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https://github.com/isledecomp/isle.git
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907c85616b
* Minor improvements all related to SetupCopyRect * Rename inline getters. malloc/free -> new/delete * MxTypes in TransitionManager. Remove stub marker (oops)
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
#ifndef MXBITMAP_H
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#define MXBITMAP_H
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#include <stdlib.h>
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#include "mxcore.h"
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#include "mxpalette.h"
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#include "mxtypes.h"
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// The stock BITMAPINFO struct from wingdi.h only makes room for one color
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// in the palette. It seems like the expectation (if you use the struct)
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// is to malloc as much as you actually need, and then index into the array
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// anyway even though its stated size is [1].
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// https://learn.microsoft.com/en-us/windows/win32/api/wingdi/ns-wingdi-bitmapinfo
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// In our case, the size 0x428 is used frequently, which matches
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// a 40-byte header plus 256 colors, so just use that as our template.
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// SIZE 0x428
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struct MxBITMAPINFO {
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BITMAPINFOHEADER bmiHeader;
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RGBQUAD bmiColors[256];
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};
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// These values are the bit depth, set in the registry
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#define LOWCOLOR 0 // 256 color
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#define HIGHCOLOR 1 // High Color (16-bit)
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// SIZE 0x20
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// VTABLE 0x100dc7b0
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class MxBitmap : public MxCore
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{
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public:
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__declspec(dllexport) MxBitmap();
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__declspec(dllexport) virtual ~MxBitmap(); // vtable+00
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virtual MxResult ImportBitmap(MxBitmap *p_bitmap); // vtable+14
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virtual MxResult ImportBitmapInfo(MxBITMAPINFO *p_info); // vtable+18
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virtual MxResult SetSize(int p_width, int p_height, MxPalette *p_palette, int); // vtable+1c
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virtual MxResult LoadFile(HANDLE p_handle); // vtable+20
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__declspec(dllexport) virtual MxLong Read(const char *p_filename); // vtable+24
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virtual int vtable28(int);
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virtual void vtable2c(int, int, int, int, int, int, int);
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virtual void vtable30(int, int, int, int, int, int, int);
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__declspec(dllexport) virtual MxPalette *CreatePalette(); // vtable+34
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virtual void ImportPalette(MxPalette* p_palette); // vtable+38
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virtual MxResult SetBitDepth(MxBool); // vtable+3c
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virtual MxResult StretchBits(HDC p_hdc, int p_xSrc, int p_ySrc, int p_xDest, int p_yDest, int p_destWidth, int p_destHeight); // vtable+40
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inline BITMAPINFOHEADER *GetBmiHeader() const { return m_bmiHeader; }
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private:
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MxResult ImportColorsToPalette(RGBQUAD*, MxPalette*);
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MxBITMAPINFO *m_info; // 0x8
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BITMAPINFOHEADER *m_bmiHeader; // 0xc
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RGBQUAD *m_paletteData; // 0x10
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LPVOID *m_data; // 0x14
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MxBool m_bitDepth; // 0x18
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MxPalette *m_palette; // 0x1c
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};
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#endif // MXBITMAP_H
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