third_party/WebKit/Source/web/tests/sim/SimCanvas.h

   1 // Copyright 2015 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 SimCanvas_h
   6 #define SimCanvas_h
   7
   8 #include "platform/graphics/Color.h"
   9 #include "third_party/skia/include/core/SkCanvas.h"
  10 #include "wtf/Vector.h"
  11
  12 namespace blink {
  13
  14 class SimCanvas : public SkCanvas {
  15 public:
  16     SimCanvas(int width, int height);
  17
  18     enum CommandType {
  19         Rect,
  20         Text,
  21         Image,
  22         Shape,
  23     };
  24
  25     // TODO(esprehn): Ideally we'd put the text in here too, but SkTextBlob
  26     // has no way to get the text back out so we can't assert about drawn text.
  27     struct Command {
  28         CommandType type;
  29         RGBA32 color;
  30     };
  31
  32     const Vector<Command>& commands() const { return m_commands; }
  33
  34     // Rect
  35     void onDrawRect(const SkRect&, const SkPaint&) override;
  36
  37     // Shape
  38     void onDrawOval(const SkRect&, const SkPaint&) override;
  39     void onDrawRRect(const SkRRect&, const SkPaint&) override;
  40     void onDrawPath(const SkPath&, const SkPaint&) override;
  41
  42     // Image
  43     void onDrawImage(const SkImage*, SkScalar, SkScalar, const SkPaint*) override;
  44     void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst, const SkPaint*, SrcRectConstraint) override;
  45
  46     // Text
  47     void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, const SkPaint&) override;
  48     void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], const SkPaint&) override;
  49     void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], SkScalar constY, const SkPaint&) override;
  50     void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath&, const SkMatrix*, const SkPaint&) override;
  51     void onDrawTextBlob(const SkTextBlob*, SkScalar x, SkScalar y, const SkPaint&) override;
  52
  53 private:
  54     void addCommand(CommandType, RGBA32 = 0);
  55
  56     Vector<Command> m_commands;
  57 };
  58
  59 } // namespace blink
  60
  61 #endif