/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "sk_tool_utils.h"
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#include "SkShader.h"
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#include "SkTraceEvent.h"
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using namespace skiagm;
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GM::GM() {
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fMode = kGM_Mode;
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fBGColor = SK_ColorWHITE;
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fCanvasIsDeferred = false;
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fHaveCalledOnceBeforeDraw = false;
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}
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GM::~GM() {}
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void GM::draw(SkCanvas* canvas) {
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TRACE_EVENT1("GM", TRACE_FUNC, "name", TRACE_STR_COPY(this->getName()));
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this->drawBackground(canvas);
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this->drawContent(canvas);
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}
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void GM::drawContent(SkCanvas* canvas) {
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TRACE_EVENT0("GM", TRACE_FUNC);
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if (!fHaveCalledOnceBeforeDraw) {
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fHaveCalledOnceBeforeDraw = true;
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this->onOnceBeforeDraw();
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}
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SkAutoCanvasRestore acr(canvas, true);
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this->onDraw(canvas);
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}
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void GM::drawBackground(SkCanvas* canvas) {
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TRACE_EVENT0("GM", TRACE_FUNC);
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if (!fHaveCalledOnceBeforeDraw) {
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fHaveCalledOnceBeforeDraw = true;
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this->onOnceBeforeDraw();
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}
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SkAutoCanvasRestore acr(canvas, true);
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canvas->drawColor(fBGColor, SkBlendMode::kSrc);
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}
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const char* GM::getName() {
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if (fShortName.size() == 0) {
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fShortName = this->onShortName();
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}
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return fShortName.c_str();
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}
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void GM::setBGColor(SkColor color) {
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fBGColor = color;
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}
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bool GM::animate(const SkAnimTimer& timer) {
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return this->onAnimate(timer);
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}
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/////////////////////////////////////////////////////////////////////////////////////////////
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void GM::drawSizeBounds(SkCanvas* canvas, SkColor color) {
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SkISize size = this->getISize();
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SkRect r = SkRect::MakeWH(SkIntToScalar(size.width()),
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SkIntToScalar(size.height()));
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SkPaint paint;
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paint.setColor(color);
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canvas->drawRect(r, paint);
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}
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void GM::DrawGpuOnlyMessage(SkCanvas* canvas) {
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SkBitmap bmp;
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bmp.allocN32Pixels(128, 64);
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SkCanvas bmpCanvas(bmp);
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bmpCanvas.drawColor(SK_ColorWHITE);
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SkFont font(sk_tool_utils::create_portable_typeface(), 20);
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SkPaint paint;
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paint.setColor(SK_ColorRED);
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bmpCanvas.drawString("GPU Only", 20, 40, font, paint);
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SkMatrix localM;
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localM.setRotate(35.f);
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localM.postTranslate(10.f, 0.f);
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paint.setShader(SkShader::MakeBitmapShader(bmp, SkShader::kMirror_TileMode,
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SkShader::kMirror_TileMode,
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&localM));
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paint.setFilterQuality(kMedium_SkFilterQuality);
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canvas->drawPaint(paint);
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return;
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}
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// need to explicitly declare this, or we get some weird infinite loop llist
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template GMRegistry* GMRegistry::gHead;
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void skiagm::SimpleGM::onDraw(SkCanvas* canvas) {
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fDrawProc(canvas);
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}
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SkISize skiagm::SimpleGM::onISize() {
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return fSize;
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}
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SkString skiagm::SimpleGM::onShortName() {
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return fName;
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}
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template <typename Fn>
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static void mark(SkCanvas* canvas, SkScalar x, SkScalar y, Fn&& fn) {
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SkPaint alpha;
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alpha.setAlpha(0x50);
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canvas->saveLayer(nullptr, &alpha);
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canvas->translate(x,y);
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canvas->scale(2,2);
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fn();
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canvas->restore();
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}
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void MarkGMGood(SkCanvas* canvas, SkScalar x, SkScalar y) {
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mark(canvas, x,y, [&]{
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SkPaint paint;
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// A green circle.
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paint.setColor(SkColorSetRGB(27, 158, 119));
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canvas->drawCircle(0,0, 12, paint);
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// Cut out a check mark.
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paint.setBlendMode(SkBlendMode::kSrc);
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paint.setColor(0x00000000);
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paint.setStrokeWidth(2);
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paint.setStyle(SkPaint::kStroke_Style);
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canvas->drawLine(-6, 0,
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-1, 5, paint);
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canvas->drawLine(-1, +5,
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+7, -5, paint);
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});
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}
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void MarkGMBad(SkCanvas* canvas, SkScalar x, SkScalar y) {
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mark(canvas, x,y, [&] {
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SkPaint paint;
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// A red circle.
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paint.setColor(SkColorSetRGB(231, 41, 138));
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canvas->drawCircle(0,0, 12, paint);
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// Cut out an 'X'.
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paint.setBlendMode(SkBlendMode::kSrc);
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paint.setColor(0x00000000);
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paint.setStrokeWidth(2);
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paint.setStyle(SkPaint::kStroke_Style);
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canvas->drawLine(-5,-5,
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+5,+5, paint);
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canvas->drawLine(+5,-5,
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-5,+5, paint);
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});
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}
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