static void
palette_editor_edit_color_update (GimpColorDialog *dialog,
const GimpRGB *color,
GimpColorDialogState state,
GimpPaletteEditor *editor)
{
GimpPalette *palette = GIMP_PALETTE (GIMP_DATA_EDITOR (editor)->data);
switch (state)
{
case GIMP_COLOR_DIALOG_UPDATE:
break;
case GIMP_COLOR_DIALOG_OK:
if (editor->color)
{
editor->color->color = *color;
gimp_data_dirty (GIMP_DATA (palette));
}
/* Fallthrough */
case GIMP_COLOR_DIALOG_CANCEL:
gtk_widget_hide (editor->color_dialog);
break;
}
}
gboolean
gimp_palette_editor_set_index (GimpPaletteEditor *editor,
gint index,
GimpRGB *color)
{
GimpPalette *palette;
g_return_val_if_fail (GIMP_IS_PALETTE_EDITOR (editor), FALSE);
palette = GIMP_PALETTE (GIMP_DATA_EDITOR (editor)->data);
if (palette && gimp_palette_get_n_colors (palette) > 0)
{
GimpPaletteEntry *entry;
index = CLAMP (index, 0, gimp_palette_get_n_colors (palette) - 1);
entry = gimp_palette_get_entry (palette, index);
gimp_palette_view_select_entry (GIMP_PALETTE_VIEW (editor->view),
entry);
if (color)
*color = editor->color->color;
return TRUE;
}
return FALSE;
}
GList *
gimp_palette_load_act (GimpContext *context,
GFile *file,
GInputStream *input,
GError **error)
{
GimpPalette *palette;
gchar *palette_name;
guchar color_bytes[3];
gsize bytes_read;
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (G_IS_INPUT_STREAM (input), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
palette_name = g_path_get_basename (gimp_file_get_utf8_name (file));
palette = GIMP_PALETTE (gimp_palette_new (context, palette_name));
g_free (palette_name);
while (g_input_stream_read_all (input, color_bytes, sizeof (color_bytes),
&bytes_read, NULL, NULL) &&
bytes_read == sizeof (color_bytes))
{
GimpRGB color;
gimp_rgba_set_uchar (&color,
color_bytes[0],
color_bytes[1],
color_bytes[2],
255);
gimp_palette_add_entry (palette, -1, NULL, &color);
}
return g_list_prepend (NULL, palette);
}
static GimpPaletteEntry *
gimp_palette_view_find_entry (GimpPaletteView *view,
gint x,
gint y)
{
GimpPalette *palette;
GimpViewRendererPalette *renderer;
GimpPaletteEntry *entry = NULL;
gint col, row;
palette = GIMP_PALETTE (GIMP_VIEW (view)->renderer->viewable);
renderer = GIMP_VIEW_RENDERER_PALETTE (GIMP_VIEW (view)->renderer);
if (! palette)
return NULL;
col = x / renderer->cell_width;
row = y / renderer->cell_height;
if (col >= 0 && col < renderer->columns &&
row >= 0 && row < renderer->rows)
{
entry = gimp_palette_get_entry (palette,
row * renderer->columns + col);
}
return entry;
}
static gboolean
convert_dialog_palette_filter (const GimpObject *object,
gpointer user_data)
{
GimpPalette *palette = GIMP_PALETTE (object);
return palette->n_colors > 0 && palette->n_colors <= 256;
}
static void
palettes_merge_callback (GtkWidget *widget,
const gchar *palette_name,
gpointer data)
{
/* FIXME: reimplement palettes_merge_callback() */
#if 0
GimpContainerEditor *editor;
GimpPalette *palette;
GimpPalette *new_palette;
GList *sel_list;
editor = (GimpContainerEditor *) data;
sel_list = GTK_LIST (GIMP_CONTAINER_LIST_VIEW (editor->view)->gtk_list)->selection;
if (! sel_list)
{
gimp_message_literal (gimp,
G_OBJECT (widget), GIMP_MESSAGE_WARNING,
"Can't merge palettes because "
"there are no palettes selected.");
return;
}
new_palette = GIMP_PALETTE (gimp_palette_new (palette_name, FALSE));
while (sel_list)
{
GimpListItem *list_item;
list_item = GIMP_LIST_ITEM (sel_list->data);
palette = (GimpPalette *) GIMP_VIEW (list_item->preview)->viewable;
if (palette)
{
GList *cols;
for (cols = gimp_palette_get_colors (palette);
cols;
cols = g_list_next (cols))
{
GimpPaletteEntry *entry = cols->data;
gimp_palette_add_entry (new_palette,
entry->name,
&entry->color);
}
}
sel_list = sel_list->next;
}
gimp_container_add (editor->view->container,
GIMP_OBJECT (new_palette));
#endif
}
static gboolean
convert_dialog_palette_filter (const GimpObject *object,
gpointer user_data)
{
GimpPalette *palette = GIMP_PALETTE (object);
return (gimp_palette_get_n_colors (palette) > 0 &&
gimp_palette_get_n_colors (palette) <= 256);
}
static void
