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gimp/plug-ins/fp/fp.c

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/*
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This is a plug-in for the 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdlib.h>
#include <gtk/gtk.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#define MAX_PREVIEW_SIZE 125
#define MAX_ROUGHNESS 128
#define RANGE_HEIGHT 15
#define PR_BX_BRDR 4
#define ALL 255
#define MARGIN 4
#define HELP_ID "plug-in-filter-pack"
#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 {
gint run;
} fpInterface;
typedef struct {
gint width;
gint height;
guchar *rgb;
gdouble *hsv;
guchar *mask;
} ReducedImage;
typedef enum {
SHADOWS,
MIDTONES,
HIGHLIGHTS,
INTENSITIES
}FP_Intensity;
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 *shadowsEntry;
GtkWidget *midtonesEntry;
GtkWidget *rangePreview;
GtkWidget *aliasingPreview;
GtkObject *aliasingData;
GtkWidget *aliasingGraph;
} AdvancedWindow;
typedef struct {
int Color;
float Rough;
GtkWidget *roughnessScale;
float Alias;
GtkWidget *aliasingScale;
float PreviewSize;
GtkWidget *previewSizeScale;
FP_Intensity Range;
gint ValueBy;
gint SlctnOnly;
gint RealTime;
guchar Offset;
guchar VisibleFrames;
guchar Cutoffs[INTENSITIES];
gint Touched[JUDGE_BY];
gint redAdj[JUDGE_BY][256];
gint blueAdj[JUDGE_BY][256];
gint greenAdj[JUDGE_BY][256];
gint satAdj[JUDGE_BY][256];
GtkWidget *rangeLabels[12];
} FP_Params;
static void fp_show_hide_frame(GtkWidget *button,
GtkWidget *frame);
static ReducedImage *Reduce_The_Image (GimpDrawable *,
GimpDrawable *,
gint,
gint);
static void fp_render_preview (GtkWidget *,
gint,
gint);
static void Update_Current_FP (gint,
gint);
static void fp_Create_Nudge (gint*);
static gboolean fp_dialog (void);
static void fp_advanced_dialog (void);
static void selectionMade (GtkWidget *,
gpointer );
static void fp_scale_update (GtkAdjustment *,
float* );
static void resetFilterPacks (void);
static void fp_create_smoothness_graph (GtkWidget* );
static void fp_range_preview_spill (GtkWidget*,
gint );
static gint fp_fake_transparency (gint i, gint j);
static void Adjust_Preview_Sizes (gint width,
gint height );
static void fp_redraw_all_windows (void);
static void refreshPreviews (int);
static void initializeFilterPacks (void);
static void As_You_Drag (GtkWidget *button);
static void preview_size_scale_update (GtkAdjustment *adjustment,
float *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(void);
static GtkWidget *fp_create_lnd (void);
static GtkWidget *fp_create_show (void);
static GtkWidget *fp_create_msnls (void);
static GtkWidget *fp_create_pixels_select_by(void);
static void update_range_labels (void);
static gboolean FP_Range_Change_Events (GtkWidget *widget,
GdkEvent *event,
FP_Params *current);
static void Create_A_Preview (GtkWidget **,
GtkWidget **,
int,
int );
static void Create_A_Table_Entry (GtkWidget **,
GtkWidget *,
const gchar *);
static void Check_Button_In_A_Box (GtkWidget *,
const gchar *label,
GtkSignalFunc func,
gpointer data,
int clicked);
static void Frames_Check_Button_In_A_Box (GtkWidget *,
const gchar *label,
GtkSignalFunc func,
GtkWidget *frame,
int clicked);
#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 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, 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;
} fpFrames;
static fpInterface FPint =
{
FALSE /* run */
};
static ReducedImage *reduced;
static FP_Params Current =
{
1,
.25, /* Initial Roughness */
NULL,
.6, /* Initial Degree of Aliasing */
NULL,
80,
NULL,
MIDTONES, /* Initial Range */
BY_VAL, /* Initial God knows what */
TRUE, /* Selection Only */
TRUE, /* Real Time */
0, /* Offset */
0,
{32,224,255},
{0,0,0}
};
static GimpDrawable *drawable, *mask;
static GimpRunMode run_mode;
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
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", "Interactive, non-interactive" },
{ GIMP_PDB_IMAGE, "image", "Input image (used for indexed images)" },
{ GIMP_PDB_DRAWABLE, "drawable", "Input drawable" },
};
gimp_install_procedure ("plug_in_filter_pack",
"Allows the user to change H, S, or C with many previews",
"No help available",
