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35 lines
738 B
C
35 lines
738 B
C
/* Page Flipping Routines for the Super VMW Graphics Library */
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#include "svmwgraph.h"
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#include <string.h> /* For memcpy() */
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void vmwFlipVirtual(vmwVisual *destination,
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vmwVisual *source, int xsize,int ysize) {
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memcpy(destination->memory,source->memory,xsize*ysize);
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}
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int vmwArbitraryCrossBlit(vmwVisual *src,int x1,int y1,int w,int h,
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vmwVisual *dest,int x2,int y2)
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{
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int y;
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unsigned char *source,*destination;
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source=src->memory+(src->xsize*y1);
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destination=dest->memory+(dest->xsize*y2);
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for(y=0;y<h;y++) {
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memcpy ((destination+x2),(source+x1),w);
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source+=src->xsize;
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destination+=dest->xsize;
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}
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return 0;
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}
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