1f60733fb3
This reverts commit c80ee456ad
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fix: update flutter's gn file to add guard
Change-Id: Iac5171c8475d9a862d06255dab1c6f38f10de2f2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/291361
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
265 lines
9.0 KiB
C++
265 lines
9.0 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/gm.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkClipOp.h"
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#include "include/core/SkColor.h"
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#include "include/core/SkFont.h"
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#include "include/core/SkFontTypes.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkPath.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkScalar.h"
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#include "include/core/SkSize.h"
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#include "include/core/SkString.h"
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#include "include/core/SkTypeface.h"
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#include "include/core/SkTypes.h"
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#include "src/core/SkClipOpPriv.h"
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#include "tools/Resources.h"
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#include "tools/ToolUtils.h"
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#include <string.h>
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namespace skiagm {
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constexpr SkColor gPathColor = SK_ColorBLACK;
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constexpr SkColor gClipAColor = SK_ColorBLUE;
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constexpr SkColor gClipBColor = SK_ColorRED;
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class ComplexClipGM : public GM {
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public:
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ComplexClipGM(bool aaclip, bool saveLayer, bool invertDraw)
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: fDoAAClip(aaclip)
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, fDoSaveLayer(saveLayer)
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, fInvertDraw(invertDraw) {
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this->setBGColor(0xFFDEDFDE);
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}
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protected:
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SkString onShortName() override {
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SkString str;
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str.printf("complexclip_%s%s%s",
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fDoAAClip ? "aa" : "bw",
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fDoSaveLayer ? "_layer" : "",
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fInvertDraw ? "_invert" : "");
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return str;
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}
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SkISize onISize() override { return SkISize::Make(970, 780); }
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void onDraw(SkCanvas* canvas) override {
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SkPath path;
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path.moveTo(0, 50)
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.quadTo(0, 0, 50, 0)
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.lineTo(175, 0)
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.quadTo(200, 0, 200, 25)
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.lineTo(200, 150)
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.quadTo(200, 200, 150, 200)
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.lineTo(0, 200)
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.close()
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.moveTo(50, 50)
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.lineTo(150, 50)
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.lineTo(150, 125)
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.quadTo(150, 150, 125, 150)
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.lineTo(50, 150)
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.close();
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if (fInvertDraw) {
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path.setFillType(SkPathFillType::kInverseEvenOdd);
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} else {
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path.setFillType(SkPathFillType::kEvenOdd);
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}
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SkPaint pathPaint;
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pathPaint.setAntiAlias(true);
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pathPaint.setColor(gPathColor);
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SkPath clipA;
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clipA.addPoly({{10, 20}, {165, 22}, {70, 105}, {165, 177}, {-5, 180}}, false).close();
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SkPath clipB;
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clipB.addPoly({{40, 10}, {190, 15}, {195, 190}, {40, 185}, {155, 100}}, false).close();
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SkFont font(ToolUtils::create_portable_typeface(), 20);
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constexpr struct {
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SkClipOp fOp;
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const char* fName;
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} gOps[] = { //extra spaces in names for measureText
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{kIntersect_SkClipOp, "Isect "},
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{kDifference_SkClipOp, "Diff " },
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{kUnion_SkClipOp, "Union "},
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{kXOR_SkClipOp, "Xor " },
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{kReverseDifference_SkClipOp, "RDiff "}
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};
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canvas->translate(20, 20);
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canvas->scale(3 * SK_Scalar1 / 4, 3 * SK_Scalar1 / 4);
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if (fDoSaveLayer) {
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// We want the layer to appear symmetric relative to actual
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// device boundaries so we need to "undo" the effect of the
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// scale and translate
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SkRect bounds = SkRect::MakeLTRB(
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4.0f/3.0f * -20,
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4.0f/3.0f * -20,
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4.0f/3.0f * (this->getISize().fWidth - 20),
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4.0f/3.0f * (this->getISize().fHeight - 20));
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bounds.inset(100, 100);
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SkPaint boundPaint;
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boundPaint.setColor(SK_ColorRED);
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boundPaint.setStyle(SkPaint::kStroke_Style);
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canvas->drawRect(bounds, boundPaint);
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canvas->clipRect(bounds);
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canvas->saveLayer(&bounds, nullptr);
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}
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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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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(doInvA ? SkPathFillType::kInverseEvenOdd :
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SkPathFillType::kEvenOdd);
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clipB.setFillType(doInvB ? SkPathFillType::kInverseEvenOdd :
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SkPathFillType::kEvenOdd);
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canvas->clipPath(clipA, fDoAAClip);
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canvas->clipPath(clipB, gOps[op].fOp, fDoAAClip);
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// In the inverse case we need to prevent the draw from covering the whole
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// canvas.