palette_editor_columns_changed (GtkAdjustment *adj,
GimpPaletteEditor *editor)
{
if (GIMP_DATA_EDITOR (editor)->data)
{
GimpPalette *palette = GIMP_PALETTE (GIMP_DATA_EDITOR (editor)->data);
gimp_palette_set_columns (palette,
ROUND (gtk_adjustment_get_value (adj)));
}
}
static void
palette_editor_color_name_changed (GtkWidget *widget,
GimpPaletteEditor *editor)
{
if (GIMP_DATA_EDITOR (editor)->data)
{
GimpPalette *palette = GIMP_PALETTE (GIMP_DATA_EDITOR (editor)->data);
const gchar *name;
name = gtk_entry_get_text (GTK_ENTRY (editor->color_name));
gimp_palette_set_entry_name (palette, editor->color->position, name);
}
}
void
palette_editor_delete_color_cmd_callback (GtkAction *action,
gpointer data)
{
GimpPaletteEditor *editor = GIMP_PALETTE_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
if (data_editor->data_editable && editor->color)
{
GimpPalette *palette = GIMP_PALETTE (data_editor->data);
gimp_palette_delete_entry (palette, editor->color);
}
}
void
gimp_palette_editor_pick_color (GimpPaletteEditor *editor,
const GimpRGB *color,
GimpColorPickState pick_state)
{
g_return_if_fail (GIMP_IS_PALETTE_EDITOR (editor));
g_return_if_fail (color != NULL);
if (GIMP_DATA_EDITOR (editor)->data_editable)
{
GimpPaletteEntry *entry;
GimpData *data;
gint index = -1;
data = gimp_data_editor_get_data (GIMP_DATA_EDITOR (editor));
switch (pick_state)
{
case GIMP_COLOR_PICK_STATE_NEW:
if (editor->color)
index = editor->color->position + 1;
entry = gimp_palette_add_entry (GIMP_PALETTE (data), index,
NULL, color);
gimp_palette_view_select_entry (GIMP_PALETTE_VIEW (editor->view),
entry);
break;
case GIMP_COLOR_PICK_STATE_UPDATE:
gimp_palette_set_entry_color (GIMP_PALETTE (data),
editor->color->position,
color);
break;
}
}
}
gint
gimp_palette_editor_max_index (GimpPaletteEditor *editor)
{
GimpPalette *palette;
g_return_val_if_fail (GIMP_IS_PALETTE_EDITOR (editor), -1);
palette = GIMP_PALETTE (GIMP_DATA_EDITOR (editor)->data);
if (palette && gimp_palette_get_n_colors (palette) > 0)
{
return gimp_palette_get_n_colors (palette) - 1;
}
return -1;
}
void
palette_editor_edit_color_cmd_callback (GtkAction *action,
gpointer data)
{
GimpPaletteEditor *editor = GIMP_PALETTE_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
GimpPalette *palette;
if (! (data_editor->data_editable && editor->color))
return;
palette = GIMP_PALETTE (data_editor->data);
if (! editor->color_dialog)
{
editor->color_dialog =
gimp_color_dialog_new (GIMP_VIEWABLE (palette),
data_editor->context,
_("Edit Palette Color"),
GIMP_STOCK_PALETTE,
_("Edit Color Palette Entry"),
GTK_WIDGET (editor),
gimp_dialog_factory_get_singleton (),
"gimp-palette-editor-color-dialog",
&editor->color->color,
FALSE, FALSE);
g_signal_connect (editor->color_dialog, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&editor->color_dialog);
g_signal_connect (editor->color_dialog, "update",
G_CALLBACK (palette_editor_edit_color_update),
editor);
}
else
{
gimp_viewable_dialog_set_viewable (GIMP_VIEWABLE_DIALOG (editor->color_dialog),
GIMP_VIEWABLE (palette),
data_editor->context);
gimp_color_dialog_set_color (GIMP_COLOR_DIALOG (editor->color_dialog),
&editor->color->color);
}
gtk_window_present (GTK_WINDOW (editor->color_dialog));
}
GList *
gimp_palette_load_riff (const gchar *filename,
GError **error)
{
GimpPalette *palette;
gchar *palette_name;
gint fd;
guchar color_bytes[4];
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (filename), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
fd = g_open (filename, O_RDONLY | _O_BINARY, 0);
if (! fd)
{
g_set_error (error,
G_FILE_ERROR, g_file_error_from_errno (errno),
_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (filename), g_strerror (errno));
return NULL;
}
palette_name = g_filename_display_basename (filename);
palette = GIMP_PALETTE (gimp_palette_new (palette_name));
g_free (palette_name);
lseek (fd, 28, SEEK_SET);
while (read (fd,
color_bytes, sizeof (color_bytes)) == sizeof (color_bytes))
{
GimpRGB color;
gimp_rgba_set_uchar (&color,
color_bytes[0],
color_bytes[1],
