* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
*/
-#include "../config.h"
+
+/*
+ * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <X11/Xlib.h>
-#include "gdk.h"
+#include "gdkpixmap.h"
#include "gdkprivate.h"
+#include "gdkx.h"
typedef struct
{
gint transparent;
} _GdkPixmapColor;
+typedef struct
+{
+ guint ncolors;
+ GdkColormap *colormap;
+ gulong pixels[1];
+} _GdkPixmapInfo;
+
+GdkDrawableClass _gdk_x11_pixmap_class;
+
+static void
+gdk_x11_pixmap_destroy (GdkPixmap *pixmap)
+{
+ XFreePixmap (GDK_DRAWABLE_XDISPLAY (pixmap), GDK_DRAWABLE_XID (pixmap));
+ gdk_xid_table_remove (GDK_DRAWABLE_XID (pixmap));
+
+ g_free (GDK_DRAWABLE_XDATA (pixmap));
+}
+
+static GdkDrawable *
+gdk_x11_pixmap_alloc (void)
+{
+ GdkDrawable *drawable;
+ GdkDrawablePrivate *private;
+
+ static GdkDrawableClass klass;
+ static gboolean initialized = FALSE;
+
+ if (!initialized)
+ {
+ initialized = TRUE;
+
+ klass = _gdk_x11_drawable_class;
+ klass.destroy = gdk_x11_pixmap_destroy;
+ }
+
+ drawable = gdk_drawable_alloc ();
+ private = (GdkDrawablePrivate *)drawable;
+
+ private->klass = &klass;
+ private->klass_data = g_new (GdkDrawableXData, 1);
+ private->window_type = GDK_DRAWABLE_PIXMAP;
+
+ return drawable;
+}
+
GdkPixmap*
gdk_pixmap_new (GdkWindow *window,
gint width,
gint depth)
{
GdkPixmap *pixmap;
- GdkWindowPrivate *private;
- GdkWindowPrivate *window_private;
+ GdkDrawablePrivate *private;
+ g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
g_return_val_if_fail ((window != NULL) || (depth != -1), NULL);
-
+ g_return_val_if_fail ((width != 0) && (height != 0), NULL);
+
if (!window)
- window = (GdkWindow*) &gdk_root_parent;
+ window = gdk_parent_root;
- window_private = (GdkWindowPrivate*) window;
- if (window_private->destroyed)
+ if (GDK_DRAWABLE_DESTROYED (window))
return NULL;
if (depth == -1)
- gdk_window_get_geometry (window, NULL, NULL, NULL, NULL, &depth);
-
- private = g_new (GdkWindowPrivate, 1);
- pixmap = (GdkPixmap*) private;
-
- private->xdisplay = window_private->xdisplay;
- private->window_type = GDK_WINDOW_PIXMAP;
- private->xwindow = XCreatePixmap (private->xdisplay, window_private->xwindow,
- width, height, depth);
- private->parent = NULL;
- private->x = 0;
- private->y = 0;
+ depth = gdk_drawable_get_visual (window)->depth;
+
+ pixmap = gdk_x11_pixmap_alloc ();
+ private = (GdkDrawablePrivate *)pixmap;
+
+ GDK_DRAWABLE_XDATA (private)->xdisplay = GDK_DRAWABLE_XDISPLAY (window);
+ GDK_DRAWABLE_XDATA (private)->xid = XCreatePixmap (GDK_DRAWABLE_XDISPLAY (pixmap),
+ GDK_DRAWABLE_XID (window),
+ width, height, depth);
private->width = width;
private->height = height;
- private->resize_count = 0;
- private->ref_count = 1;
- private->destroyed = 0;
- gdk_xid_table_insert (&private->xwindow, pixmap);
+ gdk_xid_table_insert (&GDK_DRAWABLE_XID (pixmap), pixmap);
return pixmap;
}
GdkPixmap *
-gdk_bitmap_create_from_data (GdkWindow *window,
- gchar *data,
- gint width,
- gint height)
+gdk_bitmap_create_from_data (GdkWindow *window,
+ const gchar *data,
+ gint width,
+ gint height)
{
GdkPixmap *pixmap;
- GdkWindowPrivate *private;
- GdkWindowPrivate *window_private;
+ GdkDrawablePrivate *private;
g_return_val_if_fail (data != NULL, NULL);
+ g_return_val_if_fail ((width != 0) && (height != 0), NULL);
+ g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
if (!window)
- window = (GdkWindow*) &gdk_root_parent;
+ window = gdk_parent_root;
