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https://github.com/ValveSoftware/Proton.git
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402 lines
12 KiB
C
402 lines
12 KiB
C
//*@@@+++@@@@******************************************************************
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//
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// Copyright © Microsoft Corp.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// • Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// • Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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//*@@@---@@@@******************************************************************
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#include <stdlib.h>
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#include <string.h>
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#include <JXRTest.h>
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#pragma pack(push, 1)
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#define BI_RGB 0
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#define BI_BITFIELDS 3
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#define BI_RGB555_MASK_B 0x001F
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#define BI_RGB555_MASK_G 0x03E0
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#define BI_RGB555_MASK_R 0x7C00
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#define BI_RGB565_MASK_B 0x001F
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#define BI_RGB565_MASK_G 0x07E0
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#define BI_RGB565_MASK_R 0xF800
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#define BI_RGB101010_MASK_B 0x000003FF
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#define BI_RGB101010_MASK_G 0x000FFC00
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#define BI_RGB101010_MASK_R 0x3FF00000
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typedef struct tagBITMAPFILEHEADER {
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U8 szBM[2];
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U32 uSize;
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U16 reserved1;
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U16 reserved2;
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U32 uOffBits;
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} BITMAPFILEHEADER, *PBITMAPFILEHEADER;
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typedef struct tagBITMAPINFOHEADER{
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U32 uSize;
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I32 iWidth;
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I32 iHeight;
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I16 iPlanes;
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I16 iBitCount;
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U32 uCompression;
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U32 uImageSize;
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I32 iPelsPerMeterX;
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I32 iPelsPerMeterY;
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U32 uColorUsed;
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U32 uColorImportant;
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} BITMAPINFOHEADER, *PBITMAPINFOHEADER;
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typedef struct tagBITMAPINFOHEADEREXT{
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U32 uA;
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U32 uB;
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U32 uC;
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U32 uD;
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} BITMAPINFOHEADEREXT, *PBITMAPINFOHEADEREXT;
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#pragma pack(pop)
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//================================================================
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// PKImageEncode_BMP
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//================================================================
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ERR WriteBMPHeader(
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PKImageEncode* pIE)
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{
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ERR err = WMP_errSuccess;
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static U32 rguColorTable[256] = {0};
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size_t cbColorTable = 0;
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size_t cbLineS = 0;
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U32 i = 0;
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struct WMPStream* pS = pIE->pStream;
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BITMAPFILEHEADER bmpFH = { 0, };
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BITMAPINFOHEADER bmpIH = {sizeof(bmpIH), 0, };
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bmpFH.szBM[0] = 'B';
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bmpFH.szBM[1] = 'M';
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if (IsEqualGUID(&GUID_PKPixelFormat24bppRGB, &pIE->guidPixFormat) || IsEqualGUID(&GUID_PKPixelFormat24bppBGR, &pIE->guidPixFormat))
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{
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pIE->cbPixel = 3;
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cbColorTable = 0;
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}
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else if (IsEqualGUID(&GUID_PKPixelFormat32bppBGRA, &pIE->guidPixFormat)
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|| IsEqualGUID(&GUID_PKPixelFormat32bppBGR, &pIE->guidPixFormat)
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|| IsEqualGUID(&GUID_PKPixelFormat32bppPBGRA, &pIE->guidPixFormat))
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{
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pIE->cbPixel = 4;
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cbColorTable = 0;
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}
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else if (IsEqualGUID(&GUID_PKPixelFormat8bppGray, &pIE->guidPixFormat))
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{
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pIE->cbPixel = 1;
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cbColorTable = sizeof(rguColorTable);
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for (i = 0; i < sizeof2(rguColorTable); ++i)
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{
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rguColorTable[i] = i | (i << 8) | (i << 16);
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}
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}
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else if (IsEqualGUID(&GUID_PKPixelFormat16bppRGB555, &pIE->guidPixFormat))
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{
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pIE->cbPixel = 2;
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bmpIH.uCompression = BI_BITFIELDS;
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cbColorTable = sizeof(rguColorTable[0]) * 3;
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rguColorTable[0] = BI_RGB555_MASK_R;
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rguColorTable[1] = BI_RGB555_MASK_G;
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rguColorTable[2] = BI_RGB555_MASK_B;
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}
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else if (IsEqualGUID(&GUID_PKPixelFormat16bppRGB565, &pIE->guidPixFormat))
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{
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pIE->cbPixel = 2;
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bmpIH.uCompression = BI_BITFIELDS;
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cbColorTable = sizeof(rguColorTable[0]) * 3;
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rguColorTable[0] = BI_RGB565_MASK_R;
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rguColorTable[1] = BI_RGB565_MASK_G;
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rguColorTable[2] = BI_RGB565_MASK_B;
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}
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else if (IsEqualGUID(&GUID_PKPixelFormat32bppRGB101010, &pIE->guidPixFormat))
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{
