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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "../../../include/fxge/fx_dib.h"
      8 #include "../../../include/fxge/fx_ge.h"
      9 #include "../../../include/fxcodec/fx_codec.h"
     10 const FX_DWORD g_dwWinPalette[256] = {
     11     0xff000000, 0xff800000, 0xff008000, 0xff808000, 0xff000080, 0xff800080,
     12     0xff008080, 0xff808080, 0xffC0DCC0, 0xffA6CAF0, 0xff2A3FAA, 0xff2A3FFF,
     13     0xff2A5F00, 0xff2A5F55, 0xff2A5FAA, 0xff2A5FFF, 0xff2A7F00, 0xff2A7F55,
     14     0xff2A7FAA, 0xff2A7FFF, 0xff2A9F00, 0xff2A9F55, 0xff2A9FAA, 0xff2A9FFF,
     15     0xff2ABF00, 0xff2ABF55, 0xff2ABFAA, 0xff2ABFFF, 0xff2ADF00, 0xff2ADF55,
     16     0xff2ADFAA, 0xff2ADFFF, 0xff2AFF00, 0xff2AFF55, 0xff2AFFAA, 0xff2AFFFF,
     17     0xff550000, 0xff550055, 0xff5500AA, 0xff5500FF, 0xff551F00, 0xff551F55,
     18     0xff551FAA, 0xff551FFF, 0xff553F00, 0xff553F55, 0xff553FAA, 0xff553FFF,
     19     0xff555F00, 0xff555F55, 0xff555FAA, 0xff555FFF, 0xff557F00, 0xff557F55,
     20     0xff557FAA, 0xff557FFF, 0xff559F00, 0xff559F55, 0xff559FAA, 0xff559FFF,
     21     0xff55BF00, 0xff55BF55, 0xff55BFAA, 0xff55BFFF, 0xff55DF00, 0xff55DF55,
     22     0xff55DFAA, 0xff55DFFF, 0xff55FF00, 0xff55FF55, 0xff55FFAA, 0xff55FFFF,
     23     0xff7F0000, 0xff7F0055, 0xff7F00AA, 0xff7F00FF, 0xff7F1F00, 0xff7F1F55,
     24     0xff7F1FAA, 0xff7F1FFF, 0xff7F3F00, 0xff7F3F55, 0xff7F3FAA, 0xff7F3FFF,
     25     0xff7F5F00, 0xff7F5F55, 0xff7F5FAA, 0xff7F5FFF, 0xff7F7F00, 0xff7F7F55,
     26     0xff7F7FAA, 0xff7F7FFF, 0xff7F9F00, 0xff7F9F55, 0xff7F9FAA, 0xff7F9FFF,
     27     0xff7FBF00, 0xff7FBF55, 0xff7FBFAA, 0xff7FBFFF, 0xff7FDF00, 0xff7FDF55,
     28     0xff7FDFAA, 0xff7FDFFF, 0xff00FF7F, 0xff7FFF55, 0xff7FFFAA, 0xff7FFFFF,
     29     0xffAA0000, 0xffAA0055, 0xffAA00AA, 0xffAA00FF, 0xffAA1F00, 0xffAA1F55,
     30     0xffAA1FAA, 0xffAA1FFF, 0xffAA3F00, 0xffAA3F55, 0xffAA3FAA, 0xffAA3FFF,
     31     0xffAA5F00, 0xffAA5F55, 0xffAA5FAA, 0xffAA5FFF, 0xffAA7F00, 0xffAA7F55,
     32     0xffAA7FAA, 0xffAA7FFF, 0xffAA9F00, 0xffAA9F55, 0xffAA9FAA, 0xffAA9FFF,
     33     0xffAABF00, 0xffAABF55, 0xffAABFAA, 0xffAABFFF, 0xffAADF00, 0xffAADF55,
     34     0xffAADFAA, 0xffAADFFF, 0xffAAFF00, 0xffAAFF55, 0xffAAFFAA, 0xffAAFFFF,
     35     0xffD40000, 0xffD40055, 0xffD400AA, 0xffD400FF, 0xffD41F00, 0xffD41F55,
     36     0xffD41FAA, 0xffD41FFF, 0xffD43F00, 0xffD43F55, 0xffD43FAA, 0xffD43FFF,
     37     0xffD45F00, 0xffD45F55, 0xffD45FAA, 0xffD45FFF, 0xffD47F00, 0xffD47F55,
     38     0xffD47FAA, 0xffD4F7FF, 0xffD49F00, 0xffD49F55, 0xffD49FAA, 0xffD49FFF,
     39     0xffD4BF00, 0xffD4BF55, 0xffD4BFAA, 0xffD4BFFF, 0xffD4DF00, 0xffD4DF55,
     40     0xffD4DFAA, 0xffD4DFFF, 0xffD4FF00, 0xffD4FF55, 0xffD4FFAA, 0xffD4FFFF,
     41     0xffFF0055, 0xffFF00AA, 0xffFF1F00, 0xffFF1F55, 0xffFF1FAA, 0xffFF1FFF,
     42     0xffFF3F00, 0xffFF3F55, 0xffFF3FAA, 0xffFF3FFF, 0xffFF5F00, 0xffFF5F55,
     43     0xffFF5FAA, 0xffFF5FFF, 0xffFF7F00, 0xffFF7F55, 0xffFF7FAA, 0xffFF7FFF,
     44     0xffFF9F00, 0xffFF9F55, 0xffFF9FAA, 0xffFF9FFF, 0xffFFBF00, 0xffFFBF55,
     45     0xffFFBFAA, 0xffFFBFFF, 0xffFFDF00, 0xffFFDF55, 0xffFFDFAA, 0xffFFDFFF,
     46     0xffFFFF55, 0xffFFFFAA, 0xffCCCCFF, 0xffFFCCFF, 0xff33FFFF, 0xff66FFFF,
     47     0xff99FFFF, 0xffCCFFFF, 0xff007F00, 0xff007F55, 0xff007FAA, 0xff007FFF,
     48     0xff009F00, 0xff009F55, 0xff009FAA, 0xff009FFF, 0xff00BF00, 0xff00BF55,
     49     0xff00BFAA, 0xff00BFFF, 0xff00DF00, 0xff00DF55, 0xff00DFAA, 0xff00DFFF,
     50     0xff00FF55, 0xff00FFAA, 0xff2A0000, 0xff2A0055, 0xff2A00AA, 0xff2A00FF,
     51     0xff2A1F00, 0xff2A1F55, 0xff2A1FAA, 0xff2A1FFF, 0xff2A3F00, 0xff2A3F55,
     52     0xffFFFBF0, 0xffA0A0A4, 0xff808080, 0xffFF0000, 0xff00FF00, 0xffFF0000,
     53     0xff0000FF, 0xffFF00FF, 0xff00FFFF, 0xffFFFFFF
     54 };
     55 const FX_DWORD g_dwMacPalette[256] = {
     56     0xffFFFFFF, 0xffFFFFCC, 0xffFFFF99, 0xffFFFF66, 0xffFFFF33, 0xffFFFF00,
     57     0xffFFCCFF, 0xffFFCCCC, 0xffFFCC99, 0xffFFCC66, 0xffFFCC33, 0xffFFCC00,
     58     0xffFF99FF, 0xffFF99CC, 0xffFF9999, 0xffFF9966, 0xffFF9933, 0xffFF9900,
     59     0xffFF66FF, 0xffFF66CC, 0xffFF6699, 0xffFF6666, 0xffFF6633, 0xffFF6600,
     60     0xffFF33FF, 0xffFF33CC, 0xffFF3399, 0xffFF3366, 0xffFF3333, 0xffFF3300,
     61     0xffFF00FF, 0xffFF00CC, 0xffFF0099, 0xffFF0066, 0xffFF0033, 0xffFF0000,
     62     0xffCCFFFF, 0xffCCFFCC, 0xffCCFF99, 0xffCCFF66, 0xffCCFF33, 0xffCCFF00,
     63     0xffCCCCFF, 0xffCCCCCC, 0xffCCCC99, 0xffCCCC66, 0xffCCCC33, 0xffCCCC00,
     64     0xffCC99FF, 0xffCC99CC, 0xffCC9999, 0xffCC9966, 0xffCC9933, 0xffCC9900,
     65     0xffCC66FF, 0xffCC66CC, 0xffCC6699, 0xffCC6666, 0xffCC6633, 0xffCC6600,
     66     0xffCC33FF, 0xffCC33CC, 0xffCC3399, 0xffCC3366, 0xffCC3333, 0xffCC3300,
     67     0xffCC00FF, 0xffCC00CC, 0xffCC0099, 0xffCC0066, 0xffCC0033, 0xffCC0000,
     68     0xff99FFFF, 0xff99FFCC, 0xff99FF99, 0xff99FF66, 0xff99FF33, 0xff99FF00,
     69     0xff99CCFF, 0xff99CCCC, 0xff99CC99, 0xff99CC66, 0xff99CC33, 0xff99CC00,
     70     0xff9999FF, 0xff9999CC, 0xff999999, 0xff999966, 0xff999933, 0xff999900,
     71     0xff9966FF, 0xff9966CC, 0xff996699, 0xff996666, 0xff996633, 0xff996600,
     72     0xff9933FF, 0xff9933CC, 0xff993399, 0xff993366, 0xff993333, 0xff993300,
     73     0xff9900FF, 0xff9900CC, 0xff990099, 0xff990066, 0xff990033, 0xff990000,
     74     0xff66FFFF, 0xff66FFCC, 0xff66FF99, 0xff66FF66, 0xff66FF33, 0xff66FF00,
     75     0xff66CCFF, 0xff66CCCC, 0xff66CC99, 0xff66CC66, 0xff66CC33, 0xff66CC00,
     76     0xff6699FF, 0xff6699CC, 0xff669999, 0xff669966, 0xff669933, 0xff669900,
     77     0xff6666FF, 0xff6666CC, 0xff666699, 0xff666666, 0xff666633, 0xff666600,
     78     0xff6633FF, 0xff6633CC, 0xff663399, 0xff663366, 0xff663333, 0xff663300,
     79     0xff6600FF, 0xff6600CC, 0xff660099, 0xff660066, 0xff660033, 0xff660000,
     80     0xff33FFFF, 0xff33FFCC, 0xff33FF99, 0xff33FF66, 0xff33FF33, 0xff33FF00,
     81     0xff33CCFF, 0xff33CCCC, 0xff33CC99, 0xff33CC66, 0xff33CC33, 0xff33CC00,
     82     0xff3399FF, 0xff3399CC, 0xff339999, 0xff339966, 0xff339933, 0xff339900,
     83     0xff3366FF, 0xff3366CC, 0xff336699, 0xff336666, 0xff336633, 0xff336600,
     84     0xff3333FF, 0xff3333CC, 0xff333399, 0xff333366, 0xff333333, 0xff333300,
     85     0xff3300FF, 0xff3300CC, 0xff330099, 0xff330066, 0xff330033, 0xff330000,
     86     0xff00FFFF, 0xff00FFCC, 0xff00FF99, 0xff00FF66, 0xff00FF33, 0xff00FF00,
     87     0xff00CCFF, 0xff00CCCC, 0xff00CC99, 0xff00CC66, 0xff00CC33, 0xff00CC00,
     88     0xff0099FF, 0xff0099CC, 0xff009999, 0xff009966, 0xff009933, 0xff009900,
     89     0xff0066FF, 0xff0066CC, 0xff006699, 0xff006666, 0xff006633, 0xff006600,
     90     0xff0033FF, 0xff0033CC, 0xff003399, 0xff003366, 0xff003333, 0xff003300,
