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third_party
skia
docs
examples
Matrix_mapPoints.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=f99dcb00296d0c56b6c0e178e94b3534
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REG_FIDDLE
(Matrix_mapPoints, 256, 256,
false
, 0) {
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void
draw
(
SkCanvas
* canvas) {
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SkMatrix
matrix;
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matrix.reset();
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const
int
count
= 4;
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SkPoint
src[
count
];
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matrix.mapRectToQuad(src, {40, 70, 180, 220} );
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SkPaint
paint
;
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paint
.setARGB(77, 23, 99, 154);
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for
(
int
i = 0; i < 5; ++i) {
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SkPoint
dst[
count
];
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matrix.mapPoints(dst, src,
count
);
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canvas->
drawPoints
(
SkCanvas::kPolygon_PointMode
,
count
, dst,
paint
);
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matrix.preRotate(35, 128, 128);
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}
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}
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}
// END FIDDLE
count
int count
Definition
FontMgrTest.cpp:50
draw
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition
aaclip.cpp:27
SkCanvas
Definition
SkCanvas.h:106
SkCanvas::drawPoints
void drawPoints(PointMode mode, size_t count, const SkPoint pts[], const SkPaint &paint)
Definition
SkCanvas.cpp:2034
SkCanvas::kPolygon_PointMode
@ kPolygon_PointMode
draw the array of points as a open polygon
Definition
SkCanvas.h:1243
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
SkPoint
Definition
SkPoint_impl.h:163
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1.9.8