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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm/gm.h"
#include "include/core/SkBlendMode.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPath.h"
#include "include/core/SkPicture.h"
#include "include/core/SkPictureRecorder.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
static sk_sp<SkPicture> make_picture() {
SkPictureRecorder rec;
SkCanvas* canvas = rec.beginRecording(100, 100);
SkPaint paint;
paint.setAntiAlias(true);
SkPath path;
paint.setColor(0x800000FF);
canvas->drawRect(SkRect::MakeWH(100, 100), paint);
paint.setColor(0x80FF0000);
path.moveTo(0, 0); path.lineTo(100, 0); path.lineTo(100, 100);
canvas->drawPath(path, paint);
paint.setColor(0x8000FF00);
path.reset(); path.moveTo(0, 0); path.lineTo(100, 0); path.lineTo(0, 100);
canvas->drawPath(path, paint);
paint.setColor(0x80FFFFFF);
paint.setBlendMode(SkBlendMode::kPlus);
canvas->drawRect(SkRect::MakeXYWH(25, 25, 50, 50), paint);
return rec.finishRecordingAsPicture();
}
// Exercise the optional arguments to drawPicture
//
class PictureGM : public skiagm::GM {
public:
PictureGM()
: fPicture(nullptr)
{}
protected:
void onOnceBeforeDraw() override {
fPicture = make_picture();
}
SkString onShortName() override {
return SkString("pictures");
}
SkISize onISize() override {
return SkISize::Make(450, 120);
}
void onDraw(SkCanvas* canvas) override {
canvas->translate(10, 10);
SkMatrix matrix;
SkPaint paint;
canvas->drawPicture(fPicture);
matrix.setTranslate(110, 0);
canvas->drawPicture(fPicture, &matrix, nullptr);
matrix.postTranslate(110, 0);
canvas->drawPicture(fPicture, &matrix, &paint);
paint.setAlphaf(0.5f);
matrix.postTranslate(110, 0);
canvas->drawPicture(fPicture, &matrix, &paint);
}
private:
sk_sp<SkPicture> fPicture;
typedef skiagm::GM INHERITED;
};
// Exercise drawing a picture with a cull rect of non-zero top-left corner.
//
// See skbug.com/9334, which would fail
// ```
// dm -m picture_cull_rect --config serialize-8888
// ```
// until that bug is fixed.
class PictureCullRectGM : public skiagm::GM {
public:
PictureCullRectGM()
: fPicture(nullptr)
{}
protected:
void onOnceBeforeDraw() override {
SkPictureRecorder rec;
SkRTreeFactory rtreeFactory;
SkCanvas* canvas = rec.beginRecording(100, 100, &rtreeFactory);
SkPaint paint;
paint.setAntiAlias(false);
SkRect rect = SkRect::MakeLTRB(0, 80, 100, 100);
// Make picture complex enough to trigger the cull rect and bbh (RTree) computations.
// (A single drawRect won't trigger it.)
paint.setColor(0x800000FF);
canvas->drawRect(rect, paint);
canvas->drawOval(rect, paint);
fPicture = rec.finishRecordingAsPicture();
SkASSERT(fPicture->cullRect().top() == 80);
}
SkString onShortName() override {
return SkString("picture_cull_rect");
}
SkISize onISize() override {
return SkISize::Make(120, 120);
}
void onDraw(SkCanvas* canvas) override {
canvas->clipRect(SkRect::MakeLTRB(0, 60, 120, 120));
canvas->translate(10, 10);
canvas->drawPicture(fPicture);
}
private:
sk_sp<SkPicture> fPicture;
typedef skiagm::GM INHERITED;
};
DEF_GM(return new PictureGM;)
DEF_GM(return new PictureCullRectGM;)
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