"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);
gimp_plugin_menu_register ("plug_in_filter_pack",
N_("<Image>/Filters/Colors"));
}
/********************************STANDARD RUN*************************/
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
GimpParam values[1];
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
*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;
initializeFilterPacks();
drawable = gimp_drawable_get (param[2].data.d_drawable);
mask = gimp_drawable_get (gimp_image_get_selection (param[1].data.d_image));
if (gimp_drawable_is_indexed (drawable->drawable_id) ||
gimp_drawable_is_gray (drawable->drawable_id) )
{
gimp_message (_("Convert the image to RGB first!"));
status = GIMP_PDB_EXECUTION_ERROR;
}
else if (gimp_drawable_is_rgb (drawable->drawable_id) && fp_dialog())
{
gimp_progress_init (_("Applying the Filter Pack..."));
gimp_tile_cache_ntiles (2 * (drawable->width / gimp_tile_width () + 1));
fp (drawable);
gimp_displays_flush ();
}
else status = GIMP_PDB_EXECUTION_ERROR;
values[0].data.d_status = status;
if (status==GIMP_PDB_SUCCESS)
gimp_drawable_detach (drawable);
}
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 (!Current.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] + Current.satAdj[JudgeBy][Intensity], middle);
else if (P[k] == m)
P[k] = MIN (P[k] - Current.satAdj[JudgeBy][Intensity], middle);
}
P[0] += Current.redAdj[JudgeBy][Intensity];
P[1] += Current.greenAdj[JudgeBy][Intensity];
P[2] += Current.blueAdj[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, run_mode, fp_func, NULL);
}
/***********************************************************/
/************ Main Dialog Window ******************/
/***********************************************************/
static GtkWidget *
fp_create_bna (void)
{
GtkWidget *frame, *blabel, *alabel, *bframe, *aframe, *table;
Create_A_Preview (&origPreview, &bframe, reduced->width, reduced->height);
Create_A_Preview (&curPreview, &aframe, reduced->width, reduced->height);
frame = gtk_frame_new (_("Before and After"));
/* All the previews */
alabel = gtk_label_new (_("Current:"));
gtk_widget_show (alabel);
gtk_misc_set_alignment (GTK_MISC (alabel), 0.0, 0.5);
blabel = gtk_label_new (_("Original:"));
gtk_widget_show (blabel);
gtk_misc_set_alignment (GTK_MISC (blabel), 0.0, 0.5);
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);
gtk_container_add (GTK_CONTAINER (frame), table);
gtk_table_attach (GTK_TABLE (table), blabel, 0, 1, 0, 1,
0, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (table), alabel, 1, 2, 0, 1,
0, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (table), bframe, 0, 1, 1, 2,
GTK_EXPAND, GTK_EXPAND, 0, 0);
gtk_table_attach (GTK_TABLE (table), aframe, 1, 2, 1, 2,
GTK_EXPAND, GTK_EXPAND, 0, 0);
gtk_widget_show (table);
gtk_widget_show (frame);
return frame;
}
/* 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 (void)
{
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, HELP_ID, NULL);
gtk_window_set_title (GTK_WINDOW (win), _("Hue Variations"));
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);
Create_A_Preview (&rPreview, &rFrame, reduced->width, reduced->height);
Create_A_Preview (&gPreview, &gFrame, reduced->width, reduced->height);
Create_A_Preview (&bPreview, &bFrame, reduced->width, reduced->height);
Create_A_Preview (&cPreview, &cFrame, reduced->width, reduced->height);
Create_A_Preview (&yPreview, &yFrame, reduced->width, reduced->height);
Create_A_Preview (&mPreview, &mFrame, reduced->width, reduced->height);
Create_A_Preview (&centerPreview, &centerFrame,
reduced->width, reduced->height);
Create_A_Table_Entry (&rVbox, rFrame, hue_red);
Create_A_Table_Entry (&gVbox, gFrame, hue_green);
Create_A_Table_Entry (&bVbox, bFrame, hue_blue);
Create_A_Table_Entry (&cVbox, cFrame, hue_cyan);
Create_A_Table_Entry (&yVbox, yFrame, hue_yellow);
Create_A_Table_Entry (&mVbox, mFrame, hue_magenta);
Create_A_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;
GtkObject *data;
frame = gimp_frame_new (_("Roughness"));
gtk_widget_show (frame);
vbox = gtk_vbox_new (FALSE, 6);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
data = gtk_adjustment_new (Current.Rough, 0, 1.0, 0.05, 0.01, 0.0);