     91     0xff0000FF, 0xff0000CC, 0xff000099, 0xff000066, 0xff000033,
     92     0xffEE0000, 0xffDD0000, 0xffBB0000, 0xffAA0000, 0xff880000, 0xff770000,
     93     0xff550000, 0xff440000, 0xff220000, 0xff110000, 0xff00EE00, 0xff00DD00,
     94     0xff00BB00, 0xff00AA00, 0xff008800, 0xff007700, 0xff005500, 0xff004400,
     95     0xff002200, 0xff001100, 0xff0000EE, 0xff0000DD, 0xff0000BB, 0xff0000AA,
     96     0xff000088, 0xff000077, 0xff000055, 0xff000044, 0xff000022, 0xff000011,
     97     0xffEEEEEE, 0xffDDDDDD, 0xffBBBBBB, 0xffAAAAAA, 0xff888888, 0xff777777,
     98     0xff555555, 0xff444444, 0xff222222, 0xff111111, 0xff000000
     99 };
    100 class CFX_Palette : public CFX_Object
    101 {
    102 public:
    103     CFX_Palette();
    104     ~CFX_Palette();
    105 public:
    106     FX_BOOL      BuildPalette(const CFX_DIBSource* pBitmap, int dwPaletteType);
    107     FX_DWORD*    GetPalette() const
    108     {
    109         return m_pPalette;
    110     }
    111 
    112     FX_DWORD*    GetColorLut()const
    113     {
    114         return m_cLut;
    115     }
    116     FX_DWORD*    GetAmountLut()const
    117     {
    118         return m_aLut;
    119     }
    120     FX_INT32     Getlut()const
    121     {
    122         return m_lut;
    123     }
    124 protected:
    125     FX_DWORD*    m_pPalette;
    126     FX_DWORD*    m_cLut;
    127     FX_DWORD*    m_aLut;
    128     int          m_lut;
    129 };
    130 int _Partition(FX_DWORD* alut, FX_DWORD* clut, int l, int r)
    131 {
    132     FX_DWORD p_a = alut[l];
    133     FX_DWORD p_c = clut[l];
    134     while(l < r) {
    135         while(l < r && alut[r] >= p_a) {
    136             r--;
    137         }
    138         if (l < r) {
    139             alut[l] = alut[r];
    140             clut[l++] = clut[r];
    141         }
    142         while(l < r && alut[l] <= p_a) {
    143             l++;
    144         }
    145         if (l < r) {
    146             alut[r] = alut[l];
    147             clut[r--] = clut[l];
    148         }
    149     }
    150     alut[l] = p_a;
    151     clut[l] = p_c;
    152     return l;
    153 }
    154 void _Qsort(FX_DWORD* alut, FX_DWORD* clut, int l, int r)
    155 {
    156     if(l < r) {
    157         int pI = _Partition(alut, clut, l, r);
    158         _Qsort(alut, clut, l, pI - 1);
    159         _Qsort(alut, clut, pI + 1, r);
    160     }
    161 }
    162 void _ColorDecode(FX_DWORD pal_v, FX_BYTE& r, FX_BYTE& g, FX_BYTE& b)
    163 {
    164     r = (FX_BYTE)((pal_v & 0xf00) >> 4);
    165     g = (FX_BYTE)(pal_v & 0x0f0);
    166     b = (FX_BYTE)((pal_v & 0x00f) << 4);
    167 }
    168 void _Obtain_Pal(FX_DWORD* aLut, FX_DWORD*cLut, FX_DWORD* dest_pal, int pal_type, FX_DWORD* win_mac_pal, FX_DWORD lut)
    169 {
    170     int row, col;
    171     FX_DWORD lut_1 = lut - 1;
    172     if (pal_type == FXDIB_PALETTE_LOC) {
    173         for (row = 0; row < 256; row++) {
    174             int lut_offset = lut_1 - row;
    175             if (lut_offset < 0) {
    176                 lut_offset += 256;
    177             }
    178             FX_DWORD color = cLut[lut_offset];
    179             FX_BYTE r, g, b;
    180             _ColorDecode(color, r, g, b);
    181             dest_pal[row] = ((FX_DWORD)r << 16) | ((FX_DWORD)g << 8) | b | 0xff000000;
    182             aLut[lut_offset] = row;
    183         }
    184     } else {
    185         for (row = 0; row < 256; row++) {
    186             int lut_offset = lut_1 - row;
    187             if (lut_offset < 0) {
    188                 lut_offset += 256;
    189             }
    190             FX_BYTE r, g, b;
    191             _ColorDecode(cLut[lut_offset], r, g, b);
    192             int error, min_error = 1000000;
    193             int c_index = 0;
    194             for (col = 0; col < 256; col++) {
    195                 FX_DWORD p_color = win_mac_pal[col];
    196                 int d_r = r - (FX_BYTE)(p_color >> 16);
    197                 int d_g = g - (FX_BYTE)(p_color >> 8);
    198                 int d_b = b - (FX_BYTE)p_color;
    199                 error = d_r * d_r + d_g * d_g + d_b * d_b;
    200                 if (error < min_error) {
    201                     min_error = error;
    202                     c_index = col;
    203                 }
    204             }
    205             dest_pal[row] =  win_mac_pal[c_index];
    206             aLut[lut_offset] = row;
    207         }
    208     }
    209 }
    210 CFX_Palette::CFX_Palette()
    211 {
    212     m_pPalette = NULL;
    213     m_cLut = NULL;
    214     m_aLut = NULL;
    215     m_lut = 0;
    216 }
    217 CFX_Palette::~CFX_Palette()
    218 {
    219     if (m_pPalette) {
    220         FX_Free(m_pPalette);
    221     }
    222     if (m_cLut) {
    223         FX_Free(m_cLut);
    224     }
    225     if (m_aLut) {
    226         FX_Free(m_aLut);
    227     }
    228     m_lut = 0;
    229 }
    230 FX_BOOL CFX_Palette::BuildPalette(const CFX_DIBSource* pBitmap, int pal_type)
    231 {
    232     if (pBitmap == NULL) {
    233         return FALSE;
    234     }
    235     if (m_pPalette != NULL) {
    236         FX_Free(m_pPalette);
    237     }
    238     m_pPalette = FX_Alloc(FX_DWORD, 256);
    239     if (!m_pPalette) {
    240         return FALSE;
    241     }
    242     FXSYS_memset32(m_pPalette, 0, sizeof(FX_DWORD) * 256);
    243     int bpp    = pBitmap->GetBPP() / 8;
    244     int width  = pBitmap->GetWidth();
    245     int height = pBitmap->GetHeight();
    246     if (m_cLut) {
    247         FX_Free(m_cLut);
    248         m_cLut = NULL;
    249     }
    250     if (m_aLut) {
    251         FX_Free(m_aLut);
    252         m_aLut = NULL;
    253     }
    254     m_cLut = FX_Alloc(FX_DWORD, 4096);
    255     if (!m_cLut) {
    256         return FALSE;
    257     }
    258     m_aLut = FX_Alloc(FX_DWORD, 4096);
    259     if (!m_aLut) {
    260         return FALSE;
    261     }
    262     FXSYS_memset32(m_aLut, 0, sizeof(FX_DWORD) * 4096);
    263     FXSYS_memset32(m_cLut, 0, sizeof(FX_DWORD) * 4096);
    264     int row, col;
    265     m_lut = 0;
    266     for (row = 0; row < height; row++) {
    267         FX_BYTE* scan_line = (FX_BYTE*)pBitmap->GetScanline(row);
    268         for (col = 0; col < width; col++) {
    269             FX_BYTE* src_port = scan_line + col * bpp;
    270             FX_DWORD b = src_port[0] & 0xf0;
    271             FX_DWORD g = src_port[1] & 0xf0;
    272             FX_DWORD r = src_port[2] & 0xf0;
    273             FX_DWORD index = (r << 4) + g + (b >> 4);
    274             m_aLut[index]++;
    275         }
    276     }
    277     for (row = 0; row < 4096; row++) {
