1158 lines
39 KiB
C
1158 lines
39 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* Depth Merge -- Combine two image layers via corresponding depth maps
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* Copyright (C) 1997, 1998 Sean Cier (scier@PostHorizon.com)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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/* Version 1.0.0: (14 August 1998)
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* Math optimizations, miscellaneous speedups
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*
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* Version 0.1: (6 July 1997)
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* Initial Release
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*/
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#include "config.h"
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#include <libpika/pika.h>
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#include <libpika/pikaui.h>
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#include "libpika/stdplugins-intl.h"
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#define DEBUG
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#ifndef LERP
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#define LERP(frac,a,b) ((frac)*(b) + (1-(frac))*(a))
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#endif
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#define MUL255(i) ((i)*256 - (i))
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#define DIV255(i) (((i) + (i)/256 + 1) / 256)
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#define PLUG_IN_PROC "plug-in-depth-merge"
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#define PLUG_IN_VERSION "August 1998"
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#define PLUG_IN_BINARY "depth-merge"
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#define PLUG_IN_ROLE "pika-depth-merge"
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#define PREVIEW_SIZE 256
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/* ----- DepthMerge ----- */
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struct _DepthMerge;
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typedef struct _DepthMergeInterface
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{
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gboolean active;
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GtkWidget *dialog;
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GtkWidget *preview;
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gint previewWidth;
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gint previewHeight;
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guchar *previewSource1;
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guchar *previewSource2;
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guchar *previewDepthMap1;
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guchar *previewDepthMap2;
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} DepthMergeInterface;
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typedef struct _DepthMergeParams
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{
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gint32 result_id;
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gint32 source1_id;
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gint32 source2_id;
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gint32 depthMap1_id;
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gint32 depthMap2_id;
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gfloat overlap;
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gfloat offset;
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gfloat scale1;
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gfloat scale2;
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} DepthMergeParams;
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typedef struct _DepthMerge
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{
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DepthMergeInterface *interface;
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DepthMergeParams params;
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PikaDrawable *resultDrawable;
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PikaDrawable *source1Drawable;
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PikaDrawable *source2Drawable;
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PikaDrawable *depthMap1Drawable;
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PikaDrawable *depthMap2Drawable;
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gint selectionX;
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gint selectionY;
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gint selectionWidth;
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gint selectionHeight;
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gint resultHasAlpha;
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} DepthMerge;
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typedef struct _Merge Merge;
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typedef struct _MergeClass MergeClass;
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struct _Merge
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{
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PikaPlugIn parent_instance;
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};
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struct _MergeClass
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{
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PikaPlugInClass parent_class;
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};
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#define MERGE_TYPE (merge_get_type ())
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#define MERGE (obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), MERGE_TYPE, Merge))
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GType merge_get_type (void) G_GNUC_CONST;
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static GList * merge_query_procedures (PikaPlugIn *plug_in);
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static PikaProcedure * merge_create_procedure (PikaPlugIn *plug_in,
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const gchar *name);
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static PikaValueArray * merge_run (PikaProcedure *procedure,