color_bytes[2],
255);
gimp_palette_add_entry (palette, -1, NULL, &color);
}
close (fd);
return g_list_prepend (NULL, palette);
}
gboolean
gimp_palette_save (GimpData *data,
GOutputStream *output,
GError **error)
{
GimpPalette *palette = GIMP_PALETTE (data);
GString *string;
GList *list;
gsize bytes_written;
string = g_string_new ("GIMP Palette\n");
g_string_append_printf (string,
"Name: %s\n"
"Columns: %d\n"
"#\n",
gimp_object_get_name (palette),
CLAMP (gimp_palette_get_columns (palette), 0, 256));
for (list = gimp_palette_get_colors (palette);
list;
list = g_list_next (list))
{
GimpPaletteEntry *entry = list->data;
guchar r, g, b;
gimp_rgb_get_uchar (&entry->color, &r, &g, &b);
g_string_append_printf (string, "%3d %3d %3d\t%s\n",
r, g, b, entry->name);
}
if (! g_output_stream_write_all (output, string->str, string->len,
&bytes_written, NULL, error) ||
bytes_written != string->len)
{
g_string_free (string, TRUE);
return FALSE;
}
g_string_free (string, TRUE);
return TRUE;
}
static void
palette_editor_color_dropped (GimpPaletteView *view,
GimpPaletteEntry *entry,
const GimpRGB *color,
GimpPaletteEditor *editor)
{
if (GIMP_DATA_EDITOR (editor)->data_editable)
{
GimpPalette *palette = GIMP_PALETTE (GIMP_DATA_EDITOR (editor)->data);
gint pos = -1;
if (entry)
pos = entry->position;
entry = gimp_palette_add_entry (palette, pos, NULL, color);
gimp_palette_view_select_entry (GIMP_PALETTE_VIEW (editor->view), entry);
}
}
static void
palette_editor_drop_color (GtkWidget *widget,
gint x,
gint y,
const GimpRGB *color,
gpointer data)
{
GimpPaletteEditor *editor = data;
if (GIMP_DATA_EDITOR (editor)->data_editable)
{
GimpPalette *palette = GIMP_PALETTE (GIMP_DATA_EDITOR (editor)->data);
GimpPaletteEntry *entry;
entry = gimp_palette_add_entry (palette, -1, NULL, color);
gimp_palette_view_select_entry (GIMP_PALETTE_VIEW (editor->view), entry);
}
}
void
palette_editor_new_color_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpPaletteEditor *editor = GIMP_PALETTE_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
if (data_editor->data_editable)
{
GimpPalette *palette = GIMP_PALETTE (data_editor->data);
GimpRGB color;
if (value)
gimp_context_get_background (data_editor->context, &color);
else
gimp_context_get_foreground (data_editor->context, &color);
editor->color = gimp_palette_add_entry (palette, -1, NULL, &color);
}
}
gboolean
gimp_palette_save (GimpData *data,
GError **error)
{
GimpPalette *palette = GIMP_PALETTE (data);
GList *list;
FILE *file;
file = g_fopen (gimp_data_get_filename (data), "wb");
if (! file)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_OPEN,
_("Could not open '%s' for writing: %s"),
gimp_filename_to_utf8 (gimp_data_get_filename (data)),
g_strerror (errno));
return FALSE;
}
fprintf (file, "GIMP Palette\n");
fprintf (file, "Name: %s\n", gimp_object_get_name (palette));
fprintf (file, "Columns: %d\n#\n", CLAMP (gimp_palette_get_columns (palette),
0, 256));
for (list = gimp_palette_get_colors (palette);
list;
list = g_list_next (list))
{
GimpPaletteEntry *entry = list->data;
guchar r, g, b;
gimp_rgb_get_uchar (&entry->color, &r, &g, &b);
fprintf (file, "%3d %3d %3d\t%s\n", r, g, b, entry->name);
}
fclose (file);
return TRUE;
}
gint
gimp_palette_editor_get_index (GimpPaletteEditor *editor,
const GimpRGB *search)
{
GimpPalette *palette;
g_return_val_if_fail (GIMP_IS_PALETTE_EDITOR (editor), -1);
g_return_val_if_fail (search != NULL, -1);
palette = GIMP_PALETTE (GIMP_DATA_EDITOR (editor)->data);
if (palette && gimp_palette_get_n_colors (palette) > 0)
{
GimpPaletteEntry *entry;
entry = gimp_palette_find_entry (palette, search, editor->color);
if (entry)
return entry->position;
}
return -1;
}
static void
palette_editor_resize (GimpPaletteEditor *editor,
gint width,
gdouble zoom_factor)
{
GimpPalette *palette;
gint rows;
gint preview_width;
gint preview_height;
palette = GIMP_PALETTE (GIMP_DATA_EDITOR (editor)->data);
if (! palette)
return;
editor->zoom_factor = zoom_factor;
editor->last_width = width;
editor->col_width = width / (editor->columns + 1) - SPACING;