    278         if (m_aLut[row] != 0) {
    279             m_aLut[m_lut] = m_aLut[row];
    280             m_cLut[m_lut] = row;
    281             m_lut++;
    282         }
    283     }
    284     _Qsort(m_aLut, m_cLut, 0, m_lut - 1);
    285     FX_DWORD* win_mac_pal = NULL;
    286     if (pal_type == FXDIB_PALETTE_WIN) {
    287         win_mac_pal = (FX_DWORD*)g_dwWinPalette;
    288     } else if (pal_type == FXDIB_PALETTE_MAC) {
    289         win_mac_pal = (FX_DWORD*)g_dwMacPalette;
    290     }
    291     _Obtain_Pal(m_aLut, m_cLut, m_pPalette, pal_type, win_mac_pal, m_lut);
    292     return TRUE;
    293 }
    294 FX_BOOL _ConvertBuffer_1bppMask2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    295                                      const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
    296 {
    297     FX_BYTE set_gray, reset_gray;
    298     set_gray = 0xff;
    299     reset_gray = 0x00;
    300     for (int row = 0; row < height; row ++) {
    301         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    302         FXSYS_memset8(dest_scan, reset_gray, width);
    303         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
    304         for (int col = src_left; col < src_left + width; col ++) {
    305             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
    306                 *dest_scan = set_gray;
    307             }
    308             dest_scan ++;
    309         }
    310     }
    311     return TRUE;
    312 }
    313 FX_BOOL _ConvertBuffer_8bppMask2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    314                                      const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
    315 {
    316     for (int row = 0; row < height; row ++) {
    317         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    318         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
    319         FXSYS_memcpy32(dest_scan, src_scan, width);
    320     }
    321     return TRUE;
    322 }
    323 FX_BOOL _ConvertBuffer_1bppPlt2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    324                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    325 {
    326     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
    327     FX_BYTE gray[2];
    328     if (pIccTransform) {
    329         FX_DWORD plt[2];
    330         if (pSrcBitmap->IsCmykImage()) {
    331             plt[0] = FXCMYK_TODIB(src_plt[0]);
    332             plt[1] = FXCMYK_TODIB(src_plt[1]);
    333         } else {
    334             FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
    335             bgr_ptr[0] = FXARGB_B(src_plt[0]);
    336             bgr_ptr[1] = FXARGB_G(src_plt[0]);
    337             bgr_ptr[2] = FXARGB_R(src_plt[0]);
    338             bgr_ptr[3] = FXARGB_B(src_plt[1]);
    339             bgr_ptr[4] = FXARGB_G(src_plt[1]);
    340             bgr_ptr[5] = FXARGB_R(src_plt[1]);
    341         }
    342         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    343         pIccModule->TranslateScanline(pIccTransform, gray, (FX_LPCBYTE)plt, 2);
    344     } else {
    345         FX_BYTE reset_r, reset_g, reset_b,
    346                 set_r, set_g, set_b;
    347         if (pSrcBitmap->IsCmykImage()) {
    348             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[0]), FXSYS_GetMValue(src_plt[0]), FXSYS_GetYValue(src_plt[0]), FXSYS_GetKValue(src_plt[0]),
    349                                reset_r, reset_g, reset_b);
    350             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[1]), FXSYS_GetMValue(src_plt[1]), FXSYS_GetYValue(src_plt[1]), FXSYS_GetKValue(src_plt[1]),
    351                                set_r, set_g, set_b);
    352         } else {
    353             reset_r = FXARGB_R(src_plt[0]);
    354             reset_g = FXARGB_G(src_plt[0]);
    355             reset_b = FXARGB_B(src_plt[0]);
    356             set_r = FXARGB_R(src_plt[1]);
    357             set_g = FXARGB_G(src_plt[1]);
    358             set_b = FXARGB_B(src_plt[1]);
    359         }
    360         gray[0] = FXRGB2GRAY(reset_r, reset_g, reset_b);
    361         gray[1] = FXRGB2GRAY(set_r, set_g, set_b);
    362     }
    363     for (int row = 0; row < height; row ++) {
    364         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    365         FXSYS_memset8(dest_scan, gray[0], width);
    366         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
    367         for (int col = src_left; col < src_left + width; col ++) {
    368             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
    369                 *dest_scan = gray[1];
    370             }
    371             dest_scan ++;
    372         }
    373     }
    374     return TRUE;
    375 }
    376 FX_BOOL _ConvertBuffer_8bppPlt2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    377                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    378 {
    379     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
    380     FX_BYTE gray[256];
    381     if (pIccTransform) {
    382         FX_DWORD plt[256];
    383         if (pSrcBitmap->IsCmykImage()) {
    384             for (int i = 0; i < 256; i ++) {
    385                 plt[i] = FXCMYK_TODIB(src_plt[i]);
    386             }
    387         } else {
    388             FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
    389             for (int i = 0; i < 256; i ++) {
    390                 *bgr_ptr++ = FXARGB_B(src_plt[i]);
    391                 *bgr_ptr++ = FXARGB_G(src_plt[i]);
    392                 *bgr_ptr++ = FXARGB_R(src_plt[i]);
    393             }
    394         }
    395         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    396         pIccModule->TranslateScanline(pIccTransform, gray, (FX_LPCBYTE)plt, 256);
    397     } else {
    398         if (pSrcBitmap->IsCmykImage()) {
    399             FX_BYTE r, g, b;
    400             for (int i = 0; i < 256; i ++) {
    401                 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]),
    402                                    r, g, b);
    403                 gray[i] = FXRGB2GRAY(r, g, b);
    404             }
    405         } else
    406             for (int i = 0; i < 256; i ++) {
    407                 gray[i] = FXRGB2GRAY(FXARGB_R(src_plt[i]), FXARGB_G(src_plt[i]), FXARGB_B(src_plt[i]));
    408             }
    409     }
    410     for (int row = 0; row < height; row ++) {
    411         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    412         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
    413         for (int col = 0; col < width; col ++) {
    414             *dest_scan++ = gray[*src_scan++];
    415         }
    416     }
    417     return TRUE;
    418 }