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if (fInvertDraw) {
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SkRect rectClip = clipA.getBounds();
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rectClip.join(path.getBounds());
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rectClip.join(path.getBounds());
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rectClip.outset(5, 5);
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canvas->clipRect(rectClip);
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}
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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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SkPaint paint;
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SkScalar txtX = 45;
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paint.setColor(gClipAColor);
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const char* aTxt = doInvA ? "InvA " : "A ";
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canvas->drawSimpleText(aTxt, strlen(aTxt), SkTextEncoding::kUTF8, txtX, 220, font, paint);
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txtX += font.measureText(aTxt, strlen(aTxt), SkTextEncoding::kUTF8);
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paint.setColor(SK_ColorBLACK);
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canvas->drawSimpleText(gOps[op].fName, strlen(gOps[op].fName), SkTextEncoding::kUTF8, txtX, 220,
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font, paint);
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txtX += font.measureText(gOps[op].fName, strlen(gOps[op].fName), SkTextEncoding::kUTF8);
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paint.setColor(gClipBColor);
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const char* bTxt = doInvB ? "InvB " : "B ";
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canvas->drawSimpleText(bTxt, strlen(bTxt), SkTextEncoding::kUTF8, txtX, 220, font, paint);
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canvas->translate(250,0);
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}
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canvas->restore();
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canvas->translate(0, 250);
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}
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if (fDoSaveLayer) {
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canvas->restore();
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}
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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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bool fDoAAClip;
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bool fDoSaveLayer;
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bool fInvertDraw;
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM(return new ComplexClipGM(false, false, false);)
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DEF_GM(return new ComplexClipGM(false, false, true);)
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DEF_GM(return new ComplexClipGM(false, true, false);)
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DEF_GM(return new ComplexClipGM(false, true, true);)
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DEF_GM(return new ComplexClipGM(true, false, false);)
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DEF_GM(return new ComplexClipGM(true, false, true);)
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DEF_GM(return new ComplexClipGM(true, true, false);)
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DEF_GM(return new ComplexClipGM(true, true, true);)
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}
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DEF_SIMPLE_GM(clip_shader, canvas, 840, 650) {
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auto img = GetResourceAsImage("images/yellow_rose.png");
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auto sh = img->makeShader();
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SkRect r = SkRect::MakeIWH(img->width(), img->height());
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SkPaint p;
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canvas->translate(10, 10);
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canvas->drawImage(img, 0, 0, nullptr);
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canvas->save();
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canvas->translate(img->width() + 10, 0);
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canvas->clipShader(sh, SkClipOp::kIntersect);
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p.setColor(SK_ColorRED);
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canvas->drawRect(r, p);
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canvas->restore();
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canvas->save();
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canvas->translate(0, img->height() + 10);
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canvas->clipShader(sh, SkClipOp::kDifference);
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p.setColor(SK_ColorGREEN);
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canvas->drawRect(r, p);
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canvas->restore();
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canvas->save();
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canvas->translate(img->width() + 10, img->height() + 10);
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canvas->clipShader(sh, SkClipOp::kIntersect);
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canvas->save();
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SkMatrix lm = SkMatrix::Scale(1.0f/5, 1.0f/5);
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canvas->clipShader(img->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat, &lm));
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canvas->drawImage(img, 0, 0, nullptr);
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canvas->restore();
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canvas->restore();
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}
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DEF_SIMPLE_GM(clip_shader_layer, canvas, 430, 320) {
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auto img = GetResourceAsImage("images/yellow_rose.png");
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auto sh = img->makeShader();
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SkRect r = SkRect::MakeIWH(img->width(), img->height());
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canvas->translate(10, 10);
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// now add the cool clip
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canvas->clipRect(r);
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canvas->clipShader(sh);
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// now draw a layer with the same image, and watch it get restored w/ the clip
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canvas->saveLayer(&r, nullptr);
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canvas->drawColor(0xFFFF0000);
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canvas->restore();
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}
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