800 lines
26 KiB
C++
800 lines
26 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 "filebrowserentry.h"
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#include "thumbbrowserbase.h"
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#include "cursormanager.h"
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#include <iomanip>
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#include "guiutils.h"
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#include "threadutils.h"
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#include "../rtengine/safegtk.h"
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#include "inspector.h"
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#include <cstring>
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#define CROPRESIZEBORDER 4
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bool FileBrowserEntry::iconsLoaded(false);
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Glib::RefPtr<Gdk::Pixbuf> FileBrowserEntry::editedIcon;
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Glib::RefPtr<Gdk::Pixbuf> FileBrowserEntry::recentlySavedIcon;
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Glib::RefPtr<Gdk::Pixbuf> FileBrowserEntry::enqueuedIcon;
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FileBrowserEntry::FileBrowserEntry (Thumbnail* thm, const Glib::ustring& fname)
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: ThumbBrowserEntryBase (fname), wasInside(false), iatlistener(NULL), cropgl(NULL), state(SNormal)
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{
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thumbnail = thm;
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feih = new FileBrowserEntryIdleHelper;
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feih->fbentry = this;
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feih->destroyed = false;
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feih->pending = 0;
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italicstyle = thumbnail->getType() != FT_Raw;
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datetimeline = thumbnail->getDateTimeString ();
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exifline = thumbnail->getExifString ();
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scale = 1;
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if (!iconsLoaded) {
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editedIcon = safe_create_from_file ("edited.png");
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recentlySavedIcon = safe_create_from_file ("recent-save.png");
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enqueuedIcon = safe_create_from_file ("processing.png");
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iconsLoaded = true;
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}
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if (thm) {
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thm->addThumbnailListener (this);
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}
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}
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FileBrowserEntry::~FileBrowserEntry ()
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{
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// so jobs arriving now do nothing
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if (feih->pending) {
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feih->destroyed = true;
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} else {
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delete feih;
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feih = 0;
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}
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thumbImageUpdater->removeJobs (this);
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if (thumbnail) {
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thumbnail->removeThumbnailListener (this);
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thumbnail->decreaseRef ();
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}
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}
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void FileBrowserEntry::refreshThumbnailImage ()
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{
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if (!thumbnail) {
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return;
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}
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thumbImageUpdater->add (this, &updatepriority, false, this);
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}
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void FileBrowserEntry::refreshQuickThumbnailImage ()
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{
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if (!thumbnail) {
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return;
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}
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// Only make a (slow) processed preview if the picture has been edited at all
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bool upgrade_to_processed = (!options.internalThumbIfUntouched || thumbnail->isPParamsValid());
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thumbImageUpdater->add(this, &updatepriority, upgrade_to_processed, this);
