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third_party
skia
docs
examples
Matrix_mapRect.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=dbcf928b035a31ca69c99392e2e2cca9
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REG_FIDDLE
(Matrix_mapRect, 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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SkMatrix
matrix;
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matrix.setRotate(45, 128, 128);
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SkRect
rotatedBounds, bounds = {40, 50, 190, 200};
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matrix.mapRect(&rotatedBounds, bounds );
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paint
.setColor(
SK_ColorGRAY
);
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canvas->
drawRect
(rotatedBounds,
paint
);
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canvas->
concat
(matrix);
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paint
.setColor(
SK_ColorRED
);
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canvas->
drawRect
(bounds,
paint
);
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}
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}
// END FIDDLE
SK_ColorGRAY
constexpr SkColor SK_ColorGRAY
Definition
SkColor.h:113
SK_ColorRED
constexpr SkColor SK_ColorRED
Definition
SkColor.h:126
draw
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition
aaclip.cpp:27
SkCanvas
Definition
SkCanvas.h:106
SkCanvas::drawRect
void drawRect(const SkRect &rect, const SkPaint &paint)
Definition
SkCanvas.cpp:1997
SkCanvas::concat
void concat(const SkMatrix &matrix)
Definition
SkCanvas.cpp:1642
SkMatrix
Definition
SkMatrix.h:54
SkPaint
Definition
SkPaint.h:44
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
SkRect
Definition
extension.cpp:13
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