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1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #include "../../../include/fxge/fx_dib.h"
8 #include "../../../include/fxge/fx_ge.h"
9 #include "../../../include/fxcodec/fx_codec.h"
10 const FX_DWORD g_dwWinPalette[256] = {
11     0xff000000, 0xff800000, 0xff008000, 0xff808000, 0xff000080, 0xff800080,
12     0xff008080, 0xff808080, 0xffC0DCC0, 0xffA6CAF0, 0xff2A3FAA, 0xff2A3FFF,
13     0xff2A5F00, 0xff2A5F55, 0xff2A5FAA, 0xff2A5FFF, 0xff2A7F00, 0xff2A7F55,
14     0xff2A7FAA, 0xff2A7FFF, 0xff2A9F00, 0xff2A9F55, 0xff2A9FAA, 0xff2A9FFF,
15     0xff2ABF00, 0xff2ABF55, 0xff2ABFAA, 0xff2ABFFF, 0xff2ADF00, 0xff2ADF55,
16     0xff2ADFAA, 0xff2ADFFF, 0xff2AFF00, 0xff2AFF55, 0xff2AFFAA, 0xff2AFFFF,
17     0xff550000, 0xff550055, 0xff5500AA, 0xff5500FF, 0xff551F00, 0xff551F55,
18     0xff551FAA, 0xff551FFF, 0xff553F00, 0xff553F55, 0xff553FAA, 0xff553FFF,
19     0xff555F00, 0xff555F55, 0xff555FAA, 0xff555FFF, 0xff557F00, 0xff557F55,
20     0xff557FAA, 0xff557FFF, 0xff559F00, 0xff559F55, 0xff559FAA, 0xff559FFF,
21     0xff55BF00, 0xff55BF55, 0xff55BFAA, 0xff55BFFF, 0xff55DF00, 0xff55DF55,
22     0xff55DFAA, 0xff55DFFF, 0xff55FF00, 0xff55FF55, 0xff55FFAA, 0xff55FFFF,
23     0xff7F0000, 0xff7F0055, 0xff7F00AA, 0xff7F00FF, 0xff7F1F00, 0xff7F1F55,
24     0xff7F1FAA, 0xff7F1FFF, 0xff7F3F00, 0xff7F3F55, 0xff7F3FAA, 0xff7F3FFF,
25     0xff7F5F00, 0xff7F5F55, 0xff7F5FAA, 0xff7F5FFF, 0xff7F7F00, 0xff7F7F55,
26     0xff7F7FAA, 0xff7F7FFF, 0xff7F9F00, 0xff7F9F55, 0xff7F9FAA, 0xff7F9FFF,
27     0xff7FBF00, 0xff7FBF55, 0xff7FBFAA, 0xff7FBFFF, 0xff7FDF00, 0xff7FDF55,
28     0xff7FDFAA, 0xff7FDFFF, 0xff00FF7F, 0xff7FFF55, 0xff7FFFAA, 0xff7FFFFF,
29     0xffAA0000, 0xffAA0055, 0xffAA00AA, 0xffAA00FF, 0xffAA1F00, 0xffAA1F55,
30     0xffAA1FAA, 0xffAA1FFF, 0xffAA3F00, 0xffAA3F55, 0xffAA3FAA, 0xffAA3FFF,
31     0xffAA5F00, 0xffAA5F55, 0xffAA5FAA, 0xffAA5FFF, 0xffAA7F00, 0xffAA7F55,
32     0xffAA7FAA, 0xffAA7FFF, 0xffAA9F00, 0xffAA9F55, 0xffAA9FAA, 0xffAA9FFF,
33     0xffAABF00, 0xffAABF55, 0xffAABFAA, 0xffAABFFF, 0xffAADF00, 0xffAADF55,
34     0xffAADFAA, 0xffAADFFF, 0xffAAFF00, 0xffAAFF55, 0xffAAFFAA, 0xffAAFFFF,
35     0xffD40000, 0xffD40055, 0xffD400AA, 0xffD400FF, 0xffD41F00, 0xffD41F55,
36     0xffD41FAA, 0xffD41FFF, 0xffD43F00, 0xffD43F55, 0xffD43FAA, 0xffD43FFF,
37     0xffD45F00, 0xffD45F55, 0xffD45FAA, 0xffD45FFF, 0xffD47F00, 0xffD47F55,
38     0xffD47FAA, 0xffD4F7FF, 0xffD49F00, 0xffD49F55, 0xffD49FAA, 0xffD49FFF,
39     0xffD4BF00, 0xffD4BF55, 0xffD4BFAA, 0xffD4BFFF, 0xffD4DF00, 0xffD4DF55,
40     0xffD4DFAA, 0xffD4DFFF, 0xffD4FF00, 0xffD4FF55, 0xffD4FFAA, 0xffD4FFFF,
41     0xffFF0055, 0xffFF00AA, 0xffFF1F00, 0xffFF1F55, 0xffFF1FAA, 0xffFF1FFF,
42     0xffFF3F00, 0xffFF3F55, 0xffFF3FAA, 0xffFF3FFF, 0xffFF5F00, 0xffFF5F55,
43     0xffFF5FAA, 0xffFF5FFF, 0xffFF7F00, 0xffFF7F55, 0xffFF7FAA, 0xffFF7FFF,
44     0xffFF9F00, 0xffFF9F55, 0xffFF9FAA, 0xffFF9FFF, 0xffFFBF00, 0xffFFBF55,
45     0xffFFBFAA, 0xffFFBFFF, 0xffFFDF00, 0xffFFDF55, 0xffFFDFAA, 0xffFFDFFF,
46     0xffFFFF55, 0xffFFFFAA, 0xffCCCCFF, 0xffFFCCFF, 0xff33FFFF, 0xff66FFFF,
47     0xff99FFFF, 0xffCCFFFF, 0xff007F00, 0xff007F55, 0xff007FAA, 0xff007FFF,
48     0xff009F00, 0xff009F55, 0xff009FAA, 0xff009FFF, 0xff00BF00, 0xff00BF55,
49     0xff00BFAA, 0xff00BFFF, 0xff00DF00, 0xff00DF55, 0xff00DFAA, 0xff00DFFF,
50     0xff00FF55, 0xff00FFAA, 0xff2A0000, 0xff2A0055, 0xff2A00AA, 0xff2A00FF,
51     0xff2A1F00, 0xff2A1F55, 0xff2A1FAA, 0xff2A1FFF, 0xff2A3F00, 0xff2A3F55,
52     0xffFFFBF0, 0xffA0A0A4, 0xff808080, 0xffFF0000, 0xff00FF00, 0xffFF0000,
53     0xff0000FF, 0xffFF00FF, 0xff00FFFF, 0xffFFFFFF
54 };
55 const FX_DWORD g_dwMacPalette[256] = {
56     0xffFFFFFF, 0xffFFFFCC, 0xffFFFF99, 0xffFFFF66, 0xffFFFF33, 0xffFFFF00,
57     0xffFFCCFF, 0xffFFCCCC, 0xffFFCC99, 0xffFFCC66, 0xffFFCC33, 0xffFFCC00,
58     0xffFF99FF, 0xffFF99CC, 0xffFF9999, 0xffFF9966, 0xffFF9933, 0xffFF9900,
59     0xffFF66FF, 0xffFF66CC, 0xffFF6699, 0xffFF6666, 0xffFF6633, 0xffFF6600,
60     0xffFF33FF, 0xffFF33CC, 0xffFF3399, 0xffFF3366, 0xffFF3333, 0xffFF3300,
61     0xffFF00FF, 0xffFF00CC, 0xffFF0099, 0xffFF0066, 0xffFF0033, 0xffFF0000,
62     0xffCCFFFF, 0xffCCFFCC, 0xffCCFF99, 0xffCCFF66, 0xffCCFF33, 0xffCCFF00,
63     0xffCCCCFF, 0xffCCCCCC, 0xffCCCC99, 0xffCCCC66, 0xffCCCC33, 0xffCCCC00,
64     0xffCC99FF, 0xffCC99CC, 0xffCC9999, 0xffCC9966, 0xffCC9933, 0xffCC9900,
65     0xffCC66FF, 0xffCC66CC, 0xffCC6699, 0xffCC6666, 0xffCC6633, 0xffCC6600,
66     0xffCC33FF, 0xffCC33CC, 0xffCC3399, 0xffCC3366, 0xffCC3333, 0xffCC3300,
67     0xffCC00FF, 0xffCC00CC, 0xffCC0099, 0xffCC0066, 0xffCC0033, 0xffCC0000,
68     0xff99FFFF, 0xff99FFCC, 0xff99FF99, 0xff99FF66, 0xff99FF33, 0xff99FF00,
69     0xff99CCFF, 0xff99CCCC, 0xff99CC99, 0xff99CC66, 0xff99CC33, 0xff99CC00,
70     0xff9999FF, 0xff9999CC, 0xff999999, 0xff999966, 0xff999933, 0xff999900,
71     0xff9966FF, 0xff9966CC, 0xff996699, 0xff996666, 0xff996633, 0xff996600,
72     0xff9933FF, 0xff9933CC, 0xff993399, 0xff993366, 0xff993333, 0xff993300,
73     0xff9900FF, 0xff9900CC, 0xff990099, 0xff990066, 0xff990033, 0xff990000,
74     0xff66FFFF, 0xff66FFCC, 0xff66FF99, 0xff66FF66, 0xff66FF33, 0xff66FF00,
75     0xff66CCFF, 0xff66CCCC, 0xff66CC99, 0xff66CC66, 0xff66CC33, 0xff66CC00,
76     0xff6699FF, 0xff6699CC, 0xff669999, 0xff669966, 0xff669933, 0xff669900,
77     0xff6666FF, 0xff6666CC, 0xff666699, 0xff666666, 0xff666633, 0xff666600,
78     0xff6633FF, 0xff6633CC, 0xff663399, 0xff663366, 0xff663333, 0xff663300,
79     0xff6600FF, 0xff6600CC, 0xff660099, 0xff660066, 0xff660033, 0xff660000,
80     0xff33FFFF, 0xff33FFCC, 0xff33FF99, 0xff33FF66, 0xff33FF33, 0xff33FF00,
81     0xff33CCFF, 0xff33CCCC, 0xff33CC99, 0xff33CC66, 0xff33CC33, 0xff33CC00,
82     0xff3399FF, 0xff3399CC, 0xff339999, 0xff339966, 0xff339933, 0xff339900,
83     0xff3366FF, 0xff3366CC, 0xff336699, 0xff336666, 0xff336633, 0xff336600,
84     0xff3333FF, 0xff3333CC, 0xff333399, 0xff333366, 0xff333333, 0xff333300,
