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gimp/app/image_new.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
*
* 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 "image_new.h"
#include "appenv.h"
#include "gimprc.h"
#include "file_new_dialog.h"
#include "tile_manager_pvt.h"
#include "gdisplay.h"
#include "gimpcontext.h"
#include "gimage.h"
#include "libgimp/gimpparasite.h"
#include "libgimp/gimpintl.h"
#include "pixmaps/wilber2.xpm"
static GList *image_base_type_names = NULL;
static GList *fill_type_names = NULL;
static GimpImageNewValues last_values;
static gboolean current_cut_buffer = FALSE;
extern TileManager *global_buf;
static void
image_new_init (void)
{
static gboolean image_new_inited = FALSE;
GimpImageBaseTypeName *new_type;
GimpFillTypeName *new_fill_type;
if (image_new_inited)
return;
else
image_new_inited = TRUE;
/* Available Image Base Types */
new_type = g_new (GimpImageBaseTypeName, 1);
new_type->type = RGB;
new_type->name = _("RGB");
image_base_type_names = g_list_append (image_base_type_names, new_type);
new_type = g_new (GimpImageBaseTypeName, 1);
new_type->type = GRAY;
new_type->name = _("Grayscale");
image_base_type_names = g_list_append (image_base_type_names, new_type);
/* Available Fill Types */
new_fill_type = g_new (GimpFillTypeName, 1);
new_fill_type->type = FOREGROUND_FILL;
new_fill_type->name = _("Foreground");
fill_type_names = g_list_append (fill_type_names, new_fill_type);
new_fill_type = g_new (GimpFillTypeName, 1);
new_fill_type->type = BACKGROUND_FILL;
new_fill_type->name = _("Background");
fill_type_names = g_list_append (fill_type_names, new_fill_type);
new_fill_type = g_new (GimpFillTypeName, 1);
new_fill_type->type = WHITE_FILL;
new_fill_type->name = _("White");
fill_type_names = g_list_append (fill_type_names, new_fill_type);
new_fill_type = g_new (GimpFillTypeName, 1);
new_fill_type->type = TRANSPARENT_FILL;
new_fill_type->name = _("Transparent");
fill_type_names = g_list_append (fill_type_names, new_fill_type);
/* Set the last values used to default values. */
last_values.width = default_width;
last_values.height = default_height;
last_values.unit = default_units;
last_values.xresolution = default_xresolution;
last_values.yresolution = default_yresolution;
last_values.res_unit = default_resolution_units;
last_values.type = default_type;
last_values.fill_type = BACKGROUND_FILL;
}
GList *
image_new_get_image_base_type_names (void)
{
image_new_init ();
return image_base_type_names;
}
GList *
image_new_get_fill_type_names (void)
{
image_new_init ();
return fill_type_names;
}
void
image_new_create_window (const GimpImageNewValues *create_values,
const GimpImage *image)
{
GimpImageNewValues *values;
image_new_init ();
values = image_new_values_new (create_values);
if (image)
{
values->width = gimp_image_get_width (image);
values->height = gimp_image_get_height (image);
values->unit = gimp_image_get_unit (image);
gimp_image_get_resolution (image,
&values->xresolution,
&values->yresolution);
values->type = gimp_image_base_type (image);
if (values->type == INDEXED)
values->type = RGB; /* no indexed images */
}
/* If a cut buffer exists, default to using its size for the new image
* also check to see if a new_image has been opened
*/
if (global_buf && current_cut_buffer)
{
values->width = global_buf->width;
values->height = global_buf->height;
}
ui_new_image_window_create (values);
image_new_values_free (values);
}
void
image_new_set_default_values (const GimpImageNewValues *values)
{
g_return_if_fail (values != NULL);
image_new_init ();
memcpy(&last_values, values, sizeof (GimpImageNewValues));
current_cut_buffer = FALSE;
}
GimpImageNewValues*
image_new_values_new (const GimpImageNewValues *src_values)
{
GimpImageNewValues *values;
image_new_init ();
values = g_new (GimpImageNewValues, 1);
if (src_values)
memcpy(values, src_values, sizeof (GimpImageNewValues));
else
memcpy(values, &last_values, sizeof (GimpImageNewValues));