if (editor->col_width < 0)
editor->col_width = 0;
rows = gimp_palette_get_n_colors (palette) / editor->columns;
if (gimp_palette_get_n_colors (palette) % editor->columns)
rows += 1;
preview_width = (editor->col_width + SPACING) * editor->columns;
preview_height = (rows *
(SPACING + (gint) (ENTRY_HEIGHT * editor->zoom_factor)));
if (preview_height > GIMP_VIEWABLE_MAX_PREVIEW_SIZE)
preview_height = ((GIMP_VIEWABLE_MAX_PREVIEW_SIZE - SPACING) / rows) * rows;
gimp_view_renderer_set_size_full (GIMP_VIEW (editor->view)->renderer,
preview_width + SPACING,
preview_height + SPACING, 0);
}
static gboolean
gimp_palette_view_focus (GtkWidget *widget,
GtkDirectionType direction)
{
GimpPaletteView *view = GIMP_PALETTE_VIEW (widget);
GimpPalette *palette;
palette = GIMP_PALETTE (GIMP_VIEW (view)->renderer->viewable);
if (gtk_widget_get_can_focus (widget) &&
! gtk_widget_has_focus (widget))
{
gtk_widget_grab_focus (widget);
if (! view->selected &&
palette && gimp_palette_get_n_colors (palette) > 0)
{
GimpPaletteEntry *entry = gimp_palette_get_entry (palette, 0);
gimp_palette_view_select_entry (view, entry);
}
return TRUE;
}
if (view->selected)
{
GimpViewRendererPalette *renderer;
gint skip = 0;
renderer = GIMP_VIEW_RENDERER_PALETTE (GIMP_VIEW (view)->renderer);
switch (direction)
{
case GTK_DIR_UP:
skip = -renderer->columns;
break;
case GTK_DIR_DOWN:
skip = renderer->columns;
break;
case GTK_DIR_LEFT:
skip = -1;
break;
case GTK_DIR_RIGHT:
skip = 1;
break;
case GTK_DIR_TAB_FORWARD:
case GTK_DIR_TAB_BACKWARD:
return FALSE;
}
if (skip != 0)
{
GimpPaletteEntry *entry;
gint position;
position = view->selected->position + skip;
entry = gimp_palette_get_entry (palette, position);
if (entry)
gimp_palette_view_select_entry (view, entry);
}
return TRUE;
}
return FALSE;
}
GList *
gimp_palette_load_psp (GimpContext *context,
GFile *file,
GInputStream *input,
GError **error)
{
GimpPalette *palette;
gchar *palette_name;
guchar color_bytes[4];
gint number_of_colors;
gsize bytes_read;
gint i, j;
gboolean color_ok;
gchar buffer[4096];
/*Maximum valid file size: 256 * 4 * 3 + 256 * 2 ~= 3650 bytes */
gchar **lines;
gchar **ascii_colors;
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (G_IS_INPUT_STREAM (input), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
palette_name = g_path_get_basename (gimp_file_get_utf8_name (file));
palette = GIMP_PALETTE (gimp_palette_new (context, palette_name));
g_free (palette_name);
if (! g_seekable_seek (G_SEEKABLE (input), 16, G_SEEK_SET, NULL, error))
{
g_object_unref (palette);
return NULL;
}
if (! g_input_stream_read_all (input, buffer, sizeof (buffer) - 1,
&bytes_read, NULL, error))
{
g_object_unref (palette);
return NULL;
}
buffer[bytes_read] = '\0';
lines = g_strsplit (buffer, "\x0d\x0a", -1);
number_of_colors = atoi (lines[0]);
for (i = 0; i < number_of_colors; i++)
{
if (lines[i + 1] == NULL)
{
g_printerr ("Premature end of file reading %s.",
gimp_file_get_utf8_name (file));
break;
}
ascii_colors = g_strsplit (lines[i + 1], " ", 3);
color_ok = TRUE;
for (j = 0 ; j < 3; j++)
{
if (ascii_colors[j] == NULL)
{
g_printerr ("Corrupted palette file %s.",
gimp_file_get_utf8_name (file));
color_ok = FALSE;
break;
}
color_bytes[j] = atoi (ascii_colors[j]);
}
if (color_ok)
{
GimpRGB color;
gimp_rgba_set_uchar (&color,
color_bytes[0],
color_bytes[1],
color_bytes[2],
255);
gimp_palette_add_entry (palette, -1, NULL, &color);
}
g_strfreev (ascii_colors);
}
g_strfreev (lines);
return g_list_prepend (NULL, palette);
}
GList *
gimp_palette_load_aco (const gchar *filename,
GError **error)
{
GimpPalette *palette;
gchar *palette_name;
gint fd;
gint format_version;
gint number_of_colors;
gint i;
gchar header[4];
gchar color_info[10];
gchar format2_preamble[4];
gint status;
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (filename), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
fd = g_open (filename, O_RDONLY | _O_BINARY, 0);
if (! fd)
{
g_set_error (error,
G_FILE_ERROR, g_file_error_from_errno (errno),
