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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
    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     int bpp    = pBitmap->GetBPP() / 8;
    240     int width  = pBitmap->GetWidth();
    241     int height = pBitmap->GetHeight();
    242     if (m_cLut) {
    243         FX_Free(m_cLut);
    244         m_cLut = NULL;
    245     }
    246     if (m_aLut) {
    247         FX_Free(m_aLut);
    248         m_aLut = NULL;
    249     }
    250     m_cLut = FX_Alloc(FX_DWORD, 4096);
    251     m_aLut = FX_Alloc(FX_DWORD, 4096);
    252     int row, col;
    253     m_lut = 0;
    254     for (row = 0; row < height; row++) {
    255         FX_BYTE* scan_line = (FX_BYTE*)pBitmap->GetScanline(row);
    256         for (col = 0; col < width; col++) {
    257             FX_BYTE* src_port = scan_line + col * bpp;
    258             FX_DWORD b = src_port[0] & 0xf0;
    259             FX_DWORD g = src_port[1] & 0xf0;
    260             FX_DWORD r = src_port[2] & 0xf0;
    261             FX_DWORD index = (r << 4) + g + (b >> 4);
    262             m_aLut[index]++;
    263         }
    264     }
    265     for (row = 0; row < 4096; row++) {
    266         if (m_aLut[row] != 0) {
    267             m_aLut[m_lut] = m_aLut[row];
    268             m_cLut[m_lut] = row;
    269             m_lut++;
    270         }
    271     }
    272     _Qsort(m_aLut, m_cLut, 0, m_lut - 1);
    273     FX_DWORD* win_mac_pal = NULL;
    274     if (pal_type == FXDIB_PALETTE_WIN) {
    275         win_mac_pal = (FX_DWORD*)g_dwWinPalette;
    276     } else if (pal_type == FXDIB_PALETTE_MAC) {
    277         win_mac_pal = (FX_DWORD*)g_dwMacPalette;
    278     }
    279     _Obtain_Pal(m_aLut, m_cLut, m_pPalette, pal_type, win_mac_pal, m_lut);
    280     return TRUE;
    281 }
    282 FX_BOOL _ConvertBuffer_1bppMask2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    283                                      const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
    284 {
    285     FX_BYTE set_gray, reset_gray;
    286     set_gray = 0xff;
    287     reset_gray = 0x00;
    288     for (int row = 0; row < height; row ++) {
    289         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    290         FXSYS_memset8(dest_scan, reset_gray, width);
    291         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
    292         for (int col = src_left; col < src_left + width; col ++) {
    293             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
    294                 *dest_scan = set_gray;
    295             }
    296             dest_scan ++;
    297         }
    298     }
    299     return TRUE;
    300 }
    301 FX_BOOL _ConvertBuffer_8bppMask2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    302                                      const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
    303 {
    304     for (int row = 0; row < height; row ++) {
    305         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    306         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
    307         FXSYS_memcpy32(dest_scan, src_scan, width);
    308     }
    309     return TRUE;
    310 }
    311 FX_BOOL _ConvertBuffer_1bppPlt2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    312                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    313 {
    314     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
    315     FX_BYTE gray[2];
    316     if (pIccTransform) {
    317         FX_DWORD plt[2];
    318         if (pSrcBitmap->IsCmykImage()) {
    319             plt[0] = FXCMYK_TODIB(src_plt[0]);
    320             plt[1] = FXCMYK_TODIB(src_plt[1]);
    321         } else {
    322             FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
    323             bgr_ptr[0] = FXARGB_B(src_plt[0]);
    324             bgr_ptr[1] = FXARGB_G(src_plt[0]);
    325             bgr_ptr[2] = FXARGB_R(src_plt[0]);
    326             bgr_ptr[3] = FXARGB_B(src_plt[1]);
    327             bgr_ptr[4] = FXARGB_G(src_plt[1]);
    328             bgr_ptr[5] = FXARGB_R(src_plt[1]);
    329         }
    330         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    331         pIccModule->TranslateScanline(pIccTransform, gray, (FX_LPCBYTE)plt, 2);
    332     } else {
    333         FX_BYTE reset_r, reset_g, reset_b,
    334                 set_r, set_g, set_b;
    335         if (pSrcBitmap->IsCmykImage()) {
    336             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[0]), FXSYS_GetMValue(src_plt[0]), FXSYS_GetYValue(src_plt[0]), FXSYS_GetKValue(src_plt[0]),
    337                                reset_r, reset_g, reset_b);
    338             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[1]), FXSYS_GetMValue(src_plt[1]), FXSYS_GetYValue(src_plt[1]), FXSYS_GetKValue(src_plt[1]),
