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gimp/plug-ins/common/file-svg.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* SVG loader plug-in
* (C) Copyright 2003 Dom Lachowicz <cinamod@hotmail.com>
*
* Largely rewritten in September 2003 by Sven Neumann <sven@gimp.org>
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <librsvg/rsvg.h>
#include "libgimp/gimp.h"
#include "libgimp/gimpui.h"
#include "libgimp/stdplugins-intl.h"
#define LOAD_PROC "file-svg-load"
#define LOAD_THUMB_PROC "file-svg-load-thumb"
#define PLUG_IN_BINARY "file-svg"
#define PLUG_IN_ROLE "gimp-file-svg"
#define SVG_VERSION "2.5.0"
#define SVG_DEFAULT_RESOLUTION 90.0
#define SVG_DEFAULT_SIZE 500
#define SVG_PREVIEW_SIZE 128
typedef struct
{
gdouble resolution;
gint width;
gint height;
gboolean import;
gboolean merge;
} SvgLoadVals;
static SvgLoadVals load_vals =
{
SVG_DEFAULT_RESOLUTION,
0,
0,
FALSE,
FALSE
};
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static gint32 load_image (const gchar *filename,
GError **error);
static GdkPixbuf * load_rsvg_pixbuf (const gchar *filename,
SvgLoadVals *vals,
GError **error);
static gboolean load_rsvg_size (const gchar *filename,
SvgLoadVals *vals,
GError **error);
static GimpPDBStatusType load_dialog (const gchar *filename,
GError **error);
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL,
NULL,
query,
run,
};
MAIN ()
static void
query (void)
{
static const GimpParamDef load_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_STRING, "filename", "The name of the file to load" },
{ GIMP_PDB_STRING, "raw-filename", "The name of the file to load" },
{ GIMP_PDB_FLOAT, "resolution",
"Resolution to use for rendering the SVG (defaults to 90 dpi)" },
{ GIMP_PDB_INT32, "width",
"Width (in pixels) to load the SVG in. "
"(0 for original width, a negative width to specify a maximum width)" },
{ GIMP_PDB_INT32, "height",
"Height (in pixels) to load the SVG in. "
"(0 for original height, a negative width to specify a maximum height)"},
{ GIMP_PDB_INT32, "paths",
"Whether to not import paths (0), import paths individually (1) "
"or merge all imported paths (2)" }
};
static const GimpParamDef load_return_vals[] =
{
{ GIMP_PDB_IMAGE, "image", "Output image" }
};
static const GimpParamDef thumb_args[] =
{
{ GIMP_PDB_STRING, "filename", "The name of the file to load" },
{ GIMP_PDB_INT32, "thumb-size", "Preferred thumbnail size" }
};
static const GimpParamDef thumb_return_vals[] =
{
{ GIMP_PDB_IMAGE, "image", "Thumbnail image" },
{ GIMP_PDB_INT32, "image-width", "Width of full-sized image" },
{ GIMP_PDB_INT32, "image-height", "Height of full-sized image" }
};
gimp_install_procedure (LOAD_PROC,
"Loads files in the SVG file format",
"Renders SVG files to raster graphics using librsvg.",
"Dom Lachowicz, Sven Neumann",
"Dom Lachowicz <cinamod@hotmail.com>",
SVG_VERSION,
N_("SVG image"),
NULL,
GIMP_PLUGIN,
G_N_ELEMENTS (load_args),
G_N_ELEMENTS (load_return_vals),
load_args, load_return_vals);
gimp_register_file_handler_mime (LOAD_PROC, "image/svg+xml");
gimp_register_magic_load_handler (LOAD_PROC,
"svg", "",
"0,string,<?xml,0,string,<svg");
gimp_install_procedure (LOAD_THUMB_PROC,
"Generates a thumbnail of an SVG image",
"Renders a thumbnail of an SVG file using librsvg.",
"Dom Lachowicz, Sven Neumann",
"Dom Lachowicz <cinamod@hotmail.com>",
SVG_VERSION,
NULL,
NULL,
GIMP_PLUGIN,
G_N_ELEMENTS (thumb_args),
G_N_ELEMENTS (thumb_return_vals),
thumb_args, thumb_return_vals);
gimp_register_thumbnail_loader (LOAD_PROC, LOAD_THUMB_PROC);
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[4];
GimpRunMode run_mode;
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
GError *error = NULL;
INIT_I18N ();
run_mode = param[0].data.d_int32;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
if (strcmp (name, LOAD_PROC) == 0)
{
gimp_get_data (LOAD_PROC, &load_vals);
switch (run_mode)
{
case GIMP_RUN_NONINTERACTIVE:
if (nparams > 3) load_vals.resolution = param[3].data.d_float;
if (nparams > 4) load_vals.width = param[4].data.d_int32;
if (nparams > 5) load_vals.height = param[5].data.d_int32;
if (nparams > 6)
{
load_vals.import = param[6].data.d_int32 != FALSE;
load_vals.merge = param[6].data.d_int32 > TRUE;
}
break;
case GIMP_RUN_INTERACTIVE:
status = load_dialog (param[1].data.d_string, &error);
break;
case GIMP_RUN_WITH_LAST_VALS:
break;
}
/* Don't clamp this; insane values are probably not meant to be
* used as resolution anyway.