    419 FX_BOOL _ConvertBuffer_RgbOrCmyk2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    420                                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    421 {
    422     int Bpp = pSrcBitmap->GetBPP() / 8;
    423     if (pIccTransform) {
    424         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    425         if (Bpp == 3 || pSrcBitmap->IsCmykImage()) {
    426             for (int row = 0; row < height; row ++) {
    427                 FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    428                 FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp;
    429                 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, width);
    430             }
    431         } else {
    432             for (int row = 0; row < height; row ++) {
    433                 FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    434                 FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
    435                 for (int col = 0; col < width; col ++) {
    436                     pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1);
    437                     dest_scan++;
    438                     src_scan += 4;
    439                 }
    440             }
    441         }
    442     } else {
    443         if (pSrcBitmap->IsCmykImage()) {
    444             for (int row = 0; row < height; row ++) {
    445                 FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    446                 FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
    447                 for (int col = 0; col < width; col ++) {
    448                     FX_BYTE r, g, b;
    449                     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]),
    450                                        r, g, b);
    451                     *dest_scan++ = FXRGB2GRAY(r, g, b);
    452                     src_scan += 4;
    453                 }
    454             }
    455         } else
    456             for (int row = 0; row < height; row ++) {
    457                 FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    458                 FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp;
    459                 for (int col = 0; col < width; col ++) {
    460                     *dest_scan++ = FXRGB2GRAY(src_scan[2], src_scan[1], src_scan[0]);
    461                     src_scan += Bpp;
    462                 }
    463             }
    464     }
    465     return TRUE;
    466 }
    467 inline void _ConvertBuffer_IndexCopy(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    468                                      const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
    469 {
    470     if (pSrcBitmap->GetBPP() == 1) {
    471         for (int row = 0; row < height; row ++) {
    472             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    473             FXSYS_memset32(dest_scan, 0, width);
    474             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
    475             for (int col = src_left; col < src_left + width; col ++) {
    476                 if (src_scan[col / 8] & (1 << (7 - col % 8))) {
    477                     *dest_scan = 1;
    478                 }
    479                 dest_scan ++;
    480             }
    481         }
    482     } else {
    483         for (int row = 0; row < height; row ++) {
    484             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    485             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
    486             FXSYS_memcpy32(dest_scan, src_scan, width);
    487         }
    488     }
    489 }
    490 FX_BOOL _ConvertBuffer_Plt2PltRgb8(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    491                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt, void* pIccTransform)
    492 {
    493     _ConvertBuffer_IndexCopy(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    494     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
    495     int plt_size = pSrcBitmap->GetPaletteSize();
    496     if (pIccTransform) {
    497         FX_DWORD plt[256];
    498         FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
    499         if (pSrcBitmap->IsCmykImage()) {
    500             for (int i = 0; i < plt_size; i ++) {
    501                 plt[i] = FXCMYK_TODIB(src_plt[i]);
    502             }
    503         } else {
    504             for (int i = 0; i < plt_size; i ++) {
    505                 *bgr_ptr++ = FXARGB_B(src_plt[i]);
    506                 *bgr_ptr++ = FXARGB_G(src_plt[i]);
    507                 *bgr_ptr++ = FXARGB_R(src_plt[i]);
    508             }
    509             bgr_ptr = (FX_LPBYTE)plt;
    510         }
    511         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    512         pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, plt_size);
    513         for (int i = 0; i < plt_size; i ++) {
    514             dst_plt[i] = FXARGB_MAKE(0xff, bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]);
    515             bgr_ptr += 3;
    516         }
    517     } else {
    518         if (pSrcBitmap->IsCmykImage()) {
    519             for (int i = 0; i < plt_size; i ++) {
    520                 FX_BYTE r, g, b;
    521                 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]),
    522                                    r, g, b);
    523                 dst_plt[i] = FXARGB_MAKE(0xff, r, g, b);
    524             }
    525         } else {
    526             FXSYS_memcpy32(dst_plt, src_plt, plt_size * 4);
    527         }
    528     }
    529     return TRUE;
    530 }
    531 inline FX_BOOL _ConvertBuffer_Rgb2PltRgb8_NoTransform(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    532         const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt)
    533 {
    534     int bpp = pSrcBitmap->GetBPP() / 8;
    535     int row, col;
    536     CFX_Palette palette;
    537     palette.BuildPalette(pSrcBitmap, FXDIB_PALETTE_LOC);
    538     FX_DWORD* cLut = palette.GetColorLut();
    539     FX_DWORD* aLut = palette.GetAmountLut();
    540     if (cLut == NULL || aLut == NULL) {
    541         return FALSE;
    542     }
    543     int lut = palette.Getlut();
    544     FX_DWORD* pPalette = palette.GetPalette();
    545     if (lut > 256) {
    546         int err, min_err;
    547         int lut_256 = lut - 256;
    548         for (row = 0; row < lut_256; row++) {
    549             min_err = 1000000;
    550             FX_BYTE r, g, b;
    551             _ColorDecode(cLut[row], r, g, b);
    552             int clrindex = 0;
    553             for (int col = 0; col < 256; col++) {
    554                 FX_DWORD p_color = *(pPalette + col);
    555                 int d_r = r - (FX_BYTE)(p_color >> 16);
