135 lines
3.6 KiB
C++
135 lines
3.6 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2018 Jean-Christophe FRISCH <natureh.510@gmail.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 <iostream>
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#include "options.h"
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#include "rtsurface.h"
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namespace
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{
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std::map<std::string, Cairo::RefPtr<Cairo::ImageSurface>> surfaceCache;
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}
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double RTSurface::dpiBack = 0.;
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int RTSurface::scaleBack = 0;
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RTSurface::RTSurface () : RTScalable()
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{
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Cairo::RefPtr<Cairo::ImageSurface> imgSurf(new Cairo::ImageSurface(nullptr, false));
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surface = imgSurf;
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}
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RTSurface::RTSurface(const RTSurface& other) : RTScalable()
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{
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surface = other.surface;
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}
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RTSurface::RTSurface (Glib::ustring fileName, Glib::ustring rtlFileName) : RTScalable()
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{
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Cairo::RefPtr<Cairo::ImageSurface> imgSurf(new Cairo::ImageSurface(nullptr, false));
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surface = imgSurf;
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setImage (fileName, rtlFileName);
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}
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void RTSurface::setImage (Glib::ustring fileName, Glib::ustring rtlFileName)
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{
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Glib::ustring imageName;
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if (!rtlFileName.empty() && getDirection() == Gtk::TEXT_DIR_RTL) {
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imageName = rtlFileName;
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} else {
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imageName = fileName;
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}
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changeImage (imageName);
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}
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void RTSurface::setDPInScale (const double newDPI, const int newScale)
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{
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if (getScale() != newScale || (getScale() == 1 && getDPI() != newDPI)) {
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RTScalable::setDPInScale(newDPI, newScale);
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dpiBack = getDPI();
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scaleBack = getScale();
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//printf("RTSurface::setDPInScale : New scale = %d & new DPI = %.3f (%.3f asked) -> Reloading all RTSurface\n", scaleBack, dpiBack, newDPI);
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updateImages();
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}
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}
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void RTSurface::changeImage (Glib::ustring imageName)
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{
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auto iterator = surfaceCache.find (imageName);
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if (iterator == surfaceCache.end ()) {
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surface = loadImage(imageName, getTweakedDPI());
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// HOMBRE: As of now, GDK_SCALE is forced to 1, so setting the Cairo::ImageSurface scale is not required
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// Anyway, this might be of use one day
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/*
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double x=0., y=0.;
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cairo_surface_get_device_scale(surface->cobj(), &x, &y);
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if (getScale() == 2) {
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cairo_surface_set_device_scale(surface->cobj(), 0.5, 0.5); // Not sure if it should be 0.5 or 2.0 here !
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surface->flush();
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}
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*/
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iterator = surfaceCache.emplace (imageName, surface).first;
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}
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surface = iterator->second;
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}
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int RTSurface::getWidth() const
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{
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return surface ? surface->get_width() : -1;
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}
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int RTSurface::getHeight() const
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{
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return surface ? surface->get_height() : -1;
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}
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void RTSurface::init()
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{
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dpiBack = RTScalable::getDPI();
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scaleBack = RTScalable::getScale();
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}
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void RTSurface::updateImages()
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{
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double res = getTweakedDPI();
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for (auto entry : surfaceCache) {
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entry.second = loadImage(entry.first, res);
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//printf("RTSurface::updateImages : %s\n", entry.first.c_str());
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}
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}
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void RTSurface::from(Glib::RefPtr<RTSurface> other)
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{
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surface = other->surface;
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}
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bool RTSurface::hasSurface() const
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{
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return surface ? true : false;
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}
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