    339                                set_r, set_g, set_b);
    340         } else {
    341             reset_r = FXARGB_R(src_plt[0]);
    342             reset_g = FXARGB_G(src_plt[0]);
    343             reset_b = FXARGB_B(src_plt[0]);
    344             set_r = FXARGB_R(src_plt[1]);
    345             set_g = FXARGB_G(src_plt[1]);
    346             set_b = FXARGB_B(src_plt[1]);
    347         }
    348         gray[0] = FXRGB2GRAY(reset_r, reset_g, reset_b);
    349         gray[1] = FXRGB2GRAY(set_r, set_g, set_b);
    350     }
    351     for (int row = 0; row < height; row ++) {
    352         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    353         FXSYS_memset8(dest_scan, gray[0], width);
    354         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
    355         for (int col = src_left; col < src_left + width; col ++) {
    356             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
    357                 *dest_scan = gray[1];
    358             }
    359             dest_scan ++;
    360         }
    361     }
    362     return TRUE;
    363 }
    364 FX_BOOL _ConvertBuffer_8bppPlt2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    365                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    366 {
    367     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
    368     FX_BYTE gray[256];
    369     if (pIccTransform) {
    370         FX_DWORD plt[256];
    371         if (pSrcBitmap->IsCmykImage()) {
    372             for (int i = 0; i < 256; i ++) {
    373                 plt[i] = FXCMYK_TODIB(src_plt[i]);
    374             }
    375         } else {
    376             FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
    377             for (int i = 0; i < 256; i ++) {
    378                 *bgr_ptr++ = FXARGB_B(src_plt[i]);
    379                 *bgr_ptr++ = FXARGB_G(src_plt[i]);
    380                 *bgr_ptr++ = FXARGB_R(src_plt[i]);
    381             }
    382         }
    383         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    384         pIccModule->TranslateScanline(pIccTransform, gray, (FX_LPCBYTE)plt, 256);
    385     } else {
    386         if (pSrcBitmap->IsCmykImage()) {
    387             FX_BYTE r, g, b;
    388             for (int i = 0; i < 256; i ++) {
    389                 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]),
    390                                    r, g, b);
    391                 gray[i] = FXRGB2GRAY(r, g, b);
    392             }
    393         } else
    394             for (int i = 0; i < 256; i ++) {
    395                 gray[i] = FXRGB2GRAY(FXARGB_R(src_plt[i]), FXARGB_G(src_plt[i]), FXARGB_B(src_plt[i]));
    396             }
    397     }
    398     for (int row = 0; row < height; row ++) {
    399         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    400         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
    401         for (int col = 0; col < width; col ++) {
    402             *dest_scan++ = gray[*src_scan++];
    403         }
    404     }
    405     return TRUE;
    406 }
    407 FX_BOOL _ConvertBuffer_RgbOrCmyk2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    408                                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    409 {
    410     int Bpp = pSrcBitmap->GetBPP() / 8;
    411     if (pIccTransform) {
    412         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    413         if (Bpp == 3 || pSrcBitmap->IsCmykImage()) {
    414             for (int row = 0; row < height; row ++) {
    415                 FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    416                 FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp;
    417                 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, width);
    418             }
    419         } else {
    420             for (int row = 0; row < height; row ++) {
    421                 FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    422                 FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
    423                 for (int col = 0; col < width; col ++) {
    424                     pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1);
    425                     dest_scan++;
    426                     src_scan += 4;
    427                 }
    428             }
    429         }
    430     } else {
    431         if (pSrcBitmap->IsCmykImage()) {
    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                     FX_BYTE r, g, b;
    437                     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]),
    438                                        r, g, b);
    439                     *dest_scan++ = FXRGB2GRAY(r, g, b);