    556                 int d_g = g - (FX_BYTE)(p_color >> 8);
    557                 int d_b = b - (FX_BYTE)(p_color);
    558                 err = d_r * d_r + d_g * d_g + d_b * d_b;
    559                 if (err < min_err) {
    560                     min_err = err;
    561                     clrindex = col;
    562                 }
    563             }
    564             aLut[row] = clrindex;
    565         }
    566     }
    567     FX_INT32 lut_1 = lut - 1;
    568     for (row = 0; row < height; row ++) {
    569         FX_BYTE* src_scan = (FX_BYTE*)pSrcBitmap->GetScanline(src_top + row) + src_left;
    570         FX_BYTE* dest_scan = dest_buf + row * dest_pitch;
    571         for (col = 0; col < width; col++) {
    572             FX_BYTE* src_port = src_scan + col * bpp;
    573             int r = src_port[2] & 0xf0;
    574             int g = src_port[1] & 0xf0;
    575             int b = src_port[0] & 0xf0;
    576             FX_DWORD clrindex = (r << 4) + g + (b >> 4);
    577             for (int i = lut_1; i >= 0; i--)
    578                 if (clrindex == cLut[i]) {
    579                     *(dest_scan + col) = (FX_BYTE)(aLut[i]);
    580                     break;
    581                 }
    582         }
    583     }
    584     FXSYS_memcpy32(dst_plt, pPalette, sizeof(FX_DWORD) * 256);
    585     return TRUE;
    586 }
    587 FX_BOOL _ConvertBuffer_Rgb2PltRgb8(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    588                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt, void* pIccTransform)
    589 {
    590     ICodec_IccModule* pIccModule = NULL;
    591     if (pIccTransform) {
    592         pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    593     }
    594     FX_BOOL ret = _ConvertBuffer_Rgb2PltRgb8_NoTransform(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, dst_plt);
    595     if (ret && pIccTransform) {
    596         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    597         for (int i = 0; i < 256; i++) {
    598             FX_ARGB* plt = dst_plt + i;
    599             FX_ARGB plt_entry = FXARGB_TODIB(*plt);
    600             pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)&plt_entry, (FX_LPCBYTE)&plt_entry, 1);
    601             *plt = FXARGB_TODIB(plt_entry);
    602         }
    603     }
    604     return ret;
    605 }
    606 FX_BOOL _ConvertBuffer_1bppMask2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    607                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
    608 {
    609     int comps = (dst_format & 0xff) / 8;
    610     FX_BYTE set_gray, reset_gray;
    611     set_gray = 0xff;
    612     reset_gray = 0x00;
    613     for (int row = 0; row < height; row ++) {
    614         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    615         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
    616         for (int col = src_left; col < src_left + width; col ++) {
    617             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
    618                 dest_scan[0] = set_gray;
    619                 dest_scan[1] = set_gray;
    620                 dest_scan[2] = set_gray;
    621             } else {
    622                 dest_scan[0] = reset_gray;
    623                 dest_scan[1] = reset_gray;
    624                 dest_scan[2] = reset_gray;
    625             }
    626             dest_scan += comps;
    627         }
    628     }
    629     return TRUE;
    630 }
    631 FX_BOOL _ConvertBuffer_8bppMask2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    632                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
    633 {
    634     int comps = (dst_format & 0xff) / 8;
    635     for (int row = 0; row < height; row ++) {
    636         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    637         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
    638         FX_BYTE src_pixel;
    639         for (int col = 0; col < width; col ++) {
    640             src_pixel = *src_scan++;
    641             *dest_scan++ = src_pixel;
    642             *dest_scan++ = src_pixel;
    643             *dest_scan   = src_pixel;
    644             dest_scan += comps - 2;
    645         }
    646     }
    647     return TRUE;
    648 }
    649 FX_BOOL _ConvertBuffer_1bppPlt2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    650                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    651 {
    652     int comps = (dst_format & 0xff) / 8;
    653     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
    654     FX_DWORD plt[2];
    655     FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
    656     if (pSrcBitmap->IsCmykImage()) {
    657         plt[0] = FXCMYK_TODIB(src_plt[0]);
    658         plt[1] = FXCMYK_TODIB(src_plt[1]);
    659     } else {
    660         bgr_ptr[0] = FXARGB_B(src_plt[0]);
    661         bgr_ptr[1] = FXARGB_G(src_plt[0]);
    662         bgr_ptr[2] = FXARGB_R(src_plt[0]);
    663         bgr_ptr[3] = FXARGB_B(src_plt[1]);
    664         bgr_ptr[4] = FXARGB_G(src_plt[1]);
    665         bgr_ptr[5] = FXARGB_R(src_plt[1]);
    666     }
    667     if (pIccTransform) {
    668         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    669         pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, 2);
    670     } else {
    671         if (pSrcBitmap->IsCmykImage()) {
    672             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[0]), FXSYS_GetMValue(src_plt[0]), FXSYS_GetYValue(src_plt[0]), FXSYS_GetKValue(src_plt[0]),
    673                                bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]);
    674             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[1]), FXSYS_GetMValue(src_plt[1]), FXSYS_GetYValue(src_plt[1]), FXSYS_GetKValue(src_plt[1]),
    675                                bgr_ptr[5], bgr_ptr[4], bgr_ptr[3]);
    676         }
    677     }
    678     for (int row = 0; row < height; row ++) {
    679         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    680         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
    681         for (int col = src_left; col < src_left + width; col ++) {
    682             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
    683                 *dest_scan++ = bgr_ptr[3];
    684                 *dest_scan++ = bgr_ptr[4];
    685                 *dest_scan   = bgr_ptr[5];
    686             } else {
    687                 *dest_scan++ = bgr_ptr[0];
    688                 *dest_scan++ = bgr_ptr[1];
    689                 *dest_scan   = bgr_ptr[2];
    690             }
    691             dest_scan += comps - 2;
    692         }
    693     }
    694     return TRUE;
    695 }
