1 #include <rfb/rfb.h> 2 3 void rfbFillRect(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2,rfbPixel col) 4 { 5 int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3; 6 int i,j; 7 char* colour=(char*)&col; 8 9 if(!rfbEndianTest) 10 colour += 4-bpp; 11 for(j=y1;j<y2;j++) 12 for(i=x1;i<x2;i++) 13 memcpy(s->frameBuffer+j*rowstride+i*bpp,colour,bpp); 14 rfbMarkRectAsModified(s,x1,y1,x2,y2); 15 } 16 17 #define SETPIXEL(x,y) \ 18 memcpy(s->frameBuffer+(y)*rowstride+(x)*bpp,colour,bpp) 19 20 void rfbDrawPixel(rfbScreenInfoPtr s,int x,int y,rfbPixel col) 21 { 22 int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3; 23 char* colour=(char*)&col; 24 25 if(!rfbEndianTest) 26 colour += 4-bpp; 27 SETPIXEL(x,y); 28 rfbMarkRectAsModified(s,x,y,x+1,y+1); 29 } 30 31 void rfbDrawLine(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2,rfbPixel col) 32 { 33 int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3; 34 int i; 35 char* colour=(char*)&col; 36 37 if(!rfbEndianTest) 38 colour += 4-bpp; 39 40 #define SWAPPOINTS { i=x1; x1=x2; x2=i; i=y1; y1=y2; y2=i; } 41 if(abs(x1-x2)<abs(y1-y2)) { 42 if(y1>y2) 43 SWAPPOINTS 44 for(i=y1;i<=y2;i++) 45 SETPIXEL(x1+(i-y1)*(x2-x1)/(y2-y1),i); 46 /* TODO: Maybe make this more intelligently? */ 47 if(x2<x1) { i=x1; x1=x2; x2=i; } 48 rfbMarkRectAsModified(s,x1,y1,x2+1,y2+1); 49 } else { 50 if(x1>x2) 51 SWAPPOINTS 52 else if(x1==x2) { 53 rfbDrawPixel(s,x1,y1,col); 54 return; 55 } 56 for(i=x1;i<=x2;i++) 57 SETPIXEL(i,y1+(i-x1)*(y2-y1)/(x2-x1)); 58 if(y2<y1) { i=y1; y1=y2; y2=i; } 59 rfbMarkRectAsModified(s,x1,y1,x2+1,y2+1); 60 } 61 } 62
