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
3// found in the LICENSE file.
4
5#ifndef PPAPI_TESTS_TEST_GRAPHICS_2D_H_
6#define PPAPI_TESTS_TEST_GRAPHICS_2D_H_
7
8#include <string>
9
10#include "ppapi/c/pp_stdint.h"
11#include "ppapi/c/ppb_graphics_2d.h"
12#include "ppapi/c/ppb_image_data.h"
13#include "ppapi/tests/test_case.h"
14
15namespace pp {
16class Graphics2D;
17class ImageData;
18class Point;
19class Rect;
20}
21
22class TestGraphics2D : public TestCase {
23 public:
24  explicit TestGraphics2D(TestingInstance* instance);
25
26  // TestCase implementation.
27  virtual void DidChangeView(const pp::View& view);
28  virtual bool Init();
29  virtual void RunTests(const std::string& filter);
30
31  void QuitMessageLoop();
32
33 private:
34  bool ReadImageData(const pp::Graphics2D& dc,
35                     pp::ImageData* image,
36                     const pp::Point& top_left) const;
37
38  void FillRectInImage(pp::ImageData* image,
39                       const pp::Rect& rect,
40                       uint32_t color) const;
41
42  // Fill image with gradient colors.
43  void FillImageWithGradient(pp::ImageData* image) const;
44
45  // Return true if images are the same.
46  bool CompareImages(const pp::ImageData& image1,
47                     const pp::ImageData& image2);
48
49  // Return true if images within specified rectangles are the same.
50  bool CompareImageRect(const pp::ImageData& image1,
51                        const pp::Rect& rc1,
52                        const pp::ImageData& image2,
53                        const pp::Rect& rc2) const;
54
55  // Validates that the given image is a single color with a square of another
56  // color inside it.
57  bool IsSquareInImage(const pp::ImageData& image_data,
58                       uint32_t background_color,
59                       const pp::Rect& square, uint32_t square_color) const;
60
61  // Validates that the given device context is a single color with a square of
62  // another color inside it.
63  bool IsSquareInDC(const pp::Graphics2D& dc, uint32_t background_color,
64                    const pp::Rect& square, uint32_t square_color) const;
65
66  // Validates that the given device context is filled with the given color.
67  bool IsDCUniformColor(const pp::Graphics2D& dc, uint32_t color) const;
68
69  // Issues a flush on the given device context and blocks until the flush
70  // has issued its callback. Returns an empty string on success or an error
71  // message on failure.
72  std::string FlushAndWaitForDone(pp::Graphics2D* context);
73
74  // Creates an image and replaces the contents of the Graphics2D with the
75  // image, waiting for completion. This returns the resource ID of the image
76  // data we created. This image data will be released by the time the call
77  // completes, but it can be used for comparisons later.
78  //
79  // Returns 0 on failure.
80  PP_Resource ReplaceContentsAndReturnID(pp::Graphics2D* dc,
81                                         const pp::Size& size);
82
83  // Resets the internal state of view change.
84  void ResetViewChangedState();
85
86  // Waits until we get a view change event. Note that it's possible to receive
87  // an unexpected event, thus post_quit_on_view_changed_ is introduced so that
88  // DidChangeView can check whether the event is from here.
89  bool WaitUntilViewChanged();
90
91  std::string TestInvalidResource();
92  std::string TestInvalidSize();
93  std::string TestHumongous();
94  std::string TestInitToZero();
95  std::string TestDescribe();
96  std::string TestScale();
97  std::string TestPaint();
98  std::string TestScroll();
99  std::string TestReplace();
100  std::string TestFlush();
101  std::string TestFlushOffscreenUpdate();
102  std::string TestDev();
103  std::string TestReplaceContentsCaching();
104  std::string TestBindNull();
105
106  // Used by the tests that access the C API directly.
107  const PPB_Graphics2D_1_1* graphics_2d_interface_;
108  const PPB_ImageData_1_0* image_data_interface_;
109
110  // Used to indicate that DidChangeView has happened, in order to make plugin
111  // and ui synchronous.
112  bool is_view_changed_;
113
114  // Set to true to request that the next invocation of DidChangeView should
115  // post a quit to the message loop. DidChangeView will also reset the flag so
116  // this will only happen once.
117  bool post_quit_on_view_changed_;
118};
119
120#endif  // PPAPI_TESTS_TEST_GRAPHICS_2D_H_
121