- window_private = (GdkWindowPrivate*) window;
- if (window_private->destroyed)
+ if (GDK_DRAWABLE_DESTROYED (window))
return NULL;
- private = g_new (GdkWindowPrivate, 1);
- pixmap = (GdkPixmap*) private;
+ pixmap = gdk_x11_pixmap_alloc ();
+ private = (GdkDrawablePrivate *)pixmap;
- private->parent = NULL;
- private->xdisplay = window_private->xdisplay;
- private->window_type = GDK_WINDOW_PIXMAP;
- private->x = 0;
- private->y = 0;
private->width = width;
private->height = height;
- private->resize_count = 0;
- private->ref_count = 1;
- private->destroyed = FALSE;
- private->xwindow = XCreateBitmapFromData (private->xdisplay,
- window_private->xwindow,
- data, width, height);
+ GDK_DRAWABLE_XDATA (private)->xdisplay = GDK_DRAWABLE_XDISPLAY (window);
+ GDK_DRAWABLE_XDATA (private)->xid = XCreateBitmapFromData (GDK_DRAWABLE_XDISPLAY (window),
+ GDK_DRAWABLE_XID (window),
+ (char *)data, width, height);
- gdk_xid_table_insert (&private->xwindow, pixmap);
+ gdk_xid_table_insert (&GDK_DRAWABLE_XID (pixmap), pixmap);
return pixmap;
}
GdkPixmap*
-gdk_pixmap_create_from_data (GdkWindow *window,
- gchar *data,
- gint width,
- gint height,
- gint depth,
- GdkColor *fg,
- GdkColor *bg)
+gdk_pixmap_create_from_data (GdkWindow *window,
+ const gchar *data,
+ gint width,
+ gint height,
+ gint depth,
+ GdkColor *fg,
+ GdkColor *bg)
{
GdkPixmap *pixmap;
- GdkWindowPrivate *private;
- GdkWindowPrivate *window_private;
+ GdkDrawablePrivate *private;
+ g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
g_return_val_if_fail (data != NULL, NULL);
g_return_val_if_fail (fg != NULL, NULL);
g_return_val_if_fail (bg != NULL, NULL);
g_return_val_if_fail ((window != NULL) || (depth != -1), NULL);
+ g_return_val_if_fail ((width != 0) && (height != 0), NULL);
if (!window)
- window = (GdkWindow*) &gdk_root_parent;
+ window = gdk_parent_root;
- window_private = (GdkWindowPrivate*) window;
- if (window_private->destroyed)
+ if (GDK_DRAWABLE_DESTROYED (window))
return NULL;
if (depth == -1)
- gdk_window_get_geometry (window, NULL, NULL, NULL, NULL, &depth);
+ depth = gdk_drawable_get_visual (window)->depth;
- private = g_new (GdkWindowPrivate, 1);
- pixmap = (GdkPixmap*) private;
+ pixmap = gdk_x11_pixmap_alloc ();
+ private = (GdkDrawablePrivate *)pixmap;
- private->parent = NULL;
- private->xdisplay = window_private->xdisplay;
- private->window_type = GDK_WINDOW_PIXMAP;
- private->x = 0;
- private->y = 0;
private->width = width;
private->height = height;
- private->resize_count = 0;
- private->ref_count = 1;
- private->destroyed = FALSE;
- private->xwindow = XCreatePixmapFromBitmapData (private->xdisplay,
- window_private->xwindow,
- data, width, height,
- fg->pixel, bg->pixel, depth);
+ GDK_DRAWABLE_XDATA (private)->xdisplay = GDK_DRAWABLE_XDISPLAY (window);
+ GDK_DRAWABLE_XDATA (private)->xid = XCreatePixmapFromBitmapData (GDK_DRAWABLE_XDISPLAY (window),
+ GDK_DRAWABLE_XID (window),
+ (char *)data, width, height,
+ fg->pixel, bg->pixel, depth);
- gdk_xid_table_insert (&private->xwindow, pixmap);
+ gdk_xid_table_insert (&GDK_DRAWABLE_XID (pixmap), pixmap);
return pixmap;
}
-gint
+static gint
gdk_pixmap_seek_string (FILE *infile,
const gchar *str,
gint skip_comments)
{
char instr[1024];
- while (!feof (infile))
+ while (1)
{
- fscanf (infile, "%s", instr);
+ if (fscanf (infile, "%1023s", instr) != 1)
+ return FALSE;
+
if (skip_comments == TRUE && strcmp (instr, "/*") == 0)