Current.roughnessScale = scale = gtk_hscale_new (GTK_ADJUSTMENT (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),
&Current.Rough);
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 (widget)->active)
{
refreshPreviews (Current.VisibleFrames);
if (AW.window && GTK_WIDGET_VISIBLE (AW.window))
fp_create_smoothness_graph (AW.aliasingPreview);
}
}
static GtkWidget *
fp_create_range (void)
{
GtkWidget *frame;
frame = gimp_int_radio_group_new (TRUE, _("Affected Range"),
G_CALLBACK (fp_change_current_range),
&Current.Range, Current.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_vbox_new (FALSE, 6);
gtk_container_add (GTK_CONTAINER (frame), box);
gtk_widget_show (box);
Frames_Check_Button_In_A_Box (box, _("_Hue"),
GTK_SIGNAL_FUNC (fp_show_hide_frame),
fpFrames.palette,
Current.VisibleFrames & HUE);
Frames_Check_Button_In_A_Box (box, _("_Saturation"),
GTK_SIGNAL_FUNC (fp_show_hide_frame),
fpFrames.satur,
Current.VisibleFrames & SATURATION);
Frames_Check_Button_In_A_Box (box, _("_Value"),
GTK_SIGNAL_FUNC (fp_show_hide_frame),
fpFrames.lnd,
Current.VisibleFrames & VALUE);
Frames_Check_Button_In_A_Box (box, _("A_dvanced"),
GTK_SIGNAL_FUNC (fp_show_hide_frame),
AW.window,
FALSE);
gtk_widget_show (frame);
return frame;
}
static GtkWidget *
fp_create_lnd (void)
{
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, HELP_ID, NULL);
gtk_window_set_title (GTK_WINDOW (win), _("Value Variations"));
g_signal_connect (win, "delete_event",
G_CALLBACK (sub_dialog_destroy),
NULL);
Create_A_Preview (&lighterPreview, &lighterFrame,
reduced->width, reduced->height);
Create_A_Preview (&middlePreview, &middleFrame,
reduced->width, reduced->height);
Create_A_Preview (&darkerPreview, &darkerFrame,
reduced->width, reduced->height);
Create_A_Table_Entry (&lighterVbox, lighterFrame, val_lighter);
Create_A_Table_Entry (&middleVbox, middleFrame, current_val);
Create_A_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 (void)
{
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, HELP_ID, NULL);
gtk_window_set_title (GTK_WINDOW (win), _("Saturation Variations"));
g_signal_connect (win, "delete_event",
G_CALLBACK (sub_dialog_destroy),
NULL);
Create_A_Preview (&minusSatPreview, &lessFrame,
reduced->width, reduced->height);
Create_A_Preview (&SatPreview, &middleFrame,
reduced->width, reduced->height);
Create_A_Preview (&plusSatPreview, &moreFrame,
reduced->width, reduced->height);
Create_A_Table_Entry (&moreVbox, moreFrame, sat_more);
Create_A_Table_Entry (&middleVbox, middleFrame, current_val);
Create_A_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 (widget)->active)
{
refreshPreviews (Current.VisibleFrames);
if (AW.window && GTK_WIDGET_VISIBLE (AW.window) && AW.rangePreview)
fp_range_preview_spill (AW.rangePreview,Current.ValueBy);
}
}
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),
&Current.ValueBy,
Current.ValueBy,
_("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 (widget)->active)
{
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),
&Current.SlctnOnly,
Current.SlctnOnly,
_("_Entire Image"), 0, NULL,
_("Se_lection Only"), 1, NULL,
_("Selec_tion In Context"), 2, NULL,
NULL);
gtk_widget_show (frame);
return frame;
}
static void
Create_A_Preview (GtkWidget **preview,
GtkWidget **frame,
gint previewWidth,
gint previewHeight)
{
*frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (*frame), GTK_SHADOW_IN);
gtk_widget_show (*frame);
*preview = gtk_preview_new (Current.Color ?
GTK_PREVIEW_COLOR : GTK_PREVIEW_GRAYSCALE);
gtk_preview_size (GTK_PREVIEW (*preview), previewWidth, previewHeight);
gtk_widget_show (*preview);
gtk_container_add (GTK_CONTAINER (*frame), *preview);
}
static void
Check_Button_In_A_Box (GtkWidget *vbox,
const gchar *label,
GtkSignalFunc function,
gpointer data,
gboolean clicked)
{
GtkWidget *button;
button = gtk_check_button_new_with_mnemonic (label);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_signal_connect (button, "clicked",
G_CALLBACK (function),
data);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), clicked);
}
static void
Frames_Check_Button_In_A_Box (GtkWidget *vbox,
const gchar *label,
GtkSignalFunc 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",