    696 FX_BOOL _ConvertBuffer_8bppPlt2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    697                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    698 {
    699     int comps = (dst_format & 0xff) / 8;
    700     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
    701     FX_DWORD plt[256];
    702     FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
    703     if (!pSrcBitmap->IsCmykImage()) {
    704         for (int i = 0; i < 256; i++) {
    705             *bgr_ptr++ = FXARGB_B(src_plt[i]);
    706             *bgr_ptr++ = FXARGB_G(src_plt[i]);
    707             *bgr_ptr++ = FXARGB_R(src_plt[i]);
    708         }
    709         bgr_ptr = (FX_LPBYTE)plt;
    710     }
    711     if (pIccTransform) {
    712         if (pSrcBitmap->IsCmykImage()) {
    713             for (int i = 0; i < 256; i++) {
    714                 plt[i] = FXCMYK_TODIB(src_plt[i]);
    715             }
    716         }
    717         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    718         pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, 256);
    719     } else {
    720         if (pSrcBitmap->IsCmykImage()) {
    721             for (int i = 0; i < 256; i++) {
    722                 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]),
    723                                    bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]);
    724                 bgr_ptr += 3;
    725             }
    726             bgr_ptr = (FX_LPBYTE)plt;
    727         }
    728     }
    729     for (int row = 0; row < height; row ++) {
    730         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    731         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
    732         for (int col = 0; col < width; col ++) {
    733             FX_LPBYTE src_pixel = bgr_ptr + 3 * (*src_scan++);
    734             *dest_scan++ = *src_pixel++;
    735             *dest_scan++ = *src_pixel++;
    736             *dest_scan   = *src_pixel++;
    737             dest_scan += comps - 2;
    738         }
    739     }
    740     return TRUE;
    741 }
    742 FX_BOOL _ConvertBuffer_24bppRgb2Rgb24(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    743                                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    744 {
    745     if (pIccTransform) {
    746         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    747         for (int row = 0; row < height; row ++) {
    748             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    749             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 3;
    750             pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, width);
    751         }
    752     } else {
    753         for (int row = 0; row < height; row ++) {
    754             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    755             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 3;
    756             FXSYS_memcpy32(dest_scan, src_scan, width * 3);
    757         }
    758     }
    759     return TRUE;
    760 }
    761 FX_BOOL _ConvertBuffer_32bppRgb2Rgb24(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    762                                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    763 {
    764     for (int row = 0; row < height; row ++) {
    765         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    766         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
    767         for (int col = 0; col < width; col ++) {
    768             *dest_scan++ = *src_scan++;
    769             *dest_scan++ = *src_scan++;
    770             *dest_scan++ = *src_scan++;
    771             src_scan++;
    772         }
    773     }
    774     if (pIccTransform) {
    775         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    776         for (int row = 0; row < height; row ++) {
    777             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    778             pIccModule->TranslateScanline(pIccTransform, dest_scan, dest_scan, width);
    779         }
    780     }
    781     return TRUE;
    782 }
    783 FX_BOOL _ConvertBuffer_Rgb2Rgb32(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    784                                  const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    785 {
    786     int comps = pSrcBitmap->GetBPP() / 8;
    787     if (pIccTransform) {
    788         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    789         for (int row = 0; row < height; row ++) {
    790             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    791             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * comps;
    792             for (int col = 0; col < width; col ++) {
    793                 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1);
    794                 dest_scan += 4;
    795                 src_scan += comps;
    796             }
    797         }
    798     } else {
    799         for (int row = 0; row < height; row ++) {
    800             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    801             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * comps;
    802             for (int col = 0; col < width; col ++) {
    803                 *dest_scan++ = *src_scan++;
    804                 *dest_scan++ = *src_scan++;
    805                 *dest_scan++ = *src_scan++;
    806                 dest_scan++;
    807                 src_scan += comps - 3;
    808             }
    809         }
    810     }
    811     return TRUE;
    812 }
    813 FX_BOOL _ConvertBuffer_32bppCmyk2Rgb32(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    814                                        const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    815 {
    816     if (pIccTransform) {
    817         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    818         for (int row = 0; row < height; row ++) {
    819             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    820             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
    821             for (int col = 0; col < width; col ++) {
    822                 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1);
    823                 dest_scan += 4;
    824                 src_scan += 4;
    825             }
    826         }
    827     } else {
    828         for (int row = 0; row < height; row ++) {
    829             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    830             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
    831             for (int col = 0; col < width; col ++) {
    832                 AdobeCMYK_to_sRGB1(src_scan[0], src_scan[1], src_scan[2], src_scan[3],
    833                                    dest_scan[2], dest_scan[1], dest_scan[0]);
    834                 dest_scan += 4;
    835                 src_scan += 4;