{
- fscanf (infile, "%s", instr);
- while (!feof (infile) && strcmp (instr, "*/") != 0)
- fscanf (infile, "%s", instr);
- fscanf(infile, "%s", instr);
+ do
+ {
+ if (fscanf (infile, "%1023s", instr) != 1)
+ return FALSE;
+ }
+ while (strcmp (instr, "*/") != 0);
}
- if (strcmp (instr, str)==0)
+ else if (strcmp (instr, str) == 0)
return TRUE;
}
-
- return FALSE;
}
-gint
+static gint
gdk_pixmap_seek_char (FILE *infile,
gchar c)
{
- gchar b, oldb;
+ gint b, oldb;
- while (!feof (infile))
+ while ((b = getc(infile)) != EOF)
{
- fscanf(infile, "%c", &b);
if (c != b && b == '/')
- {
- fscanf (infile, "%c", &b);
- if (b == '*')
- {
- oldb = b;
- while (!feof (infile) && !(oldb == '*' && b == '/'))
- {
- oldb = b;
- fscanf (infile, "%c", &b);
- }
- fscanf (infile, "%c", &b);
- }
+ {
+ b = getc (infile);
+ if (b == EOF)
+ return FALSE;
+ else if (b == '*') /* we have a comment */
+ {
+ b = -1;
+ do
+ {
+ oldb = b;
+ b = getc (infile);
+ if (b == EOF)
+ return FALSE;
+ }
+ while (!(oldb == '*' && b == '/'));
+ }
}
- if (c == b)
- return TRUE;
+ else if (c == b)
+ return TRUE;
}
-
return FALSE;
}
-gint
+static gint
gdk_pixmap_read_string (FILE *infile,
gchar **buffer,
guint *buffer_size)
{
- gchar c;
- guint cnt = 0;
+ gint c;
+ guint cnt = 0, bufsiz, ret = FALSE;
+ gchar *buf;
- if ((*buffer) == NULL)
+ buf = *buffer;
+ bufsiz = *buffer_size;
+ if (buf == NULL)
{
- (*buffer_size) = 10 * sizeof (gchar);
- (*buffer) = (gchar *) malloc (*buffer_size);
+ bufsiz = 10 * sizeof (gchar);
+ buf = g_new(gchar, bufsiz);
}
do
- fscanf (infile, "%c", &c);
- while (!feof (infile) && c != '"');
+ c = getc (infile);
+ while (c != EOF && c != '"');
if (c != '"')
- return FALSE;
+ goto out;
- while (!feof (infile))
+ while ((c = getc(infile)) != EOF)
{
- fscanf (infile, "%c", &c);
-
- if (cnt == (*buffer_size))
+ if (cnt == bufsiz)
{
- (*buffer_size) *= 2;
- (*buffer) = (gchar *) realloc ((*buffer), *buffer_size);
+ guint new_size = bufsiz * 2;
+ if (new_size > bufsiz)
+ bufsiz = new_size;
+ else
+ goto out;
+
+ buf = (gchar *) g_realloc (buf, bufsiz);
+ buf[bufsiz-1] = '\0';
}
if (c != '"')
- (*buffer)[cnt++] = c;
+ buf[cnt++] = c;
else
{
- (*buffer)[cnt++] = 0;
- return TRUE;
+ buf[cnt] = 0;
+ ret = TRUE;
+ break;
}
}
- return FALSE;
+ out:
+ buf[bufsiz-1] = '\0'; /* ensure null termination for errors */
+ *buffer = buf;
+ *buffer_size = bufsiz;
+ return ret;
}
-gchar*
+static gchar*
gdk_pixmap_skip_whitespaces (gchar *buffer)
{
gint32 index = 0;
return &buffer[index];
}
-gchar*
+static gchar*
gdk_pixmap_skip_string (gchar *buffer)
{
gint32 index = 0;
return &buffer[index];
}
-gchar*
+/* Xlib crashed ince at a color name lengths around 125 */
+#define MAX_COLOR_LEN 120
+
+static gchar*
gdk_pixmap_extract_color (gchar *buffer)
{
- gint counter, finished = FALSE, numnames;
+ gint counter, numnames;
gchar *ptr = NULL, ch, temp[128];
- gchar color[128], *retcol;
+ gchar color[MAX_COLOR_LEN], *retcol;
+ gint space;
counter = 0;
while (ptr == NULL)
counter++;
}
- if (ptr == NULL)
- return NULL;
-
ptr = gdk_pixmap_skip_whitespaces (ptr);
if (ptr[0] == 0)
return NULL;
else if (ptr[0] == '#')
{
- retcol = g_new(gchar, strlen (ptr) + 1);
- strcpy (retcol, ptr);
+ counter = 1;
+ while (ptr[counter] != 0 &&
+ ((ptr[counter] >= '0' && ptr[counter] <= '9') ||
+ (ptr[counter] >= 'a' && ptr[counter] <= 'f') ||
+ (ptr[counter] >= 'A' && ptr[counter] <= 'F')))
