You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.5 KiB
62 lines
1.5 KiB
#include <rfb/rfb.h>
|
|
|
|
void rfbFillRect(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2,rfbPixel col)
|
|
{
|
|
int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3;
|
|
int i,j;
|
|
char* colour=(char*)&col;
|
|
|
|
if(!rfbEndianTest)
|
|
colour += 4-bpp;
|
|
for(j=y1;j<y2;j++)
|
|
for(i=x1;i<x2;i++)
|
|
memcpy(s->frameBuffer+j*rowstride+i*bpp,colour,bpp);
|
|
rfbMarkRectAsModified(s,x1,y1,x2,y2);
|
|
}
|
|
|
|
#define SETPIXEL(x,y) \
|
|
memcpy(s->frameBuffer+(y)*rowstride+(x)*bpp,colour,bpp)
|
|
|
|
void rfbDrawPixel(rfbScreenInfoPtr s,int x,int y,rfbPixel col)
|
|
{
|
|
int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3;
|
|
char* colour=(char*)&col;
|
|
|
|
if(!rfbEndianTest)
|
|
colour += 4-bpp;
|
|
SETPIXEL(x,y);
|
|
rfbMarkRectAsModified(s,x,y,x+1,y+1);
|
|
}
|
|
|
|
void rfbDrawLine(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2,rfbPixel col)
|
|
{
|
|
int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3;
|
|
int i;
|
|
char* colour=(char*)&col;
|
|
|
|
if(!rfbEndianTest)
|
|
colour += 4-bpp;
|
|
|
|
#define SWAPPOINTS { i=x1; x1=x2; x2=i; i=y1; y1=y2; y2=i; }
|
|
if(abs(x1-x2)<abs(y1-y2)) {
|
|
if(y1>y2)
|
|
SWAPPOINTS
|
|
for(i=y1;i<=y2;i++)
|
|
SETPIXEL(x1+(i-y1)*(x2-x1)/(y2-y1),i);
|
|
/* TODO: Maybe make this more intelligently? */
|
|
if(x2<x1) { i=x1; x1=x2; x2=i; }
|
|
rfbMarkRectAsModified(s,x1,y1,x2+1,y2+1);
|
|
} else {
|
|
if(x1>x2)
|
|
SWAPPOINTS
|
|
else if(x1==x2) {
|
|
rfbDrawPixel(s,x1,y1,col);
|
|
return;
|
|
}
|
|
for(i=x1;i<=x2;i++)
|
|
SETPIXEL(i,y1+(i-x1)*(y2-y1)/(x2-x1));
|
|
if(y2<y1) { i=y1; y1=y2; y2=i; }
|
|
rfbMarkRectAsModified(s,x1,y1,x2+1,y2+1);
|
|
}
|
|
}
|