    836             }
    837         }
    838     }
    839     return TRUE;
    840 }
    841 FX_BOOL ConvertBuffer(FXDIB_Format dest_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    842                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD*& d_pal, void* pIccTransform)
    843 {
    844     FXDIB_Format src_format = pSrcBitmap->GetFormat();
    845     if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
    846         pIccTransform = NULL;
    847     }
    848     switch (dest_format) {
    849         case FXDIB_Invalid:
    850         case FXDIB_1bppCmyk:
    851         case FXDIB_1bppMask:
    852         case FXDIB_1bppRgb:
    853             ASSERT(FALSE);
    854             return FALSE;
    855         case FXDIB_8bppMask: {
    856                 if ((src_format & 0xff) == 1) {
    857                     if (pSrcBitmap->GetPalette()) {
    858                         return _ConvertBuffer_1bppPlt2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    859                     }
    860                     return _ConvertBuffer_1bppMask2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    861                 } else if ((src_format & 0xff) == 8) {
    862                     if (pSrcBitmap->GetPalette()) {
    863                         return _ConvertBuffer_8bppPlt2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    864                     }
    865                     return _ConvertBuffer_8bppMask2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    866                 } else if ((src_format & 0xff) >= 24) {
    867                     return _ConvertBuffer_RgbOrCmyk2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    868                 }
    869                 return FALSE;
    870             }
    871         case FXDIB_8bppRgb:
    872         case FXDIB_8bppRgba: {
    873                 if ((src_format & 0xff) == 8 && pSrcBitmap->GetPalette() == NULL) {
    874                     return ConvertBuffer(FXDIB_8bppMask, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform);
    875                 }
    876                 d_pal = FX_Alloc(FX_DWORD, 256);
    877                 if (!d_pal) {
    878                     return FALSE;
    879                 }
    880                 FXSYS_memset32(d_pal, 0, sizeof(FX_DWORD) * 256);
    881                 if (((src_format & 0xff) == 1 || (src_format & 0xff) == 8) && pSrcBitmap->GetPalette()) {
    882                     return _ConvertBuffer_Plt2PltRgb8(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform);
    883                 } else if ((src_format & 0xff) >= 24) {
    884                     return _ConvertBuffer_Rgb2PltRgb8(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform);
    885                 }
    886                 return FALSE;
    887             }
    888         case FXDIB_Rgb:
    889         case FXDIB_Rgba: {
    890                 if ((src_format & 0xff) == 1) {
    891                     if (pSrcBitmap->GetPalette()) {
    892                         return _ConvertBuffer_1bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    893                     }
    894                     return _ConvertBuffer_1bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    895                 } else if ((src_format & 0xff) == 8) {
    896                     if (pSrcBitmap->GetPalette()) {
    897                         return _ConvertBuffer_8bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    898                     }
    899                     return _ConvertBuffer_8bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    900                 } else if ((src_format & 0xff) == 24) {
    901                     return _ConvertBuffer_24bppRgb2Rgb24(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    902                 } else if ((src_format & 0xff) == 32) {
    903                     return _ConvertBuffer_32bppRgb2Rgb24(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    904                 }
    905                 return FALSE;
    906             }
    907         case FXDIB_Argb:
    908         case FXDIB_Rgb32: {
    909                 if ((src_format & 0xff) == 1) {
    910                     if (pSrcBitmap->GetPalette()) {
    911                         return _ConvertBuffer_1bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    912                     }
    913                     return _ConvertBuffer_1bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    914                 } else if ((src_format & 0xff) == 8) {
    915                     if (pSrcBitmap->GetPalette()) {
    916                         return _ConvertBuffer_8bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    917                     }
    918                     return _ConvertBuffer_8bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    919                 } else if ((src_format & 0xff) >= 24) {
    920                     if (src_format & 0x0400) {
    921                         return _ConvertBuffer_32bppCmyk2Rgb32(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    922                     }
    923                     return _ConvertBuffer_Rgb2Rgb32(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    924                 }
    925                 return FALSE;
    926             }
    927         default:
    928             return FALSE;
    929     }
    930     return FALSE;
    931 }
    932 CFX_DIBitmap* CFX_DIBSource::CloneConvert(FXDIB_Format dest_format, const FX_RECT* pClip, void* pIccTransform) const
    933 {
    934     if(dest_format == GetFormat() && pIccTransform == NULL) {
    935         return Clone(pClip);
    936     }
    937     if (pClip) {
    938         CFX_DIBitmap* pClone = Clone(pClip);
    939         if (pClone == NULL) {
    940             return NULL;
    941         }
    942         if(!pClone->ConvertFormat(dest_format, pIccTransform)) {
    943             delete pClone;
    944             return NULL;
    945         }
    946         return pClone;
    947     }
    948     CFX_DIBitmap* pClone = FX_NEW CFX_DIBitmap;
    949     if (!pClone) {
    950         return NULL;
    951     }
    952     if(!pClone->Create(m_Width, m_Height, dest_format)) {
    953         delete pClone;
    954         return NULL;
    955     }
    956     FX_BOOL ret = TRUE;
    957     CFX_DIBitmap* pSrcAlpha = NULL;
    958     if (m_AlphaFlag & 2) {
    959         pSrcAlpha = (GetFormat() == FXDIB_Argb) ? GetAlphaMask() : m_pAlphaMask;
    960         if (pSrcAlpha == NULL) {
    961             delete pClone;
    962             return NULL;
    963         }
    964     }
    965     if (dest_format & 0x0200) {
    966         if (dest_format == FXDIB_Argb)
    967             ret = pSrcAlpha ?