+ counter++;
+
+ retcol = g_new (gchar, counter+1);
+ strncpy (retcol, ptr, counter);
+
+ retcol[counter] = 0;
+
return retcol;
}
color[0] = 0;
numnames = 0;
- while (finished == FALSE)
+ space = MAX_COLOR_LEN - 1;
+ while (space > 0)
{
- sscanf (ptr, "%s", temp);
+ sscanf (ptr, "%127s", temp);
- if ((gint)ptr[0] == 0 || strcmp ("s", temp) == 0 || strcmp ("m", temp) == 0 ||
- strcmp ("g", temp) == 0 || strcmp ("g4", temp) == 0)
- finished = TRUE;
+ if (((gint)ptr[0] == 0) ||
+ (strcmp ("s", temp) == 0) || (strcmp ("m", temp) == 0) ||
+ (strcmp ("g", temp) == 0) || (strcmp ("g4", temp) == 0))
+ {
+ break;
+ }
else
{
if (numnames > 0)
- strcat (color, " ");
- strcat (color, temp);
+ {
+ space -= 1;
+ strcat (color, " ");
+ }
+ strncat (color, temp, space);
+ space -= MIN (space, strlen (temp));
ptr = gdk_pixmap_skip_string (ptr);
ptr = gdk_pixmap_skip_whitespaces (ptr);
numnames++;
}
}
- retcol = g_new(gchar, strlen (color) + 1);
- strcpy (retcol, color);
+ retcol = g_strdup (color);
return retcol;
}
-GdkPixmap*
-gdk_pixmap_create_from_xpm (GdkWindow *window,
- GdkBitmap **mask,
- GdkColor *transparent_color,
- const gchar *filename)
+enum buffer_op
{
- FILE *infile = NULL;
- GdkPixmap *pixmap = NULL;
- GdkImage *image = NULL;
- GdkColormap *colormap;
- GdkVisual *visual;
- GdkGC *gc;
- GdkColor tmp_color;
- gint width, height, num_cols, cpp, cnt, n, ns, xcnt, ycnt;
- gchar *buffer = NULL, *color_name = NULL, pixel_str[32];
- guint buffer_size = 0;
- _GdkPixmapColor *colors = NULL, *color = NULL;
- gulong index;
-
- g_return_val_if_fail (window != NULL, NULL);
+ op_header,
+ op_cmap,
+ op_body
+};
+
+
+static void
+gdk_xpm_destroy_notify (gpointer data)
+{
+ _GdkPixmapInfo *info = (_GdkPixmapInfo *)data;
+ GdkColor color;
+ int i;
- infile = fopen (filename, "rb");
- if (infile != NULL)
+ for (i=0; i<info->ncolors; i++)
{
- if (gdk_pixmap_seek_string (infile, "XPM", FALSE) == TRUE)
- {
- if (gdk_pixmap_seek_char (infile,'{') == TRUE)
- {
- gdk_pixmap_seek_char (infile, '"');
- fseek (infile, -1, SEEK_CUR);
- gdk_pixmap_read_string (infile, &buffer, &buffer_size);
-
- sscanf (buffer,"%d %d %d %d", &width, &height, &num_cols, &cpp);
-
- colors = g_new(_GdkPixmapColor, num_cols);
-
- colormap = gdk_window_get_colormap (window);
- visual = gdk_window_get_visual (window);
-
- if (transparent_color == NULL)
- {
- gdk_color_white (colormap, &tmp_color);
- transparent_color = &tmp_color;
- }
-
- for (cnt = 0; cnt < num_cols; cnt++)
- {
- gdk_pixmap_seek_char (infile, '"');
- fseek (infile, -1, SEEK_CUR);
- gdk_pixmap_read_string (infile, &buffer, &buffer_size);
-
- colors[cnt].color_string = g_new(gchar, cpp + 1);
- for (n = 0; n < cpp; n++)
- colors[cnt].color_string[n] = buffer[n];
- colors[cnt].color_string[n] = 0;
- colors[cnt].transparent = FALSE;
-
- if (color_name != NULL)
- g_free (color_name);
-
- color_name = gdk_pixmap_extract_color (&buffer[cpp]);
-
- if (color_name != NULL)
- {
- if (gdk_color_parse (color_name, &colors[cnt].color) == FALSE)
- {
- colors[cnt].color = *transparent_color;
- colors[cnt].transparent = TRUE;
- }
- }
- else
- {
- colors[cnt].color = *transparent_color;
- colors[cnt].transparent = TRUE;
- }
-
- gdk_color_alloc (colormap, &colors[cnt].color);
- }
-
- index = 0;
- image = gdk_image_new (GDK_IMAGE_FASTEST, visual, width, height);
-
- gc = NULL;
- if (mask)
- {
- /* The pixmap mask is just a bits pattern.