_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (filename), g_strerror (errno));
return NULL;
}
palette_name = g_filename_display_basename (filename);
palette = GIMP_PALETTE (gimp_palette_new (palette_name));
g_free (palette_name);
status = read(fd, header, sizeof (header));
if (status < 0)
{
close(fd);
return g_list_prepend (NULL, palette);
}
format_version = header[1] + (header[0] << 8);
number_of_colors = header[3] + (header[2] << 8);
for (i = 0; i < number_of_colors; i++)
{
gint color_space;
gint w, x, y, z;
gboolean color_ok = FALSE;
GimpRGB color;
read (fd, color_info, sizeof (color_info));
color_space = color_info[1] + (color_info[0] << 8);
w = (guchar) color_info[3] + ((guchar) color_info[2] << 8);
x = (guchar) color_info[5] + ((guchar) color_info[4] << 8);
y = (guchar) color_info[7] + ((guchar) color_info[6] << 8);
z = (guchar) color_info[9] + ((guchar) color_info[8] << 8);
if (color_space == 0) /* RGB */
{
gdouble R = ((gdouble) w) / 65536.0;
gdouble G = ((gdouble) x) / 65536.0;
gdouble B = ((gdouble) y) / 65536.0;
gimp_rgba_set (&color, R, G, B, 1.0);
color_ok = TRUE;
}
else if (color_space == 1) /* HSV */
{
GimpHSV hsv;
gdouble H = ((gdouble) w) / 65536.0;
gdouble S = ((gdouble) x) / 65536.0;
gdouble V = ((gdouble) y) / 65536.0;
gimp_hsva_set (&hsv, H, S, V, 1.0);
gimp_hsv_to_rgb (&hsv, &color);
color_ok = TRUE;
}
else if (color_space == 2) /* CMYK */
{
GimpCMYK cmyk;
gdouble C = 1.0 - (((gdouble) w) / 65536.0);
gdouble M = 1.0 - (((gdouble) x) / 65536.0);
gdouble Y = 1.0 - (((gdouble) y) / 65536.0);
gdouble K = 1.0 - (((gdouble) z) / 65536.0);
gimp_cmyka_set (&cmyk, C, M, Y, K, 1.0);
gimp_cmyk_to_rgb (&cmyk, &color);
color_ok = TRUE;
}
else if (color_space == 8) /* Grayscale */
{
gdouble K = 1.0 - (((gdouble) w) / 10000.0);
gimp_rgba_set (&color, K, K, K, 1.0);
color_ok = TRUE;
}
else if (color_space == 9) /* Wide? CMYK */
{
GimpCMYK cmyk;
gdouble C = 1.0 - (((gdouble) w) / 10000.0);
gdouble M = 1.0 - (((gdouble) x) / 10000.0);
gdouble Y = 1.0 - (((gdouble) y) / 10000.0);
gdouble K = 1.0 - (((gdouble) z) / 10000.0);
gimp_cmyka_set (&cmyk, C, M, Y, K, 1.0);
gimp_cmyk_to_rgb (&cmyk, &color);
color_ok = TRUE;
}
else
{
g_printerr ("Unsupported color space (%d) in ACO file %s\n",
color_space, gimp_filename_to_utf8 (filename));
}
if (format_version == 2)
{
gint number_of_chars;
read (fd, format2_preamble, sizeof (format2_preamble));
number_of_chars = format2_preamble[3] + (format2_preamble[2] << 8);
lseek (fd, number_of_chars * 2, SEEK_SET);
}
if (color_ok)
gimp_palette_add_entry (palette, -1, NULL, &color);
}
close(fd);
return g_list_prepend (NULL, palette);
}
GList *
gimp_palette_load_css (const gchar *filename,
GError **error)
{
GimpPalette *palette;
gchar *name;
FILE *file;
GRegex *regex;
GimpRGB color;
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (filename), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
regex = g_regex_new (".*color.*:(?P<param>.*);", G_REGEX_CASELESS, 0, error);
if (! regex)
return NULL;
file = g_fopen (filename, "rb");
if (! file)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_OPEN,
_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (filename), g_strerror (errno));
return NULL;
}
name = g_filename_display_basename (filename);
palette = GIMP_PALETTE (gimp_palette_new (name));
g_free (name);
do
{
GMatchInfo *matches;
gchar buf[1024];
if (fgets (buf, sizeof (buf), file) != NULL)
{
if (g_regex_match (regex, buf, 0, &matches))
{
gchar *word = g_match_info_fetch_named (matches, "param");
if (gimp_rgb_parse_css (&color, word, -1))
{
if (! gimp_palette_find_entry (palette, &color, NULL))
{
gimp_palette_add_entry (palette, -1, NULL, &color);
}
}
g_free (word);
}
}
} while (! feof (file));
fclose (file);
g_regex_unref (regex);
return g_list_prepend (NULL, palette);
}
GList *
gimp_palette_load_psp (const gchar *filename,
GError **error)
{
GimpPalette *palette;
gchar *palette_name;
gint fd;
guchar color_bytes[4];
gint number_of_colors;
gint data_size;
gint i, j;
gboolean color_ok;
gchar buffer[4096];
/*Maximum valid file size: 256 * 4 * 3 + 256 * 2 ~= 3650 bytes */
