rawTherapee/rtgui/crophandler.cc

391 lines
9.9 KiB
C++

/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
*
* RawTherapee is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* RawTherapee is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
*/
#include "crophandler.h"
#undef THREAD_PRIORITY_NORMAL
#include <cstring>
#include "guiutils.h"
#include "cropwindow.h"
#include "../rtengine/dcrop.h"
#include "../rtengine/refreshmap.h"
using namespace rtengine;
CropHandler::CropHandler ()
: zoom(10), ww(0), wh(0), cx(0), cy(0), cw(0), ch(0),
cropX(0), cropY(0), cropW(0), cropH(0), enabled(false),
cropimg(NULL), cropimgtrue(NULL), ipc(NULL), crop(NULL), listener(NULL), isLowUpdatePriority(false) {
chi = new CropHandlerIdleHelper;
chi->destroyed = false;
chi->pending = 0;
chi->cropHandler = this;
}
CropHandler::~CropHandler () {
if (ipc)
ipc->delSizeListener (this);
setEnabled (false);
if (crop) {
//crop->destroy ();
delete crop; // will do the same than destroy, plus delete the object
crop = NULL;
}
cimg.lock ();
if (chi->pending)
chi->destroyed = true;
else
delete chi;
cimg.unlock ();
}
void CropHandler::setEditSubscriber (EditSubscriber* newSubscriber) {
(static_cast<rtengine::Crop *>(crop))->setEditSubscriber(newSubscriber);
}
void CropHandler::newImage (StagedImageProcessor* ipc_, bool isDetailWindow) {
ipc = ipc_;
cx = 0;
cy = 0;
if (!ipc)
return;
EditDataProvider *editDataProvider = NULL;
CropWindow *cropWin = listener ? static_cast<CropWindow*>(listener) : NULL;
if (cropWin)
editDataProvider = cropWin->getImageArea();
crop = ipc->createCrop (editDataProvider, isDetailWindow);
ipc->setSizeListener (this);
crop->setListener (enabled ? this : NULL);
initial = true;
}
void CropHandler::sizeChanged (int x, int y, int ow, int oh) { // the ipc notifies it to keep track size changes like rotation
compDim ();
// this should be put into an idle source!!!
/* if (listener)
listener->cropWindowChanged ();
*/
}
double CropHandler::getFitCropZoom () {
double z1 = (double) wh / cropParams.h;
double z2 = (double) ww / cropParams.w;
return z1<z2 ? z1 : z2;
}
double CropHandler::getFitZoom () {
if (ipc) {
double z1 = (double) wh / ipc->getFullHeight ();
double z2 = (double) ww / ipc->getFullWidth ();
return z1<z2 ? z1 : z2;
}
else
return 1.0;
}
void CropHandler::setZoom (int z, int centerx, int centery) {
int x = cx + cw / 2;
int y = cy + ch / 2;
if (centerx>=0)
x = centerx;
if (centery>=0)
y = centery;
// maybe demosaic etc. if we cross the border to >100%
bool needsFullRefresh = (z>=1000 && zoom<1000);
zoom = z;
if (zoom>=1000) {
cw = ww * 1000 / zoom;
ch = wh * 1000 / zoom;
}
else {
cw = ww * zoom;
ch = wh * zoom;
}
cx = x - cw / 2;
cy = y - ch / 2;
compDim ();
if (enabled) {
if (needsFullRefresh)
ipc->startProcessing(M_HIGHQUAL);
else
update ();
}
}
void CropHandler::setWSize (int w, int h) {
ww = w;
wh = h;
if (zoom>=1000) {
cw = ww * 1000 / zoom;
ch = wh * 1000 / zoom;
}
else {
cw = ww * zoom;
ch = wh * zoom;
}
compDim ();
if (enabled)
update ();
}
void CropHandler::getWSize (int& w, int &h) {
w = ww;
h = wh;
}
void CropHandler::setPosition (int x, int y, bool update_) {
cx = x;
cy = y;
compDim ();
if (enabled && update_)
update ();
}
void CropHandler::getPosition (int& x, int& y) {
x = cropX;
y = cropY;
}
int createpixbufs (void* data) {
GThreadLock lock;
CropHandlerIdleHelper* chi = static_cast<CropHandlerIdleHelper*>(data);
if (chi->destroyed) {
if (chi->pending == 1)
delete chi;
else
chi->pending--;
return 0;
}
CropHandler* ch = chi->cropHandler;
ch->cimg.lock ();
ch->cropPixbuf.clear ();
if (!ch->enabled) {
delete [] ch->cropimg;
ch->cropimg = NULL;
delete [] ch->cropimgtrue;
ch->cropimgtrue = NULL;
ch->cimg.unlock ();
return 0;
}
if (ch->cropimg) {
if (ch->cix==ch->cropX && ch->ciy==ch->cropY && ch->ciw==ch->cropW && ch->cih==ch->cropH && ch->cis==(ch->zoom>=1000?1:ch->zoom)) {
// calculate final image size
int czoom = ch->zoom<1000 ? 1000 : ch->zoom;
int imw = ch->cropimg_width * czoom / 1000;
