libgdk_pixbuf_la_SOURCES = \
gdk-pixbuf.c \
+ gdk-pixbuf-loader.c \
gdk-pixbuf-io.c \
gdk-pixbuf-data.c
libgdk_pixbuf_la_LDFLAGS = -version-info 1:0:0
libgdk_pixbufinclude_HEADERS = \
- gdk-pixbuf.h
+ gdk-pixbuf.h \
+ gdk-pixbuf-loader.h
#
# The PNG plugin.
--- /dev/null
+/* GdkPixbuf library - Main header file
+ *
+ * Copyright (C) 1999 The Free Software Foundation
+ *
+ * Authors: Mark Crichton <crichton@gimp.org>
+ * Miguel de Icaza <miguel@gnu.org>
+ * Federico Mena-Quintero <federico@gimp.org>
+ * Jonathan Blandford <jrb@redhat.com>
+ *
+ * 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "gdk-pixbuf-loader.h"
+
+
+static GtkObjectClass *parent_class;
+
+static void gdk_pixbuf_loader_class_init (GdkPixbufLoaderClass *klass);
+static void gdk_pixbuf_loader_init (GdkPixbufLoader *loader);
+static void gdk_pixbuf_loader_destroy (GdkPixbufLoader *loader);
+static void gdk_pixbuf_loader_finalize (GdkPixbufLoader *loader);
+
+/* Internal data */
+typedef struct _GdkPixbufLoaderPrivate GdkPixbufLoaderPrivate;
+struct _GdkPixbufLoaderPrivate
+{
+ GdkPixbuf *pixbuf;
+ gboolean closed;
+};
+
+GtkType
+gdk_pixbuf_loader_get_type (void)
+{
+ static GtkType loader_type = 0;
+
+ if (!loader_type) {
+ static const GtkTypeInfo loader_info = {
+ "GdkPixbufLoader",
+ sizeof (GdkPixbufLoader),
+ sizeof (GdkPixbufLoaderClass),
+ (GtkClassInitFunc) gdk_pixbuf_loader_class_init,
+ (GtkObjectInitFunc) gdk_pixbuf_loader_init,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ loader_type = gtk_type_unique (GTK_TYPE_OBJECT, &loader_info);
+ }
+
+ return loader_type;
+}
+
+static void
+gdk_pixbuf_loader_class_init (GdkPixbufLoaderClass *klass)
+{
+ parent_class = GTK_OBJECT_CLASS (klass);
+
+ parent_class->destroy = gdk_pixbuf_loader_destroy;
+ parent_class->finalize = gdk_pixbuf_loader_finalize;
+}
+
+static void
+gdk_pixbuf_loader_init (GdkPixbufLoader *loader)
+{
+ GdkPixbuf *pixbuf;
+ loader->private = g_new (GdkPixbufLoaderPrivate, 1);
+
+ loader->pixbuf = NULL;
+ loader->closed = FALSE;
+}
+
+static void
+gdk_pixbuf_loader_destroy (GdkPixbufLoader *loader)
+{
+ GdkPixbufLoaderPrivate *priv;
+
+ priv = loader->private;
+ gdk_pixbuf_unref (priv->pixbuf);
+}
+
+static void
+gdk_pixbuf_loader_finalize (GdkPixbufLoader *loader)
+{
+ GdkPixbufLoaderPrivate *priv;
+
+ priv = loader->private;
+ g_free (priv);
+}
+
+/* Public functions */
+GtkObject *
+gdk_pixbuf_loader_new (void)
+{
+ GdkPixbufLoader *loader;
+
+ loader = gtk_type_new (gdk_pixbuf_loader_get_type ());
+
+ return GTK_OBJECT (loader);
+}
+
+/**
+ * gdk_pixbuf_loader_write:
+ * @loader: A loader.
+ * @buf: The image data.
+ * @count: The length of @buf in bytes.
+ *
+ * This will load the next @size bytes of the image. It will return TRUE if the
+ * data was loaded successfully, and FALSE if an error occurred. In this case,
+ * the loader will be closed, and will not accept further writes.
+ *
+ * Return value: Returns TRUE if the write was successful -- FALSE if the loader
+ * cannot parse the buf.