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pIE->cbPixel = 4;
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bmpIH.uCompression = BI_BITFIELDS;
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cbColorTable = sizeof(rguColorTable[0]) * 3;
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rguColorTable[0] = BI_RGB101010_MASK_R;
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rguColorTable[1] = BI_RGB101010_MASK_G;
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rguColorTable[2] = BI_RGB101010_MASK_B;
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}
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else
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Call(WMP_errUnsupportedFormat);
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cbLineS = (pIE->cbPixel * pIE->uWidth + 3) / 4 * 4;
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bmpFH.uOffBits = (U32)(sizeof(bmpFH) + sizeof(bmpIH) + cbColorTable);
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bmpFH.uSize = (U32)(bmpFH.uOffBits + cbLineS * pIE->uHeight);
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bmpIH.iWidth = pIE->uWidth;
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bmpIH.iHeight = pIE->uHeight;
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bmpIH.iPlanes = 1;
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bmpIH.iBitCount = (I16)(8 * pIE->cbPixel);
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bmpIH.uImageSize = (U32)(cbLineS * pIE->uHeight);
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bmpIH.iPelsPerMeterX = (I32)(pIE->fResX * 39.37);
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bmpIH.iPelsPerMeterY = (I32)(pIE->fResY * 39.37);
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Call(pS->Write(pS, &bmpFH, sizeof(bmpFH)));
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Call(pS->Write(pS, &bmpIH, sizeof(bmpIH)));
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Call(pS->Write(pS, rguColorTable, cbColorTable));
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pIE->offPixel = pIE->offStart + bmpFH.uOffBits;
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pIE->fHeaderDone = !FALSE;
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Cleanup:
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return err;
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}
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ERR PKImageEncode_WritePixels_BMP(
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PKImageEncode* pIE,
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U32 cLine,
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U8* pbPixel,
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U32 cbStride)
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{
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ERR err = WMP_errSuccess;
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struct WMPStream* pS = pIE->pStream;
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size_t cbLineM = 0, cbLineS = 0;
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I32 i = 0;
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static U8 pPadding[4] = {0};
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// header
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if (!pIE->fHeaderDone)
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{
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// WriteBMPHeader() also inits this object
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Call(WriteBMPHeader(pIE));
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}
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// body
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// calculate line size in memory and in stream
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cbLineM = pIE->cbPixel * pIE->uWidth;
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cbLineS = (cbLineM + 3) / 4 * 4;
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//FailIf(pRect->X < 0 || pID->uWidth <= pRect->X, WMP_errInvalidParameter);
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//FailIf(pRect->Y < 0 || pID->uHeight <= pRect->Y, WMP_errInvalidParameter);
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//FailIf(pRect->Width < 0 || pID->uWidth < pRect->X + pRect->Width, WMP_errInvalidParameter);
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//FailIf(pRect->Height < 0 || pID->uHeight < pRect->Y + pRect->Height, WMP_errInvalidParameter);
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FailIf(cbStride < cbLineM, WMP_errInvalidParameter);
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for (i = cLine - 1; 0 <= i; --i)
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{
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size_t offM = cbStride * i;
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size_t offS = cbLineS * (pIE->uHeight - (pIE->idxCurrentLine + i + 1));
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Call(pS->SetPos(pS, pIE->offPixel + offS));
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Call(pS->Write(pS, pbPixel + offM, cbLineM));
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}
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Call(pS->Write(pS, pPadding, (cbLineS - cbLineM)));
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pIE->idxCurrentLine += cLine;
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Cleanup:
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return err;
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}
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ERR PKImageEncode_Create_BMP(
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PKImageEncode** ppIE)
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{
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ERR err = WMP_errSuccess;
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PKImageEncode* pIE = NULL;
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Call(PKImageEncode_Create(ppIE));
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pIE = *ppIE;
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pIE->WritePixels = PKImageEncode_WritePixels_BMP;
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Cleanup:
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return err;
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}
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//================================================================
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// PKImageDecode_BMP
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//================================================================
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ERR ParseBMPHeader(
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PKTestDecode* pID,
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struct WMPStream* pWS)
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{
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ERR err = WMP_errSuccess;
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BITMAPFILEHEADER bmpFH = {0};
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BITMAPINFOHEADER bmpIH = {0};
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static U32 bmpIHE[32] = {0}; // should be >= sizeof(BITMAPV5HEADER) - sizeof(BITMAPINFOHEADER)
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static U32 rguColorTable[256] = {0};
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U32 i = 0;
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Call(pWS->Read(pWS, &bmpFH, sizeof(bmpFH)));
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FailIf(bmpFH.szBM != (U8 *) strstr((char *) bmpFH.szBM, "BM"), WMP_errUnsupportedFormat);
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Call(pWS->Read(pWS, &bmpIH, sizeof(bmpIH)));
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FailIf(((sizeof(bmpIH) > bmpIH.uSize) || ((sizeof(bmpIH) + sizeof(bmpIHE)) < bmpIH.uSize)), WMP_errUnsupportedFormat);
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if (sizeof(bmpIH) < bmpIH.uSize)
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Call(pWS->Read(pWS, &bmpIHE, bmpIH.uSize - sizeof(bmpIH)));
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switch (bmpIH.iBitCount)
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{
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case 8:
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// check the color table to verify the image is actually gray scale
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Call(pWS->Read(pWS, rguColorTable, sizeof(rguColorTable)));
