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testwidgettransforms: Set transformation in size_allocate

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This commit is contained in:
Timm Bäder
2018-11-29 10:39:28 +01:00
parent 57cd3391f6
commit bcd6f0b75f
1 changed files with 34 additions and 56 deletions
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90
tests/testwidgettransforms.c
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@@ -106,8 +106,30 @@ gtk_transform_tester_size_allocate (GtkWidget *widget,
int baseline)
{
GtkTransformTester *self = (GtkTransformTester *)widget;
int w, h;
gtk_widget_size_allocate (self->test_widget, &(GtkAllocation){ 0, 0, width, height }, -1);
if (!self->test_widget)
return;
scale += 2.5f;
gtk_widget_measure (self->test_widget, GTK_ORIENTATION_HORIZONTAL, -1,
&w, NULL, NULL, NULL);
gtk_widget_measure (self->test_widget, GTK_ORIENTATION_VERTICAL, w,
&h, NULL, NULL, NULL);
graphene_matrix_init_identity (&global_transform);
graphene_matrix_translate (&global_transform, &(graphene_point3d_t){ -w/2.0f, -h/2.0f, 0});
graphene_matrix_rotate (&global_transform, scale,
graphene_vec3_z_axis ());
graphene_matrix_translate (&global_transform, &(graphene_point3d_t){ width / 2.0f, height / 2.0f, 0});
gtk_widget_size_allocate_transformed (self->test_widget,
w, h,
-1,
&global_transform);
}
static void
@@ -234,6 +256,16 @@ gtk_transform_tester_class_init (GtkTransformTesterClass *klass)
gtk_widget_class_set_css_name (widget_class, "test");
}
static gboolean
tick_cb (GtkWidget *widget,
GdkFrameClock *frame_clock,
gpointer user_data)
{
gtk_widget_queue_allocate (widget);
return G_SOURCE_CONTINUE;
}
static void
gtk_transform_tester_set_test_widget (GtkTransformTester *self,
GtkWidget *test_widget)
@@ -242,60 +274,8 @@ gtk_transform_tester_set_test_widget (GtkTransformTester *self,
self->test_widget = test_widget;
gtk_widget_set_parent (test_widget, (GtkWidget *)self);
}
static gboolean
transform_func (gpointer user_data)
{
GtkAllocation alloc;
scale += 2.5f;
gtk_widget_get_allocation (test_widget, &alloc);
graphene_matrix_init_identity (&global_transform);
graphene_matrix_translate (&global_transform,
&(graphene_point3d_t){
/*- alloc.width,*/
/*0,*/
- alloc.width / 2,
- alloc.height / 2,
0}
);
graphene_matrix_rotate (&global_transform, scale,
graphene_vec3_z_axis ());
graphene_matrix_translate (&global_transform,
&(graphene_point3d_t){
alloc.width / 2,
alloc.height /2,
0}
);
/*graphene_matrix_init_scale (&global_transform, 2, 2, 1);*/
gtk_widget_set_transform (test_widget, &global_transform);
/*graphene_matrix_init_scale (&global_transform, 0.5, 1, 1);*/
/*graphene_matrix_translate (&global_transform,*/
/*&(graphene_point3d_t){*/
/*alloc.width / 2, 0, 0*/
/*});*/
/*gtk_widget_set_transform (test_child, &global_transform);*/
gtk_widget_queue_draw (test_widget);
return G_SOURCE_CONTINUE;
gtk_widget_add_tick_callback (GTK_WIDGET (self), tick_cb, NULL, NULL);
}
static void
@@ -354,8 +334,6 @@ main (int argc, char **argv)
gtk_transform_tester_set_test_widget (GTK_TRANSFORM_TESTER (transform_tester), test_widget);
g_timeout_add (16, transform_func, NULL);
gtk_widget_set_vexpand (transform_tester, TRUE);
gtk_container_add (GTK_CONTAINER (box), transform_tester);
gtk_container_add (GTK_CONTAINER (box), matrix_chooser);