85     0xff3300FF, 0xff3300CC, 0xff330099, 0xff330066, 0xff330033, 0xff330000,
86     0xff00FFFF, 0xff00FFCC, 0xff00FF99, 0xff00FF66, 0xff00FF33, 0xff00FF00,
87     0xff00CCFF, 0xff00CCCC, 0xff00CC99, 0xff00CC66, 0xff00CC33, 0xff00CC00,
88     0xff0099FF, 0xff0099CC, 0xff009999, 0xff009966, 0xff009933, 0xff009900,
89     0xff0066FF, 0xff0066CC, 0xff006699, 0xff006666, 0xff006633, 0xff006600,
90     0xff0033FF, 0xff0033CC, 0xff003399, 0xff003366, 0xff003333, 0xff003300,
91     0xff0000FF, 0xff0000CC, 0xff000099, 0xff000066, 0xff000033,
92     0xffEE0000, 0xffDD0000, 0xffBB0000, 0xffAA0000, 0xff880000, 0xff770000,
93     0xff550000, 0xff440000, 0xff220000, 0xff110000, 0xff00EE00, 0xff00DD00,
94     0xff00BB00, 0xff00AA00, 0xff008800, 0xff007700, 0xff005500, 0xff004400,
95     0xff002200, 0xff001100, 0xff0000EE, 0xff0000DD, 0xff0000BB, 0xff0000AA,
96     0xff000088, 0xff000077, 0xff000055, 0xff000044, 0xff000022, 0xff000011,
97     0xffEEEEEE, 0xffDDDDDD, 0xffBBBBBB, 0xffAAAAAA, 0xff888888, 0xff777777,
98     0xff555555, 0xff444444, 0xff222222, 0xff111111, 0xff000000
99 };
100 class CFX_Palette : public CFX_Object
101 {
102 public:
103     CFX_Palette();
104     ~CFX_Palette();
105 public:
106     FX_BOOL      BuildPalette(const CFX_DIBSource* pBitmap, int dwPaletteType);
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     if (!m_pPalette) {
240         return FALSE;
241     }
242     FXSYS_memset32(m_pPalette, 0, sizeof(FX_DWORD) * 256);
243     int bpp    = pBitmap->GetBPP() / 8;
244     int width  = pBitmap->GetWidth();
245     int height = pBitmap->GetHeight();
246     if (m_cLut) {
247         FX_Free(m_cLut);
248         m_cLut = NULL;
249     }
250     if (m_aLut) {
251         FX_Free(m_aLut);
252         m_aLut = NULL;
253     }
254     m_cLut = FX_Alloc(FX_DWORD, 4096);
255     if (!m_cLut) {
256         return FALSE;
257     }
258     m_aLut = FX_Alloc(FX_DWORD, 4096);
259     if (!m_aLut) {
260         return FALSE;
261     }
262     FXSYS_memset32(m_aLut, 0, sizeof(FX_DWORD) * 4096);
263     FXSYS_memset32(m_cLut, 0, sizeof(FX_DWORD) * 4096);
264     int row, col;
265     m_lut = 0;
266     for (row = 0; row < height; row++) {
267         FX_BYTE* scan_line = (FX_BYTE*)pBitmap->GetScanline(row);
268         for (col = 0; col < width; col++) {
269             FX_BYTE* src_port = scan_line + col * bpp;
270             FX_DWORD b = src_port[0] & 0xf0;
271             FX_DWORD g = src_port[1] & 0xf0;
272             FX_DWORD r = src_port[2] & 0xf0;
273             FX_DWORD index = (r << 4) + g + (b >> 4);
274             m_aLut[index]++;
275         }
276     }
277     for (row = 0; row < 4096; row++) {
278         if (m_aLut[row] != 0) {
279             m_aLut[m_lut] = m_aLut[row];
280             m_cLut[m_lut] = row;
281             m_lut++;
282         }
283     }
284     _Qsort(m_aLut, m_cLut, 0, m_lut - 1);
285     FX_DWORD* win_mac_pal = NULL;
286     if (pal_type == FXDIB_PALETTE_WIN) {
287         win_mac_pal = (FX_DWORD*)g_dwWinPalette;
288     } else if (pal_type == FXDIB_PALETTE_MAC) {
289         win_mac_pal = (FX_DWORD*)g_dwMacPalette;
290     }
291     _Obtain_Pal(m_aLut, m_cLut, m_pPalette, pal_type, win_mac_pal, m_lut);
292     return TRUE;
293 }
_ConvertBuffer_1bppMask2Gray(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top)294 FX_BOOL _ConvertBuffer_1bppMask2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
295                                      const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
296 {
297     FX_BYTE set_gray, reset_gray;
298     set_gray = 0xff;
299     reset_gray = 0x00;
300     for (int row = 0; row < height; row ++) {
301         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
302         FXSYS_memset8(dest_scan, reset_gray, width);
303         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
304         for (int col = src_left; col < src_left + width; col ++) {
305             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
306                 *dest_scan = set_gray;
307             }
308             dest_scan ++;
309         }
310     }
311     return TRUE;
312 }
_ConvertBuffer_8bppMask2Gray(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top)313 FX_BOOL _ConvertBuffer_8bppMask2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
314                                      const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
315 {
316     for (int row = 0; row < height; row ++) {
317         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
318         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
319         FXSYS_memcpy32(dest_scan, src_scan, width);
320     }
321     return TRUE;
322 }
_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)323 FX_BOOL _ConvertBuffer_1bppPlt2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
324                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
325 {
326     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
327     FX_BYTE gray[2];
328     if (pIccTransform) {
329         FX_DWORD plt[2];
330         if (pSrcBitmap->IsCmykImage()) {
331             plt[0] = FXCMYK_TODIB(src_plt[0]);
332             plt[1] = FXCMYK_TODIB(src_plt[1]);
333         } else {
334             FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
335             bgr_ptr[0] = FXARGB_B(src_plt[0]);
336             bgr_ptr[1] = FXARGB_G(src_plt[0]);
337             bgr_ptr[2] = FXARGB_R(src_plt[0]);
338             bgr_ptr[3] = FXARGB_B(src_plt[1]);
339             bgr_ptr[4] = FXARGB_G(src_plt[1]);
340             bgr_ptr[5] = FXARGB_R(src_plt[1]);
341         }
342         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
343         pIccModule->TranslateScanline(pIccTransform, gray, (FX_LPCBYTE)plt, 2);
344     } else {
345         FX_BYTE reset_r, reset_g, reset_b,
346                 set_r, set_g, set_b;
347         if (pSrcBitmap->IsCmykImage()) {
