added a preview.

* plug-ins/common/pixelize.c: added a preview.
This commit is contained in:
David Odin 2005-02-09 19:50:20 +00:00
parent 8d020f42f7
commit a2a114d2a7
2 changed files with 278 additions and 212 deletions

View file

@ -1,3 +1,7 @@
2005-02-09 DindinX <dindinx@gimp.org>
* plug-ins/common/pixelize.c: added a preview.
2005-02-09 Sven Neumann <neumann@jpk.com>
* plug-ins/uri/uri-backend-wget.c: marked strings for translation.

View file

@ -105,11 +105,15 @@ static void run (const gchar *name,
GimpParam **return_vals);
static gboolean pixelize_dialog (GimpDrawable *drawable);
static void update_pixelsize (GimpSizeEntry *sizeentry,
GimpPreview *preview);
static void pixelize (GimpDrawable *drawable);
static void pixelize (GimpDrawable *drawable,
GimpPreview *preview);
static void pixelize_large (GimpDrawable *drawable,
gint pixelwidth,
gint pixelheight);
gint pixelheight,
GimpPreview *preview);
static void pixelize_small (GimpDrawable *drawable,
gint pixelwidth,
gint pixelheight,
@ -124,10 +128,10 @@ static void pixelize_sub (gint pixelwidth,
GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run /* run_proc */
run /* run_proc */
};
static PixelizeValues pvals =
@ -163,34 +167,34 @@ query (void)
};
gimp_install_procedure ("plug_in_pixelize",
"Pixelize the contents of the specified drawable",
"Pixelize the contents of the specified drawable "
"Pixelize the contents of the specified drawable",
"Pixelize the contents of the specified drawable "
"with speficied pixelizing width.",
"Spencer Kimball & Peter Mattis, Tracy Scott, "
"Spencer Kimball & Peter Mattis, Tracy Scott, "
"(ported to 1.0 by) Eiichi Takamori",
"Spencer Kimball & Peter Mattis, Tracy Scott",
"1995",
N_("_Pixelize..."),
"RGB*, GRAY*",
GIMP_PLUGIN,
G_N_ELEMENTS (pixelize_args), 0,
pixelize_args, NULL);
"Spencer Kimball & Peter Mattis, Tracy Scott",
"1995",
N_("_Pixelize..."),
"RGB*, GRAY*",
GIMP_PLUGIN,
G_N_ELEMENTS (pixelize_args), 0,
pixelize_args, NULL);
gimp_plugin_menu_register ("plug_in_pixelize", "<Image>/Filters/Blur");
gimp_install_procedure ("plug_in_pixelize2",
"Pixelize the contents of the specified drawable",
"Pixelize the contents of the specified drawable "
"Pixelize the contents of the specified drawable",
"Pixelize the contents of the specified drawable "
"with speficied pixelizing width.",
"Spencer Kimball & Peter Mattis, Tracy Scott, "
"Spencer Kimball & Peter Mattis, Tracy Scott, "
"(ported to 1.0 by) Eiichi Takamori",
"Spencer Kimball & Peter Mattis, Tracy Scott",
"2001",
NULL,
"RGB*, GRAY*",
GIMP_PLUGIN,
G_N_ELEMENTS (pixelize2_args), 0,
pixelize2_args, NULL);
"Spencer Kimball & Peter Mattis, Tracy Scott",
"2001",
NULL,
"RGB*, GRAY*",
GIMP_PLUGIN,
G_N_ELEMENTS (pixelize2_args), 0,
pixelize2_args, NULL);
}
static void
@ -226,10 +230,10 @@ run (const gchar *name,
/* First acquire information with a dialog */
if (! pixelize_dialog (drawable))
{
gimp_drawable_detach (drawable);
return;
}
{
gimp_drawable_detach (drawable);
return;
}
break;
case GIMP_RUN_NONINTERACTIVE:
@ -241,17 +245,17 @@ run (const gchar *name,
}
if (status == GIMP_PDB_SUCCESS)
{
pvals.pixelwidth = (gdouble) param[3].data.d_int32;
{
pvals.pixelwidth = (gdouble) param[3].data.d_int32;
if (nparams == 4)
pvals.pixelheight = pvals.pixelwidth;
