| // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "pdf/pdf.h" |
| |
| #include <stdint.h> |
| |
| #include <utility> |
| |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "pdf/out_of_process_instance.h" |
| #include "pdf/pdf_ppapi.h" |
| |
| namespace chrome_pdf { |
| |
| namespace { |
| |
| class ScopedSdkInitializer { |
| public: |
| ScopedSdkInitializer() {} |
| ~ScopedSdkInitializer() { |
| #if DCHECK_IS_ON() |
| DCHECK(initialized_); |
| #endif |
| if (!IsSDKInitializedViaPepper()) |
| ShutdownSDK(); |
| } |
| |
| // Must be called. |
| bool Init(bool enable_v8) { |
| #if DCHECK_IS_ON() |
| initialized_ = true; |
| #endif |
| return IsSDKInitializedViaPepper() || InitializeSDK(enable_v8); |
| } |
| |
| private: |
| #if DCHECK_IS_ON() |
| bool initialized_ = false; |
| #endif |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopedSdkInitializer); |
| }; |
| |
| } // namespace |
| |
| #if defined(OS_WIN) |
| bool RenderPDFPageToDC(base::span<const uint8_t> pdf_buffer, |
| int page_number, |
| HDC dc, |
| int dpi_x, |
| int dpi_y, |
| int bounds_origin_x, |
| int bounds_origin_y, |
| int bounds_width, |
| int bounds_height, |
| bool fit_to_bounds, |
| bool stretch_to_bounds, |
| bool keep_aspect_ratio, |
| bool center_in_bounds, |
| bool autorotate, |
| bool use_color) { |
| ScopedSdkInitializer scoped_sdk_initializer; |
| if (!scoped_sdk_initializer.Init(/*enable_v8=*/true)) |
| return false; |
| |
| PDFEngineExports* engine_exports = PDFEngineExports::Get(); |
| PDFEngineExports::RenderingSettings settings( |
| dpi_x, dpi_y, |
| pp::Rect(bounds_origin_x, bounds_origin_y, bounds_width, bounds_height), |
| fit_to_bounds, stretch_to_bounds, keep_aspect_ratio, center_in_bounds, |
| autorotate, use_color); |
| return engine_exports->RenderPDFPageToDC(pdf_buffer, page_number, settings, |
| dc); |
| } |
| |
| void SetPDFEnsureTypefaceCharactersAccessible( |
| PDFEnsureTypefaceCharactersAccessible func) { |
| PDFEngineExports::Get()->SetPDFEnsureTypefaceCharactersAccessible(func); |
| } |
| |
| void SetPDFUseGDIPrinting(bool enable) { |
| PDFEngineExports::Get()->SetPDFUseGDIPrinting(enable); |
| } |
| |
| void SetPDFUsePrintMode(int mode) { |
| PDFEngineExports::Get()->SetPDFUsePrintMode(mode); |
| } |
| #endif // defined(OS_WIN) |
| |
| bool GetPDFDocInfo(base::span<const uint8_t> pdf_buffer, |
| int* page_count, |
| double* max_page_width) { |
| ScopedSdkInitializer scoped_sdk_initializer; |
| if (!scoped_sdk_initializer.Init(/*enable_v8=*/true)) |
| return false; |
| |
| PDFEngineExports* engine_exports = PDFEngineExports::Get(); |
| return engine_exports->GetPDFDocInfo(pdf_buffer, page_count, max_page_width); |
| } |
| |
| bool GetPDFPageSizeByIndex(base::span<const uint8_t> pdf_buffer, |
| int page_number, |
| double* width, |
| double* height) { |
| ScopedSdkInitializer scoped_sdk_initializer; |
| if (!scoped_sdk_initializer.Init(/*enable_v8=*/true)) |
| return false; |
| |
| chrome_pdf::PDFEngineExports* engine_exports = |
| chrome_pdf::PDFEngineExports::Get(); |
| return engine_exports->GetPDFPageSizeByIndex(pdf_buffer, page_number, width, |
| height); |
| } |
| |
| bool RenderPDFPageToBitmap(base::span<const uint8_t> pdf_buffer, |
| int page_number, |
| void* bitmap_buffer, |
| int bitmap_width, |
| int bitmap_height, |
| int dpi_x, |
| int dpi_y, |
| bool autorotate, |
| bool use_color) { |
| ScopedSdkInitializer scoped_sdk_initializer; |
| if (!scoped_sdk_initializer.Init(/*enable_v8=*/true)) |
| return false; |
| |
| PDFEngineExports* engine_exports = PDFEngineExports::Get(); |
| PDFEngineExports::RenderingSettings settings( |
| dpi_x, dpi_y, pp::Rect(bitmap_width, bitmap_height), true, false, true, |
| true, autorotate, use_color); |
| return engine_exports->RenderPDFPageToBitmap(pdf_buffer, page_number, |
| settings, bitmap_buffer); |
| } |
| |
| std::vector<uint8_t> ConvertPdfPagesToNupPdf( |
| std::vector<base::span<const uint8_t>> input_buffers, |
| size_t pages_per_sheet, |
| const gfx::Size& page_size, |
| const gfx::Rect& printable_area) { |
| ScopedSdkInitializer scoped_sdk_initializer; |
| if (!scoped_sdk_initializer.Init(/*enable_v8=*/false)) |
| return std::vector<uint8_t>(); |
| |
| PDFEngineExports* engine_exports = PDFEngineExports::Get(); |
| return engine_exports->ConvertPdfPagesToNupPdf( |
| std::move(input_buffers), pages_per_sheet, page_size, printable_area); |
| } |
| |
| std::vector<uint8_t> ConvertPdfDocumentToNupPdf( |
| base::span<const uint8_t> input_buffer, |
| size_t pages_per_sheet, |
| const gfx::Size& page_size, |
| const gfx::Rect& printable_area) { |
| ScopedSdkInitializer scoped_sdk_initializer; |
| if (!scoped_sdk_initializer.Init(/*enable_v8=*/false)) |
| return std::vector<uint8_t>(); |
| |
| PDFEngineExports* engine_exports = PDFEngineExports::Get(); |
| return engine_exports->ConvertPdfDocumentToNupPdf( |
| input_buffer, pages_per_sheet, page_size, printable_area); |
| } |
| |
| } // namespace chrome_pdf |