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}
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void FileBrowserEntry::calcThumbnailSize ()
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{
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if (thumbnail) {
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thumbnail->getThumbnailSize (prew, preh);
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}
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}
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std::vector<Glib::RefPtr<Gdk::Pixbuf> > FileBrowserEntry::getIconsOnImageArea ()
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{
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std::vector<Glib::RefPtr<Gdk::Pixbuf> > ret;
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if (!thumbnail) {
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return ret;
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}
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if (thumbnail->hasProcParams() && editedIcon) {
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ret.push_back (editedIcon);
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}
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if (thumbnail->isRecentlySaved() && recentlySavedIcon) {
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ret.push_back (recentlySavedIcon);
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}
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if (thumbnail->isEnqueued () && enqueuedIcon) {
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ret.push_back (enqueuedIcon);
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}
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return ret;
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}
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void FileBrowserEntry::customBackBufferUpdate (Cairo::RefPtr<Cairo::Context> c)
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{
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if(scale != 1.0 && cropParams.enabled) { // somewhere in pipeline customBackBufferUpdate is called when scale == 1.0, which is nonsense for a thumb
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if (state == SCropSelecting || state == SResizeH1 || state == SResizeH2 || state == SResizeW1 || state == SResizeW2 || state == SResizeTL || state == SResizeTR || state == SResizeBL || state == SResizeBR || state == SCropMove) {
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drawCrop (c, prex, prey, prew, preh, 0, 0, scale, cropParams, true, false);
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} else {
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rtengine::procparams::CropParams cparams = thumbnail->getProcParams().crop;
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if (cparams.enabled && !thumbnail->isQuick()) { // Quick thumb have arbitrary sizes, so don't apply the crop
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drawCrop (c, prex, prey, prew, preh, 0, 0, scale, cparams, true, false);
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}
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}
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}
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}
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void FileBrowserEntry::getIconSize (int& w, int& h)
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{
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w = editedIcon->get_width ();
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h = editedIcon->get_height ();
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}
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FileThumbnailButtonSet* FileBrowserEntry::getThumbButtonSet ()
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{
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return (static_cast<FileThumbnailButtonSet*>(buttonSet));
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}
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void FileBrowserEntry::procParamsChanged (Thumbnail* thm, int whoChangedIt)
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{
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if ( thumbnail->isQuick() ) {
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refreshQuickThumbnailImage ();
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} else {
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refreshThumbnailImage ();
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}
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}
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struct tiupdate {
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FileBrowserEntryIdleHelper* feih;
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rtengine::IImage8* img;
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double scale;
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rtengine::procparams::CropParams cropParams;
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};
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int updateImageUI (void* data)
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{
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tiupdate* params = static_cast<tiupdate*>(data);
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FileBrowserEntryIdleHelper* feih = params->feih;
