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gimp/plug-ins/common/filter-pack.c

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/*
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This is a plug-in for GIMP.
*
* Copyright (C) Pavel Grinfeld (pavel@ml.com)
*
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#define PLUG_IN_PROC "plug-in-filter-pack"
#define PLUG_IN_BINARY "filter-pack"
#define PLUG_IN_ROLE "gimp-filter-pack"
#define MAX_PREVIEW_SIZE 125
#define MAX_ROUGHNESS 128
#define RANGE_HEIGHT 15
#define PR_BX_BRDR 4
#define MARGIN 4
#define RANGE_ADJUST_MASK (GDK_EXPOSURE_MASK | \
GDK_ENTER_NOTIFY_MASK | \
GDK_BUTTON_PRESS_MASK | \
GDK_BUTTON_RELEASE_MASK | \
GDK_BUTTON1_MOTION_MASK | \
GDK_POINTER_MOTION_HINT_MASK)
typedef struct
{
gboolean run;
} fpInterface;
typedef struct
{
gint width;
gint height;
guchar *rgb;
gdouble *hsv;
guchar *mask;
} ReducedImage;
typedef enum
{
SHADOWS,
MIDTONES,
HIGHLIGHTS,
INTENSITIES
} FPIntensity;
enum
{
NONEATALL = 0,
CURRENT = 1,
HUE = 2,
SATURATION = 4,
VALUE = 8
};
enum
{
BY_HUE,
BY_SAT,
BY_VAL,
JUDGE_BY
};
enum
{
RED,
GREEN,
BLUE,
CYAN,
YELLOW,
MAGENTA,
ALL_PRIMARY
};
enum
{
DOWN = -1,
UP = 1
};
typedef struct
{
GtkWidget *window;
GtkWidget *range_preview;
GtkWidget *aliasing_preview;
GtkWidget *aliasing_graph;
} AdvancedWindow;
typedef struct
{
gdouble roughness;
gdouble aliasing;
gdouble preview_size;
FPIntensity intensity_range;
gint value_by;
gint selection_only;
guchar offset;
guchar visible_frames;
guchar cutoff[INTENSITIES];
gboolean touched[JUDGE_BY];
gint red_adjust[JUDGE_BY][256];
gint blue_adjust[JUDGE_BY][256];
gint green_adjust[JUDGE_BY][256];
gint sat_adjust[JUDGE_BY][256];
} FPValues;
typedef struct
{
GtkWidget *roughness_scale;
GtkWidget *aliasing_scale;
GtkWidget *preview_size_scale;
GtkWidget *range_label[12];
} FPWidgets;
static void fp_show_hide_frame (GtkWidget *button,
GtkWidget *frame);
static ReducedImage * fp_reduce_image (GimpDrawable *drawable,
GimpDrawable *mask,
gint longer_size,
gint selection);
static void fp_render_preview (GtkWidget *preview,
gint change_what,
gint change_which);
static void update_current_fp (gint change_what,
gint change_which);
static void fp_create_nudge (gint *adj_array);
static gboolean fp_dialog (void);
static void fp_advanced_dialog (GtkWidget *parent);
static void fp_selection_made (GtkWidget *widget,
gpointer data);
static void fp_scale_update (GtkAdjustment *adjustment,
gdouble *scale_val);
static void fp_reset_filter_packs (void);
static void fp_create_smoothness_graph (GtkWidget *preview);
static void fp_range_preview_spill (GtkWidget *preview,
gint type);
static void fp_adjust_preview_sizes (gint width,
gint height);
static void fp_redraw_all_windows (void);
static void fp_refresh_previews (gint which);
static void fp_init_filter_packs (void);
static void fp_preview_scale_update (GtkAdjustment *adjustment,
gdouble *scale_val);
static void fp (GimpDrawable *drawable);
static GtkWidget * fp_create_bna (void);
static GtkWidget * fp_create_rough (void);
static GtkWidget * fp_create_range (void);
static GtkWidget * fp_create_circle_palette (GtkWidget *parent);
static GtkWidget * fp_create_lnd (GtkWidget *parent);
static GtkWidget * fp_create_show (void);
static GtkWidget * fp_create_msnls (GtkWidget *parent);
static GtkWidget * fp_create_pixels_select_by (void);
static void update_range_labels (void);
static gboolean fp_range_change_events (GtkWidget *widget,
GdkEvent *event,
FPValues *current);
static void fp_create_preview (GtkWidget **preview,
GtkWidget **frame,
gint preview_width,
gint preview_height);
static void fp_create_table_entry (GtkWidget **box,
GtkWidget *smaller_frame,
const gchar *description);
static void fp_frames_checkbutton_in_box (GtkWidget *vbox,
const gchar *label,
GCallback func,
GtkWidget *frame,
gboolean clicked);
static void fp_preview_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
#define RESPONSE_RESET 1
/* These values are translated for the GUI but also used internally
to figure out which button the user pushed, etc.
Not my design, please don't blame me -- njl */
static const gchar *hue_red = N_("Red:");
static const gchar *hue_green = N_("Green:");
static const gchar *hue_blue = N_("Blue:");
static const gchar *hue_cyan = N_("Cyan:");
static const gchar *hue_yellow = N_("Yellow:");
static const gchar *hue_magenta = N_("Magenta:");
static const gchar *val_darker = N_("Darker:");
static const gchar *val_lighter = N_("Lighter:");
static const gchar *sat_more = N_("More Sat:");
static const gchar *sat_less = N_("Less Sat:");
static const gchar *current_val = N_("Current:");
static const gint colorSign[3][ALL_PRIMARY]=
{{1,-1,-1,-1,1,1},{-1,1,-1,1,1,-1},{-1,-1,1,1,-1,1}};
static AdvancedWindow AW = { NULL, NULL, NULL, NULL };
static FPWidgets fp_widgets = { NULL, NULL, NULL };
static gint nudgeArray[256];
static GtkWidget *origPreview, *curPreview;
static GtkWidget *rPreview, *gPreview, *bPreview;
static GtkWidget *cPreview, *yPreview, *mPreview;
static GtkWidget *centerPreview;
static GtkWidget *darkerPreview, *lighterPreview, *middlePreview;
static GtkWidget *dlg;
static GtkWidget *plusSatPreview, *SatPreview, *minusSatPreview;
static struct
{
GtkWidget *bna;
GtkWidget *palette;
GtkWidget *rough;
GtkWidget *range;
GtkWidget *show;
GtkWidget *lnd;
GtkWidget *pixelsBy;
GtkWidget *frameSelect;
GtkWidget *satur;
} fp_frames;
static fpInterface FPint =
{
FALSE /* run */
};
static ReducedImage *reduced;
static FPValues fpvals =
{
.25, /* Initial Roughness */
.6, /* Initial Degree of Aliasing */
80, /* Initial preview size */
MIDTONES, /* Initial Range */
BY_VAL, /* Initial God knows what */
TRUE, /* Selection Only */
0, /* Offset */
0, /* Visible frames */
{ 32, 224, 255 }, /* cutoffs */
{ FALSE, FALSE, FALSE } /* touched */
};
static GimpDrawable *drawable = NULL;
static GimpDrawable *mask = NULL;
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
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 (used for indexed images)" },
