| 1 | #include "bmpUtil.h"
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| 2 |
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| 3 | #include <stdio.h>
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| 4 | #include <stdlib.h>
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| 5 |
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| 6 | HPALETTE bmpUtil_getDIBPalette(LPBITMAPINFO bmpInfo, unsigned int colours)
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| 7 | { LPBITMAPINFOHEADER bmpHeader;
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| 8 | LPLOGPALETTE logicalPalette;
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| 9 | HPALETTE reply = 0;
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| 10 |
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| 11 | bmpHeader = (LPBITMAPINFOHEADER) bmpInfo;
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| 12 | MessageBox(0, "A", "A", MB_OK);
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| 13 |
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| 14 | if (colours)
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| 15 | {
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| 16 | MessageBox(0, "A", "A", MB_OK);
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| 17 | logicalPalette = (LPLOGPALETTE) GlobalAlloc(GMEM_FIXED, sizeof (LOGPALETTE) + sizeof(PALETTEENTRY) * (colours));
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| 18 | if (logicalPalette == NULL)
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| 19 | { return reply;
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| 20 | }
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| 21 |
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| 22 | logicalPalette->palVersion = 0x300;
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| 23 | logicalPalette->palNumEntries = colours;
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| 24 | MessageBox(0, "A", "A", MB_OK);
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| 25 | for (int i = 0; i < colours; i ++)
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| 26 | { logicalPalette->palPalEntry[i].peRed = bmpInfo->bmiColors[i].rgbRed;
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| 27 | logicalPalette->palPalEntry[i].peGreen = bmpInfo->bmiColors[i].rgbGreen;
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| 28 | logicalPalette->palPalEntry[i].peBlue = bmpInfo->bmiColors[i].rgbBlue;
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| 29 | logicalPalette->palPalEntry[i].peFlags = 0;
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| 30 | }
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| 31 | reply = CreatePalette(logicalPalette);
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| 32 | GlobalFree((HGLOBAL) logicalPalette);
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| 33 | }
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| 34 | return reply;
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| 35 | }
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| 36 |
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| 37 | HBITMAP _export bmpUtil_loadBitmap(HDC device, char *filename)
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| 38 | { BYTE dummy[2];
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| 39 | BITMAPINFO bitmapInfo;
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| 40 | OFSTRUCT of;
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| 41 |
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| 42 | HFILE file;
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| 43 | BITMAPFILEHEADER fileHeader;
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| 44 | LPRGBQUAD colours;
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| 45 | LPBITMAPINFO bitmapData;
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| 46 | LPBYTE image;
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| 47 | unsigned int colourCount;
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| 48 | HBITMAP reply;
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| 49 | char buffer[40];
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| 50 |
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| 51 | file = OpenFile(filename, &of, OF_READ);
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| 52 | if (!file)
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| 53 | { return NULL;
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| 54 | }
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| 55 |
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| 56 | if (!_lread(file, &fileHeader, sizeof(BITMAPFILEHEADER)))
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| 57 | { MessageBox(0, "M1", "M", MB_OK);
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| 58 | }
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| 59 | if (!_lread(file, &bitmapInfo.bmiHeader, 40))
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| 60 | { MessageBox(0, "M2", "M", MB_OK);
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| 61 | }
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| 62 |
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| 63 | colourCount = 1 << bitmapInfo.bmiHeader.biBitCount;
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| 64 | bitmapData = (BITMAPINFO *) GlobalAlloc(GMEM_FIXED, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * colourCount);
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| 65 | if (!bitmapData)
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| 66 | { MessageBox(0, "M3", "M", MB_OK);
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| 67 | }
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| 68 |
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| 69 | bitmapData->bmiHeader = bitmapInfo.bmiHeader;
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| 70 |
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| 71 | colours = (RGBQUAD *) &bitmapData->bmiColors;
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| 72 | if (_lread(file, colours, sizeof(RGBQUAD) * colourCount) < colourCount)
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| 73 | { MessageBox(0, "M4", "M", MB_OK);
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| 74 | }
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| 75 |
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| 76 | image = (BYTE FAR *) GlobalAlloc(GMEM_FIXED, sizeof(BYTE) * bitmapData->bmiHeader.biSizeImage);
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| 77 | if (!image)
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| 78 | { MessageBox(0, "M5", "M", MB_OK);
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| 79 | }
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| 80 | if (_lread(file, image, sizeof(BYTE) * bitmapData->bmiHeader.biSizeImage) < bitmapData->bmiHeader.biSizeImage)
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| 81 | { MessageBox(0, "M", "M6", MB_OK);
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| 82 | }
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| 83 |
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| 84 | HPALETTE pal = bmpUtil_getDIBPalette(bitmapData, colourCount);
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| 85 | sprintf(buffer, "%d", (int) pal);
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| 86 | MessageBox(0, buffer, "M0", MB_OK);
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| 87 |
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| 88 | reply = CreateCompatibleBitmap (device, 501, 228);
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| 89 | sprintf(buffer, "%d", reply);
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| 90 | MessageBox(0, buffer, "M1", MB_OK);
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| 91 | if (reply != NULL)
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| 92 | { int r = SetDIBits(device, reply, 0, bitmapData->bmiHeader.biHeight, image, bitmapData, DIB_RGB_COLORS);
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| 93 | sprintf(buffer, "%d", r);
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| 94 | MessageBox(0, buffer, "M2", MB_OK);
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| 95 | DeleteObject(reply);
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| 96 | }
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| 97 |
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| 98 | reply = CreateDIBitmap( device, &bitmapData->bmiHeader, CBM_INIT, image, bitmapData, DIB_RGB_COLORS);
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| 99 | sprintf(buffer, "%d", reply);
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| 100 | MessageBox(0, buffer, "M", MB_OK);
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| 101 | GlobalFree((HLOCAL) bitmapData);
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| 102 | GlobalFree((HLOCAL) image);
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| 103 | _lclose(file);
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| 104 | return reply;
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| 105 | }
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