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skiagm::ComplexClipGM Class Reference
Inheritance diagram for skiagm::ComplexClipGM:
skiagm::GM

Public Member Functions

 ComplexClipGM (bool aaclip, bool saveLayer, bool invertDraw)
 
- Public Member Functions inherited from skiagm::GM
 GM (SkColor backgroundColor=SK_ColorWHITE)
 
virtual ~GM ()
 
void setMode (Mode mode)
 
Mode getMode () const
 
DrawResult gpuSetup (SkCanvas *, SkString *errorMsg, GraphiteTestContext *=nullptr)
 
void gpuTeardown ()
 
void onceBeforeDraw ()
 
DrawResult draw (SkCanvas *canvas)
 
DrawResult draw (SkCanvas *, SkString *errorMsg)
 
void drawBackground (SkCanvas *)
 
DrawResult drawContent (SkCanvas *canvas)
 
DrawResult drawContent (SkCanvas *, SkString *errorMsg)
 
virtual bool runAsBench () const
 
SkScalar width ()
 
SkScalar height ()
 
SkColor getBGColor () const
 
void setBGColor (SkColor)
 
void drawSizeBounds (SkCanvas *, SkColor)
 
bool animate (double)
 
virtual bool onChar (SkUnichar)
 
bool getControls (SkMetaData *controls)
 
void setControls (const SkMetaData &controls)
 
virtual void modifyGrContextOptions (GrContextOptions *)
 
virtual void modifyGraphiteContextOptions (skgpu::graphite::ContextOptions *) const
 
virtual bool isBazelOnly () const
 
virtual std::map< std::string, std::string > getGoldKeys () const
 

Protected Member Functions

SkString getName () const override
 
SkISize getISize () override
 
void onDraw (SkCanvas *canvas) override
 
- Protected Member Functions inherited from skiagm::GM
virtual DrawResult onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
 
virtual void onGpuTeardown ()
 
virtual void onOnceBeforeDraw ()
 
virtual DrawResult onDraw (SkCanvas *, SkString *errorMsg)
 
virtual bool onAnimate (double)
 
virtual bool onGetControls (SkMetaData *)
 
virtual void onSetControls (const SkMetaData &)
 
GraphiteTestContext * graphiteTestContext () const
 

Additional Inherited Members

- Public Types inherited from skiagm::GM
enum  Mode { kGM_Mode , kSample_Mode , kBench_Mode }
 
using DrawResult = skiagm::DrawResult
 
using GraphiteTestContext = skiatest::graphite::GraphiteTestContext
 
- Static Public Attributes inherited from skiagm::GM
static constexpr char kErrorMsg_DrawSkippedGpuOnly []
 

Detailed Description

Definition at line 38 of file complexclip.cpp.

Constructor & Destructor Documentation

◆ ComplexClipGM()

skiagm::ComplexClipGM::ComplexClipGM ( bool  aaclip,
bool  saveLayer,
bool  invertDraw 
)
inline

Definition at line 40 of file complexclip.cpp.

41 : fDoAAClip(aaclip)
42 , fDoSaveLayer(saveLayer)
43 , fInvertDraw(invertDraw) {
44 this->setBGColor(0xFFDEDFDE);
45 }
skiagm::GM::setBGColor
void setBGColor(SkColor)
Definition gm.cpp:159

Member Function Documentation

◆ getISize()

SkISize skiagm::ComplexClipGM::getISize ( )
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 57 of file complexclip.cpp.

57{ return SkISize::Make(388, 780); }
SkISize::Make
static constexpr SkISize Make(int32_t w, int32_t h)
Definition SkSize.h:20

◆ getName()

SkString skiagm::ComplexClipGM::getName ( ) const
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 48 of file complexclip.cpp.

48 {
49 SkString str;
50 str.printf("complexclip_%s%s%s",
51 fDoAAClip ? "aa" : "bw",
52 fDoSaveLayer ? "_layer" : "",
53 fInvertDraw ? "_invert" : "");
54 return str;
55 }
SkString::printf
void printf(const char format[],...) SK_PRINTF_LIKE(2
Definition SkString.cpp:534

◆ onDraw()

void skiagm::ComplexClipGM::onDraw ( SkCanvas *  canvas)
inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 59 of file complexclip.cpp.

