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/*
* Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "FillLayer.h"
namespace WebCore {
FillLayer::FillLayer(EFillLayerType type)
: m_image(FillLayer::initialFillImage(type))
, m_xPosition(FillLayer::initialFillXPosition(type))
, m_yPosition(FillLayer::initialFillYPosition(type))
, m_attachment(FillLayer::initialFillAttachment(type))
, m_clip(FillLayer::initialFillClip(type))
, m_origin(FillLayer::initialFillOrigin(type))
, m_repeat(FillLayer::initialFillRepeat(type))
, m_composite(FillLayer::initialFillComposite(type))
, m_size(FillLayer::initialFillSize(type))
, m_imageSet(false)
, m_attachmentSet(false)
, m_clipSet(false)
, m_originSet(false)
, m_repeatSet(false)
, m_xPosSet(false)
, m_yPosSet(false)
, m_compositeSet(type == MaskFillLayer)
, m_sizeSet(false)
, m_type(type)
, m_next(0)
{
}
FillLayer::FillLayer(const FillLayer& o)
: m_image(o.m_image)
, m_xPosition(o.m_xPosition)
, m_yPosition(o.m_yPosition)
, m_attachment(o.m_attachment)
, m_clip(o.m_clip)
, m_origin(o.m_origin)
, m_repeat(o.m_repeat)
, m_composite(o.m_composite)
, m_size(o.m_size)
, m_imageSet(o.m_imageSet)
, m_attachmentSet(o.m_attachmentSet)
, m_clipSet(o.m_clipSet)
, m_originSet(o.m_originSet)
, m_repeatSet(o.m_repeatSet)
, m_xPosSet(o.m_xPosSet)
, m_yPosSet(o.m_yPosSet)
, m_compositeSet(o.m_compositeSet)
, m_sizeSet(o.m_sizeSet)
, m_type(o.m_type)
, m_next(o.m_next ? new FillLayer(*o.m_next) : 0)
{
}
FillLayer::~FillLayer()
{
delete m_next;
}
FillLayer& FillLayer::operator=(const FillLayer& o)
{
if (m_next != o.m_next) {
delete m_next;
m_next = o.m_next ? new FillLayer(*o.m_next) : 0;
}
m_image = o.m_image;
m_xPosition = o.m_xPosition;
m_yPosition = o.m_yPosition;
m_attachment = o.m_attachment;
m_clip = o.m_clip;
m_composite = o.m_composite;
m_origin = o.m_origin;
m_repeat = o.m_repeat;
m_size = o.m_size;
m_imageSet = o.m_imageSet;
m_attachmentSet = o.m_attachmentSet;
m_clipSet = o.m_clipSet;
m_compositeSet = o.m_compositeSet;
m_originSet = o.m_originSet;
m_repeatSet = o.m_repeatSet;
m_xPosSet = o.m_xPosSet;
m_yPosSet = o.m_yPosSet;
m_sizeSet = o.m_sizeSet;
m_type = o.m_type;
return *this;
}
bool FillLayer::operator==(const FillLayer& o) const
{
// We do not check the "isSet" booleans for each property, since those are only used during initial construction
// to propagate patterns into layers. All layer comparisons happen after values have all been filled in anyway.
return StyleImage::imagesEquivalent(m_image.get(), o.m_image.get()) && m_xPosition == o.m_xPosition && m_yPosition == o.m_yPosition &&
m_attachment == o.m_attachment && m_clip == o.m_clip &&
m_composite == o.m_composite && m_origin == o.m_origin && m_repeat == o.m_repeat &&
m_size == o.m_size && m_type == o.m_type &&
((m_next && o.m_next) ? *m_next == *o.m_next : m_next == o.m_next);
}
void FillLayer::fillUnsetProperties()
{
FillLayer* curr;
for (curr = this; curr && curr->isImageSet(); curr = curr->next()) { }
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (FillLayer* pattern = this; curr; curr = curr->next()) {
curr->m_image = pattern->m_image;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isXPositionSet(); curr = curr->next()) { }
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (FillLayer* pattern = this; curr; curr = curr->next()) {
curr->m_xPosition = pattern->m_xPosition;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isYPositionSet(); curr = curr->next()) { }
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (FillLayer* pattern = this; curr; curr = curr->next()) {
curr->m_yPosition = pattern->m_yPosition;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isAttachmentSet(); curr = curr->next()) { }
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (FillLayer* pattern = this; curr; curr = curr->next()) {
curr->m_attachment = pattern->m_attachment;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isClipSet(); curr = curr->next()) { }
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (FillLayer* pattern = this; curr; curr = curr->next()) {
curr->m_clip = pattern->m_clip;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isCompositeSet(); curr = curr->next()) { }
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (FillLayer* pattern = this; curr; curr = curr->next()) {
curr->m_composite = pattern->m_composite;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isOriginSet(); curr = curr->next()) { }
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (FillLayer* pattern = this; curr; curr = curr->next()) {
curr->m_origin = pattern->m_origin;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isRepeatSet(); curr = curr->next()) { }
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (FillLayer* pattern = this; curr; curr = curr->next()) {
curr->m_repeat = pattern->m_repeat;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isSizeSet(); curr = curr->next()) { }
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (FillLayer* pattern = this; curr; curr = curr->next()) {
curr->m_size = pattern->m_size;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
}
void FillLayer::cullEmptyLayers()
{
FillLayer* next;
for (FillLayer* p = this; p; p = next) {
next = p->m_next;
if (next && !next->isImageSet() &&
!next->isXPositionSet() && !next->isYPositionSet() &&
!next->isAttachmentSet() && !next->isClipSet() &&
!next->isCompositeSet() && !next->isOriginSet() &&
!next->isRepeatSet() && !next->isSizeSet()) {
delete next;
p->m_next = 0;
break;
}
}
}
bool FillLayer::containsImage(StyleImage* s) const
{
if (!s)
return false;
if (m_image && *s == *m_image)
return true;
if (m_next)
return m_next->containsImage(s);
return false;
}
} // namespace WebCore