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);
GetPalette() const107     FX_DWORD*    GetPalette() const
108     {
109         return m_pPalette;
110     }
111 
GetColorLut() const112     FX_DWORD*    GetColorLut()const
113     {
114         return m_cLut;
115     }
GetAmountLut() const116     FX_DWORD*    GetAmountLut()const
117     {
118         return m_aLut;
119     }
Getlut() const120     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 };
_Partition(FX_DWORD * alut,FX_DWORD * clut,int l,int r)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 }
_Qsort(FX_DWORD * alut,FX_DWORD * clut,int l,int r)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 }
_ColorDecode(FX_DWORD pal_v,FX_BYTE & r,FX_BYTE & g,FX_BYTE & b)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 }
_Obtain_Pal(FX_DWORD * aLut,FX_DWORD * cLut,FX_DWORD * dest_pal,int pal_type,FX_DWORD * win_mac_pal,FX_DWORD lut)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 }
CFX_Palette()210 CFX_Palette::CFX_Palette()
211 {
212     m_pPalette = NULL;
213     m_cLut = NULL;
214     m_aLut = NULL;
215     m_lut = 0;
216 }
~CFX_Palette()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 }
BuildPalette(const CFX_DIBSource * pBitmap,int pal_type)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 }
_ConvertBuffer_1bppMask2Gray(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top)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 }
_ConvertBuffer_8bppMask2Gray(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top)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 }
_ConvertBuffer_1bppPlt2Gray(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,void * pIccTransform)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 }
_ConvertBuffer_8bppPlt2Gray(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,void * pIccTransform)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 }
_ConvertBuffer_RgbOrCmyk2Gray(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,void * pIccTransform)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 }
_ConvertBuffer_IndexCopy(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top)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 }
_ConvertBuffer_Plt2PltRgb8(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,FX_DWORD * dst_plt,void * pIccTransform)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 }
_ConvertBuffer_Rgb2PltRgb8_NoTransform(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,FX_DWORD * dst_plt)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 }
_ConvertBuffer_Rgb2PltRgb8(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,FX_DWORD * dst_plt,void * pIccTransform)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 }
_ConvertBuffer_1bppMask2Rgb(FXDIB_Format dst_format,FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top)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 }
_ConvertBuffer_8bppMask2Rgb(FXDIB_Format dst_format,FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top)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 }
_ConvertBuffer_1bppPlt2Rgb(FXDIB_Format dst_format,FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,void * pIccTransform)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 }
_ConvertBuffer_8bppPlt2Rgb(FXDIB_Format dst_format,FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,void * pIccTransform)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 }
_ConvertBuffer_24bppRgb2Rgb24(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,void * pIccTransform)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 }
_ConvertBuffer_32bppRgb2Rgb24(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,void * pIccTransform)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 }
_ConvertBuffer_Rgb2Rgb32(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,void * pIccTransform)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 }
_ConvertBuffer_32bppCmyk2Rgb32(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,void * pIccTransform)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 }
ConvertBuffer(FXDIB_Format dest_format,FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top,FX_DWORD * & d_pal,void * pIccTransform)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 }
CloneConvert(FXDIB_Format dest_format,const FX_RECT * pClip,void * pIccTransform) const913 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 }
ConvertFormat(FXDIB_Format dest_format,void * pIccTransform)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