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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 958 | leency | 1 | #include "..\kosSyst.h" |
| 2 | #include "tga.h" |
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| 3 | |||
| 4 | int TGAFile::LoadTGAFile(Byte* filebuff, Dword filesize) |
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| 5 | { |
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| 6 | |||
| 7 | memcpy((Byte*)&Tga_head,(Byte*)filebuff,sizeof(sTGAHeader)); |
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| 8 | width=Tga_head.Width; |
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| 9 | height=Tga_head.Height; |
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| 10 | |||
| 11 | Byte* pImg=filebuff+sizeof(sTGAHeader)+Tga_head.BytesInIdentField+Tga_head.ColorMapOrigin+(Tga_head.ColorMapLength*Tga_head.ColorMapEntrySize/8); |
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| 12 | Byte* pPal=filebuff+sizeof(sTGAHeader)+Tga_head.BytesInIdentField+Tga_head.ColorMapOrigin; |
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| 13 | Byte* cBuffer; |
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| 14 | int x,y; |
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| 15 | Byte r; |
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| 16 | int sm; |
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| 17 | |||
| 18 | int state=1; |
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| 19 | |||
| 20 | if (Tga_head.ImageDescByte >= 32) sm=height-1; else sm=0; |
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| 21 | // Изображение с палитрой (палитра 24 или 32-битная) |
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| 22 | if (Tga_head.ImageTypeCode==1) |
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| 23 | { |
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| 24 | if (Tga_head.ColorMapEntrySize>=24) |
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| 25 | { |
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| 26 | buffer=kos_GetMemory(width*height*3); |
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| 27 | int bpp=Tga_head.ColorMapEntrySize/8; |
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| 28 | for(y=height-1;y!=-1;y--) |
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| 29 | { |
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| 30 | for(x=0;x |
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| 31 | { |
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| 32 | r=*(pImg); pImg++; |
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| 33 | cBuffer=buffer+(abs(sm-y)*width*3)+x*3; |
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| 34 | *(cBuffer+0)=(Byte)(pPal[r*bpp+1]); |
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| 35 | *(cBuffer+1)=(Byte)(pPal[r*bpp+2]); |
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| 36 | *(cBuffer+2)=(Byte)(pPal[r*bpp+3]); |
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| 37 | } |
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| 38 | } |
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| 39 | state=0; |
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| 40 | } |
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| 41 | } |
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| 42 | // ЦВетное изображение без сжатия и палитры |
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| 43 | else if (Tga_head.ImageTypeCode==2) |
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| 44 | { |
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| 45 | switch (Tga_head.ImagePixelSize) |
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| 46 | { |
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| 47 | case 32: |
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| 48 | case 24: |
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| 49 | buffer=kos_GetMemory(width*height*3); |
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| 50 | for(y=height-1;y!=-1;y--) |
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| 51 | { |
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| 52 | for(x=0;x |
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| 53 | { |
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| 54 | cBuffer=buffer+(abs(sm-y)*width*3)+x*3; |
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| 55 | *(cBuffer+0)=*(pImg+0); |
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| 56 | *(cBuffer+1)=*(pImg+1); |
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| 57 | *(cBuffer+2)=*(pImg+2); |
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| 58 | pImg=pImg+Tga_head.ImagePixelSize/8; |
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| 59 | } |
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| 60 | } |
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| 61 | state=0; |
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| 62 | break; |
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| 63 | case 16: |
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| 64 | buffer=kos_GetMemory(width*height*3); |
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| 65 | for(y=height-1;y!=-1;y--) |
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| 66 | { |
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| 67 | for(x=0;x |
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| 68 | { |
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| 69 | cBuffer=buffer+(abs(sm-y)*width*3)+x*3; |
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| 70 | *(cBuffer+0)=(Byte)((*(Word*)(pImg)) & 31)<<3; |
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| 71 | *(cBuffer+1)=(Byte)((*(Word*)(pImg)>>5) & 31)<<3; |
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| 72 | *(cBuffer+2)=(Byte)((*(Word*)(pImg)>>10) & 31)<<3; |
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| 73 | pImg=pImg+2; |
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| 74 | } |
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| 75 | } |
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| 76 | state=0; |
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| 77 | break; |
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| 78 | } |
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| 79 | } |
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| 80 | // Монохромное изображение |
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| 81 | else if (Tga_head.ImageTypeCode==3) |
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| 82 | { |
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| 83 | switch (Tga_head.ImagePixelSize) |
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| 84 | { |
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| 85 | case 8: |
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| 86 | buffer=kos_GetMemory(width*height*3); |
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| 87 | for(y=height-1;y!=-1;y--) |
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| 88 | { |
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| 89 | for(x=0;x |
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| 90 | { |
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| 91 | cBuffer=buffer+(abs(sm-y)*width*3)+x*3; |
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| 92 | *(cBuffer+0)=*(pImg); |
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| 93 | *(cBuffer+1)=*(pImg); |
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| 94 | *(cBuffer+2)=*(pImg); |
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| 95 | pImg++; |
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| 96 | } |
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| 97 | } |
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| 98 | state=0; |
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| 99 | break; |
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| 100 | } |
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| 101 | } |
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| 102 | return state; |
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| 103 | } |