forked from openkylin/kolourpaint
145 lines
4.2 KiB
C++
145 lines
4.2 KiB
C++
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/*
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Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define DEBUG_KP_ZOOMED_THUMBNAIL_VIEW 0
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#include "views/kpZoomedThumbnailView.h"
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#include "kpLogCategories.h"
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#include "document/kpDocument.h"
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#include "views/manager/kpViewManager.h"
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#include <KLocalizedString>
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//--------------------------------------------------------------------------------
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kpZoomedThumbnailView::kpZoomedThumbnailView (kpDocument *document,
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kpToolToolBar *toolToolBar,
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kpViewManager *viewManager,
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kpView *buddyView,
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kpViewScrollableContainer *scrollableContainer,
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QWidget *parent )
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: kpThumbnailView (document, toolToolBar, viewManager,
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buddyView,
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scrollableContainer,
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parent)
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{
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// Call to virtual function - this is why the class is sealed
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adjustToEnvironment ();
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}
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kpZoomedThumbnailView::~kpZoomedThumbnailView () = default;
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// public virtual [base kpThumbnailView]
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QString kpZoomedThumbnailView::caption () const
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{
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return i18n ("%1% - Thumbnail", zoomLevelX ());
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}
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// public slot virtual [base kpView]
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void kpZoomedThumbnailView::adjustToEnvironment ()
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{
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#if DEBUG_KP_ZOOMED_THUMBNAIL_VIEW
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qCDebug(kpLogViews) << "kpZoomedThumbnailView(" << name ()
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<< ")::adjustToEnvironment()"
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<< " width=" << width ()
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<< " height=" << height ()
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<< endl;
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#endif
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if (!document ()) {
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return;
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}
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#if DEBUG_KP_ZOOMED_THUMBNAIL_VIEW
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qCDebug(kpLogViews) << "\tdoc: width=" << document ()->width ()
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<< " height=" << document ()->height ()
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<< endl;
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#endif
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if (document ()->width () <= 0 || document ()->height () <= 0)
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{
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qCCritical(kpLogViews) << "kpZoomedThumbnailView::adjustToEnvironment() doc:"
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<< " width=" << document ()->width ()
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<< " height=" << document ()->height ();
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return;
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}
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int hzoom = qMax (1, width () * 100 / document ()->width ());
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int vzoom = qMax (1, height () * 100 / document ()->height ());
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// keep aspect ratio
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if (hzoom < vzoom) {
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vzoom = hzoom;
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}
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else {
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hzoom = vzoom;
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}
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#if DEBUG_KP_ZOOMED_THUMBNAIL_VIEW && 1
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qCDebug(kpLogViews) << "\tproposed zoom=" << hzoom;
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#endif
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if (hzoom > 100 || vzoom > 100)
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{
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#if DEBUG_KP_ZOOMED_THUMBNAIL_VIEW && 1
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qCDebug(kpLogViews) << "\twon't magnify - setting zoom to 100%";
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#endif
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hzoom = 100;
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vzoom = 100;
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}
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if (viewManager ()) {
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viewManager ()->setQueueUpdates ();
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}
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{
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setZoomLevel (hzoom, vzoom);
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setOrigin (QPoint ((width () - zoomedDocWidth ()) / 2,
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(height () - zoomedDocHeight ()) / 2));
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setMaskToCoverDocument ();
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if (viewManager ()) {
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viewManager ()->updateView (this);
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}
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}
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if (viewManager ()) {
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viewManager ()->restoreQueueUpdates ();
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}
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}
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