G_CALLBACK (function),
frame);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), clicked);
}
static void
Create_A_Table_Entry (GtkWidget **box,
GtkWidget *SmallerFrame,
const gchar *description)
{
GtkWidget *label, *button, *table;
*box = gtk_vbox_new (FALSE, 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), SmallerFrame);
g_signal_connect (button, "clicked",
G_CALLBACK (selectionMade),
(gchar *) description);
}
else
{
gtk_table_attach (GTK_TABLE (table), SmallerFrame, 0, 1, 1, 2,
0, 0, 0, 4);
}
}
static void
fp_redraw_all_windows (void)
{
reduced = Reduce_The_Image (drawable,mask,
Current.PreviewSize,
Current.SlctnOnly);
Adjust_Preview_Sizes (reduced->width, reduced->height);
gtk_widget_queue_draw (fpFrames.palette);
gtk_widget_queue_draw (fpFrames.satur);
gtk_widget_queue_draw (fpFrames.lnd);
gtk_widget_queue_draw (dlg);
refreshPreviews (Current.VisibleFrames);
}
static void
fp_show_hide_frame (GtkWidget *button,
GtkWidget *frame)
{
gint prev = Current.VisibleFrames;
if (frame == NULL)
return;
if (GTK_TOGGLE_BUTTON (button)->active)
{
if (!GTK_WIDGET_VISIBLE (frame))
{
gtk_widget_show (frame);
if (frame==fpFrames.palette)
Current.VisibleFrames |= HUE;
else if (frame==fpFrames.satur)
Current.VisibleFrames |= SATURATION;
else if (frame==fpFrames.lnd)
Current.VisibleFrames |= VALUE;
refreshPreviews (Current.VisibleFrames & ~prev);
}
}
else
{
if (GTK_WIDGET_VISIBLE (frame))
{
gtk_widget_hide (frame);
if (frame==fpFrames.palette)
Current.VisibleFrames &= ~HUE;
else if (frame==fpFrames.satur)
Current.VisibleFrames &= ~SATURATION;
else if (frame==fpFrames.lnd)
Current.VisibleFrames &= ~VALUE;
}
}
}
static void
Adjust_Preview_Sizes (gint width,
gint height)
{
gtk_preview_size (GTK_PREVIEW (origPreview), width, height);
gtk_preview_size (GTK_PREVIEW (curPreview), width, height);
gtk_preview_size (GTK_PREVIEW (rPreview), width, height);
gtk_preview_size (GTK_PREVIEW (gPreview), width, height);
gtk_preview_size (GTK_PREVIEW (bPreview), width, height);
gtk_preview_size (GTK_PREVIEW (cPreview), width, height);
gtk_preview_size (GTK_PREVIEW (yPreview), width, height);
gtk_preview_size (GTK_PREVIEW (mPreview), width, height);
gtk_preview_size (GTK_PREVIEW (centerPreview), width, height);
gtk_preview_size (GTK_PREVIEW (lighterPreview), width, height);
gtk_preview_size (GTK_PREVIEW (darkerPreview), width, height);
gtk_preview_size (GTK_PREVIEW (middlePreview), width, height);
gtk_preview_size (GTK_PREVIEW (minusSatPreview), width, height);
gtk_preview_size (GTK_PREVIEW (SatPreview), width, height);
gtk_preview_size (GTK_PREVIEW (plusSatPreview), width, height);
}
static void
selectionMade (GtkWidget *widget,
gpointer data)
{
Current.Touched[Current.ValueBy] = 1;
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);
}
refreshPreviews (Current.VisibleFrames);
}
static void
refreshPreviews (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:
resetFilterPacks ();
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,
float *scale_val)
{
static gfloat prevValue = 0.25;
*scale_val = adjustment->value;
if (prevValue != adjustment->value)
{
fp_Create_Nudge (nudgeArray);
refreshPreviews (Current.VisibleFrames);
if (AW.window != NULL && GTK_WIDGET_VISIBLE (AW.window))
fp_create_smoothness_graph (AW.aliasingPreview);
prevValue = adjustment->value;
}
}
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 = Reduce_The_Image (drawable,mask,
Current.PreviewSize,
Current.SlctnOnly);
gimp_ui_init ("fp", TRUE);
dlg = gimp_dialog_new (_("Filter Pack Simulation"), "fp",
NULL, 0,
gimp_standard_help_func, HELP_ID,
GIMP_STOCK_RESET, RESPONSE_RESET,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
g_signal_connect (dlg, "response",
G_CALLBACK (fp_response),
dlg);
g_signal_connect (dlg, "destroy",
G_CALLBACK (gtk_main_quit),
NULL);
fp_advanced_dialog ();
fpFrames.bna = bna = fp_create_bna();
fpFrames.rough = rough = fp_create_rough();
fpFrames.range = range = fp_create_range();
fpFrames.palette = palette = fp_create_circle_palette();
fpFrames.lnd = lnd = fp_create_lnd();
fpFrames.show = show = fp_create_show();
fpFrames.satur = satur = fp_create_msnls();