{ GIMP_PDB_DRAWABLE, "drawable", "Input drawable" }
};
gimp_install_procedure (PLUG_IN_PROC,
N_("Interactively modify the image colors"),
"Interactively modify the image colors.",
"Pavel Grinfeld (pavel@ml.com)",
"Pavel Grinfeld (pavel@ml.com)",
"27th March 1997",
N_("_Filter Pack..."),
"RGB*",
GIMP_PLUGIN,
G_N_ELEMENTS (args), 0,
args, NULL);
}
/********************************STANDARD RUN*************************/
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[1];
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
GimpRunMode run_mode;
*nreturn_vals = 1;
*return_vals = values;
run_mode = param[0].data.d_int32;
INIT_I18N ();
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
fp_init_filter_packs();
drawable = gimp_drawable_get (param[2].data.d_drawable);
if (gimp_selection_is_empty (param[1].data.d_image))
mask = NULL;
else
mask = gimp_drawable_get (gimp_image_get_selection (param[1].data.d_image));
switch (run_mode)
{
case GIMP_RUN_INTERACTIVE:
/* Possibly retrieve data */
gimp_get_data (PLUG_IN_PROC, &fpvals);
if (gimp_drawable_is_indexed (drawable->drawable_id) ||
gimp_drawable_is_gray (drawable->drawable_id) )
{
gimp_message (_("FP can only be used on RGB images."));
status = GIMP_PDB_EXECUTION_ERROR;
}
else if (! fp_dialog())
{
status = GIMP_PDB_CANCEL;
}
break;
case GIMP_RUN_NONINTERACTIVE:
gimp_message (_("FP can only be run interactively."));
status = GIMP_PDB_CALLING_ERROR;
break;
case GIMP_RUN_WITH_LAST_VALS:
/* Possibly retrieve data */
gimp_get_data (PLUG_IN_PROC, &fpvals);
break;
default:
break;
}
if (status == GIMP_PDB_SUCCESS)
{
/* Make sure that the drawable is gray or RGB color */
if (gimp_drawable_is_rgb (drawable->drawable_id))
{
gimp_progress_init (_("Applying filter pack"));
gimp_tile_cache_ntiles (2 * (drawable->width /
gimp_tile_width () + 1));
fp (drawable);
/* Store data */
if (run_mode == GIMP_RUN_INTERACTIVE)
gimp_set_data (PLUG_IN_PROC, &fpvals, sizeof (FPValues));
gimp_displays_flush ();
}
else
{
status = GIMP_PDB_EXECUTION_ERROR;
}
}
gimp_drawable_detach (drawable);
if (mask)
gimp_drawable_detach (mask);
values[0].data.d_status = status;
}
static void
fp_func (const guchar *src,
guchar *dest,
gint bpp,
gpointer data)
{
gint bytenum, k;
gint JudgeBy, Intensity = 0, P[3];
GimpRGB rgb;
GimpHSV hsv;
gint M, m, middle;
P[0] = src[0];
P[1] = src[1];
P[2] = src[2];
gimp_rgb_set_uchar (&rgb, (guchar) P[0], (guchar) P[1], (guchar) P[2]);
gimp_rgb_to_hsv (&rgb, &hsv);
for (JudgeBy = BY_HUE; JudgeBy < JUDGE_BY; JudgeBy++)
{
if (!fpvals.touched[JudgeBy])
continue;
switch (JudgeBy)
{
case BY_HUE:
Intensity = 255 * hsv.h;
break;
case BY_SAT:
Intensity = 255 * hsv.s;
break;
case BY_VAL:
Intensity = 255 * hsv.v;
break;
}
/* It's important to take care of Saturation first!!! */
m = MIN (MIN (P[0], P[1]), P[2]);
M = MAX (MAX (P[0], P[1]), P[2]);
middle = (M + m) / 2;
for (k = 0; k < 3; k++)
if (P[k] != m && P[k] != M)
middle = P[k];
for (k = 0; k < 3; k++)
if (M != m)
{
if (P[k] == M)
P[k] = MAX (P[k] + fpvals.sat_adjust[JudgeBy][Intensity], middle);
else if (P[k] == m)
P[k] = MIN (P[k] - fpvals.sat_adjust[JudgeBy][Intensity], middle);
}
P[0] += fpvals.red_adjust[JudgeBy][Intensity];
P[1] += fpvals.green_adjust[JudgeBy][Intensity];
P[2] += fpvals.blue_adjust[JudgeBy][Intensity];
P[0] = CLAMP0255(P[0]);
P[1] = CLAMP0255(P[1]);
P[2] = CLAMP0255(P[2]);
}
dest[0] = P[0];
dest[1] = P[1];
dest[2] = P[2];
for (bytenum = 3; bytenum < bpp; bytenum++)
dest[bytenum] = src[bytenum];
}
static void
fp (GimpDrawable *drawable)
{
gimp_rgn_iterate2 (drawable, 0 /* unused */, fp_func, NULL);
}
/***********************************************************/
/************ Main Dialog Window ******************/
/***********************************************************/
static GtkWidget *
fp_create_bna (void)
{
GtkWidget *table;
GtkWidget *label;
GtkWidget *bframe, *aframe;
fp_create_preview (&origPreview, &bframe, reduced->width, reduced->height);
fp_create_preview (&curPreview, &aframe, reduced->width, reduced->height);
table = gtk_table_new (2, 2, FALSE);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
label = gtk_label_new (_("Original:"));
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
GTK_SHRINK, GTK_SHRINK, 0, 0);
gtk_widget_show (label);
gtk_table_attach (GTK_TABLE (table), bframe, 0, 1, 1, 2,
GTK_EXPAND, 0, 0, 0);
label = gtk_label_new (_("Current:"));
gtk_table_attach (GTK_TABLE (table), label, 1, 2, 0, 1,
GTK_SHRINK, GTK_SHRINK, 0, 0);
gtk_widget_show (label);
gtk_table_attach (GTK_TABLE (table), aframe, 1, 2, 1, 2,
GTK_EXPAND, 0, 0, 0);
gtk_widget_show (table);
return table;
}
/* close a sub dialog (from window manager) by simulating toggle click */
static gboolean
sub_dialog_destroy (GtkWidget *dialog,
GdkEvent *ev,
gpointer dummy)
{
GtkWidget *button =
GTK_WIDGET (g_object_get_data (G_OBJECT (dialog), "ctrlButton"));
gtk_button_clicked (GTK_BUTTON (button));
return TRUE;
}
static GtkWidget *
fp_create_circle_palette (GtkWidget *parent)
{
GtkWidget *table;
GtkWidget *rVbox, *rFrame;
GtkWidget *gVbox, *gFrame;
GtkWidget *bVbox, *bFrame;
GtkWidget *cVbox, *cFrame;
GtkWidget *yVbox, *yFrame;
GtkWidget *mVbox, *mFrame;
GtkWidget *centerVbox, *centerFrame;
GtkWidget *win;
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gimp_help_connect (win, gimp_standard_help_func, PLUG_IN_PROC, NULL);
gtk_window_set_title (GTK_WINDOW (win), _("Hue Variations"));
gtk_window_set_transient_for (GTK_WINDOW (win), GTK_WINDOW (parent));
g_signal_connect (win, "delete-event",
G_CALLBACK (sub_dialog_destroy),
NULL);
table = gtk_table_new (11, 11, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_container_set_border_width (GTK_CONTAINER (table), 12);
gtk_container_add (GTK_CONTAINER (win), table);
gtk_widget_show (table);
fp_create_preview (&rPreview, &rFrame, reduced->width, reduced->height);
fp_create_preview (&gPreview, &gFrame, reduced->width, reduced->height);
