зеркало из https://github.com/mozilla/moz-skia.git
Add complex clip gm sample and cleanup unused headers/code in SampleComplexClip
git-svn-id: http://skia.googlecode.com/svn/trunk@919 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
bsalomon@google.com
Родитель
498a623e2e
Коммит
807cec4397
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#include "gm.h"
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#include "SkCanvas.h"
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//#include "SkParsePath.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 ComplexClipGM : public GM {
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public:
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ComplexClipGM() {
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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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}
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SkISize onISize() { return make_isize(550, 1000); }
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void drawBG(SkCanvas* canvas) {
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canvas->drawColor(SkColorSetRGB(0xA0,0xDD,0xA0));
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}
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virtual void onDraw(SkCanvas* canvas) {
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SkPath path;
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path.moveTo(SkIntToScalar(0), SkIntToScalar(50));
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path.quadTo(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(50), SkIntToScalar(0));
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path.lineTo(SkIntToScalar(175), SkIntToScalar(0));
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path.quadTo(SkIntToScalar(200), SkIntToScalar(0), SkIntToScalar(200), SkIntToScalar(25));
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path.lineTo(SkIntToScalar(200), SkIntToScalar(150));
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path.quadTo(SkIntToScalar(200), SkIntToScalar(200), SkIntToScalar(150), SkIntToScalar(200));
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path.lineTo(SkIntToScalar(0), SkIntToScalar(200));
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path.close();
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path.moveTo(SkIntToScalar(50), SkIntToScalar(50));
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path.lineTo(SkIntToScalar(150), SkIntToScalar(50));
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path.lineTo(SkIntToScalar(150), SkIntToScalar(125));
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path.quadTo(SkIntToScalar(150), SkIntToScalar(150), SkIntToScalar(125), SkIntToScalar(150));
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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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SkPath clipA;
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clipA.moveTo(SkIntToScalar(10), SkIntToScalar(20));
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clipA.lineTo(SkIntToScalar(165), SkIntToScalar(22));
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clipA.lineTo(SkIntToScalar(70), SkIntToScalar(105));
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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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clipB.lineTo(SkIntToScalar(190), SkIntToScalar(15));
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clipB.lineTo(SkIntToScalar(195), SkIntToScalar(190));
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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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drawBG(canvas);
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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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static const struct {
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SkRegion::Op fOp;
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const char* fName;
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} gOps[] = { //extra spaces in names for measureText
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{SkRegion::kIntersect_Op, "Isect "},
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{SkRegion::kDifference_Op, "Diff " },
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{SkRegion::kUnion_Op, "Union "},
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{SkRegion::kXOR_Op, "Xor " },
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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->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 (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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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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// 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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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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canvas->translate(SkIntToScalar(250),0);
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}
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}
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canvas->restore();
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}
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private:
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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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}
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@ -1,13 +1,14 @@
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SOURCE := \
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bitmapfilters.cpp \
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blurs.cpp \
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filltypes.cpp \
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gradients.cpp \
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points.cpp \
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poly2poly.cpp \
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shadows.cpp \
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shapes.cpp \
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tilemodes.cpp \
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xfermodes.cpp \
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shadertext.cpp \
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gmmain.cpp
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bitmapfilters.cpp \
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blurs.cpp \
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filltypes.cpp \
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gradients.cpp \
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points.cpp \
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poly2poly.cpp \
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shadows.cpp \
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shapes.cpp \
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tilemodes.cpp \
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xfermodes.cpp \
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shadertext.cpp \
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complexclip.cpp \
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gmmain.cpp
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@ -1,34 +1,9 @@
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#include "SampleCode.h"
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#include "SkCanvas.h"
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#include "SkParsePath.h"
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#include "SkPath.h"
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#include "SkRandom.h"
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#include "SkView.h"
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static void scale_to_width(SkPath* path, SkScalar dstWidth) {
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const SkRect& bounds = path->getBounds();
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SkScalar scale = dstWidth / bounds.width();
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SkMatrix matrix;
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matrix.setScale(scale, scale);
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path->transform(matrix);
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}
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static const struct {
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SkPaint::Style fStyle;
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SkPaint::Join fJoin;
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int fStrokeWidth;
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} gRec[] = {
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{ SkPaint::kFill_Style, SkPaint::kMiter_Join, 0 },
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{ SkPaint::kStroke_Style, SkPaint::kMiter_Join, 0 },
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{ SkPaint::kStroke_Style, SkPaint::kMiter_Join, 10 },
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{ SkPaint::kStrokeAndFill_Style, SkPaint::kMiter_Join, 10 },
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};
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#define TEST_INVERSE 1
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class ComplexClipView : public SkView {
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SkScalar fWidth;
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public:
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ComplexClipView() {
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}
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@ -116,8 +91,7 @@ protected:
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canvas->scale(3 * SK_Scalar1 / 4, 3 * SK_Scalar1 / 4);
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canvas->save();
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int invALimit = TEST_INVERSE ? 2 : 1;
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for (int invA = 0; invA < invALimit; ++invA) {
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for (int invA = 0; invA < 2; ++invA) {
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for (int 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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