fpFrames.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 (dlg)->vbox), 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_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (table), rough, 1, 2, 3, 4,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (table), show, 0, 1, 1, 2,
GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (table), range, 0, 1, 2, 3,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_table_attach (GTK_TABLE (table), pixelsBy, 0, 1, 3, 4,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
gtk_widget_show (dlg);
refreshPreviews (Current.VisibleFrames);
gtk_main ();
return FPint.run;
}
/***********************************************************/
/************ Advanced Options Window ******************/
/***********************************************************/
static void
As_You_Drag (GtkWidget *button)
{
static gboolean notFirstTime = FALSE;
if (! notFirstTime)
return;
notFirstTime = TRUE;
if (GTK_TOGGLE_BUTTON (button)->active)
{
Current.RealTime=TRUE;
gtk_range_set_update_policy (GTK_RANGE (Current.roughnessScale),0);
gtk_range_set_update_policy (GTK_RANGE (Current.aliasingScale),0);
gtk_range_set_update_policy (GTK_RANGE (Current.previewSizeScale),0);
}
else
{
Current.RealTime=FALSE;
gtk_range_set_update_policy (GTK_RANGE (Current.roughnessScale),
GTK_UPDATE_DELAYED);
gtk_range_set_update_policy (GTK_RANGE (Current.aliasingScale),
GTK_UPDATE_DELAYED);
gtk_range_set_update_policy (GTK_RANGE (Current.previewSizeScale),
GTK_UPDATE_DELAYED);
}
}
static void
preview_size_scale_update (GtkAdjustment *adjustment,
float *scale_val)
{
Current.PreviewSize = adjustment->value;
fp_redraw_all_windows();
}
static void
fp_advanced_dialog (void)
{
gchar *rangeNames[] = { N_("Shadows:"),
N_("Midtones:"),
N_("Highlights:") };
GtkWidget *frame, *mainvbox;
GtkObject *smoothnessData;
GtkWidget *graphFrame, *table, *scale;
GtkWidget *vbox, *label, *labelTable;
gint i;
AW.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gimp_help_connect (AW.window, gimp_standard_help_func, HELP_ID, NULL);
gtk_window_set_title (GTK_WINDOW (AW.window),
_("Advanced Filter Pack Options"));
g_signal_connect (AW.window, "delete_event",
G_CALLBACK (sub_dialog_destroy),
NULL);
mainvbox = gtk_hbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (mainvbox), 12);
gtk_container_add (GTK_CONTAINER (AW.window), mainvbox);
gtk_widget_show (mainvbox);
frame = gimp_frame_new (_("Smoothness of Aliasing"));
gtk_box_pack_start (GTK_BOX (mainvbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
table = gtk_table_new (3, 1, FALSE);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_container_add (GTK_CONTAINER (frame), table);
gtk_widget_show (table);
graphFrame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (graphFrame), GTK_SHADOW_IN);
gtk_container_set_border_width (GTK_CONTAINER (graphFrame),0);
gtk_widget_show (graphFrame);
gtk_table_attach (GTK_TABLE (table), graphFrame, 0, 1, 0, 1,
GTK_EXPAND, 0, 0, 0);
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (graphFrame), vbox);
gtk_widget_show (vbox);
AW.aliasingPreview = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_preview_size (GTK_PREVIEW (AW.aliasingPreview), 256, MAX_ROUGHNESS);
gtk_box_pack_start (GTK_BOX (vbox), AW.aliasingPreview, TRUE, TRUE, 0);
gtk_widget_show (AW.aliasingPreview);
fp_create_smoothness_graph (AW.aliasingPreview);
AW.rangePreview = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_preview_size (GTK_PREVIEW (AW.rangePreview), 256, RANGE_HEIGHT);
gtk_box_pack_start(GTK_BOX(vbox),AW.rangePreview, TRUE, TRUE, 0);
gtk_widget_show (AW.rangePreview);
fp_range_preview_spill (AW.rangePreview, Current.ValueBy);
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_widget_show (labelTable);
gtk_table_attach (GTK_TABLE (table), labelTable, 0, 1, 1, 2,
GTK_EXPAND, 0, 0, 0);
for (i = 0; i < 12; i++)
{
label = Current.rangeLabels[i] = gtk_label_new ("-");
if (!(i % 4))
{
gtk_label_set_text (GTK_LABEL(label), gettext (rangeNames[i/4]));
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);
}
/************************************************************/
AW.aliasingGraph = gtk_drawing_area_new ();
gtk_widget_set_size_request (AW.aliasingGraph,
2 * MARGIN + 256,
RANGE_HEIGHT);
gtk_box_pack_start (GTK_BOX (vbox), AW.aliasingGraph, TRUE, TRUE, 0);
