forked from KolibriOS/kolibrios
103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
|
#include "..\kosSyst.h"
|
|||
|
|
#include "tga.h"
|
|||
|
|
|
|||
|
|
int TGAFile::LoadTGAFile(Byte* filebuff, Dword filesize)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
memcpy((Byte*)&Tga_head,(Byte*)filebuff,sizeof(sTGAHeader));
|
|||
|
|
width=Tga_head.Width;
|
|||
|
|
height=Tga_head.Height;
|
|||
|
|
|
|||
|
|
Byte* pImg=filebuff+sizeof(sTGAHeader)+Tga_head.BytesInIdentField+Tga_head.ColorMapOrigin+(Tga_head.ColorMapLength*Tga_head.ColorMapEntrySize/8);
|
|||
|
|
Byte* pPal=filebuff+sizeof(sTGAHeader)+Tga_head.BytesInIdentField+Tga_head.ColorMapOrigin;
|
|||
|
|
Byte* cBuffer;
|
|||
|
|
int x,y;
|
|||
|
|
Byte r;
|
|||
|
|
int sm;
|
|||
|
|
|
|||
|
|
int state=1;
|
|||
|
|
|
|||
|
|
if (Tga_head.ImageDescByte >= 32) sm=height-1; else sm=0;
|
|||
|
|
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 24 <20><><EFBFBD> 32-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
|||
|
|
if (Tga_head.ImageTypeCode==1)
|
|||
|
|
{
|
|||
|
|
if (Tga_head.ColorMapEntrySize>=24)
|
|||
|
|
{
|
|||
|
|
buffer=kos_GetMemory(width*height*3);
|
|||
|
|
int bpp=Tga_head.ColorMapEntrySize/8;
|
|||
|
|
for(y=height-1;y!=-1;y--)
|
|||
|
|
{
|
|||
|
|
for(x=0;x<width;x++)
|
|||
|
|
{
|
|||
|
|
r=*(pImg); pImg++;
|
|||
|
|
cBuffer=buffer+(abs(sm-y)*width*3)+x*3;
|
|||
|
|
*(cBuffer+0)=(Byte)(pPal[r*bpp+1]);
|
|||
|
|
*(cBuffer+1)=(Byte)(pPal[r*bpp+2]);
|
|||
|
|
*(cBuffer+2)=(Byte)(pPal[r*bpp+3]);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
state=0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
else if (Tga_head.ImageTypeCode==2)
|
|||
|
|
{
|
|||
|
|
switch (Tga_head.ImagePixelSize)
|
|||
|
|
{
|
|||
|
|
case 32:
|
|||
|
|
case 24:
|
|||
|
|
buffer=kos_GetMemory(width*height*3);
|
|||
|
|
for(y=height-1;y!=-1;y--)
|
|||
|
|
{
|
|||
|
|
for(x=0;x<width;x++)
|
|||
|
|
{
|
|||
|
|
cBuffer=buffer+(abs(sm-y)*width*3)+x*3;
|
|||
|
|
*(cBuffer+0)=*(pImg+0);
|
|||
|
|
*(cBuffer+1)=*(pImg+1);
|
|||
|
|
*(cBuffer+2)=*(pImg+2);
|
|||
|
|
pImg=pImg+Tga_head.ImagePixelSize/8;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
state=0;
|
|||
|
|
break;
|
|||
|
|
case 16:
|
|||
|
|
buffer=kos_GetMemory(width*height*3);
|
|||
|
|
for(y=height-1;y!=-1;y--)
|
|||
|
|
{
|
|||
|
|
for(x=0;x<width;x++)
|
|||
|
|
{
|
|||
|
|
cBuffer=buffer+(abs(sm-y)*width*3)+x*3;
|
|||
|
|
*(cBuffer+0)=(Byte)((*(Word*)(pImg)) & 31)<<3;
|
|||
|
|
*(cBuffer+1)=(Byte)((*(Word*)(pImg)>>5) & 31)<<3;
|
|||
|
|
*(cBuffer+2)=(Byte)((*(Word*)(pImg)>>10) & 31)<<3;
|
|||
|
|
pImg=pImg+2;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
state=0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
else if (Tga_head.ImageTypeCode==3)
|
|||
|
|
{
|
|||
|
|
switch (Tga_head.ImagePixelSize)
|
|||
|
|
{
|
|||
|
|
case 8:
|
|||
|
|
buffer=kos_GetMemory(width*height*3);
|
|||
|
|
for(y=height-1;y!=-1;y--)
|
|||
|
|
{
|
|||
|
|
for(x=0;x<width;x++)
|
|||
|
|
{
|
|||
|
|
cBuffer=buffer+(abs(sm-y)*width*3)+x*3;
|
|||
|
|
*(cBuffer+0)=*(pImg);
|
|||
|
|
*(cBuffer+1)=*(pImg);
|
|||
|
|
*(cBuffer+2)=*(pImg);
|
|||
|
|
pImg++;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
state=0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return state;
|
|||
|
|
}
|