+ **/
+gboolean
+gdk_pixbuf_loader_write (GdkPixbufLoader *loader, gchar *buf, size_t count)
+{
+ GdkPixbufLoaderPrivate *priv;
+
+ g_return_val_if_fail (loader != NULL, FALSE);
+ g_return_val_if_fail (GDK_IS_PIXBUF_LOADER (loader), FALSE);
+
+ priv = loader->private;
+
+ /* we expect it's not to be closed */
+ g_return_val_if_fail (priv->closed == FALSE, FALSE);
+
+ return TRUE;
+}
+
+/**
+ * gdk_pixbuf_loader_get_pixbuf:
+ * @loader: A loader.
+ *
+ * Gets the GdkPixbuf that the loader is currently loading. If the loader
+ * hasn't been enough data via gdk_pixbuf_loader_write, then NULL is returned.
+ * Any application using this function should check for this value when it is
+ * used. The pixbuf returned will be the same in all future calls to the
+ * loader, so simply calling a gdk_pixbuf_ref() should be sufficient to continue
+ * using it.
+ *
+ * Return value: The GdkPixbuf that the loader is loading.
+ **/
+GdkPixbuf *
+gdk_pixbuf_loader_get_pixbuf (GdkPixbufLoader *loader)
+{
+ GdkPixbufLoaderPrivate *priv;
+
+ g_return_val_if_fail (loader != NULL, NULL);
+ g_return_val_if_fail (GDK_IS_PIXBUF_LOADER (loader), NULL);
+ priv = loader->private;
+
+ return priv->pixbuf;
+}
+
+/**
+ * gdk_pixbuf_loader_close:
+ * @loader: A loader.
+ *
+ * Tells the loader to stop accepting writes
+ *
+ **/
+void
+gdk_pixbuf_loader_close (GdkPixbufLoader *loader)
+{
+ GdkPixbufLoaderPrivate *priv;
+
+ g_return_if_fail (loader != NULL);
+ g_return_if_fail (GDK_IS_PIXBUF_LOADER (loader));
+
+ priv = loader->private;
+
+ /* we expect it's not closed */
+ g_return_if_fail (priv->closed == FALSE);
+ priv->closed = TRUE;
+}
+
--- /dev/null
+/* GdkPixbuf library - Main header file
+ *
+ * Copyright (C) 1999 The Free Software Foundation
+ *
+ * Authors: Mark Crichton <crichton@gimp.org>
+ * Miguel de Icaza <miguel@gnu.org>
+ * Federico Mena-Quintero <federico@gimp.org>
+ * Jonathan Blandford <jrb@redhat.com>
+ *
+ * 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef GDK_PIXBUF_LOADER_H
+#define GDK_PIXBUF_LOADER_H
+
+#include <unistd.h>
+#include <gtk/gtkobject.h>
+#include "gdk-pixbuf.h"
+
+#ifdef __cplusplus
+extern "C" {
+#pragma }
+#endif
+
+\f
+
+#define GDK_TYPE_PIXBUF_LOADER (gtk_pixbuf_get_type ())
+#define GDK_PIXBUF_LOADER (obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_HBOX, GtkHBox))
+#define GDK_PIXBUF_LOADER_CLASS (klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_HBOX, GtkHBoxClass))
+#define GDK_IS_PIXBUF_LOADER (obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_HBOX))
+#define GDK_IS_PIXBUF_LOADER_CLASS (klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_HBOX))
+
+
+typedef struct _GdkPixbufLoader GdkPixbufLoader;
+struct _GdkPixbufLoader
+{
+ GtkObject object;
+
+ /* < Private > */
+ gpointer data;
+};
+
+typedef struct _GdkPixbufLoaderClass GdkPixbufLoaderClass;
+struct _GdkPixbufLoaderClass {
+ GtkObjectClass parent_class;
+#if 0
+ /* If it get's implemented */
+ void (* area_updated) (GdkPixbufLoader *loader,
+ int x, int y, int width, int height);
+#endif
+};
+
+\f
+
+GtkObject *gdk_pixbuf_loader_new (void);
+gboolean gdk_pixbuf_loader_write (GdkPixbufLoader *loader, gchar *buf, size_t count);