fp_create_preview (&bPreview, &bFrame, reduced->width, reduced->height);
fp_create_preview (&cPreview, &cFrame, reduced->width, reduced->height);
fp_create_preview (&yPreview, &yFrame, reduced->width, reduced->height);
fp_create_preview (&mPreview, &mFrame, reduced->width, reduced->height);
fp_create_preview (&centerPreview, &centerFrame,
reduced->width, reduced->height);
fp_create_table_entry (&rVbox, rFrame, hue_red);
fp_create_table_entry (&gVbox, gFrame, hue_green);
fp_create_table_entry (&bVbox, bFrame, hue_blue);
fp_create_table_entry (&cVbox, cFrame, hue_cyan);
fp_create_table_entry (&yVbox, yFrame, hue_yellow);
fp_create_table_entry (&mVbox, mFrame, hue_magenta);
fp_create_table_entry (&centerVbox, centerFrame, current_val);
gtk_table_attach (GTK_TABLE (table), rVbox, 8, 11 ,4 , 7,
GTK_EXPAND , GTK_EXPAND, 0 ,0);
gtk_table_attach (GTK_TABLE (table), gVbox, 2, 5, 0, 3,
GTK_EXPAND, GTK_EXPAND, 0, 0);
gtk_table_attach (GTK_TABLE (table), bVbox, 2, 5, 8, 11,
GTK_EXPAND, GTK_EXPAND,0,0);
gtk_table_attach (GTK_TABLE (table), cVbox, 0, 3, 4, 7,
GTK_EXPAND, GTK_EXPAND, 0 ,0);
gtk_table_attach (GTK_TABLE (table), yVbox, 6, 9, 0, 3,
GTK_EXPAND, GTK_EXPAND, 0 ,0);
gtk_table_attach (GTK_TABLE (table), mVbox, 6, 9, 8, 11,
GTK_EXPAND, GTK_EXPAND, 0 ,0);
gtk_table_attach (GTK_TABLE (table), centerVbox, 4, 7, 4, 7,
GTK_EXPAND, GTK_EXPAND, 0 ,0);
return win;
}
static GtkWidget *
fp_create_rough (void)
{
GtkWidget *frame, *vbox, *scale;
GtkAdjustment *data;
frame = gimp_frame_new (_("Roughness"));
gtk_widget_show (frame);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
data = (GtkAdjustment *)
gtk_adjustment_new (fpvals.roughness, 0, 1.0, 0.05, 0.01, 0.0);
fp_widgets.roughness_scale = scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL,
data);
gtk_widget_set_size_request (scale, 60, -1);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_scale_set_digits (GTK_SCALE (scale), 2);
gtk_widget_show (scale);
g_signal_connect (data, "value-changed",
G_CALLBACK (fp_scale_update),
&fpvals.roughness);
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
return frame;
}
static void
fp_change_current_range (GtkWidget *widget,
gpointer data)
{
gimp_radio_button_update (widget, data);
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
{
fp_refresh_previews (fpvals.visible_frames);
if (AW.window && gtk_widget_get_visible (AW.window))
fp_create_smoothness_graph (AW.aliasing_preview);
}
}
static GtkWidget *
fp_create_range (void)
{
GtkWidget *frame;
frame = gimp_int_radio_group_new (TRUE, _("Affected Range"),
G_CALLBACK (fp_change_current_range),
&fpvals.intensity_range, fpvals.intensity_range,
_("Sha_dows"), SHADOWS, NULL,
_("_Midtones"), MIDTONES, NULL,
_("H_ighlights"), HIGHLIGHTS, NULL,
NULL);
gtk_widget_show (frame);
return frame;
}
static GtkWidget *
fp_create_control (void)
{
GtkWidget *frame, *box;
frame = gimp_frame_new (_("Windows"));
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (frame), box);
gtk_widget_show (box);
fp_frames_checkbutton_in_box (box, _("_Hue"),
G_CALLBACK (fp_show_hide_frame),
fp_frames.palette,
fpvals.visible_frames & HUE);
fp_frames_checkbutton_in_box (box, _("_Saturation"),
G_CALLBACK (fp_show_hide_frame),
fp_frames.satur,
fpvals.visible_frames & SATURATION);
fp_frames_checkbutton_in_box (box, _("_Value"),
G_CALLBACK (fp_show_hide_frame),
fp_frames.lnd,
fpvals.visible_frames & VALUE);
fp_frames_checkbutton_in_box (box, _("A_dvanced"),
G_CALLBACK (fp_show_hide_frame),
AW.window,
FALSE);
gtk_widget_show (frame);
return frame;
}
static GtkWidget *
fp_create_lnd (GtkWidget *parent)
{
GtkWidget *table, *lighterFrame, *middleFrame, *darkerFrame;
GtkWidget *lighterVbox, *middleVbox, *darkerVbox;
GtkWidget *win;
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gimp_help_connect (win, gimp_standard_help_func, PLUG_IN_PROC, NULL);
gtk_window_set_title (GTK_WINDOW (win), _("Value Variations"));
gtk_window_set_transient_for (GTK_WINDOW (win), GTK_WINDOW (parent));
g_signal_connect (win, "delete-event",
G_CALLBACK (sub_dialog_destroy),
NULL);
fp_create_preview (&lighterPreview, &lighterFrame,
reduced->width, reduced->height);
fp_create_preview (&middlePreview, &middleFrame,
reduced->width, reduced->height);
fp_create_preview (&darkerPreview, &darkerFrame,
reduced->width, reduced->height);
fp_create_table_entry (&lighterVbox, lighterFrame, val_lighter);
fp_create_table_entry (&middleVbox, middleFrame, current_val);
fp_create_table_entry (&darkerVbox, darkerFrame, val_darker);
table = gtk_table_new (1, 11, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_container_set_border_width (GTK_CONTAINER (table), 12);
gtk_container_add (GTK_CONTAINER (win), table);
gtk_widget_show (table);
gtk_table_attach (GTK_TABLE (table), lighterVbox, 0, 3, 0, 1,
GTK_EXPAND , GTK_EXPAND, 0, 0);
gtk_table_attach (GTK_TABLE (table), middleVbox, 4, 7, 0, 1,
GTK_EXPAND, GTK_EXPAND, 0, 0);
gtk_table_attach (GTK_TABLE (table), darkerVbox, 8, 11, 0, 1,
GTK_EXPAND, GTK_EXPAND, 0, 0);
return win;
}
static GtkWidget *
fp_create_msnls (GtkWidget *parent)
{
GtkWidget *table, *lessFrame, *middleFrame, *moreFrame;
GtkWidget *lessVbox, *middleVbox, *moreVbox;
GtkWidget *win;
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gimp_help_connect (win, gimp_standard_help_func, PLUG_IN_PROC, NULL);
gtk_window_set_title (GTK_WINDOW (win), _("Saturation Variations"));
gtk_window_set_transient_for (GTK_WINDOW (win), GTK_WINDOW (parent));
g_signal_connect (win, "delete-event",
G_CALLBACK (sub_dialog_destroy),
NULL);
fp_create_preview (&minusSatPreview, &lessFrame,
reduced->width, reduced->height);
fp_create_preview (&SatPreview, &middleFrame,
reduced->width, reduced->height);
fp_create_preview (&plusSatPreview, &moreFrame,
reduced->width, reduced->height);
fp_create_table_entry (&moreVbox, moreFrame, sat_more);
fp_create_table_entry (&middleVbox, middleFrame, current_val);
fp_create_table_entry (&lessVbox, lessFrame, sat_less);
table = gtk_table_new (1, 11, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_container_set_border_width (GTK_CONTAINER (table), 12);