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for (i = 0; i < sizeof2(rguColorTable); ++i)
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{
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U32 c = i | (i << 8) | (i << 16);
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FailIf(c != rguColorTable[i], WMP_errUnsupportedFormat);
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}
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pID->guidPixFormat = GUID_PKPixelFormat8bppGray;
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pID->EXT.BMP.cbPixel = 1;
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break;
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case 16:
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// Call(pWS->Read(pWS, rguColorTable, sizeof(rguColorTable[0] * 3)));
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/* if (BI_RGB555_MASK_B == rguColorTable[0] && BI_RGB555_MASK_G == rguColorTable[1] && BI_RGB555_MASK_R == rguColorTable[2])
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{
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pID->guidPixFormat = GUID_PKPixelFormat16bppRGB555;
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}
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if (BI_RGB565_MASK_B == rguColorTable[0] && BI_RGB565_MASK_G == rguColorTable[1] && BI_RGB565_MASK_R == rguColorTable[2])
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{
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pID->guidPixFormat = GUID_PKPixelFormat16bppRGB565;
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}
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else
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{
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Call(WMP_errUnsupportedFormat);
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}
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*/
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pID->EXT.BMP.cbPixel = 2;
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break;
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case 24:
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pID->guidPixFormat = GUID_PKPixelFormat24bppBGR;
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pID->EXT.BMP.cbPixel = 3;
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break;
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case 32:
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/* Call(pWS->Read(pWS, rguColorTable, sizeof(rguColorTable[0] * 3)));
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if (BI_RGB101010_MASK_B == rguColorTable[0] && BI_RGB101010_MASK_G == rguColorTable[1] && BI_RGB101010_MASK_R == rguColorTable[2])
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{
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pID->guidPixFormat = GUID_PKPixelFormat32bppRGB101010;
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}
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else
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{
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Call(WMP_errUnsupportedFormat);
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}
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*/
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// pID->guidPixFormat = GUID_PKPixelFormat32bppBGRA;
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pID->EXT.BMP.cbPixel = 4;
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break;
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default:
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Call(WMP_errUnsupportedFormat);
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break;
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}
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pID->uWidth = (U32)bmpIH.iWidth;
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pID->uHeight = (U32)bmpIH.iHeight;
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pID->fResX = (0 == bmpIH.iPelsPerMeterX ? 96 : (Float)(bmpIH.iPelsPerMeterX * .0254));
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pID->fResY = (0 == bmpIH.iPelsPerMeterY ? 96 : (Float)(bmpIH.iPelsPerMeterY * .0254));
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pID->EXT.BMP.offPixel = pID->offStart + bmpFH.uOffBits;
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Cleanup:
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return err;
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}
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ERR PKImageDecode_Initialize_BMP(
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PKTestDecode* pID,
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struct WMPStream* pWS)
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{
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ERR err = WMP_errSuccess;
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Call(PKTestDecode_Initialize(pID, pWS));
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Call(ParseBMPHeader(pID, pWS));
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Cleanup:
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return err;
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}
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ERR PKImageDecode_Copy_BMP(
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PKTestDecode* pID,
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const PKRect* pRect,
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U8* pb,
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U32 cbStride)
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{
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ERR err = WMP_errSuccess;
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struct WMPStream* pS = pID->pStream;
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size_t cbLineS = (pID->EXT.BMP.cbPixel * pID->uWidth + 3) / 4 * 4;
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size_t cbLineM = pID->EXT.BMP.cbPixel * pRect->Width;
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I32 i = 0;
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//FailIf(pRect->X < 0 || pID->uWidth <= pRect->X, WMP_errInvalidParameter);
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//FailIf(pRect->Y < 0 || pID->uHeight <= pRect->Y, WMP_errInvalidParameter);
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//FailIf(pRect->Width < 0 || pID->uWidth < pRect->X + pRect->Width, WMP_errInvalidParameter);
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//FailIf(pRect->Height < 0 || pID->uHeight < pRect->Y + pRect->Height, WMP_errInvalidParameter);
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FailIf(cbStride < cbLineM, WMP_errInvalidParameter);
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for (i = pRect->Y + pRect->Height - 1; pRect->Y <= i; --i)
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{
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size_t offLine = pID->EXT.BMP.cbPixel * pRect->X;
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size_t offS = cbLineS * (pID->uHeight - i - 1) + offLine;
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size_t offM = cbStride * (i - pRect->Y) + offLine;
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Call(pS->SetPos(pS, pID->EXT.BMP.offPixel + offS));
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Call(pS->Read(pS, pb + offM, cbLineM));
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}
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Cleanup:
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return err;
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}
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ERR PKImageDecode_Create_BMP(
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PKTestDecode** ppID)
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{
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ERR err = WMP_errSuccess;
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PKTestDecode* pID = NULL;
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Call(PKTestDecode_Create(ppID));
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pID = *ppID;
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pID->Initialize = PKImageDecode_Initialize_BMP;
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pID->Copy = PKImageDecode_Copy_BMP;
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Cleanup:
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return err;
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}
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