| 1 | /* $Id: dibitmap.cpp,v 1.6 2000-03-24 19:24:47 sandervl Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * GDI32 dib & bitmap code
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| 5 | *
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| 6 | * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
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| 7 | * Copyright 1998 Patrick Haller
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| 8 | *
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| 9 | * Project Odin Software License can be found in LICENSE.TXT
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| 10 | *
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| 11 | */
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| 12 | #include <os2win.h>
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| 13 | #include <stdlib.h>
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| 14 | #include <stdarg.h>
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| 15 | #include <string.h>
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| 16 | #include "misc.h"
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| 17 | #include "dibsect.h"
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| 18 |
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| 19 | #define DBG_LOCALLOG DBG_dibitmap
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| 20 | #include "dbglocal.h"
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| 21 |
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| 22 | //******************************************************************************
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| 23 | //******************************************************************************
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| 24 | HBITMAP WIN32API CreateDIBitmap(HDC hdc, const BITMAPINFOHEADER *lpbmih,
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| 25 | DWORD fdwInit, const void *lpbInit,
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| 26 | const BITMAPINFO *lpbmi, UINT fuUsage)
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| 27 | {
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| 28 | int iHeight;
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| 29 | HBITMAP rc;
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| 30 |
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| 31 | //TEMPORARY HACK TO PREVENT CRASH IN OPEN32 (WSeB GA)
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| 32 |
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| 33 | iHeight = lpbmih->biHeight;
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| 34 | if(lpbmih->biHeight < 0)
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| 35 | {
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| 36 | dprintf(("GDI32: CreateDIBitmap negative height! (%d,%d)", lpbmih->biWidth, lpbmih->biHeight));
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| 37 | ((BITMAPINFOHEADER *)lpbmih)->biHeight = -lpbmih->biHeight;
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| 38 | }
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| 39 |
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| 40 | rc = O32_CreateDIBitmap(hdc, lpbmih, fdwInit, lpbInit, lpbmi, fuUsage);
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| 41 |
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| 42 | dprintf(("GDI32: CreateDIBitmap %x %x %x %x returned %x", hdc, fdwInit, lpbInit, fuUsage, rc));
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| 43 |
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| 44 | ((BITMAPINFOHEADER *)lpbmih)->biHeight = iHeight;
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| 45 |
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| 46 | return rc;
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| 47 | }
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| 48 | //******************************************************************************
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| 49 | //******************************************************************************
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| 50 | HBITMAP WIN32API CreateCompatibleBitmap( HDC hdc, int nWidth, int nHeight)
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| 51 | {
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| 52 | dprintf(("GDI32: CreateCompatibleBitmap %x (%d,%d)", hdc, nWidth, nHeight));
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| 53 | return O32_CreateCompatibleBitmap(hdc, nWidth, nHeight);
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| 54 | }
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| 55 | //******************************************************************************
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| 56 | //CreateDisardableBitmap is obsolete and can be replaced by CreateCompatibleBitmap
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| 57 | //******************************************************************************
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| 58 | HBITMAP WIN32API CreateDiscardableBitmap(HDC hDC, int nWidth, int nHeight)
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| 59 | {
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| 60 | dprintf(("GDI32: CreateDisardableBitmap\n"));
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| 61 | return O32_CreateCompatibleBitmap(hDC, nWidth, nHeight);
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| 62 | }
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| 63 | //******************************************************************************
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| 64 | //******************************************************************************
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| 65 | HBITMAP WIN32API CreateBitmap(int nWidth, int nHeight, UINT cPlanes,
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| 66 | UINT cBitsPerPel, const void *lpvBits)
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| 67 | {
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| 68 | HBITMAP rc;
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| 69 |
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| 70 | rc = O32_CreateBitmap(nWidth, nHeight, cPlanes, cBitsPerPel, lpvBits);
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| 71 | dprintf(("GDI32: CreateBitmap (%d,%d) bps %d returned %x", nWidth, nHeight, cBitsPerPel, rc));
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| 72 | return(rc);
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| 73 | }
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| 74 | //******************************************************************************
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| 75 | //******************************************************************************
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| 76 | HBITMAP WIN32API CreateBitmapIndirect( const BITMAP * arg1)
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| 77 | {
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| 78 | dprintf(("GDI32: CreateBitmapIndirect"));
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| 79 | return O32_CreateBitmapIndirect(arg1);
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| 80 | }
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| 81 | //******************************************************************************
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| 82 | //*********************************************************************************
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| 83 | HBITMAP WIN32API CreateDIBSection( HDC hdc, BITMAPINFO *pbmi, UINT iUsage,
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| 84 | VOID **ppvBits, HANDLE hSection, DWORD dwOffset)
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| 85 | {
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| 86 | HBITMAP res = 0;
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| 87 | BOOL fFlip = 0;
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| 88 | int iHeight, iWidth;
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| 89 | BOOL fCreateDC = FALSE;
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| 90 |
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| 91 | dprintf(("GDI32: CreateDIBSection %x %x %x %x %d", hdc, iUsage, ppvBits, hSection, dwOffset));
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| 92 |