else
pvals.pixelheight = (gdouble) param[4].data.d_int32;
}
}
if ((status == GIMP_PDB_SUCCESS) &&
(pvals.pixelwidth <= 0 || pvals.pixelheight <= 0))
(pvals.pixelwidth <= 0 || pvals.pixelheight <= 0))
{
status = GIMP_PDB_CALLING_ERROR;
}
@ -270,28 +274,28 @@ run (const gchar *name,
{
/* Make sure that the drawable is gray or RGB color */
if (gimp_drawable_is_rgb (drawable->drawable_id) ||
gimp_drawable_is_gray (drawable->drawable_id))
{
gimp_progress_init (_("Pixelizing..."));
gimp_drawable_is_gray (drawable->drawable_id))
{
gimp_progress_init (_("Pixelizing..."));
/* set the tile cache size */
gimp_tile_cache_ntiles (TILE_CACHE_SIZE);
/* set the tile cache size */
gimp_tile_cache_ntiles (TILE_CACHE_SIZE);
/* run the pixelize effect */
pixelize (drawable);
/* run the pixelize effect */
pixelize (drawable, NULL);
if (run_mode != GIMP_RUN_NONINTERACTIVE)
gimp_displays_flush ();
if (run_mode != GIMP_RUN_NONINTERACTIVE)
gimp_displays_flush ();
/* Store data */
if (run_mode == GIMP_RUN_INTERACTIVE)
gimp_set_data ("plug_in_pixelize", &pvals, sizeof (PixelizeValues));
}
/* Store data */
if (run_mode == GIMP_RUN_INTERACTIVE)
gimp_set_data ("plug_in_pixelize", &pvals, sizeof (PixelizeValues));
}
else
{
/* g_message ("pixelize: cannot operate on indexed color images"); */
status = GIMP_PDB_EXECUTION_ERROR;
}
{
/* g_message ("pixelize: cannot operate on indexed color images"); */
status = GIMP_PDB_EXECUTION_ERROR;
}
}
values[0].data.d_status = status;
@ -302,8 +306,9 @@ run (const gchar *name,
static gboolean
pixelize_dialog (GimpDrawable *drawable)
{
GtkWidget *dlg;
GtkWidget *vbox;
GtkWidget *dialog;
GtkWidget *main_vbox;
GtkWidget *preview;
GtkWidget *sizeentry;
guint32 image_id;
GimpUnit unit;
@ -312,24 +317,31 @@ pixelize_dialog (GimpDrawable *drawable)
gimp_ui_init ("pixelize", FALSE);
dlg = gimp_dialog_new (_("Pixelize"), "pixelize",
NULL, 0,
gimp_standard_help_func, "plug-in-pixelize",
dialog = gimp_dialog_new (_("Pixelize"), "pixelize",
NULL, 0,
gimp_standard_help_func, "plug-in-pixelize",
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dlg),
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
vbox = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
main_vbox = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), main_vbox);
gtk_widget_show (main_vbox);
preview = gimp_drawable_preview_new (drawable, NULL);
gtk_box_pack_start_defaults (GTK_BOX (main_vbox), preview);
gtk_widget_show (preview);
g_signal_connect_swapped (preview, "invalidated",
G_CALLBACK (pixelize),
drawable);
image_id = gimp_drawable_get_image (drawable->drawable_id);
unit = gimp_image_get_unit (image_id);
@ -349,34 +361,43 @@ pixelize_dialog (GimpDrawable *drawable)
1, drawable->height,
1, drawable->height);
gtk_box_pack_start (GTK_BOX (vbox), sizeentry, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (main_vbox), sizeentry, FALSE, FALSE, 0);
gtk_widget_show (sizeentry);
g_signal_connect (sizeentry, "value_changed",
G_CALLBACK (update_pixelsize),
preview);
g_signal_connect (sizeentry, "refval_changed",
G_CALLBACK (update_pixelsize),
preview);
gtk_widget_show (dlg);
gtk_widget_show (dialog);
run = (gimp_dialog_run (GIMP_DIALOG (dlg)) == GTK_RESPONSE_OK);
run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
