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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 |
| 11 #include <algorithm> |
11 #include <memory> | 12 #include <memory> |
12 #include <set> | 13 #include <set> |
13 | 14 |
14 #include "base/i18n/encoding_detection.h" | 15 #include "base/i18n/encoding_detection.h" |
15 #include "base/i18n/icu_string_conversions.h" | 16 #include "base/i18n/icu_string_conversions.h" |
16 #include "base/lazy_instance.h" | 17 #include "base/lazy_instance.h" |
17 #include "base/logging.h" | 18 #include "base/logging.h" |
18 #include "base/macros.h" | 19 #include "base/macros.h" |
19 #include "base/numerics/safe_conversions.h" | 20 #include "base/numerics/safe_conversions.h" |
20 #include "base/stl_util.h" | 21 #include "base/stl_util.h" |
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2293 } | 2294 } |
2294 | 2295 |
2295 pp::Rect PDFiumEngine::GetPageBoundsRect(int index) { | 2296 pp::Rect PDFiumEngine::GetPageBoundsRect(int index) { |
2296 return pages_[index]->rect(); | 2297 return pages_[index]->rect(); |
2297 } | 2298 } |
2298 | 2299 |
2299 pp::Rect PDFiumEngine::GetPageContentsRect(int index) { | 2300 pp::Rect PDFiumEngine::GetPageContentsRect(int index) { |
2300 return GetScreenRect(pages_[index]->rect()); | 2301 return GetScreenRect(pages_[index]->rect()); |
2301 } | 2302 } |
2302 | 2303 |
| 2304 int PDFiumEngine::GetVerticalScrollbarYPosition() { |
| 2305 return position_.y(); |
| 2306 } |
| 2307 |
2303 void PDFiumEngine::SetGrayscale(bool grayscale) { | 2308 void PDFiumEngine::SetGrayscale(bool grayscale) { |
2304 render_grayscale_ = grayscale; | 2309 render_grayscale_ = grayscale; |
2305 } | 2310 } |
2306 | 2311 |
2307 void PDFiumEngine::OnCallback(int id) { | 2312 void PDFiumEngine::OnCallback(int id) { |
2308 if (!timers_.count(id)) | 2313 if (!timers_.count(id)) |
2309 return; | 2314 return; |
2310 | 2315 |
2311 timers_[id].second(id); | 2316 timers_[id].second(id); |
2312 if (timers_.count(id)) // The callback might delete the timer. | 2317 if (timers_.count(id)) // The callback might delete the timer. |
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3770 if (settings.center_in_bounds) { | 3775 if (settings.center_in_bounds) { |
3771 pp::Point offset((settings.bounds.width() - dest->width()) / 2, | 3776 pp::Point offset((settings.bounds.width() - dest->width()) / 2, |
3772 (settings.bounds.height() - dest->height()) / 2); | 3777 (settings.bounds.height() - dest->height()) / 2); |
3773 dest->Offset(offset); | 3778 dest->Offset(offset); |
3774 } | 3779 } |
3775 return rotate; | 3780 return rotate; |
3776 } | 3781 } |
3777 | 3782 |
3778 } // namespace | 3783 } // namespace |
3779 | 3784 |
| 3785 PDFEngineExports::RenderingSettings::RenderingSettings(int dpi_x, |
| 3786 int dpi_y, |
| 3787 const pp::Rect& bounds, |
| 3788 bool fit_to_bounds, |
| 3789 bool stretch_to_bounds, |
| 3790 bool keep_aspect_ratio, |
| 3791 bool center_in_bounds, |
| 3792 bool autorotate) |
| 3793 : dpi_x(dpi_x), |
| 3794 dpi_y(dpi_y), |
| 3795 bounds(bounds), |
| 3796 fit_to_bounds(fit_to_bounds), |
| 3797 stretch_to_bounds(stretch_to_bounds), |
| 3798 keep_aspect_ratio(keep_aspect_ratio), |
| 3799 center_in_bounds(center_in_bounds), |
| 3800 autorotate(autorotate) {} |
| 3801 |
| 3802 PDFEngineExports::RenderingSettings::RenderingSettings( |
| 3803 const RenderingSettings& that) = default; |
| 3804 |
3780 PDFEngineExports* PDFEngineExports::Get() { | 3805 PDFEngineExports* PDFEngineExports::Get() { |
3781 return g_pdf_engine_exports.Pointer(); | 3806 return g_pdf_engine_exports.Pointer(); |
3782 } | 3807 } |
3783 | 3808 |
3784 #if defined(OS_WIN) | 3809 #if defined(OS_WIN) |
3785 bool PDFiumEngineExports::RenderPDFPageToDC(const void* pdf_buffer, | 3810 bool PDFiumEngineExports::RenderPDFPageToDC(const void* pdf_buffer, |
3786 int buffer_size, | 3811 int buffer_size, |
3787 int page_number, | 3812 int page_number, |
3788 const RenderingSettings& settings, | 3813 const RenderingSettings& settings, |
3789 HDC dc) { | 3814 HDC dc) { |
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3925 FPDF_DOCUMENT doc = | 3950 FPDF_DOCUMENT doc = |
3926 FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, nullptr); | 3951 FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, nullptr); |
3927 if (!doc) | 3952 if (!doc) |
3928 return false; | 3953 return false; |
3929 bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0; | 3954 bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0; |
3930 FPDF_CloseDocument(doc); | 3955 FPDF_CloseDocument(doc); |
3931 return success; | 3956 return success; |
3932 } | 3957 } |
3933 | 3958 |
3934 } // namespace chrome_pdf | 3959 } // namespace chrome_pdf |
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