blob: 1b16ac4862fbe2ee8f92a3dd7d0d6c9dd0cc08e9 [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"
#include "core/fpdfapi/parser/cpdf_document.h"
CPDF_ShadingObject::CPDF_ShadingObject(CPDF_ShadingPattern* pattern,
const CFX_Matrix& matrix)
: m_pShading(pattern), m_Matrix(matrix) {}
CPDF_ShadingObject::~CPDF_ShadingObject() {}
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();
} else {
std::tie(m_Left, m_Right, m_Top, m_Bottom) =
matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom);
}
}
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;
CFX_FloatRect rect = m_ClipPath.GetClipBox();
m_Left = rect.left;
m_Bottom = rect.bottom;
m_Right = rect.right;
m_Top = rect.top;
}