    440                     src_scan += 4;
    441                 }
    442             }
    443         } else {
    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 * Bpp;
    447                 for (int col = 0; col < width; col ++) {
    448                     *dest_scan++ = FXRGB2GRAY(src_scan[2], src_scan[1], src_scan[0]);
    449                     src_scan += Bpp;
    450                 }
    451             }
    452         }
    453     }
    454     return TRUE;
    455 }
    456 inline void _ConvertBuffer_IndexCopy(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    457                                      const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
    458 {
    459     if (pSrcBitmap->GetBPP() == 1) {
    460         for (int row = 0; row < height; row ++) {
    461             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    462             FXSYS_memset32(dest_scan, 0, width);
    463             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
    464             for (int col = src_left; col < src_left + width; col ++) {
    465                 if (src_scan[col / 8] & (1 << (7 - col % 8))) {
    466                     *dest_scan = 1;
    467                 }
    468                 dest_scan ++;
    469             }
    470         }
    471     } else {
    472         for (int row = 0; row < height; row ++) {
    473             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    474             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
    475             FXSYS_memcpy32(dest_scan, src_scan, width);
    476         }
    477     }
    478 }
    479 FX_BOOL _ConvertBuffer_Plt2PltRgb8(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    480                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt, void* pIccTransform)
    481 {
    482     _ConvertBuffer_IndexCopy(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    483     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
    484     int plt_size = pSrcBitmap->GetPaletteSize();
    485     if (pIccTransform) {
    486         FX_DWORD plt[256];
    487         FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
    488         if (pSrcBitmap->IsCmykImage()) {
    489             for (int i = 0; i < plt_size; i ++) {
    490                 plt[i] = FXCMYK_TODIB(src_plt[i]);
    491             }
    492         } else {
    493             for (int i = 0; i < plt_size; i ++) {
    494                 *bgr_ptr++ = FXARGB_B(src_plt[i]);
    495                 *bgr_ptr++ = FXARGB_G(src_plt[i]);
    496                 *bgr_ptr++ = FXARGB_R(src_plt[i]);
    497             }
    498             bgr_ptr = (FX_LPBYTE)plt;
    499         }
    500         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    501         pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, plt_size);
    502         for (int i = 0; i < plt_size; i ++) {
    503             dst_plt[i] = FXARGB_MAKE(0xff, bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]);
    504             bgr_ptr += 3;
    505         }
    506     } else {
    507         if (pSrcBitmap->IsCmykImage()) {
    508             for (int i = 0; i < plt_size; i ++) {
    509                 FX_BYTE r, g, b;
    510                 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]),
    511                                    r, g, b);
    512                 dst_plt[i] = FXARGB_MAKE(0xff, r, g, b);
    513             }
    514         } else {
    515             FXSYS_memcpy32(dst_plt, src_plt, plt_size * 4);
    516         }
    517     }
    518     return TRUE;
    519 }
    520 inline FX_BOOL _ConvertBuffer_Rgb2PltRgb8_NoTransform(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    521         const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt)
    522 {
    523     int bpp = pSrcBitmap->GetBPP() / 8;
    524     int row, col;
    525     CFX_Palette palette;
    526     palette.BuildPalette(pSrcBitmap, FXDIB_PALETTE_LOC);
    527     FX_DWORD* cLut = palette.GetColorLut();
    528     FX_DWORD* aLut = palette.GetAmountLut();
    529     if (cLut == NULL || aLut == NULL) {
    530         return FALSE;
    531     }
    532     int lut = palette.Getlut();
    533     FX_DWORD* pPalette = palette.GetPalette();
    534     if (lut > 256) {
    535         int err, min_err;
    536         int lut_256 = lut - 256;
    537         for (row = 0; row < lut_256; row++) {
    538             min_err = 1000000;
    539             FX_BYTE r, g, b;
    540             _ColorDecode(cLut[row], r, g, b);
    541             int clrindex = 0;
    542             for (int col = 0; col < 256; col++) {
    543                 FX_DWORD p_color = *(pPalette + col);
    544                 int d_r = r - (FX_BYTE)(p_color >> 16);