gchar **lines;
gchar **ascii_colors;
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (filename), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
fd = g_open (filename, O_RDONLY | _O_BINARY, 0);
if (! fd)
{
g_set_error (error,
G_FILE_ERROR, g_file_error_from_errno (errno),
_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (filename), g_strerror (errno));
return NULL;
}
palette_name = g_filename_display_basename (filename);
palette = GIMP_PALETTE (gimp_palette_new (palette_name));
g_free (palette_name);
lseek (fd, 16, SEEK_SET);
data_size = read (fd, buffer, sizeof (buffer) - 1);
buffer[data_size] = '\0';
lines = g_strsplit (buffer, "\x0d\x0a", -1);
number_of_colors = atoi (lines[0]);
for (i = 0; i < number_of_colors; i++)
{
if (lines[i + 1] == NULL)
{
g_printerr ("Premature end of file reading %s.",
gimp_filename_to_utf8 (filename));
break;
}
ascii_colors = g_strsplit (lines[i + 1], " ", 3);
color_ok = TRUE;
for (j = 0 ; j < 3; j++)
{
if (ascii_colors[j] == NULL)
{
g_printerr ("Corrupted palette file %s.",
gimp_filename_to_utf8 (filename));
color_ok = FALSE;
break;
}
color_bytes[j] = atoi (ascii_colors[j]);
}
if (color_ok)
{
GimpRGB color;
gimp_rgba_set_uchar (&color,
color_bytes[0],
color_bytes[1],
color_bytes[2],
255);
gimp_palette_add_entry (palette, -1, NULL, &color);
}
g_strfreev (ascii_colors);
}
g_strfreev (lines);
close (fd);
return g_list_prepend (NULL, palette);
}
void
gimp_palette_editor_zoom (GimpPaletteEditor *editor,
GimpZoomType zoom_type)
{
GimpPalette *palette;
gdouble zoom_factor;
g_return_if_fail (GIMP_IS_PALETTE_EDITOR (editor));
palette = GIMP_PALETTE (GIMP_DATA_EDITOR (editor)->data);
if (! palette)
return;
zoom_factor = editor->zoom_factor;
switch (zoom_type)
{
case GIMP_ZOOM_IN_MAX:
case GIMP_ZOOM_IN_MORE:
case GIMP_ZOOM_IN:
zoom_factor += 0.1;
break;
case GIMP_ZOOM_OUT_MORE:
case GIMP_ZOOM_OUT:
zoom_factor -= 0.1;
break;
case GIMP_ZOOM_OUT_MAX:
case GIMP_ZOOM_TO: /* abused as ZOOM_ALL */
{
GtkWidget *scrolled_win = GIMP_DATA_EDITOR (editor)->view;
GtkWidget *viewport = gtk_bin_get_child (GTK_BIN (scrolled_win));
GtkAllocation allocation;
gint columns;
gint rows;
gtk_widget_get_allocation (viewport, &allocation);
columns = gimp_palette_get_columns (palette);
if (columns == 0)
columns = COLUMNS;
rows = gimp_palette_get_n_colors (palette) / columns;
if (gimp_palette_get_n_colors (palette) % columns)
rows += 1;
rows = MAX (1, rows);
zoom_factor = (((gdouble) allocation.height - 2 * SPACING) /
(gdouble) rows - SPACING) / ENTRY_HEIGHT;
}
break;
}
zoom_factor = CLAMP (zoom_factor, 0.1, 4.0);
editor->columns = gimp_palette_get_columns (palette);
if (editor->columns == 0)
editor->columns = COLUMNS;
palette_editor_resize (editor, editor->last_width, zoom_factor);
palette_editor_scroll_top_left (editor);
}
static void
gimp_view_renderer_palette_render (GimpViewRenderer *renderer,
GtkWidget *widget)
{
GimpViewRendererPalette *renderpal = GIMP_VIEW_RENDERER_PALETTE (renderer);
GimpPalette *palette;
guchar *row;
guchar *dest;
GList *list;
gdouble cell_width;
gint grid_width;
gint dest_stride;
gint y;
palette = GIMP_PALETTE (renderer->viewable);
if (palette->n_colors < 1)
return;
grid_width = renderpal->draw_grid ? 1 : 0;
if (renderpal->cell_size > 0)
{
if (palette->n_columns > 0)
cell_width = MAX ((gdouble) renderpal->cell_size,
(gdouble) (renderer->width - grid_width) /
(gdouble) palette->n_columns);
else
cell_width = renderpal->cell_size;
}
else
{
if (palette->n_columns > 0)
cell_width = ((gdouble) (renderer->width - grid_width) /
(gdouble) palette->n_columns);
else
cell_width = (gdouble) (renderer->width - grid_width) / 16.0;
}
cell_width = MAX (4.0, cell_width);
renderpal->cell_width = cell_width;
renderpal->columns = (gdouble) (renderer->width - grid_width) / cell_width;
renderpal->rows = palette->n_colors / renderpal->columns;
if (palette->n_colors % renderpal->columns)
renderpal->rows += 1;
renderpal->cell_height = MAX (4, ((renderer->height - grid_width) /
renderpal->rows));
if (! renderpal->draw_grid)