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PikaRunMode run_mode,
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PikaImage *image,
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gint n_drawables,
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PikaDrawable **drawables,
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const PikaValueArray *args,
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gpointer run_data);
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static void DepthMerge_initParams (DepthMerge *dm);
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static gboolean DepthMerge_construct (DepthMerge *dm);
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static void DepthMerge_destroy (DepthMerge *dm);
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static gint32 DepthMerge_execute (DepthMerge *dm);
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static void DepthMerge_executeRegion (DepthMerge *dm,
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guchar *source1Row,
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guchar *source2Row,
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guchar *depthMap1Row,
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guchar *depthMap2Row,
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guchar *resultRow,
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gint length);
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static gboolean DepthMerge_dialog (DepthMerge *dm);
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static void DepthMerge_buildPreviewSourceImage (DepthMerge *dm);
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static void DepthMerge_updatePreview (DepthMerge *dm);
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static gboolean dm_constraint (PikaImage *image,
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PikaItem *item,
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gpointer data);
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static void dialogSource1ChangedCallback (GtkWidget *widget,
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DepthMerge *dm);
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static void dialogSource2ChangedCallback (GtkWidget *widget,
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DepthMerge *dm);
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static void dialogDepthMap1ChangedCallback (GtkWidget *widget,
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DepthMerge *dm);
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static void dialogDepthMap2ChangedCallback (GtkWidget *widget,
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DepthMerge *dm);
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static void dialogValueScaleUpdateCallback (PikaLabelSpin *scale,
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gfloat *value);
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static void util_fillReducedBuffer (guchar *dest,
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const Babl *dest_format,
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gint destWidth,
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gint destHeight,
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PikaDrawable *sourceDrawable,
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gint x0,
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gint y0,
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gint sourceWidth,
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gint sourceHeight);
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G_DEFINE_TYPE (Merge, merge, PIKA_TYPE_PLUG_IN)
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PIKA_MAIN (MERGE_TYPE)
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DEFINE_STD_SET_I18N
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static void
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merge_class_init (MergeClass *klass)
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{
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PikaPlugInClass *plug_in_class = PIKA_PLUG_IN_CLASS (klass);
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plug_in_class->query_procedures = merge_query_procedures;
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plug_in_class->create_procedure = merge_create_procedure;
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plug_in_class->set_i18n = STD_SET_I18N;
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}
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static void
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merge_init (Merge *merge)
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{
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}
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static GList *
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merge_query_procedures (PikaPlugIn *plug_in)
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{
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return g_list_append (NULL, g_strdup (PLUG_IN_PROC));
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}
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static PikaProcedure *
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merge_create_procedure (PikaPlugIn *plug_in,
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const gchar *name)
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{
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PikaProcedure *procedure = NULL;
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if (! strcmp (name, PLUG_IN_PROC))
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{
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procedure = pika_image_procedure_new (plug_in, name,
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PIKA_PDB_PROC_TYPE_PLUGIN,
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merge_run, NULL, NULL);
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pika_procedure_set_image_types (procedure, "RGB*, GRAY*");
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pika_procedure_set_sensitivity_mask (procedure,
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PIKA_PROCEDURE_SENSITIVE_DRAWABLE);
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pika_procedure_set_menu_label (procedure, _("_Depth Merge..."));
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pika_procedure_add_menu_path (procedure, "<Image>/Filters/Combine");
