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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkShader.h"
using namespace skiagm;
GM::GM() {
fMode = kGM_Mode;
fBGColor = SK_ColorWHITE;
fCanvasIsDeferred = false;
fHaveCalledOnceBeforeDraw = false;
fStarterMatrix.reset();
}
GM::~GM() {}
void GM::draw(SkCanvas* canvas) {
this->drawBackground(canvas);
this->drawContent(canvas);
}
void GM::drawContent(SkCanvas* canvas) {
if (!fHaveCalledOnceBeforeDraw) {
fHaveCalledOnceBeforeDraw = true;
this->onOnceBeforeDraw();
}
this->onDraw(canvas);
}
void GM::drawBackground(SkCanvas* canvas) {
if (!fHaveCalledOnceBeforeDraw) {
fHaveCalledOnceBeforeDraw = true;
this->onOnceBeforeDraw();
}
this->onDrawBackground(canvas);
}
const char* GM::getName() {
if (fShortName.size() == 0) {
fShortName = this->onShortName();
}
return fShortName.c_str();
}
void GM::setBGColor(SkColor color) {
fBGColor = color;
}
bool GM::animate(const SkAnimTimer& timer) {
return this->onAnimate(timer);
}
/////////////////////////////////////////////////////////////////////////////////////////////
void GM::onDrawBackground(SkCanvas* canvas) {
canvas->drawColor(fBGColor, SkXfermode::kSrc_Mode);
}
void GM::drawSizeBounds(SkCanvas* canvas, SkColor color) {
SkISize size = this->getISize();
SkRect r = SkRect::MakeWH(SkIntToScalar(size.width()),
SkIntToScalar(size.height()));
SkPaint paint;
paint.setColor(color);
canvas->drawRect(r, paint);
}
void GM::drawGpuOnlyMessage(SkCanvas* canvas) {
SkBitmap bmp;
bmp.allocN32Pixels(128, 64);
SkCanvas bmpCanvas(bmp);
bmpCanvas.drawColor(SK_ColorWHITE);
SkPaint paint;
paint.setAntiAlias(true);
paint.setTextSize(20);
paint.setColor(SK_ColorRED);
static const char kTxt[] = "GPU Only";
bmpCanvas.drawText(kTxt, strlen(kTxt), 20, 40, paint);
SkMatrix localM;
localM.setRotate(35.f);
localM.postTranslate(10.f, 0.f);
SkAutoTUnref<SkShader> shader(SkShader::CreateBitmapShader(bmp, SkShader::kMirror_TileMode,
SkShader::kMirror_TileMode,
&localM));
paint.setShader(shader);
paint.setFilterQuality(kMedium_SkFilterQuality);
canvas->drawPaint(paint);
return;
}
// need to explicitly declare this, or we get some weird infinite loop llist
template GMRegistry* GMRegistry::gHead;
void skiagm::SimpleGM::onDraw(SkCanvas* canvas) {
fDrawProc(canvas);
}
SkISize skiagm::SimpleGM::onISize() {
return fSize;
}
SkString skiagm::SimpleGM::onShortName() {
return fName;
}