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improvements on the gimp plugin - allow for non-interactive use, image resolution dialog, and some other goodies
This commit is contained in:
Dom Lachowicz
parent
706de31960
commit
3d8cc9a2a1
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@ -16,12 +16,11 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* SVG loading and saving file filter for the GIMP
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* -Dom Lachowicz <cinamod@hotmail.com>
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/* SVG loading file filter for the GIMP
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* -Dom Lachowicz <cinamod@hotmail.com> 2003
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*
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* TODO:
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* 1) size/zoom dialog, resultion setting
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* 2) image preview
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* *) image preview
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*/
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#include "config.h"
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@ -29,10 +28,38 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <libgimp/gimp.h>
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#include <rsvg.h>
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#include <gtk/gtk.h>
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#include <libgimp/gimp.h>
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#include <libgimp/gimpui.h>
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typedef struct
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{
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double scale;
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} SvgLoadVals;
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static SvgLoadVals load_vals =
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{
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1.0 /* scale */
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};
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typedef struct
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{
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gint run;
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} SvgLoadInterface;
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static SvgLoadInterface load_interface =
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{
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FALSE
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};
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typedef struct
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{
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GtkWidget *dialog;
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GtkAdjustment *scale;
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} LoadDialogVals;
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/* TODO: remove me, initialize gimp i18n services */
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#define _(String) (String)
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@ -42,9 +69,6 @@ static void run (gchar *name,
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GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals);
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static gint32 load_image (gchar *filename,
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GimpRunMode runmode,
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gboolean preview);
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GimpPlugInInfo PLUG_IN_INFO = {
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NULL, /* init_proc */
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@ -55,6 +79,171 @@ GimpPlugInInfo PLUG_IN_INFO = {
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MAIN ()
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static void
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check_load_vals (void)
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{
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if (load_vals.scale < 0.01)
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load_vals.scale = 0.01;
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else if (load_vals.scale > 100.)
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load_vals.scale = 100.;
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}
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/*
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* 'load_image()' - Load a SVG image into a new image window.
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*/
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static gint32
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load_image (gchar *filename, /* I - File to load */
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GimpRunMode runmode,
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gboolean preview)
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{
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gint32 image; /* Image */
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gint32 layer; /* Layer */
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GimpDrawable *drawable; /* Drawable for layer */
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GimpPixelRgn pixel_rgn; /* Pixel region for layer */
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GdkPixbuf *pixbuf; /* SVG, rasterized */
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gchar *status;
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pixbuf = rsvg_pixbuf_from_file_at_zoom (filename, load_vals.scale, load_vals.scale, NULL);
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if (!pixbuf)
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{
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g_message (_("can't open \"%s\"\n"), filename);
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gimp_quit ();
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}
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if (runmode != GIMP_RUN_NONINTERACTIVE)
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{
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status = g_strdup_printf (_("Loading %s:"), filename);
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gimp_progress_init (status);
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g_free (status);
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}
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image = gimp_image_new (gdk_pixbuf_get_width (pixbuf),
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gdk_pixbuf_get_height (pixbuf),
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GIMP_RGB);
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if (image == -1)
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{
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g_message ("Can't allocate new image: %s\n", filename);
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gimp_quit ();
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}
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gimp_image_set_filename (image, filename);
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layer = gimp_layer_new (image, _("Background"),
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gdk_pixbuf_get_width (pixbuf),
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gdk_pixbuf_get_height (pixbuf),
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GIMP_RGBA_IMAGE, 100, GIMP_NORMAL_MODE);
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drawable = gimp_drawable_get (layer);
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gimp_pixel_rgn_init (&pixel_rgn, drawable, 0, 0,
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drawable->width, drawable->height, TRUE, FALSE);
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gimp_pixel_rgn_set_rect (&pixel_rgn, gdk_pixbuf_get_pixels (pixbuf),
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0, 0,
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gdk_pixbuf_get_width (pixbuf),
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gdk_pixbuf_get_height (pixbuf));
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g_object_unref (G_OBJECT(pixbuf));
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/* Tell the GIMP to display the image.