gtk_container_add (GTK_CONTAINER (win), table);
gtk_widget_show (table);
gtk_table_attach (GTK_TABLE (table), moreVbox, 0, 3, 0, 1,
GTK_EXPAND, GTK_EXPAND, 0, 0);
gtk_table_attach (GTK_TABLE (table), middleVbox, 4, 7, 0, 1,
GTK_EXPAND, GTK_EXPAND, 0, 0);
gtk_table_attach (GTK_TABLE (table), lessVbox, 8, 11, 0, 1,
GTK_EXPAND, GTK_EXPAND, 0, 0);
return win;
}
static void
fp_change_current_pixels_by (GtkWidget *widget,
gpointer data)
{
gimp_radio_button_update (widget, data);
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
{
fp_refresh_previews (fpvals.visible_frames);
if (AW.window && gtk_widget_get_visible (AW.window) && AW.range_preview)
fp_range_preview_spill (AW.range_preview,fpvals.value_by);
}
}
static GtkWidget *
fp_create_pixels_select_by (void)
{
GtkWidget *frame;
frame = gimp_int_radio_group_new (TRUE, _("Select Pixels By"),
G_CALLBACK (fp_change_current_pixels_by),
&fpvals.value_by,
fpvals.value_by,
_("H_ue"), 0, NULL,
_("Satu_ration"), 1, NULL,
_("V_alue"), 2, NULL,
NULL);
gtk_widget_show (frame);
return frame;
}
static void
fp_change_selection (GtkWidget *widget,
gpointer data)
{
gimp_radio_button_update (widget, data);
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
{
fp_redraw_all_windows ();
}
}
static GtkWidget *
fp_create_show (void)
{
GtkWidget *frame;
frame = gimp_int_radio_group_new (TRUE, _("Show"),
G_CALLBACK (fp_change_selection),
&fpvals.selection_only,
fpvals.selection_only,
_("_Entire image"), 0, NULL,
_("Se_lection only"), 1, NULL,
_("Selec_tion in context"), 2, NULL,
NULL);
gtk_widget_show (frame);
return frame;
}
static void
fp_create_preview (GtkWidget **preview,
GtkWidget **frame,
gint preview_width,
gint preview_height)
{
*frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (*frame), GTK_SHADOW_IN);
gtk_widget_show (*frame);
*preview = gimp_preview_area_new ();
gtk_widget_set_size_request (*preview, preview_width, preview_height);
g_signal_connect (*preview, "size-allocate",
G_CALLBACK (fp_preview_size_allocate), NULL);
gtk_widget_show (*preview);
gtk_container_add (GTK_CONTAINER (*frame), *preview);
}
static void
fp_frames_checkbutton_in_box (GtkWidget *vbox,
const gchar *label,
GCallback function,
GtkWidget *frame,
gboolean clicked)
{
GtkWidget *button;
button = gtk_check_button_new_with_mnemonic (label);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
g_object_set_data (G_OBJECT (frame), "ctrlButton", (gpointer) button);
gtk_widget_show (button);
g_signal_connect (button, "clicked",
function,
frame);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), clicked);
}
static void
fp_create_table_entry (GtkWidget **box,
GtkWidget *smaller_frame,
const gchar *description)
{
GtkWidget *label;
GtkWidget *button;
GtkWidget *table;
*box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 1);
gtk_container_set_border_width (GTK_CONTAINER (*box), PR_BX_BRDR);
gtk_widget_show (*box);
/* Delayed translation applied here */
label = gtk_label_new (gettext (description));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_widget_show (label);
table = gtk_table_new (2, 1, FALSE);
gtk_widget_show (table);
gtk_box_pack_start (GTK_BOX (*box), table, TRUE, TRUE, 0);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
0, 0, 0, 0);
if (description != current_val)
{
button = gtk_button_new ();
gtk_table_attach (GTK_TABLE (table), button, 0, 1, 1, 2,
0, 0, 0, 4);
gtk_widget_show (button);
gtk_container_add (GTK_CONTAINER (button), smaller_frame);
g_signal_connect (button, "clicked",
G_CALLBACK (fp_selection_made),
(gchar *) description);
}
else
{
gtk_table_attach (GTK_TABLE (table), smaller_frame, 0, 1, 1, 2,
0, 0, 0, 4);
}
}
static void
fp_redraw_all_windows (void)
{
if (reduced)
{
g_free (reduced->rgb);
g_free (reduced->hsv);
g_free (reduced->mask);
g_free (reduced);
}
reduced = fp_reduce_image (drawable, mask,
fpvals.preview_size,
fpvals.selection_only);
fp_adjust_preview_sizes (reduced->width, reduced->height);
gtk_widget_queue_draw (fp_frames.palette);
gtk_widget_queue_draw (fp_frames.satur);
gtk_widget_queue_draw (fp_frames.lnd);
gtk_widget_queue_draw (dlg);
fp_refresh_previews (fpvals.visible_frames);
}
static void
fp_show_hide_frame (GtkWidget *button,
GtkWidget *frame)
{
gint prev = fpvals.visible_frames;
if (frame == NULL)
return;
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))
{
if (! gtk_widget_get_visible (frame))
{
gtk_widget_show (frame);
if (frame==fp_frames.palette)
fpvals.visible_frames |= HUE;
else if (frame==fp_frames.satur)
fpvals.visible_frames |= SATURATION;
else if (frame==fp_frames.lnd)
fpvals.visible_frames |= VALUE;
fp_refresh_previews (fpvals.visible_frames & ~prev);
fp_create_smoothness_graph (AW.aliasing_preview);
fp_range_preview_spill (AW.range_preview,fpvals.value_by);
}
}
else
{
if (gtk_widget_get_visible (frame))
{
gtk_widget_hide (frame);
if (frame==fp_frames.palette)
fpvals.visible_frames &= ~HUE;
else if (frame==fp_frames.satur)
fpvals.visible_frames &= ~SATURATION;
else if (frame==fp_frames.lnd)
fpvals.visible_frames &= ~VALUE;
}
}
}
static void
fp_adjust_preview_sizes (gint width,
gint height)
{
gtk_widget_set_size_request (origPreview, width, height);
gtk_widget_set_size_request (curPreview, width, height);
gtk_widget_set_size_request (rPreview, width, height);
gtk_widget_set_size_request (gPreview, width, height);
gtk_widget_set_size_request (bPreview, width, height);
gtk_widget_set_size_request (cPreview, width, height);
gtk_widget_set_size_request (yPreview, width, height);
gtk_widget_set_size_request (mPreview, width, height);
gtk_widget_set_size_request (centerPreview, width, height);
gtk_widget_set_size_request (lighterPreview, width, height);
gtk_widget_set_size_request (darkerPreview, width, height);
gtk_widget_set_size_request (middlePreview, width, height);
gtk_widget_set_size_request (minusSatPreview, width, height);
gtk_widget_set_size_request (SatPreview, width, height);
