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Add a simple testcase for transforms

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This can help in tracking various things down,
from picking to clipping.
This commit is contained in:
Matthias Clasen 2020-09-02 12:52:35 -04:00
parent eee6d28c67
commit 1a8f109af8
2 changed files with 78 additions and 0 deletions
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1
tests/meson.build
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@ -1,5 +1,6 @@
gtk_tests = [
# testname, optional extra sources
['testtransform'],
['testdropdown'],
['rendernode'],
['rendernode-create-tests'],

77
tests/testtransform.c Normal file
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@ -0,0 +1,77 @@
/* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
static void
hello (GtkButton *button)
{
g_print ("Hello!\n");
}
static void
quit_cb (GtkWidget *widget,
gpointer data)
{
gboolean *done = data;
*done = TRUE;
g_main_context_wakeup (NULL);
}
int
main (int argc, char *argv[])
{
GtkWidget *window, *fixed, *button;
gboolean done = FALSE;
GskTransform *transform;
gtk_init ();
window = gtk_window_new ();
gtk_window_set_title (GTK_WINDOW (window), "hello world");
g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
fixed = gtk_fixed_new ();
gtk_widget_set_halign (fixed, GTK_ALIGN_FILL);
gtk_widget_set_valign (fixed, GTK_ALIGN_FILL);
gtk_widget_set_hexpand (fixed, TRUE);
gtk_widget_set_vexpand (fixed, TRUE);
button = gtk_button_new ();
gtk_button_set_label (GTK_BUTTON (button), "Hello world");
//gtk_widget_set_size_request (button, 50, 50);
g_signal_connect (button, "clicked", G_CALLBACK (hello), NULL);
gtk_fixed_put (GTK_FIXED (fixed), button, 0, 0);
transform = NULL;
transform = gsk_transform_translate_3d (transform, &GRAPHENE_POINT3D_INIT (0, 0, 50));
transform = gsk_transform_perspective (transform, 170);
transform = gsk_transform_translate_3d (transform, &GRAPHENE_POINT3D_INIT (50, 0, 50));
transform = gsk_transform_rotate (transform, 30);
transform = gsk_transform_rotate_3d (transform, 30, graphene_vec3_y_axis ());
gtk_fixed_set_child_transform (GTK_FIXED (fixed), button, transform);
gtk_window_set_child (GTK_WINDOW (window), fixed);
gtk_widget_show (window);
while (!done)
g_main_context_iteration (NULL, TRUE);
return 0;
}