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use gimp_preview_invalidate() where appropriate.

Browse source 
* plug-ins/common/cartoon.c: use gimp_preview_invalidate() where
  appropriate.

* plug-ins/common/photocopy.c: Added a preview.
This commit is contained in:
David Odin 2004-09-05 21:54:34 +00:00
parent 4bfbd2c5c3
commit d44e08aed7
3 changed files with 134 additions and 57 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2004-09-05 DindinX <david@dindinx.org>
* plug-ins/common/cartoon.c: use gimp_preview_invalidate() where
appropriate.
* plug-ins/common/photocopy.c: Added a preview.
2004-09-05 Sven Neumann <sven@gimp.org>
* configure.in: bumped version number to 2.1.5.

13
plug-ins/common/cartoon.c
View file

@ -60,7 +60,6 @@ static void run (const gchar *name,
static void cartoon (GimpDrawable *drawable,
GimpDrawablePreview *preview);
static gboolean cartoon_dialog (GimpDrawable *drawable);
static void preview_update (GtkWidget *widget);
static gdouble compute_ramp (guchar *dest1,
guchar *dest2,
@ -847,7 +846,7 @@ cartoon_dialog (GimpDrawable *drawable)
G_CALLBACK (gimp_double_adjustment_update),
&cvals.mask_radius);
g_signal_connect_swapped (scale_data, "value_changed",
G_CALLBACK (preview_update), preview);
G_CALLBACK (gimp_preview_invalidate), preview);
/* Label, scale, entry for cvals.amount */
scale_data = gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
@ -860,7 +859,7 @@ cartoon_dialog (GimpDrawable *drawable)
G_CALLBACK (gimp_double_adjustment_update),
&cvals.pct_black);
g_signal_connect_swapped (scale_data, "value_changed",
G_CALLBACK (preview_update), preview);
G_CALLBACK (gimp_preview_invalidate), preview);
gtk_widget_show (dlg);
@ -870,11 +869,3 @@ cartoon_dialog (GimpDrawable *drawable)
return run;
}
static void
preview_update (GtkWidget *widget)
{
GimpDrawablePreview *preview = GIMP_DRAWABLE_PREVIEW (widget);
cartoon (preview->drawable, preview);
}