    545                 int d_g = g - (FX_BYTE)(p_color >> 8);
    546                 int d_b = b - (FX_BYTE)(p_color);
    547                 err = d_r * d_r + d_g * d_g + d_b * d_b;
    548                 if (err < min_err) {
    549                     min_err = err;
    550                     clrindex = col;
    551                 }
    552             }
    553             aLut[row] = clrindex;
    554         }
    555     }
    556     FX_INT32 lut_1 = lut - 1;
    557     for (row = 0; row < height; row ++) {
    558         FX_BYTE* src_scan = (FX_BYTE*)pSrcBitmap->GetScanline(src_top + row) + src_left;
    559         FX_BYTE* dest_scan = dest_buf + row * dest_pitch;
    560         for (col = 0; col < width; col++) {
    561             FX_BYTE* src_port = src_scan + col * bpp;
    562             int r = src_port[2] & 0xf0;
    563             int g = src_port[1] & 0xf0;
    564             int b = src_port[0] & 0xf0;
    565             FX_DWORD clrindex = (r << 4) + g + (b >> 4);
    566             for (int i = lut_1; i >= 0; i--)
    567                 if (clrindex == cLut[i]) {
    568                     *(dest_scan + col) = (FX_BYTE)(aLut[i]);
    569                     break;
    570                 }
    571         }
    572     }
    573     FXSYS_memcpy32(dst_plt, pPalette, sizeof(FX_DWORD) * 256);
    574     return TRUE;
    575 }
    576 FX_BOOL _ConvertBuffer_Rgb2PltRgb8(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    577                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt, void* pIccTransform)
    578 {
    579     FX_BOOL ret = _ConvertBuffer_Rgb2PltRgb8_NoTransform(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, dst_plt);
    580     if (ret && pIccTransform) {
    581         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    582         for (int i = 0; i < 256; i++) {
    583             FX_ARGB* plt = dst_plt + i;
    584             FX_ARGB plt_entry = FXARGB_TODIB(*plt);
    585             pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)&plt_entry, (FX_LPCBYTE)&plt_entry, 1);
    586             *plt = FXARGB_TODIB(plt_entry);
    587         }
    588     }
    589     return ret;
    590 }
    591 FX_BOOL _ConvertBuffer_1bppMask2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    592                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
    593 {
    594     int comps = (dst_format & 0xff) / 8;
    595     FX_BYTE set_gray, reset_gray;
    596     set_gray = 0xff;
    597     reset_gray = 0x00;
    598     for (int row = 0; row < height; row ++) {
    599         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    600         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
    601         for (int col = src_left; col < src_left + width; col ++) {
    602             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
    603                 dest_scan[0] = set_gray;
    604                 dest_scan[1] = set_gray;
    605                 dest_scan[2] = set_gray;
    606             } else {
    607                 dest_scan[0] = reset_gray;
    608                 dest_scan[1] = reset_gray;
    609                 dest_scan[2] = reset_gray;
    610             }
    611             dest_scan += comps;
    612         }
    613     }
    614     return TRUE;
    615 }
    616 FX_BOOL _ConvertBuffer_8bppMask2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    617                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
    618 {
    619     int comps = (dst_format & 0xff) / 8;
    620     for (int row = 0; row < height; row ++) {
    621         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    622         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
    623         FX_BYTE src_pixel;
    624         for (int col = 0; col < width; col ++) {
    625             src_pixel = *src_scan++;
    626             *dest_scan++ = src_pixel;
    627             *dest_scan++ = src_pixel;
    628             *dest_scan   = src_pixel;
    629             dest_scan += comps - 2;
    630         }
    631     }
    632     return TRUE;
    633 }
    634 FX_BOOL _ConvertBuffer_1bppPlt2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    635                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    636 {
    637     int comps = (dst_format & 0xff) / 8;
    638     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
    639     FX_DWORD plt[2];
    640     FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
    641     if (pSrcBitmap->IsCmykImage()) {
    642         plt[0] = FXCMYK_TODIB(src_plt[0]);
    643         plt[1] = FXCMYK_TODIB(src_plt[1]);
    644     } else {
    645         bgr_ptr[0] = FXARGB_B(src_plt[0]);
    646         bgr_ptr[1] = FXARGB_G(src_plt[0]);
    647         bgr_ptr[2] = FXARGB_R(src_plt[0]);
