[gimp] plug-ins: port qbist to GimpPlugIn
- From: Michael Natterer <mitch src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp] plug-ins: port qbist to GimpPlugIn
- Date: Sun, 1 Sep 2019 00:49:58 +0000 (UTC)
commit 0a1a9fce5b8ac8a2bd32efa963b6bd9ecbcf5e47
Author: Michael Natterer <mitch gimp org>
Date: Sun Sep 1 02:49:31 2019 +0200
plug-ins: port qbist to GimpPlugIn
plug-ins/common/qbist.c | 438 ++++++++++++++++++++++++++----------------------
1 file changed, 234 insertions(+), 204 deletions(-)
---
diff --git a/plug-ins/common/qbist.c b/plug-ins/common/qbist.c
index fee20cd78e..641b48920a 100644
--- a/plug-ins/common/qbist.c
+++ b/plug-ins/common/qbist.c
@@ -39,8 +39,6 @@
#include "libgimp/stdplugins-intl.h"
-/** qbist renderer ***********************************************************/
-
#define MAX_TRANSFORMS 36
#define NUM_REGISTERS 6
#define PREVIEW_SIZE 64
@@ -50,7 +48,6 @@
#define PLUG_IN_ROLE "gimp-qbist"
#define PLUG_IN_VERSION "January 2001, 1.12"
-/** types *******************************************************************/
/* experiment with this */
typedef gfloat vreg[3];
@@ -87,27 +84,247 @@ typedef struct
} QbistInfo;
-/** prototypes **************************************************************/
+typedef struct _Qbist Qbist;
+typedef struct _QbistClass QbistClass;
+
+struct _Qbist
+{
+ GimpPlugIn parent_instance;
+};
+
+struct _QbistClass
+{
+ GimpPlugInClass parent_class;
+};
+
+
+#define QBIST_TYPE (qbist_get_type ())
+#define QBIST (obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), QBIST_TYPE, Qbist))
+
+GType qbist_get_type (void) G_GNUC_CONST;
-static void query (void);
-static void run (const gchar *name,
- gint nparams,
- const GimpParam *param,
- gint *nreturn_vals,
- GimpParam **return_vals);
+static GList * qbist_query_procedures (GimpPlugIn *plug_in);
+static GimpProcedure * qbist_create_procedure (GimpPlugIn *plug_in,
+ const gchar *name);
+
+static GimpValueArray * qbist_run (GimpProcedure *procedure,
+ GimpRunMode run_mode,
+ GimpImage *image,
+ GimpDrawable *drawable,
+ const GimpValueArray *args,
+ gpointer run_data);
+
+static gboolean dialog_run (void);
+static void dialog_new_variations (GtkWidget *widget,
+ gpointer data);
+static void dialog_update_previews (GtkWidget *widget,
+ gpointer data);
+static void dialog_select_preview (GtkWidget *widget,
+ ExpInfo *n_info);
+
+static void create_info (ExpInfo *info);
+static void optimize (ExpInfo *info);
+static void qbist (ExpInfo *info,
+ gfloat *buffer,
+ gint xp,
+ gint yp,
+ gint num,
+ gint width,
+ gint height,
+ gint oversampling);
+
+
+G_DEFINE_TYPE (Qbist, qbist, GIMP_TYPE_PLUG_IN)
+
+GIMP_MAIN (QBIST_TYPE)
-static gboolean dialog_run (void);
-static void dialog_new_variations (GtkWidget *widget,
- gpointer data);
-static void dialog_update_previews (GtkWidget *widget,
- gpointer data);
-static void dialog_select_preview (GtkWidget *widget,
- ExpInfo *n_info);
static QbistInfo qbist_info;
static GRand *gr = NULL;
+static void
+qbist_class_init (QbistClass *klass)
+{
+ GimpPlugInClass *plug_in_class = GIMP_PLUG_IN_CLASS (klass);
+
+ plug_in_class->query_procedures = qbist_query_procedures;
+ plug_in_class->create_procedure = qbist_create_procedure;
+}
+
+static void
+qbist_init (Qbist *qbist)
+{
+}
+
+static GList *
+qbist_query_procedures (GimpPlugIn *plug_in)
+{
+ return g_list_append (NULL, g_strdup (PLUG_IN_PROC));
+}
+
+static GimpProcedure *
+qbist_create_procedure (GimpPlugIn *plug_in,
+ const gchar *name)
+{
+ GimpProcedure *procedure = NULL;
+
+ if (! strcmp (name, PLUG_IN_PROC))
+ {
+ procedure = gimp_image_procedure_new (plug_in, name,
+ GIMP_PDB_PROC_TYPE_PLUGIN,
+ qbist_run, NULL, NULL);
+
+ gimp_procedure_set_image_types (procedure, "RGB*");
+
+ gimp_procedure_set_menu_label (procedure, N_("_Qbist..."));