- * Color 0 is used for background and 1 for foreground.
- * We don't care about the colormap, we just need 0 and 1.
- */
- GdkColor mask_pattern;
-
- *mask = gdk_pixmap_new (window, width, height, 1);
- gc = gdk_gc_new (*mask);
-
- mask_pattern.pixel = 0;
- gdk_gc_set_foreground (gc, &mask_pattern);
- gdk_draw_rectangle (*mask, gc, TRUE, 0, 0, -1, -1);
-
- mask_pattern.pixel = 1;
- gdk_gc_set_foreground (gc, &mask_pattern);
- }
-
- for (ycnt = 0; ycnt < height; ycnt++)
- {
- gdk_pixmap_read_string (infile, &buffer, &buffer_size);
-
- for (n = 0, cnt = 0, xcnt = 0; n < (width * cpp); n += cpp, xcnt++)
- {
- strncpy (pixel_str, &buffer[n], cpp);
- pixel_str[cpp] = 0;
- color = NULL;
- ns = 0;
-
- while (color == NULL)
- {
- if (strcmp (pixel_str, colors[ns].color_string) == 0)
- color = &colors[ns];
- else
- ns++;
- }
-
- gdk_image_put_pixel (image, xcnt, ycnt, color->color.pixel);
-
- if (mask && color->transparent)
- {
- if (cnt < xcnt)
- gdk_draw_line (*mask, gc, cnt, ycnt, xcnt - 1, ycnt);
- cnt = xcnt + 1;
- }
- }
-
- if (mask && (cnt < xcnt))
- gdk_draw_line (*mask, gc, cnt, ycnt, xcnt - 1, ycnt);
- }
-
- if (mask)
- gdk_gc_destroy (gc);
-
- pixmap = gdk_pixmap_new (window, width, height, visual->depth);
-
- gc = gdk_gc_new (pixmap);
- gdk_gc_set_foreground (gc, transparent_color);
- gdk_draw_image (pixmap, gc, image, 0, 0, 0, 0, image->width, image->height);
- gdk_gc_destroy (gc);
- gdk_image_destroy (image);
- }
- }
-
- fclose (infile);
- free (buffer);
-
- if (colors != NULL)
- {
- for (cnt = 0; cnt < num_cols; cnt++)
- g_free (colors[cnt].color_string);
- g_free (colors);
- }
+ color.pixel = info->pixels[i];
+ gdk_colormap_free_colors (info->colormap, &color, 1);
}
- return pixmap;
+ gdk_colormap_unref (info->colormap);
+ g_free (info);
}
-
-GdkPixmap*
-gdk_pixmap_create_from_xpm_d (GdkWindow *window,
- GdkBitmap **mask,
- GdkColor *transparent_color,
- gchar **data)
+
+static GdkPixmap *
+_gdk_pixmap_create_from_xpm (GdkWindow *window,
+ GdkColormap *colormap,
+ GdkBitmap **mask,
+ GdkColor *transparent_color,
+ gchar * (*get_buf) (enum buffer_op op,
+ gpointer handle),
+ gpointer handle)
{
GdkPixmap *pixmap = NULL;
GdkImage *image = NULL;
- GdkColormap *colormap;
GdkVisual *visual;
- GdkGC *gc;
+ GdkGC *gc = NULL;
GdkColor tmp_color;
- gint width, height, num_cols, cpp, cnt, n, ns, xcnt, ycnt, i;
- gchar *buffer, *color_name = NULL, pixel_str[32];
- _GdkPixmapColor *colors = NULL, *color = NULL;
+ gint width, height, num_cols, cpp, n, ns, cnt, xcnt, ycnt, wbytes;
+ gchar *buffer, pixel_str[32];
+ gchar *name_buf;
+ _GdkPixmapColor *color = NULL, *fallbackcolor = NULL;
+ _GdkPixmapColor *colors = NULL;
gulong index;
-
- g_return_val_if_fail (window != NULL, NULL);
-
- i = 0;
- buffer = data[i++];
+ GHashTable *color_hash = NULL;
+ _GdkPixmapInfo *color_info = NULL;
+
+ if ((window == NULL) && (colormap == NULL))
+ g_warning ("Creating pixmap from xpm with NULL window and colormap");
+
+ if (window == NULL)
+ window = gdk_parent_root;
+
+ if (colormap == NULL)
+ {
+ colormap = gdk_drawable_get_colormap (window);