    648         bgr_ptr[3] = FXARGB_B(src_plt[1]);
    649         bgr_ptr[4] = FXARGB_G(src_plt[1]);
    650         bgr_ptr[5] = FXARGB_R(src_plt[1]);
    651     }
    652     if (pIccTransform) {
    653         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    654         pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, 2);
    655     } else {
    656         if (pSrcBitmap->IsCmykImage()) {
    657             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[0]), FXSYS_GetMValue(src_plt[0]), FXSYS_GetYValue(src_plt[0]), FXSYS_GetKValue(src_plt[0]),
    658                                bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]);
    659             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[1]), FXSYS_GetMValue(src_plt[1]), FXSYS_GetYValue(src_plt[1]), FXSYS_GetKValue(src_plt[1]),
    660                                bgr_ptr[5], bgr_ptr[4], bgr_ptr[3]);
    661         }
    662     }
    663     for (int row = 0; row < height; row ++) {
    664         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    665         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
    666         for (int col = src_left; col < src_left + width; col ++) {
    667             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
    668                 *dest_scan++ = bgr_ptr[3];
    669                 *dest_scan++ = bgr_ptr[4];
    670                 *dest_scan   = bgr_ptr[5];
    671             } else {
    672                 *dest_scan++ = bgr_ptr[0];
    673                 *dest_scan++ = bgr_ptr[1];
    674                 *dest_scan   = bgr_ptr[2];
    675             }
    676             dest_scan += comps - 2;
    677         }
    678     }
    679     return TRUE;
    680 }
    681 FX_BOOL _ConvertBuffer_8bppPlt2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    682                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    683 {
    684     int comps = (dst_format & 0xff) / 8;
    685     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
    686     FX_DWORD plt[256];
    687     FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
    688     if (!pSrcBitmap->IsCmykImage()) {
    689         for (int i = 0; i < 256; i++) {
    690             *bgr_ptr++ = FXARGB_B(src_plt[i]);
    691             *bgr_ptr++ = FXARGB_G(src_plt[i]);
    692             *bgr_ptr++ = FXARGB_R(src_plt[i]);
    693         }
    694         bgr_ptr = (FX_LPBYTE)plt;
    695     }
    696     if (pIccTransform) {
    697         if (pSrcBitmap->IsCmykImage()) {
    698             for (int i = 0; i < 256; i++) {
    699                 plt[i] = FXCMYK_TODIB(src_plt[i]);
    700             }
    701         }
    702         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    703         pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, 256);
    704     } else {
    705         if (pSrcBitmap->IsCmykImage()) {
    706             for (int i = 0; i < 256; i++) {
    707                 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]),
    708                                    bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]);
    709                 bgr_ptr += 3;
    710             }
    711             bgr_ptr = (FX_LPBYTE)plt;
    712         }
    713     }
    714     for (int row = 0; row < height; row ++) {
    715         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    716         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
    717         for (int col = 0; col < width; col ++) {
    718             FX_LPBYTE src_pixel = bgr_ptr + 3 * (*src_scan++);
    719             *dest_scan++ = *src_pixel++;
    720             *dest_scan++ = *src_pixel++;
    721             *dest_scan   = *src_pixel++;
    722             dest_scan += comps - 2;
    723         }
    724     }
    725     return TRUE;
    726 }
    727 FX_BOOL _ConvertBuffer_24bppRgb2Rgb24(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    728                                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    729 {
    730     if (pIccTransform) {
    731         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    732         for (int row = 0; row < height; row ++) {
    733             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    734             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 3;
    735             pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, width);
    736         }
    737     } else {
    738         for (int row = 0; row < height; row ++) {
    739             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    740             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 3;
    741             FXSYS_memcpy32(dest_scan, src_scan, width * 3);
    742         }
    743     }
