574f29dfa7
Review URL: http://codereview.appspot.com/4974048/ git-svn-id: http://skia.googlecode.com/svn/trunk@2186 2bbb7eff-a529-9590-31e7-b0007b416f81
138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
/*
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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 "SkCanvas.h"
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#include "SkPath.h"
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#include "SkRandom.h"
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namespace skiagm {
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class ComplexClip2GM : public GM {
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public:
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ComplexClip2GM() {
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SkScalar xA = 0 * SK_Scalar1;
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SkScalar xB = 10 * SK_Scalar1;
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SkScalar xC = 20 * SK_Scalar1;
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SkScalar xD = 30 * SK_Scalar1;
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SkScalar xE = 40 * SK_Scalar1;
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SkScalar xF = 50 * SK_Scalar1;
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SkScalar yA = 0 * SK_Scalar1;
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SkScalar yB = 10 * SK_Scalar1;
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SkScalar yC = 20 * SK_Scalar1;
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SkScalar yD = 30 * SK_Scalar1;
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SkScalar yE = 40 * SK_Scalar1;
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SkScalar yF = 50 * SK_Scalar1;
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fWidth = xF - xA;
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fHeight = yF - yA;
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fRects[0].set(xB, yB, xE, yE);
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fRectColors[0] = SK_ColorRED;
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fRects[1].set(xA, yA, xD, yD);
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fRectColors[1] = SK_ColorGREEN;
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fRects[2].set(xC, yA, xF, yD);
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fRectColors[2] = SK_ColorBLUE;
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fRects[3].set(xA, yC, xD, yF);
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fRectColors[3] = SK_ColorYELLOW;
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fRects[4].set(xC, yC, xF, yF);
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fRectColors[4] = SK_ColorCYAN;
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fTotalWidth = kCols * fWidth + SK_Scalar1 * (kCols + 1) * kPadX;
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fTotalHeight = kRows * fHeight + SK_Scalar1 * (kRows + 1) * kPadY;
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SkRegion::Op ops[] = {
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SkRegion::kDifference_Op,
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SkRegion::kIntersect_Op,
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SkRegion::kUnion_Op,
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SkRegion::kXOR_Op,
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SkRegion::kReverseDifference_Op,
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SkRegion::kReplace_Op,
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};
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SkRandom r;
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for (int i = 0; i < kRows; ++i) {
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for (int j = 0; j < kCols; ++j) {
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for (int k = 0; k < 5; ++k) {
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fOps[j*kRows+i][k] = ops[r.nextU() % SK_ARRAY_COUNT(ops)];
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}
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}
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}
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}
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virtual bool validForPicture() const { return false; }
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protected:
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static const int kRows = 5;
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static const int kCols = 5;
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static const int kPadX = 20;
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static const int kPadY = 20;
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SkString onShortName() {
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return SkString("complexclip2");
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}
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SkISize onISize() { return make_isize(fTotalWidth, fTotalHeight); }
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void drawBG(SkCanvas* canvas) {
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canvas->drawColor(SkColorSetRGB(0xDD,0xA0,0xDD));
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}
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virtual void onDraw(SkCanvas* canvas) {
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this->drawBG(canvas);
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SkPaint rectPaint;
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rectPaint.setStyle(SkPaint::kStroke_Style);
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rectPaint.setStrokeWidth(-1);
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SkPaint fillPaint;
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fillPaint.setColor(SkColorSetRGB(0xA0,0xDD,0xA0));
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for (int i = 0; i < kRows; ++i) {
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for (int j = 0; j < kCols; ++j) {
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canvas->save();
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canvas->translate(kPadX * SK_Scalar1 + (fWidth + kPadX * SK_Scalar1)*j,
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kPadY * SK_Scalar1 + (fHeight + kPadY * SK_Scalar1)*i);
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canvas->save();
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for (int k = 0; k < 5; ++k) {
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canvas->clipRect(fRects[k], fOps[j*kRows+i][k]);
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}
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canvas->drawRect(SkRect::MakeWH(fWidth, fHeight), fillPaint);
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canvas->restore();
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for (int k = 0; k < 5; ++k) {
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rectPaint.setColor(fRectColors[k]);
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canvas->drawRect(fRects[k], rectPaint);
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}
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canvas->restore();
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}
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}
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}
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private:
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SkRect fRects[5];
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SkColor fRectColors[5];
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SkRegion::Op fOps[kRows * kCols][5];
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SkScalar fWidth;
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SkScalar fHeight;
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SkScalar fTotalWidth;
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SkScalar fTotalHeight;
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static GM* MyFactory(void*) { return new ComplexClip2GM; }
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static GMRegistry reg(MyFactory);
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}
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