    968                   pClone->LoadChannel(FXDIB_Alpha, pSrcAlpha, FXDIB_Alpha) :
    969                   pClone->LoadChannel(FXDIB_Alpha, 0xff);
    970         else {
    971             ret = pClone->CopyAlphaMask(pSrcAlpha);
    972         }
    973     }
    974     if (pSrcAlpha && pSrcAlpha != m_pAlphaMask) {
    975         delete pSrcAlpha;
    976         pSrcAlpha = NULL;
    977     }
    978     if (!ret) {
    979         delete pClone;
    980         return NULL;
    981     }
    982     FX_DWORD* pal_8bpp = NULL;
    983     ret = ConvertBuffer(dest_format, pClone->GetBuffer(), pClone->GetPitch(), m_Width, m_Height, this, 0, 0, pal_8bpp, pIccTransform);
    984     if (!ret) {
    985         if (pal_8bpp) {
    986             FX_Free(pal_8bpp);
    987         }
    988         delete pClone;
    989         return NULL;
    990     }
    991     if (pal_8bpp) {
    992         pClone->CopyPalette(pal_8bpp);
    993         FX_Free(pal_8bpp);
    994         pal_8bpp = NULL;
    995     }
    996     return pClone;
    997 }
    998 FX_BOOL CFX_DIBitmap::ConvertFormat(FXDIB_Format dest_format, void* pIccTransform)
    999 {
   1000     FXDIB_Format src_format = GetFormat();
   1001     if (dest_format == src_format && pIccTransform == NULL) {
   1002         return TRUE;
   1003     }
   1004     if (dest_format == FXDIB_8bppMask && src_format == FXDIB_8bppRgb && m_pPalette == NULL) {
   1005         m_AlphaFlag = 1;
   1006         return TRUE;
   1007     }
   1008     if (dest_format == FXDIB_Argb && src_format == FXDIB_Rgb32 && pIccTransform == NULL) {
   1009         m_AlphaFlag = 2;
   1010         for (int row = 0; row < m_Height; row ++) {
   1011             FX_LPBYTE scanline = m_pBuffer + row * m_Pitch + 3;
   1012             for (int col = 0; col < m_Width; col ++) {
   1013                 *scanline = 0xff;
   1014                 scanline += 4;
   1015             }
   1016         }
   1017         return TRUE;
   1018     }
   1019     int dest_bpp = dest_format & 0xff;
   1020     int dest_pitch = (dest_bpp * m_Width + 31) / 32 * 4;
   1021     FX_LPBYTE dest_buf = FX_AllocNL(FX_BYTE, dest_pitch * m_Height + 4);
   1022     if (dest_buf == NULL) {
   1023         return FALSE;
   1024     }
   1025     CFX_DIBitmap* pAlphaMask = NULL;
   1026     if (dest_format == FXDIB_Argb) {
   1027         FXSYS_memset8(dest_buf, 0xff, dest_pitch * m_Height + 4);
   1028         if (m_pAlphaMask) {
   1029             for (int row = 0; row < m_Height; row ++) {
   1030                 FX_LPBYTE pDstScanline = dest_buf + row * dest_pitch + 3;
   1031                 FX_LPCBYTE pSrcScanline = m_pAlphaMask->GetScanline(row);
   1032                 for (int col = 0; col < m_Width; col ++) {
   1033                     *pDstScanline = *pSrcScanline++;
   1034                     pDstScanline += 4;
   1035                 }
   1036             }
   1037         }
   1038     } else if (dest_format & 0x0200) {
   1039         if (src_format == FXDIB_Argb) {
   1040             pAlphaMask = GetAlphaMask();
   1041             if (pAlphaMask == NULL) {
   1042                 FX_Free(dest_buf);
   1043                 return FALSE;
   1044             }
   1045         } else {
   1046             if (m_pAlphaMask == NULL) {
   1047                 if (!BuildAlphaMask()) {
   1048                     FX_Free(dest_buf);
   1049                     return FALSE;
   1050                 }
   1051                 pAlphaMask = m_pAlphaMask;
   1052                 m_pAlphaMask = NULL;
   1053             } else {
   1054                 pAlphaMask = m_pAlphaMask;
   1055             }
   1056         }
   1057     }
   1058     FX_BOOL ret = FALSE;
   1059     FX_DWORD* pal_8bpp = NULL;
   1060     ret = ConvertBuffer(dest_format, dest_buf, dest_pitch, m_Width, m_Height, this, 0, 0, pal_8bpp, pIccTransform);
   1061     if (!ret) {
   1062         if (pal_8bpp) {
   1063             FX_Free(pal_8bpp);
   1064         }
   1065         if (pAlphaMask != m_pAlphaMask) {
   1066             delete pAlphaMask;
   1067         }
   1068         if (dest_buf) {
   1069             FX_Free(dest_buf);
   1070         }
   1071         return FALSE;
   1072     }
   1073     if (m_pAlphaMask && pAlphaMask != m_pAlphaMask) {
   1074         delete m_pAlphaMask;
   1075     }
   1076     m_pAlphaMask = pAlphaMask;
   1077     if (m_pPalette) {
   1078         FX_Free(m_pPalette);
   1079     }
   1080     m_pPalette = pal_8bpp;
   1081     if (!m_bExtBuf) {
   1082         FX_Free(m_pBuffer);
   1083     }
   1084     m_bExtBuf = FALSE;
   1085     m_pBuffer = dest_buf;
   1086     m_bpp = (FX_BYTE)dest_format;
   1087     m_AlphaFlag = (FX_BYTE)(dest_format >> 8);
   1088     m_Pitch = dest_pitch;
   1089     return TRUE;
   1090 }
   1091