gtk_widget_show (AW.aliasingGraph);
gtk_widget_set_events (AW.aliasingGraph, RANGE_ADJUST_MASK);
g_signal_connect (AW.aliasingGraph, "event",
G_CALLBACK (FP_Range_Change_Events),
&Current);
/************************************************************/
smoothnessData = gtk_adjustment_new (Current.Alias, 0, 1.0, 0.05, 0.01, 0.0);
Current.aliasingScale = scale =
gtk_hscale_new (GTK_ADJUSTMENT (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_range_set_update_policy (GTK_RANGE (scale), 0);
gtk_table_attach (GTK_TABLE (table), scale, 0, 1, 2, 3,
0, 0, 0, 0);
gtk_widget_show (scale);
g_signal_connect (smoothnessData, "value_changed",
G_CALLBACK (fp_scale_update),
&Current.Alias);
/******************* MISC OPTIONS ***************************/
vbox = gtk_vbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (mainvbox), vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
Check_Button_In_A_Box (vbox, _("Preview as You Drag"),
GTK_SIGNAL_FUNC (As_You_Drag),
NULL, TRUE);
frame = gimp_frame_new (_("Preview Size"));
gtk_widget_show (frame);
smoothnessData = gtk_adjustment_new (Current.PreviewSize,
50, MAX_PREVIEW_SIZE,
5, 5, 0.0);
Current.previewSizeScale = scale =
gtk_hscale_new (GTK_ADJUSTMENT (smoothnessData));
gtk_container_add (GTK_CONTAINER (frame), scale);
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_range_set_update_policy (GTK_RANGE (scale), 0);
gtk_widget_show (scale);
g_signal_connect (smoothnessData, "value_changed",
G_CALLBACK (preview_size_scale_update),
&Current.PreviewSize);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
}
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 (GdkWindow *window,
GdkGC *border_gc,
GdkGC *fill_gc,
gint xpos)
{
gint i;
for (i = 0; i < RANGE_HEIGHT; i++)
gdk_draw_line (window, fill_gc, MARGIN + xpos-i/2, i, MARGIN + xpos+i/2,i);
gdk_draw_line (window, border_gc, MARGIN + xpos, 0,
MARGIN + xpos - (RANGE_HEIGHT - 1) / 2, RANGE_HEIGHT - 1);
gdk_draw_line (window, border_gc, MARGIN + xpos, 0,
MARGIN + xpos + (RANGE_HEIGHT - 1) / 2, RANGE_HEIGHT - 1);
gdk_draw_line (window, border_gc, MARGIN + xpos- (RANGE_HEIGHT - 1)/2,
RANGE_HEIGHT-1, MARGIN + xpos + (RANGE_HEIGHT-1)/2,
RANGE_HEIGHT - 1);
}
static void
draw_it (GtkWidget *widget)
{
draw_slider (AW.aliasingGraph->window,
AW.aliasingGraph->style->black_gc,
AW.aliasingGraph->style->dark_gc[GTK_STATE_NORMAL],
Current.Cutoffs[SHADOWS]);
draw_slider (AW.aliasingGraph->window,
AW.aliasingGraph->style->black_gc,
AW.aliasingGraph->style->dark_gc[GTK_STATE_NORMAL],
Current.Cutoffs[MIDTONES]);
draw_slider (AW.aliasingGraph->window,
AW.aliasingGraph->style->black_gc,
AW.aliasingGraph->style->dark_gc[GTK_STATE_SELECTED],
Current.Offset);
}
static gboolean
FP_Range_Change_Events (GtkWidget *widget,
GdkEvent *event,
FP_Params *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 - Current.Cutoffs[SHADOWS]);
mid = abs (bevent->x - Current.Cutoffs[MIDTONES]);
offset = abs (bevent->x - Current.Offset);
min = MIN (MIN (shad, mid), offset);
if (bevent->x >0 && bevent->x<256)
{
if (min == shad)
new = &Current.Cutoffs[SHADOWS];
else if (min == mid)
new = &Current.Cutoffs[MIDTONES];
else
new = &Current.Offset;
slider_erase (AW.aliasingGraph->window, *new);
*new = bevent->x;
}
draw_it (NULL);
if (Current.RealTime)
{
fp_range_preview_spill (AW.rangePreview, Current.ValueBy);
update_range_labels ();
fp_create_smoothness_graph (AW.aliasingPreview);
refreshPreviews (Current.VisibleFrames);
}
break;
case GDK_BUTTON_RELEASE:
if (!Current.RealTime)
{
fp_range_preview_spill (AW.rangePreview, Current.ValueBy);
update_range_labels ();
fp_create_smoothness_graph (AW.aliasingPreview);
refreshPreviews (Current.VisibleFrames);
}
break;
case GDK_MOTION_NOTIFY:
mevent = (GdkEventMotion *) event;
gdk_window_get_pointer (widget->window, &x, NULL, NULL);
if (x >= 0 && x < 256)
{
slider_erase (AW.aliasingGraph->window, *new);
*new = x;
draw_it (NULL);
if (Current.RealTime)
{
fp_range_preview_spill (AW.rangePreview, Current.ValueBy);
update_range_labels ();
fp_create_smoothness_graph (AW.aliasingPreview);
refreshPreviews (Current.VisibleFrames);
}
}
break;
default:
break;
}
return FALSE;
}
static void
update_range_labels (void)
