1 /*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "gm.h"
9 #include "sk_tool_utils.h"
10 #include "SkShader.h"
11 using namespace skiagm;
12
GM()13 GM::GM() {
14 fMode = kGM_Mode;
15 fBGColor = SK_ColorWHITE;
16 fCanvasIsDeferred = false;
17 fHaveCalledOnceBeforeDraw = false;
18 fStarterMatrix.reset();
19 }
20
~GM()21 GM::~GM() {}
22
draw(SkCanvas * canvas)23 void GM::draw(SkCanvas* canvas) {
24 this->drawBackground(canvas);
25 this->drawContent(canvas);
26 }
27
drawContent(SkCanvas * canvas)28 void GM::drawContent(SkCanvas* canvas) {
29 if (!fHaveCalledOnceBeforeDraw) {
30 fHaveCalledOnceBeforeDraw = true;
31 this->onOnceBeforeDraw();
32 }
33 this->onDraw(canvas);
34 }
35
drawBackground(SkCanvas * canvas)36 void GM::drawBackground(SkCanvas* canvas) {
37 if (!fHaveCalledOnceBeforeDraw) {
38 fHaveCalledOnceBeforeDraw = true;
39 this->onOnceBeforeDraw();
40 }
41 this->onDrawBackground(canvas);
42 }
43
getName()44 const char* GM::getName() {
45 if (fShortName.size() == 0) {
46 fShortName = this->onShortName();
47 }
48 return fShortName.c_str();
49 }
50
setBGColor(SkColor color)51 void GM::setBGColor(SkColor color) {
52 fBGColor = color;
53 }
54
animate(const SkAnimTimer & timer)55 bool GM::animate(const SkAnimTimer& timer) {
56 return this->onAnimate(timer);
57 }
58
59 /////////////////////////////////////////////////////////////////////////////////////////////
60
onDrawBackground(SkCanvas * canvas)61 void GM::onDrawBackground(SkCanvas* canvas) {
62 canvas->drawColor(fBGColor, SkBlendMode::kSrc);
63 }
64
drawSizeBounds(SkCanvas * canvas,SkColor color)65 void GM::drawSizeBounds(SkCanvas* canvas, SkColor color) {
66 SkISize size = this->getISize();
67 SkRect r = SkRect::MakeWH(SkIntToScalar(size.width()),
68 SkIntToScalar(size.height()));
69 SkPaint paint;
70 paint.setColor(color);
71 canvas->drawRect(r, paint);
72 }
73
DrawGpuOnlyMessage(SkCanvas * canvas)74 void GM::DrawGpuOnlyMessage(SkCanvas* canvas) {
75 SkBitmap bmp;
76 bmp.allocN32Pixels(128, 64);
77 SkCanvas bmpCanvas(bmp);
78 bmpCanvas.drawColor(SK_ColorWHITE);
79 SkPaint paint;
80 paint.setAntiAlias(true);
81 paint.setTextSize(20);
82 paint.setColor(SK_ColorRED);
83 sk_tool_utils::set_portable_typeface(&paint);
84 constexpr char kTxt[] = "GPU Only";
85 bmpCanvas.drawString(kTxt, 20, 40, paint);
86 SkMatrix localM;
87 localM.setRotate(35.f);
88 localM.postTranslate(10.f, 0.f);
89 paint.setShader(SkShader::MakeBitmapShader(bmp, SkShader::kMirror_TileMode,
90 SkShader::kMirror_TileMode,
91 &localM));
92 paint.setFilterQuality(kMedium_SkFilterQuality);
93 canvas->drawPaint(paint);
94 return;
95 }
96
97 // need to explicitly declare this, or we get some weird infinite loop llist
98 template GMRegistry* GMRegistry::gHead;
99
onDraw(SkCanvas * canvas)100 void skiagm::SimpleGM::onDraw(SkCanvas* canvas) {
101 fDrawProc(canvas);
102 }
103
onISize()104 SkISize skiagm::SimpleGM::onISize() {
105 return fSize;
106 }
107
onShortName()108 SkString skiagm::SimpleGM::onShortName() {
109 return fName;
110 }
111