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pika_procedure_set_documentation (procedure,
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_("Combine two images using depth "
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"maps (z-buffers)"),
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"Taking as input two full-color, "
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"full-alpha images and two "
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"corresponding grayscale depth maps, "
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"this plug-in combines the images based "
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"on which is closer (has a lower depth "
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"map value) at each point.",
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name);
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pika_procedure_set_attribution (procedure,
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"Sean Cier",
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"Sean Cier",
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PLUG_IN_VERSION);
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PIKA_PROC_ARG_DRAWABLE (procedure, "source-1",
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"Source 1",
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"Source 1",
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TRUE,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_DRAWABLE (procedure, "source-2",
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"Source 2",
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"Source 2",
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TRUE,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_DRAWABLE (procedure, "depth-map-1",
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"Depth map 1",
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"Depth map 1",
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TRUE,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_DRAWABLE (procedure, "depth-map-2",
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"Depth map 2",
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"Depth map 2",
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TRUE,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_DOUBLE (procedure, "overlap",
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"Overlap",
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"Overlap",
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0, 2, 0,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_DOUBLE (procedure, "offset",
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"Offset",
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"Depth relative offset",
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-1, 1, 0,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_DOUBLE (procedure, "scale-1",
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"Scale 1",
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"Depth relative scale 1",
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-1, 1, 1,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_DOUBLE (procedure, "scale-2",
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"Scale 2",
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"Depth relative scale 2",
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-1, 1, 1,
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G_PARAM_READWRITE);
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}
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return procedure;
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}
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static PikaValueArray *
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merge_run (PikaProcedure *procedure,
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PikaRunMode run_mode,
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PikaImage *image,
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gint n_drawables,
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PikaDrawable **drawables,
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const PikaValueArray *args,
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gpointer run_data)
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{
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PikaDrawable *drawable;
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DepthMerge dm;
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gegl_init (NULL, NULL);
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if (n_drawables != 1)
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{
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GError *error = NULL;
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g_set_error (&error, PIKA_PLUG_IN_ERROR, 0,
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_("Procedure '%s' only works with one drawable."),
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PLUG_IN_PROC);
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_CALLING_ERROR,
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error);
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}
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else
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{
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drawable = drawables[0];
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}
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DepthMerge_initParams (&dm);
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switch (run_mode)
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{
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case PIKA_RUN_INTERACTIVE:
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pika_get_data (PLUG_IN_PROC, &dm.params);
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dm.params.result_id = pika_item_get_id (PIKA_ITEM (drawable));
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if (! DepthMerge_construct (&dm))
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{
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_EXECUTION_ERROR,
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NULL);
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}
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if (! DepthMerge_dialog (&dm))
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{
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DepthMerge_destroy (&dm);