{
gchar buffer[3];
gtk_label_set_text (GTK_LABEL(Current.rangeLabels[1]),"0");
g_snprintf (buffer, sizeof (buffer), "%d", Current.Cutoffs[SHADOWS]);
gtk_label_set_text (GTK_LABEL (Current.rangeLabels[3]), buffer);
gtk_label_set_text (GTK_LABEL (Current.rangeLabels[5]), buffer);
g_snprintf (buffer, sizeof (buffer), "%d", Current.Cutoffs[MIDTONES]);
gtk_label_set_text (GTK_LABEL (Current.rangeLabels[7]), buffer);
gtk_label_set_text (GTK_LABEL (Current.rangeLabels[9]), buffer);
gtk_label_set_text (GTK_LABEL(Current.rangeLabels[11]), "255");
}
static void
initializeFilterPacks (void)
{
gint i, j;
for (i = 0; i < 256; i++)
for (j = BY_HUE; j < JUDGE_BY; j++)
{
Current.redAdj [j][i] = 0;
Current.greenAdj [j][i] = 0;
Current.blueAdj [j][i] = 0;
Current.satAdj [j][i] = 0;
}
}
static void
resetFilterPacks (void)
{
initializeFilterPacks ();
refreshPreviews (Current.VisibleFrames);
}
static ReducedImage *
Reduce_The_Image (GimpDrawable *drawable,
GimpDrawable *mask,
gint LongerSize,
gint Slctn)
{
gint RH, RW, width, height, bytes=drawable->bpp;
ReducedImage *temp = (ReducedImage *) malloc (sizeof (ReducedImage));
guchar *tempRGB, *src_row, *tempmask, *src_mask_row, R, G, B;
gint i, j, whichcol, whichrow, x1, x2, y1, y2;
GimpPixelRgn srcPR, srcMask;
gboolean NoSelectionMade = TRUE;
gdouble *tempHSV;
GimpRGB rgb;
GimpHSV hsv;
gimp_drawable_mask_bounds (drawable->drawable_id, &x1, &y1, &x2, &y2);
width = x2 - x1;
height = y2 - y1;
if (width != drawable->width && height != drawable->height)
NoSelectionMade = FALSE;
if (Slctn == 0)
{
x1 = 0;
x2 = drawable->width;
y1 = 0;
y2 = drawable->height;
}
else if (Slctn == 2)
{
x1 = MAX (0, x1 - width / 2.0);
x2 = MIN (drawable->width, x2 + width / 2.0);
y1 = MAX (0, y1 - height / 2.0);
y2 = MIN (drawable->height, y2 + height / 2.0);
}
width = x2 - x1;
height = y2 - y1;
if (width > height)
{
RW = LongerSize;
RH = (gfloat) height * (gfloat) LongerSize / (gfloat) width;
}
else
{
RH = LongerSize;
RW = (gfloat) width * (gfloat) LongerSize / (gfloat) height;
}
tempRGB = (guchar *) malloc (RW * RH * bytes);
tempHSV = (gdouble *) malloc (RW * RH * bytes * sizeof (gdouble));
tempmask = (guchar *) malloc (RW * RH);
gimp_pixel_rgn_init (&srcPR, drawable, x1, y1, width, height, FALSE, FALSE);
gimp_pixel_rgn_init (&srcMask, mask, x1, y1, width, height, FALSE, FALSE);
src_row = (guchar *) malloc (width * bytes);
src_mask_row = (guchar *) malloc (width * bytes);
for (i = 0; i < RH; i++)
{
whichrow = (gfloat) i * (gfloat) height / (gfloat) RH;
gimp_pixel_rgn_get_row (&srcPR, src_row, x1, y1 + whichrow, width);
gimp_pixel_rgn_get_row (&srcMask, src_mask_row, x1, y1 + whichrow, width);
for (j = 0; j < RW; j++)
{
whichcol = (gfloat) j * (gfloat) width / (gfloat) RW;
if (NoSelectionMade)
tempmask[i * RW + j] = 255;
else
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];
}
}
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 changewhat,
gint changewhich)
{
guchar *a;
gint Inten, bytes = drawable->bpp;
gint i, j, k, nudge, M, m, middle,JudgeBy;
float partial;
gint RW = reduced->width;
gint RH = reduced->height;
gint backupP[3], P[3], tempSat[JUDGE_BY][256];
a =(guchar *) malloc(bytes*RW);
if (changewhat==SATURATION)
for (k=0; k<256; k++) {
for (JudgeBy=BY_HUE; JudgeBy<JUDGE_BY; JudgeBy++)
tempSat[JudgeBy][k]=0;
tempSat[Current.ValueBy][k] += changewhich*nudgeArray[(k+Current.Offset)%256];
}
for (i=0; i<RH; i++) {
for (j=0; j<RW; j++) {
backupP[0] = P[0] = (int) reduced->rgb[i*RW*bytes + j*bytes + 0];
backupP[1] = P[1] = (int) reduced->rgb[i*RW*bytes + j*bytes + 1];
backupP[2] = P[2] = (int) 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 (!Current.Touched[JudgeBy]) continue;
Inten = reduced->hsv[i*RW*bytes + j*bytes + JudgeBy]*255.0;
/*DO SATURATION FIRST*/
if (changewhat != NONEATALL) {
if (M!=m) {
for (k=0; k<3; k++)
if (backupP[k] == M)
P[k] = MAX(P[k]+partial*Current.satAdj[JudgeBy][Inten],middle);
else if (backupP[k] == m)
P[k] = MIN(P[k]-partial*Current.satAdj[JudgeBy][Inten],middle);
}
P[0] += partial*Current.redAdj[JudgeBy][Inten];
P[1] += partial*Current.greenAdj[JudgeBy][Inten];
P[2] += partial*Current.blueAdj[JudgeBy][Inten];
}
}
Inten = reduced->hsv[i*RW*bytes + j*bytes + Current.ValueBy]*255.0;
