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New ScriptFu argument type SF-ADJUSTMENT: You can have sliders and

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spin-buttons in the dialog. Documented in the new script (test-sphere.scm)


--Sven
This commit is contained in:
Sven Neumann
1998-08-06 14:58:39 +00:00
parent ecfa2b8362
commit 921aeb82c0
7 changed files with 319 additions and 18 deletions
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10
ChangeLog
View File

@ -1,3 +1,13 @@
Thu Aug 6 16:55:45 MEST 1998 Sven Neumann <sven@gimp.org>:
* plug-ins/script-fu/script-fu-enums.h
* plug-ins/script-fu/script-fu.c
* plug-ins/script-fu/script-fu-scripts.c: New ScriptFu argument type
SF-ADJUSTMENT: You can have sliders and spin-buttons in the dialog.
* plug-ins/script-fu/scripts/test-sphere.scm: Simple script to show
and test the new interface.
Wed Aug 5 16:29:05 PDT 1998 Manish Singh <yosh@gimp.org>
* initial merge of the internationalization stuff. It's still

15
plug-ins/script-fu/script-fu-enums.h
View File

@ -30,7 +30,20 @@ typedef enum
SF_COLOR,
SF_TOGGLE,
SF_VALUE,
SF_STRING
SF_STRING,
SF_ADJUSTMENT
} SFArgType;
typedef enum
{
SF_SLIDER = 0,
SF_SPINNER
} SFAdjustmentType;
#endif /* __SCRIPT_FU_ENUMS__ */

103
plug-ins/script-fu/script-fu-interface.c
View File

@ -31,6 +31,9 @@
#define TEXT_HEIGHT 25
#define COLOR_SAMPLE_WIDTH 100
#define COLOR_SAMPLE_HEIGHT 15
#define SLIDER_WIDTH 100
#define SLIDER_HEIGHT 30
#define SPINNER_WIDTH 75
#define MAX_STRING_LENGTH 4096
@ -42,6 +45,18 @@ typedef struct
gdouble old_color[3];
} SFColor;
typedef struct
{
GtkAdjustment *adj;
gfloat value;
gfloat lower;
gfloat upper;
gfloat step;
gfloat page;
gint digits;
SFAdjustmentType type;
} SFAdjustment;
typedef union
{
gint32 sfa_image;
@ -52,6 +67,7 @@ typedef union
gint32 sfa_toggle;
gchar * sfa_value;
gchar * sfa_string;
SFAdjustment sfa_adjustment;
} SFArgValue;
typedef struct
@ -279,6 +295,7 @@ script_fu_add_script (LISP a)
int i;
gdouble color[3];
LISP color_list;
LISP adj_list;
gchar *menu_path = NULL;
/* Check the length of a */
@ -461,6 +478,31 @@ script_fu_add_script (LISP a)
args[i + 1].description = script->arg_labels[i];
break;
case SF_ADJUSTMENT:
if (!TYPEP (car (a), tc_cons))
return my_err ("script-fu-register: adjustment defaults must be a list", NIL);
adj_list = car (a);
script->arg_defaults[i].sfa_adjustment.value = get_c_double (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.lower = get_c_double (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.upper = get_c_double (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.step = get_c_double (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.page = get_c_double (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.digits = get_c_long (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.type = get_c_long (car (adj_list));
script->arg_values[i].sfa_adjustment.adj = NULL;
script->arg_values[i].sfa_adjustment.value = script->arg_defaults[i].sfa_adjustment.value;
args[i + 1].type = PARAM_STRING;
args[i + 1].name = "value";
args[i + 1].description = script->arg_labels[i];