gtk_widget_set_size_request (plusSatPreview, width, height);
}
static void
fp_selection_made (GtkWidget *widget,
gpointer data)
{
fpvals.touched[fpvals.value_by] = TRUE;
if (data == (gpointer) hue_red)
{
update_current_fp (HUE, RED);
}
else if (data == (gpointer) hue_green)
{
update_current_fp (HUE, GREEN);
}
else if (data == (gpointer) hue_blue)
{
update_current_fp (HUE, BLUE);
}
else if (data == (gpointer) hue_cyan)
{
update_current_fp (HUE, CYAN);
}
else if (data == (gpointer) hue_yellow)
{
update_current_fp (HUE, YELLOW);
}
else if (data == (gpointer) hue_magenta)
{
update_current_fp (HUE, MAGENTA);
}
else if (data == (gpointer) val_darker)
{
update_current_fp (VALUE, DOWN);
}
else if (data == (gpointer) val_lighter)
{
update_current_fp (VALUE, UP);
}
else if (data == (gpointer) sat_more)
{
update_current_fp (SATURATION, UP);
}
else if (data == (gpointer) sat_less)
{
update_current_fp (SATURATION, DOWN);
}
fp_refresh_previews (fpvals.visible_frames);
}
static void
fp_refresh_previews (gint which)
{
fp_create_nudge (nudgeArray);
fp_render_preview (origPreview, NONEATALL, 0);
fp_render_preview (curPreview, CURRENT, 0);
if (which & HUE)
{
fp_render_preview (rPreview, HUE, RED);
fp_render_preview (gPreview, HUE, GREEN);
fp_render_preview (bPreview, HUE, BLUE);
fp_render_preview (cPreview, HUE, CYAN);
fp_render_preview (yPreview, HUE, YELLOW);
fp_render_preview (mPreview, HUE, MAGENTA);
fp_render_preview (centerPreview, CURRENT, 0);
}
if (which & VALUE)
{
fp_render_preview (lighterPreview, VALUE, UP);
fp_render_preview (middlePreview, CURRENT, 0);
fp_render_preview (darkerPreview, VALUE, DOWN);
}
if (which & SATURATION)
{
fp_render_preview (plusSatPreview, SATURATION, UP);
fp_render_preview (SatPreview, CURRENT, 0);
fp_render_preview (minusSatPreview, SATURATION, DOWN);
}
}
static void
fp_response (GtkWidget *widget,
gint response_id,
gpointer data)
{
switch (response_id)
{
case RESPONSE_RESET:
fp_reset_filter_packs ();
break;
case GTK_RESPONSE_OK:
FPint.run = TRUE;
gtk_widget_destroy (widget);
break;
default:
gtk_widget_destroy (widget);
break;
}
}
static void
fp_scale_update (GtkAdjustment *adjustment,
gdouble *scale_val)
{
static gdouble prevValue = 0.25;
*scale_val = gtk_adjustment_get_value (adjustment);
if (prevValue != gtk_adjustment_get_value (adjustment))
{
fp_create_nudge (nudgeArray);
fp_refresh_previews (fpvals.visible_frames);
if (AW.window != NULL && gtk_widget_get_visible (AW.window))
fp_create_smoothness_graph (AW.aliasing_preview);
prevValue = gtk_adjustment_get_value (adjustment);
}
}
static gboolean
fp_dialog (void)
{
GtkWidget *bna;
GtkWidget *palette;
GtkWidget *lnd;
GtkWidget *show;
GtkWidget *rough;
GtkWidget *range;
GtkWidget *pixelsBy;
GtkWidget *satur;
GtkWidget *control;
GtkWidget *table;
reduced = fp_reduce_image (drawable, mask,
fpvals.preview_size,
fpvals.selection_only);
gimp_ui_init (PLUG_IN_BINARY, FALSE);
dlg = gimp_dialog_new (_("Filter Pack Simulation"), PLUG_IN_ROLE,
NULL, 0,
gimp_standard_help_func, PLUG_IN_PROC,
GIMP_STOCK_RESET, RESPONSE_RESET,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dlg),
RESPONSE_RESET,
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gimp_window_set_transient (GTK_WINDOW (dlg));
g_signal_connect (dlg, "response",
G_CALLBACK (fp_response),
dlg);
g_signal_connect (dlg, "destroy",
G_CALLBACK (gtk_main_quit),
NULL);
fp_advanced_dialog (dlg);
fp_frames.bna = bna = fp_create_bna ();
fp_frames.rough = rough = fp_create_rough ();
fp_frames.range = range = fp_create_range ();
fp_frames.palette = palette = fp_create_circle_palette (dlg);
fp_frames.lnd = lnd = fp_create_lnd (dlg);
fp_frames.show = show = fp_create_show ();
fp_frames.satur = satur = fp_create_msnls (dlg);
fp_frames.pixelsBy = pixelsBy = fp_create_pixels_select_by ();
control = fp_create_control ();
/********************************************************************/
/******************** PUT EVERYTHING TOGETHER ******************/
table = gtk_table_new (4, 2, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_container_set_border_width (GTK_CONTAINER (table), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dlg))),
table, TRUE, TRUE, 0);
gtk_widget_show (table);
gtk_table_attach (GTK_TABLE (table), bna, 0, 2, 0, 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (table), control, 1, 2, 1, 3,
GTK_FILL | GTK_SHRINK, GTK_FILL | GTK_SHRINK, 0, 0);
gtk_table_attach (GTK_TABLE (table), rough, 1, 2, 3, 4,
GTK_FILL | GTK_SHRINK, GTK_FILL | GTK_SHRINK, 0, 0);
gtk_table_attach (GTK_TABLE (table), show, 0, 1, 1, 2,
GTK_FILL | GTK_SHRINK, GTK_FILL | GTK_SHRINK, 0, 0);
gtk_table_attach (GTK_TABLE (table), range, 0, 1, 2, 3,
GTK_FILL | GTK_SHRINK, GTK_FILL | GTK_SHRINK, 0, 0);
gtk_table_attach (GTK_TABLE (table), pixelsBy, 0, 1, 3, 4,
GTK_FILL | GTK_SHRINK, GTK_FILL | GTK_SHRINK, 0, 0);
gtk_widget_show (dlg);
fp_refresh_previews (fpvals.visible_frames);
gtk_main ();
return FPint.run;
}
/***********************************************************/
/************ Advanced Options Window ******************/
/***********************************************************/
static void
fp_preview_scale_update (GtkAdjustment *adjustment,
gdouble *scale_val)
{
fpvals.preview_size = gtk_adjustment_get_value (adjustment);
fp_redraw_all_windows();
}
static void
fp_advanced_dialog (GtkWidget *parent)
{
const gchar *rangeNames[] = { N_("Shadows:"),
N_("Midtones:"),
N_("Highlights:") };
GtkWidget *frame, *hbox;
GtkAdjustment *smoothnessData;
GtkWidget *graphFrame, *scale;
GtkWidget *vbox, *label, *labelTable, *alignment;
GtkWidget *inner_vbox, *innermost_vbox;
gint i;
AW.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gimp_help_connect (AW.window, gimp_standard_help_func, PLUG_IN_PROC, NULL);
gtk_window_set_title (GTK_WINDOW (AW.window),
_("Advanced Filter Pack Options"));
gtk_window_set_transient_for (GTK_WINDOW (AW.window), GTK_WINDOW (parent));
g_signal_connect (AW.window, "delete-event",
G_CALLBACK (sub_dialog_destroy),