int imh = ch->cropimg_height * czoom / 1000;
if (imw>ch->ww)
imw = ch->ww;
if (imh>ch->wh)
imh = ch->wh;
Glib::RefPtr<Gdk::Pixbuf> tmpPixbuf = Gdk::Pixbuf::create_from_data (ch->cropimg, Gdk::COLORSPACE_RGB, false, 8, ch->cropimg_width, 2*ch->cropimg_height, 3*ch->cropimg_width);
ch->cropPixbuf = Gdk::Pixbuf::create (Gdk::COLORSPACE_RGB, false, 8, imw, imh);
tmpPixbuf->scale (ch->cropPixbuf, 0, 0, imw, imh, 0, 0, czoom/1000.0, czoom/1000.0, Gdk::INTERP_NEAREST);
tmpPixbuf.clear ();
Glib::RefPtr<Gdk::Pixbuf> tmpPixbuftrue = Gdk::Pixbuf::create_from_data (ch->cropimgtrue, Gdk::COLORSPACE_RGB, false, 8, ch->cropimg_width, 2*ch->cropimg_height, 3*ch->cropimg_width);
ch->cropPixbuftrue = Gdk::Pixbuf::create (Gdk::COLORSPACE_RGB, false, 8, imw, imh);
tmpPixbuftrue->scale (ch->cropPixbuftrue, 0, 0, imw, imh, 0, 0, czoom/1000.0, czoom/1000.0, Gdk::INTERP_NEAREST);
tmpPixbuftrue.clear ();
}
delete [] ch->cropimg;
ch->cropimg = NULL;
delete [] ch->cropimgtrue;
ch->cropimgtrue = NULL;
}
ch->cimg.unlock ();
if (ch->listener) {
ch->listener->cropImageUpdated ();
if (ch->initial) {
ch->listener->initialImageArrived ();
ch->initial = false;
}
}
chi->pending--;
return 0;
}
void CropHandler::setDetailedCrop (IImage8* im, IImage8* imtrue, rtengine::procparams::ColorManagementParams cmp,
rtengine::procparams::CropParams cp, int ax, int ay, int aw, int ah, int askip) {
if (!enabled)
return;
cimg.lock ();
cropParams = cp;
colorParams = cmp;
cropPixbuf.clear ();
if (cropimg)
delete [] cropimg;
cropimg = NULL;
if (cropimgtrue)
delete [] cropimgtrue;
cropimgtrue = NULL;
if (ax==cropX && ay==cropY && aw==cropW && ah==cropH && askip==(zoom>=1000?1:zoom)) {
cropimg_width = im->getWidth ();
cropimg_height = im->getHeight ();
cropimg = new unsigned char [3*cropimg_width*cropimg_height];
cropimgtrue = new unsigned char [3*cropimg_width*cropimg_height];
memcpy (cropimg, im->getData(), 3*cropimg_width*cropimg_height);
memcpy (cropimgtrue, imtrue->getData(), 3*cropimg_width*cropimg_height);
cix = ax;
ciy = ay;
ciw = aw;
cih = ah;
cis = askip;
chi->pending++;
g_idle_add (createpixbufs, chi);
}
cimg.unlock ();
}
bool CropHandler::getWindow (int& cwx, int& cwy, int& cww, int& cwh, int& cskip) {
cwx = cropX;
cwy = cropY;
cww = cropW;
cwh = cropH;
// hack: if called before first size allocation the size will be 0
if (cww<10)
cww = 10;
if (cwh<32)
cwh = 32;
cskip = zoom>=1000 ? 1 : zoom;
return true;
}
void CropHandler::update () {
if (crop) {
// crop->setWindow (cropX, cropY, cropW, cropH, zoom>=1000 ? 1 : zoom); --> we use the "getWindow" hook instead of setting the size before
crop->setListener (this);
cropPixbuf.clear ();
// To save threads, try to mark "needUpdate" without a thread first
if (crop->tryUpdate()) {
if (isLowUpdatePriority)
Glib::Thread::create(sigc::mem_fun(*crop, &DetailedCrop::fullUpdate), 0, false, true, Glib::THREAD_PRIORITY_LOW);
else
Glib::Thread::create(sigc::mem_fun(*crop, &DetailedCrop::fullUpdate), false );
}
}
}
void CropHandler::setEnabled (bool e) {
enabled = e;
if (!enabled) {
if (crop)
crop->setListener (NULL);
cimg.lock ();
delete [] cropimg;
cropimg = NULL;
delete [] cropimgtrue;
cropimgtrue = NULL;
cropPixbuf.clear ();
cimg.unlock ();
}
else
update ();
}
bool CropHandler::getEnabled () {
return enabled;
}
void CropHandler::getSize (int& w, int& h) {
w = cropW;
h = cropH;
}
void CropHandler::getFullImageSize (int& w, int& h) {
if (ipc) {
w = ipc->getFullWidth ();
h = ipc->getFullHeight ();
} else {
w=h=0;
}
}
void CropHandler::compDim () {
cropX = cx;
cropY = cy;
cropW = cw;
cropH = ch;
cutRectToImgBounds (cropX, cropY, cropW, cropH);
}
void CropHandler::cutRectToImgBounds (int& x, int& y, int& w, int& h) {
if (ipc) {
if (w > ipc->getFullWidth())
w = ipc->getFullWidth();
if (h > ipc->getFullHeight())
h = ipc->getFullHeight();
if (x < 0)
x = 0;
if (y < 0)
y = 0;
if (x + w >= ipc->getFullWidth())
x = ipc->getFullWidth() - w;
if (y + h >= ipc->getFullHeight())
y = ipc->getFullHeight() - h;
}
}