if (run)
{
pvals.pixelwidth =
gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (sizeentry), 0);
pvals.pixelheight =
gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (sizeentry), 1);
}
gtk_widget_destroy (dlg);
gtk_widget_destroy (dialog);
return run;
}
static void
update_pixelsize (GimpSizeEntry *sizeentry,
GimpPreview *preview)
{
pvals.pixelwidth = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (sizeentry),
0);
pvals.pixelheight = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (sizeentry),
1);
gimp_preview_invalidate (preview);
}
/*
Pixelize Effect
*/
static void
pixelize (GimpDrawable *drawable)
pixelize (GimpDrawable *drawable,
GimpPreview *preview)
{
gint tile_width;
gint tile_height;
@ -399,8 +420,8 @@ pixelize (GimpDrawable *drawable)
if (pixelheight < 1)
pixelheight = 1;
if (pixelwidth >= tile_width || pixelheight >= tile_height)
pixelize_large (drawable, pixelwidth, pixelheight);
if (pixelwidth >= tile_width || pixelheight >= tile_height || preview)
pixelize_large (drawable, pixelwidth, pixelheight, preview);
else
pixelize_small (drawable, pixelwidth, pixelheight, tile_width, tile_height);
}
@ -411,62 +432,79 @@ pixelize (GimpDrawable *drawable)
*/
static void
pixelize_large (GimpDrawable *drawable,
gint pixelwidth,
gint pixelheight)
gint pixelwidth,
gint pixelheight,
GimpPreview *preview)
{
GimpPixelRgn src_rgn, dest_rgn;
guchar *src_row, *dest_row;
guchar *src, *dest;
gulong *average;
guchar *src, *dest = NULL, *d;
gulong average[4];
gint row, col, b, bpp, has_alpha;
gint x, y, x_step, y_step;
gint i, j;
gulong count;
gint x1, y1, x2, y2;
gint progress, max_progress;
gint width, height;
gint progress = 0, max_progress = 1;
gpointer pr;
gimp_drawable_mask_bounds (drawable->drawable_id, &x1, &y1, &x2, &y2);
bpp = gimp_drawable_bpp (drawable->drawable_id);
has_alpha = gimp_drawable_has_alpha (drawable->drawable_id);
average = g_new (gulong, bpp);
/* Initialize progress */
progress = 0;
max_progress = 2 * (x2 - x1) * (y2 - y1);
if (preview)
{
gimp_preview_get_position (preview, &x1, &y1);
gimp_preview_get_size (preview, &width, &height);
x2 = x1 + width;
y2 = y1 + height;
dest = g_new (guchar, width * height * bpp);
}
else
{
gimp_drawable_mask_bounds (drawable->drawable_id,
&x1, &y1, &x2, &y2);
width = x2 - x1;
height = y2 - y1;
/* Initialize progress */
progress = 0;
max_progress = 2 * width * height;
}
for (y = y1; y < y2; y += pixelheight - (y % pixelheight))
{
for (x = x1; x < x2; x += pixelwidth - (x % pixelwidth))
{
x_step = pixelwidth - (x % pixelwidth);
y_step = pixelheight - (y % pixelheight);
x_step = MIN(x_step, x2-x);
y_step = MIN(y_step, y2-y);
{
x_step = pixelwidth - (x % pixelwidth);
y_step = pixelheight - (y % pixelheight);
x_step = MIN (x_step, x2 - x);
y_step = MIN (y_step, y2 - y);
gimp_pixel_rgn_init (&src_rgn, drawable,
x, y, x_step, y_step, FALSE, FALSE);
for (b = 0; b < bpp; b++)
average[b] = 0;
count = 0;
gimp_pixel_rgn_init (&src_rgn, drawable,
x, y, x_step, y_step, FALSE, FALSE);
for (b = 0; b < bpp; b++)
average[b] = 0;
count = 0;
for (pr = gimp_pixel_rgns_register (1, &src_rgn);
pr != NULL;
pr = gimp_pixel_rgns_process (pr))
{
src_row = src_rgn.data;
for (row = 0; row < src_rgn.h; row++)
{
src = src_row;