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if (feih->destroyed) {
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if (feih->pending == 1) {
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delete feih;
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} else {
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feih->pending--;
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}
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params->img->free ();
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delete params;
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return 0;
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}
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feih->fbentry->_updateImage (params->img, params->scale, params->cropParams);
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feih->pending--;
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delete params;
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return 0;
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}
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void FileBrowserEntry::updateImage (rtengine::IImage8* img, double scale, rtengine::procparams::CropParams cropParams)
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{
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{
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GThreadLock lock;
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if ( feih == 0 ||
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feih->destroyed ) {
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img->free();
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return;
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}
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redrawRequests++;
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feih->pending++;
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}
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tiupdate* param = new tiupdate ();
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param->feih = feih;
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param->img = img;
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param->scale = scale;
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param->cropParams = cropParams;
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#if __GNUC__ == 4 && __GNUC_MINOR__ == 8 && defined( WIN32 ) && defined(__x86_64__)
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g_idle_add_full (G_PRIORITY_DEFAULT, updateImageUI, param, NULL);
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#else
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g_idle_add_full (G_PRIORITY_LOW, updateImageUI, param, NULL);
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#endif
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}
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void FileBrowserEntry::_updateImage (rtengine::IImage8* img, double s, rtengine::procparams::CropParams cropParams)
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{
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MYWRITERLOCK(l, lockRW);
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redrawRequests--;
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scale = s;
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this->cropParams = cropParams;
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bool newLandscape = img->getWidth() > img->getHeight();
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bool rotated = false;
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if (preh == img->getHeight ()) {
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prew = img->getWidth ();
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GThreadLock lock;
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// Check if image has been rotated since last time
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rotated = preview != NULL && newLandscape != landscape;
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guint8* temp = preview;
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preview = NULL;
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delete [] temp;
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temp = new guint8 [prew * preh * 3];
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memcpy (temp, img->getData(), prew * preh * 3);
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preview = temp;
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updateBackBuffer ();
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}
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landscape = newLandscape;
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img->free ();
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if (parent != NULL) {
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if (rotated) {
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parent->thumbRearrangementNeeded();
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} else if (redrawRequests == 0) {
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parent->redrawNeeded (this);
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}
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}
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}
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bool FileBrowserEntry::motionNotify (int x, int y)