171
plug-ins/common/photocopy.c
View file

@ -42,11 +42,12 @@
typedef struct
{
gdouble mask_radius;
gdouble sharpness;
gdouble threshold;
gdouble pct_black;
gdouble pct_white;
gdouble mask_radius;
gdouble sharpness;
gdouble threshold;
gdouble pct_black;
gdouble pct_white;
gboolean update_preview;
} PhotocopyVals;
@ -61,14 +62,15 @@ static void run (const gchar *name,
gint *nreturn_vals,
GimpParam **return_vals);
static void photocopy (GimpDrawable *drawable);
static gboolean photocopy_dialog (GimpDrawable *drawable);
static void photocopy (GimpDrawable *drawable,
GimpDrawablePreview *preview);
static gboolean photocopy_dialog (GimpDrawable *drawable);
static gdouble compute_ramp (guchar *dest1,
guchar *dest2,
gint length,
gdouble pct_black,
gint under_threshold);
static gdouble compute_ramp (guchar *dest1,
guchar *dest2,
gint length,
gdouble pct_black,
gint under_threshold);
/*
* Gaussian blur helper functions
@ -103,6 +105,7 @@ static PhotocopyVals pvals =
0.75, /* threshold */
0.2, /* pct_black */
0.2, /* pct_white */
TRUE /* update_preview */
};
@ -224,7 +227,7 @@ run (const gchar *name,
/* set the tile cache size */
gimp_tile_cache_ntiles (TILE_CACHE_SIZE);
photocopy (drawable);
photocopy (drawable, NULL);
if (run_mode != GIMP_RUN_NONINTERACTIVE)
gimp_displays_flush ();
@ -263,7 +266,8 @@ run (const gchar *name,
* pixel intensity = white
*/
static void
photocopy (GimpDrawable *drawable)
photocopy (GimpDrawable *drawable,
GimpDrawablePreview *preview)
{
GimpPixelRgn src_rgn, dest_rgn;
GimpPixelRgn *pr;
@ -297,11 +301,20 @@ photocopy (GimpDrawable *drawable)
gdouble std_dev2;
gdouble ramp_down;
gdouble ramp_up;
guchar *preview_buffer = NULL;
gimp_drawable_mask_bounds (drawable->drawable_id, &x1, &y1, &x2, &y2);
if (preview)
{
gimp_preview_get_position (GIMP_PREVIEW (preview), &x1, &y1);
gimp_preview_get_size (GIMP_PREVIEW (preview), &width, &height);
}
else
{
gimp_drawable_mask_bounds (drawable->drawable_id, &x1, &y1, &x2, &y2);
width = (x2 - x1);
height = (y2 - y1);
width = (x2 - x1);
height = (y2 - y1);
}
bytes = drawable->bpp;
has_alpha = gimp_drawable_has_alpha (drawable->drawable_id);
@ -317,7 +330,7 @@ photocopy (GimpDrawable *drawable)
max_progress = width * height * 3;
gimp_pixel_rgn_init (&src_rgn, drawable,
0, 0, drawable->width, drawable->height, FALSE, FALSE);
x1, y1, width, height, FALSE, FALSE);
for (pr = gimp_pixel_rgns_register (1, &src_rgn);
pr != NULL;
@ -347,8 +360,11 @@ photocopy (GimpDrawable *drawable)
dest_ptr += width;
}
progress += src_rgn.w * src_rgn.h;
gimp_progress_update ((gdouble) progress / (gdouble) max_progress);
if (!preview)
{
progress += src_rgn.w * src_rgn.h;
gimp_progress_update ((gdouble) progress / (gdouble) max_progress);
}
}
/* Calculate the standard deviations */
@ -422,9 +438,12 @@ photocopy (GimpDrawable *drawable)
transfer_pixels (val_p1, val_m1, dest1 + col, width, height);
transfer_pixels (val_p2, val_m2, dest2 + col, width, height);
progress += height;
if ((col % 5) == 0)
gimp_progress_update ((gdouble) progress / (gdouble) max_progress);
if (!preview)
{
progress += height;
if ((col % 5) == 0)
gimp_progress_update ((gdouble) progress / (gdouble) max_progress);
}
}
for (row = 0; row < height; row++)
@ -493,9 +512,12 @@ photocopy (GimpDrawable *drawable)
transfer_pixels (val_p1, val_m1, dest1 + row * width, 1, width);
transfer_pixels (val_p2, val_m2, dest2 + row * width, 1, width);
progress += width;
if ((row % 5) == 0)
gimp_progress_update ((gdouble) progress / (gdouble) max_progress);
if (!preview)
{
progress += width;
if ((row % 5) == 0)
gimp_progress_update ((gdouble) progress / (gdouble) max_progress);
}
}
/* Compute the ramp value which sets 'pct_black' % of the darkened pixels black */
@ -504,19 +526,35 @@ photocopy (GimpDrawable *drawable)
/* Initialize the pixel regions. */
gimp_pixel_rgn_init (&src_rgn, drawable, x1, y1, width, height, FALSE, FALSE);
gimp_pixel_rgn_init (&dest_rgn, drawable, x1, y1, width, height, TRUE, TRUE);
if (preview)
{
preview_buffer = g_new (guchar, width * height * bytes);
pr = gimp_pixel_rgns_register (1, &src_rgn);
}
else
{
gimp_pixel_rgn_init (&dest_rgn, drawable,
x1, y1, width, height,
TRUE, TRUE);
pr = gimp_pixel_rgns_register (2, &src_rgn, &dest_rgn);
}
for (pr = gimp_pixel_rgns_register (2, &src_rgn, &dest_rgn);
pr != NULL;
pr = gimp_pixel_rgns_process (pr))
while (pr)
{
guchar *src_ptr = src_rgn.data;
guchar *dest_ptr = dest_rgn.data;
guchar *dest_ptr;