59 {
60 SkPath path = SkPathBuilder()
61 .moveTo(0, 50)
62 .quadTo(0, 0, 50, 0)
63 .lineTo(175, 0)
64 .quadTo(200, 0, 200, 25)
65 .lineTo(200, 150)
66 .quadTo(200, 200, 150, 200)
67 .lineTo(0, 200)
68 .close()
69 .moveTo(50, 50)
70 .lineTo(150, 50)
71 .lineTo(150, 125)
72 .quadTo(150, 150, 125, 150)
73 .lineTo(50, 150)
74 .close()
75 .detach();
76 if (fInvertDraw) {
77 path.setFillType(SkPathFillType::kInverseEvenOdd);
78 } else {
79 path.setFillType(SkPathFillType::kEvenOdd);
80 }
81 SkPaint pathPaint;
82 pathPaint.setAntiAlias(true);
83 pathPaint.setColor(gPathColor);
84
85 SkPath clipA = SkPath::Polygon({{10, 20}, {165, 22}, {70, 105}, {165, 177}, {-5, 180}}, true);
86
87 SkPath clipB = SkPath::Polygon({{40, 10}, {190, 15}, {195, 190}, {40, 185}, {155, 100}}, true);
88
89 SkFont font(ToolUtils::DefaultPortableTypeface(), 20);
90
91 constexpr struct {
92 SkClipOp fOp;
93 const char* fName;
94 } gOps[] = { //extra spaces in names for measureText
95 {SkClipOp::kIntersect, "Isect "},
96 {SkClipOp::kDifference, "Diff " },
97 };
98
99 canvas->translate(20, 20);
100 canvas->scale(3 * SK_Scalar1 / 4, 3 * SK_Scalar1 / 4);
101
102 if (fDoSaveLayer) {
103 // We want the layer to appear symmetric relative to actual
104 // device boundaries so we need to "undo" the effect of the
105 // scale and translate
106 SkRect bounds = SkRect::MakeLTRB(
107 4.0f/3.0f * -20,
108 4.0f/3.0f * -20,
109 4.0f/3.0f * (this->getISize().fWidth - 20),
110 4.0f/3.0f * (this->getISize().fHeight - 20));
111
112 bounds.inset(100, 100);
113 SkPaint boundPaint;
114 boundPaint.setColor(SK_ColorRED);
115 boundPaint.setStyle(SkPaint::kStroke_Style);
116 canvas->drawRect(bounds, boundPaint);
117 canvas->clipRect(bounds);
118 canvas->saveLayer(&bounds, nullptr);
119 }
120
121 for (int invBits = 0; invBits < 4; ++invBits) {
122 canvas->save();
123 for (size_t op = 0; op < std::size(gOps); ++op) {
124 this->drawHairlines(canvas, path, clipA, clipB);
125
126 bool doInvA = SkToBool(invBits & 1);
127 bool doInvB = SkToBool(invBits & 2);
128 canvas->save();
129 // set clip
130 clipA.setFillType(doInvA ? SkPathFillType::kInverseEvenOdd :
131 SkPathFillType::kEvenOdd);
132 clipB.setFillType(doInvB ? SkPathFillType::kInverseEvenOdd :
133 SkPathFillType::kEvenOdd);
134 canvas->clipPath(clipA, fDoAAClip);
135 canvas->clipPath(clipB, gOps[op].fOp, fDoAAClip);
136
137 // In the inverse case we need to prevent the draw from covering the whole
138 // canvas.
139 if (fInvertDraw) {
140 SkRect rectClip = clipA.getBounds();
141 rectClip.join(path.getBounds());
142 rectClip.join(path.getBounds());
143 rectClip.outset(5, 5);
144 canvas->clipRect(rectClip);
145 }
146
147 // draw path clipped
148 canvas->drawPath(path, pathPaint);
149 canvas->restore();
150
151
152 SkPaint paint;
153 SkScalar txtX = 45;
154 paint.setColor(gClipAColor);
155 const char* aTxt = doInvA ? "InvA " : "A ";
156 canvas->drawSimpleText(aTxt, strlen(aTxt), SkTextEncoding::kUTF8, txtX, 220, font, paint);
157 txtX += font.measureText(aTxt, strlen(aTxt), SkTextEncoding::kUTF8);
158 paint.setColor(SK_ColorBLACK);
159 canvas->drawSimpleText(gOps[op].fName, strlen(gOps[op].fName), SkTextEncoding::kUTF8, txtX, 220,
160 font, paint);
161 txtX += font.measureText(gOps[op].fName, strlen(gOps[op].fName), SkTextEncoding::kUTF8);
162 paint.setColor(gClipBColor);
163 const char* bTxt = doInvB ? "InvB " : "B ";
164 canvas->drawSimpleText(bTxt, strlen(bTxt), SkTextEncoding::kUTF8, txtX, 220, font, paint);
165
166 canvas->translate(250,0);
167 }
168 canvas->restore();
169 canvas->translate(0, 250);
170 }
171
172 if (fDoSaveLayer) {
173 canvas->restore();
174 }
175 }
SkClipOp
SkClipOp
Definition SkClipOp.h:13
SK_ColorRED
constexpr SkColor SK_ColorRED
Definition SkColor.h:126
SK_ColorBLACK
constexpr SkColor SK_ColorBLACK
Definition SkColor.h:103
SkTextEncoding::kUTF8
@ kUTF8