+ visual = gdk_drawable_get_visual (window);
+ }
+ else
+ visual = ((GdkColormapPrivate *)colormap)->visual;
+
+ buffer = (*get_buf) (op_header, handle);
+ if (buffer == NULL)
+ return NULL;
+
sscanf (buffer,"%d %d %d %d", &width, &height, &num_cols, &cpp);
-
- colors = g_new(_GdkPixmapColor, num_cols);
-
- colormap = gdk_window_get_colormap (window);
- visual = gdk_window_get_visual (window);
-
- if (transparent_color == NULL)
+ if (cpp >= 32)
+ {
+ g_warning ("Pixmap has more than 31 characters per color\n");
+ return NULL;
+ }
+
+ color_hash = g_hash_table_new (g_str_hash, g_str_equal);
+
+ if (transparent_color == NULL)
{
gdk_color_white (colormap, &tmp_color);
transparent_color = &tmp_color;
}
- for (cnt = 0; cnt < num_cols; cnt++)
+ /* For pseudo-color and grayscale visuals, we have to remember
+ * the colors we allocated, so we can free them later.
+ */
+ if ((visual->type == GDK_VISUAL_PSEUDO_COLOR) ||
+ (visual->type == GDK_VISUAL_GRAYSCALE))
{
- buffer = data[i++];
-
- colors[cnt].color_string = g_new(gchar, cpp + 1);
- for (n = 0; n < cpp; n++)
- colors[cnt].color_string[n] = buffer[n];
- colors[cnt].color_string[n] = 0;
- colors[cnt].transparent = FALSE;
-
- if (color_name != NULL)
- g_free (color_name);
+ color_info = g_malloc (sizeof (_GdkPixmapInfo) +
+ sizeof(gulong) * (num_cols - 1));
+ color_info->ncolors = num_cols;
+ color_info->colormap = colormap;
+ gdk_colormap_ref (colormap);
+ }
- color_name = gdk_pixmap_extract_color (&buffer[cpp]);
+ name_buf = g_new (gchar, num_cols * (cpp+1));
+ colors = g_new (_GdkPixmapColor, num_cols);
- if (color_name != NULL)
- {
- if (gdk_color_parse (color_name, &colors[cnt].color) == FALSE)
- {
- colors[cnt].color = *transparent_color;
- colors[cnt].transparent = TRUE;
- }
- }
- else
+ for (cnt = 0; cnt < num_cols; cnt++)
+ {
+ gchar *color_name;
+
+ buffer = (*get_buf) (op_cmap, handle);
+ if (buffer == NULL)
+ goto error;
+
+ color = &colors[cnt];
+ color->color_string = &name_buf [cnt * (cpp + 1)];
+ strncpy (color->color_string, buffer, cpp);
+ color->color_string[cpp] = 0;
+ buffer += strlen (color->color_string);
+ color->transparent = FALSE;
+
+ color_name = gdk_pixmap_extract_color (buffer);
+
+ if (color_name == NULL || g_strcasecmp (color_name, "None") == 0 ||
+ gdk_color_parse (color_name, &color->color) == FALSE)
{
- colors[cnt].color = *transparent_color;
- colors[cnt].transparent = TRUE;
+ color->color = *transparent_color;
+ color->transparent = TRUE;
}
-
- gdk_color_alloc (colormap, &colors[cnt].color);
+
+ g_free (color_name);
+
+ /* FIXME: The remaining slowness appears to happen in this
+ function. */
+ gdk_color_alloc (colormap, &color->color);
+
+ if (color_info)
+ color_info->pixels[cnt] = color->color.pixel;
+
+ g_hash_table_insert (color_hash, color->color_string, color);
+ if (cnt == 0)
+ fallbackcolor = color;
}
-
+
index = 0;
image = gdk_image_new (GDK_IMAGE_FASTEST, visual, width, height);
-
- gc = NULL;
+
if (mask)
{
/* The pixmap mask is just a bits pattern.
* We don't care about the colormap, we just need 0 and 1.
