// Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "../../../include/fxge/fx_dib.h" #include "../../../include/fxge/fx_ge.h" #include "../../../include/fxcodec/fx_codec.h" const FX_DWORD g_dwWinPalette[256] = { 0xff000000, 0xff800000, 0xff008000, 0xff808000, 0xff000080, 0xff800080, 0xff008080, 0xff808080, 0xffC0DCC0, 0xffA6CAF0, 0xff2A3FAA, 0xff2A3FFF, 0xff2A5F00, 0xff2A5F55, 0xff2A5FAA, 0xff2A5FFF, 0xff2A7F00, 0xff2A7F55, 0xff2A7FAA, 0xff2A7FFF, 0xff2A9F00, 0xff2A9F55, 0xff2A9FAA, 0xff2A9FFF, 0xff2ABF00, 0xff2ABF55, 0xff2ABFAA, 0xff2ABFFF, 0xff2ADF00, 0xff2ADF55, 0xff2ADFAA, 0xff2ADFFF, 0xff2AFF00, 0xff2AFF55, 0xff2AFFAA, 0xff2AFFFF, 0xff550000, 0xff550055, 0xff5500AA, 0xff5500FF, 0xff551F00, 0xff551F55, 0xff551FAA, 0xff551FFF, 0xff553F00, 0xff553F55, 0xff553FAA, 0xff553FFF, 0xff555F00, 0xff555F55, 0xff555FAA, 0xff555FFF, 0xff557F00, 0xff557F55, 0xff557FAA, 0xff557FFF, 0xff559F00, 0xff559F55, 0xff559FAA, 0xff559FFF, 0xff55BF00, 0xff55BF55, 0xff55BFAA, 0xff55BFFF, 0xff55DF00, 0xff55DF55, 0xff55DFAA, 0xff55DFFF, 0xff55FF00, 0xff55FF55, 0xff55FFAA, 0xff55FFFF, 0xff7F0000, 0xff7F0055, 0xff7F00AA, 0xff7F00FF, 0xff7F1F00, 0xff7F1F55, 0xff7F1FAA, 0xff7F1FFF, 0xff7F3F00, 0xff7F3F55, 0xff7F3FAA, 0xff7F3FFF, 0xff7F5F00, 0xff7F5F55, 0xff7F5FAA, 0xff7F5FFF, 0xff7F7F00, 0xff7F7F55, 0xff7F7FAA, 0xff7F7FFF, 0xff7F9F00, 0xff7F9F55, 0xff7F9FAA, 0xff7F9FFF, 0xff7FBF00, 0xff7FBF55, 0xff7FBFAA, 0xff7FBFFF, 0xff7FDF00, 0xff7FDF55, 0xff7FDFAA, 0xff7FDFFF, 0xff00FF7F, 0xff7FFF55, 0xff7FFFAA, 0xff7FFFFF, 0xffAA0000, 0xffAA0055, 0xffAA00AA, 0xffAA00FF, 0xffAA1F00, 0xffAA1F55, 0xffAA1FAA, 0xffAA1FFF, 0xffAA3F00, 0xffAA3F55, 0xffAA3FAA, 0xffAA3FFF, 0xffAA5F00, 0xffAA5F55, 0xffAA5FAA, 0xffAA5FFF, 0xffAA7F00, 0xffAA7F55, 0xffAA7FAA, 0xffAA7FFF, 0xffAA9F00, 0xffAA9F55, 0xffAA9FAA, 0xffAA9FFF, 0xffAABF00, 0xffAABF55, 0xffAABFAA, 0xffAABFFF, 0xffAADF00, 0xffAADF55, 0xffAADFAA, 0xffAADFFF, 0xffAAFF00, 0xffAAFF55, 0xffAAFFAA, 0xffAAFFFF, 0xffD40000, 0xffD40055, 0xffD400AA, 0xffD400FF, 0xffD41F00, 0xffD41F55, 0xffD41FAA, 0xffD41FFF, 0xffD43F00, 0xffD43F55, 0xffD43FAA, 0xffD43FFF, 0xffD45F00, 0xffD45F55, 0xffD45FAA, 0xffD45FFF, 0xffD47F00, 0xffD47F55, 0xffD47FAA, 0xffD4F7FF, 0xffD49F00, 0xffD49F55, 0xffD49FAA, 0xffD49FFF, 0xffD4BF00, 0xffD4BF55, 0xffD4BFAA, 0xffD4BFFF, 0xffD4DF00, 0xffD4DF55, 0xffD4DFAA, 0xffD4DFFF, 0xffD4FF00, 0xffD4FF55, 0xffD4FFAA, 0xffD4FFFF, 0xffFF0055, 0xffFF00AA, 0xffFF1F00, 0xffFF1F55, 0xffFF1FAA, 0xffFF1FFF, 0xffFF3F00, 0xffFF3F55, 0xffFF3FAA, 0xffFF3FFF, 0xffFF5F00, 0xffFF5F55, 0xffFF5FAA, 0xffFF5FFF, 0xffFF7F00, 0xffFF7F55, 0xffFF7FAA, 0xffFF7FFF, 0xffFF9F00, 0xffFF9F55, 0xffFF9FAA, 0xffFF9FFF, 0xffFFBF00, 0xffFFBF55, 0xffFFBFAA, 0xffFFBFFF, 0xffFFDF00, 0xffFFDF55, 0xffFFDFAA, 0xffFFDFFF, 0xffFFFF55, 0xffFFFFAA, 0xffCCCCFF, 0xffFFCCFF, 0xff33FFFF, 0xff66FFFF, 0xff99FFFF, 0xffCCFFFF, 0xff007F00, 0xff007F55, 0xff007FAA, 0xff007FFF, 0xff009F00, 0xff009F55, 0xff009FAA, 0xff009FFF, 0xff00BF00, 0xff00BF55, 0xff00BFAA, 0xff00BFFF, 0xff00DF00, 0xff00DF55, 0xff00DFAA, 0xff00DFFF, 0xff00FF55, 0xff00FFAA, 0xff2A0000, 0xff2A0055, 0xff2A00AA, 0xff2A00FF, 0xff2A1F00, 0xff2A1F55, 0xff2A1FAA, 0xff2A1FFF, 0xff2A3F00, 0xff2A3F55, 0xffFFFBF0, 0xffA0A0A4, 0xff808080, 0xffFF0000, 0xff00FF00, 0xffFF0000, 0xff0000FF, 0xffFF00FF, 0xff00FFFF, 0xffFFFFFF }; const FX_DWORD g_dwMacPalette[256] = { 0xffFFFFFF, 0xffFFFFCC, 0xffFFFF99, 0xffFFFF66, 0xffFFFF33, 0xffFFFF00, 0xffFFCCFF, 0xffFFCCCC, 0xffFFCC99, 0xffFFCC66, 0xffFFCC33, 0xffFFCC00, 0xffFF99FF, 0xffFF99CC, 0xffFF9999, 0xffFF9966, 0xffFF9933, 0xffFF9900, 0xffFF66FF, 0xffFF66CC, 0xffFF6699, 0xffFF6666, 0xffFF6633, 0xffFF6600, 0xffFF33FF, 0xffFF33CC, 0xffFF3399, 0xffFF3366, 0xffFF3333, 0xffFF3300, 0xffFF00FF, 0xffFF00CC, 0xffFF0099, 0xffFF0066, 0xffFF0033, 0xffFF0000, 0xffCCFFFF, 0xffCCFFCC, 0xffCCFF99, 0xffCCFF66, 0xffCCFF33, 0xffCCFF00, 0xffCCCCFF, 0xffCCCCCC, 0xffCCCC99, 0xffCCCC66, 0xffCCCC33, 0xffCCCC00, 0xffCC99FF, 0xffCC99CC, 0xffCC9999, 0xffCC9966, 