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/*
* Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/modules/canvas/canvas2d/canvas_pattern.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/public/common/privacy_budget/identifiable_token.h"
#include "third_party/blink/renderer/core/geometry/dom_matrix_read_only.h"
#include "third_party/blink/renderer/modules/canvas/canvas2d/identifiability_study_helper.h"
#include "third_party/blink/renderer/platform/bindings/exception_code.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/graphics/image.h"
#include "third_party/blink/renderer/platform/graphics/pattern.h"
#include "third_party/blink/renderer/platform/heap/visitor.h"
#include "third_party/blink/renderer/platform/wtf/text/string_operators.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
class DOMMatrix2DInit;
class ExecutionContext;
Pattern::RepeatMode CanvasPattern::ParseRepetitionType(
const String& type,
ExceptionState& exception_state) {
if (type.empty() || type == "repeat")
return Pattern::kRepeatModeXY;
if (type == "no-repeat")
return Pattern::kRepeatModeNone;
if (type == "repeat-x")
return Pattern::kRepeatModeX;
if (type == "repeat-y")
return Pattern::kRepeatModeY;
exception_state.ThrowDOMException(
DOMExceptionCode::kSyntaxError,
"The provided type ('" + type +
"') is not one of 'repeat', 'no-repeat', 'repeat-x', or 'repeat-y'.");
return Pattern::kRepeatModeNone;
}
CanvasPattern::CanvasPattern(scoped_refptr<Image> image,
Pattern::RepeatMode repeat,
bool origin_clean)
: pattern_(Pattern::CreateImagePattern(image, repeat)),
origin_clean_(origin_clean) {
if (identifiability_study_helper_.ShouldUpdateBuilder()) [[unlikely]] {
identifiability_study_helper_.UpdateBuilder(
CanvasOps::kCreatePattern, image ? image->width() : 0,
image ? image->height() : 0, repeat);
}
}
void CanvasPattern::setTransform(DOMMatrix2DInit* transform,
ExceptionState& exception_state) {
DOMMatrixReadOnly* m =
DOMMatrixReadOnly::fromMatrix2D(transform, exception_state);
if (!m) {
return;
}
if (identifiability_study_helper_.ShouldUpdateBuilder()) [[unlikely]] {
identifiability_study_helper_.UpdateBuilder(m->m11(), m->m12(), m->m21(),
m->m22(), m->m41(), m->m42());
}
pattern_transform_ = m->GetAffineTransform();
}
IdentifiableToken CanvasPattern::GetIdentifiableToken() const {
return identifiability_study_helper_.GetToken();
}
void CanvasPattern::SetExecutionContext(ExecutionContext* context) {
identifiability_study_helper_.SetExecutionContext(context);
}
void CanvasPattern::Trace(Visitor* visitor) const {
visitor->Trace(identifiability_study_helper_);
ScriptWrappable::Trace(visitor);
}
} // namespace blink
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