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WIP: fix 560x384 screenshots (600x420 for the time being)
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parent
fdd1d73ba6
commit
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106
source/Video.cpp
106
source/Video.cpp
@ -1561,46 +1561,41 @@ void Video_TakeScreenShot( int iScreenShotType )
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g_nLastScreenShot++;
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}
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typedef char int8;
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typedef short int16;
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typedef int int32;
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typedef unsigned char u8;
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typedef signed short s16;
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/// turn of MSVC struct member padding
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#pragma pack(push,1)
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#ifdef _MSC_VER
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/// turn of MSVC struct member padding
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#pragma pack(push,1)
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#endif
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struct bgra_t
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{
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u8 b;
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u8 g;
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u8 r;
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u8 a; // reserved on Win32
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uint8_t b;
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uint8_t g;
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uint8_t r;
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uint8_t a; // reserved on Win32
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};
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struct WinBmpHeader_t
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{
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// BITMAPFILEHEADER // Addr Size
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char nCookie[2] ; // 0x00 0x02 BM
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int32 nSizeFile ; // 0x02 0x04 0 = ignore
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int16 nReserved1 ; // 0x06 0x02
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int16 nReserved2 ; // 0x08 0x02
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int32 nOffsetData ; // 0x0A 0x04
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uint8_t nCookie[2] ; // 0x00 0x02 BM
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uint32_t nSizeFile ; // 0x02 0x04 0 = ignore
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uint16_t nReserved1 ; // 0x06 0x02
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uint16_t nReserved2 ; // 0x08 0x02
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uint32_t nOffsetData ; // 0x0A 0x04
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// == 0x0D (14)
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// BITMAPINFOHEADER
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int32 nStructSize ; // 0x0E 0x04 biSize
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int32 nWidthPixels ; // 0x12 0x04 biWidth
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int32 nHeightPixels ; // 0x16 0x04 biHeight
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int16 nPlanes ; // 0x1A 0x02 biPlanes
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int16 nBitsPerPixel ; // 0x1C 0x02 biBitCount
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int32 nCompression ; // 0x1E 0x04 biCompression 0 = BI_RGB
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int32 nSizeImage ; // 0x22 0x04 0 = ignore
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int32 nXPelsPerMeter ; // 0x26 0x04
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int32 nYPelsPerMeter ; // 0x2A 0x04
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int32 nPaletteColors ; // 0x2E 0x04
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int32 nImportantColors; // 0x32 0x04
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uint32_t nStructSize ; // 0x0E 0x04 biSize
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uint32_t nWidthPixels ; // 0x12 0x04 biWidth
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uint32_t nHeightPixels ; // 0x16 0x04 biHeight
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uint16_t nPlanes ; // 0x1A 0x02 biPlanes
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uint16_t nBitsPerPixel ; // 0x1C 0x02 biBitCount
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uint32_t nCompression ; // 0x1E 0x04 biCompression 0 = BI_RGB
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uint32_t nSizeImage ; // 0x22 0x04 0 = ignore
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uint32_t nXPelsPerMeter ; // 0x26 0x04
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uint32_t nYPelsPerMeter ; // 0x2A 0x04
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uint32_t nPaletteColors ; // 0x2E 0x04
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uint32_t nImportantColors; // 0x32 0x04
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// == 0x28 (40)
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// RGBQUAD
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@ -1644,22 +1639,30 @@ WinBmpHeader_t g_tBmpHeader;
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void Video_MakeScreenShot(FILE *pFile)
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{
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#if SCREENSHOT_BMP
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g_tBmpHeader.nCookie[ 0 ] = 'B'; // 0x42
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g_tBmpHeader.nCookie[ 1 ] = 'M'; // 0x4d
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g_tBmpHeader.nSizeFile = 0;
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g_tBmpHeader.nReserved1 = 0;