0xffCC9933, 0xffCC9900, 0xffCC66FF, 0xffCC66CC, 0xffCC6699, 0xffCC6666, 0xffCC6633, 0xffCC6600, 0xffCC33FF, 0xffCC33CC, 0xffCC3399, 0xffCC3366, 0xffCC3333, 0xffCC3300, 0xffCC00FF, 0xffCC00CC, 0xffCC0099, 0xffCC0066, 0xffCC0033, 0xffCC0000, 0xff99FFFF, 0xff99FFCC, 0xff99FF99, 0xff99FF66, 0xff99FF33, 0xff99FF00, 0xff99CCFF, 0xff99CCCC, 0xff99CC99, 0xff99CC66, 0xff99CC33, 0xff99CC00, 0xff9999FF, 0xff9999CC, 0xff999999, 0xff999966, 0xff999933, 0xff999900, 0xff9966FF, 0xff9966CC, 0xff996699, 0xff996666, 0xff996633, 0xff996600, 0xff9933FF, 0xff9933CC, 0xff993399, 0xff993366, 0xff993333, 0xff993300, 0xff9900FF, 0xff9900CC, 0xff990099, 0xff990066, 0xff990033, 0xff990000, 0xff66FFFF, 0xff66FFCC, 0xff66FF99, 0xff66FF66, 0xff66FF33, 0xff66FF00, 0xff66CCFF, 0xff66CCCC, 0xff66CC99, 0xff66CC66, 0xff66CC33, 0xff66CC00, 0xff6699FF, 0xff6699CC, 0xff669999, 0xff669966, 0xff669933, 0xff669900, 0xff6666FF, 0xff6666CC, 0xff666699, 0xff666666, 0xff666633, 0xff666600, 0xff6633FF, 0xff6633CC, 0xff663399, 0xff663366, 0xff663333, 0xff663300, 0xff6600FF, 0xff6600CC, 0xff660099, 0xff660066, 0xff660033, 0xff660000, 0xff33FFFF, 0xff33FFCC, 0xff33FF99, 0xff33FF66, 0xff33FF33, 0xff33FF00, 0xff33CCFF, 0xff33CCCC, 0xff33CC99, 0xff33CC66, 0xff33CC33, 0xff33CC00, 0xff3399FF, 0xff3399CC, 0xff339999, 0xff339966, 0xff339933, 0xff339900, 0xff3366FF, 0xff3366CC, 0xff336699, 0xff336666, 0xff336633, 0xff336600, 0xff3333FF, 0xff3333CC, 0xff333399, 0xff333366, 0xff333333, 0xff333300, 0xff3300FF, 0xff3300CC, 0xff330099, 0xff330066, 0xff330033, 0xff330000, 0xff00FFFF, 0xff00FFCC, 0xff00FF99, 0xff00FF66, 0xff00FF33, 0xff00FF00, 0xff00CCFF, 0xff00CCCC, 0xff00CC99, 0xff00CC66, 0xff00CC33, 0xff00CC00, 0xff0099FF, 0xff0099CC, 0xff009999, 0xff009966, 0xff009933, 0xff009900, 0xff0066FF, 0xff0066CC, 0xff006699, 0xff006666, 0xff006633, 0xff006600, 0xff0033FF, 0xff0033CC, 0xff003399, 0xff003366, 0xff003333, 0xff003300, 0xff0000FF, 0xff0000CC, 0xff000099, 0xff000066, 0xff000033, 0xffEE0000, 0xffDD0000, 0xffBB0000, 0xffAA0000, 0xff880000, 0xff770000, 0xff550000, 0xff440000, 0xff220000, 0xff110000, 0xff00EE00, 0xff00DD00, 0xff00BB00, 0xff00AA00, 0xff008800, 0xff007700, 0xff005500, 0xff004400, 0xff002200, 0xff001100, 0xff0000EE, 0xff0000DD, 0xff0000BB, 0xff0000AA, 0xff000088, 0xff000077, 0xff000055, 0xff000044, 0xff000022, 0xff000011, 0xffEEEEEE, 0xffDDDDDD, 0xffBBBBBB, 0xffAAAAAA, 0xff888888, 0xff777777, 0xff555555, 0xff444444, 0xff222222, 0xff111111, 0xff000000 }; class CFX_Palette { public: CFX_Palette(); ~CFX_Palette(); public: FX_BOOL BuildPalette(const CFX_DIBSource* pBitmap, int dwPaletteType); FX_DWORD* GetPalette() const { return m_pPalette; } FX_DWORD* GetColorLut()const { return m_cLut; } FX_DWORD* GetAmountLut()const { return m_aLut; } FX_INT32 Getlut()const { return m_lut; } protected: FX_DWORD* m_pPalette; FX_DWORD* m_cLut; FX_DWORD* m_aLut; int m_lut; }; int _Partition(FX_DWORD* alut, FX_DWORD* clut, int l, int r) { FX_DWORD p_a = alut[l]; FX_DWORD p_c = clut[l]; while(l < r) { while(l < r && alut[r] >= p_a) { r--; } if (l < r) { alut[l] = alut[r]; clut[l++] = clut[r]; } while(l < r && alut[l] <= p_a) { l++; } if (l < r) { alut[r] = alut[l]; clut[r--] = clut[l]; } } alut[l] = p_a; clut[l] = p_c; return l; } void _Qsort(FX_DWORD* alut, FX_DWORD* clut, int l, int r) { if(l < r) { int pI = _Partition(alut, clut, l, r); _Qsort(alut, clut, l, pI - 1); _Qsort(alut, clut, pI + 1, r); } } void _ColorDecode(FX_DWORD pal_v, FX_BYTE& r, FX_BYTE& g, FX_BYTE& b) { r = (FX_BYTE)((pal_v & 0xf00) >> 4); g = (FX_BYTE)(pal_v & 0x0f0); b = (FX_BYTE)((pal_v & 0x00f) << 4); } void _Obtain_Pal(FX_DWORD* aLut, FX_DWORD*cLut, FX_DWORD* dest_pal, int pal_type, FX_DWORD* win_mac_pal, FX_DWORD lut) { int row, col; FX_DWORD lut_1 = lut - 1; if (pal_type == FXDIB_PALETTE_LOC) { for (row = 0; row < 256; row++) { int lut_offset = lut_1 - row; if (lut_offset < 0) { lut_offset += 256; } FX_DWORD color = cLut[lut_offset]; FX_BYTE