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#include <vga.h>
#include "FreeImage.h"
int main(void)
{
FIBITMAP *dib,*ptr;
vga_modeinfo *inf;
int length,height,bpp,y;
// initialize the FreeImage library
FreeImage_Initialise();
dib = FreeImage_Load(FIF_PNG, "freeimage.png", PNG_DEFAULT);
vga_init();
vga_setmode(vga_getdefaultmode());
inf = vga_getmodeinfo(vga_getcurrentmode());
switch(inf->colors) {
default:
printf("Must be at least 256 color mode!\n");
return;
case 1 << 8:
bpp = 8;
break;
case 1 << 15:
bpp = 15;
break;
case 1 << 16:
bpp = 16;
break;
case 1 << 24:
if( inf->bytesperpixel == 3 ) {
bpp = 24;
} else {
bpp = 32;
}
break;
}
if(FreeImage_GetBPP(dib) != bpp) {
switch(bpp) {
case 8:
ptr = FreeImage_ConvertTo8Bits(dib);
break;
case 15:
ptr = FreeImage_ConvertTo16Bits555(dib);
break;
case 16:
ptr = FreeImage_ConvertTo16Bits565(dib);
break;
case 24:
ptr = FreeImage_ConvertTo24Bits(dib);
break;
default:
case 32:
ptr = FreeImage_ConvertTo32Bits(dib);
break;
}
FreeImage_Unload(dib);
dib = ptr;
}
length = FreeImage_GetWidth(dib);
if( inf->width < length ) {
length = inf->width;
}
height = FreeImage_GetHeight(dib);
if( inf->height < height ) {
height = inf->height;
}
for(y = 0; y < height; y++) {
vga_drawscansegment(FreeImage_GetScanLine(dib, y), 0, y, length);
}
FreeImage_Unload(dib);
vga_getch();
vga_setmode(TEXT);
// release the FreeImage library
FreeImage_DeInitialise();
return 0;
}
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