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| 93 | //SvL: 13-9-98: StarCraft uses bitmap with negative height
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| 94 | iWidth = pbmi->bmiHeader.biWidth;
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| 95 | if(pbmi->bmiHeader.biWidth < 0)
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| 96 | {
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| 97 | dprintf(("CreateDIBSection: width %d", pbmi->bmiHeader.biWidth));
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| 98 | pbmi->bmiHeader.biWidth = -pbmi->bmiHeader.biWidth;
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| 99 | fFlip = FLIP_HOR;
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| 100 | }
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| 101 | iHeight = pbmi->bmiHeader.biHeight;
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| 102 | if(pbmi->bmiHeader.biHeight < 0)
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| 103 | {
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| 104 | dprintf(("CreateDIBSection: height %d", pbmi->bmiHeader.biHeight));
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| 105 | pbmi->bmiHeader.biHeight = -pbmi->bmiHeader.biHeight;
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| 106 | fFlip |= FLIP_VERT;
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| 107 | }
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| 108 |
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| 109 | //SvL: RP7 (update) calls this api with hdc == 0
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| 110 | if(hdc == 0) {
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| 111 | hdc = GetWindowDC(GetDesktopWindow());
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| 112 | fCreateDC = TRUE;
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| 113 | }
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| 114 | res = O32_CreateDIBitmap(hdc, &pbmi->bmiHeader, 0, NULL, pbmi, iUsage);
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| 115 | if (res)
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| 116 | {
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| 117 | char PalSize;
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| 118 | DIBSection *dsect;
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| 119 |
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| 120 | dsect = new DIBSection((BITMAPINFOHEADER_W *)&pbmi->bmiHeader, (char *)&pbmi->bmiColors, iUsage, hSection, dwOffset, (DWORD)res, fFlip);
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| 121 |
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| 122 | if(dsect != NULL)
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| 123 | {
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| 124 | PalSize = dsect->GetBitCount();
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| 125 | if(PalSize <= 8)
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| 126 | {
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| 127 | ULONG Pal[256];
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| 128 | LOGPALETTE tmpPal = { 0x300,1,{0,0,0,0}};
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| 129 | HPALETTE hpalCur, hpalTmp;
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| 130 |
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| 131 | // Now get the current Palette from the DC
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| 132 | hpalTmp = CreatePalette(&tmpPal);
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| 133 | hpalCur = SelectPalette(hdc, hpalTmp, FALSE);
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| 134 |
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| 135 | // and use it to set the DIBColorTable
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| 136 | GetPaletteEntries( hpalCur, 0, 1<<PalSize, (LPPALETTEENTRY)&Pal);
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| 137 | dsect->SetDIBColorTable(0, 1<< PalSize, (RGBQUAD*)&Pal);
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| 138 |
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| 139 | // Restore the DC Palette
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| 140 | SelectPalette(hdc,hpalCur,FALSE);
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| 141 | DeleteObject(hpalTmp);
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| 142 | }
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| 143 | //SvL: Shouldn't an app explicitely select the dib section into the hdc?
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| 144 | // (RealPlayer does this)
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| 145 | #if 0
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| 146 | // Set the hdc in the DIBSection so we can update the palete if a new
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| 147 | // Palette etc. gets selected into the DC.
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| 148 |
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| 149 | dsect->SelectDIBObject(hdc);
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| 150 | #endif
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| 151 |
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| 152 | if(ppvBits!=NULL)
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| 153 | *ppvBits = dsect->GetDIBObject();
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| 154 |
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| 155 | pbmi->bmiHeader.biWidth = iWidth;
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| 156 | pbmi->bmiHeader.biHeight = iHeight;
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| 157 |
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| 158 | if(fCreateDC) ReleaseDC(GetDesktopWindow(), hdc);
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| 159 | return(res);
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| 160 | }
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| 161 | }
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| 162 | if(fCreateDC) ReleaseDC(GetDesktopWindow(), hdc);
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| 163 |
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| 164 | /* Error. */
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| 165 | if (res)
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| 166 | DeleteObject(res);
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| 167 | *ppvBits = NULL;
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| 168 | #ifdef DEBUG
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| 169 | dprintf(("GDI32: CreateDIBSection, error!\n"));
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| 170 | dprintf(("pbmi->biWidth %d", pbmi->bmiHeader.biWidth));
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| 171 | dprintf(("pbmi->biHeight %d", pbmi->bmiHeader.biHeight));
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| 172 | dprintf(("pbmi->biBitCount %d", pbmi->bmiHeader.biBitCount));
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| 173 | #endif
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| 174 |
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| 175 | return 0;
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| 176 | }
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| 177 | //******************************************************************************
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| 178 | //******************************************************************************
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| 179 | UINT WIN32API GetDIBColorTable( HDC hdc, UINT uStartIndex, UINT cEntries,
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| 180 | RGBQUAD *pColors)
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| 181 | {
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| 182 | HPALETTE hpal = GetCurrentObject(hdc, OBJ_PAL);
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| 183 | UINT rc;
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| 184 | int i;
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| 185 |
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| 186 | rc = O32_GetPaletteEntries(hpal,
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| 187 | uStartIndex,
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| 188 | cEntries,
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| 189 | (PALETTEENTRY *)pColors);
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| 190 | for(i=0;