return values;
}
void
image_new_values_free (GimpImageNewValues *values)
{
g_return_if_fail (values != NULL);
g_free (values);
}
static gint
image_new_rotate_the_shield_harmonics (GtkWidget *widget,
GdkEvent *eevent,
gpointer data)
{
GdkPixmap *pixmap = NULL;
GdkBitmap *mask = NULL;
gint width = 0;
gint height = 0;
gtk_signal_disconnect_by_func
(GTK_OBJECT (widget),
GTK_SIGNAL_FUNC (image_new_rotate_the_shield_harmonics), data);
pixmap =
gdk_pixmap_create_from_xpm_d (widget->window,
&mask,
NULL,
wilber2_xpm);
gdk_window_get_size (pixmap, &width, &height);
if (widget->allocation.width >= width &&
widget->allocation.height >= height)
{
gint x, y;
x = (widget->allocation.width - width) / 2;
y = (widget->allocation.height - height) / 2;
gdk_gc_set_clip_mask (widget->style->black_gc, mask);
gdk_gc_set_clip_origin (widget->style->black_gc, x, y);
gdk_draw_pixmap (widget->window,
widget->style->black_gc,
pixmap, 0, 0,
x, y,
width, height);
gdk_gc_set_clip_mask (widget->style->black_gc, NULL);
gdk_gc_set_clip_origin (widget->style->black_gc, 0, 0);
}
gdk_pixmap_unref (pixmap);
gdk_bitmap_unref (mask);
return FALSE;
}
void
image_new_create_image (const GimpImageNewValues *values)
{
GimpImage *image;
GDisplay *display;
Layer *layer;
GimpImageType type;
GimpParasite *comment_parasite;
gint width, height;
g_return_if_fail (values != NULL);
image_new_set_default_values (values);
switch (values->fill_type)
{
case FOREGROUND_FILL:
case BACKGROUND_FILL:
case WHITE_FILL:
type = (values->type == RGB) ? RGB_GIMAGE : GRAY_GIMAGE;
break;
case TRANSPARENT_FILL:
type = (values->type == RGB) ? RGBA_GIMAGE : GRAYA_GIMAGE;
break;
default:
type = RGB_GIMAGE;
break;
}
image = gimage_new (values->width, values->height, values->type);
gimp_image_set_resolution (image, values->xresolution, values->yresolution);
gimp_image_set_unit (image, values->unit);
if (default_comment)
{
comment_parasite = gimp_parasite_new ("gimp-comment",
GIMP_PARASITE_PERSISTENT,
strlen (default_comment) + 1,
(gpointer) default_comment);
gimp_image_parasite_attach (image, comment_parasite);
gimp_parasite_free (comment_parasite);
}
/* Make the background (or first) layer */
width = gimp_image_get_width (image);
height = gimp_image_get_height (image);
layer = layer_new (image, width, height,
type, _("Background"),
OPAQUE_OPACITY, NORMAL_MODE);
if (layer)
{
/* add the new layer to the gimage */
gimp_image_undo_disable (image);
gimp_image_add_layer (image, layer, 0);
gimp_image_undo_enable (image);
drawable_fill (GIMP_DRAWABLE (layer), values->fill_type);
gimp_image_clean_all (image);
display = gdisplay_new (image, 0x0101);
gimp_context_set_display (gimp_context_get_user (), display);
if (double_speed)
gtk_signal_connect_after
(GTK_OBJECT (display->canvas), "expose_event",
GTK_SIGNAL_FUNC (image_new_rotate_the_shield_harmonics),
NULL);
}
}
gdouble
image_new_calculate_size (GimpImageNewValues *values)
{
gdouble width, height, size;
width = (gdouble) values->width;
height = (gdouble) values->height;
size =
width * height *
((values->type == RGB ? 3 : 1) + /* bytes per pixel */
(values->fill_type == TRANSPARENT_FILL ? 1 : 0)); /* alpha channel */
return size;
}
gchar *
image_new_get_size_string (gdouble size)
{
if (size < 4096)
return g_strdup_printf (_("%d Bytes"), (gint) size);
else if (size < 1024 * 10)
return g_strdup_printf (_("%.2f KB"), size / 1024);
else if (size < 1024 * 100)
return g_strdup_printf (_("%.1f KB"), size / 1024);
else if (size < 1024 * 1024)
return g_strdup_printf (_("%d KB"), (gint) size / 1024);
else if (size < 1024 * 1024 * 10)
return g_strdup_printf (_("%.2f MB"), size / 1024 / 1024);
else
return g_strdup_printf (_("%.1f MB"), size / 1024 / 1024);
}
void
image_new_reset_current_cut_buffer (void)
{
/* This function just changes the status of current_cut_buffer
if there hass been a cut/copy since the last file new */
current_cut_buffer = TRUE;
}
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