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Side by Side Diff: chrome/renderer/printing/print_web_view_helper_win.cc

Issue 516833002: Removed NativeMetafile and PreviewMetafile typedef as it's always PdfMetafileSkia. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@no_pdf
Patch Set: Thu Aug 28 02:43:23 PDT 2014 Created 6 years, 3 months ago
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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 "chrome/renderer/printing/print_web_view_helper.h" 5 #include "chrome/renderer/printing/print_web_view_helper.h"
6 6
7 #include "base/logging.h" 7 #include "base/logging.h"
8 #include "base/memory/scoped_ptr.h" 8 #include "base/memory/scoped_ptr.h"
9 #include "base/metrics/histogram.h" 9 #include "base/metrics/histogram.h"
10 #include "base/process/process_handle.h" 10 #include "base/process/process_handle.h"
11 #include "base/win/scoped_gdi_object.h" 11 #include "base/win/scoped_gdi_object.h"
12 #include "base/win/scoped_hdc.h" 12 #include "base/win/scoped_hdc.h"
13 #include "base/win/scoped_select_object.h" 13 #include "base/win/scoped_select_object.h"
14 #include "chrome/common/print_messages.h" 14 #include "chrome/common/print_messages.h"
15 #include "printing/metafile.h" 15 #include "printing/metafile.h"
16 #include "printing/metafile_impl.h"
17 #include "printing/metafile_skia_wrapper.h" 16 #include "printing/metafile_skia_wrapper.h"
18 #include "printing/page_size_margins.h" 17 #include "printing/page_size_margins.h"
18 #include "printing/pdf_metafile_skia.h"
19 #include "printing/units.h" 19 #include "printing/units.h"
20 #include "skia/ext/platform_device.h" 20 #include "skia/ext/platform_device.h"
21 #include "skia/ext/refptr.h" 21 #include "skia/ext/refptr.h"
22 #include "skia/ext/vector_canvas.h" 22 #include "skia/ext/vector_canvas.h"
23 #include "third_party/WebKit/public/web/WebLocalFrame.h" 23 #include "third_party/WebKit/public/web/WebLocalFrame.h"
24 #include "ui/gfx/gdi_util.h" 24 #include "ui/gfx/gdi_util.h"
25 #include "ui/gfx/point.h" 25 #include "ui/gfx/point.h"
26 #include "ui/gfx/rect.h" 26 #include "ui/gfx/rect.h"
27 #include "ui/gfx/size.h" 27 #include "ui/gfx/size.h"
28 28
29 namespace printing { 29 namespace printing {
30 30
31 using blink::WebFrame; 31 using blink::WebFrame;
32 32
33 void PrintWebViewHelper::PrintPageInternal( 33 void PrintWebViewHelper::PrintPageInternal(
34 const PrintMsg_PrintPage_Params& params, 34 const PrintMsg_PrintPage_Params& params,
35 const gfx::Size& canvas_size, 35 const gfx::Size& canvas_size,
36 WebFrame* frame) { 36 WebFrame* frame) {
37 // Generate a memory-based metafile. It will use the current screen's DPI. 37 // Generate a memory-based metafile. It will use the current screen's DPI.
38 // Each metafile contains a single page. 38 // Each metafile contains a single page.
39 scoped_ptr<NativeMetafile> metafile(new NativeMetafile); 39 scoped_ptr<PdfMetafileSkia> metafile(new PdfMetafileSkia);
40 metafile->Init(); 40 metafile->Init();
41 DCHECK(metafile->context()); 41 DCHECK(metafile->context());
42 skia::InitializeDC(metafile->context()); 42 skia::InitializeDC(metafile->context());
43 43
44 int page_number = params.page_number; 44 int page_number = params.page_number;
45 45
46 // Calculate the dpi adjustment. 46 // Calculate the dpi adjustment.
47 // Browser will render context using desired_dpi, so we need to calculate 47 // Browser will render context using desired_dpi, so we need to calculate
48 // adjustment factor to play content on the printer DC later during the 48 // adjustment factor to play content on the printer DC later during the
49 // actual printing. 49 // actual printing.
50 double actual_shrink = static_cast<float>(params.params.desired_dpi / 50 double actual_shrink = static_cast<float>(params.params.desired_dpi /
51 params.params.dpi); 51 params.params.dpi);
52 gfx::Size page_size_in_dpi; 52 gfx::Size page_size_in_dpi;
53 gfx::Rect content_area_in_dpi; 53 gfx::Rect content_area_in_dpi;
54 54
55 // Render page for printing. 55 // Render page for printing.