break;
default:
break;
}
@ -603,6 +645,9 @@ script_fu_script_proc (char *name,
case SF_STRING:
length += strlen (params[i + 1].data.d_string) + 3;
break;
case SF_ADJUSTMENT:
length += strlen (params[i + 1].data.d_string) + 1;
break;
default:
break;
}
@ -642,6 +687,9 @@ script_fu_script_proc (char *name,
g_snprintf (buffer, MAX_STRING_LENGTH, "\"%s\"", params[i + 1].data.d_string);
text = buffer;
break;
case SF_ADJUSTMENT:
text = params[i + 1].data.d_string;
break;
default:
break;
}
@ -730,6 +778,8 @@ script_fu_free_script (SFScript *script)
case SF_STRING:
g_free (script->arg_defaults[i].sfa_string);
break;
case SF_ADJUSTMENT:
break;
default:
break;
}
@ -934,6 +984,40 @@ script_fu_interface (SFScript *script)
gtk_entry_set_text (GTK_ENTRY (script->args_widgets[i]),
script->arg_defaults[i].sfa_string);
break;
case SF_ADJUSTMENT:
script->arg_values[i].sfa_adjustment.adj =
(GtkAdjustment *) gtk_adjustment_new (script->arg_values[i].sfa_adjustment.value,
script->arg_defaults[i].sfa_adjustment.lower,
script->arg_defaults[i].sfa_adjustment.upper,
script->arg_defaults[i].sfa_adjustment.step,
script->arg_defaults[i].sfa_adjustment.page, 0);
switch (script->arg_defaults[i].sfa_adjustment.type)
{
case SF_SLIDER:
script->args_widgets[i] = gtk_hscale_new (script->arg_values[i].sfa_adjustment.adj);
gtk_widget_set_usize (GTK_WIDGET (script->args_widgets[i]),
SLIDER_WIDTH, SLIDER_HEIGHT);
gtk_scale_set_digits (GTK_SCALE (script->args_widgets[i]),
script->arg_defaults[i].sfa_adjustment.digits);
gtk_scale_set_draw_value (GTK_SCALE (script->args_widgets[i]), TRUE);
gtk_range_set_update_policy (GTK_RANGE (script->args_widgets[i]),
GTK_UPDATE_DELAYED);
break;
case SF_SPINNER:
script->args_widgets[i] = gtk_spin_button_new (script->arg_values[i].sfa_adjustment.adj, 0, 0);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (script->args_widgets[i]), TRUE);
gtk_widget_set_usize (script->args_widgets[i], SPINNER_WIDTH, 0);
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (script->args_widgets[i]),
script->arg_defaults[i].sfa_adjustment.digits);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (script->args_widgets[i]), TRUE);
break;
default: /* this shouldn't happen */
script->args_widgets[i] = NULL;
break;
}
break;
default:
break;
}
@ -1069,6 +1153,9 @@ script_fu_ok_callback (GtkWidget *widget,
case SF_STRING:
length += strlen (gtk_entry_get_text (GTK_ENTRY (script->args_widgets[i]))) + 3;
break;
case SF_ADJUSTMENT:
length += 24; /* Maximum size of float value should not exceed this many characters */
break;
default:
break;
}
@ -1107,6 +1194,22 @@ script_fu_ok_callback (GtkWidget *widget,
g_snprintf (buffer, MAX_STRING_LENGTH, "\"%s\"", text);
text = buffer;
break;
case SF_ADJUSTMENT:
switch (script->arg_defaults[i].sfa_adjustment.type)
{
case SF_SLIDER:
g_snprintf (buffer, 24, "%f", script->arg_values[i].sfa_adjustment.adj->value);
text = buffer;
break;
case SF_SPINNER:
g_snprintf (buffer, 24, "%f",
gtk_spin_button_get_value_as_float (GTK_SPIN_BUTTON (script->args_widgets[i])));
text = buffer;
break;
default:
break;
}
break;
default:
break;
}

