#include <glib.h>
#include <glib/gi18n.h>
#include <pango/pangocairo.h>
+#include "bc-backends.h"
#include "debug.h"
-
/*========================================================*/
/* Private macros and constants. */
/*========================================================*/
#define FONT_SCALE (72.0/96.0)
+#define PI 3.141592654
/*========================================================*/
/*========================================================*/
struct _glLabelBarcodePrivate {
- glTextNode *text_node;
- gchar *id;
- glColorNode *color_node;
- gboolean text_flag;
- gboolean checksum_flag;
- guint format_digits;
+ glTextNode *text_node;
+ gchar *id;
+ glColorNode *color_node;
+ gboolean text_flag;
+ gboolean checksum_flag;
+ guint format_digits;
};
static void gl_label_barcode_finalize (GObject *object);
static void copy (glLabelObject *dst_object,
- glLabelObject *src_object);
+ glLabelObject *src_object);
static void get_size (glLabelObject *object,
- gdouble *w,
- gdouble *h);
+ gdouble *w,
+ gdouble *h);
static void set_line_color (glLabelObject *object,
- glColorNode *line_color,
+ glColorNode *line_color,
gboolean checkpoint);
static glColorNode *get_line_color (glLabelObject *object);
static void
gl_label_barcode_class_init (glLabelBarcodeClass *class)
{
- GObjectClass *object_class = G_OBJECT_CLASS (class);
- glLabelObjectClass *label_object_class = GL_LABEL_OBJECT_CLASS (class);
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+ glLabelObjectClass *label_object_class = GL_LABEL_OBJECT_CLASS (class);
- gl_label_barcode_parent_class = g_type_class_peek_parent (class);
+ gl_label_barcode_parent_class = g_type_class_peek_parent (class);
- label_object_class->copy = copy;
- label_object_class->get_size = get_size;
- label_object_class->set_line_color = set_line_color;
- label_object_class->get_line_color = get_line_color;
+ label_object_class->copy = copy;
+ label_object_class->get_size = get_size;
+ label_object_class->set_line_color = set_line_color;
+ label_object_class->get_line_color = get_line_color;
label_object_class->draw_object = draw_object;
label_object_class->draw_shadow = NULL;
label_object_class->object_at = object_at;
- object_class->finalize = gl_label_barcode_finalize;
+ object_class->finalize = gl_label_barcode_finalize;
}
static void
gl_label_barcode_init (glLabelBarcode *lbc)
{
- lbc->priv = g_new0 (glLabelBarcodePrivate, 1);
- lbc->priv->text_node = gl_text_node_new_from_text ("");
+ lbc->priv = g_new0 (glLabelBarcodePrivate, 1);
+ lbc->priv->text_node = gl_text_node_new_from_text ("");
}
static void
gl_label_barcode_finalize (GObject *object)
{
- glLabelBarcode *lbc = GL_LABEL_BARCODE (object);
+ glLabelBarcode *lbc = GL_LABEL_BARCODE (object);
- g_return_if_fail (object && GL_IS_LABEL_BARCODE (object));
+ g_return_if_fail (object && GL_IS_LABEL_BARCODE (object));
- gl_text_node_free (&lbc->priv->text_node);
- g_free (lbc->priv->id);
- gl_color_node_free (&(lbc->priv->color_node));
- g_free (lbc->priv);
+ gl_text_node_free (&lbc->priv->text_node);
+ g_free (lbc->priv->id);
+ gl_color_node_free (&(lbc->priv->color_node));
+ g_free (lbc->priv);