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_CANCEL,
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NULL);
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}
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break;
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case PIKA_RUN_NONINTERACTIVE:
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dm.params.result_id = pika_item_get_id (PIKA_ITEM (drawable));
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dm.params.source1_id = PIKA_VALUES_GET_DRAWABLE_ID (args, 0);
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dm.params.source2_id = PIKA_VALUES_GET_DRAWABLE_ID (args, 1);
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dm.params.depthMap1_id = PIKA_VALUES_GET_DRAWABLE_ID (args, 2);
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dm.params.depthMap2_id = PIKA_VALUES_GET_DRAWABLE_ID (args, 3);
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dm.params.overlap = PIKA_VALUES_GET_DOUBLE (args, 4);
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dm.params.offset = PIKA_VALUES_GET_DOUBLE (args, 5);
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dm.params.scale1 = PIKA_VALUES_GET_DOUBLE (args, 6);
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dm.params.scale2 = PIKA_VALUES_GET_DOUBLE (args, 7);
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if (! DepthMerge_construct (&dm))
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{
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_EXECUTION_ERROR,
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NULL);
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}
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break;
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case PIKA_RUN_WITH_LAST_VALS:
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pika_get_data (PLUG_IN_PROC, &dm.params);
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if (! DepthMerge_construct (&dm))
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{
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_EXECUTION_ERROR,
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NULL);
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}
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break;
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}
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if (! DepthMerge_execute (&dm))
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{
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_EXECUTION_ERROR,
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NULL);
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}
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else
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{
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if (run_mode != PIKA_RUN_NONINTERACTIVE)
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pika_displays_flush ();
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if (run_mode == PIKA_RUN_INTERACTIVE)
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pika_set_data (PLUG_IN_PROC, &dm.params, sizeof (DepthMergeParams));
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}
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DepthMerge_destroy (&dm);
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return pika_procedure_new_return_values (procedure, PIKA_PDB_SUCCESS, NULL);
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}
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/* ----- DepthMerge ----- */
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static void
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DepthMerge_initParams (DepthMerge *dm)
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{
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dm->params.result_id = -1;
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dm->params.source1_id = -1;
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dm->params.source2_id = -1;
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dm->params.depthMap1_id = -1;
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dm->params.depthMap2_id = -1;
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dm->params.overlap = 0;
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dm->params.offset = 0;
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dm->params.scale1 = 1;
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dm->params.scale2 = 1;
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}
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static gboolean
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DepthMerge_construct (DepthMerge *dm)
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{
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dm->interface = NULL;
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dm->resultDrawable = pika_drawable_get_by_id (dm->params.result_id);
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if (! pika_drawable_mask_intersect (dm->resultDrawable,
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&(dm->selectionX), &(dm->selectionY),
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&(dm->selectionWidth),
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&(dm->selectionHeight)))
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{
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return FALSE;
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}
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dm->resultHasAlpha = pika_drawable_has_alpha (dm->resultDrawable);
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dm->source1Drawable = pika_drawable_get_by_id (dm->params.source1_id);
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dm->source2Drawable = pika_drawable_get_by_id (dm->params.source2_id);
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dm->depthMap1Drawable = pika_drawable_get_by_id (dm->params.depthMap1_id);
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dm->depthMap2Drawable = pika_drawable_get_by_id (dm->params.depthMap2_id);
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dm->params.overlap = CLAMP (dm->params.overlap, 0, 2);
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dm->params.offset = CLAMP (dm->params.offset, -1, 1);
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dm->params.scale1 = CLAMP (dm->params.scale1, -1, 1);
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dm->params.scale2 = CLAMP (dm->params.scale2, -1, 1);
