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app: port pattern loading to GIO

This commit is contained in:
Michael Natterer 2014-07-02 22:29:57 +02:00
parent b0f9a42fb3
commit 8202fa1a77
1 changed files with 40 additions and 54 deletions
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86
app/core/gimppattern-load.c
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@ -17,30 +17,6 @@
#include "config.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <fcntl.h>
#include <glib.h>
#include <glib/gstdio.h>
#ifdef G_OS_WIN32
#include <io.h>
#endif
#ifndef _O_BINARY
#define _O_BINARY 0
#endif
#include <cairo.h>
#include <gegl.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
@ -65,32 +41,31 @@ gimp_pattern_load (GimpContext *context,
{
GimpPattern *pattern = NULL;
const Babl *format = NULL;
gchar *path;
gint fd;
GInputStream *input;
PatternHeader header;
gsize size;
gsize bytes_read;
gint bn_size;
gchar *name = NULL;
GError *my_error = NULL;
g_return_val_if_fail (G_IS_FILE (file), NULL);
path = g_file_get_path (file);
g_return_val_if_fail (g_path_is_absolute (path), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
fd = g_open (path, O_RDONLY | _O_BINARY, 0);
g_free (path);
if (fd == -1)
input = G_INPUT_STREAM (g_file_read (file, NULL, &my_error));
if (! input)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_OPEN,
_("Could not open '%s' for reading: %s"),
gimp_file_get_utf8_name (file), g_strerror (errno));
gimp_file_get_utf8_name (file), my_error->message);
g_clear_error (&my_error);
return NULL;
}
/* Read in the header size */
if (read (fd, &header, sizeof (header)) != sizeof (header))
/* read the size */
if (! g_input_stream_read_all (input, &header, sizeof (header),
&bytes_read, NULL, NULL) ||
bytes_read != sizeof (header))
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Fatal parse error in pattern file '%s': "
@ -136,7 +111,9 @@ gimp_pattern_load (GimpContext *context,
name = g_new (gchar, bn_size);
if ((read (fd, name, bn_size)) < bn_size)
if (! g_input_stream_read_all (input, name, bn_size,
&bytes_read, NULL, NULL) ||
bytes_read != bn_size)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Fatal parse error in pattern file '%s': "
@ -172,10 +149,12 @@ gimp_pattern_load (GimpContext *context,
}
pattern->mask = gimp_temp_buf_new (header.width, header.height, format);
size = header.width * header.height * header.bytes;
if (read (fd, gimp_temp_buf_get_data (pattern->mask),
header.width * header.height * header.bytes) <
header.width * header.height * header.bytes)
if (! g_input_stream_read_all (input,
gimp_temp_buf_get_data (pattern->mask), size,
&bytes_read, NULL, NULL) ||
bytes_read != size)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Fatal parse error in pattern file '%s': "
@ -184,7 +163,7 @@ gimp_pattern_load (GimpContext *context,
goto error;
}
close (fd);
g_object_unref (input);
return g_list_prepend (NULL, pattern);
@ -192,7 +171,7 @@ gimp_pattern_load (GimpContext *context,
if (pattern)
g_object_unref (pattern);
close (fd);
g_object_unref (input);
return NULL;
}
@ -203,19 +182,26 @@ gimp_pattern_load_pixbuf (GimpContext *context,
GError **error)
{
GimpPattern *pattern;
GInputStream *input;
GdkPixbuf *pixbuf;
gchar *path;
gchar *name;
GError *my_error = NULL;
g_return_val_if_fail (G_IS_FILE (file), NULL);
path = g_file_get_path (file);
g_return_val_if_fail (g_path_is_absolute (path), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
pixbuf = gdk_pixbuf_new_from_file (path, error);
g_free (path);
input = G_INPUT_STREAM (g_file_read (file, NULL, &my_error));
if (! input)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_OPEN,
_("Could not open '%s' for reading: %s"),
gimp_file_get_utf8_name (file), my_error->message);
g_clear_error (&my_error);
return NULL;
}
pixbuf = gdk_pixbuf_new_from_stream (input, NULL, error);
g_object_unref (input);
if (! pixbuf)
return NULL;