guchar *blur_ptr = dest1 + (src_rgn.y - y1) * width + (src_rgn.x - x1);
guchar *avg_ptr = dest2 + (src_rgn.y - y1) * width + (src_rgn.x - x1);
gdouble diff, mult;
gdouble lightness = 0.0;
if (preview)
dest_ptr =
preview_buffer +
((src_rgn.y - y1) * width + (src_rgn.x - x1)) * bytes;
else
dest_ptr = dest_rgn.data;
for (row = 0; row < src_rgn.h; row++)
{
for (col = 0; col < src_rgn.w; col++)
@ -549,35 +587,51 @@ photocopy (GimpDrawable *drawable)
if (bytes < 3)
{
dest_ptr[col * dest_rgn.bpp] = (guchar) lightness;
dest_ptr[col * bytes] = (guchar) lightness;
if (has_alpha)
dest_ptr[col * dest_rgn.bpp + 1] = src_ptr[col * src_rgn.bpp + 1];
dest_ptr[col * bytes + 1] = src_ptr[col * src_rgn.bpp + 1];
}
else
{
dest_ptr[col * dest_rgn.bpp + 0] = lightness;
dest_ptr[col * dest_rgn.bpp + 1] = lightness;
dest_ptr[col * dest_rgn.bpp + 2] = lightness;
dest_ptr[col * bytes + 0] = lightness;
dest_ptr[col * bytes + 1] = lightness;
dest_ptr[col * bytes + 2] = lightness;
if (has_alpha)
dest_ptr[col * dest_rgn.bpp + 3] = src_ptr[col * src_rgn.bpp + 3];
dest_ptr[col * bytes + 3] = src_ptr[col * src_rgn.bpp + 3];
}
}
src_ptr += src_rgn.rowstride;
dest_ptr += dest_rgn.rowstride;
if (preview)
dest_ptr += width * bytes;
else
dest_ptr += dest_rgn.rowstride;
blur_ptr += width;
avg_ptr += width;
}
progress += src_rgn.w * src_rgn.h;
gimp_progress_update ((gdouble) progress / (gdouble) max_progress);
if (!preview)
{
progress += src_rgn.w * src_rgn.h;
gimp_progress_update ((gdouble) progress / (gdouble) max_progress);
}
pr = gimp_pixel_rgns_process (pr);
}
/* merge the shadow, update the drawable */
gimp_drawable_flush (drawable);
gimp_drawable_merge_shadow (drawable->drawable_id, TRUE);
gimp_drawable_update (drawable->drawable_id, x1, y1, (x2 - x1), (y2 - y1));
if (preview)
{
gimp_drawable_preview_draw (preview, preview_buffer);
g_free (preview_buffer);
}
else
{
/* merge the shadow, update the drawable */
gimp_drawable_flush (drawable);
gimp_drawable_merge_shadow (drawable->drawable_id, TRUE);
gimp_drawable_update (drawable->drawable_id, x1, y1, width, height);
}
/* free up buffers */
g_free (val_p1);
@ -784,6 +838,9 @@ static gboolean
photocopy_dialog (GimpDrawable *drawable)
{
GtkWidget *dlg;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *preview;
GtkWidget *table;
GtkObject *scale_data;
gint run;
@ -799,11 +856,25 @@ photocopy_dialog (GimpDrawable *drawable)
NULL);
vbox = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dlg)->vbox), vbox);
gtk_widget_show (vbox);
hbox = gtk_hbox_new (FALSE, 12);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
preview = gimp_drawable_preview_new (drawable, &pvals.update_preview);
gtk_box_pack_start (GTK_BOX (hbox), preview, FALSE, FALSE, 0);
gtk_widget_show (preview);
g_signal_connect_swapped (preview, "invalidated",
G_CALLBACK (photocopy), drawable);
table = gtk_table_new (4, 3, 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 (GTK_DIALOG (dlg)->vbox), table);
gtk_container_add (GTK_CONTAINER (vbox), table);
gtk_widget_show (table);
/* Label, scale, entry for pvals.amount */
@ -816,6 +887,8 @@ photocopy_dialog (GimpDrawable *drawable)
g_signal_connect (scale_data, "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&pvals.mask_radius);
g_signal_connect_swapped (scale_data, "value_changed",
G_CALLBACK (gimp_preview_invalidate), preview);
/* Label, scale, entry for pvals.amount */
scale_data = gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
@ -827,6 +900,8 @@ photocopy_dialog (GimpDrawable *drawable)
g_signal_connect (scale_data, "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&pvals.sharpness);
g_signal_connect_swapped (scale_data, "value_changed",
G_CALLBACK (gimp_preview_invalidate), preview);
/* Label, scale, entry for pvals.amount */
scale_data = gimp_scale_entry_new (GTK_TABLE (table), 0, 2,
@ -838,6 +913,8 @@ photocopy_dialog (GimpDrawable *drawable)
g_signal_connect (scale_data, "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&pvals.pct_black);
g_signal_connect_swapped (scale_data, "value_changed",
G_CALLBACK (gimp_preview_invalidate), preview);
/* Label, scale, entry for pvals.amount */
scale_data = gimp_scale_entry_new (GTK_TABLE (table), 0, 3,
@ -849,6 +926,8 @@ photocopy_dialog (GimpDrawable *drawable)
g_signal_connect (scale_data, "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&pvals.pct_white);
g_signal_connect_swapped (scale_data, "value_changed",
G_CALLBACK (gimp_preview_invalidate), preview);
gtk_widget_show (dlg);