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return TRUE;
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}
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static void
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DepthMerge_destroy (DepthMerge *dm)
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{
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if (dm->interface != NULL)
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{
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g_free (dm->interface->previewSource1);
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g_free (dm->interface->previewSource2);
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g_free (dm->interface->previewDepthMap1);
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g_free (dm->interface->previewDepthMap2);
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g_free (dm->interface);
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}
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}
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static gint32
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DepthMerge_execute (DepthMerge *dm)
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{
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int x, y;
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GeglBuffer *source1_buffer = NULL;
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GeglBuffer *source2_buffer = NULL;
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GeglBuffer *depthMap1_buffer = NULL;
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GeglBuffer *depthMap2_buffer = NULL;
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GeglBuffer *result_buffer;
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guchar *source1Row, *source2Row;
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guchar *depthMap1Row, *depthMap2Row;
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guchar *resultRow;
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guchar *tempRow;
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pika_progress_init (_("Depth-merging"));
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resultRow = g_new (guchar, dm->selectionWidth * 4);
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source1Row = g_new (guchar, dm->selectionWidth * 4);
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source2Row = g_new (guchar, dm->selectionWidth * 4);
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depthMap1Row = g_new (guchar, dm->selectionWidth );
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depthMap2Row = g_new (guchar, dm->selectionWidth );
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tempRow = g_new (guchar, dm->selectionWidth * 4);
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if (dm->source1Drawable)
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{
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source1_buffer = pika_drawable_get_buffer (dm->source1Drawable);
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}
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else
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{
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for (x = 0; x < dm->selectionWidth; x++)
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{
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source1Row[4 * x ] = 0;
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source1Row[4 * x + 1] = 0;
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source1Row[4 * x + 2] = 0;
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source1Row[4 * x + 3] = 255;
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}
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}
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if (dm->source2Drawable)
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{
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source2_buffer = pika_drawable_get_buffer (dm->source2Drawable);
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}
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else
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{
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for (x = 0; x < dm->selectionWidth; x++)
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{
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source2Row[4 * x ] = 0;
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source2Row[4 * x + 1] = 0;
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source2Row[4 * x + 2] = 0;
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source2Row[4 * x + 3] = 255;
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}
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}
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if (dm->depthMap1Drawable)
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{
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depthMap1_buffer = pika_drawable_get_buffer (dm->depthMap1Drawable);
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}
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else
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{
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for (x = 0; x < dm->selectionWidth; x++)
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{
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depthMap1Row[x] = 0;
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}
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}
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if (dm->depthMap2Drawable)
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{
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depthMap2_buffer = pika_drawable_get_buffer (dm->depthMap2Drawable);
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}
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else
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{
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for (x = 0; x < dm->selectionWidth; x++)
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{
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depthMap2Row[x] = 0;
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}
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}
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result_buffer = pika_drawable_get_shadow_buffer (dm->resultDrawable);
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for (y = dm->selectionY; y < (dm->selectionY + dm->selectionHeight); y++)
