forked from AuroraMiddleware/gtk
Turn the pixbuf attributes into (construct-only, but always readable)
Sun Jan 4 00:44:57 2004 Matthias Clasen <maclas@gmx.de> * gdk-pixbuf.c (gdk_pixbuf_class_init): Turn the pixbuf attributes into (construct-only, but always readable) properties. (#130196) * gdk-pixbuf-data.c (gdk_pixbuf_new_from_data): Set properties in g_object_new().
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Matthias Clasen
Matthias Clasen
parent
19c17861c6
commit
ab74970131
@ -1,3 +1,12 @@
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Sun Jan 4 00:44:57 2004 Matthias Clasen <maclas@gmx.de>
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* gdk-pixbuf.c (gdk_pixbuf_class_init): Turn the pixbuf
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attributes into (construct-only, but always readable)
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properties. (#130196)
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* gdk-pixbuf-data.c (gdk_pixbuf_new_from_data): Set properties
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in g_object_new().
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Mon Dec 22 01:35:36 2003 Matthias Clasen <maclas@gmx.de>
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* Makefile.am (gdk-pixbuf.loaders): Fix building with
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@ -61,16 +61,17 @@ gdk_pixbuf_new_from_data (const guchar *data, GdkColorspace colorspace, gboolean
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g_return_val_if_fail (width > 0, NULL);
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g_return_val_if_fail (height > 0, NULL);
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pixbuf = g_object_new (GDK_TYPE_PIXBUF, NULL);
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pixbuf = g_object_new (GDK_TYPE_PIXBUF,
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"colorspace", colorspace,
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"n_channels", has_alpha ? 4 : 3,
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"bits_per_sample", bits_per_sample,
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"has_alpha", has_alpha ? TRUE : FALSE,
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"width", width,
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"height", height,
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"rowstride", rowstride,
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"pixels", data,
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NULL);
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pixbuf->colorspace = colorspace;
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pixbuf->n_channels = has_alpha ? 4 : 3;
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pixbuf->bits_per_sample = bits_per_sample;
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pixbuf->has_alpha = has_alpha ? TRUE : FALSE;
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pixbuf->width = width;
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pixbuf->height = height;
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pixbuf->rowstride = rowstride;
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pixbuf->pixels = (guchar *) data;
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pixbuf->destroy_fn = destroy_fn;
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pixbuf->destroy_fn_data = destroy_fn_data;
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@ -30,10 +30,30 @@
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#include "gdk-pixbuf.h"
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#include "gdk-pixbuf-private.h"
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static void gdk_pixbuf_class_init (GdkPixbufClass *klass);
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static void gdk_pixbuf_finalize (GObject *object);
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static void gdk_pixbuf_class_init (GdkPixbufClass *klass);
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static void gdk_pixbuf_finalize (GObject *object);
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static void gdk_pixbuf_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gdk_pixbuf_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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enum
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{
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PROP_0,
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PROP_COLORSPACE,
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PROP_N_CHANNELS,
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PROP_HAS_ALPHA,
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PROP_BITS_PER_SAMPLE,
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PROP_WIDTH,
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PROP_HEIGHT,
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PROP_ROWSTRIDE,
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PROP_PIXELS
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};
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static gpointer parent_class;
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@ -71,6 +91,91 @@ gdk_pixbuf_class_init (GdkPixbufClass *klass)
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parent_class = g_type_class_peek_parent (klass);
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object_class->finalize = gdk_pixbuf_finalize;
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object_class->set_property = gdk_pixbuf_set_property;
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object_class->get_property = gdk_pixbuf_get_property;
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g_object_class_install_property (object_class,
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PROP_N_CHANNELS,
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g_param_spec_int ("n_channels",
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_("Number of Channels"),
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_("The number of samples per pixel"),
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0,
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G_MAXINT,
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3,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_COLORSPACE,
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g_param_spec_enum ("colorspace",
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_("Colorspace"),
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_("The colorspace in which the samples are interpreted"),
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GDK_TYPE_COLORSPACE,
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GDK_COLORSPACE_RGB,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_HAS_ALPHA,
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g_param_spec_boolean ("has_alpha",
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_("Has Alpha"),
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_("Whether the pixbuf has an alpha channel"),
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FALSE,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_BITS_PER_SAMPLE,
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g_param_spec_int ("bits_per_sample",
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_("Bits per Sample"),
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_("The number of bits per sample"),
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1,
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16,
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8,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_WIDTH,
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g_param_spec_int ("width",
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_("Width"),
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_("The number of columns of the pixbuf"),
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1,
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G_MAXINT,
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1,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_HEIGHT,
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g_param_spec_int ("height",
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_("Height"),
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_("The number of rows of the pixbuf"),
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1,
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G_MAXINT,
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1,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_ROWSTRIDE,
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g_param_spec_int ("rowstride",
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_("Rowstride"),
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_("The number of bytes between the start of a row and the start of the next row"),
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1,
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G_MAXINT,
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1,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_PIXELS,
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g_param_spec_pointer ("pixels",
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_("Pixels"),
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_("A pointer to the pixel data of the pixbuf"),
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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@ -580,6 +685,86 @@ gdk_pixbuf_set_option (GdkPixbuf *pixbuf,
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return TRUE;
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}
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static void
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gdk_pixbuf_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GdkPixbuf *pixbuf = GDK_PIXBUF (object);
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switch (prop_id)
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{
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case PROP_COLORSPACE:
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pixbuf->colorspace = g_value_get_enum (value);
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break;
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case PROP_N_CHANNELS:
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pixbuf->n_channels = g_value_get_int (value);
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break;
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case PROP_HAS_ALPHA:
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pixbuf->has_alpha = g_value_get_boolean (value);
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break;
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case PROP_BITS_PER_SAMPLE:
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pixbuf->bits_per_sample = g_value_get_int (value);
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break;
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case PROP_WIDTH:
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pixbuf->width = g_value_get_int (value);
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break;
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case PROP_HEIGHT:
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pixbuf->height = g_value_get_int (value);
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break;
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case PROP_ROWSTRIDE:
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pixbuf->rowstride = g_value_get_int (value);
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break;
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case PROP_PIXELS:
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pixbuf->pixels = (guchar *) 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, prop_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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gdk_pixbuf_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GdkPixbuf *pixbuf = GDK_PIXBUF (object);
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switch (prop_id)
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{
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case PROP_COLORSPACE:
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g_value_set_enum (value, gdk_pixbuf_get_colorspace (pixbuf));
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break;
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case PROP_N_CHANNELS:
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g_value_set_int (value, gdk_pixbuf_get_n_channels (pixbuf));
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break;
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case PROP_HAS_ALPHA:
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g_value_set_boolean (value, gdk_pixbuf_get_has_alpha (pixbuf));
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break;
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case PROP_BITS_PER_SAMPLE:
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g_value_set_int (value, gdk_pixbuf_get_bits_per_sample (pixbuf));
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break;
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case PROP_WIDTH:
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g_value_set_int (value, gdk_pixbuf_get_width (pixbuf));
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break;
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case PROP_HEIGHT:
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g_value_set_int (value, gdk_pixbuf_get_height (pixbuf));
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break;
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case PROP_ROWSTRIDE:
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g_value_set_int (value, gdk_pixbuf_get_rowstride (pixbuf));
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break;
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case PROP_PIXELS:
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g_value_set_pointer (value, gdk_pixbuf_get_pixels (pixbuf));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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/* Include the marshallers */
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