103
plug-ins/script-fu/script-fu-scripts.c
View File

@ -31,6 +31,9 @@
#define TEXT_HEIGHT 25
#define COLOR_SAMPLE_WIDTH 100
#define COLOR_SAMPLE_HEIGHT 15
#define SLIDER_WIDTH 100
#define SLIDER_HEIGHT 30
#define SPINNER_WIDTH 75
#define MAX_STRING_LENGTH 4096
@ -42,6 +45,18 @@ typedef struct
gdouble old_color[3];
} SFColor;
typedef struct
{
GtkAdjustment *adj;
gfloat value;
gfloat lower;
gfloat upper;
gfloat step;
gfloat page;
gint digits;
SFAdjustmentType type;
} SFAdjustment;
typedef union
{
gint32 sfa_image;
@ -52,6 +67,7 @@ typedef union
gint32 sfa_toggle;
gchar * sfa_value;
gchar * sfa_string;
SFAdjustment sfa_adjustment;
} SFArgValue;
typedef struct
@ -279,6 +295,7 @@ script_fu_add_script (LISP a)
int i;
gdouble color[3];
LISP color_list;
LISP adj_list;
gchar *menu_path = NULL;
/* Check the length of a */
@ -461,6 +478,31 @@ script_fu_add_script (LISP a)
args[i + 1].description = script->arg_labels[i];
break;
case SF_ADJUSTMENT:
if (!TYPEP (car (a), tc_cons))
return my_err ("script-fu-register: adjustment defaults must be a list", NIL);
adj_list = car (a);
script->arg_defaults[i].sfa_adjustment.value = get_c_double (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.lower = get_c_double (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.upper = get_c_double (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.step = get_c_double (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.page = get_c_double (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.digits = get_c_long (car (adj_list));
adj_list = cdr (adj_list);
script->arg_defaults[i].sfa_adjustment.type = get_c_long (car (adj_list));
script->arg_values[i].sfa_adjustment.adj = NULL;
script->arg_values[i].sfa_adjustment.value = script->arg_defaults[i].sfa_adjustment.value;
args[i + 1].type = PARAM_STRING;
args[i + 1].name = "value";
args[i + 1].description = script->arg_labels[i];
break;
default:
break;
}
@ -603,6 +645,9 @@ script_fu_script_proc (char *name,
case SF_STRING:
length += strlen (params[i + 1].data.d_string) + 3;
break;
case SF_ADJUSTMENT:
length += strlen (params[i + 1].data.d_string) + 1;
break;
default:
break;
}
@ -642,6 +687,9 @@ script_fu_script_proc (char *name,
g_snprintf (buffer, MAX_STRING_LENGTH, "\"%s\"", params[i + 1].data.d_string);
text = buffer;
break;
case SF_ADJUSTMENT:
text = params[i + 1].data.d_string;
break;
default:
break;
}
@ -730,6 +778,8 @@ script_fu_free_script (SFScript *script)
case SF_STRING:
g_free (script->arg_defaults[i].sfa_string);
break;
case SF_ADJUSTMENT:
break;
default:
break;
}
@ -934,6 +984,40 @@ script_fu_interface (SFScript *script)
gtk_entry_set_text (GTK_ENTRY (script->args_widgets[i]),
script->arg_defaults[i].sfa_string);
break;
case SF_ADJUSTMENT:
script->arg_values[i].sfa_adjustment.adj =
(GtkAdjustment *) gtk_adjustment_new (script->arg_values[i].sfa_adjustment.value,
script->arg_defaults[i].sfa_adjustment.lower,
script->arg_defaults[i].sfa_adjustment.upper,
script->arg_defaults[i].sfa_adjustment.step,
script->arg_defaults[i].sfa_adjustment.page, 0);
switch (script->arg_defaults[i].sfa_adjustment.type)
{
case SF_SLIDER:
script->args_widgets[i] = gtk_hscale_new (script->arg_values[i].sfa_adjustment.adj);
gtk_widget_set_usize (GTK_WIDGET (script->args_widgets[i]),
SLIDER_WIDTH, SLIDER_HEIGHT);
gtk_scale_set_digits (GTK_SCALE (script->args_widgets[i]),
script->arg_defaults[i].sfa_adjustment.digits);
gtk_scale_set_draw_value (GTK_SCALE (script->args_widgets[i]), TRUE);
gtk_range_set_update_policy (GTK_RANGE (script->args_widgets[i]),
GTK_UPDATE_DELAYED);
break;
case SF_SPINNER:
script->args_widgets[i] = gtk_spin_button_new (script->arg_values[i].sfa_adjustment.adj, 0, 0);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (script->args_widgets[i]), TRUE);
gtk_widget_set_usize (script->args_widgets[i], SPINNER_WIDTH, 0);
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (script->args_widgets[i]),
script->arg_defaults[i].sfa_adjustment.digits);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (script->args_widgets[i]), TRUE);
break;
default: /* this shouldn't happen */
script->args_widgets[i] = NULL;
break;
}
break;
default:
break;
}
@ -1069,6 +1153,9 @@ script_fu_ok_callback (GtkWidget *widget,
case SF_STRING:
length += strlen (gtk_entry_get_text (GTK_ENTRY (script->args_widgets[i]))) + 3;
break;
case SF_ADJUSTMENT:
length += 24; /* Maximum size of float value should not exceed this many characters */
break;
default:
break;
}
@ -1107,6 +1194,22 @@ script_fu_ok_callback (GtkWidget *widget,
g_snprintf (buffer, MAX_STRING_LENGTH, "\"%s\"", text);
text = buffer;
break;
case SF_ADJUSTMENT:
switch (script->arg_defaults[i].sfa_adjustment.type)
{
case SF_SLIDER:
g_snprintf (buffer, 24, "%f", script->arg_values[i].sfa_adjustment.adj->value);
text = buffer;
break;
case SF_SPINNER:
g_snprintf (buffer, 24, "%f",
gtk_spin_button_get_value_as_float (GTK_SPIN_BUTTON (script->args_widgets[i])));
text = buffer;
break;
default:
break;
}
break;
default:
break;
}