    744     return TRUE;
    745 }
    746 FX_BOOL _ConvertBuffer_32bppRgb2Rgb24(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    747                                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    748 {
    749     for (int row = 0; row < height; row ++) {
    750         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    751         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
    752         for (int col = 0; col < width; col ++) {
    753             *dest_scan++ = *src_scan++;
    754             *dest_scan++ = *src_scan++;
    755             *dest_scan++ = *src_scan++;
    756             src_scan++;
    757         }
    758     }
    759     if (pIccTransform) {
    760         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    761         for (int row = 0; row < height; row ++) {
    762             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    763             pIccModule->TranslateScanline(pIccTransform, dest_scan, dest_scan, width);
    764         }
    765     }
    766     return TRUE;
    767 }
    768 FX_BOOL _ConvertBuffer_Rgb2Rgb32(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    769                                  const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    770 {
    771     int comps = pSrcBitmap->GetBPP() / 8;
    772     if (pIccTransform) {
    773         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    774         for (int row = 0; row < height; row ++) {
    775             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    776             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * comps;
    777             for (int col = 0; col < width; col ++) {
    778                 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1);
    779                 dest_scan += 4;
    780                 src_scan += comps;
    781             }
    782         }
    783     } else {
    784         for (int row = 0; row < height; row ++) {
    785             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    786             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * comps;
    787             for (int col = 0; col < width; col ++) {
    788                 *dest_scan++ = *src_scan++;
    789                 *dest_scan++ = *src_scan++;
    790                 *dest_scan++ = *src_scan++;
    791                 dest_scan++;
    792                 src_scan += comps - 3;
    793             }
    794         }
    795     }
    796     return TRUE;
    797 }
    798 FX_BOOL _ConvertBuffer_32bppCmyk2Rgb32(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    799                                        const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
    800 {
    801     if (pIccTransform) {
    802         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
    803         for (int row = 0; row < height; row ++) {
    804             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    805             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
    806             for (int col = 0; col < width; col ++) {
    807                 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1);
    808                 dest_scan += 4;
    809                 src_scan += 4;
    810             }
    811         }
    812     } else {
    813         for (int row = 0; row < height; row ++) {
    814             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
    815             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
    816             for (int col = 0; col < width; col ++) {
    817                 AdobeCMYK_to_sRGB1(src_scan[0], src_scan[1], src_scan[2], src_scan[3],
    818                                    dest_scan[2], dest_scan[1], dest_scan[0]);
    819                 dest_scan += 4;
    820                 src_scan += 4;
    821             }
    822         }
    823     }
    824     return TRUE;
    825 }
    826 FX_BOOL ConvertBuffer(FXDIB_Format dest_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
    827                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD*& d_pal, void* pIccTransform)
    828 {
    829     FXDIB_Format src_format = pSrcBitmap->GetFormat();
    830     if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
    831         pIccTransform = NULL;
    832     }
    833     switch (dest_format) {
    834         case FXDIB_Invalid:
    835         case FXDIB_1bppCmyk:
    836         case FXDIB_1bppMask:
    837         case FXDIB_1bppRgb:
    838             ASSERT(FALSE);
    839             return FALSE;
    840         case FXDIB_8bppMask: {
    841                 if ((src_format & 0xff) == 1) {
    842                     if (pSrcBitmap->GetPalette()) {
    843                         return _ConvertBuffer_1bppPlt2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    844                     }
