skia2/gm/complexclip3.cpp
Ben Wagner 7fde8e1728 IWYU for gms.
This almost gets gms to be iwyu clean. The last bit is around gm.cpp
and the tracing framework and its use of atomic. Will also need a way
of keeping things from regressing, which is difficult due to needing to
do this outside-in.

Change-Id: I1393531e99da8b0f1a29f55c53c86d53f459af7d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211593
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
2019-05-02 17:48:53 +00:00

148 lines
4.9 KiB
C++

/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkClipOp.h"
#include "include/core/SkColor.h"
#include "include/core/SkFont.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPath.h"
#include "include/core/SkRect.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkTypeface.h"
#include "include/core/SkTypes.h"
#include "src/core/SkClipOpPriv.h"
#include "tools/ToolUtils.h"
#include <utility>
namespace skiagm {
constexpr SkColor gPathColor = SK_ColorYELLOW;
class ComplexClip3GM : public GM {
public:
ComplexClip3GM(bool doSimpleClipFirst)
: fDoSimpleClipFirst(doSimpleClipFirst) {
this->setBGColor(0xFFDDDDDD);
}
protected:
SkString onShortName() {
SkString str;
str.printf("complexclip3_%s", fDoSimpleClipFirst ? "simple" : "complex");
return str;
}
SkISize onISize() { return SkISize::Make(1000, 950); }
virtual void onDraw(SkCanvas* canvas) {
SkPath clipSimple;
clipSimple.addCircle(SkIntToScalar(70), SkIntToScalar(50), SkIntToScalar(20));
SkRect r1 = { 10, 20, 70, 80 };
SkPath clipComplex;
clipComplex.moveTo(SkIntToScalar(40), SkIntToScalar(50));
clipComplex.arcTo(r1, SkIntToScalar(30), SkIntToScalar(300), false);
clipComplex.close();
SkPath* firstClip = &clipSimple;
SkPath* secondClip = &clipComplex;
if (!fDoSimpleClipFirst) {
using std::swap;
swap(firstClip, secondClip);
}
SkPaint paint;
paint.setAntiAlias(true);
SkFont font(ToolUtils::create_portable_typeface(), 20);
constexpr struct {
SkClipOp fOp;
const char* fName;
} gOps[] = {
{kIntersect_SkClipOp, "I"},
{kDifference_SkClipOp, "D" },
{kUnion_SkClipOp, "U"},
{kXOR_SkClipOp, "X" },
{kReverseDifference_SkClipOp, "R"}
};
canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
canvas->scale(3 * SK_Scalar1 / 4, 3 * SK_Scalar1 / 4);
SkPaint pathPaint;
pathPaint.setAntiAlias(true);
pathPaint.setColor(gPathColor);
for (int invA = 0; invA < 2; ++invA) {
for (int aaBits = 0; aaBits < 4; ++aaBits) {
canvas->save();
for (size_t op = 0; op < SK_ARRAY_COUNT(gOps); ++op) {
for (int invB = 0; invB < 2; ++invB) {
bool doAAA = SkToBool(aaBits & 1);
bool doAAB = SkToBool(aaBits & 2);
bool doInvA = SkToBool(invA);
bool doInvB = SkToBool(invB);
canvas->save();
// set clip
firstClip->setFillType(doInvA ? SkPath::kInverseEvenOdd_FillType :
SkPath::kEvenOdd_FillType);
secondClip->setFillType(doInvB ? SkPath::kInverseEvenOdd_FillType :
SkPath::kEvenOdd_FillType);
canvas->clipPath(*firstClip, doAAA);
canvas->clipPath(*secondClip, gOps[op].fOp, doAAB);
// draw rect clipped
SkRect r = { 0, 0, 100, 100 };
canvas->drawRect(r, pathPaint);
canvas->restore();
SkScalar txtX = SkIntToScalar(10);
paint.setColor(SK_ColorBLACK);
SkString str;
str.printf("%s%s %s %s%s", doAAA ? "A" : "B",
doInvA ? "I" : "N",
gOps[op].fName,
doAAB ? "A" : "B",
doInvB ? "I" : "N");
canvas->drawString(str.c_str(), txtX, SkIntToScalar(130), font, paint);
if (doInvB) {
canvas->translate(SkIntToScalar(150),0);
} else {
canvas->translate(SkIntToScalar(120),0);
}
}
}
canvas->restore();
canvas->translate(0, SkIntToScalar(150));
}
}
}
private:
bool fDoSimpleClipFirst;
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
// Simple clip first
DEF_GM( return new ComplexClip3GM(true); )
// Complex clip first
DEF_GM( return new ComplexClip3GM(false); )
}