- G_OBJECT_CLASS (gl_label_barcode_parent_class)->finalize (object);
+ G_OBJECT_CLASS (gl_label_barcode_parent_class)->finalize (object);
}
gl_label_barcode_new (glLabel *label,
gboolean checkpoint)
{
- glLabelBarcode *lbc;
- glColorNode *line_color_node;
+ glLabelBarcode *lbc;
+ glColorNode *line_color_node;
- lbc = g_object_new (gl_label_barcode_get_type(), NULL);
+ lbc = g_object_new (gl_label_barcode_get_type(), NULL);
if (label != NULL)
{
gl_label_object_set_parent (GL_LABEL_OBJECT (lbc), label);
}
- return G_OBJECT (lbc);
+ return G_OBJECT (lbc);
}
copy (glLabelObject *dst_object,
glLabelObject *src_object)
{
- glLabelBarcode *lbc = (glLabelBarcode *)src_object;
- glLabelBarcode *new_lbc = (glLabelBarcode *)dst_object;
- glTextNode *text_node;
- gchar *id;
- gboolean text_flag;
- gboolean checksum_flag;
- glColorNode *color_node;
- guint format_digits;
+ glLabelBarcode *lbc = (glLabelBarcode *)src_object;
+ glLabelBarcode *new_lbc = (glLabelBarcode *)dst_object;
+ glTextNode *text_node;
+ gchar *id;
+ gboolean text_flag;
+ gboolean checksum_flag;
+ glColorNode *color_node;
+ guint format_digits;
- gl_debug (DEBUG_LABEL, "START");
+ gl_debug (DEBUG_LABEL, "START");
- g_return_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc));
- g_return_if_fail (new_lbc && GL_IS_LABEL_BARCODE (new_lbc));
+ g_return_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc));
+ g_return_if_fail (new_lbc && GL_IS_LABEL_BARCODE (new_lbc));
- text_node = gl_label_barcode_get_data (lbc);
- gl_label_barcode_get_props (lbc, &id, &text_flag, &checksum_flag, &format_digits);
- color_node = get_line_color (src_object);
+ text_node = gl_label_barcode_get_data (lbc);
+ gl_label_barcode_get_props (lbc, &id, &text_flag, &checksum_flag, &format_digits);
+ color_node = get_line_color (src_object);
- gl_label_barcode_set_data (new_lbc, text_node, FALSE);
- gl_label_barcode_set_props (new_lbc, id, text_flag, checksum_flag, format_digits, FALSE);
- set_line_color (dst_object, color_node, FALSE);
+ gl_label_barcode_set_data (new_lbc, text_node, FALSE);
+ gl_label_barcode_set_props (new_lbc, id, text_flag, checksum_flag, format_digits, FALSE);
+ set_line_color (dst_object, color_node, FALSE);
- gl_color_node_free (&color_node);
- gl_text_node_free (&text_node);
- g_free (id);
+ gl_color_node_free (&color_node);
+ gl_text_node_free (&text_node);
+ g_free (id);
- gl_debug (DEBUG_LABEL, "END");
+ gl_debug (DEBUG_LABEL, "END");
}
/*****************************************************************************/
void
gl_label_barcode_set_data (glLabelBarcode *lbc,
- glTextNode *text_node,
+ glTextNode *text_node,
gboolean checkpoint)
{
glLabel *label;
- gl_debug (DEBUG_LABEL, "START");
+ gl_debug (DEBUG_LABEL, "START");
- g_return_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc));
+ g_return_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc));
- if (!gl_text_node_equal (lbc->priv->text_node, text_node))
+ if (!gl_text_node_equal (lbc->priv->text_node, text_node))
{
if ( checkpoint )
{
gl_label_checkpoint (label, _("Barcode data"));
}
- gl_text_node_free (&lbc->priv->text_node);
- lbc->priv->text_node = gl_text_node_dup (text_node);