renderpal->cell_height = MIN (renderpal->cell_height,
renderpal->cell_width);
list = palette->colors;
if (! renderer->surface)
renderer->surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
renderer->width,
renderer->height);
cairo_surface_flush (renderer->surface);
row = g_new (guchar, renderer->width * 4);
dest = cairo_image_surface_get_data (renderer->surface);
dest_stride = cairo_image_surface_get_stride (renderer->surface);
for (y = 0; y < renderer->height; y++)
{
if ((y % renderpal->cell_height) == 0)
{
guchar r, g, b;
gint x;
gint n = 0;
guchar *d = row;
memset (row, renderpal->draw_grid ? 0 : 255, renderer->width * 4);
r = g = b = (renderpal->draw_grid ? 0 : 255);
for (x = 0; x < renderer->width; x++, d += 4)
{
if ((x % renderpal->cell_width) == 0)
{
if (list && n < renderpal->columns &&
renderer->width - x >= renderpal->cell_width)
{
GimpPaletteEntry *entry = list->data;
list = g_list_next (list);
n++;
gimp_rgb_get_uchar (&entry->color, &r, &g, &b);
}
else
{
r = g = b = (renderpal->draw_grid ? 0 : 255);
}
}
if (renderpal->draw_grid && (x % renderpal->cell_width) == 0)
{
GIMP_CAIRO_RGB24_SET_PIXEL (d, 0, 0, 0);
}
else
{
GIMP_CAIRO_RGB24_SET_PIXEL (d, r, g, b);
}
}
}
if (renderpal->draw_grid && (y % renderpal->cell_height) == 0)
{
memset (dest, 0, renderer->width * 4);
}
else
{
memcpy (dest, row, renderer->width * 4);
}
dest += dest_stride;
}
g_free (row);
cairo_surface_mark_dirty (renderer->surface);
renderer->needs_render = FALSE;
}
GList *
gimp_palette_load_css (GimpContext *context,
GFile *file,
GInputStream *input,
GError **error)
{
GimpPalette *palette;
GDataInputStream *data_input;
gchar *name;
GRegex *regex;
gchar *buf;
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (G_IS_INPUT_STREAM (input), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
regex = g_regex_new (".*color.*:(?P<param>.*);", G_REGEX_CASELESS, 0, error);
if (! regex)
return NULL;
name = g_path_get_basename (gimp_file_get_utf8_name (file));
palette = GIMP_PALETTE (gimp_palette_new (context, name));
g_free (name);
data_input = g_data_input_stream_new (input);
do
{
gsize buf_len = 1024;
buf = g_data_input_stream_read_line (data_input, &buf_len, NULL, NULL);
if (buf)
{
GMatchInfo *matches;
if (g_regex_match (regex, buf, 0, &matches))
{
GimpRGB color;
gchar *word = g_match_info_fetch_named (matches, "param");
if (gimp_rgb_parse_css (&color, word, -1))
{
if (! gimp_palette_find_entry (palette, &color, NULL))
{
gimp_palette_add_entry (palette, -1, NULL, &color);
}
}
g_free (word);
}
g_match_info_free (matches);
g_free (buf);
}
}
while (buf);
g_regex_unref (regex);
g_object_unref (data_input);
return g_list_prepend (NULL, palette);
}
GList *
gimp_palette_load_aco (GimpContext *context,
GFile *file,
GInputStream *input,
GError **error)
{
GimpPalette *palette;
gchar *palette_name;
gint format_version;
gint number_of_colors;
gint i;
gchar header[4];
gsize bytes_read;
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (G_IS_INPUT_STREAM (input), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
if (! g_input_stream_read_all (input, header, sizeof (header),
&bytes_read, NULL, error) ||
bytes_read != sizeof (header))
{
g_prefix_error (error,
_("Could not read header from palette file '%s': "),
gimp_file_get_utf8_name (file));
return NULL;
}
palette_name = g_path_get_basename (gimp_file_get_utf8_name (file));
palette = GIMP_PALETTE (gimp_palette_new (context, palette_name));
g_free (palette_name);
format_version = header[1] + (header[0] << 8);
number_of_colors = header[3] + (header[2] << 8);
for (i = 0; i < number_of_colors; i++)
{
gchar color_info[10];
gint color_space;
gint w, x, y, z;
gboolean color_ok = FALSE;
GimpRGB color;
GError *my_error = NULL;
if (! g_input_stream_read_all (input, color_info, sizeof (color_info),
&bytes_read, NULL, &my_error) ||
bytes_read != sizeof (color_info))
{
if (palette->colors)
{
g_message (_("Reading palette file '%s': "
"Read %d colors from truncated file: %s"),
gimp_file_get_utf8_name (file),
g_list_length (palette->colors),
my_error ?
