ev-image.c File Reference

#include <config.h>
#include <glib/gstdio.h>
#include <unistd.h>
#include "ev-document-misc.h"
#include "ev-file-helpers.h"
#include "ev-image.h"

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Data Structures
struct	_EvImagePrivate

Macros
#define	EV_IMAGE_GET_PRIVATE(object)   (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_IMAGE, EvImagePrivate))

Functions
static void	ev_image_finalize (GObject *object)
static void	ev_image_class_init (EvImageClass *klass)
static void	ev_image_init (EvImage *image)
EvImage *	ev_image_new (gint page, gint img_id)
EvImage *	ev_image_new_from_pixbuf (GdkPixbuf *pixbuf)
gint	ev_image_get_page (EvImage *image)
gint	ev_image_get_id (EvImage *image)
GdkPixbuf *	ev_image_get_pixbuf (EvImage *image)
const gchar *	ev_image_save_tmp (EvImage *image, GdkPixbuf *pixbuf)
const gchar *	ev_image_get_tmp_uri (EvImage *image)

Macro Definition Documentation

#define EV_IMAGE_GET_PRIVATE

(

object)

(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_IMAGE, EvImagePrivate))

Definition at line 36 of file ev-image.c.

Function Documentation

static void ev_image_class_init ( EvImageClass *  klass)

static

Definition at line 65 of file ev-image.c.

{
    GObjectClass *g_object_class;

    g_object_class = G_OBJECT_CLASS (klass);

    g_type_class_add_private (g_object_class, sizeof (EvImagePrivate));

    g_object_class->finalize = ev_image_finalize;
}

static void ev_image_finalize ( GObject *  object)

static

Definition at line 42 of file ev-image.c.

{
    EvImage *image = EV_IMAGE (object);

    if (image->priv->pixbuf) {
        g_object_unref (image->priv->pixbuf);
        image->priv->pixbuf = NULL;
    }

    if (image->priv->tmp_uri) {
        gchar *filename;

        filename = g_filename_from_uri (image->priv->tmp_uri, NULL, NULL);
        ev_tmp_filename_unlink (filename);
        g_free (filename);
        g_free (image->priv->tmp_uri);
        image->priv->tmp_uri = NULL;
    }

    (* G_OBJECT_CLASS (ev_image_parent_class)->finalize) (object);
}

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gint ev_image_get_id

(

EvImage *

image)

Definition at line 117 of file ev-image.c.

{
    g_return_val_if_fail (EV_IS_IMAGE (image), -1);

    return image->priv->id;
}

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gint ev_image_get_page

(

EvImage *

image)

Definition at line 109 of file ev-image.c.

{
    g_return_val_if_fail (EV_IS_IMAGE (image), -1);

    return image->priv->page;
}

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GdkPixbuf* ev_image_get_pixbuf

(

EvImage *

image)

ev_image_get_pixbuf: an EvImage

Returns: (transfer none): a #GdkPixbuf

Definition at line 131 of file ev-image.c.

{
    g_return_val_if_fail (EV_IS_IMAGE (image), NULL);
    g_return_val_if_fail (GDK_IS_PIXBUF (image->priv->pixbuf), NULL);

    return image->priv->pixbuf;
}

const gchar* ev_image_get_tmp_uri

(

EvImage *

image)

Definition at line 182 of file ev-image.c.

{
    g_return_val_if_fail (EV_IS_IMAGE (image), NULL);

    return image->priv->tmp_uri;
}

static void ev_image_init ( EvImage *  image)

static

Definition at line 77 of file ev-image.c.

{
    image->priv = EV_IMAGE_GET_PRIVATE (image);
}

EvImage* ev_image_new	(	gint	page,
		gint	img_id
	)

Definition at line 83 of file ev-image.c.

{
    EvImage *image;

    image = EV_IMAGE (g_object_new (EV_TYPE_IMAGE, NULL));
    image->priv->page = page;
    image->priv->id = img_id;

    return image;
}

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EvImage* ev_image_new_from_pixbuf

(

GdkPixbuf *

pixbuf)

Definition at line 96 of file ev-image.c.

{
    EvImage *image;

    g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);

    image = EV_IMAGE (g_object_new (EV_TYPE_IMAGE, NULL));
    image->priv->pixbuf = g_object_ref (pixbuf);

    return image;
}

const gchar* ev_image_save_tmp	(	EvImage *	image,
		GdkPixbuf *	pixbuf
	)

Definition at line 140 of file ev-image.c.

{
    GError *error = NULL;
    gchar  *filename = NULL;
        int fd;
    
    g_return_val_if_fail (EV_IS_IMAGE (image), NULL);
    g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);

    if (image->priv->tmp_uri)
        return image->priv->tmp_uri;

    if ((fd = ev_mkstemp ("image.XXXXXX.png", &filename, &error)) == -1)
        goto had_error;

    gdk_pixbuf_save (pixbuf, filename,
             "png", &error,
             "compression", "3", NULL);
        close (fd);

    if (!error) {
        image->priv->tmp_uri = g_filename_to_uri (filename, NULL, &error);
                if (image->priv->tmp_uri == NULL)
                        goto had_error;

        g_free (filename);
        
        return image->priv->tmp_uri;
    }

    had_error:

    /* Erro saving image */
    g_warning ("Error saving image: %s", error->message);
    g_error_free (error);
    g_free (filename);

    return NULL;
}

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