+ gl_text_node_free (&lbc->priv->text_node);
+ lbc->priv->text_node = gl_text_node_dup (text_node);
- gl_label_object_emit_changed (GL_LABEL_OBJECT(lbc));
- }
+ gl_label_object_emit_changed (GL_LABEL_OBJECT(lbc));
+ }
- gl_debug (DEBUG_LABEL, "END");
+ gl_debug (DEBUG_LABEL, "END");
}
void
gl_label_barcode_set_props (glLabelBarcode *lbc,
- gchar *id,
- gboolean text_flag,
- gboolean checksum_flag,
- guint format_digits,
+ gchar *id,
+ gboolean text_flag,
+ gboolean checksum_flag,
+ guint format_digits,
gboolean checkpoint)
{
glLabel *label;
- gl_debug (DEBUG_LABEL, "START");
+ gl_debug (DEBUG_LABEL, "START");
- g_return_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc));
+ g_return_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc));
- if ( ((lbc->priv->id == NULL) && (id != NULL))
- || (g_ascii_strcasecmp (lbc->priv->id, id) != 0)
- || (lbc->priv->text_flag != text_flag)
- || (lbc->priv->checksum_flag != checksum_flag)
- || (lbc->priv->format_digits != format_digits))
+ if ( ((lbc->priv->id == NULL) && (id != NULL))
+ || ((lbc->priv->id != NULL) && (id != NULL) && (g_ascii_strcasecmp (lbc->priv->id, id) != 0))
+ || (lbc->priv->text_flag != text_flag)
+ || (lbc->priv->checksum_flag != checksum_flag)
+ || (lbc->priv->format_digits != format_digits))
{
if ( checkpoint )
{
gl_label_checkpoint (label, _("Barcode property"));
}
- lbc->priv->id = g_strdup (id);
- lbc->priv->text_flag = text_flag;
- lbc->priv->checksum_flag = checksum_flag;
- lbc->priv->format_digits = format_digits;
+ lbc->priv->id = g_strdup (id);
+ lbc->priv->text_flag = text_flag;
+ lbc->priv->checksum_flag = checksum_flag;
+ lbc->priv->format_digits = format_digits;
- gl_label_object_emit_changed (GL_LABEL_OBJECT(lbc));
- }
+ gl_label_object_emit_changed (GL_LABEL_OBJECT(lbc));
+ }
- gl_debug (DEBUG_LABEL, "END");
+ gl_debug (DEBUG_LABEL, "END");
}
glTextNode *
gl_label_barcode_get_data (glLabelBarcode *lbc)
{
- g_return_val_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc), NULL);
+ g_return_val_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc), NULL);
- return gl_text_node_dup (lbc->priv->text_node);
+ return gl_text_node_dup (lbc->priv->text_node);
}
void
gl_label_barcode_get_props (glLabelBarcode *lbc,
- gchar **id,
- gboolean *text_flag,
- gboolean *checksum_flag,
- guint *format_digits)
+ gchar **id,
+ gboolean *text_flag,
+ gboolean *checksum_flag,
+ guint *format_digits)
{
- g_return_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc));
+ g_return_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc));
- *id = g_strdup (lbc->priv->id);
- *text_flag = lbc->priv->text_flag;
- *checksum_flag = lbc->priv->checksum_flag;
- *format_digits = lbc->priv->format_digits;
+ *id = g_strdup (lbc->priv->id);
+ *text_flag = lbc->priv->text_flag;
+ *checksum_flag = lbc->priv->checksum_flag;
+ *format_digits = lbc->priv->format_digits;
}
/*---------------------------------------------------------------------------*/
static void
get_size (glLabelObject *object,
- gdouble *w,
- gdouble *h)
+ gdouble *w,
+ gdouble *h)
{
- glLabelBarcode *lbc = (glLabelBarcode *)object;
- gchar *data;
- gdouble w_parent, h_parent;
- glBarcode *gbc;
-