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*/
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gimp_image_add_layer (image, layer, 0);
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gimp_drawable_flush (drawable);
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return image;
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}
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static void
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load_ok_callback (GtkWidget *widget,
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gpointer data)
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{
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LoadDialogVals *vals = (LoadDialogVals *)data;
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/* Read scale */
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load_vals.scale = pow (2, vals->scale->value);
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load_interface.run = TRUE;
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gtk_widget_destroy (GTK_WIDGET (vals->dialog));
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}
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static gint
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load_dialog (gchar *file_name)
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{
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LoadDialogVals *vals;
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GtkWidget *frame;
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GtkWidget *vbox;
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GtkWidget *label;
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GtkWidget *table;
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GtkWidget *slider;
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gimp_ui_init ("svg", FALSE);
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vals = g_new (LoadDialogVals, 1);
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vals->dialog = gimp_dialog_new ( _("Load SVG"), "svg",
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NULL, NULL,
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GTK_WIN_POS_MOUSE,
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FALSE, TRUE, FALSE,
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GTK_STOCK_CANCEL, gtk_widget_destroy,
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NULL, 1, NULL, FALSE, TRUE,
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GTK_STOCK_OK, load_ok_callback,
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vals, NULL, NULL, TRUE, FALSE,
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NULL);
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g_signal_connect (vals->dialog, "destroy",
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G_CALLBACK (gtk_main_quit),
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NULL);
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/* Rendering */
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frame = gtk_frame_new (g_strdup_printf ( _("Rendering %s"), file_name));
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gtk_container_set_border_width (GTK_CONTAINER (frame), 6);
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gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
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gtk_box_pack_start (GTK_BOX (GTK_DIALOG (vals->dialog)->vbox), frame,
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TRUE, TRUE, 0);
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vbox = gtk_vbox_new (FALSE, 4);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
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gtk_container_add (GTK_CONTAINER (frame), vbox);
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/* Scale label */
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table = gtk_table_new (1, 2, FALSE);
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gtk_table_set_row_spacings (GTK_TABLE (table), 2);
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gtk_table_set_col_spacings (GTK_TABLE (table), 4);
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gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
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gtk_widget_show (table);
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label = gtk_label_new ( _("Scale (log 2):"));
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gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
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gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
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GTK_FILL, GTK_FILL, 0, 0);
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gtk_widget_show (label);
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/* Scale slider */
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vals->scale = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, -2.0, 2.0, 0.2, 0.2, 0.0));
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slider = gtk_hscale_new (vals->scale);
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gtk_table_attach (GTK_TABLE (table), slider, 1, 2, 0, 1,
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GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
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gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_TOP);
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gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
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gtk_widget_show (slider);
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gtk_widget_show (vbox);
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gtk_widget_show (frame);
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gtk_widget_show (vals->dialog);
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gtk_main ();
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gdk_flush ();
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g_free (vals);
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return load_interface.run;
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}
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/*
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* 'query()' - Respond to a plug-in query...
