File indexing completed on 2024-05-19 04:22:59

 
 /*
    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.
 */
 
 
 #include "layers/tempImage/kpTempImage.h"
 
 #include "pixmapfx/kpPixmapFX.h"
 #include "views/manager/kpViewManager.h"
 
 
 //---------------------------------------------------------------------
 
 kpTempImage::kpTempImage (bool isBrush, RenderMode renderMode,
         const QPoint &topLeft, const kpImage &image)
     : m_isBrush (isBrush),
       m_renderMode (renderMode),
       m_topLeft (topLeft),
       m_image (image),
       m_width (image.width ()), m_height (image.height ()),
       m_userFunction (nullptr),
       m_userData (nullptr)
 {
     // Use below constructor for that.
     Q_ASSERT (renderMode != UserFunction);
 }
 
 //---------------------------------------------------------------------
 
 kpTempImage::kpTempImage (bool isBrush, const QPoint &topLeft,
         UserFunctionType userFunction, void *userData,
         int width, int height)
     : m_isBrush (isBrush),
       m_renderMode (UserFunction),
       m_topLeft (topLeft),
       m_width (width), m_height (height),
       m_userFunction (userFunction),
       m_userData (userData)
 {
     Q_ASSERT (m_userFunction);
 }
 
 //---------------------------------------------------------------------
 
 kpTempImage::kpTempImage (const kpTempImage &rhs)
     : m_isBrush (rhs.m_isBrush),
       m_renderMode (rhs.m_renderMode),
       m_topLeft (rhs.m_topLeft),
       m_image (rhs.m_image),
       m_width (rhs.m_width), m_height (rhs.m_height),
       m_userFunction (rhs.m_userFunction),
       m_userData (rhs.m_userData)
 {
 }
 
 //---------------------------------------------------------------------
 
 kpTempImage &kpTempImage::operator= (const kpTempImage &rhs)
 {
     if (this == &rhs) {
         return *this;
     }
 
     m_isBrush = rhs.m_isBrush;
     m_renderMode = rhs.m_renderMode;
     m_topLeft = rhs.m_topLeft;
     m_image = rhs.m_image;
     m_width = rhs.m_width;
     m_height = rhs.m_height;
     m_userFunction = rhs.m_userFunction;
     m_userData = rhs.m_userData;
 
     return *this;
 }
 
 //---------------------------------------------------------------------
 
 // public
 bool kpTempImage::isBrush () const
 {
     return m_isBrush;
 }
 
 //---------------------------------------------------------------------
 
 // public
 kpTempImage::RenderMode kpTempImage::renderMode () const
 {
     return m_renderMode;
 }
 
 //---------------------------------------------------------------------
 
 // public
 QPoint kpTempImage::topLeft () const
 {
     return m_topLeft;
 }
 
 //---------------------------------------------------------------------
 
 // public
 kpImage kpTempImage::image () const
 {
     return m_image;
 }
 
 //---------------------------------------------------------------------
 
 // public
 kpTempImage::UserFunctionType kpTempImage::userFunction () const
 {
     return m_userFunction;
 }
 
 //---------------------------------------------------------------------
 
 // public
 void *kpTempImage::userData () const
 {
     return m_userData;
 }
 
 //---------------------------------------------------------------------
 
 // public
 bool kpTempImage::isVisible (const kpViewManager *vm) const
 {
     return m_isBrush ? static_cast<bool> (vm->viewUnderCursor ()) : true;
 }
 
 //---------------------------------------------------------------------
 
 // public
 QRect kpTempImage::rect () const
 {
     return  {m_topLeft.x (), m_topLeft.y (), m_width, m_height};
 }
 
 //---------------------------------------------------------------------
 
 // public
 int kpTempImage::width () const
 {
     return m_width;
 }
 
 //---------------------------------------------------------------------
 
 // public
 int kpTempImage::height () const
 {
     return m_height;
 }
 
 //---------------------------------------------------------------------
 
 // public
 bool kpTempImage::paintMayAddMask () const
 {
     return (m_renderMode == SetImage ||
             m_renderMode == UserFunction);
 }
 
 //---------------------------------------------------------------------
 
 // public
 void kpTempImage::paint (kpImage *destImage, const QRect &docRect) const
 {
     const QPoint REL_TOP_LEFT = m_topLeft - docRect.topLeft ();
 
     switch (m_renderMode)
     {
       case SetImage:
       {
         kpPixmapFX::setPixmapAt(destImage, REL_TOP_LEFT, m_image);
         break;
       }
 
       case PaintImage:
       {
         kpPixmapFX::paintPixmapAt(destImage, REL_TOP_LEFT, m_image);
         break;
       }
 
       case UserFunction:
       {
         m_userFunction(destImage, REL_TOP_LEFT, m_userData);
         break;
       }
     }
 }
 
 //---------------------------------------------------------------------