src/chrome/renderer/render_view_unittest.cc - Issue 196021: Implement PrintPageAsJPEG feature for Print Preview

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Issue 196021: Implement PrintPageAsJPEG feature for Print Preview (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/

Patch Set: '' Created 11 years, 3 months ago

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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.	1 // Copyright (c) 2009 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 "base/file_util.h"	5 #include "base/file_util.h"

	6 #include "base/gfx/jpeg_codec.h"

6 #include "base/shared_memory.h"	7 #include "base/shared_memory.h"

7 #include "chrome/common/native_web_keyboard_event.h"	8 #include "chrome/common/native_web_keyboard_event.h"

8 #include "chrome/common/render_messages.h"	9 #include "chrome/common/render_messages.h"

	10 #include "chrome/renderer/print_web_view_helper.h"

9 #include "chrome/test/render_view_test.h"	11 #include "chrome/test/render_view_test.h"

10 #include "net/base/net_errors.h"	12 #include "net/base/net_errors.h"

11 #include "printing/image.h"	13 #include "printing/image.h"

12 #include "printing/native_metafile.h"	14 #include "printing/native_metafile.h"

13 #include "testing/gtest/include/gtest/gtest.h"	15 #include "testing/gtest/include/gtest/gtest.h"

14 #include "webkit/api/public/WebString.h"	16 #include "webkit/api/public/WebString.h"

15 #include "webkit/api/public/WebURLError.h"	17 #include "webkit/api/public/WebURLError.h"

16	18

17 using WebKit::WebCompositionCommand;	19 using WebKit::WebCompositionCommand;

18 using WebKit::WebFrame;	20 using WebKit::WebFrame;

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860 error.domain.fromUTF8("test_domain");	862 error.domain.fromUTF8("test_domain");

861 error.reason = net::ERR_ABORTED;	863 error.reason = net::ERR_ABORTED;

862 error.unreachableURL = GURL("http://foo");	864 error.unreachableURL = GURL("http://foo");

863 WebFrame* web_frame = GetMainFrame();	865 WebFrame* web_frame = GetMainFrame();

864 WebView* web_view = web_frame->view();	866 WebView* web_view = web_frame->view();

865 // A cancellation occurred.	867 // A cancellation occurred.

866 view_->DidFailProvisionalLoadWithError(web_view, error, web_frame);	868 view_->DidFailProvisionalLoadWithError(web_view, error, web_frame);

867 // Frame should stay in view-source mode.	869 // Frame should stay in view-source mode.

868 EXPECT_TRUE(web_frame->isViewSourceModeEnabled());	870 EXPECT_TRUE(web_frame->isViewSourceModeEnabled());

869 }	871 }

	872

	873 // Print page as bitmap test.

	874 TEST_F(RenderViewTest, OnPrintPageAsBitmap) {

	875 #if defined(OS_WIN)

	876 // Lets simulate a print pages with Hello world.

	877 LoadHTML("<body><p>Hello world!</p></body>");

	878

	879 // Grab the printer settings from the printer.

	880 ViewMsg_Print_Params print_settings;

	881 MockPrinter* printer(render_thread_.printer());

	882 printer->GetDefaultPrintSettings(&print_settings);

	883 ViewMsg_PrintPage_Params page_params = ViewMsg_PrintPage_Params();

	884 page_params.params = print_settings;

	885 page_params.page_number = 0;

	886

	887 // Fetch the image data from the web frame.

	888 std::vector<unsigned char> data;

	889 view_->print_helper()->PrintPageAsJPEG(page_params,

	890 view_->webview()->GetMainFrame(),

	891 1.0f,

	892 &data);

	893 std::vector<unsigned char> decoded;

	894 int w, h;

	895 EXPECT_TRUE(JPEGCodec::Decode(&data[0], data.size(), JPEGCodec::FORMAT_RGBA,

	896 &decoded, &w, &h));

	897

	898 // Check if its not 100% white.

	899 bool is_white = true;

	900 for (int y = 0; y < h; y++) {

	901 for (int x = 0; x < w; x++) {

	902 unsigned char* px = &decoded[(y * w + x) * 4];

	903 if (px[0] != 0xFF && px[1] != 0xFF && px[2] != 0xFF) {

	904 is_white = false;

	905 break;

	906 }

	907 }

	908 }

	909 ASSERT_TRUE(!is_white);

	910 #else

	911 NOTIMPLEMENTED();

	912 #endif

	913 }

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