From 47d455dd55be855e4cc691c32f687f723d9247ee Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kolourpaint/tools/kptoolcrop.cpp | 335 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 335 insertions(+) create mode 100644 kolourpaint/tools/kptoolcrop.cpp (limited to 'kolourpaint/tools/kptoolcrop.cpp') diff --git a/kolourpaint/tools/kptoolcrop.cpp b/kolourpaint/tools/kptoolcrop.cpp new file mode 100644 index 00000000..8cc6e880 --- /dev/null +++ b/kolourpaint/tools/kptoolcrop.cpp @@ -0,0 +1,335 @@ + +/* + Copyright (c) 2003,2004,2005 Clarence Dang + 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_CROP 0 + + +#include + +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + + +kpSelection selectionBorderAndMovedTo0_0 (const kpSelection &sel) +{ + kpSelection borderSel = sel; + + borderSel.setPixmap (QPixmap ()); // only interested in border + borderSel.moveTo (QPoint (0, 0)); + + return borderSel; +} + + +// +// kpToolCropSetImageCommand +// + +class kpToolCropSetImageCommand : public kpCommand +{ +public: + kpToolCropSetImageCommand (kpMainWindow *mainWindow); + virtual ~kpToolCropSetImageCommand (); + + /* (uninteresting child of macro cmd) */ + virtual QString name () const { return QString::null; } + + virtual int size () const + { + return kpPixmapFX::pixmapSize (m_oldPixmap) + + kpPixmapFX::selectionSize (m_fromSelection) + + kpPixmapFX::pixmapSize (m_pixmapIfFromSelectionDoesntHaveOne); + } + + virtual void execute (); + virtual void unexecute (); + +protected: + kpColor m_backgroundColor; + QPixmap m_oldPixmap; + kpSelection m_fromSelection; + QPixmap m_pixmapIfFromSelectionDoesntHaveOne; +}; + + +kpToolCropSetImageCommand::kpToolCropSetImageCommand (kpMainWindow *mainWindow) + : kpCommand (mainWindow), + m_backgroundColor (mainWindow ? mainWindow->backgroundColor () : kpColor::invalid), + m_fromSelection (*mainWindow->document ()->selection ()), + m_pixmapIfFromSelectionDoesntHaveOne ( + m_fromSelection.pixmap () ? + QPixmap () : + mainWindow->document ()->getSelectedPixmap ()) +{ +} + +kpToolCropSetImageCommand::~kpToolCropSetImageCommand () +{ +} + + +// public virtual [base kpCommand] +void kpToolCropSetImageCommand::execute () +{ +#if DEBUG_KP_TOOL_CROP + kdDebug () << "kpToolCropSetImageCommand::execute()" << endl; +#endif + + viewManager ()->setQueueUpdates (); + { + m_oldPixmap = kpPixmapFX::getPixmapAt (*document ()->pixmap (), + QRect (0, 0, m_fromSelection.width (), m_fromSelection.height ())); + + + // + // e.g. original elliptical selection: + // + // t/---\ T = original transparent selection pixel + // | TT | t = outside the selection region + // t\__/t [every other character] = original opaque selection pixel + // + // Afterwards, the _document_ image becomes: + // + // b/---\ T = [unchanged] + // | TT | b = background color + // b\__/b [every other character] = [unchanged] + // + // The selection is deleted. + // + // TODO: Do not introduce a mask if the result will not contain + // any transparent pixels. + // + + QPixmap newDocPixmap (m_fromSelection.width (), m_fromSelection.height ()); + kpPixmapFX::fill (&newDocPixmap, m_backgroundColor); + + #if DEBUG_KP_TOOL_CROP + kdDebug () << "\tsel: rect=" << m_fromSelection.boundingRect () + << " pm=" << m_fromSelection.pixmap () + << endl; + #endif + QPixmap selTransparentPixmap; + + if (m_fromSelection.pixmap ()) + { + selTransparentPixmap = m_fromSelection.transparentPixmap (); + #if DEBUG_KP_TOOL_CROP + kdDebug () << "\thave pixmap; rect=" + << selTransparentPixmap.rect () + << endl; + #endif + } + else + { + selTransparentPixmap = m_pixmapIfFromSelectionDoesntHaveOne; + #if DEBUG_KP_TOOL_CROP + kdDebug () << "\tno pixmap in sel - get it; rect=" + << selTransparentPixmap.rect () + << endl; + #endif + } + + kpPixmapFX::paintMaskTransparentWithBrush (&newDocPixmap, + QPoint (0, 0), + m_fromSelection.maskForOwnType ()); + + kpPixmapFX::paintPixmapAt (&newDocPixmap, + QPoint (0, 0), + selTransparentPixmap); + + + document ()->setPixmapAt (newDocPixmap, QPoint (0, 0)); + document ()->selectionDelete (); + + + if (mainWindow ()->tool ()) + m_mainWindow->tool ()->somethingBelowTheCursorChanged (); + } + viewManager ()->restoreQueueUpdates (); +} + +// public virtual [base kpCommand] +void kpToolCropSetImageCommand::unexecute () +{ +#if DEBUG_KP_TOOL_CROP + kdDebug () << "kpToolCropSetImageCommand::unexecute()" << endl; +#endif + + viewManager ()->setQueueUpdates (); + { + document ()->setPixmapAt (m_oldPixmap, QPoint (0, 0)); + m_oldPixmap.resize (0, 0); + + #if DEBUG_KP_TOOL_CROP + kdDebug () << "\tsel: rect=" << m_fromSelection.boundingRect () + << " pm=" << m_fromSelection.pixmap () + << endl; + #endif + document ()->setSelection (m_fromSelection); + + if (mainWindow ()->tool ()) + m_mainWindow->tool ()->somethingBelowTheCursorChanged (); + } + viewManager ()->restoreQueueUpdates (); +} + + +// +// kpToolCropCommand +// + + +class kpToolCropCommand : public kpMacroCommand +{ +public: + kpToolCropCommand (kpMainWindow *mainWindow); + virtual ~kpToolCropCommand (); +}; + + +kpToolCropCommand::kpToolCropCommand (kpMainWindow *mainWindow) + : kpMacroCommand (i18n ("Set as Image"), mainWindow) +{ +#if DEBUG_KP_TOOL_CROP + kdDebug () << "kpToolCropCommand::()" << endl; +#endif + + if (!mainWindow || + !mainWindow->document () || + !mainWindow->document ()->selection ()) + { + kdError () << "kpToolCropCommand::kpToolCropCommand() without sel" << endl; + return; + } + + kpSelection *sel = mainWindow->document ()->selection (); + + +#if DEBUG_KP_TOOL_CROP + kdDebug () << "\tsel: w=" << sel->width () + << " h=" << sel->height () + << " <- resizing doc to these dimen" << endl; +#endif + + // (must resize doc _before_ kpToolCropSetImageCommand in case doc + // needs to gets bigger - else pasted down pixmap may not fit) + addCommand ( + new kpToolResizeScaleCommand ( + false/*act on doc, not sel*/, + sel->width (), sel->height (), + kpToolResizeScaleCommand::Resize, + mainWindow)); + + + if (sel->isText ()) + { + #if DEBUG_KP_TOOL_CROP + kdDebug () << "\tisText" << endl; + kdDebug () << "\tclearing doc with trans cmd" << endl; + #endif + addCommand ( + new kpToolClearCommand ( + false/*act on doc*/, + kpColor::transparent, + mainWindow)); + + #if DEBUG_KP_TOOL_CROP + kdDebug () << "\tmoving sel to (0,0) cmd" << endl; + #endif + kpToolSelectionMoveCommand *moveCmd = + new kpToolSelectionMoveCommand ( + QString::null/*uninteresting child of macro cmd*/, + mainWindow); + moveCmd->moveTo (QPoint (0, 0), true/*move on exec, not now*/); + moveCmd->finalize (); + addCommand (moveCmd); + } + else + { + #if DEBUG_KP_TOOL_CROP + kdDebug () << "\tis pixmap sel" << endl; + kdDebug () << "\tcreating SetImage cmd" << endl; + #endif + addCommand (new kpToolCropSetImageCommand (mainWindow)); + + #if 0 + addCommand ( + new kpToolSelectionCreateCommand ( + QString::null/*uninteresting child of macro cmd*/, + selectionBorderAndMovedTo0_0 (*sel), + mainWindow)); + #endif + } +} + +kpToolCropCommand::~kpToolCropCommand () +{ +} + + +void kpToolCrop (kpMainWindow *mainWindow) +{ + kpDocument *doc = mainWindow->document (); + if (!doc) + return; + + kpSelection *sel = doc ? doc->selection () : 0; + if (!sel) + return; + + + bool selWasText = sel->isText (); + kpSelection borderSel = selectionBorderAndMovedTo0_0 (*sel); + + + mainWindow->addImageOrSelectionCommand ( + new kpToolCropCommand (mainWindow), + true/*add create cmd*/, + false/*don't add pull cmd*/); + + + if (!selWasText) + { + mainWindow->commandHistory ()->addCommand ( + new kpToolSelectionCreateCommand ( + i18n ("Selection: Create"), + borderSel, + mainWindow)); + } +} -- cgit v1.2.1