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{
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bool b = ThumbBrowserEntryBase::motionNotify (x, y);
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int ix = x - startx - ofsX;
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int iy = y - starty - ofsY;
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Inspector* inspector = parent->getInspector();
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if (inspector && inspector->isActive() && !parent->isInTabMode()) {
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rtengine::Coord2D coord(-1., -1.);
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getPosInImgSpace(x, y, coord);
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if (coord.x != -1.) {
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if (!wasInside) {
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inspector->switchImage(filename);
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}
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wasInside = true;
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inspector->mouseMove(coord, 0);
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} else {
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if (wasInside) {
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wasInside = false;
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rtengine::Coord2D coord(-1, -1);
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}
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}
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}
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if (inside (x, y)) {
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updateCursor (ix, iy);
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}
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if (state == SRotateSelecting) {
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action_x = x;
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action_y = y;
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parent->redrawNeeded (this);
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} else if (state == SResizeH1 && cropgl) {
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int oy = cropParams.y;
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cropParams.y = action_y + (y - press_y) / scale;
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cropParams.h += oy - cropParams.y;
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cropgl->cropHeight1Resized (cropParams.x, cropParams.y, cropParams.w, cropParams.h);
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updateBackBuffer ();
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parent->redrawNeeded (this);
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} else if (state == SResizeH2 && cropgl) {
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cropParams.h = action_y + (y - press_y) / scale;
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cropgl->cropHeight2Resized (cropParams.x, cropParams.y, cropParams.w, cropParams.h);
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updateBackBuffer ();
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parent->redrawNeeded (this);
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} else if (state == SResizeW1 && cropgl) {
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int ox = cropParams.x;
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cropParams.x = action_x + (x - press_x) / scale;
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cropParams.w += ox - cropParams.x;
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cropgl->cropWidth1Resized (cropParams.x, cropParams.y, cropParams.w, cropParams.h);
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updateBackBuffer ();
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parent->redrawNeeded (this);
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} else if (state == SResizeW2 && cropgl) {
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cropParams.w = action_x + (x - press_x) / scale;
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cropgl->cropWidth2Resized (cropParams.x, cropParams.y, cropParams.w, cropParams.h);
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updateBackBuffer ();
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parent->redrawNeeded (this);
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} else if (state == SResizeTL && cropgl) {
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int ox = cropParams.x;
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cropParams.x = action_x + (x - press_x) / scale;
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cropParams.w += ox - cropParams.x;
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int oy = cropParams.y;
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cropParams.y = action_y + (y - press_y) / scale;
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cropParams.h += oy - cropParams.y;
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cropgl->cropTopLeftResized (cropParams.x, cropParams.y, cropParams.w, cropParams.h);
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updateBackBuffer ();
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parent->redrawNeeded (this);
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} else if (state == SResizeTR && cropgl) {