+GdkPixbuf *gdk_pixbuf_loader_get_pixbuf (GdkPixbufLoader *loader);
+void gdk_pixbuf_loader_close (GdkPixbufLoader *loader);
+
+\f
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
#ifdef __cplusplus
extern "C" {
+#pragma }
#endif
\f
ArtDestroyNotify dfunc, gpointer dfunc_data);
GdkPixbuf *gdk_pixbuf_new_from_xpm_data (const gchar **data);
+
/* Transformations */
#if 0
GdkPixbuf *gdk_pixbuf_scale (const GdkPixbuf *pixbuf, gint w, gint h);
--- /dev/null
+/* GdkPixbuf library - Main header file
+ *
+ * Copyright (C) 1999 The Free Software Foundation
+ *
+ * Authors: Mark Crichton <crichton@gimp.org>
+ * Miguel de Icaza <miguel@gnu.org>
+ * Federico Mena-Quintero <federico@gimp.org>
+ * Jonathan Blandford <jrb@redhat.com>
+ *
+ * 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "gdk-pixbuf-loader.h"
+
+
+static GtkObjectClass *parent_class;
+
+static void gdk_pixbuf_loader_class_init (GdkPixbufLoaderClass *klass);
+static void gdk_pixbuf_loader_init (GdkPixbufLoader *loader);
+static void gdk_pixbuf_loader_destroy (GdkPixbufLoader *loader);
+static void gdk_pixbuf_loader_finalize (GdkPixbufLoader *loader);
+
+/* Internal data */
+typedef struct _GdkPixbufLoaderPrivate GdkPixbufLoaderPrivate;
+struct _GdkPixbufLoaderPrivate
+{
+ GdkPixbuf *pixbuf;
+ gboolean closed;
+};
+
+GtkType
+gdk_pixbuf_loader_get_type (void)
+{
+ static GtkType loader_type = 0;
+
+ if (!loader_type) {
+ static const GtkTypeInfo loader_info = {
+ "GdkPixbufLoader",
+ sizeof (GdkPixbufLoader),
+ sizeof (GdkPixbufLoaderClass),
+ (GtkClassInitFunc) gdk_pixbuf_loader_class_init,
+ (GtkObjectInitFunc) gdk_pixbuf_loader_init,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ loader_type = gtk_type_unique (GTK_TYPE_OBJECT, &loader_info);
+ }
+
+ return loader_type;
+}
+
+static void
+gdk_pixbuf_loader_class_init (GdkPixbufLoaderClass *klass)
+{
+ parent_class = GTK_OBJECT_CLASS (klass);
+
+ parent_class->destroy = gdk_pixbuf_loader_destroy;
+ parent_class->finalize = gdk_pixbuf_loader_finalize;
+}
+
+static void
+gdk_pixbuf_loader_init (GdkPixbufLoader *loader)
+{
+ GdkPixbuf *pixbuf;
+ loader->private = g_new (GdkPixbufLoaderPrivate, 1);
+
+ loader->pixbuf = NULL;
+ loader->closed = FALSE;
+}
+
+static void
+gdk_pixbuf_loader_destroy (GdkPixbufLoader *loader)
+{
+ GdkPixbufLoaderPrivate *priv;
+
+ priv = loader->private;
+ gdk_pixbuf_unref (priv->pixbuf);
+}
+
+static void
+gdk_pixbuf_loader_finalize (GdkPixbufLoader *loader)
+{
+ GdkPixbufLoaderPrivate *priv;
+
+ priv = loader->private;
+ g_free (priv);
+}
+
+/* Public functions */
+GtkObject *
+gdk_pixbuf_loader_new (void)
+{
+ GdkPixbufLoader *loader;
+
+ loader = gtk_type_new (gdk_pixbuf_loader_get_type ());
+
+ return GTK_OBJECT (loader);
+}
+
+/**
+ * gdk_pixbuf_loader_write:
+ * @loader: A loader.
+ * @buf: The image data.
+ * @count: The length of @buf in bytes.
+ *
+ * This will load the next @size bytes of the image. It will return TRUE if the
+ * data was loaded successfully, and FALSE if an error occurred. In this case,
+ * the loader will be closed, and will not accept further writes.
+ *
+ * Return value: Returns TRUE if the write was successful -- FALSE if the loader
+ * cannot parse the buf.