+ gimp_procedure_add_menu_path (procedure,
+ "<Image>/Filters/Render/Pattern");
+
+ gimp_procedure_set_documentation (procedure,
+ N_("Generate a huge variety of "
+ "abstract patterns"),
+ "This Plug-in is based on an article by "
+ "Jörn Loviscach (appeared in c't 10/95, "
+ "page 326). It generates modern art "
+ "pictures from a random genetic "
+ "formula.",
+ name);
+ gimp_procedure_set_attribution (procedure,
+ "Jörn Loviscach, Jens Ch. Restemeier",
+ "Jörn Loviscach, Jens Ch. Restemeier",
+ PLUG_IN_VERSION);
+ }
+
+ return procedure;
+}
+
+static GimpValueArray *
+qbist_run (GimpProcedure *procedure,
+ GimpRunMode run_mode,
+ GimpImage *image,
+ GimpDrawable *drawable,
+ const GimpValueArray *args,
+ gpointer run_data)
+{
+ gint sel_x1, sel_y1, sel_width, sel_height;
+ gint img_height, img_width;
+ GeglBuffer *buffer;
+ GeglBufferIterator *iter;
+ gint total_pixels;
+ gint done_pixels;
+
+
+ INIT_I18N ();
+ gegl_init (NULL, NULL);
+
+ img_width = gimp_drawable_width (drawable);
+ img_height = gimp_drawable_height (drawable);
+
+ if (! gimp_drawable_is_rgb (drawable))
+ {
+ return gimp_procedure_new_return_values (procedure,
+ GIMP_PDB_CALLING_ERROR,
+ NULL);
+ }
+
+ if (! gimp_drawable_mask_intersect (drawable,
+ &sel_x1, &sel_y1,
+ &sel_width, &sel_height))
+ {
+ return gimp_procedure_new_return_values (procedure,
+ GIMP_PDB_SUCCESS,
+ NULL);
+ }
+
+ gr = g_rand_new ();
+
+ memset (&qbist_info, 0, sizeof (qbist_info));
+ create_info (&qbist_info.info);
+ qbist_info.oversampling = 4;
+
+ switch (run_mode)
+ {
+ case GIMP_RUN_INTERACTIVE:
+ gimp_get_data (PLUG_IN_PROC, &qbist_info);
+
+ if (! dialog_run ())
+ {
+ return gimp_procedure_new_return_values (procedure,
+ GIMP_PDB_CANCEL,
+ NULL);
+ }
+
+ gimp_set_data (PLUG_IN_PROC, &qbist_info, sizeof (QbistInfo));
+ break;
+
+ case GIMP_RUN_NONINTERACTIVE:
+ return gimp_procedure_new_return_values (procedure,
+ GIMP_PDB_CALLING_ERROR,
+ NULL);
+ break;
+
+ case GIMP_RUN_WITH_LAST_VALS:
+ gimp_get_data (PLUG_IN_PROC, &qbist_info);
+ break;
+ }
+
+ total_pixels = img_width * img_height;
+ done_pixels = 0;
+
+ buffer = gimp_drawable_get_shadow_buffer (drawable);
+
+ iter = gegl_buffer_iterator_new (buffer,
+ GEGL_RECTANGLE (0, 0,
+ img_width, img_height),
+ 0, babl_format ("R'G'B'A float"),
+ GEGL_ACCESS_READWRITE,
+ GEGL_ABYSS_NONE, 1);
+
+ optimize (&qbist_info.info);
+
+ gimp_progress_init (_("Qbist"));
+
+ while (gegl_buffer_iterator_next (iter))
+ {
+ gfloat *data = iter->items[0].data;
+ GeglRectangle roi = iter->items[0].roi;
+ gint row;
+
+ for (row = 0; row < roi.height; row++)
+ {
+ qbist (&qbist_info.info,
+ data + row * roi.width * 4,
+ roi.x,
+ roi.y + row,
+ roi.width,
+ sel_width,
+ sel_height,
+ qbist_info.oversampling);
+ }
+
+ done_pixels += roi.width * roi.height;
+
+ gimp_progress_update ((gdouble) done_pixels /
+ (gdouble) total_pixels);
+ }
+
+ g_object_unref (buffer);
+
+ gimp_progress_update (1.0);
+
+ gimp_drawable_merge_shadow (drawable, TRUE);
+ gimp_drawable_update (drawable, sel_x1, sel_y1,
+ sel_width, sel_height);
+
+ gimp_displays_flush ();
+
+ g_rand_free (gr);
+
+ return gimp_procedure_new_return_values (procedure, GIMP_PDB_SUCCESS, NULL);
+}
+
+
/** qbist functions *********************************************************/
static void
@@ -361,193 +578,6 @@ qbist (ExpInfo *info,
}
}
-/** Plugin interface *********************************************************/
-
-const GimpPlugInInfo PLUG_IN_INFO =
-{
- NULL, /* init_proc */
- NULL, /* quit_proc */
- query, /* query_proc */
- run /* run_proc */
-};
-
-MAIN ()
-
-static void
-query (void)
-{
- GimpParamDef args[] =
- {
- { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
- { GIMP_PDB_IMAGE, "image", "Input image (unused)" },
- { GIMP_PDB_DRAWABLE, "drawable", "Input drawable" }
- };
-
- gimp_install_procedure (PLUG_IN_PROC,
