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Added a slider to control the pressure.

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--Sven
This commit is contained in:
Sven Neumann
1999-05-09 21:50:33 +00:00
parent 6e3bf14f82
commit d62e0c7def
2 changed files with 45 additions and 22 deletions
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61
modules/colorsel_water.c
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@ -49,11 +49,11 @@ static GimpColorSelectorMethods methods =
static GimpModuleInfo info = {
NULL,
"Watercolor style color selector as a pluggable colour selector",
"Watercolor style color selector as a pluggable module",
"Raph Levien <raph@acm.org>, Sven Neumann <sven@gimp.org>",
"v0.2",
"v0.3",
"(c) 1998-1999, released under the GPL",
"May, 08 1999"
"May, 09 1999"
};
@ -105,6 +105,7 @@ typedef struct {
static gdouble bucket[N_BUCKETS + 1][3];
static GtkWidget *color_preview[N_BUCKETS + 1];
static gdouble last_x, last_y, last_pressure;
static gfloat pressure_adjust = 100.0;
static guint32 motion_time;
static gint button_state;
static ColorselWater *coldata;
@ -266,7 +267,6 @@ select_area_draw (GtkWidget *preview)
g += dg;
b += db;
}
gtk_preview_draw_row (GTK_PREVIEW (preview), buf, 0, y, IMAGE_SIZE);
}
}
@ -277,10 +277,12 @@ add_pigment (gboolean erase, gdouble x, gdouble y, gdouble much)
{
gdouble r, g, b;
much *= (gdouble)pressure_adjust / 100.0;
#ifdef VERBOSE
g_print ("x: %g, y: %g, much: %g\n",
x, y, much);
g_print ("x: %g, y: %g, much: %g\n", x, y, much);
#endif
if (erase)
{
bucket[0][0] = 1 - (1 - bucket[0][0]) * (1 - much);
@ -371,12 +373,13 @@ motion_notify_event (GtkWidget *widget, GdkEventMotion *event)
int i;
gboolean erase;
if (event->state & (GDK_BUTTON1_MASK | GDK_BUTTON3_MASK | GDK_BUTTON4_MASK))
if (event->state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK | GDK_BUTTON4_MASK))
{
coords = gdk_input_motion_events (event->window, event->deviceid,
motion_time, event->time,
&nevents);
erase = (event->state & (GDK_BUTTON3_MASK | GDK_BUTTON4_MASK)) ||
erase = (event->state &
(GDK_BUTTON2_MASK | GDK_BUTTON3_MASK | GDK_BUTTON4_MASK)) ||
(event->source == GDK_SOURCE_ERASER);
motion_time = event->time;
if (coords)
@ -402,7 +405,6 @@ motion_notify_event (GtkWidget *widget, GdkEventMotion *event)
NULL, NULL, NULL, NULL);
}
return TRUE;
}
@ -416,7 +418,7 @@ proximity_out_event (GtkWidget *widget, GdkEventProximity *event)
}
static void
new_color_callback (GtkWidget *widget, gpointer *data)
new_color_callback (GtkWidget *widget, gpointer data)
{
#ifdef VERBOSE
g_print ("new color\n");
@ -435,7 +437,7 @@ new_color_callback (GtkWidget *widget, gpointer *data)
}
static void
reset_color_callback (GtkWidget *widget, gpointer *data)
reset_color_callback (GtkWidget *widget, gpointer data)
{
#ifdef VERBOSE
g_print ("reset color\n");
@ -451,6 +453,12 @@ reset_color_callback (GtkWidget *widget, gpointer *data)
return;
}
static void
pressure_adjust_update (GtkAdjustment *adj, gpointer data)
{
pressure_adjust = adj->value;
}
/*************************************************************/
/* methods */
@ -475,6 +483,9 @@ colorsel_water_new (int r, int g, int b,
GtkWidget *table;
GtkWidget *button;
GtkWidget *bbox;
GtkWidget *label;
GtkObject *adj;
GtkWidget *scale;
guint i;
coldata = g_malloc (sizeof (ColorselWater));
@ -486,7 +497,7 @@ colorsel_water_new (int r, int g, int b,
vbox = gtk_vbox_new (FALSE, 0);
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 8);
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 4);
/* the event box */
frame = gtk_frame_new (NULL);
@ -528,19 +539,18 @@ colorsel_water_new (int r, int g, int b,
gtk_box_pack_end (GTK_BOX (hbox), vbox2, TRUE, FALSE, 0);
hbox2 = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox2), hbox2, TRUE, FALSE, 8);
gtk_box_pack_start (GTK_BOX (vbox2), hbox2, TRUE, FALSE, 4);
vbox3 = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox2), vbox3, FALSE, FALSE, 8);
gtk_box_pack_start (GTK_BOX (hbox2), vbox3, FALSE, FALSE, 4);
hbox3 = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox3), hbox3, FALSE, FALSE, 8);
gtk_box_pack_start (GTK_BOX (vbox3), hbox3, FALSE, FALSE, 4);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (hbox3), frame, TRUE, FALSE, 0);
color_preview[0] = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_preview_size (GTK_PREVIEW (color_preview[0]), PREVIEW_SIZE, PREVIEW_SIZE);
gtk_container_add (GTK_CONTAINER (frame), color_preview[0]);
gtk_widget_show_all (vbox3);
bbox = gtk_vbutton_box_new ();
gtk_box_pack_end (GTK_BOX (hbox2), bbox, FALSE, FALSE, 0);
@ -556,13 +566,11 @@ colorsel_water_new (int r, int g, int b,
(GtkSignalFunc) reset_color_callback,
NULL);
gtk_widget_show_all (hbox2);
frame = gtk_frame_new ("Color history");
gtk_box_pack_start (GTK_BOX (vbox2), frame, TRUE, FALSE, 0);
table = gtk_table_new (2, 5, TRUE);
gtk_container_set_border_width (GTK_CONTAINER (table), 4);
gtk_container_set_border_width (GTK_CONTAINER (table), 2);
gtk_container_add (GTK_CONTAINER (frame), table);
for (i = 0; i < N_BUCKETS; i++)
@ -579,12 +587,21 @@ colorsel_water_new (int r, int g, int b,
color_preview[i+1] = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_preview_size (GTK_PREVIEW (color_preview[i+1]), BUCKET_SIZE, BUCKET_SIZE);
gtk_container_add (GTK_CONTAINER (button), color_preview[i+1]);
gtk_widget_show (preview);
gtk_widget_show (button);
set_bucket (i+1, 1.0, 1.0, 1.0);
}
gtk_widget_show_all (vbox2);
hbox2 = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox2), hbox2, TRUE, FALSE, 0);
label = gtk_label_new ("Pressure:");
gtk_box_pack_start (GTK_BOX (hbox2), label, FALSE, FALSE, 0);
adj = gtk_adjustment_new (100.0, 0.0, 200.0, 1.0, 1.0, 0.0);
gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
GTK_SIGNAL_FUNC (pressure_adjust_update), NULL);
scale = gtk_hscale_new (GTK_ADJUSTMENT (adj));
gtk_scale_set_digits (GTK_SCALE (scale), 0);
gtk_box_pack_start (GTK_BOX (vbox2), scale, TRUE, TRUE, 0);
gtk_widget_show_all (hbox);
colorsel_water_setcolor (coldata, r, g, b, 0);