16 w=*((u16*)&buff[2]);
|
||
u16 h=*((u16*)&buff[4]);
|
||
u8 is565=buff[6];
|
||
u8 rgb=buff[7];
|
||
|
||
//必须所有参数都符合要求
|
||
if ((scan!=0x00)||(gray!=0x10)||(w>WIN_IMAGE_MAXSIZE)||(h>WIN_IMAGE_MAXSIZE)||(is565!=0x01)||(rgb!=0x1b))
|
||
return;
|
||
|
||
u16 *imag=(u16 *)(buff+8);
|
||
|
||
if (xsize>w) xsize=w;
|
||
if (ysize>h) ysize=h;
|
||
for (int j=y;j<y+ysize;j++)
|
||
{
|
||
for (int i=0;i<xsize;i++)
|
||
{
|
||
if ((imag[i]!=0x0000)&&(imag[i]!=0xffff))
|
||
WIN_LcdDrawPointSafeColor (lcd,i+x,j,color);
|
||
}
|
||
imag+=w;
|
||
}
|
||
}
|
||
|
||
|
||
|
||
//绘制图标,把原图像转化为透明度，用指定颜色来绘制
|
||
//此函数效率比较低，只用于绘制小图标，绘制图片使用矩形填充函数
|
||
void WIN_LcdDrawImagByAlpha (WIN_LcdStruct *lcd,int x,int y,int xsize,int ysize,const u8 *buff,u16 color)
|
||
{
|
||
|
||
if (buff==0) return ;
|
||
|
||
u8 scan=buff[0];
|
||
u8 gray=buff[1];
|
||
u16 w=*((u16*)&buff[2]);
|
||
u16 h=*((u16*)&buff[4]);
|
||
u8 is565=buff[6];
|
||
u8 rgb=buff[7];
|
||
|
||
//必须所有参数都符合要求
|
||
if ((scan!=0x00)||(gray!=0x10)||(w>WIN_IMAGE_MAXSIZE)||(h>WIN_IMAGE_MAXSIZE)||(is565!=0x01)||(rgb!=0x1b))
|
||
return;
|
||
|
||
u16 *imag=(u16 *)(buff+8);
|
||
u8 r,g,b;
|
||
u8 alpha=0;
|
||
if (xsize>w) xsize=w;
|
||
if (ysize>h) ysize=h;
|
||
for (int j=y;j<y+ysize;j++)
|
||
{
|
||
for (int i=0;i<xsize;i++)
|
||
{
|
||
//只绘制无效窗口内的屏幕
|
||
// WIN_Struct *ewin=WIN_GetWinStruct();
|
||
// if (POS_InRect (ewin->Invalid_x,ewin->Invalid_y,ewin->Invalid_x_size,ewin->Invalid_y_size,i+x,j))
|
||
{
|
||
//白色全透明不绘制，加快速度
|
||
if ((imag[i]!=0x0000)&&(imag[i]!=0xffff))
|
||
{
|
||
WIN_LcdDrawPointSafeColorAlpha (lcd,i+x,j,color,31-(imag[i]>>11));
|
||
}
|
||
else if (imag[i]==0x0000)
|
||
{
|
||
//不透明直接画原来的颜色
|
||
WIN_LcdDrawPointSafeColor (lcd,i+x,j,color);
|
||
}
|
||
}
|
||
}
|
||
imag+=w;
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
//清除绘图窗口内的显示
|
||
void WIN_LcdClear (WIN_LcdStruct *lcd)
|
||
{
|
||
u16 *addr=lcd->DrawAddr;
|
||
for (int y=lcd->WindowSrcY;y<=lcd->WindowDstY;y++)
|
||
{
|
||
if (lcd->ScreenDis)
|
||
{
|
||
for (int x=lcd->WindowSrcX;x<=lcd->WindowDstX;x++)
|
||
{
|
||
addr[(y*lcd->x_size+x)]=lcd->BackColor;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
for (int x=lcd->WindowSrcX;x<=lcd->WindowDstX;x++)
|
||
{
|
||
addr[lcd->x_size*lcd->y_size-1-(y*lcd->x_size+x)]=lcd->BackColor;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
|
||
//清除矩形内的显示
|
||
void WIN_LcdClearRect (WIN_LcdStruct *lcd,int x,int y,int x_size,int y_size)
|
||
{
|
||
u16 *addr=lcd->DrawAddr;
|
||
x=x+lcd->WindowSrcX;
|
||
y=y+lcd->WindowSrcY;
|
||
int x_e=x+x_size-1;
|
||
if (x_e>lcd->WindowDstX)
|
||
x_e=lcd->WindowDstX;
|
||
int y_e=y+y_size-1;
|
||
if (y_e>lcd->WindowDstY)
|
||
y_e=lcd->WindowDstY;
|
||
int temp=x;
|
||
for (;y<=y_e;y++)
|
||
{
|
||
if (lcd->ScreenDis)
|
||
{
|
||
for (x=temp;x<=x_e;x++)
|
||
{
|
||
addr[(y*lcd->x_size+x)]=lcd->BackColor;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
for (x=temp;x<=x_e;x++)
|
||
{
|
||
addr[lcd->x_size*lcd->y_size-1-(y*lcd->x_size+x)]=lcd->BackColor;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
//获取指定矩形空间的屏幕颜色，屏幕的绝对坐标
|
||
void WIN_LcdGetColors (WIN_LcdStruct *lcd,u16 *buff,int x_s,int y_s,int x_size,int y_size)
|
||
{
|
||
u16 *addr=lcd->DrawAddr;
|
||
if (x_s<0) x_s=0;
|
||
else if (x_s>lcd->x_size-1) x_s=lcd->x_size-1;
|
||
if (y_s<0) y_s=0;
|
||
else if (y_s>lcd->y_size-1) y_s=lcd->y_size-1;
|
||
if (x_size>lcd->x_size-x_s) x_size= lcd->x_size-x_s;
|
||
else if (x_size<0) x_size=0;
|
||
if (y_size>lcd->y_size-y_s) y_size= lcd->y_size-y_s;
|
||
else if (y_size<0) y_size=0;
|
||
for (int y=y_s;y<y_size+y_s;y++)
|
||
{
|
||
if (lcd->ScreenDis)
|
||
{
|
||
for (int x=x_s;x<x_size+x_s;x++)
|
||
{
|
||
u32 temp=addr[(y*lcd->x_size+x)];
|
||
*buff=temp;
|
||
buff++;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
for (int x=x_s;x<x_size+x_s;x++)
|
||
{
|
||
u32 temp=addr[lcd->x_size*lcd->y_size-1-(y*lcd->x_size+x)];
|
||
*buff=temp;
|
||
buff++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|