C++ (Cpp) go_image_get_data示例

示例#1

文件： sheet-object-image.c 项目： UIKit0/gnumeric

static void
gnm_soi_write_image (SheetObject const *so, char const *format, 
		     G_GNUC_UNUSED double resolution,
		     GsfOutput *output, GError **err)
{
	SheetObjectImage *soi = SHEET_OBJECT_IMAGE (so);
	gboolean res = FALSE;
	GdkPixbuf *pixbuf = go_image_get_pixbuf (soi->image);

	if (!soi->type || strcmp (format, soi->type) == 0) {
		if (soi->bytes.len == 0) {
			gsize length;
			guint8 const *data = go_image_get_data (soi->image, &length);
			res = gsf_output_write (output,	length, data);
		} else
			res = gsf_output_write (output,
						soi->bytes.len, soi->bytes.data);
	} else if (pixbuf)
		res = gdk_pixbuf_save_to_callback (pixbuf,
						   soi_gdk_pixbuf_save, output,
						   format,
						   err, NULL);
	if (pixbuf)
		g_object_unref (pixbuf);
	if (!res && err && *err == NULL)
		*err = g_error_new (gsf_output_error_id (), 0,
				   _("Unknown failure while saving image"));
}

示例#2

文件： sheet-object-image.c 项目： UIKit0/gnumeric

static void
gnm_soi_write_xml_sax (SheetObject const *so, GsfXMLOut *output,
		       G_GNUC_UNUSED GnmConventions const *convs)
{
	SheetObjectImage *soi;

	g_return_if_fail (IS_SHEET_OBJECT_IMAGE (so));
	soi = SHEET_OBJECT_IMAGE (so);

	gsf_xml_out_add_float (output, "crop-top", soi->crop_top, 3);
	gsf_xml_out_add_float (output, "crop-bottom", soi->crop_bottom, 3);
	gsf_xml_out_add_float (output, "crop-left", soi->crop_left, 3);
	gsf_xml_out_add_float (output, "crop-right", soi->crop_right, 3);
	gsf_xml_out_start_element (output, "Content");
	if (soi->type != NULL)
		gsf_xml_out_add_cstr (output, "image-type", soi->type);
	if (soi->image && go_image_get_name (soi->image)) {
		gsf_xml_out_add_cstr (output, "name", go_image_get_name (soi->image));
		if (sheet_object_get_sheet (so))
			go_doc_save_image (GO_DOC (sheet_object_get_sheet (so)->workbook), go_image_get_name (soi->image));
		else {
			/* looks that this may happen when pasting from another process, see #687414 */
			gsize length;
			guint8 const *data = go_image_get_data (soi->image, &length);
			gsf_xml_out_add_uint (output, "size-bytes", length);
			gsf_xml_out_add_base64 (output, NULL, data, length);
		}
	} else {
		gsf_xml_out_add_uint (output, "size-bytes", soi->bytes.len);
		gsf_xml_out_add_base64 (output, NULL, soi->bytes.data, soi->bytes.len);
	}
	gsf_xml_out_end_element (output);
}

示例#3

文件： sheet-object-image.c 项目： nzinfo/gnumeric

static void
gnm_soi_write_image (SheetObject const *so, char const *format,
		     G_GNUC_UNUSED double resolution,
		     GsfOutput *output, GError **err)
{
	SheetObjectImage *soi = GNM_SO_IMAGE (so);
	gboolean res;
	gsize length;
	guint8 const *data;

	g_return_if_fail (soi->image != NULL);

	data = go_image_get_data (soi->image, &length);
	res  = gsf_output_write (output, length, data);

	if (!res && err && *err == NULL)
		*err = g_error_new (gsf_output_error_id (), 0,
				   _("Unknown failure while saving image"));
}