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third_party
skia
docs
examples
Region_Iterator_rewind.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=32d51e959d6cc720a74ec4822511e2cd
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REG_FIDDLE
(Region_Iterator_rewind, 256, 256,
true
, 0) {
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void
draw
(
SkCanvas
* canvas) {
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auto
debugster = [](
const
char
* label,
SkRegion::Iterator
& iter,
bool
addRewind) ->
void
{
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if
(addRewind) {
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bool
success = iter.rewind();
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SkDebugf
(
"%14s rewind success=%s\n"
, label, success ?
"true"
:
"false"
);
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}
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auto
r = iter.rect();
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SkDebugf
(
"%14s rect={%d,%d,%d,%d}\n"
, label, r.fLeft, r.fTop, r.fRight, r.fBottom);
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};
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SkRegion::Iterator
iter;
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debugster(
"empty iter"
, iter,
true
);
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SkRegion
region;
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iter.reset(region);
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debugster(
"empty region"
, iter,
true
);
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region.
setRect
({1, 2, 3, 4});
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iter.reset(region);
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debugster(
"after set rect"
, iter,
false
);
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debugster(
"after rewind"
, iter,
true
);
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}
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}
// END FIDDLE
SkDebugf
void SK_SPI SkDebugf(const char format[],...) SK_PRINTF_LIKE(1
draw
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition
aaclip.cpp:27
SkCanvas
Definition
SkCanvas.h:106
SkRegion::Iterator
Definition
SkRegion.h:447
SkRegion
Definition
SkRegion.h:30
SkRegion::setRect
bool setRect(const SkIRect &rect)
Definition
SkRegion.cpp:192
examples.h
REG_FIDDLE
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition
examples.h:60
Generated on Fri Apr 26 2024 06:15:53 for Flutter Engine by
1.9.8