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testsvg: Some additions

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Load a file from the commandline, and implement
intrinsic width/height.
This commit is contained in:
Matthias Clasen 2020-08-05 23:53:29 -04:00
parent 9212d95b0f
commit 2eec82c32a
1 changed files with 36 additions and 0 deletions
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36
tests/testsvg.c
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@ -61,10 +61,34 @@ svg_paintable_snapshot (GdkPaintable *paintable,
cairo_destroy (cr); cairo_destroy (cr);
} }
static int
svg_paintable_get_intrinsic_width (GdkPaintable *paintable)
{
SvgPaintable *self = SVG_PAINTABLE (paintable);
RsvgDimensionData data;
rsvg_handle_get_dimensions (self->handle, &data);
return data.width;
}
static int
svg_paintable_get_intrinsic_height (GdkPaintable *paintable)
{
SvgPaintable *self = SVG_PAINTABLE (paintable);
RsvgDimensionData data;
rsvg_handle_get_dimensions (self->handle, &data);
return data.height;
}
static void static void
svg_paintable_init_interface (GdkPaintableInterface *iface) svg_paintable_init_interface (GdkPaintableInterface *iface)
{ {
iface->snapshot = svg_paintable_snapshot; iface->snapshot = svg_paintable_snapshot;
iface->get_intrinsic_width = svg_paintable_get_intrinsic_width;
iface->get_intrinsic_height = svg_paintable_get_intrinsic_height;
} }
G_DEFINE_TYPE_WITH_CODE (SvgPaintable, svg_paintable, G_TYPE_OBJECT, G_DEFINE_TYPE_WITH_CODE (SvgPaintable, svg_paintable, G_TYPE_OBJECT,
@ -104,6 +128,8 @@ svg_paintable_set_property (GObject *object,
RSVG_HANDLE_FLAGS_NONE, RSVG_HANDLE_FLAGS_NONE,
NULL, NULL,
NULL); NULL);
rsvg_handle_set_dpi (handle, 90);
g_set_object (&self->file, file); g_set_object (&self->file, file);
g_set_object (&self->handle, handle); g_set_object (&self->handle, handle);
} }
@ -194,12 +220,22 @@ main (int argc, char *argv[])
gtk_header_bar_pack_start (GTK_HEADER_BAR (header), button); gtk_header_bar_pack_start (GTK_HEADER_BAR (header), button);
picture = gtk_picture_new (); picture = gtk_picture_new ();
gtk_picture_set_can_shrink (GTK_PICTURE (picture), TRUE);
g_signal_connect (button, "file-set", G_CALLBACK (file_set), picture); g_signal_connect (button, "file-set", G_CALLBACK (file_set), picture);
gtk_window_set_child (GTK_WINDOW (window), picture); gtk_window_set_child (GTK_WINDOW (window), picture);
gtk_window_present (GTK_WINDOW (window)); gtk_window_present (GTK_WINDOW (window));
if (argc > 1)
{
GFile *file = g_file_new_for_commandline_arg (argv[1]);
gtk_file_chooser_set_file (GTK_FILE_CHOOSER (button), file, NULL);
file_set (GTK_FILE_CHOOSER_BUTTON (button), picture);
g_object_unref (file);
}
while (g_list_model_get_n_items (gtk_window_get_toplevels ()) > 0) while (g_list_model_get_n_items (gtk_window_get_toplevels ()) > 0)
g_main_context_iteration (NULL, TRUE); g_main_context_iteration (NULL, TRUE);