| 0,0 → 1,103 |
|---|
| #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; |
| // Èçîáðàæåíèå ñ ïàëèòðîé (ïàëèòðà 24 èëè 32-áèòíàÿ) |
| 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; |
| } |
| } |
| // ÖÂåòíîå èçîáðàæåíèå áåç ñæàòèÿ è ïàëèòðû |
| 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; |
| } |
| } |
| // Ìîíîõðîìíîå èçîáðàæåíèå |
| 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; |
| } |