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cropParams.w = action_x + (x - press_x) / scale;
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int oy = cropParams.y;
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cropParams.y = action_y + (y - press_y) / scale;
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cropParams.h += oy - cropParams.y;
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cropgl->cropTopRightResized (cropParams.x, cropParams.y, cropParams.w, cropParams.h);
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updateBackBuffer ();
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parent->redrawNeeded (this);
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} else if (state == SResizeBL && cropgl) {
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int ox = cropParams.x;
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cropParams.x = action_x + (x - press_x) / scale;
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cropParams.w += ox - cropParams.x;
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cropParams.h = action_y + (y - press_y) / scale;
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cropgl->cropBottomLeftResized (cropParams.x, cropParams.y, cropParams.w, cropParams.h);
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updateBackBuffer ();
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parent->redrawNeeded (this);
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} else if (state == SResizeBR && cropgl) {
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cropParams.w = action_x + (x - press_x) / scale;
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cropParams.h = action_y + (y - press_y) / scale;
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cropgl->cropBottomRightResized (cropParams.x, cropParams.y, cropParams.w, cropParams.h);
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updateBackBuffer ();
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parent->redrawNeeded (this);
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} else if (state == SCropMove && cropgl) {
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cropParams.x = action_x + (x - press_x) / scale;
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cropParams.y = action_y + (y - press_y) / scale;
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cropgl->cropMoved (cropParams.x, cropParams.y, cropParams.w, cropParams.h);
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updateBackBuffer ();
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parent->redrawNeeded (this);
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} else if (state == SCropSelecting && cropgl) {
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int cx1 = press_x, cy1 = press_y;
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int cx2 = (ix - prex) / scale, cy2 = (iy - prey) / scale;
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cropgl->cropResized (cx1, cy1, cx2, cy2);
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if (cx2 > cx1) {
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cropParams.x = cx1;
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cropParams.w = cx2 - cx1 + 1;
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} else {
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cropParams.x = cx2;
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cropParams.w = cx1 - cx2 + 1;
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}
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if (cy2 > cy1) {
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cropParams.y = cy1;
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cropParams.h = cy2 - cy1 + 1;
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} else {
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cropParams.y = cy2;
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cropParams.h = cy1 - cy2 + 1;
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}
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updateBackBuffer ();
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parent->redrawNeeded (this);
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}
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return b;
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}
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bool FileBrowserEntry::pressNotify (int button, int type, int bstate, int x, int y)
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{
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bool b = ThumbBrowserEntryBase::pressNotify (button, type, bstate, x, y);
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if (!iatlistener || !iatlistener->getToolBar()) {
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return true;
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}
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ToolMode tm = iatlistener->getToolBar()->getTool ();
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int ix = x - startx - ofsX;
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int iy = y - starty - ofsY;
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if (!b && selected && inside (x, y)) {
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if (button == 1 && type == GDK_BUTTON_PRESS && state == SNormal) {
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if (onArea (CropTopLeft, ix, iy)) {