*/
if (load_vals.resolution < GIMP_MIN_RESOLUTION ||
load_vals.resolution > GIMP_MAX_RESOLUTION)
{
load_vals.resolution = SVG_DEFAULT_RESOLUTION;
}
if (status == GIMP_PDB_SUCCESS)
{
const gchar *filename = param[1].data.d_string;
gint32 image_ID = load_image (filename, &error);
if (image_ID != -1)
{
if (load_vals.import)
{
gint32 *vectors;
gint num_vectors;
gimp_vectors_import_from_file (image_ID, filename,
load_vals.merge, TRUE,
&num_vectors, &vectors);
if (num_vectors > 0)
g_free (vectors);
}
*nreturn_vals = 2;
values[1].type = GIMP_PDB_IMAGE;
values[1].data.d_image = image_ID;
}
else
{
status = GIMP_PDB_EXECUTION_ERROR;
}
gimp_set_data (LOAD_PROC, &load_vals, sizeof (load_vals));
}
}
else if (strcmp (name, LOAD_THUMB_PROC) == 0)
{
if (nparams < 2)
{
status = GIMP_PDB_CALLING_ERROR;
}
else
{
const gchar *filename = param[0].data.d_string;
gint width = 0;
gint height = 0;
gint32 image_ID;
if (load_rsvg_size (filename, &load_vals, NULL))
{
width = load_vals.width;
height = load_vals.height;
}
load_vals.resolution = SVG_DEFAULT_RESOLUTION;
load_vals.width = - param[1].data.d_int32;
load_vals.height = - param[1].data.d_int32;
image_ID = load_image (filename, &error);
if (image_ID != -1)
{
*nreturn_vals = 4;
values[1].type = GIMP_PDB_IMAGE;
values[1].data.d_image = image_ID;
values[2].type = GIMP_PDB_INT32;
values[2].data.d_int32 = width;
values[3].type = GIMP_PDB_INT32;
values[3].data.d_int32 = height;
}
else
{
status = GIMP_PDB_EXECUTION_ERROR;
}
}
}
else
{
status = GIMP_PDB_CALLING_ERROR;
}
if (status != GIMP_PDB_SUCCESS && error)
{
*nreturn_vals = 2;
values[1].type = GIMP_PDB_STRING;
values[1].data.d_string = error->message;
}
values[0].data.d_status = status;
}
static gint32
load_image (const gchar *filename,
GError **load_error)
{
gint32 image;
gint32 layer;
GdkPixbuf *pixbuf;
gint width;
gint height;
GError *error = NULL;
pixbuf = load_rsvg_pixbuf (filename, &load_vals, &error);
if (! pixbuf)
{
/* Do not rely on librsvg setting GError on failure! */
g_set_error (load_error,
error ? error->domain : 0, error ? error->code : 0,
_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (filename),
error ? error->message : _("Unknown reason"));
g_clear_error (&error);
return -1;
}
gimp_progress_init (_("Rendering SVG"));
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
image = gimp_image_new (width, height, GIMP_RGB);
gimp_image_undo_disable (image);
gimp_image_set_filename (image, filename);
gimp_image_set_resolution (image,
load_vals.resolution, load_vals.resolution);
layer = gimp_layer_new_from_pixbuf (image, _("Rendered SVG"), pixbuf,
100,