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| 191 | i<cEntries;
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| 192 | i++)
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| 193 | {
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| 194 | BYTE tmp;
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| 195 | tmp = pColors[i].rgbBlue;
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| 196 | pColors[i].rgbBlue = pColors[i].rgbRed;
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| 197 | pColors[i].rgbRed = tmp;
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| 198 | pColors[i].rgbReserved = 0;
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| 199 | }
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| 200 | dprintf(("GDI32: GetDIBColorTable returns %d\n", rc));
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| 201 | return(rc);
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| 202 | }
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| 203 | //******************************************************************************
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| 204 | //******************************************************************************
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| 205 | UINT WIN32API SetDIBColorTable(HDC hdc, UINT uStartIndex, UINT cEntries,
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| 206 | RGBQUAD *pColors)
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| 207 | {
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| 208 | DIBSection *dsect = DIBSection::findHDC(hdc);
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| 209 |
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| 210 | dprintf(("GDI32: SetDIBColorTable\n"));
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| 211 | if(dsect)
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| 212 | {
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| 213 | return(dsect->SetDIBColorTable(uStartIndex, cEntries, pColors));
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| 214 | }
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| 215 | else
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| 216 | return(0);
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| 217 | }
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| 218 | //******************************************************************************
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| 219 | //******************************************************************************
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| 220 | LONG WIN32API GetBitmapBits( HBITMAP hBitmap, LONG arg2, PVOID arg3)
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| 221 | {
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| 222 | dprintf(("GDI32: GetBitmapBits %x", hBitmap));
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| 223 | return O32_GetBitmapBits(hBitmap, arg2, arg3);
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| 224 | }
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| 225 | //******************************************************************************
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| 226 | //******************************************************************************
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| 227 | LONG WIN32API SetBitmapBits( HBITMAP hBitmap, LONG arg2, const VOID * arg3)
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| 228 | {
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| 229 | dprintf(("GDI32: SetBitmapBits %x", hBitmap));
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| 230 | return O32_SetBitmapBits(hBitmap, (DWORD)arg2, arg3);
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| 231 | }
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| 232 | //******************************************************************************
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| 233 | //******************************************************************************
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| 234 | BOOL WIN32API GetBitmapDimensionEx( HBITMAP hBitmap, PSIZE pSize)
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| 235 | {
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| 236 | dprintf(("GDI32: GetBitmapDimensionEx %x (%d,%d)", hBitmap, pSize->cx, pSize->cy));
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| 237 | return O32_GetBitmapDimensionEx(hBitmap, pSize);
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| 238 | }
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| 239 | //******************************************************************************
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| 240 | //******************************************************************************
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| 241 | BOOL WIN32API SetBitmapDimensionEx( HBITMAP arg1, int arg2, int arg3, PSIZE arg4)
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| 242 | {
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| 243 | dprintf(("GDI32: SetBitmapDimensionEx"));
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| 244 | return O32_SetBitmapDimensionEx(arg1, arg2, arg3, arg4);
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| 245 | }
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| 246 | //******************************************************************************
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| 247 | //******************************************************************************
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| 248 | int WIN32API GetDIBits(HDC hdc, HBITMAP hBitmap, UINT uStartScan, UINT cScanLines,
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| 249 | void *lpvBits, PBITMAPINFO lpbi, UINT uUsage)
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| 250 | {
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| 251 | int rc;
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| 252 |
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| 253 | rc = O32_GetDIBits(hdc, hBitmap, uStartScan, cScanLines, lpvBits, lpbi, uUsage);
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| 254 | dprintf(("GDI32: GetDIBits %x %x %d %d %x %x %d returned %d", hdc, hBitmap, uStartScan, cScanLines, lpvBits, lpbi, uUsage, rc));
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| 255 | return rc;
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| 256 | }
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| 257 | //******************************************************************************
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| 258 | //******************************************************************************
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| 259 | int WIN32API SetDIBits( HDC arg1, HBITMAP arg2, UINT arg3, UINT arg4, const VOID * arg5, const BITMAPINFO * arg6, UINT arg7)
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| 260 | {
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| 261 | dprintf(("GDI32: SetDIBits %x %x %x %x %x %x %x\n", arg1, arg2, arg3, arg4, arg5, arg6, arg7));
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| 262 |
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| 263 | if(DIBSection::getSection() != NULL)
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| 264 | {
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| 265 | DIBSection *dsect;
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| 266 |
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| 267 | dsect = DIBSection::find((DWORD)arg2);
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| 268 | if(dsect) {
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| 269 | return dsect->SetDIBits(arg1, arg2, arg3, arg4, arg5, (BITMAPINFOHEADER_W *)&arg6->bmiHeader, arg7);
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| 270 | }
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| 271 | }
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| 272 | return O32_SetDIBits(arg1, arg2, arg3, arg4, arg5, arg6, arg7);
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| 273 | }
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| 274 | //******************************************************************************
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| 275 | //******************************************************************************
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