- N_("Generate a huge variety of abstract patterns"),
- "This Plug-in is based on an article by "
- "Jörn Loviscach (appeared in c't 10/95, page 326). "
- "It generates modern art pictures from a random "
- "genetic formula.",
- "Jörn Loviscach, Jens Ch. Restemeier",
- "Jörn Loviscach, Jens Ch. Restemeier",
- PLUG_IN_VERSION,
- N_("_Qbist..."),
- "RGB*",
- GIMP_PDB_PROC_TYPE_PLUGIN,
- G_N_ELEMENTS (args), 0,
- args, NULL);
-
- gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Filters/Render/Pattern");
-}
-
-static void
-run (const gchar *name,
- gint nparams,
- const GimpParam *param,
- gint *nreturn_vals,
- GimpParam **return_vals)
-{
- static GimpParam values[1];
- gint sel_x1, sel_y1, sel_width, sel_height;
- gint img_height, img_width;
- GimpRunMode run_mode;
- GimpDrawable *drawable;
- GimpPDBStatusType status;
-
- *nreturn_vals = 1;
- *return_vals = values;
-
- status = GIMP_PDB_SUCCESS;
-
- if (param[0].type != GIMP_PDB_INT32)
- status = GIMP_PDB_CALLING_ERROR;
- run_mode = param[0].data.d_int32;
-
- INIT_I18N ();
- gegl_init (NULL, NULL);
-
- if (param[2].type != GIMP_PDB_DRAWABLE)
- status = GIMP_PDB_CALLING_ERROR;
-
- drawable = GIMP_DRAWABLE (gimp_item_get_by_id (param[2].data.d_drawable));
-
- img_width = gimp_drawable_width (drawable);
- img_height = gimp_drawable_height (drawable);
-
- if (! gimp_drawable_is_rgb (drawable))
- status = GIMP_PDB_CALLING_ERROR;
-
- if (! gimp_drawable_mask_intersect (drawable,
- &sel_x1, &sel_y1,
- &sel_width, &sel_height))
- {
- values[0].type = GIMP_PDB_STATUS;
- values[0].data.d_status = status;
-
- return;
- }
-
- if (status == GIMP_PDB_SUCCESS)
- {
- gr = g_rand_new ();
-
- memset (&qbist_info, 0, sizeof (qbist_info));
- create_info (&qbist_info.info);
- qbist_info.oversampling = 4;
-
- switch (run_mode)
- {
- case GIMP_RUN_INTERACTIVE:
- /* Possibly retrieve data */
- gimp_get_data (PLUG_IN_PROC, &qbist_info);
-
- /* Get information from the dialog */
- if (dialog_run ())
- {
- status = GIMP_PDB_SUCCESS;
- gimp_set_data (PLUG_IN_PROC, &qbist_info, sizeof (QbistInfo));
- }
- else
- status = GIMP_PDB_EXECUTION_ERROR;
- break;
-
- case GIMP_RUN_NONINTERACTIVE:
- status = GIMP_PDB_CALLING_ERROR;
- break;
-
- case GIMP_RUN_WITH_LAST_VALS:
- /* Possibly retrieve data */
- gimp_get_data (PLUG_IN_PROC, &qbist_info);
- status = GIMP_PDB_SUCCESS;
- break;
-
- default:
- status = GIMP_PDB_CALLING_ERROR;
- break;
- }
-
- if (status == GIMP_PDB_SUCCESS)
- {
- GeglBuffer *buffer;
- GeglBufferIterator *iter;
- gint total_pixels = img_width * img_height;
- gint done_pixels = 0;
-
- buffer = gimp_drawable_get_shadow_buffer (drawable);
-
- iter = gegl_buffer_iterator_new (buffer,
- GEGL_RECTANGLE (0, 0,
- img_width, img_height),
- 0, babl_format ("R'G'B'A float"),
- GEGL_ACCESS_READWRITE,
- GEGL_ABYSS_NONE, 1);
-
- optimize (&qbist_info.info);
-
- gimp_progress_init (_("Qbist"));
-
- while (gegl_buffer_iterator_next (iter))
- {
- gfloat *data = iter->items[0].data;
- GeglRectangle roi = iter->items[0].roi;
- gint row;
-
- for (row = 0; row < roi.height; row++)
- {
- qbist (&qbist_info.info,
- data + row * roi.width * 4,
- roi.x,
- roi.y + row,
- roi.width,
- sel_width,
- sel_height,
- qbist_info.oversampling);
- }
-
- done_pixels += roi.width * roi.height;
-
- gimp_progress_update ((gdouble) done_pixels /
- (gdouble) total_pixels);
- }
-
- g_object_unref (buffer);
-
- gimp_progress_update (1.0);
-
- gimp_drawable_merge_shadow (drawable, TRUE);
- gimp_drawable_update (drawable, sel_x1, sel_y1,
- sel_width, sel_height);
-
- gimp_displays_flush ();
- }
-
- g_rand_free (gr);
- }
-
- values[0].type = GIMP_PDB_STATUS;
- values[0].data.d_status = status;
-}
/** User interface ***********************************************************/
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