263 lines
6.8 KiB
C++
263 lines
6.8 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 "inspector.h"
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#include "guiutils.h"
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#include <gtkmm.h>
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#include "cursormanager.h"
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#include "guiutils.h"
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#include "options.h"
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#include "../rtengine/safegtk.h"
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#include "../rtengine/previewimage.h"
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extern Options options;
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InspectorBuffer::InspectorBuffer(const Glib::ustring &imagePath) : currTransform(0), fromRaw(false) {
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if (!imagePath.empty() && safe_file_test(imagePath, Glib::FILE_TEST_EXISTS) && !safe_file_test(imagePath, Glib::FILE_TEST_IS_DIR)) {
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imgPath = imagePath;
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// generate thumbnail image
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Glib::ustring ext = getExtension (imagePath);
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if (ext=="") {
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imgPath.clear();
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return;
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}
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rtengine::PreviewImage pi(imagePath, ext, rtengine::PreviewImage::PIM_EmbeddedOrRaw);
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Cairo::RefPtr<Cairo::ImageSurface> imageSurface = pi.getImage();
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if (imageSurface) {
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imgBuffer.setSurface(imageSurface);
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fromRaw = true;
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}
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else {
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imgPath.clear();
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}
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}
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}
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/*
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InspectorBuffer::~InspectorBuffer() {
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}
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*/
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int InspectorBuffer::infoFromImage (const Glib::ustring& fname) {
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rtengine::ImageMetaData* idata = rtengine::ImageMetaData::fromFile (fname, NULL);
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if (!idata)
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return 0;
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int deg = 0;
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if (idata->hasExif()) {
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if (idata->getOrientation()=="Rotate 90 CW" ) deg = 90;
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else if (idata->getOrientation()=="Rotate 180" ) deg = 180;
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else if (idata->getOrientation()=="Rotate 270 CW") deg = 270;
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}
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delete idata;
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return deg;
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}
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Inspector::Inspector () : currImage(NULL), zoom(0.0), active(false) {}
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Inspector::~Inspector() {
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deleteBuffers();
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}
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bool Inspector::on_expose_event (GdkEventExpose* event) {
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Glib::RefPtr<Gdk::Window> win = get_window();
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if (!win)
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return false;
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if (!active) {
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active = true;
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}
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// cleanup the region
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if (currImage && currImage->imgBuffer.surfaceCreated()) {
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// this will eventually create/update the off-screen pixmap
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// compute the displayed area
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Coord availableSize;
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Coord topLeft;
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Coord displayedSize;
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Coord dest(0, 0);
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win->get_size(availableSize.x, availableSize.y);
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int imW = currImage->imgBuffer.getWidth();
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int imH = currImage->imgBuffer.getHeight();
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if (imW < availableSize.x) {
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// center the image in the available space along X
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topLeft.x = 0;
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displayedSize.x = availableSize.x;
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dest.x = (availableSize.x - imW) / 2;
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}
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else {
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// partial image display
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// double clamp
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topLeft.x = center.x + availableSize.x/2;
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topLeft.x = rtengine::min<int>(topLeft.x, imW);
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topLeft.x -= availableSize.x;
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topLeft.x = rtengine::max<int>(topLeft.x, 0);
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}
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if (imH < availableSize.y) {
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// center the image in the available space along Y
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topLeft.y = 0;
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displayedSize.y = availableSize.y;
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dest.y = (availableSize.y - imH) / 2;
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}
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else {
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// partial image display
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// double clamp
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topLeft.y = center.y + availableSize.y/2;
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topLeft.y = rtengine::min<int>(topLeft.y, imH);
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topLeft.y -= availableSize.y;
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topLeft.y = rtengine::max<int>(topLeft.y, 0);
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}
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//printf("center: %d, %d (img: %d, %d) (availableSize: %d, %d) (topLeft: %d, %d)\n", center.x, center.y, imW, imH, availableSize.x, availableSize.y, topLeft.x, topLeft.y);
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// define the destination area
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currImage->imgBuffer.setDrawRectangle(win, dest.x, dest.y, rtengine::min<int>(availableSize.x-dest.x, imW), rtengine::min<int>(availableSize.y-dest.y,imH), false);
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currImage->imgBuffer.setSrcOffset(topLeft.x, topLeft.y);
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if (!currImage->imgBuffer.surfaceCreated()) {
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return false;
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}
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// Draw!
