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plug-ins: clean up goat-exercise.c so it is a better example

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This commit is contained in:
Michael Natterer 2012-03-22 13:04:50 +01:00
parent e4acf6e9cf
commit 1abf5d8e90
1 changed files with 27 additions and 21 deletions
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48
plug-ins/common/goat-exercise.c
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@ -2,7 +2,7 @@
* Goat exercise plug-in by Øyvind Kolås, pippin@gimp.org
*/
/*
/*
* 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
@ -18,11 +18,15 @@
*/
#include "config.h"
#include <libgimp/gimp.h>
#include "libgimp/stdplugins-intl.h"
#define PLUG_IN_PROC "plug-in-goat-exercise"
/* Declare local functions.
*/
static void query (void);
@ -32,6 +36,7 @@ static void run (const gchar *name,
gint *nreturn_vals,
GimpParam **return_vals);
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
@ -42,6 +47,7 @@ const GimpPlugInInfo PLUG_IN_INFO =
MAIN ()
static void
query (void)
{
@ -64,15 +70,7 @@ query (void)
G_N_ELEMENTS (args), 0,
args, NULL);
gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Filters/");
}
static void commit_shadow (gint32 drawable_id)
{
GimpDrawable *drawable = gimp_drawable_get (drawable_id);
gimp_drawable_merge_shadow (drawable_id, TRUE);
gimp_drawable_update (drawable_id, 0, 0, drawable->width, drawable->height);
gimp_drawable_detach (drawable);
gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Filters");
}
static void
@ -85,8 +83,7 @@ run (const gchar *name,
static GimpParam values[1];
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
gint32 drawable_id;
GeglBuffer *buffer;
GeglBuffer *shadow_buffer;
gint x, y, width, height;
*nreturn_vals = 1;
*return_vals = values;
@ -99,16 +96,25 @@ run (const gchar *name,
INIT_I18N();
drawable_id = param[2].data.d_drawable;
buffer = gimp_drawable_get_buffer (drawable_id);
shadow_buffer = gimp_drawable_get_shadow_buffer (drawable_id);
gegl_render_op (buffer, shadow_buffer, "gegl:unsharp-mask", NULL);
g_object_unref (shadow_buffer);
g_object_unref (buffer);
commit_shadow (drawable_id); /* the buffer first needs to be unreffed, so it is
in a detached state */
gimp_displays_flush ();
if (gimp_drawable_mask_intersect (drawable_id, &x, &y, &width, &height))
{
GeglBuffer *buffer;
GeglBuffer *shadow_buffer;
buffer = gimp_drawable_get_buffer (drawable_id);
shadow_buffer = gimp_drawable_get_shadow_buffer (drawable_id);
gegl_render_op (buffer, shadow_buffer, "gegl:invert", NULL);
g_object_unref (shadow_buffer); /* flushes the shadow tiles */
g_object_unref (buffer);
gimp_drawable_merge_shadow (drawable_id, TRUE);
gimp_drawable_update (drawable_id, x, y, width, height);
gimp_displays_flush ();
}
values[0].data.d_status = status;
gegl_exit ();
}