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third_party
skia
docs
examples
Matrix_mapVectors.cpp
Go to the documentation of this file.
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// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "
tools/fiddle/examples.h
"
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// HASH=918a9778c3d7d5cb306692784399f6dc
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REG_FIDDLE
(Matrix_mapVectors, 256, 256,
false
, 0) {
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void
draw
(
SkCanvas
* 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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SkMatrix
matrix;
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matrix.reset();
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const
SkVector
radii[] = {{8, 4}, {9, 1}, {6, 2}, {7, 3}};
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for
(
int
i = 0; i < 4; ++i) {
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SkVector
rScaled[4];
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matrix.preScale(1.5f, 2.f);
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matrix.mapVectors(rScaled, radii, std::size(radii));
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SkRRect
rrect;
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rrect.
setRectRadii
({20, 20, 180, 70}, rScaled);
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canvas->
drawRRect
(rrect,
paint
);
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canvas->
translate
(0, 60);
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}
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}
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}
// END FIDDLE
draw
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition
aaclip.cpp:27
SkCanvas
Definition
SkCanvas.h:106
SkCanvas::translate
void translate(SkScalar dx, SkScalar dy)
Definition
SkCanvas.cpp:1602
SkCanvas::drawRRect
void drawRRect(const SkRRect &rrect, const SkPaint &paint)
Definition
SkCanvas.cpp:2029
SkMatrix
Definition
SkMatrix.h:54
SkPaint
Definition
SkPaint.h:44
SkPaint::kStroke_Style
@ kStroke_Style
set to stroke geometry
Definition
SkPaint.h:194
SkRRect
Definition
SkRRect.h:35
SkRRect::setRectRadii
void setRectRadii(const SkRect &rect, const SkVector radii[4])
Definition
SkRRect.cpp:189
paint
const Paint & paint
Definition
color_source.cc:38
examples.h
REG_FIDDLE
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition
examples.h:60
SkPoint
Definition
SkPoint_impl.h:163
Generated on Fri Apr 26 2024 06:15:43 for Flutter Engine by
1.9.8