NULL);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
gtk_container_add (GTK_CONTAINER (AW.window), hbox);
gtk_widget_show (hbox);
frame = gimp_frame_new (_("Affected Range"));
gtk_box_pack_start (GTK_BOX (hbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
graphFrame = gtk_aspect_frame_new (NULL, 0.5, 0.5, 1, TRUE);
gtk_frame_set_shadow_type (GTK_FRAME (graphFrame), GTK_SHADOW_IN);
gtk_container_set_border_width (GTK_CONTAINER (graphFrame), 0);
gtk_box_pack_start (GTK_BOX (vbox), graphFrame, FALSE, FALSE, 0);
gtk_widget_show (graphFrame);
inner_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (graphFrame), inner_vbox);
gtk_widget_show (inner_vbox);
alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_box_pack_start (GTK_BOX (inner_vbox), alignment, TRUE, TRUE, 0);
gtk_widget_show (alignment);
innermost_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (alignment), innermost_vbox);
gtk_widget_show (innermost_vbox);
AW.aliasing_preview = gimp_preview_area_new ();
gtk_widget_set_size_request (AW.aliasing_preview, 256, MAX_ROUGHNESS);
gtk_box_pack_start (GTK_BOX (innermost_vbox),
AW.aliasing_preview, TRUE, TRUE, 0);
gtk_widget_show (AW.aliasing_preview);
fp_create_smoothness_graph (AW.aliasing_preview);
AW.range_preview = gimp_preview_area_new ();
gtk_widget_set_size_request (AW.range_preview, 256, RANGE_HEIGHT);
gtk_box_pack_start(GTK_BOX (innermost_vbox),
AW.range_preview, TRUE, TRUE, 0);
gtk_widget_show (AW.range_preview);
fp_range_preview_spill (AW.range_preview, fpvals.value_by);
labelTable = gtk_table_new (3, 4, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (labelTable), 6);
gtk_table_set_row_spacings (GTK_TABLE (labelTable), 6);
gtk_box_pack_start (GTK_BOX (vbox), labelTable, FALSE, FALSE, 0);
gtk_widget_show (labelTable);
/************************************************************/
AW.aliasing_graph = gtk_drawing_area_new ();
gtk_widget_set_size_request (AW.aliasing_graph,
2 * MARGIN + 256,
RANGE_HEIGHT);
gtk_box_pack_start (GTK_BOX (inner_vbox), AW.aliasing_graph, TRUE, TRUE, 0);
gtk_widget_show (AW.aliasing_graph);
gtk_widget_set_events (AW.aliasing_graph, RANGE_ADJUST_MASK);
g_signal_connect (AW.aliasing_graph, "event",
G_CALLBACK (fp_range_change_events),
&fpvals);
/************************************************************/
for (i = 0; i < 12; i++)
{
label = fp_widgets.range_label[i] = gtk_label_new ("-");
if (!(i % 4))
{
gtk_label_set_text (GTK_LABEL(label), gettext (rangeNames[i/4]));
gimp_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
-1);
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
}
gtk_widget_show (label);
gtk_table_attach (GTK_TABLE (labelTable), label, i%4, i%4+1, i/4, i/4+1,
GTK_EXPAND | GTK_FILL, 0, 0, 0);
}
smoothnessData = (GtkAdjustment *)
gtk_adjustment_new (fpvals.aliasing,
0, 1.0, 0.05, 0.01, 0.0);
fp_widgets.aliasing_scale = scale =
gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, smoothnessData);
gtk_widget_set_size_request (scale, 200, -1);
gtk_scale_set_digits (GTK_SCALE (scale), 2);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
gtk_widget_show (scale);
g_signal_connect (smoothnessData, "value-changed",
G_CALLBACK (fp_scale_update),
&fpvals.aliasing);
/******************* MISC OPTIONS ***************************/
frame = gimp_frame_new (_("Preview Size"));
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
smoothnessData = (GtkAdjustment *)
gtk_adjustment_new (fpvals.preview_size,
50, MAX_PREVIEW_SIZE,
5, 5, 0.0);
fp_widgets.preview_size_scale = scale =
gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, smoothnessData);
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
gtk_widget_set_size_request (scale, 100, -1);
gtk_scale_set_digits (GTK_SCALE (scale), 0);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_widget_show (scale);
g_signal_connect (smoothnessData, "value-changed",
G_CALLBACK (fp_preview_scale_update),
&fpvals.preview_size);
update_range_labels ();
}
static void
slider_erase (GdkWindow *window,
int xpos)
{
gdk_window_clear_area (window, MARGIN + xpos - (RANGE_HEIGHT - 1) / 2, 0,
RANGE_HEIGHT, RANGE_HEIGHT);
}
static void
draw_slider (cairo_t *cr,
GdkColor *border_color,
GdkColor *fill_color,
gint xpos)
{
cairo_move_to (cr, MARGIN + xpos, 0);
cairo_line_to (cr, MARGIN + xpos - (RANGE_HEIGHT - 1) / 2, RANGE_HEIGHT - 1);
cairo_line_to (cr, MARGIN + xpos + (RANGE_HEIGHT - 1) / 2, RANGE_HEIGHT - 1);
cairo_line_to (cr, MARGIN + xpos, 0);
gdk_cairo_set_source_color (cr, fill_color);
cairo_fill_preserve (cr);
gdk_cairo_set_source_color (cr, border_color);
cairo_stroke (cr);
}
static void
draw_it (GtkWidget *widget)
{
GtkStyle *style = gtk_widget_get_style (AW.aliasing_graph);
cairo_t *cr = gdk_cairo_create (gtk_widget_get_window (AW.aliasing_graph));
cairo_translate (cr, 0.5, 0.5);
cairo_set_line_width (cr, 1.0);
draw_slider (cr,
&style->black,
&style->dark[GTK_STATE_NORMAL],
fpvals.cutoff[SHADOWS]);
draw_slider (cr,
&style->black,
&style->dark[GTK_STATE_NORMAL],
fpvals.cutoff[MIDTONES]);
draw_slider (cr,
&style->black,
&style->dark[GTK_STATE_SELECTED],
fpvals.offset);
cairo_destroy (cr);
}
static gboolean
fp_range_change_events (GtkWidget *widget,
GdkEvent *event,
FPValues *current)
{
GdkEventButton *bevent;
GdkEventMotion *mevent;
gint shad, mid, offset, min;
static guchar *new;
gint x;
switch (event->type)
{
case GDK_EXPOSE:
draw_it (NULL);
break;
case GDK_BUTTON_PRESS:
bevent= (GdkEventButton *) event;
shad = abs (bevent->x - fpvals.cutoff[SHADOWS]);
mid = abs (bevent->x - fpvals.cutoff[MIDTONES]);
offset = abs (bevent->x - fpvals.offset);
min = MIN (MIN (shad, mid), offset);
if (bevent->x >0 && bevent->x<256)
{
if (min == shad)
new = &fpvals.cutoff[SHADOWS];
else if (min == mid)
new = &fpvals.cutoff[MIDTONES];
else
new = &fpvals.offset;
slider_erase (gtk_widget_get_window (AW.aliasing_graph), *new);
*new = bevent->x;
}
draw_it (NULL);
fp_range_preview_spill (AW.range_preview, fpvals.value_by);
update_range_labels ();
fp_create_smoothness_graph (AW.aliasing_preview);