- gl_debug (DEBUG_LABEL, "START");
-
- g_return_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc));
-
- gl_label_object_get_raw_size (object, &w_parent, &h_parent);
-
- if (lbc->priv->text_node->field_flag) {
- data = gl_barcode_default_digits (lbc->priv->id,
- lbc->priv->format_digits);
- } else {
- data = gl_text_node_expand (lbc->priv->text_node, NULL);
- }
-
- gbc = gl_barcode_new (lbc->priv->id,
- lbc->priv->text_flag,
- lbc->priv->checksum_flag,
- w_parent,
- h_parent,
- data);
- g_free (data);
-
- if ( gbc == NULL ) {
- /* Try again with default digits. */
- data = gl_barcode_default_digits (lbc->priv->id,
- lbc->priv->format_digits);
- gbc = gl_barcode_new (lbc->priv->id,
- lbc->priv->text_flag,
- lbc->priv->checksum_flag,
- w_parent,
- h_parent,
- data);
+ glLabelBarcode *lbc = (glLabelBarcode *)object;
+ gchar *data;
+ gdouble w_parent, h_parent;
+ glBarcode *gbc;
+
+ gl_debug (DEBUG_LABEL, "START");
+
+ g_return_if_fail (lbc && GL_IS_LABEL_BARCODE (lbc));
+
+ gl_label_object_get_raw_size (object, &w_parent, &h_parent);
+
+ if (lbc->priv->text_node->field_flag) {
+ data = gl_barcode_backends_default_digits (lbc->priv->id,
+ lbc->priv->format_digits);
+ } else {
+ data = gl_text_node_expand (lbc->priv->text_node, NULL);
+ }
+
+ gbc = gl_barcode_backends_new_barcode (lbc->priv->id,
+ lbc->priv->text_flag,
+ lbc->priv->checksum_flag,
+ w_parent,
+ h_parent,
+ data);
+ g_free (data);
+
+ if ( gbc == NULL ) {
+ /* Try again with default digits. */
+ data = gl_barcode_backends_default_digits (lbc->priv->id,
+ lbc->priv->format_digits);
+ gbc = gl_barcode_backends_new_barcode (lbc->priv->id,
+ lbc->priv->text_flag,
+ lbc->priv->checksum_flag,
+ w_parent,
+ h_parent,
+ data);
g_free (data);
- }
+ }
if ( gbc != NULL )
{
*h = 72;
}
- gl_barcode_free (&gbc);
+ gl_barcode_free (&gbc);
- gl_debug (DEBUG_LABEL, "END");
+ gl_debug (DEBUG_LABEL, "END");
}
/*---------------------------------------------------------------------------*/
static void
set_line_color (glLabelObject *object,
- glColorNode *line_color_node,
+ glColorNode *line_color_node,
gboolean checkpoint)
{
- glLabelBarcode *lbarcode = (glLabelBarcode *)object;
+ glLabelBarcode *lbarcode = (glLabelBarcode *)object;
glLabel *label;
- g_return_if_fail (lbarcode && GL_IS_LABEL_BARCODE (lbarcode));
+ g_return_if_fail (lbarcode && GL_IS_LABEL_BARCODE (lbarcode));
- if ( !gl_color_node_equal(lbarcode->priv->color_node, line_color_node) )
+ if ( !gl_color_node_equal(lbarcode->priv->color_node, line_color_node) )
{
if ( checkpoint )
{
gl_label_checkpoint (label, _("Barcode data"));
}
- gl_color_node_free (&(lbarcode->priv->color_node));
- lbarcode->priv->color_node = gl_color_node_dup (line_color_node);
- gl_label_object_emit_changed (GL_LABEL_OBJECT(lbarcode));
- }
+ gl_color_node_free (&(lbarcode->priv->color_node));
+ lbarcode->priv->color_node = gl_color_node_dup (line_color_node);
+ gl_label_object_emit_changed (GL_LABEL_OBJECT(lbarcode));
+ }
}
static glColorNode*
get_line_color (glLabelObject *object)
{
- glLabelBarcode *lbarcode = (glLabelBarcode *)object;
+ glLabelBarcode *lbarcode = (glLabelBarcode *)object;
- g_return_val_if_fail (lbarcode && GL_IS_LABEL_BARCODE (lbarcode), NULL);