    845                     return _ConvertBuffer_1bppMask2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    846                 } else if ((src_format & 0xff) == 8) {
    847                     if (pSrcBitmap->GetPalette()) {
    848                         return _ConvertBuffer_8bppPlt2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    849                     }
    850                     return _ConvertBuffer_8bppMask2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    851                 } else if ((src_format & 0xff) >= 24) {
    852                     return _ConvertBuffer_RgbOrCmyk2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    853                 }
    854                 return FALSE;
    855             }
    856         case FXDIB_8bppRgb:
    857         case FXDIB_8bppRgba: {
    858                 if ((src_format & 0xff) == 8 && pSrcBitmap->GetPalette() == NULL) {
    859                     return ConvertBuffer(FXDIB_8bppMask, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform);
    860                 }
    861                 d_pal = FX_Alloc(FX_DWORD, 256);
    862                 if (((src_format & 0xff) == 1 || (src_format & 0xff) == 8) && pSrcBitmap->GetPalette()) {
    863                     return _ConvertBuffer_Plt2PltRgb8(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform);
    864                 } else if ((src_format & 0xff) >= 24) {
    865                     return _ConvertBuffer_Rgb2PltRgb8(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform);
    866                 }
    867                 return FALSE;
    868             }
    869         case FXDIB_Rgb:
    870         case FXDIB_Rgba: {
    871                 if ((src_format & 0xff) == 1) {
    872                     if (pSrcBitmap->GetPalette()) {
    873                         return _ConvertBuffer_1bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    874                     }
    875                     return _ConvertBuffer_1bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    876                 } else if ((src_format & 0xff) == 8) {
    877                     if (pSrcBitmap->GetPalette()) {
    878                         return _ConvertBuffer_8bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    879                     }
    880                     return _ConvertBuffer_8bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
    881                 } else if ((src_format & 0xff) == 24) {
    882                     return _ConvertBuffer_24bppRgb2Rgb24(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    883                 } else if ((src_format & 0xff) == 32) {
    884                     return _ConvertBuffer_32bppRgb2Rgb24(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    885                 }
    886                 return FALSE;
    887             }
    888         case FXDIB_Argb:
    889         case FXDIB_Rgb32: {
    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                     if (src_format & 0x0400) {
    902                         return _ConvertBuffer_32bppCmyk2Rgb32(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    903                     }
    904                     return _ConvertBuffer_Rgb2Rgb32(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
    905                 }
    906                 return FALSE;
    907             }
    908         default:
    909             return FALSE;
    910     }
    911     return FALSE;
    912 }
    913 CFX_DIBitmap* CFX_DIBSource::CloneConvert(FXDIB_Format dest_format, const FX_RECT* pClip, void* pIccTransform) const
    914 {
    915     if(dest_format == GetFormat() && pIccTransform == NULL) {
    916         return Clone(pClip);
    917     }
    918     if (pClip) {
    919         CFX_DIBitmap* pClone = Clone(pClip);
    920         if (pClone == NULL) {
    921             return NULL;
    922         }
    923         if(!pClone->ConvertFormat(dest_format, pIccTransform)) {
    924             delete pClone;
    925             return NULL;
    926         }
    927         return pClone;
    928     }
    929     CFX_DIBitmap* pClone = new CFX_DIBitmap;
    930     if(!pClone->Create(m_Width, m_Height, dest_format)) {
    931         delete pClone;
    932         return NULL;
    933     }
    934     FX_BOOL ret = TRUE;
    935     CFX_DIBitmap* pSrcAlpha = NULL;
    936     if (m_AlphaFlag & 2) {
    937         pSrcAlpha = (GetFormat() == FXDIB_Argb) ? GetAlphaMask() : m_pAlphaMask;
    938         if (pSrcAlpha == NULL) {
    939             delete pClone;
    940             return NULL;
    941         }
    942     }
    943     if (dest_format & 0x0200) {
    944         if (dest_format == FXDIB_Argb)
    945             ret = pSrcAlpha ?