break;
case GDK_BUTTON_RELEASE:
fp_refresh_previews (fpvals.visible_frames);
break;
case GDK_MOTION_NOTIFY:
mevent = (GdkEventMotion *) event;
x = mevent->x;
if (x >= 0 && x < 256)
{
slider_erase (gtk_widget_get_window (AW.aliasing_graph), *new);
*new = x;
draw_it (NULL);
fp_range_preview_spill (AW.range_preview, fpvals.value_by);
update_range_labels ();
fp_create_smoothness_graph (AW.aliasing_preview);
}
gdk_event_request_motions (mevent);
break;
default:
break;
}
return FALSE;
}
static void
update_range_labels (void)
{
gchar buffer[4];
gtk_label_set_text (GTK_LABEL(fp_widgets.range_label[1]), "0");
g_snprintf (buffer, sizeof (buffer), "%d", fpvals.cutoff[SHADOWS]);
gtk_label_set_text (GTK_LABEL (fp_widgets.range_label[3]), buffer);
gtk_label_set_text (GTK_LABEL (fp_widgets.range_label[5]), buffer);
g_snprintf (buffer, sizeof (buffer), "%d", fpvals.cutoff[MIDTONES]);
gtk_label_set_text (GTK_LABEL (fp_widgets.range_label[7]), buffer);
gtk_label_set_text (GTK_LABEL (fp_widgets.range_label[9]), buffer);
gtk_label_set_text (GTK_LABEL(fp_widgets.range_label[11]), "255");
}
static void
fp_init_filter_packs (void)
{
gint i, j;
for (i = 0; i < 256; i++)
for (j = BY_HUE; j < JUDGE_BY; j++)
{
fpvals.red_adjust [j][i] = 0;
fpvals.green_adjust [j][i] = 0;
fpvals.blue_adjust [j][i] = 0;
fpvals.sat_adjust [j][i] = 0;
}
}
static void
fp_reset_filter_packs (void)
{
fp_init_filter_packs ();
fp_refresh_previews (fpvals.visible_frames);
}
static ReducedImage *
fp_reduce_image (GimpDrawable *drawable,
GimpDrawable *mask,
gint longer_size,
gint selection)
{
gint RH, RW, bytes = drawable->bpp;
gint x, y, width, height;
ReducedImage *temp = g_new0 (ReducedImage, 1);
guchar *tempRGB, *src_row, *tempmask, *src_mask_row, R, G, B;
gint i, j, whichcol, whichrow;
GimpPixelRgn srcPR, srcMask;
gdouble *tempHSV;
GimpRGB rgb;
GimpHSV hsv;
switch (selection)
{
case 0:
x = 0;
width = drawable->width;
y = 0;
height = drawable->height;
break;
case 1:
if (! gimp_drawable_mask_intersect (drawable->drawable_id,
&x, &y, &width, &height))
return temp;
break;
case 2:
if (! gimp_drawable_mask_intersect (drawable->drawable_id,
&x, &y, &width, &height) ||
! gimp_rectangle_intersect (x - width / 2, y - height / 2,
2 * width, 2 * height,
0, 0, drawable->width, drawable->height,
&x, &y, &width, &height))
return temp;
break;
default:
return temp;
}
if (width > height)
{
RW = longer_size;
RH = (gdouble) height * (gdouble) longer_size / (gdouble) width;
}
else
{
RH = longer_size;
RW = (gdouble) width * (gdouble) longer_size / (gdouble) height;
}
tempRGB = g_new (guchar, RW * RH * bytes);
tempHSV = g_new (gdouble, RW * RH * bytes);
tempmask = g_new (guchar, RW * RH);
src_row = g_new (guchar, width * bytes);
src_mask_row = g_new (guchar, width);
gimp_pixel_rgn_init (&srcPR, drawable, x, y, width, height, FALSE, FALSE);
if (mask)
{
gimp_pixel_rgn_init (&srcMask, mask, x, y, width, height, FALSE, FALSE);
}
else
{
memset (src_mask_row, 255, width);
}
for (i = 0; i < RH; i++)
{
whichrow = (gdouble) i * (gdouble) height / (gdouble) RH;
gimp_pixel_rgn_get_row (&srcPR, src_row, x, y + whichrow, width);
if (mask)
gimp_pixel_rgn_get_row (&srcMask, src_mask_row, x, y + whichrow, width);
for (j = 0; j < RW; j++)
{
whichcol = (gdouble) j * (gdouble) width / (gdouble) RW;
tempmask[i * RW + j] = src_mask_row[whichcol];
R = src_row[whichcol * bytes + 0];
G = src_row[whichcol * bytes + 1];
B = src_row[whichcol * bytes + 2];
gimp_rgb_set_uchar (&rgb, R, G, B);
gimp_rgb_to_hsv (&rgb, &hsv);
tempRGB[i * RW * bytes + j * bytes + 0] = R;
tempRGB[i * RW * bytes + j * bytes + 1] = G;
tempRGB[i * RW * bytes + j * bytes + 2] = B;
tempHSV[i * RW * bytes + j * bytes + 0] = hsv.h;
tempHSV[i * RW * bytes + j * bytes + 1] = hsv.s;
tempHSV[i * RW * bytes + j * bytes + 2] = hsv.v;
if (bytes == 4)
{
tempRGB[i * RW * bytes + j * bytes + 3] =
src_row[whichcol * bytes + 3];
}
}
}
g_free (src_row);
g_free (src_mask_row);
temp->width = RW;
temp->height = RH;
temp->rgb = tempRGB;
temp->hsv = tempHSV;
temp->mask = tempmask;
return temp;
}
static void
fp_render_preview (GtkWidget *preview,
gint change_what,
gint change_which)
{
guchar *a;
gint Inten;
gint bytes = drawable->bpp;
gint i, j, k, nudge, M, m, middle, JudgeBy;
gdouble partial;
gint RW = reduced->width;
gint RH = reduced->height;
gint backupP[3];
gint P[3];
gint tempSat[JUDGE_BY][256];
a = g_new (guchar, 4 * RW * RH);
if (change_what == SATURATION)
for (k = 0; k < 256; k++)
{
for (JudgeBy = BY_HUE; JudgeBy < JUDGE_BY; JudgeBy++)
tempSat[JudgeBy][k] = 0;
tempSat[fpvals.value_by][k] +=
change_which * nudgeArray[(k + fpvals.offset) % 256];
}
for (i = 0; i < RH; i++)
{
for (j = 0; j < RW; j++)
{
backupP[0] = P[0] = reduced->rgb[i * RW * bytes + j * bytes + 0];
backupP[1] = P[1] = reduced->rgb[i * RW * bytes + j * bytes + 1];
backupP[2] = P[2] = reduced->rgb[i * RW * bytes + j * bytes + 2];
m = MIN (MIN (P[0], P[1]), P[2]);
M = MAX (MAX (P[0], P[1]), P[2]);
middle = (M + m) / 2;
for (k = 0; k < 3; k++)
if (P[k] != m && P[k] != M) middle = P[k];
partial = reduced->mask[i * RW + j] / 255.0;
for (JudgeBy = BY_HUE; JudgeBy < JUDGE_BY; JudgeBy++)
{
if (!fpvals.touched[JudgeBy])
continue;
Inten =
reduced->hsv[i * RW * bytes + j * bytes + JudgeBy] * 255.0;
/*DO SATURATION FIRST*/
if (change_what != NONEATALL)
{
gint adjust = partial * fpvals.sat_adjust[JudgeBy][Inten];
if (M != m)
{
for (k = 0; k < 3; k++)
if (backupP[k] == M)
{
P[k] = MAX (P[k] + adjust, middle);
}
else if (backupP[k] == m)
{
P[k] = MIN (P[k] - adjust, middle);
}
}
P[0] += partial * fpvals.red_adjust[JudgeBy][Inten];
P[1] += partial * fpvals.green_adjust[JudgeBy][Inten];
P[2] += partial * fpvals.blue_adjust[JudgeBy][Inten];
}
}
Inten =
reduced->hsv[i * RW * bytes + j * bytes + fpvals.value_by] * 255.0;
nudge = partial * nudgeArray[(Inten + fpvals.offset) % 256];
switch (change_what)
{
case HUE:
P[0] += colorSign[RED][change_which] * nudge;
P[1] += colorSign[GREEN][change_which] * nudge;
P[2] += colorSign[BLUE][change_which] * nudge;