56 RenderPage(params.params, page_number, frame, false, metafile.get(), 56 RenderPage(params.params, page_number, frame, false, metafile.get(),
57 &actual_shrink, &page_size_in_dpi, &content_area_in_dpi); 57 &actual_shrink, &page_size_in_dpi, &content_area_in_dpi);
58 58
59 // Close the device context to retrieve the compiled metafile. 59 // Close the device context to retrieve the compiled metafile.
60 if (!metafile->FinishDocument()) 60 if (!metafile->FinishDocument())
61 NOTREACHED(); 61 NOTREACHED();
62 62
63 if (!params.params.supports_alpha_blend && metafile->IsAlphaBlendUsed()) { 63 if (!params.params.supports_alpha_blend && metafile->IsAlphaBlendUsed()) {
64 scoped_ptr<NativeMetafile> raster_metafile( 64 scoped_ptr<PdfMetafileSkia> raster_metafile(
65 metafile->RasterizeAlphaBlend()); 65 metafile->RasterizeAlphaBlend());
66 if (raster_metafile.get()) 66 if (raster_metafile.get())
67 metafile.swap(raster_metafile); 67 metafile.swap(raster_metafile);
68 } 68 }
69 69
70 // Get the size of the compiled metafile. 70 // Get the size of the compiled metafile.
71 uint32 buf_size = metafile->GetDataSize(); 71 uint32 buf_size = metafile->GetDataSize();
72 DCHECK_GT(buf_size, 128u); 72 DCHECK_GT(buf_size, 128u);
73 73
74 PrintHostMsg_DidPrintPage_Params page_params; 74 PrintHostMsg_DidPrintPage_Params page_params;
(...skipping 16 matching lines...) Expand all
91 bool PrintWebViewHelper::RenderPreviewPage( 91 bool PrintWebViewHelper::RenderPreviewPage(
92 int page_number, 92 int page_number,
93 const PrintMsg_Print_Params& print_params) { 93 const PrintMsg_Print_Params& print_params) {
94 // Calculate the dpi adjustment. 94 // Calculate the dpi adjustment.
95 double actual_shrink = static_cast<float>(print_params.desired_dpi / 95 double actual_shrink = static_cast<float>(print_params.desired_dpi /
96 print_params.dpi); 96 print_params.dpi);
97 scoped_ptr<Metafile> draft_metafile; 97 scoped_ptr<Metafile> draft_metafile;
98 Metafile* initial_render_metafile = print_preview_context_.metafile(); 98 Metafile* initial_render_metafile = print_preview_context_.metafile();
99 99
100 if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) { 100 if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) {
101 draft_metafile.reset(new PreviewMetafile); 101 draft_metafile.reset(new PdfMetafileSkia);
102 initial_render_metafile = draft_metafile.get(); 102 initial_render_metafile = draft_metafile.get();
103 } 103 }
104 104
105 base::TimeTicks begin_time = base::TimeTicks::Now(); 105 base::TimeTicks begin_time = base::TimeTicks::Now();
106 RenderPage(print_params, page_number, print_preview_context_.prepared_frame(), 106 RenderPage(print_params, page_number, print_preview_context_.prepared_frame(),
107 true, initial_render_metafile, &actual_shrink, NULL, NULL); 107 true, initial_render_metafile, &actual_shrink, NULL, NULL);
108 print_preview_context_.RenderedPreviewPage( 108 print_preview_context_.RenderedPreviewPage(
109 base::TimeTicks::Now() - begin_time); 109 base::TimeTicks::Now() - begin_time);
110 110
111 if (draft_metafile.get()) { 111 if (draft_metafile.get()) {
(...skipping 128 matching lines...) Expand 10 before | Expand all | Expand 10 after
240 } 240 }
241 shared_buf.GiveToProcess(base::GetCurrentProcessHandle(), shared_mem_handle); 241 shared_buf.GiveToProcess(base::GetCurrentProcessHandle(), shared_mem_handle);
242 shared_buf.Unmap(); 242 shared_buf.Unmap();
243 243
244 Send(new PrintHostMsg_DuplicateSection(routing_id(), *shared_mem_handle, 244 Send(new PrintHostMsg_DuplicateSection(routing_id(), *shared_mem_handle,
245 shared_mem_handle)); 245 shared_mem_handle));
246 return true; 246 return true;
247 } 247 }
248 248
249 } // namespace printing 249 } // namespace printing
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