348             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[0]), FXSYS_GetMValue(src_plt[0]), FXSYS_GetYValue(src_plt[0]), FXSYS_GetKValue(src_plt[0]),
349                                reset_r, reset_g, reset_b);
350             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[1]), FXSYS_GetMValue(src_plt[1]), FXSYS_GetYValue(src_plt[1]), FXSYS_GetKValue(src_plt[1]),
351                                set_r, set_g, set_b);
352         } else {
353             reset_r = FXARGB_R(src_plt[0]);
354             reset_g = FXARGB_G(src_plt[0]);
355             reset_b = FXARGB_B(src_plt[0]);
356             set_r = FXARGB_R(src_plt[1]);
357             set_g = FXARGB_G(src_plt[1]);
358             set_b = FXARGB_B(src_plt[1]);
359         }
360         gray[0] = FXRGB2GRAY(reset_r, reset_g, reset_b);
361         gray[1] = FXRGB2GRAY(set_r, set_g, set_b);
362     }
363     for (int row = 0; row < height; row ++) {
364         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
365         FXSYS_memset8(dest_scan, gray[0], width);
366         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
367         for (int col = src_left; col < src_left + width; col ++) {
368             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
369                 *dest_scan = gray[1];
370             }
371             dest_scan ++;
372         }
373     }
374     return TRUE;
375 }
_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)376 FX_BOOL _ConvertBuffer_8bppPlt2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
377                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
378 {
379     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
380     FX_BYTE gray[256];
381     if (pIccTransform) {
382         FX_DWORD plt[256];
383         if (pSrcBitmap->IsCmykImage()) {
384             for (int i = 0; i < 256; i ++) {
385                 plt[i] = FXCMYK_TODIB(src_plt[i]);
386             }
387         } else {
388             FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
389             for (int i = 0; i < 256; i ++) {
390                 *bgr_ptr++ = FXARGB_B(src_plt[i]);
391                 *bgr_ptr++ = FXARGB_G(src_plt[i]);
392                 *bgr_ptr++ = FXARGB_R(src_plt[i]);
393             }
394         }
395         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
396         pIccModule->TranslateScanline(pIccTransform, gray, (FX_LPCBYTE)plt, 256);
397     } else {
398         if (pSrcBitmap->IsCmykImage()) {
399             FX_BYTE r, g, b;
400             for (int i = 0; i < 256; i ++) {
401                 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]),
402                                    r, g, b);
403                 gray[i] = FXRGB2GRAY(r, g, b);
404             }
405         } else
406             for (int i = 0; i < 256; i ++) {
407                 gray[i] = FXRGB2GRAY(FXARGB_R(src_plt[i]), FXARGB_G(src_plt[i]), FXARGB_B(src_plt[i]));
408             }
409     }
410     for (int row = 0; row < height; row ++) {
411         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
412         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
413         for (int col = 0; col < width; col ++) {
414             *dest_scan++ = gray[*src_scan++];
415         }
416     }
417     return TRUE;
418 }
_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)419 FX_BOOL _ConvertBuffer_RgbOrCmyk2Gray(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
420                                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
421 {
422     int Bpp = pSrcBitmap->GetBPP() / 8;
423     if (pIccTransform) {
424         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
425         if (Bpp == 3 || pSrcBitmap->IsCmykImage()) {
426             for (int row = 0; row < height; row ++) {
427                 FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
428                 FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp;
429                 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, width);
430             }
431         } else {
432             for (int row = 0; row < height; row ++) {
433                 FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
434                 FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
435                 for (int col = 0; col < width; col ++) {
436                     pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1);
437                     dest_scan++;
438                     src_scan += 4;
439                 }
440             }
441         }
442     } else {
443         if (pSrcBitmap->IsCmykImage()) {
444             for (int row = 0; row < height; row ++) {
445                 FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
446                 FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
447                 for (int col = 0; col < width; col ++) {
448                     FX_BYTE r, g, b;
449                     AdobeCMYK_to_sRGB1(FXSYS_GetCValue((FX_DWORD)src_scan[0]), FXSYS_GetMValue((FX_DWORD)src_scan[1]), FXSYS_GetYValue((FX_DWORD)src_scan[2]), FXSYS_GetKValue((FX_DWORD)src_scan[3]),
450                                        r, g, b);
451                     *dest_scan++ = FXRGB2GRAY(r, g, b);
452                     src_scan += 4;
453                 }
454             }
455         } else
456             for (int row = 0; row < height; row ++) {
457                 FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
458                 FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp;
459                 for (int col = 0; col < width; col ++) {
460                     *dest_scan++ = FXRGB2GRAY(src_scan[2], src_scan[1], src_scan[0]);
461                     src_scan += Bpp;
462                 }
463             }
464     }
465     return TRUE;
466 }
_ConvertBuffer_IndexCopy(FX_LPBYTE dest_buf,int dest_pitch,int width,int height,const CFX_DIBSource * pSrcBitmap,int src_left,int src_top)467 inline void _ConvertBuffer_IndexCopy(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