*/
GdkColor mask_pattern;
-
+
*mask = gdk_pixmap_new (window, width, height, 1);
gc = gdk_gc_new (*mask);
-
+
mask_pattern.pixel = 0;
gdk_gc_set_foreground (gc, &mask_pattern);
gdk_draw_rectangle (*mask, gc, TRUE, 0, 0, -1, -1);
-
+
mask_pattern.pixel = 1;
gdk_gc_set_foreground (gc, &mask_pattern);
}
-
+
+ wbytes = width * cpp;
for (ycnt = 0; ycnt < height; ycnt++)
{
- buffer = data[i++];
-
- for (n = 0, cnt = 0, xcnt = 0; n < (width * cpp); n += cpp, xcnt++)
+ buffer = (*get_buf) (op_body, handle);
+
+ /* FIXME: this slows things down a little - it could be
+ * integrated into the strncpy below, perhaps. OTOH, strlen
+ * is fast.
+ */
+ if ((buffer == NULL) || strlen (buffer) < wbytes)
+ continue;
+
+ for (n = 0, cnt = 0, xcnt = 0; n < wbytes; n += cpp, xcnt++)
{
strncpy (pixel_str, &buffer[n], cpp);
pixel_str[cpp] = 0;
- color = NULL;
ns = 0;
-
- while (color == NULL)
- {
- if (strcmp (pixel_str, colors[ns].color_string) == 0)
- color = &colors[ns];
- else
- ns++;
- }
-
+
+ color = g_hash_table_lookup (color_hash, pixel_str);
+
+ if (!color) /* screwed up XPM file */
+ color = fallbackcolor;
+
gdk_image_put_pixel (image, xcnt, ycnt, color->color.pixel);
-
+
if (mask && color->transparent)
{
if (cnt < xcnt)
cnt = xcnt + 1;
}
}
-
+
if (mask && (cnt < xcnt))
gdk_draw_line (*mask, gc, cnt, ycnt, xcnt - 1, ycnt);
}
-
+
+ error:
+
if (mask)
- gdk_gc_destroy (gc);
+ gdk_gc_unref (gc);
+
+ if (image != NULL)
+ {
+ pixmap = gdk_pixmap_new (window, width, height, visual->depth);
+
+ if (color_info)
+ gdk_drawable_set_data (pixmap, "gdk-xpm", color_info,
+ gdk_xpm_destroy_notify);
+
+ gc = gdk_gc_new (pixmap);
+ gdk_gc_set_foreground (gc, transparent_color);
+ gdk_draw_image (pixmap, gc, image, 0, 0, 0, 0, image->width, image->height);
+ gdk_gc_unref (gc);
+ gdk_image_unref (image);
+ }
+ else if (color_info)
+ gdk_xpm_destroy_notify (color_info);
+
+ if (color_hash != NULL)
+ g_hash_table_destroy (color_hash);
- pixmap = gdk_pixmap_new (window, width, height, visual->depth);
+ if (colors != NULL)
+ g_free (colors);
- gc = gdk_gc_new (pixmap);
- gdk_gc_set_foreground (gc, transparent_color);
- gdk_draw_image (pixmap, gc, image, 0, 0, 0, 0, image->width, image->height);
- gdk_gc_destroy (gc);
- gdk_image_destroy (image);
+ if (name_buf != NULL)
+ g_free (name_buf);
- if (colors != NULL)
+ return pixmap;
+}
+
+
+struct file_handle
+{
+ FILE *infile;
+ gchar *buffer;
+ guint buffer_size;
+};
+
+
+static gchar *
+file_buffer (enum buffer_op op, gpointer handle)
+{
+ struct file_handle *h = handle;
+
+ switch (op)
{
- for (cnt = 0; cnt < num_cols; cnt++)
- g_free (colors[cnt].color_string);
- g_free (colors);
+ case op_header:
+ if (gdk_pixmap_seek_string (h->infile, "XPM", FALSE) != TRUE)
+ break;
+
+ if (gdk_pixmap_seek_char (h->infile,'{') != TRUE)
+ break;
+ /* Fall through to the next gdk_pixmap_seek_char. */
+
+ case op_cmap:
+ gdk_pixmap_seek_char (h->infile, '"');
+ fseek (h->infile, -1, SEEK_CUR);
+ /* Fall through to the gdk_pixmap_read_string. */
+
+ case op_body:
+ gdk_pixmap_read_string (h->infile, &h->buffer, &h->buffer_size);
+ return h->buffer;
}
-
- return pixmap;
+ return 0;
}
+
GdkPixmap*
-gdk_pixmap_ref (GdkPixmap *pixmap)
