forked from AuroraMiddleware/gtk
Drop standalone pixbuf-demo
The same demo is included in gtk3-demo. One copy is enough.
This commit is contained in:
Matthias Clasen
parent
1b3542419c
commit
545704401e
@ -1,6 +1,6 @@
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## Makefile.am for gtk+/demos
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include $(top_srcdir)/Makefile.decl
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SUBDIRS = gtk-demo widget-factory pixbuf-demo
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SUBDIRS = gtk-demo widget-factory
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-include $(top_srcdir)/git.mk
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@ -1,41 +0,0 @@
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## Makefile.am for gtk+/demos
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include $(top_srcdir)/Makefile.decl
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AM_CPPFLAGS = \
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-I$(top_srcdir) \
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-I$(top_builddir)/gdk \
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-DGDK_DISABLE_DEPRECATED \
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-DGTK_DISABLE_DEPRECATED \
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$(GTK_DEBUG_FLAGS) \
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$(GTK_DEP_CFLAGS)
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DEPS = \
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$(top_builddir)/gtk/libgtk-3.la
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LDADDS = \
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$(top_builddir)/gtk/libgtk-3.la \
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$(top_builddir)/gdk/libgdk-3.la \
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$(GTK_DEP_LIBS) \
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$(MATH_LIB)
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noinst_PROGRAMS = \
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pixbuf-demo
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pixbuf_demo_DEPENDENCIES = $(DEPS)
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pixbuf_demo_LDADD = $(LDADDS)
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pixbuf_demo_SOURCES = pixbuf-demo.c
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EXTRA_DIST += \
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apple-red.png \
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background.jpg \
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gnome-applets.png \
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gnome-calendar.png \
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gnome-foot.png \
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gnome-gimp.png \
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gnome-gmush.png \
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gnome-gsame.png \
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gnu-keys.png
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-include $(top_srcdir)/git.mk
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@ -1,215 +0,0 @@
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/* GdkPixbuf library - Scaling and compositing demo
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*
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* Copyright (C) 1999 The Free Software Foundation
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*
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* Authors: Federico Mena-Quintero <federico@gimp.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <gtk/gtk.h>
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#include <math.h>
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#define BACKGROUND_NAME "background.jpg"
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static const char *image_names[] = {
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"apple-red.png",
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"gnome-applets.png",
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"gnome-calendar.png",
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"gnome-foot.png",
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"gnome-gmush.png",
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"gnome-gimp.png",
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"gnome-gsame.png",
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"gnu-keys.png"
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};
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#define N_IMAGES (sizeof (image_names) / sizeof (image_names[0]))
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/* Current frame */
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static GdkPixbuf *frame;
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/* Background image */
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static GdkPixbuf *background;
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static int back_width, back_height;
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/* Images */
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static GdkPixbuf *images[N_IMAGES];
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/* Widgets */
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static GtkWidget *da;
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/* Loads the images for the demo and returns whether the operation succeeded */
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static gboolean
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load_pixbufs (void)
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{
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int i;
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/* We pass NULL for the error return location, we don't care
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* about the error message.
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*/
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background = gdk_pixbuf_new_from_file (BACKGROUND_NAME, NULL);
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if (!background)
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return FALSE;
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back_width = gdk_pixbuf_get_width (background);
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back_height = gdk_pixbuf_get_height (background);
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for (i = 0; i < N_IMAGES; i++) {
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images[i] = gdk_pixbuf_new_from_file (image_names[i], NULL);
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if (!images[i])
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return FALSE;
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}
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return TRUE;
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}
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/* Expose callback for the drawing area */
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static gboolean
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draw_cb (GtkWidget *widget, cairo_t *cr, gpointer data)
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{
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gdk_cairo_set_source_pixbuf (cr, frame, 0, 0);
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cairo_paint (cr);
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return TRUE;
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}
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#define CYCLE_TIME 3000000 /* 3 seconds */
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static gint64 start_time;
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/* Handler to regenerate the frame */
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static gboolean
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on_tick (GtkWidget *widget,
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GdkFrameClock *frame_clock,
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gpointer data)
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{
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gint64 current_time;
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double f;
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int i;
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double xmid, ymid;
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double radius;
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gdk_pixbuf_copy_area (background, 0, 0, back_width, back_height,
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frame, 0, 0);
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if (start_time == 0)
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start_time = gdk_frame_clock_get_frame_time (frame_clock);
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current_time = gdk_frame_clock_get_frame_time (frame_clock);
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f = ((current_time - start_time) % CYCLE_TIME) / (double)CYCLE_TIME;
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xmid = back_width / 2.0;
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ymid = back_height / 2.0;
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radius = MIN (xmid, ymid) / 2.0;
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for (i = 0; i < N_IMAGES; i++) {
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double ang;
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int xpos, ypos;
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int iw, ih;
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double r;
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GdkRectangle r1, r2, dest;
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double k;
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ang = 2.0 * G_PI * (double) i / N_IMAGES - f * 2.0 * G_PI;
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iw = gdk_pixbuf_get_width (images[i]);
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ih = gdk_pixbuf_get_height (images[i]);
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r = radius + (radius / 3.0) * sin (f * 2.0 * G_PI);
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xpos = floor (xmid + r * cos (ang) - iw / 2.0 + 0.5);
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ypos = floor (ymid + r * sin (ang) - ih / 2.0 + 0.5);
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k = (i & 1) ? sin (f * 2.0 * G_PI) : cos (f * 2.0 * G_PI);
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k = 2.0 * k * k;
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k = MAX (0.25, k);
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r1.x = xpos;
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r1.y = ypos;
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r1.width = iw * k;
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r1.height = ih * k;
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r2.x = 0;
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r2.y = 0;
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r2.width = back_width;
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r2.height = back_height;
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if (gdk_rectangle_intersect (&r1, &r2, &dest))
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gdk_pixbuf_composite (images[i],
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frame,
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dest.x, dest.y,
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dest.width, dest.height,
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xpos, ypos,
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k, k,
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GDK_INTERP_NEAREST,
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((i & 1)
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? MAX (127, fabs (255 * sin (f * 2.0 * G_PI)))
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: MAX (127, fabs (255 * cos (f * 2.0 * G_PI)))));
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}
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gtk_widget_queue_draw (da);
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return G_SOURCE_CONTINUE;
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}
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/* Destroy handler for the window */
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static void
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destroy_cb (GObject *object, gpointer data)
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{
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gtk_main_quit ();
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}
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int
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main (int argc, char **argv)
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{
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GtkWidget *window;
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gtk_init (&argc, &argv);
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if (!load_pixbufs ()) {
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g_message ("main(): Could not load all the pixbufs!");
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exit (EXIT_FAILURE);
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}
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frame = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, back_width, back_height);
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_widget_set_size_request (window, back_width, back_height);
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g_signal_connect (window, "destroy",
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G_CALLBACK (destroy_cb), NULL);
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da = gtk_drawing_area_new ();
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g_signal_connect (da, "draw",
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G_CALLBACK (draw_cb), NULL);
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gtk_container_add (GTK_CONTAINER (window), da);
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gtk_widget_add_tick_callback (da, on_tick, NULL, NULL);
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gtk_widget_show_all (window);
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gtk_main ();
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return 0;
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}
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