    946                   pClone->LoadChannel(FXDIB_Alpha, pSrcAlpha, FXDIB_Alpha) :
    947                   pClone->LoadChannel(FXDIB_Alpha, 0xff);
    948         else {
    949             ret = pClone->CopyAlphaMask(pSrcAlpha);
    950         }
    951     }
    952     if (pSrcAlpha && pSrcAlpha != m_pAlphaMask) {
    953         delete pSrcAlpha;
    954         pSrcAlpha = NULL;
    955     }
    956     if (!ret) {
    957         delete pClone;
    958         return NULL;
    959     }
    960     FX_DWORD* pal_8bpp = NULL;
    961     ret = ConvertBuffer(dest_format, pClone->GetBuffer(), pClone->GetPitch(), m_Width, m_Height, this, 0, 0, pal_8bpp, pIccTransform);
    962     if (!ret) {
    963         if (pal_8bpp) {
    964             FX_Free(pal_8bpp);
    965         }
    966         delete pClone;
    967         return NULL;
    968     }
    969     if (pal_8bpp) {
    970         pClone->CopyPalette(pal_8bpp);
    971         FX_Free(pal_8bpp);
    972         pal_8bpp = NULL;
    973     }
    974     return pClone;
    975 }
    976 FX_BOOL CFX_DIBitmap::ConvertFormat(FXDIB_Format dest_format, void* pIccTransform)
    977 {
    978     FXDIB_Format src_format = GetFormat();
    979     if (dest_format == src_format && pIccTransform == NULL) {
    980         return TRUE;
    981     }
    982     if (dest_format == FXDIB_8bppMask && src_format == FXDIB_8bppRgb && m_pPalette == NULL) {
    983         m_AlphaFlag = 1;
    984         return TRUE;
    985     }
    986     if (dest_format == FXDIB_Argb && src_format == FXDIB_Rgb32 && pIccTransform == NULL) {
    987         m_AlphaFlag = 2;
    988         for (int row = 0; row < m_Height; row ++) {
    989             FX_LPBYTE scanline = m_pBuffer + row * m_Pitch + 3;
    990             for (int col = 0; col < m_Width; col ++) {
    991                 *scanline = 0xff;
    992                 scanline += 4;
    993             }
    994         }
    995         return TRUE;
    996     }
    997     int dest_bpp = dest_format & 0xff;
    998     int dest_pitch = (dest_bpp * m_Width + 31) / 32 * 4;
    999     FX_LPBYTE dest_buf = FX_TryAlloc(FX_BYTE, dest_pitch * m_Height + 4);
   1000     if (dest_buf == NULL) {
   1001         return FALSE;
   1002     }
   1003     CFX_DIBitmap* pAlphaMask = NULL;
   1004     if (dest_format == FXDIB_Argb) {
   1005         FXSYS_memset8(dest_buf, 0xff, dest_pitch * m_Height + 4);
   1006         if (m_pAlphaMask) {
   1007             for (int row = 0; row < m_Height; row ++) {
   1008                 FX_LPBYTE pDstScanline = dest_buf + row * dest_pitch + 3;
   1009                 FX_LPCBYTE pSrcScanline = m_pAlphaMask->GetScanline(row);
   1010                 for (int col = 0; col < m_Width; col ++) {
   1011                     *pDstScanline = *pSrcScanline++;
   1012                     pDstScanline += 4;
   1013                 }
   1014             }
   1015         }
   1016     } else if (dest_format & 0x0200) {
   1017         if (src_format == FXDIB_Argb) {
   1018             pAlphaMask = GetAlphaMask();
   1019             if (pAlphaMask == NULL) {
   1020                 FX_Free(dest_buf);
   1021                 return FALSE;
   1022             }
   1023         } else {
   1024             if (m_pAlphaMask == NULL) {
   1025                 if (!BuildAlphaMask()) {
   1026                     FX_Free(dest_buf);
   1027                     return FALSE;
   1028                 }
   1029                 pAlphaMask = m_pAlphaMask;
   1030                 m_pAlphaMask = NULL;
   1031             } else {
   1032                 pAlphaMask = m_pAlphaMask;
   1033             }
   1034         }
   1035     }
   1036     FX_BOOL ret = FALSE;
   1037     FX_DWORD* pal_8bpp = NULL;
   1038     ret = ConvertBuffer(dest_format, dest_buf, dest_pitch, m_Width, m_Height, this, 0, 0, pal_8bpp, pIccTransform);
   1039     if (!ret) {
   1040         if (pal_8bpp) {
   1041             FX_Free(pal_8bpp);
   1042         }
   1043         if (pAlphaMask != m_pAlphaMask) {
   1044             delete pAlphaMask;
   1045         }
   1046         if (dest_buf) {
   1047             FX_Free(dest_buf);
   1048         }
   1049         return FALSE;
   1050     }
   1051     if (m_pAlphaMask && pAlphaMask != m_pAlphaMask) {
   1052         delete m_pAlphaMask;
   1053     }
   1054     m_pAlphaMask = pAlphaMask;
   1055     if (m_pPalette) {
   1056         FX_Free(m_pPalette);
   1057     }
   1058     m_pPalette = pal_8bpp;
   1059     if (!m_bExtBuf) {
   1060         FX_Free(m_pBuffer);
   1061     }
   1062     m_bExtBuf = FALSE;
   1063     m_pBuffer = dest_buf;
   1064     m_bpp = (FX_BYTE)dest_format;
   1065     m_AlphaFlag = (FX_BYTE)(dest_format >> 8);
   1066     m_Pitch = dest_pitch;
   1067     return TRUE;
   1068 }
   1069