+ g_return_val_if_fail (lbarcode && GL_IS_LABEL_BARCODE (lbarcode), NULL);
- return gl_color_node_dup (lbarcode->priv->color_node);
+ return gl_color_node_dup (lbarcode->priv->color_node);
}
gboolean screen_flag,
glMergeRecord *record)
{
- gdouble x0, y0;
- cairo_matrix_t matrix;
- glBarcode *gbc;
- glBarcodeLine *line;
- glBarcodeChar *bchar;
- GList *li;
- gdouble y_offset;
- PangoLayout *layout;
+ gdouble x0, y0;
+ cairo_matrix_t matrix;
+ glBarcode *gbc;
+ glBarcodeShape *shape;
+ glBarcodeShapeLine *line;
+ glBarcodeShapeBox *box;
+ glBarcodeShapeRing *ring;
+ glBarcodeShapeHexagon *hexagon;
+ glBarcodeShapeChar *bchar;
+ glBarcodeShapeString *bstring;
+ GList *p;
+ gdouble x_offset, y_offset;
+ PangoLayout *layout;
PangoFontDescription *desc;
- gchar *text, *cstring;
- glTextNode *text_node;
- gchar *id;
- gboolean text_flag;
- gboolean checksum_flag;
- guint color;
- glColorNode *color_node;
- guint format_digits;
- gdouble w, h;
-
- gl_debug (DEBUG_LABEL, "START");
+ gchar *text, *cstring;
+ glTextNode *text_node;
+ gchar *id;
+ gboolean text_flag;
+ gboolean checksum_flag;
+ guint color;
+ glColorNode *color_node;
+ guint format_digits;
+ gdouble w, h;
+ gint iw, ih;
+ gdouble layout_width;
+
+ gl_debug (DEBUG_LABEL, "START");
gl_label_object_get_position (object, &x0, &y0);
gl_label_object_get_matrix (object, &matrix);
- text_node = gl_label_barcode_get_data (GL_LABEL_BARCODE (object));
- gl_label_barcode_get_props (GL_LABEL_BARCODE (object),
- &id, &text_flag, &checksum_flag, &format_digits);
-
- color_node = gl_label_object_get_line_color (object);
- color = gl_color_node_expand (color_node, record);
+ text_node = gl_label_barcode_get_data (GL_LABEL_BARCODE (object));
+ gl_label_barcode_get_props (GL_LABEL_BARCODE (object),
+ &id, &text_flag, &checksum_flag, &format_digits);
+
+ color_node = gl_label_object_get_line_color (object);
+ color = gl_color_node_expand (color_node, record);
if (color_node->field_flag && screen_flag)
{
color = GL_COLOR_MERGE_DEFAULT;
}
- gl_color_node_free (&color_node);
-
- gl_label_object_get_size (object, &w, &h);
+ gl_color_node_free (&color_node);
- text_node = gl_label_barcode_get_data(GL_LABEL_BARCODE(object));
+ gl_label_object_get_size (object, &w, &h);
+
+ text_node = gl_label_barcode_get_data(GL_LABEL_BARCODE(object));
text = gl_text_node_expand (text_node, record);
- if (text_node->field_flag && screen_flag) {
- text = gl_barcode_default_digits (id, format_digits);
- }
+ if (text_node->field_flag && screen_flag) {
+ text = gl_barcode_backends_default_digits (id, format_digits);
+ }
- gbc = gl_barcode_new (id, text_flag, checksum_flag, w, h, text);
+ gbc = gl_barcode_backends_new_barcode (id, text_flag, checksum_flag, w, h, text);
cairo_set_source_rgba (cr, GL_COLOR_RGBA_ARGS (color));
- if (gbc == NULL) {
+ if (gbc == NULL) {
layout = pango_cairo_create_layout (cr);
g_object_unref (layout);
- } else {
+ } else {
+
+ for (p = gbc->shapes; p != NULL; p = p->next) {
+ shape = (glBarcodeShape *)p->data;
+ switch (shape->type)
+ {
+
+ case GL_BARCODE_SHAPE_LINE:
+ line = (glBarcodeShapeLine *) shape;
+
+ cairo_move_to (cr, line->x, line->y);