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state = SResizeTL;
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press_x = x;
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action_x = cropParams.x;
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press_y = y;
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action_y = cropParams.y;
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cropgl = iatlistener->startCropEditing (thumbnail);
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b = true;
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} else if (onArea (CropTopRight, ix, iy)) {
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state = SResizeTR;
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press_x = x;
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action_x = cropParams.w;
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press_y = y;
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action_y = cropParams.y;
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cropgl = iatlistener->startCropEditing (thumbnail);
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b = true;
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} else if (onArea (CropBottomLeft, ix, iy)) {
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state = SResizeBL;
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press_x = x;
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action_x = cropParams.x;
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press_y = y;
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action_y = cropParams.h;
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cropgl = iatlistener->startCropEditing (thumbnail);
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b = true;
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} else if (onArea (CropBottomRight, ix, iy)) {
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state = SResizeBR;
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press_x = x;
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action_x = cropParams.w;
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press_y = y;
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action_y = cropParams.h;
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cropgl = iatlistener->startCropEditing (thumbnail);
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b = true;
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} else if (onArea (CropTop, ix, iy)) {
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state = SResizeH1;
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press_y = y;
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action_y = cropParams.y;
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cropgl = iatlistener->startCropEditing (thumbnail);
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b = true;
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} else if (onArea (CropBottom, ix, iy)) {
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state = SResizeH2;
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press_y = y;
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action_y = cropParams.h;
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cropgl = iatlistener->startCropEditing (thumbnail);
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b = true;
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} else if (onArea (CropLeft, ix, iy)) {
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state = SResizeW1;
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press_x = x;
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action_x = cropParams.x;
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cropgl = iatlistener->startCropEditing (thumbnail);
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b = true;
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} else if (onArea (CropRight, ix, iy)) {
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state = SResizeW2;
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press_x = x;
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action_x = cropParams.w;
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cropgl = iatlistener->startCropEditing (thumbnail);
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b = true;
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} else if ((bstate & GDK_SHIFT_MASK) && onArea (CropInside, ix, iy)) {
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state = SCropMove;
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press_x = x;
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press_y = y;
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action_x = cropParams.x;
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action_y = cropParams.y;
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cropgl = iatlistener->startCropEditing (thumbnail);
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b = true;
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} else if (onArea (CropImage, ix, iy)) {
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if (tm == TMStraighten) {
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state = SRotateSelecting;
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press_x = x;
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press_y = y;
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action_x = x;