468                                      const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
469 {
470     if (pSrcBitmap->GetBPP() == 1) {
471         for (int row = 0; row < height; row ++) {
472             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
473             FXSYS_memset32(dest_scan, 0, width);
474             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
475             for (int col = src_left; col < src_left + width; col ++) {
476                 if (src_scan[col / 8] & (1 << (7 - col % 8))) {
477                     *dest_scan = 1;
478                 }
479                 dest_scan ++;
480             }
481         }
482     } else {
483         for (int row = 0; row < height; row ++) {
484             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
485             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
486             FXSYS_memcpy32(dest_scan, src_scan, width);
487         }
488     }
489 }
_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)490 FX_BOOL _ConvertBuffer_Plt2PltRgb8(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
491                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt, void* pIccTransform)
492 {
493     _ConvertBuffer_IndexCopy(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
494     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
495     int plt_size = pSrcBitmap->GetPaletteSize();
496     if (pIccTransform) {
497         FX_DWORD plt[256];
498         FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
499         if (pSrcBitmap->IsCmykImage()) {
500             for (int i = 0; i < plt_size; i ++) {
501                 plt[i] = FXCMYK_TODIB(src_plt[i]);
502             }
503         } else {
504             for (int i = 0; i < plt_size; i ++) {
505                 *bgr_ptr++ = FXARGB_B(src_plt[i]);
506                 *bgr_ptr++ = FXARGB_G(src_plt[i]);
507                 *bgr_ptr++ = FXARGB_R(src_plt[i]);
508             }
509             bgr_ptr = (FX_LPBYTE)plt;
510         }
511         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
512         pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, plt_size);
513         for (int i = 0; i < plt_size; i ++) {
514             dst_plt[i] = FXARGB_MAKE(0xff, bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]);
515             bgr_ptr += 3;
516         }
517     } else {
518         if (pSrcBitmap->IsCmykImage()) {
519             for (int i = 0; i < plt_size; i ++) {
520                 FX_BYTE r, g, b;
521                 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]),
522                                    r, g, b);
523                 dst_plt[i] = FXARGB_MAKE(0xff, r, g, b);
524             }
525         } else {
526             FXSYS_memcpy32(dst_plt, src_plt, plt_size * 4);
527         }
528     }
529     return TRUE;
530 }
_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)531 inline FX_BOOL _ConvertBuffer_Rgb2PltRgb8_NoTransform(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
532         const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt)
533 {
534     int bpp = pSrcBitmap->GetBPP() / 8;
535     int row, col;
536     CFX_Palette palette;
537     palette.BuildPalette(pSrcBitmap, FXDIB_PALETTE_LOC);
538     FX_DWORD* cLut = palette.GetColorLut();
539     FX_DWORD* aLut = palette.GetAmountLut();
540     if (cLut == NULL || aLut == NULL) {
541         return FALSE;
542     }
543     int lut = palette.Getlut();
544     FX_DWORD* pPalette = palette.GetPalette();
545     if (lut > 256) {
546         int err, min_err;
547         int lut_256 = lut - 256;
548         for (row = 0; row < lut_256; row++) {
549             min_err = 1000000;
550             FX_BYTE r, g, b;
551             _ColorDecode(cLut[row], r, g, b);
552             int clrindex = 0;
553             for (int col = 0; col < 256; col++) {
554                 FX_DWORD p_color = *(pPalette + col);
555                 int d_r = r - (FX_BYTE)(p_color >> 16);
556                 int d_g = g - (FX_BYTE)(p_color >> 8);
557                 int d_b = b - (FX_BYTE)(p_color);
558                 err = d_r * d_r + d_g * d_g + d_b * d_b;
559                 if (err < min_err) {
560                     min_err = err;
561                     clrindex = col;
562                 }
563             }
564             aLut[row] = clrindex;
565         }
566     }
567     FX_INT32 lut_1 = lut - 1;
568     for (row = 0; row < height; row ++) {
569         FX_BYTE* src_scan = (FX_BYTE*)pSrcBitmap->GetScanline(src_top + row) + src_left;
570         FX_BYTE* dest_scan = dest_buf + row * dest_pitch;
571         for (col = 0; col < width; col++) {
572             FX_BYTE* src_port = src_scan + col * bpp;
573             int r = src_port[2] & 0xf0;
574             int g = src_port[1] & 0xf0;
575             int b = src_port[0] & 0xf0;
576             FX_DWORD clrindex = (r << 4) + g + (b >> 4);
577             for (int i = lut_1; i >= 0; i--)
578                 if (clrindex == cLut[i]) {
579                     *(dest_scan + col) = (FX_BYTE)(aLut[i]);
580                     break;
581                 }
582         }
583     }
584     FXSYS_memcpy32(dst_plt, pPalette, sizeof(FX_DWORD) * 256);
585     return TRUE;
586 }
_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)587 FX_BOOL _ConvertBuffer_Rgb2PltRgb8(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
588                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD* dst_plt, void* pIccTransform)
589 {
590     ICodec_IccModule* pIccModule = NULL;
591     if (pIccTransform) {
592         pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
593     }
594     FX_BOOL ret = _ConvertBuffer_Rgb2PltRgb8_NoTransform(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, dst_plt);
595     if (ret && pIccTransform) {
596         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
597         for (int i = 0; i < 256; i++) {