5
plug-ins/script-fu/script-fu.c
View File

@ -447,6 +447,11 @@ init_constants ()
setvar (cintern ("SF-TOGGLE"), flocons (SF_TOGGLE), NIL);
setvar (cintern ("SF-VALUE"), flocons (SF_VALUE), NIL);
setvar (cintern ("SF-STRING"), flocons (SF_STRING), NIL);
setvar (cintern ("SF-ADJUSTMENT"), flocons (SF_ADJUSTMENT), NIL);
/* for SF_ADJUSTMENT */
setvar (cintern ("SF-SLIDER"), flocons (SF_SLIDER), NIL);
setvar (cintern ("SF-SPINNER"), flocons (SF_SPINNER), NIL);
}
static void

3
plug-ins/script-fu/scripts/Makefile.am
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@ -95,7 +95,8 @@ scriptdata_DATA = \
unsharp-mask.scm \
waves-anim.scm \
weave.scm \
xach-effect.scm
xach-effect.scm \
test-sphere.scm
EXTRA_DATA =
EXTRA_DIST = $(scriptdata_DATA)

66
plug-ins/script-fu/scripts/test-sphere.scm Normal file
View File

@ -0,0 +1,66 @@
; This is a slightly modified copy of the sphere script to show and test
; the possibilities of the new Script-Fu API extensions.
;
; SF-ADJUSTMENT is only useful in interactive mode, if you call a script from
; the console, it acts just like a normal SF-VALUE
; In interactive mode it creates an adjustment widget in the dialog.
;
; Usage:
; SF-ADJUSTMENT "label" '(value, lower, upper, step_inc, page_inc, digits, type)
;
; type is one of: SLIDER(0), SPINNER(1)
;
(define (script-fu-test-sphere radius light shadow bg-color sphere-color)
(let* ((width (* radius 3.75))
(height (* radius 2.5))
(img (car (gimp-image-new width height RGB)))
(drawable (car (gimp-layer-new img width height RGB_IMAGE "Sphere Layer" 100 NORMAL)))
(radians (/ (* light *pi*) 180))
(cx (/ width 2))
(cy (/ height 2))
(light-x (+ cx (* radius (* 0.6 (cos radians)))))
(light-y (- cy (* radius (* 0.6 (sin radians)))))
(light-end-x (+ cx (* radius (cos (+ *pi* radians)))))
(light-end-y (- cy (* radius (sin (+ *pi* radians)))))
(offset (* radius 0.1))
(old-fg (car (gimp-palette-get-foreground)))
(old-bg (car (gimp-palette-get-background))))
(gimp-image-disable-undo img)
(gimp-image-add-layer img drawable 0)
(gimp-palette-set-foreground sphere-color)
(gimp-palette-set-background bg-color)
(gimp-edit-fill img drawable)
(gimp-palette-set-background '(20 20 20))
(if (and
(or (and (>= light 45) (<= light 75)) (and (<= light 135) (>= light 105)))
(= shadow TRUE))
(let ((shadow-w (* (* radius 2.5) (cos (+ *pi* radians))))
(shadow-h (* radius 0.5))
(shadow-x cx)
(shadow-y (+ cy (* radius 0.65))))
(if (< shadow-w 0)
(prog1 (set! shadow-x (+ cx shadow-w))
(set! shadow-w (- shadow-w))))
(gimp-ellipse-select img shadow-x shadow-y shadow-w shadow-h REPLACE TRUE TRUE 7.5)
(gimp-bucket-fill img drawable BG-BUCKET-FILL MULTIPLY 100 0 FALSE 0 0)))
(gimp-ellipse-select img (- cx radius) (- cy radius) (* 2 radius) (* 2 radius) REPLACE TRUE FALSE 0)
(gimp-blend img drawable FG-BG-RGB NORMAL RADIAL 100 offset REPEAT-NONE
FALSE 0 0 light-x light-y light-end-x light-end-y)
(gimp-selection-none img)
(gimp-palette-set-background old-bg)
(gimp-palette-set-foreground old-fg)
(gimp-image-enable-undo img)
(gimp-display-new img)))
(script-fu-register "script-fu-test-sphere"
"<Toolbox>/Xtns/Script-Fu/Test/Sphere"
"Simple spheres with drop shadows"
"Spencer Kimball"
"Spencer Kimball"
"1996"
""
SF-ADJUSTMENT "Radius (in pixels)" '(100 1 5000 1 10 0 1)
SF-ADJUSTMENT "Lighting (degrees)" '(45 0 360 1 10 1 0)
SF-TOGGLE "Shadow" TRUE
SF-COLOR "Background Color" '(255 255 255)
SF-COLOR "Sphere Color" '(255 0 0))