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Gdk::Color c;
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Cairo::RefPtr<Cairo::Context> cr = win->create_cairo_context();
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Glib::RefPtr<Gtk::Style> style = get_style();
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// draw the background
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c = style->get_bg (Gtk::STATE_NORMAL);
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cr->set_source_rgb (c.get_red_p(), c.get_green_p(), c.get_blue_p());
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cr->set_line_width (0);
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cr->rectangle (0, 0, availableSize.x, availableSize.y);
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cr->fill ();
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currImage->imgBuffer.copySurface(win);
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// draw the frame
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c = style->get_fg (Gtk::STATE_NORMAL);
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cr->set_source_rgb (c.get_red_p(), c.get_green_p(), c.get_blue_p());
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cr->set_line_width (1);
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cr->rectangle (0.5, 0.5, availableSize.x-1, availableSize.y-1);
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cr->stroke ();
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}
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return true;
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}
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void Inspector::mouseMove (rtengine::Coord2D pos, int transform) {
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if (!active)
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return;
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if (currImage)
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center.set(int(rtengine::LIM01(pos.x)*double(currImage->imgBuffer.getWidth())), int(rtengine::LIM01(pos.y)*double(currImage->imgBuffer.getHeight())));
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else
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center.set(0,0);
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queue_draw();
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}
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void Inspector::switchImage (const Glib::ustring &fullPath) {
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if (!active)
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return;
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// we first check the size of the list, it may have been changed in Preference
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if (images.size() > size_t(options.maxInspectorBuffers)) {
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// deleting the last entries
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for (size_t i=images.size()-1; i>size_t(options.maxInspectorBuffers-1); --i) {
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delete images.at(i);
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images.at(i) = NULL;
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}
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// resizing down
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images.resize(options.maxInspectorBuffers);
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}
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if (fullPath.empty()) {
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currImage = NULL;
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queue_draw();
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return;
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}
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else {
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bool found = false;
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for (size_t i=0; i<images.size(); ++i) {
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if (images.at(i) != NULL && images.at(i)->imgPath==fullPath) {
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currImage = images.at(i);
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// rolling the list 1 step to the beginning
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for (size_t j=i; j<images.size()-1; ++j) {
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images.at(j) = images.at(j+1);
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}
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images.at(images.size()-1) = currImage; // move the last used image to the tail
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found = true;
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break;
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}
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}
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if (!found) {
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if (images.size() == size_t(options.maxInspectorBuffers)) {
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// The list is full, delete the first entry
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delete images.at(0);
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images.erase(images.begin());
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}
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// Loading a new image
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InspectorBuffer *iBuffer = new InspectorBuffer(fullPath);
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// and add it to the tail
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if (!iBuffer->imgPath.empty()) {
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images.push_back(iBuffer);
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currImage = images.at(images.size()-1);
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}
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else {
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currImage = NULL;
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}
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}
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}
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}
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void Inspector::deleteBuffers () {
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for (size_t i=0; i<images.size(); ++i) {
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if (images.at(i) != NULL) {
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delete images.at(i);
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images.at(i) = NULL;
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}
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}
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images.resize(0);
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currImage = NULL;
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}
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void Inspector::flushBuffers () {
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if (!active)
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return;
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deleteBuffers();
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}
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void Inspector::setActive(bool state) {
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if (!state) {
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flushBuffers();
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}
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active = state;
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}
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