for (pr = gimp_pixel_rgns_register (1, &src_rgn);
pr != NULL;
pr = gimp_pixel_rgns_process (pr))
{
src_row = src_rgn.data;
for (row = 0; row < src_rgn.h; row++)
{
src = src_row;
if (has_alpha)
{
for (col = 0; col < src_rgn.w; col++)
{
gulong alpha = src[bpp-1];
gulong alpha = src[bpp - 1];
average[bpp-1] += alpha;
for (b = 0; b < bpp-1; b++)
average[b] += src[b] * alpha;
average[bpp - 1] += alpha;
for (b = 0; b < bpp - 1; b++)
average[b] += src[b] * alpha;
src += src_rgn.bpp;
}
}
@ -475,68 +513,92 @@ pixelize_large (GimpDrawable *drawable,
for (col = 0; col < src_rgn.w; col++)
{
for (b = 0; b < bpp; b++)
average[b] += src[b];
average[b] += src[b];
src += src_rgn.bpp;
}
}
src_row += src_rgn.rowstride;
}
/* Update progress */
src_row += src_rgn.rowstride;
}
count += src_rgn.w * src_rgn.h;
progress += src_rgn.w * src_rgn.h;
gimp_progress_update ((double) progress / (double) max_progress);
}
if (!preview)
{
/* Update progress */
progress += src_rgn.w * src_rgn.h;
gimp_progress_update ((double) progress / (double) max_progress);
}
}
if (count > 0)
{
if (count > 0)
{
if (has_alpha)
{
gulong alpha = average[bpp-1];
gulong alpha = average[bpp - 1];
if ((average[bpp-1] = alpha / count))
for (b = 0; b < bpp-1; b++)
average[b] /= alpha;
if ((average[bpp - 1] = alpha / count))
for (b = 0; b < bpp - 1; b++)
average[b] /= alpha;
}
else
{
for (b = 0; b < bpp; b++)
average[b] /= count;
average[b] /= count;
}
}
}
gimp_pixel_rgn_init (&dest_rgn, drawable,
x, y, x_step, y_step, TRUE, TRUE);
for (pr = gimp_pixel_rgns_register (1, &dest_rgn);
pr != NULL;
pr = gimp_pixel_rgns_process (pr))
{
dest_row = dest_rgn.data;
for (row = 0; row < dest_rgn.h; row++)
{
dest = dest_row;
for (col = 0; col < dest_rgn.w; col++)
{
for (b = 0; b < bpp; b++)
dest[b] = average[b];
if (preview)
{
dest_row = dest + ((y - y1) * width + (x - x1)) * bpp;
for (j = 0; j < y_step; j++)
{
d = dest_row;
for (i = 0; i < x_step; i++)
for (b = 0; b < bpp; b++)
*d++ = average[b];
dest_row += width * bpp;
}
}
else
{
gimp_pixel_rgn_init (&dest_rgn, drawable,
x, y, x_step, y_step,
TRUE, TRUE);
for (pr = gimp_pixel_rgns_register (1, &dest_rgn);
pr != NULL;
pr = gimp_pixel_rgns_process (pr))
{
dest_row = dest_rgn.data;
for (row = 0; row < dest_rgn.h; row++)
{
dest = dest_row;
for (col = 0; col < dest_rgn.w; col++)
{
for (b = 0; b < bpp; b++)
dest[b] = average[b];
dest += dest_rgn.bpp;
count += 1;
}
dest_row += dest_rgn.rowstride;
}
/* Update progress */
progress += dest_rgn.w * dest_rgn.h;
gimp_progress_update ((double) progress / (double) max_progress);
}
}
dest += dest_rgn.bpp;
}
dest_row += dest_rgn.rowstride;
}
/* Update progress */
progress += dest_rgn.w * dest_rgn.h;
gimp_progress_update ((double) progress / (double) max_progress);
}
}
}
}
g_free (average);
/* update the blurred region */
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_preview_draw_buffer (preview, dest, width * bpp);
g_free (dest);
}
else
{
/* update the blurred region */
gimp_drawable_flush (drawable);
gimp_drawable_merge_shadow (drawable->drawable_id, TRUE);
gimp_drawable_update (drawable->drawable_id, x1, y1, width, height);
}
}
@ -551,9 +613,9 @@ pixelize_large (GimpDrawable *drawable,
*/
static void
pixelize_small (GimpDrawable *drawable,
gint pixelwidth,
gint pixelwidth,