my_error->message : _("Premature end of file."));
g_clear_error (&my_error);
break;
}
g_propagate_error (error, my_error);
g_object_unref (palette);
return NULL;
}
color_space = color_info[1] + (color_info[0] << 8);
w = (guchar) color_info[3] + ((guchar) color_info[2] << 8);
x = (guchar) color_info[5] + ((guchar) color_info[4] << 8);
y = (guchar) color_info[7] + ((guchar) color_info[6] << 8);
z = (guchar) color_info[9] + ((guchar) color_info[8] << 8);
if (color_space == 0) /* RGB */
{
gdouble R = ((gdouble) w) / 65536.0;
gdouble G = ((gdouble) x) / 65536.0;
gdouble B = ((gdouble) y) / 65536.0;
gimp_rgba_set (&color, R, G, B, 1.0);
color_ok = TRUE;
}
else if (color_space == 1) /* HSV */
{
GimpHSV hsv;
gdouble H = ((gdouble) w) / 65536.0;
gdouble S = ((gdouble) x) / 65536.0;
gdouble V = ((gdouble) y) / 65536.0;
gimp_hsva_set (&hsv, H, S, V, 1.0);
gimp_hsv_to_rgb (&hsv, &color);
color_ok = TRUE;
}
else if (color_space == 2) /* CMYK */
{
GimpCMYK cmyk;
gdouble C = 1.0 - (((gdouble) w) / 65536.0);
gdouble M = 1.0 - (((gdouble) x) / 65536.0);
gdouble Y = 1.0 - (((gdouble) y) / 65536.0);
gdouble K = 1.0 - (((gdouble) z) / 65536.0);
gimp_cmyka_set (&cmyk, C, M, Y, K, 1.0);
gimp_cmyk_to_rgb (&cmyk, &color);
color_ok = TRUE;
}
else if (color_space == 8) /* Grayscale */
{
gdouble K = 1.0 - (((gdouble) w) / 10000.0);
gimp_rgba_set (&color, K, K, K, 1.0);
color_ok = TRUE;
}
else if (color_space == 9) /* Wide? CMYK */
{
GimpCMYK cmyk;
gdouble C = 1.0 - (((gdouble) w) / 10000.0);
gdouble M = 1.0 - (((gdouble) x) / 10000.0);
gdouble Y = 1.0 - (((gdouble) y) / 10000.0);
gdouble K = 1.0 - (((gdouble) z) / 10000.0);
gimp_cmyka_set (&cmyk, C, M, Y, K, 1.0);
gimp_cmyk_to_rgb (&cmyk, &color);
color_ok = TRUE;
}
else
{
g_printerr ("Unsupported color space (%d) in ACO file %s\n",
color_space, gimp_file_get_utf8_name (file));
}
if (format_version == 2)
{
gchar format2_preamble[4];
gint number_of_chars;
if (! g_input_stream_read_all (input,
format2_preamble,
sizeof (format2_preamble),
&bytes_read, NULL, error) ||
bytes_read != sizeof (format2_preamble))
{
g_object_unref (palette);
return NULL;
}
number_of_chars = format2_preamble[3] + (format2_preamble[2] << 8);
if (! g_seekable_seek (G_SEEKABLE (input), number_of_chars * 2,
G_SEEK_SET, NULL, error))
{
g_object_unref (palette);
return NULL;
}
}
if (color_ok)
gimp_palette_add_entry (palette, -1, NULL, &color);
}
return g_list_prepend (NULL, palette);
}
