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#include <iostream></iostream>
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#include <utility></utility>
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#include <gdkmm pixbuf.h=""></gdkmm>
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#include <gtkmm hvbox.h=""></gtkmm>
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#include <gtkmm image.h=""></gtkmm>
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#include "mainwindow.h"
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MainWindow::MainWindow():
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src_rect0 (new View::Point( Vector2(-1, -1) )),
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src_rect1 (new View::Point( Vector2( 1, 1) )),
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dst_rect0 (new View::Point( Vector2(-1, -1) )),
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dst_rect1 (new View::Point( Vector2( 1, -1) )),
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dst_rect2 (new View::Point( Vector2( 1, 1) )),
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dst_rect3 (new View::Point( Vector2(-1, 1) )),
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dst_bounds0 (new View::Point( Vector2(-2, -2) )),
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dst_bounds1 (new View::Point( Vector2( 2, 2) ))
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{
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std::cout << "generator seed: " << generator.seed() << std::endl;
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set_default_size(750, 500);
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Gtk::HBox *hbox = manage(new Gtk::HBox());
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hbox->set_homogeneous(true);
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src_view.transform.scale(50, 50);
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src_view.points.push_back(src_rect0);
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src_view.points.push_back(src_rect1);
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src_view.signal_point_motion.connect(
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sigc::mem_fun(*this, &MainWindow::on_point_motion) );
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src_view.signal_point_changed.connect(
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sigc::mem_fun(*this, &MainWindow::on_point_changed) );
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src_view.signal_transform_changed.connect(
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sigc::bind(
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sigc::mem_fun(*this, &MainWindow::on_view_transform_changed),
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&src_view ));
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src_view.signal_draw_view.connect(
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sigc::mem_fun(*this, &MainWindow::on_draw_src_view) );
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hbox->add(src_view);
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dst_view.transform.scale(50, 50);
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dst_view.points.push_back(dst_rect0);
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dst_view.points.push_back(dst_rect1);
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dst_view.points.push_back(dst_rect2);
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dst_view.points.push_back(dst_rect3);
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dst_view.points.push_back(dst_bounds0);
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dst_view.points.push_back(dst_bounds1);
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dst_view.signal_point_motion.connect(
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sigc::mem_fun(*this, &MainWindow::on_point_motion) );
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dst_view.signal_point_changed.connect(
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sigc::mem_fun(*this, &MainWindow::on_point_changed) );
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src_view.signal_transform_changed.connect(
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sigc::bind(
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sigc::mem_fun(*this, &MainWindow::on_view_transform_changed),
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&dst_view ));
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dst_view.signal_draw_view.connect(
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sigc::mem_fun(*this, &MainWindow::on_draw_dst_view) );
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hbox->add(dst_view);
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//hbox->add(*manage(generator_demo()));
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add(*hbox);
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show_all();
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update_view_surface();
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}
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Gtk::Widget*
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MainWindow::generator_demo() {
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std::cout << "generator demo: generate" << std::endl;
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DataSurface surface(256, 256);
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generator.generate(surface, Vector2(0, 0), Vector2(16, 16));
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std::cout << "generator demo: convert" << std::endl;
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Glib::RefPtr<gdk::pixbuf> pixbuf = Gdk::Pixbuf::create(</gdk::pixbuf>
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Gdk::COLORSPACE_RGB, true, 8, surface.width(), surface.height() );
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guint8 *pixel = pixbuf->get_pixels();
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for(int r = 0; r < surface.height(); ++r) {
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Color *row = surface[r];
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for(int c = 0; c < surface.width(); ++c) {
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const Color &color = row[c];
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*(pixel++) = (guint8)(color.r*255.9);
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*(pixel++) = (guint8)(color.g*255.9);
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*(pixel++) = (guint8)(color.b*255.9);
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*(pixel++) = (guint8)(color.a*255.9);
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}
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}
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return new Gtk::Image(pixbuf);
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}
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void
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MainWindow::update_view_surface() {
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Matrix4 transform = src_view.transform.inverted();
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int w = src_view.get_width();
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int h = src_view.get_height();
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Vector2 rect0(transform * Vector4(0, 0, 0, 1));
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Vector2 rect1(transform * Vector4(w, h, 0, 1));
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if (w <= 0 || h <= 0) {
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view_surface.clear();
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} else
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if ( !view_surface
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|| view_surface->get_width() != w
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|| view_surface->get_height() != h
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|| view_surface_rect0 != rect0
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|| view_surface_rect1 != rect1 )
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{
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DataSurface surface(w, h);
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generator.generate(surface, rect0, rect1);
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view_surface = surface.to_cairo_surface();
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view_surface_rect0 = rect0;
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view_surface_rect1 = rect1;
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}
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}
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void
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MainWindow::on_point_motion(const View::PointPtr &/*point*/) {
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queue_draw();
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}
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void
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MainWindow::on_point_changed(const View::PointPtr &/*point*/) {
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}
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void
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MainWindow::on_view_transform_changed(View *view) {
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if (view == &src_view) {
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update_view_surface();
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view->queue_draw();
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}
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}
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void
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MainWindow::on_draw_src_view(const Cairo::RefPtr<cairo::context> &context) {</cairo::context>
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const Real ps = src_view.get_pixel_size();
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context->save();
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if ( !view_surface
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|| src_view.get_width() != view_surface->get_width()
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|| src_view.get_height() != view_surface->get_height() )
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update_view_surface();
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if (view_surface) {
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context->save();
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src_view.back_transform_context(context);
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context->set_source(view_surface, 0, 0);
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context->paint();
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context->restore();
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}
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context->move_to(src_rect0->position.x, src_rect0->position.y);
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context->line_to(src_rect0->position.x, src_rect1->position.y);
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context->line_to(src_rect1->position.x, src_rect1->position.y);
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context->line_to(src_rect1->position.x, src_rect0->position.y);
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context->close_path();
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context->set_line_width(ps);
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context->set_source_rgba(1, 1, 0, 0.5);
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context->stroke();
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context->restore();
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}
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void
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MainWindow::on_draw_dst_view(const Cairo::RefPtr<cairo::context> &context) {</cairo::context>
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const Real ps = src_view.get_pixel_size();
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context->save();
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context->move_to(dst_rect0->position.x, dst_rect0->position.y);
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context->line_to(dst_rect1->position.x, dst_rect1->position.y);
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context->line_to(dst_rect2->position.x, dst_rect2->position.y);
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context->line_to(dst_rect3->position.x, dst_rect3->position.y);
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context->close_path();
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context->set_line_width(ps);
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context->set_source_rgba(1, 1, 0, 0.5);
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context->stroke();
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context->move_to(dst_bounds0->position.x, dst_bounds0->position.y);
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context->line_to(dst_bounds0->position.x, dst_bounds1->position.y);
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context->line_to(dst_bounds1->position.x, dst_bounds1->position.y);
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context->line_to(dst_bounds1->position.x, dst_bounds0->position.y);
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context->close_path();
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context->set_line_width(ps);
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context->set_source_rgba(1, 0, 0, 0.5);
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context->stroke();
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context->restore();
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}
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