nudge = partial*nudgeArray[(Inten+Current.Offset)%256];
switch (changewhat) {
case HUE:
P[0] += colorSign[RED][changewhich] * nudge;
P[1] += colorSign[GREEN][changewhich] * nudge;
P[2] += colorSign[BLUE][changewhich] * nudge;
break;
case SATURATION:
for (JudgeBy=BY_HUE; JudgeBy<JUDGE_BY; JudgeBy++)
for (k=0; k<3; k++)
if (M!=m) {
if (backupP[k] == M)
P[k] = MAX(P[k]+
partial*tempSat[JudgeBy][Inten],middle);
else if (backupP[k] == m)
P[k] = MIN(P[k]-
partial*tempSat[JudgeBy][Inten],middle);
}
break;
case VALUE:
P[0] += changewhich * nudge;
P[1] += changewhich * nudge;
P[2] += changewhich * nudge;
break;
default:
break;
}
a[j * 3 + 0] = CLAMP0255(P[0]);
a[j * 3 + 1] = CLAMP0255(P[1]);
a[j * 3 + 2] = CLAMP0255(P[2]);
if (bytes == 4)
for (k = 0; k < 3; k++) {
float transp = reduced->rgb[i*RW*bytes+j*bytes+3]/255.0;
a[3*j+k]=transp*a[3*j+k]+(1-transp)*fp_fake_transparency(i,j);
}
}
gtk_preview_draw_row (GTK_PREVIEW (preview), a, 0, i, RW);
}
free (a);
gtk_widget_queue_draw (preview);
}
static void
Update_Current_FP (gint changewhat,
gint changewhich)
{
gint i;
for (i = 0; i < 256; i++)
{
gint nudge;
fp_Create_Nudge (nudgeArray);
nudge = nudgeArray[(i + Current.Offset) % 256];
switch (changewhat) {
case HUE:
Current.redAdj[Current.ValueBy][i] +=
colorSign[RED][changewhich] * nudge;
Current.greenAdj[Current.ValueBy][i] +=
colorSign[GREEN][changewhich] * nudge;
Current.blueAdj[Current.ValueBy][i] +=
colorSign[BLUE][changewhich] * nudge;
break;
case SATURATION:
Current.satAdj[Current.ValueBy][i] += changewhich * nudge;
break;
case VALUE:
Current.redAdj[Current.ValueBy][i] += changewhich * nudge;
Current.greenAdj[Current.ValueBy][i] += changewhich * nudge;
Current.blueAdj[Current.ValueBy][i] += changewhich * nudge;
break;
default:
break;
}
}
}
static void
fp_create_smoothness_graph (GtkWidget *preview)
{
guchar data[256 * 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 * j + 0] = 255;
data[3 * j + 1] = 255;
data[3 * j + 2] = 255;
if (!(i % (MAX_ROUGHNESS / 4))) {
data[3 * j + 0] = 255;
data[3 * j + 1] = 128;
data[3 * j + 2] = 128;
}
if (!((j + 1) % 32)) {
data[3 * j + 0] = 255;
data[3 * j + 1] = 128;
data[3 * 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 * j + 0] = 0;
data[3 * j + 1] = 0;
data[3 * j + 2] = 0;
}
}
gtk_preview_draw_row (GTK_PREVIEW (preview), data, 0, i, 256);
}
gtk_widget_queue_draw (preview);
}
static void
fp_range_preview_spill (GtkWidget *preview,
gint type)
{
gint i;
for (i = 0; i < RANGE_HEIGHT; i++)
{
gint j;
for (j = 0; j < 256; j++)
{
guchar data[256 * 3];
GimpRGB rgb;
GimpHSV hsv;
if (! ((j + 1) % 32))
{
data[3 * j + 0] = 255;
data[3 * j + 1] = 128;
data[3 * j + 2] = 128;
}
else
{
switch (type)
{
case BY_VAL:
data[3 * j + 0] = j - Current.Offset;
data[3 * j + 1] = j - Current.Offset;
data[3 * j + 2] = j - Current.Offset;
break;
case BY_HUE:
gimp_hsv_set (&hsv,
((j - Current.Offset + 256) % 256) / 255.0,
1.0,
0.5);
gimp_hsv_to_rgb (&hsv, &rgb);
gimp_rgb_get_uchar (&rgb,
&data[3 * j + 0],
&data[3 * j + 1],
&data[3 * j + 2]);
break;
case BY_SAT:
gimp_hsv_set (&hsv,
0.5,
((j-(gint)Current.Offset+256)%256) / 255.0,
0.5);
gimp_hsv_to_rgb (&hsv, &rgb);
gimp_rgb_get_uchar (&rgb,
&data[3 * j + 0],
&data[3 * j + 1],
&data[3 * j + 2]);
break;
}
gtk_preview_draw_row (GTK_PREVIEW (preview), data, 0, i, 256);
}
}
}
gtk_widget_queue_draw (preview);
}
static void
fp_Create_Nudge(gint *adjArray)
{
gint left, right, middle,i;
/* The following function was determined by trial and error */
gdouble Steepness = pow (1 - Current.Alias, 4) * .8;
left = (Current.Range == SHADOWS) ? 0 : Current.Cutoffs[Current.Range - 1];
right = Current.Cutoffs[Current.Range];
middle = (left + right)/2;
if (Current.Alias)
for (i = 0; i < 256; i++)
if (i <= middle)
adjArray[i] = MAX_ROUGHNESS *
Current.Rough * (1 + tanh (Steepness * (i - left))) / 2;
else
adjArray[i] = MAX_ROUGHNESS *
Current.Rough * (1 + tanh (Steepness * (right - i))) / 2;
else
for (i = 0; i < 256; i++)
adjArray[i] = (left <= i && i <= right)
? MAX_ROUGHNESS * Current.Rough : 0;
}
static gint
fp_fake_transparency (gint i, gint j)
{
return (((i % 20) - 10) * ((j % 20) - 10) > 0) ? 64 : 196;
}
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