uses bytes to represent UTF-8 or ASCII
SkPathFillType
SkPathFillType
Definition SkPathTypes.h:11
SK_Scalar1
#define SK_Scalar1
Definition SkScalar.h:18
SkToBool
static constexpr bool SkToBool(const T &x)
Definition SkTo.h:35
SkCanvas::saveLayer
int saveLayer(const SkRect *bounds, const SkPaint *paint)
Definition SkCanvas.cpp:500
SkCanvas::drawRect
void drawRect(const SkRect &rect, const SkPaint &paint)
Definition SkCanvas.cpp:1997
SkCanvas::clipRect
void clipRect(const SkRect &rect, SkClipOp op, bool doAntiAlias)
Definition SkCanvas.cpp:1685
SkCanvas::restore
void restore()
Definition SkCanvas.cpp:465
SkCanvas::drawSimpleText
void drawSimpleText(const void *text, size_t byteLength, SkTextEncoding encoding, SkScalar x, SkScalar y, const SkFont &font, const SkPaint &paint)
Definition SkCanvas.cpp:2840
SkCanvas::translate
void translate(SkScalar dx, SkScalar dy)
Definition SkCanvas.cpp:1602
SkCanvas::clipPath
void clipPath(const SkPath &path, SkClipOp op, bool doAntiAlias)
Definition SkCanvas.cpp:1780
SkCanvas::save
int save()
Definition SkCanvas.cpp:451
SkCanvas::drawPath
void drawPath(const SkPath &path, const SkPaint &paint)
Definition SkCanvas.cpp:2071
SkCanvas::scale
void scale(SkScalar sx, SkScalar sy)
Definition SkCanvas.cpp:1613
SkPaint::setStyle
void setStyle(Style style)
Definition SkPaint.cpp:105
SkPaint::setColor
void setColor(SkColor color)
Definition SkPaint.cpp:119
SkPaint::setAntiAlias
void setAntiAlias(bool aa)
Definition SkPaint.h:170
SkPaint::kStroke_Style
@ kStroke_Style
set to stroke geometry
Definition SkPaint.h:194
SkPathBuilder::close
SkPathBuilder & close()
Definition SkPathBuilder.cpp:155
SkPathBuilder::lineTo
SkPathBuilder & lineTo(SkPoint pt)
Definition SkPathBuilder.cpp:107
SkPathBuilder::moveTo
SkPathBuilder & moveTo(SkPoint pt)
Definition SkPathBuilder.cpp:95
SkPathBuilder::quadTo
SkPathBuilder & quadTo(SkPoint pt1, SkPoint pt2)
Definition SkPathBuilder.cpp:117
SkPath::setFillType
void setFillType(SkPathFillType ft)
Definition SkPath.h:235
SkPath::getBounds
const SkRect & getBounds() const
Definition SkPath.cpp:420
SkPath::Polygon
static SkPath Polygon(const SkPoint pts[], int count, bool isClosed, SkPathFillType=SkPathFillType::kWinding, bool isVolatile=false)
Definition SkPath.cpp:3546
skiagm::ComplexClipGM::getISize
SkISize getISize() override
Definition complexclip.cpp:57
paint
const Paint & paint
Definition color_source.cc:38
SkScalar
float SkScalar
Definition extension.cpp:12
SkRecords::bounds
Optional< SkRect > bounds
Definition SkRecords.h:189
ToolUtils::DefaultPortableTypeface
sk_sp< SkTypeface > DefaultPortableTypeface()
Definition FontToolUtils.cpp:195
flutter::path
DEF_SWITCHES_START aot vmservice shared library Name of the *so containing AOT compiled Dart assets for launching the service isolate vm snapshot The VM snapshot data that will be memory mapped as read only SnapshotAssetPath must be present isolate snapshot The isolate snapshot data that will be memory mapped as read only SnapshotAssetPath must be present cache dir path
Definition switches.h:57
gen_test_font.font
font
Font Metadata and Metrics.
Definition gen_test_font.py:26
skiagm::gPathColor
constexpr SkColor gPathColor
Definition complexclip.cpp:34
skiagm::fName
const char * fName
Definition gradients_2pt_conical.cpp:308
skiagm::gClipBColor
constexpr SkColor gClipBColor
Definition complexclip.cpp:36
skiagm::gClipAColor
constexpr SkColor gClipAColor
Definition complexclip.cpp:35
SkRect::outset
void outset(float dx, float dy)
Definition SkRect.h:1077
SkRect::join
void join(const SkRect &r)
Definition SkRect.cpp:126
SkRect::MakeLTRB
static constexpr SkRect MakeLTRB(float l, float t, float r, float b)
Definition SkRect.h:646
The documentation for this class was generated from the following file:
Generated on Fri Apr 26 2024 06:22:14 for Flutter Engine by doxygen 1.9.8