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action_y = y;
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rot_deg = 0;
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b = true;
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} else if (tm == TMSpotWB) {
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iatlistener->spotWBselected ((ix - prex) / scale, (iy - prey) / scale, thumbnail);
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b = true;
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} else if (tm == TMCropSelect) {
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cropgl = iatlistener->startCropEditing (thumbnail);
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if (cropgl) {
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state = SCropSelecting;
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press_x = cropParams.x = (ix - prex) / scale;
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press_y = cropParams.y = (iy - prey) / scale;
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cropParams.w = cropParams.h = 1;
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cropgl->cropInit (cropParams.x, cropParams.y, cropParams.w, cropParams.h);
|
|
b = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
updateCursor (ix, iy);
|
|
}
|
|
|
|
return b;
|
|
}
|
|
|
|
bool FileBrowserEntry::releaseNotify (int button, int type, int bstate, int x, int y)
|
|
{
|
|
|
|
bool b = ThumbBrowserEntryBase::releaseNotify (button, type, bstate, x, y);
|
|
|
|
int ix = x - startx - ofsX;
|
|
int iy = y - starty - ofsY;
|
|
|
|
if (!b) {
|
|
if (state == SRotateSelecting) {
|
|
iatlistener->rotateSelectionReady (rot_deg, thumbnail);
|
|
|
|
if (iatlistener->getToolBar()) {
|
|
iatlistener->getToolBar()->setTool (TMHand);
|
|
}
|
|
} else if (cropgl && (state == SCropSelecting || state == SResizeH1 || state == SResizeH2 || state == SResizeW1 || state == SResizeW2 || state == SResizeTL || state == SResizeTR || state == SResizeBL || state == SResizeBR || state == SCropMove)) {
|
|
cropgl->cropManipReady ();
|
|
cropgl = NULL;
|
|
iatlistener->cropSelectionReady ();
|
|
|
|
if (iatlistener->getToolBar()) {
|
|
iatlistener->getToolBar()->setTool (TMHand);
|
|
}
|
|
}
|
|
|
|
state = SNormal;
|
|
|
|
if (parent) {
|
|
parent->redrawNeeded (this);
|
|
}
|
|
|
|
updateCursor (ix, iy);
|
|
}
|
|
|
|
return b;
|
|
}
|
|
|
|
bool FileBrowserEntry::onArea (CursorArea a, int x, int y)
|
|
{
|
|
|
|
if (!drawable || !preview) {
|
|
return false;
|
|
}
|
|
|
|
int x1 = (x - prex) / scale;
|
|
int y1 = (y - prey) / scale;
|
|
int cropResizeBorder = CROPRESIZEBORDER / scale;
|
|
|
|
switch (a) {
|
|
case CropImage:
|
|
return x >= prex && x < prex + prew && y >= prey && y < prey + preh;
|
|
|
|
case CropTopLeft:
|
|
return cropParams.enabled &&
|
|
y1 >= cropParams.y - cropResizeBorder &&
|
|
y1 <= cropParams.y + cropResizeBorder &&
|
|
x1 >= cropParams.x - cropResizeBorder &&
|
|
x1 <= cropParams.x + cropResizeBorder;
|
|
|
|
case CropTopRight:
|
|
return cropParams.enabled &&
|
|
y1 >= cropParams.y - cropResizeBorder &&
|
|
y1 <= cropParams.y + cropResizeBorder &&
|
|
x1 >= cropParams.x + cropParams.w - 1 - cropResizeBorder &&
|
|
x1 <= cropParams.x + cropParams.w - 1 + cropResizeBorder;
|
|
|
|
case CropBottomLeft:
|
|
return cropParams.enabled &&
|
|
y1 >= cropParams.y + cropParams.h - 1 - cropResizeBorder &&
|
|
y1 <= cropParams.y + cropParams.h - 1 + cropResizeBorder &&
|
|
x1 >= cropParams.x - cropResizeBorder &&
|
|
x1 <= cropParams.x + cropResizeBorder;
|
|
|
|
case CropBottomRight:
|
|
return cropParams.enabled &&
|
|
y1 >= cropParams.y + cropParams.h - 1 - cropResizeBorder &&
|
|
y1 <= cropParams.y + cropParams.h - 1 + cropResizeBorder &&
|
|
x1 >= cropParams.x + cropParams.w - 1 - cropResizeBorder &&
|
|
x1 <= cropParams.x + cropParams.w - 1 + cropResizeBorder;
|
|
|
|
case CropTop:
|
|
return cropParams.enabled &&
|
|
x1 > cropParams.x + cropResizeBorder &&
|
|
x1 < cropParams.x + cropParams.w - 1 - cropResizeBorder &&
|
|
y1 > cropParams.y - cropResizeBorder &&
|
|
y1 < cropParams.y + cropResizeBorder;
|
|
|
|
case CropBottom:
|
|
return cropParams.enabled &&
|
|
x1 > cropParams.x + cropResizeBorder &&
|
|
x1 < cropParams.x + cropParams.w - 1 - cropResizeBorder &&
|
|
y1 > cropParams.y + cropParams.h - 1 - cropResizeBorder &&
|
|
y1 < cropParams.y + cropParams.h - 1 + cropResizeBorder;
|
|
|
|
case CropLeft:
|
|
return cropParams.enabled &&
|
|
y1 > cropParams.y + cropResizeBorder &&
|
|
y1 < cropParams.y + cropParams.h - 1 - cropResizeBorder &&
|
|
x1 > cropParams.x - cropResizeBorder &&
|
|
x1 < cropParams.x + cropResizeBorder;
|
|
|
|
case CropRight:
|
|
return cropParams.enabled &&
|
|
y1 > cropParams.y + cropResizeBorder &&
|
|
y1 < cropParams.y + cropParams.h - 1 - cropResizeBorder &&
|
|
x1 > cropParams.x + cropParams.w - 1 - cropResizeBorder &&
|
|
x1 < cropParams.x + cropParams.w - 1 + cropResizeBorder;
|
|
|
|
case CropInside:
|
|
return cropParams.enabled &&
|
|
y1 > cropParams.y &&
|
|
y1 < cropParams.y + cropParams.h - 1 &&
|
|
x1 > cropParams.x &&
|
|
x1 < cropParams.x + cropParams.w - 1;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
void FileBrowserEntry::updateCursor (int x, int y)
|
|
{
|
|
|
|
if (!iatlistener || !iatlistener->getToolBar()) {
|
|
return;
|
|
}
|
|
|
|
ToolMode tm = iatlistener->getToolBar()->getTool ();
|
|
Glib::RefPtr<Gdk::Window> w = parent->getDrawingArea ()->get_window();
