forked from openkylin/kolourpaint
111 lines
3.6 KiB
C++
111 lines
3.6 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.
|
|
*/
|
|
|
|
// REFACTOR: maybe make us and kpAbstractSelection share a new kpLayer base?
|
|
|
|
|
|
#ifndef kpTempImage_H
|
|
#define kpTempImage_H
|
|
|
|
|
|
#include <QPoint>
|
|
|
|
#include "imagelib/kpImage.h"
|
|
|
|
|
|
class kpViewManager;
|
|
|
|
|
|
class kpTempImage
|
|
{
|
|
public:
|
|
// REFACTOR: Extract into class hierarchy.
|
|
enum RenderMode
|
|
{
|
|
SetImage,
|
|
PaintImage,
|
|
UserFunction
|
|
};
|
|
|
|
// REFACTOR: Function pointers imply a need for a proper class hierarchy.
|
|
typedef void (*UserFunctionType) (kpImage * /*destImage*/,
|
|
const QPoint & /*topLeft*/,
|
|
void * /*userData*/);
|
|
|
|
/*
|
|
* <isBrush> Specifies that its visibility is dependent on whether or
|
|
* not the mouse cursor is inside a view. If false, the
|
|
* image is always displayed.
|
|
*
|
|
* <userFunction> This is the only way of specifying the "UserFunction"
|
|
* <renderMode>. <userFunction> must not draw outside
|
|
* the claimed rectangle.
|
|
*/
|
|
kpTempImage (bool isBrush, RenderMode renderMode, const QPoint &topLeft, const kpImage &image);
|
|
kpTempImage (bool isBrush, const QPoint &topLeft,
|
|
UserFunctionType userFunction, void *userData,
|
|
int width, int height);
|
|
kpTempImage (const kpTempImage &rhs);
|
|
kpTempImage &operator= (const kpTempImage &rhs);
|
|
|
|
bool isBrush () const;
|
|
RenderMode renderMode () const;
|
|
QPoint topLeft () const;
|
|
kpImage image () const;
|
|
UserFunctionType userFunction () const;
|
|
void *userData () const;
|
|
|
|
bool isVisible (const kpViewManager *vm) const;
|
|
QRect rect () const;
|
|
int width () const;
|
|
int height () const;
|
|
|
|
|
|
// Returns whether a call to paint() may add a mask to <*destImage>.
|
|
bool paintMayAddMask () const;
|
|
|
|
/*
|
|
* Draws itself onto <*destImage>, given that <*destImage> represents
|
|
* the unzoomed <docRect> of the kpDocument. You should check for
|
|
* visibility before calling this function.
|
|
*/
|
|
void paint (kpImage *destImage, const QRect &docRect) const;
|
|
|
|
private:
|
|
bool m_isBrush;
|
|
RenderMode m_renderMode;
|
|
QPoint m_topLeft;
|
|
kpImage m_image;
|
|
// == m_image.{width,height}() unless m_renderMode == UserFunction.
|
|
int m_width, m_height;
|
|
UserFunctionType m_userFunction;
|
|
void *m_userData;
|
|
};
|
|
|
|
|
|
#endif // kpTempImage_H
|