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{
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if (dm->source1Drawable)
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{
|
|
gegl_buffer_get (source1_buffer,
|
|
GEGL_RECTANGLE (dm->selectionX, y,
|
|
dm->selectionWidth, 1), 1.0,
|
|
babl_format ("R'G'B'A u8"), source1Row,
|
|
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
|
|
}
|
|
|
|
if (dm->source2Drawable)
|
|
{
|
|
gegl_buffer_get (source2_buffer,
|
|
GEGL_RECTANGLE (dm->selectionX, y,
|
|
dm->selectionWidth, 1), 1.0,
|
|
babl_format ("R'G'B'A u8"), source2Row,
|
|
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
|
|
}
|
|
|
|
if (dm->depthMap1Drawable)
|
|
{
|
|
gegl_buffer_get (depthMap1_buffer,
|
|
GEGL_RECTANGLE (dm->selectionX, y,
|
|
dm->selectionWidth, 1), 1.0,
|
|
babl_format ("Y' u8"), depthMap1Row,
|
|
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
|
|
}
|
|
|
|
if (dm->depthMap2Drawable)
|
|
{
|
|
gegl_buffer_get (depthMap2_buffer,
|
|
GEGL_RECTANGLE (dm->selectionX, y,
|
|
dm->selectionWidth, 1), 1.0,
|
|
babl_format ("Y' u8"), depthMap2Row,
|
|
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
|
|
}
|
|
|
|
DepthMerge_executeRegion (dm,
|
|
source1Row, source2Row, depthMap1Row, depthMap2Row,
|
|
resultRow,
|
|
dm->selectionWidth);
|
|
|
|
gegl_buffer_set (result_buffer,
|
|
GEGL_RECTANGLE (dm->selectionX, y,
|
|
dm->selectionWidth, 1), 0,
|
|
babl_format ("R'G'B'A u8"), resultRow,
|
|
GEGL_AUTO_ROWSTRIDE);
|
|
|
|
pika_progress_update ((double)(y-dm->selectionY) /
|
|
(double)(dm->selectionHeight - 1));
|
|
}
|
|
|
|
g_free (resultRow);
|
|
g_free (source1Row);
|
|
g_free (source2Row);
|
|
g_free (depthMap1Row);
|
|
g_free (depthMap2Row);
|
|
g_free (tempRow);
|
|
|
|
pika_progress_update (1.0);
|
|
|
|
if (source1_buffer)
|
|
g_object_unref (source1_buffer);
|
|
|
|
if (source2_buffer)
|
|
g_object_unref (source2_buffer);
|
|
|
|
if (depthMap1_buffer)
|
|
g_object_unref (depthMap1_buffer);
|
|
|
|
if (depthMap2_buffer)
|
|
g_object_unref (depthMap2_buffer);
|
|
|
|
g_object_unref (result_buffer);
|
|
|
|
pika_drawable_merge_shadow (dm->resultDrawable, TRUE);
|
|
pika_drawable_update (dm->resultDrawable,
|
|
dm->selectionX, dm->selectionY,
|
|
dm->selectionWidth, dm->selectionHeight);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
DepthMerge_executeRegion (DepthMerge *dm,
|
|
guchar *source1Row,
|
|
guchar *source2Row,
|
|
guchar *depthMap1Row,
|
|
guchar *depthMap2Row,
|
|
guchar *resultRow,
|
|
gint length)
|
|
{
|
|
gfloat scale1, scale2, offset255, invOverlap255;
|
|
gfloat frac, depth1, depth2;
|
|
gushort c1[4], c2[4];
|
|
gushort cR1[4] = { 0, 0, 0, 0 }, cR2[4] = { 0, 0, 0, 0 };
|
|
gushort cR[4], temp;
|
|
gint i, tempInt;
|
|
|
|
invOverlap255 = 1.0 / (MAX (dm->params.overlap, 0.001) * 255);
|
|
offset255 = dm->params.offset * 255;
|
|
scale1 = dm->params.scale1;
|
|
scale2 = dm->params.scale2;
|
|
|
|
for (i = 0; i < length; i++)
|
|
{
|
|
depth1 = (gfloat) depthMap1Row[i];
|
|
depth2 = (gfloat) depthMap2Row[i];
|
|
|
|
frac = (depth2 * scale2 - (depth1 * scale1 + offset255)) * invOverlap255;
|
|
frac = 0.5 * (frac + 1.0);
|
|
frac = CLAMP(frac, 0.0, 1.0);
|
|
|
|
/* c1 -> color corresponding to source1 */
|
|
c1[0] = source1Row[4 * i ];
|
|
c1[1] = source1Row[4 * i + 1];
|
|
c1[2] = source1Row[4 * i + 2];
|
|
c1[3] = source1Row[4 * i + 3];
|
|
|
|
/* c2 -> color corresponding to source2 */
|
|
c2[0] = source2Row[4 * i ];
|
|
c2[1] = source2Row[4 * i + 1];
|
|
c2[2] = source2Row[4 * i + 2];
|
|
c2[3] = source2Row[4 * i + 3];
|
|
|
|
if (frac != 0)
|
|
{
|
|
/* cR1 -> result if c1 is completely on top */
|
|
cR1[0] = c1[3] * c1[0] + (255 - c1[3]) * c2[0];
|
|
cR1[1] = c1[3] * c1[1] + (255 - c1[3]) * c2[1];
|
|
cR1[2] = c1[3] * c1[2] + (255 - c1[3]) * c2[2];
|
|
cR1[3] = MUL255 (c1[3]) + (255 - c1[3]) * c2[3];
|
|
}
|
|
|
|
if (frac != 1)
|
|
{
|
|
/* cR2 -> result if c2 is completely on top */
|
|
cR2[0] = c2[3] * c2[0] + (255 - c2[3]) * c1[0];
|
|
cR2[1] = c2[3] * c2[1] + (255 - c2[3]) * c1[1];
|
|
cR2[2] = c2[3] * c2[2] + (255 - c2[3]) * c1[2];
|
|
cR2[3] = MUL255 (c2[3]) + (255 - c2[3]) * c1[3];
|
|
}
|
|
|
|
if (frac == 1)
|
|
{
|
|
cR[0] = cR1[0];
|
|
cR[1] = cR1[1];
|
|
cR[2] = cR1[2];
|
|
cR[3] = cR1[3];
|
|
}
|
|
else if (frac == 0)
|
|
{
|
|
cR[0] = cR2[0];
|
|
cR[1] = cR2[1];
|
|
cR[2] = cR2[2];
|
|
cR[3] = cR2[3];
|
|
}
|
|
else
|
|
{
|
|
tempInt = LERP (frac, cR2[0], cR1[0]);
|
|
cR[0] = CLAMP (tempInt,0,255 * 255);
|
|
tempInt = LERP (frac, cR2[1], cR1[1]);
|
|
cR[1] = CLAMP (tempInt,0,255 * 255);
|
|
tempInt = LERP (frac, cR2[2], cR1[2]);
|
|
cR[2] = CLAMP (tempInt,0,255 * 255);
|
|
tempInt = LERP (frac, cR2[3], cR1[3]);
|
|
cR[3] = CLAMP (tempInt,0,255 * 255);
|
|
}
|
|
|
|
temp = DIV255 (cR[0]); resultRow[4 * i ] = MIN (temp, 255);
|
|
temp = DIV255 (cR[1]); resultRow[4 * i + 1] = MIN (temp, 255);
|
|
temp = DIV255 (cR[2]); resultRow[4 * i + 2] = MIN (temp, 255);
|
|
temp = DIV255 (cR[3]); resultRow[4 * i + 3] = MIN (temp, 255);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
DepthMerge_dialog (DepthMerge *dm)
|
|
{
|
|
GtkWidget *dialog;
|
|
GtkWidget *vbox;
|
|
GtkWidget *frame;
|
|
GtkWidget *grid;
|
|
GtkWidget *hbox;
|
|
GtkWidget *label;
|
|
GtkWidget *combo;
|
|
GtkWidget *scale;
|
|
gboolean run;
|
|
|
|
dm->interface = g_new0 (DepthMergeInterface, 1);
|
|
|
|
pika_ui_init (PLUG_IN_BINARY);
|
|
|
|
dm->interface->dialog =
|
|
dialog = pika_dialog_new (_("Depth Merge"), PLUG_IN_ROLE,
|
|
NULL, 0,
|
|
pika_standard_help_func, PLUG_IN_PROC,
|
|
|
|
_("_Cancel"), GTK_RESPONSE_CANCEL,
|
|
_("_OK"), GTK_RESPONSE_OK,
|
|
|
|
NULL);
|
|
|
|
pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
|
|
GTK_RESPONSE_OK,
|
|
GTK_RESPONSE_CANCEL,
|
|
-1);
|
|
|
|
pika_window_set_transient (GTK_WINDOW (dialog));
|
|
|
|
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
|
|
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
|
|
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
|
|
vbox, FALSE, FALSE, 0);
|
|
gtk_widget_show (vbox);
|
|
|
|
/* Preview */
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
|
|
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
|
|
gtk_widget_show (hbox);
|
|
|
|
frame = gtk_frame_new (NULL);
|
|
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
|
|
gtk_box_pack_start (GTK_BOX (hbox), frame, FALSE, FALSE, 0);
|
|
gtk_widget_show (frame);
|
|
|
|
dm->interface->previewWidth = MIN (dm->selectionWidth, PREVIEW_SIZE);