|
|
|
|
if (!selected) {
|
|
cursorManager.setCursor (w, CSArrow);
|
|
return;
|
|
}
|
|
|
|
if (state == SNormal) {
|
|
if (tm == TMHand && (onArea (CropTop, x, y) || onArea (CropBottom, x, y))) {
|
|
cursorManager.setCursor (w, CSResizeHeight);
|
|
} else if (tm == TMHand && (onArea (CropLeft, x, y) || onArea (CropRight, x, y))) {
|
|
cursorManager.setCursor (w, CSResizeWidth);
|
|
} else if (tm == TMHand && (onArea (CropTopLeft, x, y))) {
|
|
cursorManager.setCursor (w, CSResizeTopLeft);
|
|
} else if (tm == TMHand && (onArea (CropTopRight, x, y))) {
|
|
cursorManager.setCursor (w, CSResizeTopRight);
|
|
} else if (tm == TMHand && (onArea (CropBottomLeft, x, y))) {
|
|
cursorManager.setCursor (w, CSResizeBottomLeft);
|
|
} else if (tm == TMHand && (onArea (CropBottomRight, x, y))) {
|
|
cursorManager.setCursor (w, CSResizeBottomRight);
|
|
} else if (onArea (CropImage, x, y)) {
|
|
if (tm == TMHand) {
|
|
cursorManager.setCursor (w, CSArrow);
|
|
} else if (tm == TMSpotWB) {
|
|
cursorManager.setCursor (w, CSSpotWB);
|
|
} else if (tm == TMCropSelect) {
|
|
cursorManager.setCursor (w, CSCropSelect);
|
|
} else if (tm == TMStraighten) {
|
|
cursorManager.setCursor (w, CSStraighten);
|
|
}
|
|
} else {
|
|
cursorManager.setCursor (w, CSArrow);
|
|
}
|
|
} else if (state == SCropSelecting) {
|
|
cursorManager.setCursor (w, CSCropSelect);
|
|
} else if (state == SRotateSelecting) {
|
|
cursorManager.setCursor (w, CSStraighten);
|
|
} else if (state == SCropMove) {
|
|
cursorManager.setCursor (w, CSMove);
|
|
} else if (state == SResizeW1 || state == SResizeW2) {
|
|
cursorManager.setCursor (w, CSResizeWidth);
|
|
} else if (state == SResizeH1 || state == SResizeH2) {
|
|
cursorManager.setCursor (w, CSResizeHeight);
|
|
} else if (state == SResizeTL) {
|
|
cursorManager.setCursor (w, CSResizeTopLeft);
|
|
} else if (state == SResizeTR) {
|
|
cursorManager.setCursor (w, CSResizeTopRight);
|
|
} else if (state == SResizeBL) {
|
|
cursorManager.setCursor (w, CSResizeBottomLeft);
|
|
} else if (state == SResizeBR) {
|
|
cursorManager.setCursor (w, CSResizeBottomRight);
|
|
}
|
|
}
|
|
|
|
void FileBrowserEntry::draw ()
|
|
{
|
|
|
|
ThumbBrowserEntryBase::draw ();
|
|
|
|
if (state == SRotateSelecting) {
|
|
Cairo::RefPtr<Cairo::Context> cr = parent->getDrawingArea ()->get_window()->create_cairo_context();
|
|
drawStraightenGuide (cr);
|
|
}
|
|
}
|
|
|
|
void FileBrowserEntry::drawStraightenGuide (Cairo::RefPtr<Cairo::Context> cr)
|
|
{
|
|
|
|
if (action_x != press_x || action_y != press_y) {
|
|
double arg = (press_x - action_x) / sqrt(double((press_x - action_x) * (press_x - action_x) + (press_y - action_y) * (press_y - action_y)));
|
|
double sol1, sol2;
|
|
double pi = M_PI;
|
|
|
|
if (press_y > action_y) {
|
|
sol1 = acos(arg) * 180 / pi;
|
|
sol2 = -acos(-arg) * 180 / pi;
|
|
} else {
|
|
sol1 = acos(-arg) * 180 / pi;
|
|
sol2 = -acos(arg) * 180 / pi;
|
|
}
|
|
|
|
if (fabs(sol1) < fabs(sol2)) {
|
|
rot_deg = sol1;
|
|
} else {
|
|
rot_deg = sol2;
|
|
}
|
|
|
|
if (rot_deg < -45) {
|
|
rot_deg = 90.0 + rot_deg;
|
|
} else if (rot_deg > 45) {
|
|
rot_deg = - 90.0 + rot_deg;
|
|
}
|
|
} else {
|
|
rot_deg = 0;
|
|
}
|
|
|
|
Glib::RefPtr<Pango::Context> context = parent->getDrawingArea()->get_pango_context () ;
|
|
Pango::FontDescription fontd = context->get_font_description ();
|
|
fontd.set_weight (Pango::WEIGHT_BOLD);
|
|
fontd.set_size (8 * Pango::SCALE);
|
|
context->set_font_description (fontd);
|
|
Glib::RefPtr<Pango::Layout> deglayout = parent->getDrawingArea()->create_pango_layout(Glib::ustring::compose ("%1 deg", Glib::ustring::format(std::setprecision(2), rot_deg)));
|
|
|
|
int x1 = press_x;
|
|
int y1 = press_y;
|
|
int y2 = action_y;
|
|
int x2 = action_x;
|
|
|
|
if (x2 < prex + ofsX + startx) {
|
|
y2 = y1 - (double)(y1 - y2) * (x1 - (prex + ofsX + startx)) / (x1 - x2);
|
|
x2 = prex + ofsX + startx;
|
|
} else if (x2 >= prew + prex + ofsX + startx) {
|
|
y2 = y1 - (double)(y1 - y2) * (x1 - (prew + prex + ofsX + startx - 1)) / (x1 - x2);
|
|
x2 = prew + prex + ofsX + startx - 1;
|
|
}
|
|
|
|
if (y2 < prey + ofsY + starty) {
|
|
x2 = x1 - (double)(x1 - x2) * (y1 - (prey + ofsY + starty)) / (y1 - y2);
|
|
y2 = prey + ofsY + starty;
|
|
} else if (y2 >= preh + prey + ofsY + starty) {
|
|
x2 = x1 - (double)(x1 - x2) * (y1 - (preh + prey + ofsY + starty - 1)) / (y1 - y2);
|
|
y2 = preh + prey + ofsY + starty - 1;
|
|
}
|
|
|
|
cr->set_line_width (1.5);
|
|
cr->set_source_rgb (1.0, 1.0, 1.0);
|
|
cr->move_to (x1, y1);
|
|
cr->line_to (x2, y2);
|
|
cr->stroke ();
|
|
cr->set_source_rgb (0.0, 0.0, 0.0);
|
|
std::valarray<double> ds (1);
|
|
ds[0] = 4;
|
|
cr->set_dash (ds, 0);
|
|
cr->move_to (x1, y1);
|
|
cr->line_to (x2, y2);
|
|
cr->stroke ();
|
|
|
|
if (press_x != action_x && press_y != action_y) {
|
|
cr->set_source_rgb (0.0, 0.0, 0.0);
|
|
cr->move_to ((x1 + x2) / 2 + 1, (y1 + y2) / 2 + 1);
|
|
deglayout->add_to_cairo_context (cr);
|
|
cr->move_to ((x1 + x2) / 2 + 1, (y1 + y2) / 2 - 1);
|
|
deglayout->add_to_cairo_context (cr);
|
|
cr->move_to ((x1 + x2) / 2 - 1, (y1 + y2) / 2 + 1);
|
|
deglayout->add_to_cairo_context (cr);
|
|
cr->move_to ((x1 + x2) / 2 + 1, (y1 + y2) / 2 + 1);
|
|
deglayout->add_to_cairo_context (cr);
|
|
cr->fill ();
|
|
cr->set_source_rgb (1.0, 1.0, 1.0);
|
|
cr->move_to ((x1 + x2) / 2, (y1 + y2) / 2);
|
|
deglayout->add_to_cairo_context (cr);
|
|
cr->fill ();
|
|
}
|
|
}
|
|
|