gint pixelheight,
gint tile_width,
gint tile_width,
gint tile_height)
{
GimpPixelRgn src_rgn, dest_rgn;
@ -583,23 +645,23 @@ pixelize_small (GimpDrawable *drawable,
area.h = MIN (area.h, y2 - area.y);
for (area.x = x1; area.x < x2;
area.x += area.width - (area.x % area.width))
{
area.w = area.width - (area.x % area.width);
area.w = MIN(area.w, x2 - area.x);
area.x += area.width - (area.x % area.width))
{
area.w = area.width - (area.x % area.width);
area.w = MIN(area.w, x2 - area.x);
gimp_pixel_rgn_get_rect (&src_rgn, area.data,
area.x, area.y, area.w, area.h);
gimp_pixel_rgn_get_rect (&src_rgn, area.data,
area.x, area.y, area.w, area.h);
pixelize_sub (pixelwidth, pixelheight, bpp, has_alpha);
pixelize_sub (pixelwidth, pixelheight, bpp, has_alpha);
gimp_pixel_rgn_set_rect (&dest_rgn, area.data,
area.x, area.y, area.w, area.h);
gimp_pixel_rgn_set_rect (&dest_rgn, area.data,
area.x, area.y, area.w, area.h);
/* Update progress */
progress += area.w * area.h;
gimp_progress_update ((double) progress / (double) max_progress);
}
/* Update progress */
progress += area.w * area.h;
gimp_progress_update ((double) progress / (double) max_progress);
}
}
g_free(area.data);
@ -618,16 +680,16 @@ pixelize_small (GimpDrawable *drawable,
static void
pixelize_sub (gint pixelwidth,
gint pixelheight,
gint bpp,
gint bpp,
gint has_alpha)
{
gulong average[4]; /* bpp <= 4 */
gint x, y, w, h;
gulong average[4]; /* bpp <= 4 */
gint x, y, w, h;
guchar *buf_row, *buf;
gint row, col;
gint rowstride;
gint count;
gint i;
gint row, col;
gint rowstride;
gint count;
gint i;
rowstride = area.w * bpp;
@ -637,20 +699,20 @@ pixelize_sub (gint pixelwidth,
h = MIN (h, area.y + area.h - y);
for (x = area.x; x < area.x + area.w; x += pixelwidth - (x % pixelwidth))
{
w = pixelwidth - (x % pixelwidth);
w = MIN (w, area.x + area.w - x);
{
w = pixelwidth - (x % pixelwidth);
w = MIN (w, area.x + area.w - x);
for (i = 0; i < bpp; i++)
average[i] = 0;
count = 0;
for (i = 0; i < bpp; i++)
average[i] = 0;
count = 0;
/* Read */
buf_row = area.data + (y-area.y)*rowstride + (x-area.x)*bpp;
/* Read */
buf_row = area.data + (y-area.y)*rowstride + (x-area.x)*bpp;
for (row = 0; row < h; row++)
{
buf = buf_row;
for (row = 0; row < h; row++)
{
buf = buf_row;
if (has_alpha)
{
for (col = 0; col < w; col++)
@ -672,13 +734,13 @@ pixelize_sub (gint pixelwidth,
buf += bpp;
}
}
buf_row += rowstride;
}
buf_row += rowstride;
}
count += w*h;
/* Average */
if (count > 0)
/* Average */
if (count > 0)
{
if (has_alpha)
{
@ -687,32 +749,32 @@ pixelize_sub (gint pixelwidth,
if ((average[bpp-1] = alpha / count))
{
for (i = 0; i < bpp-1; i++)
average[i] /= alpha;
average[i] /= alpha;
}
}
else
{
for (i = 0; i < bpp; i++)
average[i] /= count;
average[i] /= count;
}
}
}
/* Write */
buf_row = area.data + (y-area.y)*rowstride + (x-area.x)*bpp;
/* Write */
buf_row = area.data + (y-area.y)*rowstride + (x-area.x)*bpp;
for (row = 0; row < h; row++)
{
buf = buf_row;
for (col = 0; col < w; col++)
{
for (i = 0; i < bpp; i++)
buf[i] = average[i];
for (row = 0; row < h; row++)
{
buf = buf_row;
for (col = 0; col < w; col++)
{
for (i = 0; i < bpp; i++)
buf[i] = average[i];
count++;
buf += bpp;
}
buf_row += rowstride;
}
}
count++;
buf += bpp;
}
buf_row += rowstride;
}
}
}
}