зеркало из https://github.com/mozilla/moz-skia.git
change to complexclip_bw and complexclip_aa, adding more combinations as well
git-svn-id: http://skia.googlecode.com/svn/trunk@2833 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com
Родитель
3d0835b6ac
Коммит
a8f60f2502
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@ -13,19 +13,27 @@
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namespace skiagm {
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static const SkColor gPathColor = SK_ColorBLACK;
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static const SkColor gClipAColor = SK_ColorBLUE;
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static const SkColor gClipBColor = SK_ColorRED;
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class ComplexClipGM : public GM {
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bool fDoAAClip;
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public:
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ComplexClipGM() {
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this->setBGColor(SkColorSetRGB(0xA0,0xDD,0xA0));
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ComplexClipGM(bool aaclip) : fDoAAClip(aaclip) {
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this->setBGColor(0xFFDDDDDD);
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// this->setBGColor(SkColorSetRGB(0xB0,0xDD,0xB0));
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}
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protected:
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SkString onShortName() {
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return SkString("complexclip");
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SkString str;
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str.printf("complexclip_%s", fDoAAClip ? "aa" : "bw");
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return str;
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}
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SkISize onISize() { return make_isize(550, 1000); }
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SkISize onISize() { return make_isize(970, 780); }
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virtual void onDraw(SkCanvas* canvas) {
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SkPath path;
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@ -44,10 +52,9 @@ protected:
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path.lineTo(SkIntToScalar(50), SkIntToScalar(150));
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path.close();
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path.setFillType(SkPath::kEvenOdd_FillType);
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SkColor pathColor = SK_ColorBLACK;
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SkPaint pathPaint;
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pathPaint.setAntiAlias(true);
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pathPaint.setColor(pathColor);
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pathPaint.setColor(gPathColor);
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SkPath clipA;
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clipA.moveTo(SkIntToScalar(10), SkIntToScalar(20));
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@ -56,7 +63,6 @@ protected:
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clipA.lineTo(SkIntToScalar(165), SkIntToScalar(177));
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clipA.lineTo(SkIntToScalar(-5), SkIntToScalar(180));
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clipA.close();
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SkColor colorA = SK_ColorCYAN;
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SkPath clipB;
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clipB.moveTo(SkIntToScalar(40), SkIntToScalar(10));
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@ -65,20 +71,10 @@ protected:
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clipB.lineTo(SkIntToScalar(40), SkIntToScalar(185));
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clipB.lineTo(SkIntToScalar(155), SkIntToScalar(100));
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clipB.close();
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SkColor colorB = SK_ColorRED;
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeWidth(0);
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canvas->translate(SkIntToScalar(10),SkIntToScalar(10));
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canvas->drawPath(path, pathPaint);
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paint.setColor(colorA);
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canvas->drawPath(clipA, paint);
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paint.setColor(colorB);
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canvas->drawPath(clipB, paint);
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paint.setTextSize(SkIntToScalar(20));
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static const struct {
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SkRegion::Op fOp;
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@ -91,65 +87,77 @@ protected:
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{SkRegion::kReverseDifference_Op, "RDiff "}
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};
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canvas->translate(0, SkIntToScalar(40));
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canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
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canvas->scale(3 * SK_Scalar1 / 4, 3 * SK_Scalar1 / 4);
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canvas->save();
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for (int invA = 0; invA < 2; ++invA) {
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for (int invBits = 0; invBits < 4; ++invBits) {
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canvas->save();
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for (size_t op = 0; op < SK_ARRAY_COUNT(gOps); ++op) {
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int idx = invA * SK_ARRAY_COUNT(gOps) + op;
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if (!(idx % 3)) {
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canvas->restore();
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canvas->translate(0, SkIntToScalar(250));
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canvas->save();
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}
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this->drawHairlines(canvas, path, clipA, clipB);
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bool doInvA = SkToBool(invBits & 1);
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bool doInvB = SkToBool(invBits & 2);
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canvas->save();
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// set clip
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clipA.setFillType(invA ? SkPath::kInverseEvenOdd_FillType :
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SkPath::kEvenOdd_FillType);
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canvas->clipPath(clipA);
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canvas->clipPath(clipB, gOps[op].fOp);
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clipA.setFillType(doInvA ? SkPath::kInverseEvenOdd_FillType :
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SkPath::kEvenOdd_FillType);
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clipB.setFillType(doInvB ? SkPath::kInverseEvenOdd_FillType :
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SkPath::kEvenOdd_FillType);
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canvas->clipPath(clipA, SkRegion::kIntersect_Op, fDoAAClip);
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canvas->clipPath(clipB, gOps[op].fOp, fDoAAClip);
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// draw path clipped
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canvas->drawPath(path, pathPaint);
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canvas->restore();
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// draw path in hairline
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paint.setColor(pathColor);
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canvas->drawPath(path, paint);
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// draw clips in hair line
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paint.setColor(colorA);
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canvas->drawPath(clipA, paint);
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paint.setColor(colorB);
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canvas->drawPath(clipB, paint);
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paint.setTextSize(SkIntToScalar(20));
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SkScalar txtX = SkIntToScalar(55);
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paint.setColor(colorA);
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const char* aTxt = invA ? "InverseA " : "A ";
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SkScalar txtX = SkIntToScalar(45);
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paint.setColor(gClipAColor);
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const char* aTxt = doInvA ? "InvA " : "A ";
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canvas->drawText(aTxt, strlen(aTxt), txtX, SkIntToScalar(220), paint);
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txtX += paint.measureText(aTxt, strlen(aTxt));
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paint.setColor(SK_ColorBLACK);
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canvas->drawText(gOps[op].fName, strlen(gOps[op].fName),
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txtX, SkIntToScalar(220), paint);
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txtX += paint.measureText(gOps[op].fName, strlen(gOps[op].fName));
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paint.setColor(colorB);
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canvas->drawText("B", 1, txtX, SkIntToScalar(220), paint);
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paint.setColor(gClipBColor);
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const char* bTxt = doInvB ? "InvB " : "B ";
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canvas->drawText(bTxt, strlen(bTxt), txtX, SkIntToScalar(220), paint);
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canvas->translate(SkIntToScalar(250),0);
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}
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canvas->restore();
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canvas->translate(0, SkIntToScalar(250));
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}
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canvas->restore();
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}
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private:
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void drawHairlines(SkCanvas* canvas, const SkPath& path,
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const SkPath& clipA, const SkPath& clipB) {
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setStyle(SkPaint::kStroke_Style);
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const SkAlpha fade = 0x33;
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// draw path in hairline
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paint.setColor(gPathColor); paint.setAlpha(fade);
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canvas->drawPath(path, paint);
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// draw clips in hair line
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paint.setColor(gClipAColor); paint.setAlpha(fade);
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canvas->drawPath(clipA, paint);
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paint.setColor(gClipBColor); paint.setAlpha(fade);
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canvas->drawPath(clipB, paint);
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}
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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 ComplexClipGM; }
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static GMRegistry reg(MyFactory);
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static GM* gFact0(void*) { return new ComplexClipGM(false); }
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static GM* gFact1(void*) { return new ComplexClipGM(true); }
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static GMRegistry gReg0(gFact0);
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static GMRegistry gReg1(gFact1);
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}
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