Syping/libragephoto
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improve examples

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This commit is contained in:
Syping 2021-08-27 23:17:57 +02:00
parent dd47087afd
commit 61a9770951
3 changed files with 33 additions and 10 deletions
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12
examples/ragephoto-gtkviewer/src/PhotoViewer.cpp
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@ -19,6 +19,7 @@
#include "PhotoViewer.h"
#include <cairomm/context.h>
#include <gdkmm/general.h>
#include <gtkmm/messagedialog.h>
#include <RagePhoto.h>
#include <iostream>
@ -32,6 +33,9 @@ void PhotoViewer::open_file(const char *filename)
// Read file
FILE *file = fopen(filename, "rb");
if (!file) {
Gtk::MessageDialog msg(*p_win, "Failed to read file: " + Glib::ustring(filename), false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_OK, true);
msg.set_title("Open Photo");
msg.run();
return;
}
const int fseek_end_value = fseek(file, 0, SEEK_END);
@ -60,8 +64,12 @@ void PhotoViewer::open_file(const char *filename)
free(data);
if (!loaded) {
const RagePhoto::Error error = ragePhoto.error();
if (error <= RagePhoto::Error::PhotoReadError)
if (error <= RagePhoto::Error::PhotoReadError) {
Gtk::MessageDialog msg(*p_win, "Failed to read photo: " + Glib::ustring(filename), false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_OK, true);
msg.set_title("Open Photo");
msg.run();
return;
}
}
guchar *photoData = static_cast<guchar*>(malloc(ragePhoto.photoSize()));
@ -71,7 +79,7 @@ void PhotoViewer::open_file(const char *filename)
memcpy(photoData, ragePhoto.photoData(), ragePhoto.photoSize());
GdkPixbufLoader *loader = gdk_pixbuf_loader_new();
gdk_pixbuf_loader_write(loader, photoData, static_cast<gsize>(ragePhoto.photoSize()), nullptr);
gdk_pixbuf_loader_write(loader, photoData, static_cast<gsize>(ragePhoto.photoSize()), NULL);
GdkPixbuf *c_pixbuf = gdk_pixbuf_loader_get_pixbuf(loader);
p_image = Glib::wrap(c_pixbuf);

22
examples/ragephoto-gtkviewer/src/main.cpp
View file

@ -23,6 +23,7 @@
#include <gtkmm/filechooserdialog.h>
#include <gtkmm/filefilter.h>
#include <gtkmm/label.h>
#include <gtkmm/messagedialog.h>
#include <gtkmm/window.h>
#include <iostream>
@ -53,6 +54,7 @@ int main(int argc, char *argv[])
open_button.set_label("Open");
open_button.set_hexpand(true);
open_button.set_size_request(100);
open_button.set_image_from_icon_name("document-open");
open_button.signal_clicked().connect([&](){
Gtk::FileChooserDialog dialog("Open Photo...", Gtk::FILE_CHOOSER_ACTION_OPEN);
dialog.set_transient_for(win);
@ -84,18 +86,28 @@ int main(int argc, char *argv[])
close_button.set_label("Close");
close_button.set_hexpand(true);
close_button.set_size_request(100);
close_button.set_image_from_icon_name("dialog-close");
close_button.signal_clicked().connect([&](){
win.close();
});
horizontal_box.add(close_button);
close_button.show();
app->signal_open().connect([&](const Gio::Application::type_vec_files &files, const Glib::ustring &hint){
for (const auto &file : files) {
photo_viewer.open_file(file->get_path().c_str());
app->signal_open().connect([&](const Gio::Application::type_vec_files &files, const Glib::ustring &hint) {
if (files.size() == 1) {
for (const auto &file : files) {
photo_viewer.open_file(file->get_path().c_str());
}
app->add_window(win);
win.show();
}
else {
app->add_window(win);
win.show();
Gtk::MessageDialog msg(win, "Can't open multiple photos at once!", false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_OK, true);
msg.set_title("RagePhoto GTK Photo Viewer");
msg.run();
}
app->add_window(win);
win.show();
});
horizontal_box.show();