break;
case SATURATION:
for (JudgeBy = BY_HUE; JudgeBy < JUDGE_BY; JudgeBy++)
{
gint adjust = partial * tempSat[JudgeBy][Inten];
for (k = 0; k < 3; k++)
if (M != m)
{
if (backupP[k] == M)
{
P[k] = MAX (P[k] + adjust, middle);
}
else if (backupP[k] == m)
{
P[k] = MIN (P[k] - adjust, middle);
}
}
}
break;
case VALUE:
P[0] += change_which * nudge;
P[1] += change_which * nudge;
P[2] += change_which * nudge;
break;
default:
break;
}
a[(i * RW + j) * 4 + 0] = CLAMP0255 (P[0]);
a[(i * RW + j) * 4 + 1] = CLAMP0255 (P[1]);
a[(i * RW + j) * 4 + 2] = CLAMP0255 (P[2]);
if (bytes == 4)
a[(i * RW + j) * 4 + 3] = reduced->rgb[i * RW * bytes + j * bytes + 3];
else
a[(i * RW + j) * 4 + 3] = 255;
}
}
gimp_preview_area_draw (GIMP_PREVIEW_AREA (preview),
0, 0, RW, RH,
GIMP_RGBA_IMAGE,
a,
RW * 4);
g_free (a);
}
static void
update_current_fp (gint change_what,
gint change_which)
{
gint i;
for (i = 0; i < 256; i++)
{
gint nudge;
fp_create_nudge (nudgeArray);
nudge = nudgeArray[(i + fpvals.offset) % 256];
switch (change_what) {
case HUE:
fpvals.red_adjust[fpvals.value_by][i] +=
colorSign[RED][change_which] * nudge;
fpvals.green_adjust[fpvals.value_by][i] +=
colorSign[GREEN][change_which] * nudge;
fpvals.blue_adjust[fpvals.value_by][i] +=
colorSign[BLUE][change_which] * nudge;
break;
case SATURATION:
fpvals.sat_adjust[fpvals.value_by][i] += change_which * nudge;
break;
case VALUE:
fpvals.red_adjust[fpvals.value_by][i] += change_which * nudge;
fpvals.green_adjust[fpvals.value_by][i] += change_which * nudge;
fpvals.blue_adjust[fpvals.value_by][i] += change_which * nudge;
break;
default:
break;
}
}
}
static void
fp_create_smoothness_graph (GtkWidget *preview)
{
guchar data[256 * MAX_ROUGHNESS * 3];
gint nArray[256];
gint i, j;
gboolean toBeBlack;
fp_create_nudge(nArray);
for (i = 0; i < MAX_ROUGHNESS; i++)
{
gint coor = MAX_ROUGHNESS - i;
for (j = 0; j < 256; j++)
{
data[3 * (i * 256 + j) + 0] = 255;
data[3 * (i * 256 + j) + 1] = 255;
data[3 * (i * 256 + j) + 2] = 255;
if (!(i % (MAX_ROUGHNESS / 4)))
{
data[3 * (i * 256 + j) + 0] = 255;
data[3 * (i * 256 + j) + 1] = 128;
data[3 * (i * 256 + j) + 2] = 128;
}
if (!((j + 1) % 32))
{
data[3 * (i * 256 + j) + 0] = 255;
data[3 * (i * 256 + j) + 1] = 128;
data[3 * (i * 256 + j) + 2] = 128;
}
toBeBlack = FALSE;
if (nArray[j] == coor)
toBeBlack = TRUE;
if (j < 255)
{
gint jump = abs (nArray[j] - nArray[j+1]);
if (abs (coor - nArray[j]) < jump &&
abs (coor - nArray[j + 1]) < jump)
toBeBlack = TRUE;
}
if (toBeBlack)
{
data[3 * (i * 256 + j) + 0] = 0;
data[3 * (i * 256 + j) + 1] = 0;
data[3 * (i * 256 + j) + 2] = 0;
}
}
}
gimp_preview_area_draw (GIMP_PREVIEW_AREA (preview),
0, 0, 256, MAX_ROUGHNESS,
GIMP_RGB_IMAGE,
data,
256 * 3);
}
static void
fp_range_preview_spill (GtkWidget *preview,
gint type)
{
gint i, j;
guchar data[256 * RANGE_HEIGHT * 3];
for (i = 0; i < RANGE_HEIGHT; i++)
{
for (j = 0; j < 256; j++)
{
GimpRGB rgb;
GimpHSV hsv;
if (! ((j + 1) % 32))
{
data[3 * (i * 256 + j) + 0] = 255;
data[3 * (i * 256 + j) + 1] = 128;
data[3 * (i * 256 + j) + 2] = 128;
}
else
{
switch (type)
{
case BY_VAL:
data[3 * (i * 256 + j) + 0] = j - fpvals.offset;
data[3 * (i * 256 + j) + 1] = j - fpvals.offset;
data[3 * (i * 256 + j) + 2] = j - fpvals.offset;
break;
case BY_HUE:
gimp_hsv_set (&hsv,
((j - fpvals.offset + 256) % 256) / 255.0,
1.0,
0.5);
gimp_hsv_to_rgb (&hsv, &rgb);
gimp_rgb_get_uchar (&rgb,
&data[3 * (i * 256 + j) + 0],
&data[3 * (i * 256 + j) + 1],
&data[3 * (i * 256 + j) + 2]);
break;
case BY_SAT:
gimp_hsv_set (&hsv,
0.5,
((j - (gint) fpvals.offset + 256) % 256) / 255.0,
0.5);
gimp_hsv_to_rgb (&hsv, &rgb);
gimp_rgb_get_uchar (&rgb,
&data[3 * (i * 256 + j) + 0],
&data[3 * (i * 256 + j) + 1],
&data[3 * (i * 256 + j) + 2]);
break;
}
}
}
}
gimp_preview_area_draw (GIMP_PREVIEW_AREA (preview),
0, 0, 256, RANGE_HEIGHT,
GIMP_RGB_IMAGE,
data,
256 * 3);
}
static void
fp_create_nudge (gint *adj_array)
{
gint left, right, middle,i;
/* The following function was determined by trial and error */
gdouble Steepness = pow (1 - fpvals.aliasing, 4) * .8;
left = (fpvals.intensity_range == SHADOWS) ? 0 : fpvals.cutoff[fpvals.intensity_range - 1];
right = fpvals.cutoff[fpvals.intensity_range];
middle = (left + right)/2;
if (fpvals.aliasing)
for (i = 0; i < 256; i++)
if (i <= middle)
adj_array[i] = MAX_ROUGHNESS *
fpvals.roughness * (1 + tanh (Steepness * (i - left))) / 2;
else
adj_array[i] = MAX_ROUGHNESS *
fpvals.roughness * (1 + tanh (Steepness * (right - i))) / 2;
else
for (i = 0; i < 256; i++)
adj_array[i] = (left <= i && i <= right)
? MAX_ROUGHNESS * fpvals.roughness : 0;
}
static void
fp_preview_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
gint which = fpvals.visible_frames;
if (widget == origPreview)
fp_render_preview (origPreview, NONEATALL, 0);
else if (widget == curPreview)
fp_render_preview (curPreview, CURRENT, 0);
if (which & HUE)
{
if (widget == rPreview)
fp_render_preview (rPreview, HUE, RED);
else if (widget == gPreview)
fp_render_preview (gPreview, HUE, GREEN);
else if (widget == bPreview)
fp_render_preview (bPreview, HUE, BLUE);
else if (widget == cPreview)
fp_render_preview (cPreview, HUE, CYAN);
else if (widget == yPreview)
fp_render_preview (yPreview, HUE, YELLOW);
else if (widget == mPreview)
fp_render_preview (mPreview, HUE, MAGENTA);
else if (widget == centerPreview)
fp_render_preview (centerPreview, CURRENT, 0);
}
if (which & VALUE)
{
if (widget == lighterPreview)
fp_render_preview (lighterPreview, VALUE, UP);
else if (widget == middlePreview)
fp_render_preview (middlePreview, CURRENT, 0);
else if (widget == darkerPreview)
fp_render_preview (darkerPreview, VALUE, DOWN);
}
if (which & SATURATION)
{
if (widget == plusSatPreview)
fp_render_preview (plusSatPreview, SATURATION, UP);
else if (widget == SatPreview)
fp_render_preview (SatPreview, CURRENT, 0);
else if (widget == minusSatPreview)
fp_render_preview (minusSatPreview, SATURATION, DOWN);
}
}
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