forked from openkylin/kolourpaint
124 lines
3.4 KiB
C++
124 lines
3.4 KiB
C++
|
|
/*
|
|
Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
|
|
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 THE AUTHOR ``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 THE AUTHOR 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.
|
|
*/
|
|
|
|
|
|
#define DEBUG_KP_TOOL_POLYGON 0
|
|
|
|
|
|
#include "kpToolPolygonalCommand.h"
|
|
|
|
#include "document/kpDocument.h"
|
|
#include "kpDefs.h"
|
|
#include "imagelib/kpImage.h"
|
|
|
|
|
|
struct kpToolPolygonalCommandPrivate
|
|
{
|
|
kpToolPolygonalBase::DrawShapeFunc drawShapeFunc{};
|
|
|
|
QPolygon points;
|
|
QRect boundingRect;
|
|
|
|
kpColor fcolor;
|
|
int penWidth{};
|
|
kpColor bcolor;
|
|
|
|
kpImage oldImage;
|
|
};
|
|
|
|
kpToolPolygonalCommand::kpToolPolygonalCommand (const QString &name,
|
|
kpToolPolygonalBase::DrawShapeFunc drawShapeFunc,
|
|
const QPolygon &points,
|
|
const QRect &boundingRect,
|
|
const kpColor &fcolor, int penWidth,
|
|
const kpColor &bcolor,
|
|
kpCommandEnvironment *environ)
|
|
|
|
: kpNamedCommand (name, environ),
|
|
d (new kpToolPolygonalCommandPrivate ())
|
|
{
|
|
d->drawShapeFunc = drawShapeFunc;
|
|
|
|
d->points = points;
|
|
d->boundingRect = boundingRect;
|
|
|
|
d->fcolor = fcolor;
|
|
d->penWidth = penWidth;
|
|
d->bcolor = bcolor;
|
|
}
|
|
|
|
kpToolPolygonalCommand::~kpToolPolygonalCommand ()
|
|
{
|
|
delete d;
|
|
}
|
|
|
|
|
|
// public virtual [base kpCommand]
|
|
kpCommandSize::SizeType kpToolPolygonalCommand::size () const
|
|
{
|
|
return PolygonSize (d->points) +
|
|
ImageSize (d->oldImage);
|
|
}
|
|
|
|
// public virtual [base kpCommand]
|
|
void kpToolPolygonalCommand::execute ()
|
|
{
|
|
kpDocument *doc = document ();
|
|
Q_ASSERT (doc);
|
|
|
|
// Store Undo info.
|
|
Q_ASSERT (d->oldImage.isNull ());
|
|
d->oldImage = doc->getImageAt (d->boundingRect);
|
|
|
|
// Invoke shape drawing function passed in ctor.
|
|
kpImage image = d->oldImage;
|
|
|
|
QPolygon pointsTranslated = d->points;
|
|
pointsTranslated.translate (-d->boundingRect.x (), -d->boundingRect.y ());
|
|
|
|
(*d->drawShapeFunc) (&image,
|
|
pointsTranslated,
|
|
d->fcolor, d->penWidth,
|
|
d->bcolor,
|
|
true/*final shape*/);
|
|
|
|
doc->setImageAt (image, d->boundingRect.topLeft ());
|
|
}
|
|
|
|
// public virtual [base kpCommand]
|
|
void kpToolPolygonalCommand::unexecute ()
|
|
{
|
|
kpDocument *doc = document ();
|
|
Q_ASSERT (doc);
|
|
|
|
Q_ASSERT (!d->oldImage.isNull ());
|
|
doc->setImageAt (d->oldImage, d->boundingRect.topLeft ());
|
|
|
|
d->oldImage = kpImage ();
|
|
}
|
|
|