r, g, b; _ColorDecode(color, r, g, b); dest_pal[row] = ((FX_DWORD)r << 16) | ((FX_DWORD)g << 8) | b | 0xff000000; aLut[lut_offset] = row; } } else { for (row = 0; row < 256; row++) { int lut_offset = lut_1 - row; if (lut_offset < 0) { lut_offset += 256; } FX_BYTE r, g, b; _ColorDecode(cLut[lut_offset], r, g, b); int error, min_error = 1000000; int c_index = 0; for (col = 0; col < 256; col++) { FX_DWORD p_color = win_mac_pal[col]; int d_r = r - (FX_BYTE)(p_color >> 16); int d_g = g - (FX_BYTE)(p_color >> 8); int d_b = b - (FX_BYTE)p_color; error = d_r * d_r + d_g * d_g + d_b * d_b; if (error < min_error) { min_error = error; c_index = col; } } dest_pal[row] = win_mac_pal[c_index]; aLut[lut_offset] = row; } } } CFX_Palette::CFX_Palette() { m_pPalette = NULL; m_cLut = NULL; m_aLut = NULL; m_lut = 0; } CFX_Palette::~CFX_Palette() { if (m_pPalette) { FX_Free(m_pPalette); } if (m_cLut) { FX_Free(m_cLut); } if (m_aLut) { FX_Free(m_aLut); } m_lut = 0; } FX_BOOL CFX_Palette::BuildPalette(const CFX_DIBSource* pBitmap, int pal_type) { if (pBitmap == NULL) { return FALSE; } if (m_pPalette != NULL) { FX_Free(m_pPalette); } m_pPalette = FX_Alloc(FX_DWORD, 256); if (!m_pPalette) { return FALSE; } int bpp = pBitmap->GetBPP() / 8; int width = pBitmap->GetWidth(); int height = pBitmap->GetHeight(); if (m_cLut) { FX_Free(m_cLut); m_cLut = NULL; } if (m_aLut) { FX_Free(m_aLut); m_aLut = NULL; } m_cLut = FX_Alloc(FX_DWORD, 4096); if (!m_cLut) { return FALSE; } m_aLut = FX_Alloc(FX_DWORD, 4096); if (!m_aLut) { return FALSE; } int row, col; m_lut = 0; for (row = 0; row < height; row++) { FX_BYTE* scan_line = (FX_BYTE*)pBitmap->GetScanline(row); for (col = 0; col < width; col++) { FX_BYTE* src_port = scan_line + col * bpp; FX_DWORD b = src_port[0] & 0xf0; FX_DWORD g = src_port[1] & 0xf0; FX_DWORD r = src_port[2] & 0xf0; FX_DWORD index = (r << 4) + g + (b >> 4); m_aLut[index]++; } } for (row = 0; row < 4096; row++) { if (m_aLut[row] != 0) { m_aLut[m_lut] = m_aLut[row]; m_cLut[m_lut] = row; m_lut++; } } _Qsort(m_aLut, m_cLut, 0, m_lut - 1); FX_DWORD* win_mac_pal = NULL; if (pal_type == FXDIB_PALETTE_WIN) { win_mac_pal = (FX_DWORD*)g_dwWinPalette; } else if (pal_type == FXDIB_PALETTE_MAC) { win_mac_pal = (FX_DWORD*)g_dwMacPalette; } _Obtain_Pal(m_aLut, m_cLut, m_pPalette, pal_type, win_mac_pal, m_lut); return TRUE; } FX_BOOL _ConvertBuffer_1bppMask2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top) { FX_BYTE set_gray, reset_gray; set_gray = 0xff; reset_gray = 0x00; for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FXSYS_memset8(dest_scan, reset_gray, width); FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row); for (int col = src_left; col < src_left + width; col ++) { if (src_scan[col / 8] & (1 << (7 - col % 8))) { *dest_scan = set_gray; } dest_scan ++; } } return TRUE; } FX_BOOL _ConvertBuffer_8bppMask2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top) { for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left; FXSYS_memcpy32(dest_scan, src_scan, width); } return TRUE; } FX_BOOL _ConvertBuffer_1bppPlt2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform) { FX_DWORD* src_plt = pSrcBitmap->GetPalette(); FX_BYTE gray[2]; if (pIccTransform) { FX_DWORD plt[2]; if (pSrcBitmap->IsCmykImage()) { plt[0] = FXCMYK_TODIB(src_plt[0]); plt[1] = FXCMYK_TODIB(src_plt[1]); } else { FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt; bgr_ptr[0] = FXARGB_B(src_plt[0]); bgr_ptr[1] = FXARGB_G(src_plt[0]); bgr_ptr[2] = FXARGB_R(src_plt[0]); bgr_ptr[3] = FXARGB_B(src_plt[1]); bgr_ptr[4] = FXARGB_G(src_plt[1]); bgr_ptr[5] = FXARGB_R(src_plt[1]); } ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); pIccModule->TranslateScanline(pIccTransform, gray, (FX_LPCBYTE)plt, 2); } else { FX_BYTE reset_r, reset_g, reset_b, set_r, set_g, set_b; if (pSrcBitmap->IsCmykImage()) { AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[0]), FXSYS_GetMValue(src_plt[0]), FXSYS_GetYValue(src_plt[0]), FXSYS_GetKValue(src_plt[0]), reset_r, reset_g, reset_b); AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[1]), FXSYS_GetMValue(src_plt[1]), FXSYS_GetYValue(src_plt[1]), FXSYS_GetKValue(src_plt[1]), set_r, set_g, set_b); } else { reset_r = FXARGB_R(src_plt[0]); reset_g = FXARGB_G(src_plt[0]); reset_b = FXARGB_B(src_plt[0]); set_r = FXARGB_R(src_plt[1]); set_g = FXARGB_G(src_plt[1]); set_b = FXARGB_B(src_plt[1]); } gray[0] = FXRGB2GRAY(reset_r, reset_g, reset_b); gray[1] = FXRGB2GRAY(set_r, set_g, set_b); } for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FXSYS_memset8(dest_scan, gray[0], width); FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row); for (int col = src_left; col < src_left + width; col ++) { if (src_scan[col / 8] & (1 << (7 - col % 8))) { *dest_scan = gray[1]; } dest_scan ++; } } return TRUE; } FX_BOOL _ConvertBuffer_8bppPlt2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform) { FX_DWORD* src_plt = pSrcBitmap->GetPalette(); FX_BYTE gray[256]; if (pIccTransform) { FX_DWORD plt[256]; if (pSrcBitmap->IsCmykImage()) { for (int i = 0; i < 256; i ++) { plt[i] = FXCMYK_TODIB(src_plt[i]); } } else { FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt; for (int i = 0; i < 256; i ++) { *bgr_ptr++ = FXARGB_B(src_plt[i]); *bgr_ptr++ = FXARGB_G(src_plt[i]); *bgr_ptr++ = FXARGB_R(src_plt[i]); } } ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); pIccModule->TranslateScanline(pIccTransform, gray, (FX_LPCBYTE)plt, 256); } else { if (pSrcBitmap->IsCmykImage()) { FX_BYTE r, g, b; for (int i = 0; i < 256; i ++) { AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]), r, g, b); gray[i] = FXRGB2GRAY(r, g, b); } } else for (int i = 0; i < 256; i ++) { gray[i] = FXRGB2GRAY(FXARGB_R(src_plt[i]), FXARGB_G(src_plt[i]), FXARGB_B(src_plt[i])); } } for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left; for (int col = 0; col < width; col ++) { *dest_scan++ = gray[*src_scan++]; } } return TRUE; } FX_BOOL _ConvertBuffer_RgbOrCmyk2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform) { int Bpp = pSrcBitmap->GetBPP() / 8; if (pIccTransform) { ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); if (Bpp == 3 || pSrcBitmap->IsCmykImage()) { for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp; pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, width); } } else { for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4; for (int col = 0; col < width; col ++) { pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1); dest_scan++; src_scan += 4; } } } } else { if (pSrcBitmap->IsCmykImage()) { for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4; for (int col = 0; col < width; col ++) { FX_BYTE r, g, b; AdobeCMYK_to_sRGB1(FXSYS_GetCValue((FX_DWORD)src_scan[0]), FXSYS_GetMValue((FX_DWORD)src_scan[1]), FXSYS_GetYValue((FX_DWORD)src_scan[2]), FXSYS_GetKValue((FX_DWORD)src_scan[3]), r, g, b); *dest_scan++ = FXRGB2GRAY(r, g, b); src_scan += 4; } } } else { for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp; for (int col = 0; col < width; col ++) { *dest_scan++ = FXRGB2GRAY(src_scan[2], src_scan[1], src_scan[0]); src_scan += Bpp; } } } } return TRUE; } inline void _ConvertBuffer_IndexCopy(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top) { if (pSrcBitmap->GetBPP() == 1) { for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FXSYS_memset32(dest_scan, 0, width); FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row); for (int col = src_left; col < src_left + width; col ++) { if (src_scan[col / 8] & (1 << (7 - col % 8))) { *dest_scan = 1; } dest_scan ++; } } } else { for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left; FXSYS_memcpy32(dest_scan, src_scan, width); } } } FX_BOOL _ConvertBuffer_Plt2PltRgb8(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt, void* pIccTransform) { _ConvertBuffer_IndexCopy(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top); FX_DWORD* src_plt = pSrcBitmap->GetPalette(); int plt_size = pSrcBitmap->GetPaletteSize(); if (pIccTransform) { FX_DWORD plt[256]; FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt; if (pSrcBitmap->IsCmykImage()) { for (int i = 0; i < plt_size; i ++) { plt[i] = FXCMYK_TODIB(src_plt[i]); } } else { for (int i = 0; i < plt_size; i ++) { *bgr_ptr++ = FXARGB_B(src_plt[i]); *bgr_ptr++ = FXARGB_G(src_plt[i]); *bgr_ptr++ = FXARGB_R(src_plt[i]); } bgr_ptr = (FX_LPBYTE)plt; } ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, plt_size); for (int i = 0; i < plt_size; i ++) { dst_plt[i] = FXARGB_MAKE(0xff, bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]); bgr_ptr += 3; } } else { if (pSrcBitmap->IsCmykImage()) { for (int i = 0; i < plt_size; i ++) { FX_BYTE r, g, b; AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]), r, g, b); dst_plt[i] = FXARGB_MAKE(0xff, r, g, b); } } else { FXSYS_memcpy32(dst_plt, src_plt, plt_size * 4); } } return TRUE; } inline FX_BOOL _ConvertBuffer_Rgb2PltRgb8_NoTransform(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt) { int bpp = pSrcBitmap->GetBPP() / 8; int row, col; CFX_Palette palette; palette.BuildPalette(pSrcBitmap, FXDIB_PALETTE_LOC); FX_DWORD* cLut = palette.GetColorLut(); FX_DWORD* aLut = palette.GetAmountLut(); if (cLut == NULL || aLut == NULL) { return FALSE; } int lut = palette.Getlut(); FX_DWORD* pPalette = palette.GetPalette(); if (lut > 256) { int err, min_err; int lut_256 = lut - 256; for (row = 0; row < lut_256; row++) { min_err = 1000000; FX_BYTE r, g, b; _ColorDecode(cLut[row], r, g, b); int clrindex = 0; for (int col = 0; col < 256; col++) { FX_DWORD p_color = *(pPalette + col); int d_r = r - (FX_BYTE)(p_color >> 16); int d_g = g - (FX_BYTE)(p_color >> 8); int d_b = b - (FX_BYTE)(p_color); err = d_r * d_r + d_g * d_g + d_b * d_b; if (err < min_err) { min_err = err; clrindex = col; } } aLut[row] = clrindex; } } FX_INT32 lut_1 = lut - 1; for (row = 0; row < height; row ++) { FX_BYTE* src_scan = (FX_BYTE*)pSrcBitmap->GetScanline(src_top + row) + src_left; FX_BYTE* dest_scan = dest_buf + row * dest_pitch; for (col = 0; col < width; col++) { FX_BYTE* src_port = src_scan + col * bpp; int r = src_port[2] & 0xf0; int g = src_port[1] & 0xf0; int b = src_port[0] & 0xf0; FX_DWORD clrindex = (r << 4) + g + (b >> 4); for (int i = lut_1; i >= 0; i--) if (clrindex == cLut[i]) { *(dest_scan + col) = (FX_BYTE)(aLut[i]); break; } } } FXSYS_memcpy32(dst_plt, pPalette, sizeof(FX_DWORD) * 256); return TRUE; } FX_BOOL _ConvertBuffer_Rgb2PltRgb8(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt, void* pIccTransform) { ICodec_IccModule* pIccModule = NULL; if (pIccTransform) { pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); } FX_BOOL ret = _ConvertBuffer_Rgb2PltRgb8_NoTransform(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, dst_plt); if (ret && pIccTransform) { ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); for (int i = 0; i < 256; i++) { FX_ARGB* plt = dst_plt + i; FX_ARGB plt_entry = FXARGB_TODIB(*plt); pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)&plt_entry, (FX_LPCBYTE)&plt_entry, 1); *plt = FXARGB_TODIB(plt_entry); } } return ret; } FX_BOOL _ConvertBuffer_1bppMask2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top) { int comps = (dst_format & 0xff) / 8; FX_BYTE set_gray, reset_gray; set_gray = 0xff; reset_gray = 0x00; for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row); for (int col = src_left; col < src_left + width; col ++) { if (src_scan[col / 8] & (1 << (7 - col % 8))) { dest_scan[0] = set_gray; dest_scan[1] = set_gray; dest_scan[2] = set_gray; } else { dest_scan[0] = reset_gray; dest_scan[1] = reset_gray; dest_scan[2] = reset_gray; } dest_scan += comps; } } return TRUE; } FX_BOOL _ConvertBuffer_8bppMask2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top) { int comps = (dst_format & 0xff) / 8; for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left; FX_BYTE src_pixel; for (int col = 0; col < width; col ++) { src_pixel = *src_scan++; *dest_scan++ = src_pixel; *dest_scan++ = src_pixel; *dest_scan = src_pixel; dest_scan += comps - 2; } } return TRUE; } FX_BOOL _ConvertBuffer_1bppPlt2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform) { int comps = (dst_format & 0xff) / 8; FX_DWORD* src_plt = pSrcBitmap->GetPalette(); FX_DWORD plt[2]; FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt; if (pSrcBitmap->IsCmykImage()) { plt[0] = FXCMYK_TODIB(src_plt[0]); plt[1] = FXCMYK_TODIB(src_plt[1]); } else { bgr_ptr[0] = FXARGB_B(src_plt[0]); bgr_ptr[1] = FXARGB_G(src_plt[0]); bgr_ptr[2] = FXARGB_R(src_plt[0]); bgr_ptr[3] = FXARGB_B(src_plt[1]); bgr_ptr[4] = FXARGB_G(src_plt[1]); bgr_ptr[5] = FXARGB_R(src_plt[1]); } if (pIccTransform) { ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, 2); } else { if (pSrcBitmap->IsCmykImage()) { AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[0]), FXSYS_GetMValue(src_plt[0]), FXSYS_GetYValue(src_plt[0]), FXSYS_GetKValue(src_plt[0]), bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]); AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[1]), FXSYS_GetMValue(src_plt[1]), FXSYS_GetYValue(src_plt[1]), FXSYS_GetKValue(src_plt[1]), bgr_ptr[5], bgr_ptr[4], bgr_ptr[3]); } } for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row); for (int col = src_left; col < src_left + width; col ++) { if (src_scan[col / 8] & (1 << (7 - col % 8))) { *dest_scan++ = bgr_ptr[3]; *dest_scan++ = bgr_ptr[4]; *dest_scan = bgr_ptr[5]; } else { *dest_scan++ = bgr_ptr[0]; *dest_scan++ = bgr_ptr[1]; *dest_scan = bgr_ptr[2]; } dest_scan += comps - 2; } } return TRUE; } FX_BOOL _ConvertBuffer_8bppPlt2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform) { int comps = (dst_format & 0xff) / 8; FX_DWORD* src_plt = pSrcBitmap->GetPalette(); FX_DWORD plt[256]; FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt; if (!pSrcBitmap->IsCmykImage()) { for (int i = 0; i < 256; i++) { *bgr_ptr++ = FXARGB_B(src_plt[i]); *bgr_ptr++ = FXARGB_G(src_plt[i]); *bgr_ptr++ = FXARGB_R(src_plt[i]); } bgr_ptr = (FX_LPBYTE)plt; } if (pIccTransform) { if (pSrcBitmap->IsCmykImage()) { for (int i = 0; i < 256; i++) { plt[i] = FXCMYK_TODIB(src_plt[i]); } } ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, 256); } else { if (pSrcBitmap->IsCmykImage()) { for (int i = 0; i < 256; i++) { AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]), bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]); bgr_ptr += 3; } bgr_ptr = (FX_LPBYTE)plt; } } for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left; for (int col = 0; col < width; col ++) { FX_LPBYTE src_pixel = bgr_ptr + 3 * (*src_scan++); *dest_scan++ = *src_pixel++; *dest_scan++ = *src_pixel++; *dest_scan = *src_pixel++; dest_scan += comps - 2; } } return TRUE; } FX_BOOL _ConvertBuffer_24bppRgb2Rgb24(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform) { if (pIccTransform) { ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 3; pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, width); } } else { for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 3; FXSYS_memcpy32(dest_scan, src_scan, width * 3); } } return TRUE; } FX_BOOL _ConvertBuffer_32bppRgb2Rgb24(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform) { for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4; for (int col = 0; col < width; col ++) { *dest_scan++ = *src_scan++; *dest_scan++ = *src_scan++; *dest_scan++ = *src_scan++; src_scan++; } } if (pIccTransform) { ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; pIccModule->TranslateScanline(pIccTransform, dest_scan, dest_scan, width); } } return TRUE; } FX_BOOL _ConvertBuffer_Rgb2Rgb32(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform) { int comps = pSrcBitmap->GetBPP() / 8; if (pIccTransform) { ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * comps; for (int col = 0; col < width; col ++) { pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1); dest_scan += 4; src_scan += comps; } } } else { for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * comps; for (int col = 0; col < width; col ++) { *dest_scan++ = *src_scan++; *dest_scan++ = *src_scan++; *dest_scan++ = *src_scan++; dest_scan++; src_scan += comps - 3; } } } return TRUE; } FX_BOOL _ConvertBuffer_32bppCmyk2Rgb32(FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform) { if (pIccTransform) { ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4; for (int col = 0; col < width; col ++) { pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1); dest_scan += 4; src_scan += 4; } } } else { for (int row = 0; row < height; row ++) { FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4; for (int col = 0; col < width; col ++) { AdobeCMYK_to_sRGB1(src_scan[0], src_scan[1], src_scan[2], src_scan[3], dest_scan[2], dest_scan[1], dest_scan[0]); dest_scan += 4; src_scan += 4; } } } return TRUE; } FX_BOOL ConvertBuffer(FXDIB_Format dest_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height, const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD*& d_pal, void* pIccTransform) { FXDIB_Format src_format = pSrcBitmap->GetFormat(); if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) { pIccTransform = NULL; } switch (dest_format) { case FXDIB_Invalid: case FXDIB_1bppCmyk: case FXDIB_1bppMask: case FXDIB_1bppRgb: ASSERT(FALSE); return FALSE; case FXDIB_8bppMask: { if ((src_format & 0xff) == 1) { if (pSrcBitmap->GetPalette()) { return _ConvertBuffer_1bppPlt2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform); } return _ConvertBuffer_1bppMask2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top); } else if ((src_format & 0xff) == 8) { if (pSrcBitmap->GetPalette()) { return _ConvertBuffer_8bppPlt2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform); } return _ConvertBuffer_8bppMask2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top); } else if ((src_format & 0xff) >= 24) { return _ConvertBuffer_RgbOrCmyk2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform); } return FALSE; } case FXDIB_8bppRgb: case FXDIB_8bppRgba: { if ((src_format & 0xff) == 8 && pSrcBitmap->GetPalette() == NULL) { return ConvertBuffer(FXDIB_8bppMask, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform); } d_pal = FX_Alloc(FX_DWORD, 256); if (!d_pal) { return FALSE; } if (((src_format & 0xff) == 1 || (src_format & 0xff) == 8) && pSrcBitmap->GetPalette()) { return _ConvertBuffer_Plt2PltRgb8(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform); } else if ((src_format & 0xff) >= 24) { return _ConvertBuffer_Rgb2PltRgb8(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform); } return FALSE; } case FXDIB_Rgb: case FXDIB_Rgba: { if ((src_format & 0xff) == 1) { if (pSrcBitmap->GetPalette()) { return _ConvertBuffer_1bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform); } return _ConvertBuffer_1bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top); } else if ((src_format & 0xff) == 8) { if (pSrcBitmap->GetPalette()) { return _ConvertBuffer_8bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform); } return _ConvertBuffer_8bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top); } else if ((src_format & 0xff) == 24) { return _ConvertBuffer_24bppRgb2Rgb24(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform); } else if ((src_format & 0xff) == 32) { return _ConvertBuffer_32bppRgb2Rgb24(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform); } return FALSE; } case FXDIB_Argb: case FXDIB_Rgb32: { if ((src_format & 0xff) == 1) { if (pSrcBitmap->GetPalette()) { return _ConvertBuffer_1bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform); } return _ConvertBuffer_1bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top); } else if ((src_format & 0xff) == 8) { if (pSrcBitmap->GetPalette()) { return _ConvertBuffer_8bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform); } return _ConvertBuffer_8bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top); } else if ((src_format & 0xff) >= 24) { if (src_format & 0x0400) { return _ConvertBuffer_32bppCmyk2Rgb32(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform); } return _ConvertBuffer_Rgb2Rgb32(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform); } return FALSE; } default: return FALSE; } return FALSE; } CFX_DIBitmap* CFX_DIBSource::CloneConvert(FXDIB_Format dest_format, const FX_RECT* pClip, void* pIccTransform) const { if(dest_format == GetFormat() && pIccTransform == NULL) { return Clone(pClip); } if (pClip) { CFX_DIBitmap* pClone = Clone(pClip); if (pClone == NULL) { return NULL; } if(!pClone->ConvertFormat(dest_format, pIccTransform)) { delete pClone; return NULL; } return pClone; } CFX_DIBitmap* pClone = new CFX_DIBitmap; if(!pClone->Create(m_Width, m_Height, dest_format)) { delete pClone; return NULL; } FX_BOOL ret = TRUE; CFX_DIBitmap* pSrcAlpha = NULL; if (m_AlphaFlag & 2) { pSrcAlpha = (GetFormat() == FXDIB_Argb) ? GetAlphaMask() : m_pAlphaMask; if (pSrcAlpha == NULL) { delete pClone; return NULL; } } if (dest_format & 0x0200) { if (dest_format == FXDIB_Argb) ret = pSrcAlpha ? pClone->LoadChannel(FXDIB_Alpha, pSrcAlpha, FXDIB_Alpha) : pClone->LoadChannel(FXDIB_Alpha, 0xff); else { ret = pClone->CopyAlphaMask(pSrcAlpha); } } if (pSrcAlpha && pSrcAlpha != m_pAlphaMask) { delete pSrcAlpha; pSrcAlpha = NULL; } if (!ret) { delete pClone; return NULL; } FX_DWORD* pal_8bpp = NULL; ret = ConvertBuffer(dest_format, pClone->GetBuffer(), pClone->GetPitch(), m_Width, m_Height, this, 0, 0, pal_8bpp, pIccTransform); if (!ret) { if (pal_8bpp) { FX_Free(pal_8bpp); } delete pClone; return NULL; } if (pal_8bpp) { pClone->CopyPalette(pal_8bpp); FX_Free(pal_8bpp); pal_8bpp = NULL; } return pClone; } FX_BOOL CFX_DIBitmap::ConvertFormat(FXDIB_Format dest_format, void* pIccTransform) { FXDIB_Format src_format = GetFormat(); if (dest_format == src_format && pIccTransform == NULL) { return TRUE; } if (dest_format == FXDIB_8bppMask && src_format == FXDIB_8bppRgb && m_pPalette == NULL) { m_AlphaFlag = 1; return TRUE; } if (dest_format == FXDIB_Argb && src_format == FXDIB_Rgb32 && pIccTransform == NULL) { m_AlphaFlag = 2; for (int row = 0; row < m_Height; row ++) { FX_LPBYTE scanline = m_pBuffer + row * m_Pitch + 3; for (int col = 0; col < m_Width; col ++) { *scanline = 0xff; scanline += 4; } } return TRUE; } int dest_bpp = dest_format & 0xff; int dest_pitch = (dest_bpp * m_Width + 31) / 32 * 4; FX_LPBYTE dest_buf = FX_AllocNL(FX_BYTE, dest_pitch * m_Height + 4); if (dest_buf == NULL) { return FALSE; } CFX_DIBitmap* pAlphaMask = NULL; if (dest_format == FXDIB_Argb) { FXSYS_memset8(dest_buf, 0xff, dest_pitch * m_Height + 4); if (m_pAlphaMask) { for (int row = 0; row < m_Height; row ++) { FX_LPBYTE pDstScanline = dest_buf + row * dest_pitch + 3; FX_LPCBYTE pSrcScanline = m_pAlphaMask->GetScanline(row); for (int col = 0; col < m_Width; col ++) { *pDstScanline = *pSrcScanline++; pDstScanline += 4; } } } } else if (dest_format & 0x0200) { if (src_format == FXDIB_Argb) { pAlphaMask = GetAlphaMask(); if (pAlphaMask == NULL) { FX_Free(dest_buf); return FALSE; } } else { if (m_pAlphaMask == NULL) { if (!BuildAlphaMask()) { FX_Free(dest_buf); return FALSE; } pAlphaMask = m_pAlphaMask; m_pAlphaMask = NULL; } else { pAlphaMask = m_pAlphaMask; } } } FX_BOOL ret = FALSE; FX_DWORD* pal_8bpp = NULL; ret = ConvertBuffer(dest_format, dest_buf, dest_pitch, m_Width, m_Height, this, 0, 0, pal_8bpp, pIccTransform); if (!ret) { if (pal_8bpp) { FX_Free(pal_8bpp); } if (pAlphaMask != m_pAlphaMask) { delete pAlphaMask; } if (dest_buf) { FX_Free(dest_buf); } return FALSE; } if (m_pAlphaMask && pAlphaMask != m_pAlphaMask) { delete m_pAlphaMask; } m_pAlphaMask = pAlphaMask; if (m_pPalette) { FX_Free(m_pPalette); } m_pPalette = pal_8bpp; if (!m_bExtBuf) { FX_Free(m_pBuffer); } m_bExtBuf = FALSE; m_pBuffer = dest_buf; m_bpp = (FX_BYTE)dest_format; m_AlphaFlag = (FX_BYTE)(dest_format >> 8); m_Pitch = dest_pitch; return TRUE; }