|
|
dm->interface->previewHeight = MIN (dm->selectionHeight, PREVIEW_SIZE);
|
|
dm->interface->preview = pika_preview_area_new ();
|
|
gtk_widget_set_size_request (dm->interface->preview,
|
|
dm->interface->previewWidth,
|
|
dm->interface->previewHeight);
|
|
gtk_container_add (GTK_CONTAINER (frame), dm->interface->preview);
|
|
gtk_widget_show (dm->interface->preview);
|
|
|
|
DepthMerge_buildPreviewSourceImage (dm);
|
|
|
|
/* Source and Depth Map selection */
|
|
grid = gtk_grid_new ();
|
|
gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
|
|
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
|
|
gtk_box_pack_start (GTK_BOX (vbox), grid, FALSE, FALSE, 0);
|
|
gtk_widget_show (grid);
|
|
|
|
label = gtk_label_new (_("Source 1:"));
|
|
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
|
|
gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
|
|
gtk_widget_show (label);
|
|
|
|
combo = pika_drawable_combo_box_new (dm_constraint, dm, NULL);
|
|
pika_int_combo_box_connect (PIKA_INT_COMBO_BOX (combo), dm->params.source1_id,
|
|
G_CALLBACK (dialogSource1ChangedCallback),
|
|
dm, NULL);
|
|
|
|
gtk_grid_attach (GTK_GRID (grid), combo, 1, 0, 2, 1);
|
|
gtk_widget_show (combo);
|
|
|
|
label = gtk_label_new(_("Depth map:"));
|
|
gtk_widget_set_margin_bottom (label, 6);
|
|
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
|
|
gtk_grid_attach (GTK_GRID (grid), label, 0, 1, 1, 1);
|
|
gtk_widget_show (label);
|
|
|
|
combo = pika_drawable_combo_box_new (dm_constraint, dm, NULL);
|
|
gtk_widget_set_margin_bottom (combo, 6);
|
|
pika_int_combo_box_connect (PIKA_INT_COMBO_BOX (combo), dm->params.depthMap1_id,
|
|
G_CALLBACK (dialogDepthMap1ChangedCallback),
|
|
dm, NULL);
|
|
|
|
gtk_grid_attach (GTK_GRID (grid), combo, 1, 1, 2, 1);
|
|
gtk_widget_show (combo);
|
|
|
|
label = gtk_label_new (_("Source 2:"));
|
|
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
|
|
gtk_grid_attach (GTK_GRID (grid), label, 0, 2, 1, 1);
|
|
gtk_widget_show (label);
|
|
|
|
combo = pika_drawable_combo_box_new (dm_constraint, dm, NULL);
|
|
pika_int_combo_box_connect (PIKA_INT_COMBO_BOX (combo), dm->params.source2_id,
|
|
G_CALLBACK (dialogSource2ChangedCallback),
|
|
dm, NULL);
|
|
|
|
gtk_grid_attach (GTK_GRID (grid), combo, 1, 2, 2, 1);
|
|
gtk_widget_show (combo);
|
|
|
|
label = gtk_label_new (_("Depth map:"));
|
|
gtk_widget_set_margin_bottom (label, 6);
|
|
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
|
|
gtk_grid_attach (GTK_GRID (grid), label, 0, 3, 1, 1);
|
|
gtk_widget_show (label);
|
|
|
|
combo = pika_drawable_combo_box_new (dm_constraint, dm, NULL);
|
|
gtk_widget_set_margin_bottom (combo, 6);
|
|
pika_int_combo_box_connect (PIKA_INT_COMBO_BOX (combo), dm->params.depthMap2_id,
|
|
G_CALLBACK (dialogDepthMap2ChangedCallback),
|
|
dm, NULL);
|
|
|
|
gtk_grid_attach (GTK_GRID (grid), combo, 1, 3, 2, 1);
|
|
gtk_widget_show (combo);
|
|
|
|
/* Numeric parameters */
|
|
scale = pika_scale_entry_new (_("O_verlap:"), dm->params.overlap, 0, 2, 3);
|
|
pika_label_spin_set_increments (PIKA_LABEL_SPIN (scale), 0.001, 0.01);
|
|
g_signal_connect (scale, "value-changed",
|
|
G_CALLBACK (dialogValueScaleUpdateCallback),
|
|
&(dm->params.overlap));
|
|
g_object_set_data (G_OBJECT (scale), "dm", dm);
|
|
gtk_grid_attach (GTK_GRID (grid), scale, 0, 4, 3, 1);
|
|
gtk_widget_show (scale);
|
|
|
|
scale = pika_scale_entry_new (_("O_ffset:"), dm->params.offset, -1, 1, 3);
|
|
pika_label_spin_set_increments (PIKA_LABEL_SPIN (scale), 0.001, 0.01);
|
|
g_signal_connect (scale, "value-changed",
|
|
G_CALLBACK (dialogValueScaleUpdateCallback),
|
|
&(dm->params.offset));
|
|
g_object_set_data (G_OBJECT (scale), "dm", dm);
|
|
gtk_grid_attach (GTK_GRID (grid), scale, 0, 5, 3, 1);
|
|
gtk_widget_show (scale);
|
|
|
|
scale = pika_scale_entry_new (_("Sc_ale 1:"), dm->params.scale1, -1, 1, 3);
|
|
pika_label_spin_set_increments (PIKA_LABEL_SPIN (scale), 0.001, 0.01);
|
|
g_signal_connect (scale, "value-changed",
|
|
G_CALLBACK (dialogValueScaleUpdateCallback),
|
|
&(dm->params.scale1));
|
|
g_object_set_data (G_OBJECT (scale), "dm", dm);
|
|
gtk_grid_attach (GTK_GRID (grid), scale, 0, 6, 3, 1);
|
|
gtk_widget_show (scale);
|
|
|
|
scale = pika_scale_entry_new (_("Sca_le 2:"), dm->params.scale2, -1, 1, 3);
|
|
pika_label_spin_set_increments (PIKA_LABEL_SPIN (scale), 0.001, 0.01);
|
|
g_signal_connect (scale, "value-changed",
|
|
G_CALLBACK (dialogValueScaleUpdateCallback),
|
|
&(dm->params.scale2));
|
|
g_object_set_data (G_OBJECT (scale), "dm", dm);
|
|
gtk_grid_attach (GTK_GRID (grid), scale, 0, 7, 3, 1);
|
|
gtk_widget_show (scale);
|
|
|
|
dm->interface->active = TRUE;
|
|
|
|
gtk_widget_show (dm->interface->dialog);
|
|
DepthMerge_updatePreview (dm);
|
|
|
|
run = (pika_dialog_run (PIKA_DIALOG (dm->interface->dialog)) == GTK_RESPONSE_OK);
|
|
|
|
gtk_widget_destroy (dm->interface->dialog);
|
|
dm->interface->dialog = NULL;
|
|
|
|
return run;
|
|
}
|
|
|
|
static void
|
|
DepthMerge_buildPreviewSourceImage (DepthMerge *dm)
|
|
{
|
|
dm->interface->previewSource1 =
|
|
g_new (guchar, dm->interface->previewWidth *
|
|
dm->interface->previewHeight * 4);
|
|
util_fillReducedBuffer (dm->interface->previewSource1,
|
|
babl_format ("R'G'B'A u8"),
|
|
dm->interface->previewWidth,
|
|
dm->interface->previewHeight,
|
|
dm->source1Drawable,
|
|
dm->selectionX, dm->selectionY,
|
|
dm->selectionWidth, dm->selectionHeight);
|
|
|
|
dm->interface->previewSource2 =
|
|
g_new (guchar, dm->interface->previewWidth *
|
|
dm->interface->previewHeight * 4);
|
|
util_fillReducedBuffer (dm->interface->previewSource2,
|
|
babl_format ("R'G'B'A u8"),
|
|
dm->interface->previewWidth,
|
|
dm->interface->previewHeight,
|
|
dm->source2Drawable,
|
|
dm->selectionX, dm->selectionY,
|
|
dm->selectionWidth, dm->selectionHeight);
|
|
|
|
dm->interface->previewDepthMap1 =
|
|
g_new (guchar, dm->interface->previewWidth *
|
|
dm->interface->previewHeight * 1);
|
|
util_fillReducedBuffer (dm->interface->previewDepthMap1,
|
|
babl_format ("Y' u8"),
|
|
dm->interface->previewWidth,
|
|
dm->interface->previewHeight,
|
|
dm->depthMap1Drawable,
|
|
dm->selectionX, dm->selectionY,
|
|
dm->selectionWidth, dm->selectionHeight);
|
|
|
|
dm->interface->previewDepthMap2 =
|
|
g_new (guchar, dm->interface->previewWidth *
|
|
dm->interface->previewHeight * 1);
|
|
util_fillReducedBuffer (dm->interface->previewDepthMap2,
|
|
babl_format ("Y' u8"),
|
|
dm->interface->previewWidth,
|
|
dm->interface->previewHeight,
|
|
dm->depthMap2Drawable,
