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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #include "../../../include/fxge/fx_dib.h" | 7 #include "../../../include/fxge/fx_dib.h" |
| 8 #include "../../../include/fxge/fx_ge.h" | 8 #include "../../../include/fxge/fx_ge.h" |
| 9 #include "../../../include/fxcodec/fx_codec.h" | 9 #include "../../../include/fxcodec/fx_codec.h" |
| 10 #include "dib_int.h" | 10 #include "dib_int.h" |
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| 1319 FX_BYTE b, g, r; | 1319 FX_BYTE b, g, r; |
| 1320 AdobeCMYK_to_sRGB1(scanline[0], scanline[1], scanline[2], scanli
ne[3], | 1320 AdobeCMYK_to_sRGB1(scanline[0], scanline[1], scanline[2], scanli
ne[3], |
| 1321 r, g, b); | 1321 r, g, b); |
| 1322 int gray = 255 - FXRGB2GRAY(r, g, b); | 1322 int gray = 255 - FXRGB2GRAY(r, g, b); |
| 1323 *scanline ++ = bc + (fc - bc) * gray / 255; | 1323 *scanline ++ = bc + (fc - bc) * gray / 255; |
| 1324 *scanline ++ = bm + (fm - bm) * gray / 255; | 1324 *scanline ++ = bm + (fm - bm) * gray / 255; |
| 1325 *scanline ++ = by + (fy - by) * gray / 255; | 1325 *scanline ++ = by + (fy - by) * gray / 255; |
| 1326 *scanline ++ = bk + (fk - bk) * gray / 255; | 1326 *scanline ++ = bk + (fk - bk) * gray / 255; |
| 1327 } | 1327 } |
| 1328 } | 1328 } |
| 1329 } else | 1329 } else { |
| 1330 for (int row = 0; row < m_Height; row ++) { | 1330 for (int row = 0; row < m_Height; row ++) { |
| 1331 FX_LPBYTE scanline = m_pBuffer + row * m_Pitch; | 1331 FX_LPBYTE scanline = m_pBuffer + row * m_Pitch; |
| 1332 int gap = m_bpp / 8 - 2; | 1332 int gap = m_bpp / 8 - 2; |
| 1333 for (int col = 0; col < m_Width; col ++) { | 1333 for (int col = 0; col < m_Width; col ++) { |
| 1334 int gray = FXRGB2GRAY(scanline[2], scanline[1], scanline[0]); | 1334 int gray = FXRGB2GRAY(scanline[2], scanline[1], scanline[0]); |
| 1335 *scanline ++ = bb + (fb - bb) * gray / 255; | 1335 *scanline ++ = bb + (fb - bb) * gray / 255; |
| 1336 *scanline ++ = bg + (fg - bg) * gray / 255; | 1336 *scanline ++ = bg + (fg - bg) * gray / 255; |
| 1337 *scanline = br + (fr - br) * gray / 255; | 1337 *scanline = br + (fr - br) * gray / 255; |
| 1338 scanline += gap; | 1338 scanline += gap; |
| 1339 } | 1339 } |
| 1340 } | 1340 } |
| 1341 } |
| 1341 return TRUE; | 1342 return TRUE; |
| 1342 } | 1343 } |
| 1343 FX_BOOL CFX_DIBitmap::DitherFS(const FX_DWORD* pPalette, int pal_size, const FX_
RECT* pRect) | 1344 FX_BOOL CFX_DIBitmap::DitherFS(const FX_DWORD* pPalette, int pal_size, const FX_
RECT* pRect) |
| 1344 { | 1345 { |
| 1345 if (m_pBuffer == NULL) { | 1346 if (m_pBuffer == NULL) { |
| 1346 return FALSE; | 1347 return FALSE; |
| 1347 } | 1348 } |
| 1348 if (m_bpp != 8 && m_pPalette != NULL && m_AlphaFlag != 0) { | 1349 if (m_bpp != 8 && m_pPalette != NULL && m_AlphaFlag != 0) { |
| 1349 return FALSE; | 1350 return FALSE; |
| 1350 } | 1351 } |
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| 1725 if (!m_pBitmap->Create(width, height, src_format)) { | 1726 if (!m_pBitmap->Create(width, height, src_format)) { |
| 1726 delete m_pBitmap; | 1727 delete m_pBitmap; |
| 1727 m_pBitmap = NULL; | 1728 m_pBitmap = NULL; |
| 1728 return FALSE; | 1729 return FALSE; |
| 1729 } | 1730 } |
| 1730 if (pSrcPalette) { | 1731 if (pSrcPalette) { |
| 1731 m_pBitmap->CopyPalette(pSrcPalette); | 1732 m_pBitmap->CopyPalette(pSrcPalette); |
| 1732 } | 1733 } |
| 1733 return TRUE; | 1734 return TRUE; |
| 1734 } | 1735 } |
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