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g_tBmpHeader.nReserved2 = 0;
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g_tBmpHeader.nOffsetData = sizeof(WinBmpHeader_t) + (256 * sizeof(bgra_t));
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g_tBmpHeader.nStructSize = 0x28; // sizeof( WinBmpHeader_t );
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g_tBmpHeader.nWidthPixels = g_iScreenshotType ? FRAMEBUFFER_W/2 :FRAMEBUFFER_W;
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g_tBmpHeader.nHeightPixels = g_iScreenshotType ? FRAMEBUFFER_H/2 : FRAMEBUFFER_H;
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g_tBmpHeader.nPlanes = 1;
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g_tBmpHeader.nBitsPerPixel = 8;
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g_tBmpHeader.nCompression = BI_RGB;
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g_tBmpHeader.nSizeImage = 0;
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g_tBmpHeader.nXPelsPerMeter = 0;
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g_tBmpHeader.nYPelsPerMeter = 0;
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g_tBmpHeader.nPaletteColors = 256;
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g_tBmpHeader.nCookie[ 0 ] = 'B'; // 0x42
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g_tBmpHeader.nCookie[ 1 ] = 'M'; // 0x4d
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g_tBmpHeader.nSizeFile = 0;
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g_tBmpHeader.nReserved1 = 0;
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g_tBmpHeader.nReserved2 = 0;
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g_tBmpHeader.nOffsetData = sizeof(WinBmpHeader_t) + (256 * sizeof(bgra_t));
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g_tBmpHeader.nStructSize = 0x28; // sizeof( WinBmpHeader_t );
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g_tBmpHeader.nWidthPixels = g_iScreenshotType ? FRAMEBUFFER_W/2 :FRAMEBUFFER_W;
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g_tBmpHeader.nHeightPixels = g_iScreenshotType ? FRAMEBUFFER_H/2 : FRAMEBUFFER_H;
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g_tBmpHeader.nPlanes = 1;
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#if VIDEO_SCREENSHOT_PALETTE
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g_tBmpHeader.nBitsPerPixel = 8;
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#else
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g_tBmpHeader.nBitsPerPixel = 32;
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#endif
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g_tBmpHeader.nCompression = BI_RGB; // none
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g_tBmpHeader.nSizeImage = 0;
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g_tBmpHeader.nXPelsPerMeter = 0;
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g_tBmpHeader.nYPelsPerMeter = 0;
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#if VIDEO_SCREENSHOT_PALETTE
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g_tBmpHeader.nPaletteColors = 256;
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#else
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g_tBmpHeader.nPaletteColors = 0;
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#endif
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g_tBmpHeader.nImportantColors = 0;
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// char sText[256];
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@ -1675,24 +1678,27 @@ void Video_MakeScreenShot(FILE *pFile)
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int nLen;
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fwrite( &g_tBmpHeader, sizeof( g_tBmpHeader ), 1, pFile );
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uint32_t *pSrc;
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#if VIDEO_SCREENSHOT_PALETTE
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// Write Palette Data
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u8 *pSrc = ((u8*)g_pFramebufferinfo) + sizeof(BITMAPINFOHEADER);
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pSrc = ((uint8_t*)g_pFramebufferinfo) + sizeof(BITMAPINFOHEADER);
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nLen = g_tBmpHeader.nPaletteColors * sizeof(bgra_t); // RGBQUAD
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fwrite( pSrc, nLen, 1, pFile );
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pSrc += nLen;
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#endif
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// Write Pixel Data
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// No need to use GetDibBits() since we already have http://msdn.microsoft.com/en-us/library/ms532334.aspx
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// @reference: "Storing an Image" http://msdn.microsoft.com/en-us/library/ms532340(VS.85).aspx
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pSrc = ((uint8_t*)g_pFramebufferbits);
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nLen = g_tBmpHeader.nWidthPixels * g_tBmpHeader.nHeightPixels * g_tBmpHeader.nBitsPerPixel / 8;
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pSrc = (uint32_t*) g_pFramebufferbits;
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nLen = (g_tBmpHeader.nWidthPixels * g_tBmpHeader.nHeightPixels * g_tBmpHeader.nBitsPerPixel) / 8;
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if( g_iScreenshotType == SCREENSHOT_280x192 )
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{
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pSrc += FRAMEBUFFER_W; // Start on odd scanline (otherwise for 50% scanline mode get an all black image!)
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u8 aScanLine[ 280 ];
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u8 *pDst;
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uint32_t aScanLine[ 280 ];
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uint32_t *pDst;
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// 50% Half Scan Line clears every odd scanline.
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// SHIFT+PrintScreen saves only the even rows.
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