|
|
dm->selectionX, dm->selectionY,
|
|
dm->selectionWidth, dm->selectionHeight);
|
|
}
|
|
|
|
static void
|
|
DepthMerge_updatePreview (DepthMerge *dm)
|
|
{
|
|
gint y;
|
|
guchar *source1Row, *source2Row;
|
|
guchar *depthMap1Row, *depthMap2Row;
|
|
guchar *resultRGBA;
|
|
|
|
if (!dm->interface->active)
|
|
return;
|
|
|
|
resultRGBA = g_new (guchar, 4 * dm->interface->previewWidth *
|
|
dm->interface->previewHeight);
|
|
|
|
for (y = 0; y < dm->interface->previewHeight; y++)
|
|
{
|
|
source1Row =
|
|
&(dm->interface->previewSource1[ y * dm->interface->previewWidth * 4]);
|
|
source2Row =
|
|
&(dm->interface->previewSource2[ y * dm->interface->previewWidth * 4]);
|
|
depthMap1Row =
|
|
&(dm->interface->previewDepthMap1[y * dm->interface->previewWidth ]);
|
|
depthMap2Row =
|
|
&(dm->interface->previewDepthMap2[y * dm->interface->previewWidth ]);
|
|
|
|
DepthMerge_executeRegion(dm,
|
|
source1Row, source2Row, depthMap1Row, depthMap2Row,
|
|
resultRGBA + 4 * y * dm->interface->previewWidth,
|
|
dm->interface->previewWidth);
|
|
}
|
|
|
|
pika_preview_area_draw (PIKA_PREVIEW_AREA (dm->interface->preview),
|
|
0, 0,
|
|
dm->interface->previewWidth,
|
|
dm->interface->previewHeight,
|
|
PIKA_RGBA_IMAGE,
|
|
resultRGBA,
|
|
dm->interface->previewWidth * 4);
|
|
g_free(resultRGBA);
|
|
}
|
|
|
|
/* ----- Callbacks ----- */
|
|
|
|
static gboolean
|
|
dm_constraint (PikaImage *image,
|
|
PikaItem *item,
|
|
gpointer data)
|
|
{
|
|
DepthMerge *dm = data;
|
|
PikaDrawable *drawable = PIKA_DRAWABLE (item);
|
|
|
|
return ((pika_drawable_get_width (drawable) ==
|
|
pika_drawable_get_width (dm->resultDrawable)) &&
|
|
(pika_drawable_get_height (drawable) ==
|
|
pika_drawable_get_height (dm->resultDrawable)) &&
|
|
((pika_drawable_is_rgb (drawable) &&
|
|
(pika_drawable_is_rgb (dm->resultDrawable))) ||
|
|
pika_drawable_is_gray (drawable)));
|
|
}
|
|
|
|
static void
|
|
dialogSource1ChangedCallback (GtkWidget *widget,
|
|
DepthMerge *dm)
|
|
{
|
|
pika_int_combo_box_get_active (PIKA_INT_COMBO_BOX (widget),
|
|
&dm->params.source1_id);
|
|
|
|
dm->source1Drawable = pika_drawable_get_by_id (dm->params.source1_id);
|
|
|
|
util_fillReducedBuffer (dm->interface->previewSource1,
|
|
babl_format ("R'G'B'A u8"),
|
|
dm->interface->previewWidth,
|
|
dm->interface->previewHeight,
|
|
dm->source1Drawable,
|
|
dm->selectionX, dm->selectionY,
|
|
dm->selectionWidth, dm->selectionHeight);
|
|
|
|
DepthMerge_updatePreview (dm);
|
|
}
|
|
|
|
static void
|
|
dialogSource2ChangedCallback (GtkWidget *widget,
|
|
DepthMerge *dm)
|
|
{
|
|
pika_int_combo_box_get_active (PIKA_INT_COMBO_BOX (widget),
|
|
&dm->params.source2_id);
|
|
|
|
dm->source2Drawable = pika_drawable_get_by_id (dm->params.source2_id);
|
|
|
|
util_fillReducedBuffer (dm->interface->previewSource2,
|
|
babl_format ("R'G'B'A u8"),
|
|
dm->interface->previewWidth,
|
|
dm->interface->previewHeight,
|
|
dm->source2Drawable,
|
|
dm->selectionX, dm->selectionY,
|
|
dm->selectionWidth, dm->selectionHeight);
|
|
|
|
DepthMerge_updatePreview (dm);
|
|
}
|
|
|
|
static void
|
|
dialogDepthMap1ChangedCallback (GtkWidget *widget,
|
|
DepthMerge *dm)
|
|
{
|
|
pika_int_combo_box_get_active (PIKA_INT_COMBO_BOX (widget),
|
|
&dm->params.depthMap1_id);
|
|
|
|
dm->depthMap1Drawable = pika_drawable_get_by_id (dm->params.depthMap1_id);
|
|
|
|
util_fillReducedBuffer (dm->interface->previewDepthMap1,
|
|
babl_format ("Y' u8"),
|
|
dm->interface->previewWidth,
|
|
dm->interface->previewHeight,
|
|
dm->depthMap1Drawable,
|
|
dm->selectionX, dm->selectionY,
|
|
dm->selectionWidth, dm->selectionHeight);
|
|
|
|
DepthMerge_updatePreview (dm);
|
|
}
|
|
|
|
static void
|
|
dialogDepthMap2ChangedCallback (GtkWidget *widget,
|
|
DepthMerge *dm)
|
|
{
|
|
pika_int_combo_box_get_active (PIKA_INT_COMBO_BOX (widget),
|
|
&dm->params.depthMap2_id);
|
|
|
|
dm->depthMap2Drawable = pika_drawable_get_by_id (dm->params.depthMap2_id);
|
|
|
|
util_fillReducedBuffer (dm->interface->previewDepthMap2,
|
|
babl_format ("Y' u8"),
|
|
dm->interface->previewWidth,
|
|
dm->interface->previewHeight,
|
|
dm->depthMap2Drawable,
|
|
dm->selectionX, dm->selectionY,
|
|
dm->selectionWidth, dm->selectionHeight);
|
|
|
|
DepthMerge_updatePreview (dm);
|
|
}
|
|
|
|
static void
|
|
dialogValueScaleUpdateCallback (PikaLabelSpin *scale,
|
|
gfloat *value)
|
|
{
|
|
DepthMerge *dm = g_object_get_data (G_OBJECT (scale), "dm");
|
|
|
|
*value = (gfloat) pika_label_spin_get_value (scale);
|
|
|
|
DepthMerge_updatePreview (dm);
|
|
}
|
|
|
|
/* ----- Utility routines ----- */
|
|
|
|
static void
|
|
util_fillReducedBuffer (guchar *dest,
|
|
const Babl *dest_format,
|
|
gint destWidth,
|
|
gint destHeight,
|
|
PikaDrawable *sourceDrawable,
|
|
gint x0,
|
|
gint y0,
|
|
gint sourceWidth,
|
|
gint sourceHeight)
|
|
{
|
|
GeglBuffer *buffer;
|
|
guchar *sourceBuffer, *reducedRowBuffer;
|
|
guchar *sourceBufferPos, *reducedRowBufferPos;
|
|
guchar *sourceBufferRow;
|
|
gint x, y, i, yPrime;
|
|
gint destBPP;
|
|
gint *sourceRowOffsetLookup;
|
|
|
|
destBPP = babl_format_get_bytes_per_pixel (dest_format);
|
|
|
|
if (! sourceDrawable || (sourceWidth == 0) || (sourceHeight == 0))
|
|
{
|
|
for (x = 0; x < destWidth * destHeight * destBPP; x++)
|
|
dest[x] = 0;
|
|
|
|
return;
|
|
}
|
|
|
|
sourceBuffer = g_new (guchar, sourceWidth * sourceHeight * destBPP);
|
|
reducedRowBuffer = g_new (guchar, destWidth * destBPP);
|
|
sourceRowOffsetLookup = g_new (int, destWidth);
|
|
|
|
buffer = pika_drawable_get_buffer (sourceDrawable);
|
|
|
|
for (x = 0; x < destWidth; x++)
|
|
sourceRowOffsetLookup[x] = (x * (sourceWidth - 1) / (destWidth - 1)) * destBPP;
|
|
|
|
gegl_buffer_get (buffer,
|
|
GEGL_RECTANGLE (x0, y0, sourceWidth, sourceHeight), 1.0,
|
|
dest_format, sourceBuffer,
|
|
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
|
|
|
|
for (y = 0; y < destHeight; y++)
|
|
{
|
|
yPrime = y * (sourceHeight - 1) / (destHeight - 1);
|
|
sourceBufferRow = &(sourceBuffer[yPrime * sourceWidth * destBPP]);
|
|
reducedRowBufferPos = reducedRowBuffer;
|
|
|
|
for (x = 0; x < destWidth; x++)
|
|
{
|
|
sourceBufferPos = sourceBufferRow + sourceRowOffsetLookup[x];
|
|
for (i = 0; i < destBPP; i++)
|
|
reducedRowBufferPos[i] = sourceBufferPos[i];
|
|
reducedRowBufferPos += destBPP;
|
|
}
|
|
|
|
memcpy (&(dest[y * destWidth * destBPP]), reducedRowBuffer,
|
|
destWidth * destBPP);
|
|
}
|
|
|
|
g_object_unref (buffer);
|
|
|
|
g_free (sourceBuffer);
|
|
g_free (reducedRowBuffer);
|
|
g_free (sourceRowOffsetLookup);
|
|
}
|