598             FX_ARGB* plt = dst_plt + i;
599             FX_ARGB plt_entry = FXARGB_TODIB(*plt);
600             pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)&plt_entry, (FX_LPCBYTE)&plt_entry, 1);
601             *plt = FXARGB_TODIB(plt_entry);
602         }
603     }
604     return ret;
605 }
_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)606 FX_BOOL _ConvertBuffer_1bppMask2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
607                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
608 {
609     int comps = (dst_format & 0xff) / 8;
610     FX_BYTE set_gray, reset_gray;
611     set_gray = 0xff;
612     reset_gray = 0x00;
613     for (int row = 0; row < height; row ++) {
614         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
615         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
616         for (int col = src_left; col < src_left + width; col ++) {
617             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
618                 dest_scan[0] = set_gray;
619                 dest_scan[1] = set_gray;
620                 dest_scan[2] = set_gray;
621             } else {
622                 dest_scan[0] = reset_gray;
623                 dest_scan[1] = reset_gray;
624                 dest_scan[2] = reset_gray;
625             }
626             dest_scan += comps;
627         }
628     }
629     return TRUE;
630 }
_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)631 FX_BOOL _ConvertBuffer_8bppMask2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
632                                     const CFX_DIBSource* pSrcBitmap, int src_left, int src_top)
633 {
634     int comps = (dst_format & 0xff) / 8;
635     for (int row = 0; row < height; row ++) {
636         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
637         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
638         FX_BYTE src_pixel;
639         for (int col = 0; col < width; col ++) {
640             src_pixel = *src_scan++;
641             *dest_scan++ = src_pixel;
642             *dest_scan++ = src_pixel;
643             *dest_scan   = src_pixel;
644             dest_scan += comps - 2;
645         }
646     }
647     return TRUE;
648 }
_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)649 FX_BOOL _ConvertBuffer_1bppPlt2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
650                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
651 {
652     int comps = (dst_format & 0xff) / 8;
653     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
654     FX_DWORD plt[2];
655     FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
656     if (pSrcBitmap->IsCmykImage()) {
657         plt[0] = FXCMYK_TODIB(src_plt[0]);
658         plt[1] = FXCMYK_TODIB(src_plt[1]);
659     } else {
660         bgr_ptr[0] = FXARGB_B(src_plt[0]);
661         bgr_ptr[1] = FXARGB_G(src_plt[0]);
662         bgr_ptr[2] = FXARGB_R(src_plt[0]);
663         bgr_ptr[3] = FXARGB_B(src_plt[1]);
664         bgr_ptr[4] = FXARGB_G(src_plt[1]);
665         bgr_ptr[5] = FXARGB_R(src_plt[1]);
666     }
667     if (pIccTransform) {
668         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
669         pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, 2);
670     } else {
671         if (pSrcBitmap->IsCmykImage()) {
672             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[0]), FXSYS_GetMValue(src_plt[0]), FXSYS_GetYValue(src_plt[0]), FXSYS_GetKValue(src_plt[0]),
673                                bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]);
674             AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[1]), FXSYS_GetMValue(src_plt[1]), FXSYS_GetYValue(src_plt[1]), FXSYS_GetKValue(src_plt[1]),
675                                bgr_ptr[5], bgr_ptr[4], bgr_ptr[3]);
676         }
677     }
678     for (int row = 0; row < height; row ++) {
679         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
680         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row);
681         for (int col = src_left; col < src_left + width; col ++) {
682             if (src_scan[col / 8] & (1 << (7 - col % 8))) {
683                 *dest_scan++ = bgr_ptr[3];
684                 *dest_scan++ = bgr_ptr[4];
685                 *dest_scan   = bgr_ptr[5];
686             } else {
687                 *dest_scan++ = bgr_ptr[0];
688                 *dest_scan++ = bgr_ptr[1];
689                 *dest_scan   = bgr_ptr[2];
690             }
691             dest_scan += comps - 2;
692         }
693     }
694     return TRUE;
695 }
_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)696 FX_BOOL _ConvertBuffer_8bppPlt2Rgb(FXDIB_Format dst_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
697                                    const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
698 {
699     int comps = (dst_format & 0xff) / 8;
700     FX_DWORD* src_plt = pSrcBitmap->GetPalette();
701     FX_DWORD plt[256];
702     FX_LPBYTE bgr_ptr = (FX_LPBYTE)plt;
703     if (!pSrcBitmap->IsCmykImage()) {
704         for (int i = 0; i < 256; i++) {
705             *bgr_ptr++ = FXARGB_B(src_plt[i]);
706             *bgr_ptr++ = FXARGB_G(src_plt[i]);
707             *bgr_ptr++ = FXARGB_R(src_plt[i]);
708         }
709         bgr_ptr = (FX_LPBYTE)plt;
710     }
711     if (pIccTransform) {
712         if (pSrcBitmap->IsCmykImage()) {
713             for (int i = 0; i < 256; i++) {
714                 plt[i] = FXCMYK_TODIB(src_plt[i]);
715             }
716         }
717         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
718         pIccModule->TranslateScanline(pIccTransform, (FX_LPBYTE)plt, (FX_LPCBYTE)plt, 256);
719     } else {
720         if (pSrcBitmap->IsCmykImage()) {
721             for (int i = 0; i < 256; i++) {
722                 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]), FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]),
723                                    bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]);