+ **/
+gboolean
+gdk_pixbuf_loader_write (GdkPixbufLoader *loader, gchar *buf, size_t count)
+{
+ GdkPixbufLoaderPrivate *priv;
+
+ g_return_val_if_fail (loader != NULL, FALSE);
+ g_return_val_if_fail (GDK_IS_PIXBUF_LOADER (loader), FALSE);
+
+ priv = loader->private;
+
+ /* we expect it's not to be closed */
+ g_return_val_if_fail (priv->closed == FALSE, FALSE);
+
+ return TRUE;
+}
+
+/**
+ * gdk_pixbuf_loader_get_pixbuf:
+ * @loader: A loader.
+ *
+ * Gets the GdkPixbuf that the loader is currently loading. If the loader
+ * hasn't been enough data via gdk_pixbuf_loader_write, then NULL is returned.
+ * Any application using this function should check for this value when it is
+ * used. The pixbuf returned will be the same in all future calls to the
+ * loader, so simply calling a gdk_pixbuf_ref() should be sufficient to continue
+ * using it.
+ *
+ * Return value: The GdkPixbuf that the loader is loading.
+ **/
+GdkPixbuf *
+gdk_pixbuf_loader_get_pixbuf (GdkPixbufLoader *loader)
+{
+ GdkPixbufLoaderPrivate *priv;
+
+ g_return_val_if_fail (loader != NULL, NULL);
+ g_return_val_if_fail (GDK_IS_PIXBUF_LOADER (loader), NULL);
+ priv = loader->private;
+
+ return priv->pixbuf;
+}
+
+/**
+ * gdk_pixbuf_loader_close:
+ * @loader: A loader.
+ *
+ * Tells the loader to stop accepting writes
+ *
+ **/
+void
+gdk_pixbuf_loader_close (GdkPixbufLoader *loader)
+{
+ GdkPixbufLoaderPrivate *priv;
+
+ g_return_if_fail (loader != NULL);
+ g_return_if_fail (GDK_IS_PIXBUF_LOADER (loader));
+
+ priv = loader->private;
+
+ /* we expect it's not closed */
+ g_return_if_fail (priv->closed == FALSE);
+ priv->closed = TRUE;
+}
+
--- /dev/null
+/* GdkPixbuf library - Main header file
+ *
+ * Copyright (C) 1999 The Free Software Foundation
+ *
+ * Authors: Mark Crichton <crichton@gimp.org>
+ * Miguel de Icaza <miguel@gnu.org>
+ * Federico Mena-Quintero <federico@gimp.org>
+ * Jonathan Blandford <jrb@redhat.com>
+ *
+ * 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef GDK_PIXBUF_LOADER_H
+#define GDK_PIXBUF_LOADER_H
+
+#include <unistd.h>
+#include <gtk/gtkobject.h>
+#include "gdk-pixbuf.h"
+
+#ifdef __cplusplus
+extern "C" {
+#pragma }
+#endif
+
+\f
+
+#define GDK_TYPE_PIXBUF_LOADER (gtk_pixbuf_get_type ())
+#define GDK_PIXBUF_LOADER (obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_HBOX, GtkHBox))
+#define GDK_PIXBUF_LOADER_CLASS (klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_HBOX, GtkHBoxClass))
+#define GDK_IS_PIXBUF_LOADER (obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_HBOX))
+#define GDK_IS_PIXBUF_LOADER_CLASS (klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_HBOX))
+
+
+typedef struct _GdkPixbufLoader GdkPixbufLoader;
+struct _GdkPixbufLoader
+{
+ GtkObject object;
+
+ /* < Private > */
+ gpointer data;
+};
+
+typedef struct _GdkPixbufLoaderClass GdkPixbufLoaderClass;
+struct _GdkPixbufLoaderClass {
+ GtkObjectClass parent_class;
+#if 0
+ /* If it get's implemented */
+ void (* area_updated) (GdkPixbufLoader *loader,
+ int x, int y, int width, int height);
+#endif
+};
+
+\f
+
+GtkObject *gdk_pixbuf_loader_new (void);
+gboolean gdk_pixbuf_loader_write (GdkPixbufLoader *loader, gchar *buf, size_t count);
+GdkPixbuf *gdk_pixbuf_loader_get_pixbuf (GdkPixbufLoader *loader);
+void gdk_pixbuf_loader_close (GdkPixbufLoader *loader);
+
+\f
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
projects / ~andy / gtk / commitdiff