gimp_image_get_default_new_layer_mode (image),
0.0, 1.0);
gimp_image_insert_layer (image, layer, -1, 0);
gimp_image_undo_enable (image);
return image;
}
/* This is the callback used from load_rsvg_pixbuf(). */
static void
load_set_size_callback (gint *width,
gint *height,
gpointer data)
{
SvgLoadVals *vals = data;
if (*width < 1 || *height < 1)
{
*width = SVG_DEFAULT_SIZE;
*height = SVG_DEFAULT_SIZE;
}
if (!vals->width || !vals->height)
return;
/* either both arguments negative or none */
if ((vals->width * vals->height) < 0)
return;
if (vals->width > 0)
{
*width = vals->width;
*height = vals->height;
}
else
{
gdouble w = *width;
gdouble h = *height;
gdouble aspect = (gdouble) vals->width / (gdouble) vals->height;
if (aspect > (w / h))
{
*height = abs (vals->height);
*width = (gdouble) abs (vals->width) * (w / h) + 0.5;
}
else
{
*width = abs (vals->width);
*height = (gdouble) abs (vals->height) / (w / h) + 0.5;
}
vals->width = *width;
vals->height = *height;
}
}
/* This function renders a pixbuf from an SVG file according to vals. */
static GdkPixbuf *
load_rsvg_pixbuf (const gchar *filename,
SvgLoadVals *vals,
GError **error)
{
GdkPixbuf *pixbuf = NULL;
RsvgHandle *handle;
GIOChannel *io;
gchar *uri;
GIOStatus status = G_IO_STATUS_NORMAL;
gboolean success = TRUE;
io = g_io_channel_new_file (filename, "r", error);
if (!io)
return NULL;
g_io_channel_set_encoding (io, NULL, NULL);
handle = rsvg_handle_new ();
rsvg_handle_set_dpi (handle, vals->resolution);
/* set the base URI so that librsvg can resolve relative paths */
uri = g_filename_to_uri (filename, NULL, NULL);
if (uri)
{
gchar *p = strrchr (uri, '/');
if (p)
*p = '\0';
rsvg_handle_set_base_uri (handle, uri);
g_free (uri);
}
rsvg_handle_set_size_callback (handle, load_set_size_callback, vals, NULL);
while (success && status != G_IO_STATUS_EOF)
{
gchar buf[8192];
gsize len;
status = g_io_channel_read_chars (io, buf, sizeof (buf), &len, error);
switch (status)
{
case G_IO_STATUS_ERROR:
success = FALSE;
break;
case G_IO_STATUS_EOF:
success = rsvg_handle_close (handle, error);
break;
case G_IO_STATUS_NORMAL:
success = rsvg_handle_write (handle,
(const guchar *) buf, len, error);
break;
case G_IO_STATUS_AGAIN:
break;
}
}
g_io_channel_unref (io);
if (success)
pixbuf = rsvg_handle_get_pixbuf (handle);
g_object_unref (handle);
return pixbuf;
}
static GtkWidget *size_label = NULL;
/* This function retrieves the pixel size from an SVG file. Parsing
* stops after the first chunk that provided the parser with enough
* information to determine the size. This is usually the opening
* <svg> element and should thus be in the first chunk (1024 bytes).
