98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "imageareapanel.h"
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ImageAreaPanel::ImageAreaPanel () : before(NULL), after(NULL) {
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set_border_width (2);
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imageArea = new ImageArea (this);
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Gtk::HBox* hb1 = Gtk::manage (new Gtk::HBox ());
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Gtk::Frame* frame = Gtk::manage (new Gtk::Frame ());
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frame->add (*imageArea);
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frame->set_shadow_type (Gtk::SHADOW_IN );
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hb1->pack_start (*frame, Gtk::PACK_EXPAND_WIDGET);
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pack_start (*hb1);
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frame->show ();
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imageArea->show ();
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hb1->show ();
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}
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ImageAreaPanel::~ImageAreaPanel () {
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delete imageArea;
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}
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void ImageAreaPanel::syncBeforeAfterViews () {
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if (before && this==after)
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before->synchronize ();
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else if (after && this==before)
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after->synchronize ();
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queue_draw ();
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}
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void ImageAreaPanel::setBeforeAfterViews (ImageAreaPanel* bef, ImageAreaPanel* aft) {
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before = bef;
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after = aft;
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syncBeforeAfterViews ();
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}
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void ImageAreaPanel::zoomChanged () {
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if (after && this==before)
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after->imageArea->setZoom (imageArea->getZoom ());
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else if (before && this==after)
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before->imageArea->setZoom (imageArea->getZoom ());
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}
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void ImageAreaPanel::synchronize () {
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if (after && this==before) {
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int imgw, imgh, x, y;
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after->imageArea->getScrollImageSize (imgw, imgh);
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after->imageArea->getScrollPosition (x, y);
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if (imgw>0 && imgh>0) {
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int bimgw, bimgh;
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imageArea->getScrollImageSize (bimgw, bimgh);
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imageArea->setScrollPosition (x*bimgw/imgw, y*bimgh/imgh);
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imageArea->queue_draw ();
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}
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}
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else if (before && this==after) {
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int imgw, imgh, x, y;
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before->imageArea->getScrollImageSize (imgw, imgh);
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before->imageArea->getScrollPosition (x, y);
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if (imgw>0 && imgh>0) {
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int bimgw, bimgh;
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imageArea->getScrollImageSize (bimgw, bimgh);
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imageArea->setScrollPosition (x*bimgw/imgw, y*bimgh/imgh);
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imageArea->queue_draw ();
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}
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}
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}
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