724                 bgr_ptr += 3;
725             }
726             bgr_ptr = (FX_LPBYTE)plt;
727         }
728     }
729     for (int row = 0; row < height; row ++) {
730         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
731         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
732         for (int col = 0; col < width; col ++) {
733             FX_LPBYTE src_pixel = bgr_ptr + 3 * (*src_scan++);
734             *dest_scan++ = *src_pixel++;
735             *dest_scan++ = *src_pixel++;
736             *dest_scan   = *src_pixel++;
737             dest_scan += comps - 2;
738         }
739     }
740     return TRUE;
741 }
_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)742 FX_BOOL _ConvertBuffer_24bppRgb2Rgb24(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
743                                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
744 {
745     if (pIccTransform) {
746         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
747         for (int row = 0; row < height; row ++) {
748             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
749             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 3;
750             pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, width);
751         }
752     } else {
753         for (int row = 0; row < height; row ++) {
754             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
755             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 3;
756             FXSYS_memcpy32(dest_scan, src_scan, width * 3);
757         }
758     }
759     return TRUE;
760 }
_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)761 FX_BOOL _ConvertBuffer_32bppRgb2Rgb24(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
762                                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
763 {
764     for (int row = 0; row < height; row ++) {
765         FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
766         FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
767         for (int col = 0; col < width; col ++) {
768             *dest_scan++ = *src_scan++;
769             *dest_scan++ = *src_scan++;
770             *dest_scan++ = *src_scan++;
771             src_scan++;
772         }
773     }
774     if (pIccTransform) {
775         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
776         for (int row = 0; row < height; row ++) {
777             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
778             pIccModule->TranslateScanline(pIccTransform, dest_scan, dest_scan, width);
779         }
780     }
781     return TRUE;
782 }
_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)783 FX_BOOL _ConvertBuffer_Rgb2Rgb32(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
784                                  const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
785 {
786     int comps = pSrcBitmap->GetBPP() / 8;
787     if (pIccTransform) {
788         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
789         for (int row = 0; row < height; row ++) {
790             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
791             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * comps;
792             for (int col = 0; col < width; col ++) {
793                 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1);
794                 dest_scan += 4;
795                 src_scan += comps;
796             }
797         }
798     } else {
799         for (int row = 0; row < height; row ++) {
800             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
801             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * comps;
802             for (int col = 0; col < width; col ++) {
803                 *dest_scan++ = *src_scan++;
804                 *dest_scan++ = *src_scan++;
805                 *dest_scan++ = *src_scan++;
806                 dest_scan++;
807                 src_scan += comps - 3;
808             }
809         }
810     }
811     return TRUE;
812 }
_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)813 FX_BOOL _ConvertBuffer_32bppCmyk2Rgb32(FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
814                                        const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, void* pIccTransform)
815 {
816     if (pIccTransform) {
817         ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
818         for (int row = 0; row < height; row ++) {
819             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
820             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
821             for (int col = 0; col < width; col ++) {
822                 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1);
823                 dest_scan += 4;
824                 src_scan += 4;
825             }
826         }
827     } else {
828         for (int row = 0; row < height; row ++) {
829             FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
830             FX_LPCBYTE src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
831             for (int col = 0; col < width; col ++) {
832                 AdobeCMYK_to_sRGB1(src_scan[0], src_scan[1], src_scan[2], src_scan[3],
833                                    dest_scan[2], dest_scan[1], dest_scan[0]);
834                 dest_scan += 4;
835                 src_scan += 4;
836             }
837         }
838     }
839     return TRUE;
840 }
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)841 FX_BOOL ConvertBuffer(FXDIB_Format dest_format, FX_LPBYTE dest_buf, int dest_pitch, int width, int height,
842                       const CFX_DIBSource* pSrcBitmap, int src_left, int src_top, FX_DWORD*& d_pal, void* pIccTransform)
843 {
844     FXDIB_Format src_format = pSrcBitmap->GetFormat();
845     if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
846         pIccTransform = NULL;
847     }
848     switch (dest_format) {
849         case FXDIB_Invalid:
850         case FXDIB_1bppCmyk:
851         case FXDIB_1bppMask:
852         case FXDIB_1bppRgb:
853             ASSERT(FALSE);
854             return FALSE;
855         case FXDIB_8bppMask: {
856                 if ((src_format & 0xff) == 1) {
857                     if (pSrcBitmap->GetPalette()) {
858                         return _ConvertBuffer_1bppPlt2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
859                     }
860                     return _ConvertBuffer_1bppMask2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
861                 } else if ((src_format & 0xff) == 8) {
862                     if (pSrcBitmap->GetPalette()) {
863                         return _ConvertBuffer_8bppPlt2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
864                     }
865                     return _ConvertBuffer_8bppMask2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
866                 } else if ((src_format & 0xff) >= 24) {
867                     return _ConvertBuffer_RgbOrCmyk2Gray(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
868                 }
869                 return FALSE;
870             }
871         case FXDIB_8bppRgb:
872         case FXDIB_8bppRgba: {
873                 if ((src_format & 0xff) == 8 && pSrcBitmap->GetPalette() == NULL) {
874                     return ConvertBuffer(FXDIB_8bppMask, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform);
875                 }
876                 d_pal = FX_Alloc(FX_DWORD, 256);
877                 if (!d_pal) {
878                     return FALSE;
879                 }
880                 FXSYS_memset32(d_pal, 0, sizeof(FX_DWORD) * 256);
881                 if (((src_format & 0xff) == 1 || (src_format & 0xff) == 8) && pSrcBitmap->GetPalette()) {
882                     return _ConvertBuffer_Plt2PltRgb8(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform);
883                 } else if ((src_format & 0xff) >= 24) {
884                     return _ConvertBuffer_Rgb2PltRgb8(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, d_pal, pIccTransform);
885                 }
886                 return FALSE;
887             }
888         case FXDIB_Rgb:
889         case FXDIB_Rgba: {
890                 if ((src_format & 0xff) == 1) {
891                     if (pSrcBitmap->GetPalette()) {
892                         return _ConvertBuffer_1bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
893                     }
894                     return _ConvertBuffer_1bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
895                 } else if ((src_format & 0xff) == 8) {
896                     if (pSrcBitmap->GetPalette()) {
897                         return _ConvertBuffer_8bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
898                     }
899                     return _ConvertBuffer_8bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
900                 } else if ((src_format & 0xff) == 24) {
901                     return _ConvertBuffer_24bppRgb2Rgb24(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
902                 } else if ((src_format & 0xff) == 32) {
903                     return _ConvertBuffer_32bppRgb2Rgb24(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
904                 }
905                 return FALSE;
906             }
907         case FXDIB_Argb:
908         case FXDIB_Rgb32: {
909                 if ((src_format & 0xff) == 1) {
910                     if (pSrcBitmap->GetPalette()) {
911                         return _ConvertBuffer_1bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
912                     }
913                     return _ConvertBuffer_1bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
914                 } else if ((src_format & 0xff) == 8) {
915                     if (pSrcBitmap->GetPalette()) {
916                         return _ConvertBuffer_8bppPlt2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
917                     }
918                     return _ConvertBuffer_8bppMask2Rgb(dest_format, dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top);
919                 } else if ((src_format & 0xff) >= 24) {
920                     if (src_format & 0x0400) {
921                         return _ConvertBuffer_32bppCmyk2Rgb32(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
922                     }
923                     return _ConvertBuffer_Rgb2Rgb32(dest_buf, dest_pitch, width, height, pSrcBitmap, src_left, src_top, pIccTransform);
924                 }
925                 return FALSE;
926             }
927         default:
928             return FALSE;
929     }
930     return FALSE;
931 }
CloneConvert(FXDIB_Format dest_format,const FX_RECT * pClip,void * pIccTransform) const932 CFX_DIBitmap* CFX_DIBSource::CloneConvert(FXDIB_Format dest_format, const FX_RECT* pClip, void* pIccTransform) const
933 {
934     if(dest_format == GetFormat() && pIccTransform == NULL) {
935         return Clone(pClip);
936     }
937     if (pClip) {
938         CFX_DIBitmap* pClone = Clone(pClip);
939         if (pClone == NULL) {
940             return NULL;
941         }
942         if(!pClone->ConvertFormat(dest_format, pIccTransform)) {
943             delete pClone;
944             return NULL;
945         }
946         return pClone;
947     }
948     CFX_DIBitmap* pClone = FX_NEW CFX_DIBitmap;
949     if (!pClone) {
950         return NULL;
951     }
952     if(!pClone->Create(m_Width, m_Height, dest_format)) {
953         delete pClone;
954         return NULL;
955     }
956     FX_BOOL ret = TRUE;
957     CFX_DIBitmap* pSrcAlpha = NULL;
958     if (m_AlphaFlag & 2) {
959         pSrcAlpha = (GetFormat() == FXDIB_Argb) ? GetAlphaMask() : m_pAlphaMask;
960         if (pSrcAlpha == NULL) {
961             delete pClone;
962             return NULL;
963         }
964     }
965     if (dest_format & 0x0200) {
966         if (dest_format == FXDIB_Argb)
967             ret = pSrcAlpha ?