*/
static gboolean
load_rsvg_size (const gchar *filename,
SvgLoadVals *vals,
GError **error)
{
RsvgHandle *handle;
GIOChannel *io;
GIOStatus status = G_IO_STATUS_NORMAL;
gboolean success = TRUE;
gboolean done = FALSE;
io = g_io_channel_new_file (filename, "r", error);
if (!io)
return FALSE;
g_io_channel_set_encoding (io, NULL, NULL);
handle = rsvg_handle_new ();
rsvg_handle_set_dpi (handle, vals->resolution);
vals->width = SVG_DEFAULT_SIZE;
vals->height = SVG_DEFAULT_SIZE;
while (success && status != G_IO_STATUS_EOF && (! done))
{
gchar buf[1024];
gsize len;
RsvgDimensionData dim = { 0, 0, 0.0, 0.0 };
status = g_io_channel_read_chars (io, buf, sizeof (buf), &len, error);
switch (status)
{
case G_IO_STATUS_ERROR:
success = FALSE;
break;
case G_IO_STATUS_EOF:
success = rsvg_handle_close (handle, error);
break;
case G_IO_STATUS_NORMAL:
success = rsvg_handle_write (handle,
(const guchar *) buf, len, error);
rsvg_handle_get_dimensions (handle, &dim);
if (dim.width > 0 && dim.height > 0)
{
vals->width = dim.width;
vals->height = dim.height;
done = TRUE;
}
break;
case G_IO_STATUS_AGAIN:
break;
}
}
if (size_label)
{
if (done)
{
gchar *text = g_strdup_printf (_("%d × %d"),
vals->width, vals->height);
gtk_label_set_text (GTK_LABEL (size_label), text);
g_free (text);
}
else
{
gtk_label_set_text (GTK_LABEL (size_label),
_("SVG file does not\nspecify a size!"));
}
}
g_io_channel_unref (io);
g_object_unref (handle);
if (vals->width < 1) vals->width = 1;
if (vals->height < 1) vals->height = 1;
return success;
}
/* User interface */
static GimpSizeEntry *size = NULL;
static GtkAdjustment *xadj = NULL;
static GtkAdjustment *yadj = NULL;
static GtkWidget *constrain = NULL;
static gdouble ratio_x = 1.0;
static gdouble ratio_y = 1.0;
static gint svg_width = 0;
static gint svg_height = 0;
static void load_dialog_set_ratio (gdouble x,
gdouble y);
static void
load_dialog_size_callback (GtkWidget *widget,
gpointer data)
{
if (gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (constrain)))
{
gdouble x = gimp_size_entry_get_refval (size, 0) / (gdouble) svg_width;
gdouble y = gimp_size_entry_get_refval (size, 1) / (gdouble) svg_height;
if (x != ratio_x)
{
load_dialog_set_ratio (x, x);
}
else if (y != ratio_y)
{
load_dialog_set_ratio (y, y);
}
}
}
static void
load_dialog_ratio_callback (GtkAdjustment *adj,
gpointer data)
{
gdouble x = gtk_adjustment_get_value (xadj);
gdouble y = gtk_adjustment_get_value (yadj);
if (gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (constrain)))
{
if (x != ratio_x)
y = x;
else
x = y;
}
load_dialog_set_ratio (x, y);
}
static void
load_dialog_resolution_callback (GimpSizeEntry *res,
const gchar *filename)
{
SvgLoadVals vals = { 0.0, 0, 0 };
load_vals.resolution = vals.resolution = gimp_size_entry_get_refval (res, 0);
if (!load_rsvg_size (filename, &vals, NULL))
return;
g_signal_handlers_block_by_func (size, load_dialog_size_callback, NULL);
gimp_size_entry_set_resolution (size, 0, load_vals.resolution, FALSE);
gimp_size_entry_set_resolution (size, 1, load_vals.resolution, FALSE);
g_signal_handlers_unblock_by_func (size, load_dialog_size_callback, NULL);
if (gimp_size_entry_get_unit (size) != GIMP_UNIT_PIXEL)
{
ratio_x = gimp_size_entry_get_refval (size, 0) / vals.width;
ratio_y = gimp_size_entry_get_refval (size, 1) / vals.height;
}
svg_width = vals.width;
svg_height = vals.height;
load_dialog_set_ratio (ratio_x, ratio_y);
}
static void
load_dialog_set_ratio (gdouble x,
gdouble y)
{
ratio_x = x;
ratio_y = y;
g_signal_handlers_block_by_func (size, load_dialog_size_callback, NULL);
gimp_size_entry_set_refval (size, 0, svg_width * x);
gimp_size_entry_set_refval (size, 1, svg_height * y);
g_signal_handlers_unblock_by_func (size, load_dialog_size_callback, NULL);
g_signal_handlers_block_by_func (xadj, load_dialog_ratio_callback, NULL);
g_signal_handlers_block_by_func (yadj, load_dialog_ratio_callback, NULL);
gtk_adjustment_set_value (xadj, x);
gtk_adjustment_set_value (yadj, y);
g_signal_handlers_unblock_by_func (xadj, load_dialog_ratio_callback, NULL);
g_signal_handlers_unblock_by_func (yadj, load_dialog_ratio_callback, NULL);
}
static GimpPDBStatusType
