| 1 | /* $Id: dibsect.h,v 1.27 2003-11-14 17:31:47 sandervl Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * GDI32 DIB sections
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| 5 | * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
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| 6 | * Project Odin Software License can be found in LICENSE.TXT
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| 7 | */
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| 8 | #ifndef __DIBSECT_H__
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| 9 | #define __DIBSECT_H__
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| 10 |
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| 11 | #ifdef OS2_INCLUDED
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| 12 | typedef struct
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| 13 | {
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| 14 | BYTE rgbBlue;
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| 15 | BYTE rgbGreen;
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| 16 | BYTE rgbRed;
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| 17 | BYTE rgbReserved;
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| 18 | } RGBQUAD, *LPRGBQUAD;
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| 19 |
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| 20 | typedef struct tagPALETTEENTRY
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| 21 | {
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| 22 | BYTE peRed, peGreen, peBlue, peFlags;
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| 23 | } PALETTEENTRY, *PPALETTEENTRY, *LPPALETTEENTRY;
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| 24 |
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| 25 | #else
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| 26 | #define BITMAPINFO2 DWORD
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| 27 | #endif
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| 28 |
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| 29 | #define FLIP_VERT 1
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| 30 | #define FLIP_HOR 2
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| 31 |
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| 32 | typedef struct {
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| 33 | DWORD biSize;
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| 34 | LONG biWidth;
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| 35 | LONG biHeight;
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| 36 | WORD biPlanes;
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| 37 | WORD biBitCount;
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| 38 | DWORD biCompression;
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| 39 | DWORD biSizeImage;
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| 40 | LONG biXPelsPerMeter;
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| 41 | LONG biYPelsPerMeter;
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| 42 | DWORD biClrUsed;
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| 43 | DWORD biClrImportant;
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| 44 | } BITMAPINFOHEADER_W;
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| 45 |
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| 46 | typedef struct
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| 47 | {
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| 48 | INT bmType;
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| 49 | INT bmWidth;
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| 50 | INT bmHeight;
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| 51 | INT bmWidthBytes;
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| 52 | WORD bmPlanes;
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| 53 | WORD bmBitsPixel;
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| 54 | LPVOID bmBits;
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| 55 | } BITMAP_W, *LPBITMAP_W;
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| 56 |
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| 57 | typedef struct {
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| 58 | BITMAPINFOHEADER_W bmiHeader;
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| 59 | RGBQUAD bmiColors[1];
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| 60 | } BITMAPINFO_W;
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| 61 | typedef BITMAPINFO *LPBITMAPINFO;
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| 62 |
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| 63 | #ifdef OS2_INCLUDED
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| 64 | #define DIB_RGB_COLORS 0
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| 65 | #define DIB_PAL_COLORS 1
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| 66 |
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| 67 | typedef struct
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| 68 | {
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| 69 | BITMAP_W dsBm;
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| 70 | BITMAPINFOHEADER_W dsBmih;
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| 71 | DWORD dsBitfields[3];
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| 72 | HANDLE dshSection;
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| 73 | DWORD dsOffset;
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| 74 | } DIBSECTION,*LPDIBSECTION;
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| 75 | #endif
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| 76 |
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| 77 | class DIBSection
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| 78 | {
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| 79 | public:
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| 80 | DIBSection(BITMAPINFOHEADER_W *pbmi, char *pColors, DWORD iUsage, DWORD hSection, DWORD dwOffset, DWORD handle, int fFlip);
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| 81 | ~DIBSection();
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| 82 |
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| 83 | char *GetDIBObject() { return bmpBits; };
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| 84 | void SelectDIBObject(HDC hdc);
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| 85 | int GetBitCount();
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| 86 | int GetHeight();
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| 87 | int GetWidth();
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| 88 | void UnSelectDIBObject() { this->hdc = 0; };
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| 89 |
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| 90 | DWORD GetBitmapHandle() { return handle; };
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| 91 | void SetBitmapHandle(DWORD bmphandle) { handle = bmphandle; };
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| 92 | DWORD GetRGBUsage() { return iUsage; };
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| 93 |
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| 94 | BOOL BitBlt(HDC hdcDest, int nXdest, int nYDest,
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| 95 | int nDestWidth, int nDestHeight,
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| 96 | int nXsrc, int nYSrc,
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| 97 | int nSrcWidth, int nSrcHeight,
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| 98 | DWORD Rop);
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| 99 | void sync(HDC hdc, DWORD nYdest, DWORD nDestHeight, BOOL orgYInversion = TRUE);
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| 100 | void sync(DWORD xDst, DWORD yDst, DWORD widthDst, DWORD heightDst, PVOID bits);
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| 101 | int SetDIBColorTable(int startIdx, int cEntries, RGBQUAD *rgb);
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| 102 | int GetDIBColorTable(int startIdx, int cEntries, RGBQUAD *rgb);
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| 103 | int SetDIBColorTable(int startIdx, int cEntries, PALETTEENTRY *rgb);
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| 104 |
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| 105 | int SetDIBits(HDC hdc, HBITMAP hbitmap, UINT startscan, UINT
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| 106 | lines, const VOID *bits, BITMAPINFOHEADER_W *pbmi,
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| 107 | UINT coloruse);
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| 108 |
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| 109 | int GetDIBSection(int iSize , void *lpBuffer);
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| 110 |
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| 111 | static DIBSection *getSection() { return section; } ;
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| 112 | static DIBSection *findObj(HANDLE handle);
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| 113 | static DIBSection *findHDC(HDC hdc);
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| 114 | static void deleteSection(HANDLE handle);
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| 115 |
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| 116 | static void initDIBSection();
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| 117 |
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| 118 | static void lock() { EnterCriticalSection(&dibcritsect); };
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| 119 | static void unlock() { LeaveCriticalSection(&dibcritsect); };
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| 120 |
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| 121 | protected:
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| 122 |
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| 123 | private:
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| 124 | DWORD handle, iUsage;
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| 125 | DWORD hSection, dwOffset;
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| 126 | HWND hwndParent;
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| 127 | HDC hdc;
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| 128 | char *bmpBits, *bmpBitsDblBuffer;
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| 129 | BOOL fFlip;
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| 130 | int bmpsize, os2bmphdrsize;
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| 131 | DIBSECTION dibinfo;
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| 132 |
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| 133 | BITMAPINFO2 *pOS2bmp;
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| 134 | // Linked list management
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| 135 | DIBSection* next; // Next DIB section
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| 136 | static DIBSection* section; // List of DIB sections
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| 137 |
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| 138 | static CRITICAL_SECTION dibcritsect;
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| 139 | };
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| 140 |
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| 141 | #define DIBSECTION_MARK_INVALID(a)
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| 142 | #define DIBSECTION_CHECK_IF_DIRTY(a)
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| 143 |
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| 144 | #endif
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| 145 |
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| 146 |
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