+gdk_pixmap_colormap_create_from_xpm (GdkWindow *window,
+ GdkColormap *colormap,
+ GdkBitmap **mask,
+ GdkColor *transparent_color,
+ const gchar *filename)
{
- GdkWindowPrivate *private = (GdkWindowPrivate *)pixmap;
- g_return_val_if_fail (pixmap != NULL, NULL);
+ struct file_handle h;
+ GdkPixmap *pixmap = NULL;
+
+ memset (&h, 0, sizeof (h));
+ h.infile = fopen (filename, "rb");
+ if (h.infile != NULL)
+ {
+ pixmap = _gdk_pixmap_create_from_xpm (window, colormap, mask,
+ transparent_color,
+ file_buffer, &h);
+ fclose (h.infile);
+ g_free (h.buffer);
+ }
- private->ref_count += 1;
return pixmap;
}
-void
-gdk_pixmap_unref (GdkPixmap *pixmap)
+GdkPixmap*
+gdk_pixmap_create_from_xpm (GdkWindow *window,
+ GdkBitmap **mask,
+ GdkColor *transparent_color,
+ const gchar *filename)
{
- GdkWindowPrivate *private = (GdkWindowPrivate *)pixmap;
- g_return_if_fail(pixmap != NULL);
+ return gdk_pixmap_colormap_create_from_xpm (window, NULL, mask,
+ transparent_color, filename);
+}
+
+
+struct mem_handle
+{
+ gchar **data;
+ int offset;
+};
+
- private->ref_count -= 1;
- if (private->ref_count == 0)
+static gchar *
+mem_buffer (enum buffer_op op, gpointer handle)
+{
+ struct mem_handle *h = handle;
+ switch (op)
{
- XFreePixmap (private->xdisplay, private->xwindow);
- gdk_xid_table_remove (private->xwindow);
- g_free (private);
+ case op_header:
+ case op_cmap:
+ case op_body:
+ if (h->data[h->offset])
+ return h->data[h->offset ++];
}
+ return 0;
}
-GdkBitmap *
-gdk_bitmap_ref (GdkBitmap *bitmap)
+
+GdkPixmap*
+gdk_pixmap_colormap_create_from_xpm_d (GdkWindow *window,
+ GdkColormap *colormap,
+ GdkBitmap **mask,
+ GdkColor *transparent_color,
+ gchar **data)
{
- return (GdkBitmap *)gdk_pixmap_ref ((GdkPixmap *)bitmap);
+ struct mem_handle h;
+ GdkPixmap *pixmap = NULL;
+
+ memset (&h, 0, sizeof (h));
+ h.data = data;
+ pixmap = _gdk_pixmap_create_from_xpm (window, colormap, mask,
+ transparent_color,
+ mem_buffer, &h);
+ return pixmap;
}
-void
-gdk_bitmap_unref (GdkBitmap *bitmap)
+
+GdkPixmap*
+gdk_pixmap_create_from_xpm_d (GdkWindow *window,
+ GdkBitmap **mask,
+ GdkColor *transparent_color,
+ gchar **data)
{
- gdk_pixmap_unref ((GdkPixmap *)bitmap);
+ return gdk_pixmap_colormap_create_from_xpm_d (window, NULL, mask,
+ transparent_color, data);
+}
+
+GdkPixmap*
+gdk_pixmap_foreign_new (guint32 anid)
+{
+ GdkPixmap *pixmap;
+ GdkDrawablePrivate *private;
+ Pixmap xpixmap;
+ Window root_return;
+ unsigned int x_ret, y_ret, w_ret, h_ret, bw_ret, depth_ret;
+
+ /* check to make sure we were passed something at
+ least a little sane */
+ g_return_val_if_fail((anid != 0), NULL);
+
+ /* set the pixmap to the passed in value */
+ xpixmap = anid;
+
+ /* get information about the Pixmap to fill in the structure for
+ the gdk window */
+ if (!XGetGeometry(GDK_DISPLAY(),
+ xpixmap, &root_return,
+ &x_ret, &y_ret, &w_ret, &h_ret, &bw_ret, &depth_ret))
+ return NULL;
+
+ pixmap = gdk_x11_pixmap_alloc ();
+ private = (GdkDrawablePrivate *)pixmap;
+
+ GDK_DRAWABLE_XDATA (private)->xdisplay = GDK_DISPLAY ();
+ GDK_DRAWABLE_XDATA (private)->xid = xpixmap;
+
+ private->width = w_ret;
+ private->height = h_ret;
+
+ gdk_xid_table_insert(&GDK_DRAWABLE_XID (pixmap), pixmap);
+
+ return pixmap;
}