blob: 908e641b61c8204252c3d9d852c7238811c0de2b [file] [log] [blame]
// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "core/fpdfapi/page/cpdf_shadingobject.h"
#include "core/fpdfapi/page/cpdf_shadingpattern.h"
CPDF_ShadingObject::CPDF_ShadingObject(int32_t content_stream,
CPDF_ShadingPattern* pattern,
const CFX_Matrix& matrix)
: CPDF_PageObject(content_stream), m_pShading(pattern), m_Matrix(matrix) {}
CPDF_ShadingObject::~CPDF_ShadingObject() = default;
CPDF_PageObject::Type CPDF_ShadingObject::GetType() const {
return SHADING;
}
void CPDF_ShadingObject::Transform(const CFX_Matrix& matrix) {
if (m_ClipPath.HasRef())
m_ClipPath.Transform(matrix);
m_Matrix.Concat(matrix);
if (m_ClipPath.HasRef()) {
CalcBoundingBox();
return;
}
SetRect(matrix.TransformRect(GetRect()));
}
bool CPDF_ShadingObject::IsShading() const {
return true;
}
CPDF_ShadingObject* CPDF_ShadingObject::AsShading() {
return this;
}
const CPDF_ShadingObject* CPDF_ShadingObject::AsShading() const {
return this;
}
void CPDF_ShadingObject::CalcBoundingBox() {
if (!m_ClipPath.HasRef())
return;
SetRect(m_ClipPath.GetClipBox());
}