load_dialog (const gchar *filename,
GError **load_error)
{
GtkWidget *dialog;
GtkWidget *frame;
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *image;
GdkPixbuf *preview;
GtkWidget *table;
GtkWidget *table2;
GtkWidget *abox;
GtkWidget *res;
GtkWidget *label;
GtkWidget *spinbutton;
GtkWidget *toggle;
GtkWidget *toggle2;
GtkAdjustment *adj;
gboolean run;
GError *error = NULL;
SvgLoadVals vals =
{
SVG_DEFAULT_RESOLUTION,
- SVG_PREVIEW_SIZE,
- SVG_PREVIEW_SIZE
};
preview = load_rsvg_pixbuf (filename, &vals, &error);
if (! preview)
{
/* Do not rely on librsvg setting GError on failure! */
g_set_error (load_error,
error ? error->domain : 0, error ? error->code : 0,
_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (filename),
error ? error->message : _("Unknown reason"));
g_clear_error (&error);
return GIMP_PDB_EXECUTION_ERROR;
}
gimp_ui_init (PLUG_IN_BINARY, FALSE);
/* Scalable Vector Graphics is SVG, should perhaps not be translated */
dialog = gimp_dialog_new (_("Render Scalable Vector Graphics"),
PLUG_IN_ROLE,
NULL, 0,
gimp_standard_help_func, LOAD_PROC,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_OK"), GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
gimp_window_set_transient (GTK_WINDOW (dialog));
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
hbox, TRUE, TRUE, 0);
gtk_widget_show (hbox);
/* The SVG preview */
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
gtk_widget_show (vbox);
abox = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_box_pack_start (GTK_BOX (vbox), abox, FALSE, FALSE, 0);
gtk_widget_show (abox);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (abox), frame);
gtk_widget_show (frame);
image = gtk_image_new_from_pixbuf (preview);
gtk_container_add (GTK_CONTAINER (frame), image);
gtk_widget_show (image);
size_label = gtk_label_new (NULL);
gtk_label_set_justify (GTK_LABEL (size_label), GTK_JUSTIFY_CENTER);
gtk_box_pack_start (GTK_BOX (vbox), size_label, TRUE, TRUE, 4);
gtk_widget_show (size_label);
/* query the initial size after the size label is created */
vals.resolution = load_vals.resolution;
load_rsvg_size (filename, &vals, NULL);
svg_width = vals.width;
svg_height = vals.height;
table = gtk_table_new (7, 3, FALSE);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
gtk_table_set_row_spacing (GTK_TABLE (table), 2, 2);
gtk_box_pack_start (GTK_BOX (hbox), table, TRUE, TRUE, 0);
gtk_widget_show (table);
/* Width and Height */
label = gtk_label_new (_("Width:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
label = gtk_label_new (_("Height:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_table_attach (GTK_TABLE (table), hbox, 1, 2, 0, 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (hbox);
adj = (GtkAdjustment *) gtk_adjustment_new (1, 1, 1, 1, 10, 0);
spinbutton = gtk_spin_button_new (adj, 1.0, 2);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), 10);
gtk_box_pack_start (GTK_BOX (hbox), spinbutton, FALSE, FALSE, 0);
gtk_widget_show (spinbutton);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_table_attach (GTK_TABLE (table), hbox, 1, 2, 1, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (hbox);
size = GIMP_SIZE_ENTRY (gimp_size_entry_new (1, GIMP_UNIT_PIXEL, "%a",
TRUE, FALSE, FALSE, 10,
GIMP_SIZE_ENTRY_UPDATE_SIZE));
gtk_table_set_col_spacing (GTK_TABLE (size), 1, 6);
gimp_size_entry_add_field (size, GTK_SPIN_BUTTON (spinbutton), NULL);
gtk_box_pack_start (GTK_BOX (hbox), GTK_WIDGET (size), FALSE, FALSE, 0);
gtk_widget_show (GTK_WIDGET (size));
gimp_size_entry_set_refval_boundaries (size, 0,
GIMP_MIN_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE);
gimp_size_entry_set_refval_boundaries (size, 1,
GIMP_MIN_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE);
gimp_size_entry_set_refval (size, 0, svg_width);
gimp_size_entry_set_refval (size, 1, svg_height);
gimp_size_entry_set_resolution (size, 0, load_vals.resolution, FALSE);
gimp_size_entry_set_resolution (size, 1, load_vals.resolution, FALSE);
g_signal_connect (size, "value-changed",
G_CALLBACK (load_dialog_size_callback),
NULL);