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*/
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@ -67,11 +256,17 @@ query (void)
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{ GIMP_PDB_STRING, "filename", "The name of the file to load" },
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{ GIMP_PDB_STRING, "raw_filename", "The name of the file to load" }
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};
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static GimpParamDef load_return_vals[] =
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{
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{ GIMP_PDB_IMAGE, "image", "Output image" }
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};
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static GimpParamDef load_setargs_args[] =
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{
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{ GIMP_PDB_FLOAT, "scale", "Scale in which to load image" }
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};
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gimp_install_procedure ("file_svg_load",
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"Loads files in the SVG file format",
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"Loads files in the SVG file format",
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@ -85,6 +280,18 @@ query (void)
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G_N_ELEMENTS (load_return_vals),
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load_args, load_return_vals);
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gimp_install_procedure ("file_svg_load_setargs",
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"set additional parameters for the procedure file_svg_load",
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"set additional parameters for the procedure file_svg_load",
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"Dom Lachowicz <cinamod@hotmail.com>",
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"Dom Lachowicz",
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"2003",
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NULL,
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NULL,
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GIMP_PLUGIN,
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G_N_ELEMENTS (load_setargs_args), 0,
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load_setargs_args, NULL);
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gimp_register_magic_load_handler ("file_svg_load",
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"svg", "",
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"0,string,<?xml,0,string,<svg");
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@ -118,87 +325,45 @@ run (gchar *name,
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if (strcmp (name, "file_svg_load") == 0)
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{
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/* INIT_I18N_UI (); */
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image_ID = load_image (param[1].data.d_string, run_mode, FALSE);
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switch (run_mode)
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{
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case GIMP_RUN_INTERACTIVE:
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gimp_get_data ("file_svg_load", &load_vals);
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if (image_ID != -1)
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{
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*nreturn_vals = 2;
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values[1].type = GIMP_PDB_IMAGE;
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values[1].data.d_image = image_ID;
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if (!load_dialog (param[1].data.d_string))
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status = GIMP_PDB_CANCEL;
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break;
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case GIMP_RUN_NONINTERACTIVE:
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gimp_get_data ("file_svg_load", &load_vals);
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break;
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case GIMP_RUN_WITH_LAST_VALS:
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gimp_get_data ("file_svg_load", &load_vals);
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default:
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break;
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}
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else
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if (status == GIMP_PDB_SUCCESS)
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{
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status = GIMP_PDB_EXECUTION_ERROR;
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check_load_vals ();
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image_ID = load_image (param[1].data.d_string, run_mode, FALSE);
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gimp_set_data ("file_svg_load", &load_vals, sizeof (load_vals));
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if (image_ID != -1)
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{
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*nreturn_vals = 2;
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values[1].type = GIMP_PDB_IMAGE;
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values[1].data.d_image = image_ID;
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}
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else
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status = GIMP_PDB_EXECUTION_ERROR;
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}
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}
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else
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status = GIMP_PDB_CALLING_ERROR;
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values[0].data.d_status = status;
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}
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/*
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* 'load_image()' - Load a SVG image into a new image window.
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*/
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static gint32
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load_image (gchar *filename, /* I - File to load */
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GimpRunMode runmode,
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gboolean preview)
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{
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gint32 image; /* Image */
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gint32 layer; /* Layer */
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GimpDrawable *drawable; /* Drawable for layer */
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GimpPixelRgn pixel_rgn; /* Pixel region for layer */
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GdkPixbuf *pixbuf; /* SVG, rasterized */
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gchar *status;
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/* TODO: could possibly use preview abilities */
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pixbuf = rsvg_pixbuf_from_file (filename, NULL);
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if (!pixbuf)
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{
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g_message (_("can't open \"%s\"\n"), filename);
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gimp_quit ();
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}
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if (runmode != GIMP_RUN_NONINTERACTIVE)
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{
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status = g_strdup_printf (_("Loading %s:"), filename);
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gimp_progress_init (status);
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g_free (status);
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}
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image = gimp_image_new (gdk_pixbuf_get_width (pixbuf),
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gdk_pixbuf_get_height (pixbuf),
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GIMP_RGB);
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if (image == -1)
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{
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g_message ("Can't allocate new image\n%s", filename);
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gimp_quit ();
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}
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gimp_image_set_filename (image, filename);
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layer = gimp_layer_new (image, _("Background"),
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gdk_pixbuf_get_width (pixbuf),
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gdk_pixbuf_get_height (pixbuf),
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GIMP_RGBA_IMAGE, 100, GIMP_NORMAL_MODE);
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drawable = gimp_drawable_get (layer);
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gimp_pixel_rgn_init (&pixel_rgn, drawable, 0, 0,
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drawable->width, drawable->height, TRUE, FALSE);
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gimp_pixel_rgn_set_rect (&pixel_rgn, gdk_pixbuf_get_pixels (pixbuf),
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0, 0,
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gdk_pixbuf_get_width (pixbuf),
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gdk_pixbuf_get_height (pixbuf));
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g_object_unref (G_OBJECT(pixbuf));
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/* Tell the GIMP to display the image.
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*/
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gimp_image_add_layer (image, layer, 0);
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gimp_drawable_flush (drawable);
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return image;
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}
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