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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 "SkCanvas.h"
#include "SkPath.h"
#include "SkRandom.h"
namespace skiagm {
class ComplexClip2GM : public GM {
public:
ComplexClip2GM() {
SkScalar xA = 0 * SK_Scalar1;
SkScalar xB = 10 * SK_Scalar1;
SkScalar xC = 20 * SK_Scalar1;
SkScalar xD = 30 * SK_Scalar1;
SkScalar xE = 40 * SK_Scalar1;
SkScalar xF = 50 * SK_Scalar1;
SkScalar yA = 0 * SK_Scalar1;
SkScalar yB = 10 * SK_Scalar1;
SkScalar yC = 20 * SK_Scalar1;
SkScalar yD = 30 * SK_Scalar1;
SkScalar yE = 40 * SK_Scalar1;
SkScalar yF = 50 * SK_Scalar1;
fWidth = xF - xA;
fHeight = yF - yA;
fRects[0].fLeft = xB;
fRects[0].fTop = yB;
fRects[0].fRight = xE;
fRects[0].fBottom = yE;
fRectColors[0] = SK_ColorRED;
fRects[1].fLeft = xA;
fRects[1].fTop = yA;
fRects[1].fRight = xD;
fRects[1].fBottom = yD;
fRectColors[1] = SK_ColorGREEN;
fRects[2].fLeft = xC;
fRects[2].fTop = yA;
fRects[2].fRight = xF;
fRects[2].fBottom = yD;
fRectColors[2] = SK_ColorBLUE;
fRects[3].fLeft = xA;
fRects[3].fTop = yC;
fRects[3].fRight = xD;
fRects[3].fBottom = yF;
fRectColors[3] = SK_ColorYELLOW;
fRects[4].fLeft = xC;
fRects[4].fTop = yC;
fRects[4].fRight = xF;
fRects[4].fBottom = yF;
fRectColors[4] = SK_ColorCYAN;
fTotalWidth = kCols * fWidth + SK_Scalar1 * (kCols + 1) * kPadX;
fTotalHeight = kRows * fHeight + SK_Scalar1 * (kRows + 1) * kPadY;
}
virtual bool validForPicture() const { return false; }
protected:
static const int kRows = 5;
static const int kCols = 5;
static const int kPadX = 20;
static const int kPadY = 20;
SkString onShortName() {
return SkString("complexclip2");
}
SkISize onISize() { return make_isize(fTotalWidth, fTotalHeight); }
void drawBG(SkCanvas* canvas) {
canvas->drawColor(SkColorSetRGB(0xDD,0xA0,0xDD));
SkRegion::Op ops[] = {
SkRegion::kDifference_Op,
SkRegion::kIntersect_Op,
SkRegion::kUnion_Op,
SkRegion::kXOR_Op,
SkRegion::kReverseDifference_Op,
SkRegion::kReplace_Op,
};
SkRandom r;
for (int i = 0; i < kRows; ++i) {
for (int j = 0; j < kCols; ++j) {
for (int k = 0; k < 5; ++k) {
fOps[j*kRows+i][k] = ops[r.nextU() % SK_ARRAY_COUNT(ops)];
}
}
}
}
virtual void onDraw(SkCanvas* canvas) {
this->drawBG(canvas);
SkPaint rectPaint;
rectPaint.setStyle(SkPaint::kStroke_Style);
rectPaint.setStrokeWidth(-1);
SkPaint fillPaint;
fillPaint.setColor(SkColorSetRGB(0xA0,0xDD,0xA0));
for (int i = 0; i < kRows; ++i) {
for (int j = 0; j < kCols; ++j) {
canvas->save();
canvas->translate(kPadX * SK_Scalar1 + (fWidth + kPadX * SK_Scalar1)*j,
kPadY * SK_Scalar1 + (fHeight + kPadY * SK_Scalar1)*i);
canvas->save();
for (int k = 0; k < 5; ++k) {
canvas->clipRect(fRects[k], fOps[j*kRows+i][k]);
}
canvas->drawRect(SkRect::MakeWH(fWidth, fHeight), fillPaint);
canvas->restore();
for (int k = 0; k < 5; ++k) {
rectPaint.setColor(fRectColors[k]);
canvas->drawRect(fRects[k], rectPaint);
}
canvas->restore();
}
}
}
private:
SkRect fRects[5];
SkColor fRectColors[5];
SkRegion::Op fOps[kRows * kCols][5];
SkScalar fWidth;
SkScalar fHeight;
SkScalar fTotalWidth;
SkScalar fTotalHeight;
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new ComplexClip2GM; }
static GMRegistry reg(MyFactory);
}
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