/* Scale ratio */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_table_attach (GTK_TABLE (table), hbox, 1, 2, 2, 4,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (hbox);
table2 = gtk_table_new (2, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table2), 0, 2);
gtk_table_set_row_spacing (GTK_TABLE (table2), 0, 4);
gtk_box_pack_start (GTK_BOX (hbox), table2, FALSE, FALSE, 0);
xadj = (GtkAdjustment *)
gtk_adjustment_new (ratio_x,
(gdouble) GIMP_MIN_IMAGE_SIZE / (gdouble) svg_width,
(gdouble) GIMP_MAX_IMAGE_SIZE / (gdouble) svg_width,
0.01, 0.1, 0);
spinbutton = gtk_spin_button_new (xadj, 0.01, 4);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), 10);
gtk_table_attach_defaults (GTK_TABLE (table2), spinbutton, 0, 1, 0, 1);
gtk_widget_show (spinbutton);
g_signal_connect (xadj, "value-changed",
G_CALLBACK (load_dialog_ratio_callback),
NULL);
label = gtk_label_new_with_mnemonic (_("_X ratio:"));
gtk_label_set_mnemonic_widget (GTK_LABEL (label), spinbutton);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
yadj = (GtkAdjustment *)
gtk_adjustment_new (ratio_y,
(gdouble) GIMP_MIN_IMAGE_SIZE / (gdouble) svg_height,
(gdouble) GIMP_MAX_IMAGE_SIZE / (gdouble) svg_height,
0.01, 0.1, 0);
spinbutton = gtk_spin_button_new (yadj, 0.01, 4);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), 10);
gtk_table_attach_defaults (GTK_TABLE (table2), spinbutton, 0, 1, 1, 2);
gtk_widget_show (spinbutton);
g_signal_connect (yadj, "value-changed",
G_CALLBACK (load_dialog_ratio_callback),
NULL);
label = gtk_label_new_with_mnemonic (_("_Y ratio:"));
gtk_label_set_mnemonic_widget (GTK_LABEL (label), spinbutton);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 3, 4,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* the constrain ratio chainbutton */
constrain = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (constrain), TRUE);
gtk_table_attach_defaults (GTK_TABLE (table2), constrain, 1, 2, 0, 2);
gtk_widget_show (constrain);
gimp_help_set_help_data (GIMP_CHAIN_BUTTON (constrain)->button,
_("Constrain aspect ratio"), NULL);
gtk_widget_show (table2);
/* Resolution */
label = gtk_label_new (_("Resolution:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 4, 5,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
res = gimp_size_entry_new (1, GIMP_UNIT_INCH, _("pixels/%a"),
FALSE, FALSE, FALSE, 10,
GIMP_SIZE_ENTRY_UPDATE_RESOLUTION);
gtk_table_set_col_spacing (GTK_TABLE (res), 1, 6);
gtk_table_attach (GTK_TABLE (table), res, 1, 2, 4, 5,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (res);
/* don't let the resolution become too small, librsvg tends to
crash with very small resolutions */
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (res), 0,
5.0, GIMP_MAX_RESOLUTION);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (res), 0, load_vals.resolution);
g_signal_connect (res, "value-changed",
G_CALLBACK (load_dialog_resolution_callback),
(gpointer) filename);
/* Path Import */
toggle = gtk_check_button_new_with_mnemonic (_("Import _paths"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), load_vals.import);
gtk_table_attach (GTK_TABLE (table), toggle, 0, 2, 5, 6,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (toggle);
gimp_help_set_help_data (toggle,
_("Import path elements of the SVG so they "
"can be used with the GIMP path tool"),
NULL);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&load_vals.import);
toggle2 = gtk_check_button_new_with_mnemonic (_("Merge imported paths"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle2), load_vals.merge);
gtk_table_attach (GTK_TABLE (table), toggle2, 0, 2, 6, 7,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (toggle2);
g_signal_connect (toggle2, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&load_vals.merge);
g_object_bind_property (toggle, "active",
toggle2, "sensitive",
G_BINDING_SYNC_CREATE);
gtk_widget_show (dialog);
run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
if (run)
{
load_vals.width = ROUND (gimp_size_entry_get_refval (size, 0));
load_vals.height = ROUND (gimp_size_entry_get_refval (size, 1));
}
gtk_widget_destroy (dialog);
return run ? GIMP_PDB_SUCCESS : GIMP_PDB_CANCEL;
}
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