968                   pClone->LoadChannel(FXDIB_Alpha, pSrcAlpha, FXDIB_Alpha) :
969                   pClone->LoadChannel(FXDIB_Alpha, 0xff);
970         else {
971             ret = pClone->CopyAlphaMask(pSrcAlpha);
972         }
973     }
974     if (pSrcAlpha && pSrcAlpha != m_pAlphaMask) {
975         delete pSrcAlpha;
976         pSrcAlpha = NULL;
977     }
978     if (!ret) {
979         delete pClone;
980         return NULL;
981     }
982     FX_DWORD* pal_8bpp = NULL;
983     ret = ConvertBuffer(dest_format, pClone->GetBuffer(), pClone->GetPitch(), m_Width, m_Height, this, 0, 0, pal_8bpp, pIccTransform);
984     if (!ret) {
985         if (pal_8bpp) {
986             FX_Free(pal_8bpp);
987         }
988         delete pClone;
989         return NULL;
990     }
991     if (pal_8bpp) {
992         pClone->CopyPalette(pal_8bpp);
993         FX_Free(pal_8bpp);
994         pal_8bpp = NULL;
995     }
996     return pClone;
997 }
ConvertFormat(FXDIB_Format dest_format,void * pIccTransform)998 FX_BOOL CFX_DIBitmap::ConvertFormat(FXDIB_Format dest_format, void* pIccTransform)
999 {
1000     FXDIB_Format src_format = GetFormat();
1001     if (dest_format == src_format && pIccTransform == NULL) {
1002         return TRUE;
1003     }
1004     if (dest_format == FXDIB_8bppMask && src_format == FXDIB_8bppRgb && m_pPalette == NULL) {
1005         m_AlphaFlag = 1;
1006         return TRUE;
1007     }
1008     if (dest_format == FXDIB_Argb && src_format == FXDIB_Rgb32 && pIccTransform == NULL) {
1009         m_AlphaFlag = 2;
1010         for (int row = 0; row < m_Height; row ++) {
1011             FX_LPBYTE scanline = m_pBuffer + row * m_Pitch + 3;
1012             for (int col = 0; col < m_Width; col ++) {
1013                 *scanline = 0xff;
1014                 scanline += 4;
1015             }
1016         }
1017         return TRUE;
1018     }
1019     int dest_bpp = dest_format & 0xff;
1020     int dest_pitch = (dest_bpp * m_Width + 31) / 32 * 4;
1021     FX_LPBYTE dest_buf = FX_AllocNL(FX_BYTE, dest_pitch * m_Height + 4);
1022     if (dest_buf == NULL) {
1023         return FALSE;
1024     }
1025     CFX_DIBitmap* pAlphaMask = NULL;
1026     if (dest_format == FXDIB_Argb) {
1027         FXSYS_memset8(dest_buf, 0xff, dest_pitch * m_Height + 4);
1028         if (m_pAlphaMask) {
1029             for (int row = 0; row < m_Height; row ++) {
1030                 FX_LPBYTE pDstScanline = dest_buf + row * dest_pitch + 3;
1031                 FX_LPCBYTE pSrcScanline = m_pAlphaMask->GetScanline(row);
1032                 for (int col = 0; col < m_Width; col ++) {
1033                     *pDstScanline = *pSrcScanline++;
1034                     pDstScanline += 4;
1035                 }
1036             }
1037         }
1038     } else if (dest_format & 0x0200) {
1039         if (src_format == FXDIB_Argb) {
1040             pAlphaMask = GetAlphaMask();
1041             if (pAlphaMask == NULL) {
1042                 FX_Free(dest_buf);
1043                 return FALSE;
1044             }
1045         } else {
1046             if (m_pAlphaMask == NULL) {
1047                 if (!BuildAlphaMask()) {
1048                     FX_Free(dest_buf);
1049                     return FALSE;
1050                 }
1051                 pAlphaMask = m_pAlphaMask;
1052                 m_pAlphaMask = NULL;
1053             } else {
1054                 pAlphaMask = m_pAlphaMask;
1055             }
1056         }
1057     }
1058     FX_BOOL ret = FALSE;
1059     FX_DWORD* pal_8bpp = NULL;
1060     ret = ConvertBuffer(dest_format, dest_buf, dest_pitch, m_Width, m_Height, this, 0, 0, pal_8bpp, pIccTransform);
1061     if (!ret) {
1062         if (pal_8bpp) {
1063             FX_Free(pal_8bpp);
1064         }
1065         if (pAlphaMask != m_pAlphaMask) {
1066             delete pAlphaMask;
1067         }
1068         if (dest_buf) {
1069             FX_Free(dest_buf);
1070         }
1071         return FALSE;
1072     }
1073     if (m_pAlphaMask && pAlphaMask != m_pAlphaMask) {
1074         delete m_pAlphaMask;
1075     }
1076     m_pAlphaMask = pAlphaMask;
1077     if (m_pPalette) {
1078         FX_Free(m_pPalette);
1079     }
1080     m_pPalette = pal_8bpp;
1081     if (!m_bExtBuf) {
1082         FX_Free(m_pBuffer);
1083     }
1084     m_bExtBuf = FALSE;
1085     m_pBuffer = dest_buf;
1086     m_bpp = (FX_BYTE)dest_format;
1087     m_AlphaFlag = (FX_BYTE)(dest_format >> 8);
1088     m_Pitch = dest_pitch;
1089     return TRUE;
1090 }
1091