mirror of https://github.com/GNOME/gimp.git
added "drawable" as construct-only property so that the widget can be
2006-02-26 Sven Neumann <sven@gimp.org> * libgimp/gimpaspectpreview.c: added "drawable" as construct-only property so that the widget can be constructed using g_object_new().
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@ -1,3 +1,8 @@
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2006-02-26 Sven Neumann <sven@gimp.org>
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* libgimp/gimpaspectpreview.c: added "drawable" as construct-only
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property so that the widget can be constructed using g_object_new().
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2006-02-26 Sven Neumann <sven@gimp.org>
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* libgimp/gimpdrawablepreview.c: added "drawable" as construct-only
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@ -34,12 +34,34 @@
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#include "gimpaspectpreview.h"
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static void gimp_aspect_preview_style_set (GtkWidget *widget,
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GtkStyle *prev_style);
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static void gimp_aspect_preview_draw (GimpPreview *preview);
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static void gimp_aspect_preview_draw_buffer (GimpPreview *preview,
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const guchar *buffer,
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gint rowstride);
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enum
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{
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PROP_0,
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PROP_DRAWABLE
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};
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static GObject * gimp_aspect_preview_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params);
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static void gimp_aspect_preview_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void gimp_aspect_preview_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gimp_aspect_preview_style_set (GtkWidget *widget,
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GtkStyle *prev_style);
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static void gimp_aspect_preview_draw (GimpPreview *preview);
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static void gimp_aspect_preview_draw_buffer (GimpPreview *preview,
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const guchar *buffer,
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gint rowstride);
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static void gimp_aspect_preview_set_drawable (GimpAspectPreview *preview,
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GimpDrawable *drawable);
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G_DEFINE_TYPE (GimpAspectPreview, gimp_aspect_preview, GIMP_TYPE_PREVIEW);
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@ -50,13 +72,28 @@ G_DEFINE_TYPE (GimpAspectPreview, gimp_aspect_preview, GIMP_TYPE_PREVIEW);
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static void
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gimp_aspect_preview_class_init (GimpAspectPreviewClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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GimpPreviewClass *preview_class = GIMP_PREVIEW_CLASS (klass);
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object_class->constructor = gimp_aspect_preview_constructor;
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object_class->get_property = gimp_aspect_preview_get_property;
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object_class->set_property = gimp_aspect_preview_set_property;
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widget_class->style_set = gimp_aspect_preview_style_set;
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preview_class->draw = gimp_aspect_preview_draw;
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preview_class->draw_buffer = gimp_aspect_preview_draw_buffer;
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/**
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* GimpAspectPreview:drawable:
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*
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* Since: GIMP 2.4
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*/
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g_object_class_install_property (object_class, PROP_DRAWABLE,
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g_param_spec_pointer ("drawable", NULL, NULL,
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GIMP_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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@ -68,6 +105,59 @@ gimp_aspect_preview_init (GimpAspectPreview *preview)
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NULL);
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}
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static GObject *
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gimp_aspect_preview_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params)
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{
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GObject *object;
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object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
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return object;
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}
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static void
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gimp_aspect_preview_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GimpAspectPreview *preview = GIMP_ASPECT_PREVIEW (object);
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switch (property_id)
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{
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case PROP_DRAWABLE:
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g_value_set_pointer (value, preview->drawable);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_aspect_preview_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GimpAspectPreview *preview = GIMP_ASPECT_PREVIEW (object);
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switch (property_id)
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{
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case PROP_DRAWABLE:
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gimp_aspect_preview_set_drawable (preview,
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g_value_get_pointer (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_aspect_preview_style_set (GtkWidget *widget,
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GtkStyle *prev_style)
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@ -163,6 +253,37 @@ gimp_aspect_preview_draw_buffer (GimpPreview *preview,
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}
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}
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static void
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gimp_aspect_preview_set_drawable (GimpAspectPreview *preview,
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GimpDrawable *drawable)
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{
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gint width, height;
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gint max_width, max_height;
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preview->drawable = drawable;
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width = gimp_drawable_width (drawable->drawable_id);
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height = gimp_drawable_height (drawable->drawable_id);
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if (width > height)
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{
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max_width = MIN (width, 512);
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max_height = (height * max_width) / width;
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}
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else
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{
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max_height = MIN (height, 512);
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max_width = (width * max_height) / height;
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}
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gimp_preview_set_bounds (GIMP_PREVIEW (preview),
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0, 0, max_width, max_height);
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if (height > 0)
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g_object_set (GIMP_PREVIEW (preview)->frame,
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"ratio", (gdouble) width / (gdouble) height,
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NULL);
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}
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static void
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gimp_aspect_preview_notify_update (GimpPreview *preview,
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GParamSpec *pspec,
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@ -186,32 +307,13 @@ GtkWidget *
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gimp_aspect_preview_new (GimpDrawable *drawable,
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gboolean *toggle)
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{
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GimpAspectPreview *preview;
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gint width, height;
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gint max_width, max_height;
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GtkWidget *preview;
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preview = g_object_new (GIMP_TYPE_ASPECT_PREVIEW, NULL);
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g_return_val_if_fail (drawable != NULL, NULL);
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preview->drawable = drawable;
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width = gimp_drawable_width (drawable->drawable_id);
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height = gimp_drawable_height (drawable->drawable_id);
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if (width > height)
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{
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max_width = MIN (width, 512);
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max_height = (height * max_width) / width;
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}
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else
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{
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max_height = MIN (height, 512);
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max_width = (width * max_height) / height;
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}
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gimp_preview_set_bounds (GIMP_PREVIEW (preview),
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0, 0, max_width, max_height);
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g_object_set (GIMP_PREVIEW (preview)->frame,
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"ratio", (gdouble) width / (gdouble) height,
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NULL);
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preview = g_object_new (GIMP_TYPE_ASPECT_PREVIEW,
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"drawable", drawable,
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NULL);
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if (toggle)
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{
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@ -223,5 +325,5 @@ gimp_aspect_preview_new (GimpDrawable *drawable,
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}
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return GTK_WIDGET (preview);
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return preview;
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}
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