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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium 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 #include "pdf/pdfium/pdfium_engine.h" | 5 #include "pdf/pdfium/pdfium_engine.h" |
6 | 6 |
7 #include <math.h> | 7 #include <math.h> |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
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1409 static_cast<unsigned char*>(FPDFBitmap_GetBuffer(bitmap)); | 1409 static_cast<unsigned char*>(FPDFBitmap_GetBuffer(bitmap)); |
1410 double ratio_x = ConvertUnitDouble(bitmap_size.width(), print_settings.dpi, | 1410 double ratio_x = ConvertUnitDouble(bitmap_size.width(), print_settings.dpi, |
1411 kPointsPerInch); | 1411 kPointsPerInch); |
1412 double ratio_y = ConvertUnitDouble(bitmap_size.height(), print_settings.dpi, | 1412 double ratio_y = ConvertUnitDouble(bitmap_size.height(), print_settings.dpi, |
1413 kPointsPerInch); | 1413 kPointsPerInch); |
1414 | 1414 |
1415 // Add the bitmap to an image object and add the image object to the output | 1415 // Add the bitmap to an image object and add the image object to the output |
1416 // page. | 1416 // page. |
1417 FPDF_PAGEOBJECT temp_img = FPDFPageObj_NewImageObj(temp_doc); | 1417 FPDF_PAGEOBJECT temp_img = FPDFPageObj_NewImageObj(temp_doc); |
1418 | 1418 |
| 1419 bool encoded = false; |
1419 std::vector<uint8_t> compressed_bitmap_data; | 1420 std::vector<uint8_t> compressed_bitmap_data; |
1420 // Use quality = 40 as this does not significantly degrade the printed | 1421 if (!(print_settings.format & PP_PRINTOUTPUTFORMAT_PDF)) { |
1421 // document relative to a normal bitmap and provides better compression than | 1422 // Use quality = 40 as this does not significantly degrade the printed |
1422 // a higher quality setting. | 1423 // document relative to a normal bitmap and provides better compression than |
1423 const int quality = 40; | 1424 // a higher quality setting. |
1424 SkImageInfo info = SkImageInfo::Make( | 1425 const int kQuality = 40; |
1425 FPDFBitmap_GetWidth(bitmap), FPDFBitmap_GetHeight(bitmap), | 1426 SkImageInfo info = SkImageInfo::Make( |
1426 kBGRA_8888_SkColorType, kOpaque_SkAlphaType); | 1427 FPDFBitmap_GetWidth(bitmap), FPDFBitmap_GetHeight(bitmap), |
1427 SkPixmap src(info, bitmap_data, FPDFBitmap_GetStride(bitmap)); | 1428 kBGRA_8888_SkColorType, kOpaque_SkAlphaType); |
1428 if (!(print_settings.format & PP_PRINTOUTPUTFORMAT_PDF) && | 1429 SkPixmap src(info, bitmap_data, FPDFBitmap_GetStride(bitmap)); |
1429 (gfx::JPEGCodec::Encode(src, quality, &compressed_bitmap_data))) { | 1430 encoded = gfx::JPEGCodec::Encode(src, kQuality, &compressed_bitmap_data); |
| 1431 } |
| 1432 if (encoded) { |
1430 FPDF_FILEACCESS file_access = {}; | 1433 FPDF_FILEACCESS file_access = {}; |
1431 file_access.m_FileLen = | 1434 file_access.m_FileLen = |
1432 static_cast<unsigned long>(compressed_bitmap_data.size()); | 1435 static_cast<unsigned long>(compressed_bitmap_data.size()); |
1433 file_access.m_GetBlock = &GetBlockForJpeg; | 1436 file_access.m_GetBlock = &GetBlockForJpeg; |
1434 file_access.m_Param = &compressed_bitmap_data; | 1437 file_access.m_Param = &compressed_bitmap_data; |
1435 | 1438 |
1436 FPDFImageObj_LoadJpegFileInline(&temp_page, 1, temp_img, &file_access); | 1439 FPDFImageObj_LoadJpegFileInline(&temp_page, 1, temp_img, &file_access); |
1437 } else { | 1440 } else { |
1438 FPDFImageObj_SetBitmap(&temp_page, 1, temp_img, bitmap); | 1441 FPDFImageObj_SetBitmap(&temp_page, 1, temp_img, bitmap); |
1439 } | 1442 } |
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4135 FPDF_DOCUMENT doc = | 4138 FPDF_DOCUMENT doc = |
4136 FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, nullptr); | 4139 FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, nullptr); |
4137 if (!doc) | 4140 if (!doc) |
4138 return false; | 4141 return false; |
4139 bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0; | 4142 bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0; |
4140 FPDF_CloseDocument(doc); | 4143 FPDF_CloseDocument(doc); |
4141 return success; | 4144 return success; |
4142 } | 4145 } |
4143 | 4146 |
4144 } // namespace chrome_pdf | 4147 } // namespace chrome_pdf |
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