+ cairo_line_to (cr, line->x, line->y + line->length);
+ cairo_set_line_width (cr, line->width);
+ cairo_stroke (cr);
+
+ break;
+
+ case GL_BARCODE_SHAPE_BOX:
+ box = (glBarcodeShapeBox *) shape;
- for (li = gbc->lines; li != NULL; li = li->next) {
- line = (glBarcodeLine *) li->data;
+ cairo_rectangle (cr, box->x, box->y, box->width, box->height);
+ cairo_fill (cr);
- cairo_move_to (cr, line->x, line->y);
- cairo_line_to (cr, line->x, line->y + line->length);
- cairo_set_line_width (cr, line->width);
- cairo_stroke (cr);
- }
+ break;
- for (li = gbc->chars; li != NULL; li = li->next) {
- bchar = (glBarcodeChar *) li->data;
+ case GL_BARCODE_SHAPE_CHAR:
+ bchar = (glBarcodeShapeChar *) shape;
- layout = pango_cairo_create_layout (cr);
+ layout = pango_cairo_create_layout (cr);
- desc = pango_font_description_new ();
- pango_font_description_set_family (desc, GL_BARCODE_FONT_FAMILY);
- pango_font_description_set_size (desc, bchar->fsize * PANGO_SCALE * FONT_SCALE);
- pango_layout_set_font_description (layout, desc);
- pango_font_description_free (desc);
+ desc = pango_font_description_new ();
+ pango_font_description_set_family (desc, GL_BARCODE_FONT_FAMILY);
+ pango_font_description_set_size (desc, bchar->fsize * PANGO_SCALE * FONT_SCALE);
+ pango_layout_set_font_description (layout, desc);
+ pango_font_description_free (desc);
- cstring = g_strdup_printf ("%c", bchar->c);
- pango_layout_set_text (layout, cstring, -1);
- g_free (cstring);
+ cstring = g_strdup_printf ("%c", bchar->c);
+ pango_layout_set_text (layout, cstring, -1);
+ g_free (cstring);
- y_offset = 0.2 * bchar->fsize;
+ y_offset = 0.2 * bchar->fsize;
- cairo_move_to (cr, bchar->x, bchar->y-y_offset);
- pango_cairo_show_layout (cr, layout);
+ cairo_move_to (cr, bchar->x, bchar->y-y_offset);
+ pango_cairo_show_layout (cr, layout);
- g_object_unref (layout);
+ g_object_unref (layout);
- }
+ break;
- gl_barcode_free (&gbc);
+ case GL_BARCODE_SHAPE_STRING:
+ bstring = (glBarcodeShapeString *) shape;
- }
+ layout = pango_cairo_create_layout (cr);
+
+ desc = pango_font_description_new ();
+ pango_font_description_set_family (desc, GL_BARCODE_FONT_FAMILY);
+ pango_font_description_set_size (desc, bstring->fsize * PANGO_SCALE * FONT_SCALE);
+ pango_layout_set_font_description (layout, desc);
+ pango_font_description_free (desc);
+
+ pango_layout_set_text (layout, bstring->string, -1);
+
+ pango_layout_get_size (layout, &iw, &ih);
+ layout_width = (gdouble)iw / (gdouble)PANGO_SCALE;
+
+ x_offset = layout_width / 2.0;
+ y_offset = 0.2 * bstring->fsize;
+
+ cairo_move_to (cr, (bstring->x - x_offset), (bstring->y - y_offset));
+ pango_cairo_show_layout (cr, layout);
+
+ g_object_unref (layout);
+
+ break;
+
+ case GL_BARCODE_SHAPE_RING:
+ ring = (glBarcodeShapeRing *) shape;
+
+ cairo_arc (cr, ring->x, ring->y, ring->radius, 0.0, 2 * PI);
+ cairo_set_line_width (cr, ring->line_width);
+ cairo_stroke (cr);
+
+ break;
+
+ case GL_BARCODE_SHAPE_HEXAGON:
+ hexagon = (glBarcodeShapeHexagon *) shape;
+
+ cairo_move_to (cr, hexagon->x, hexagon->y);
+ cairo_line_to (cr, hexagon->x + 1.25, hexagon->y + 0.70);
+ cairo_line_to (cr, hexagon->x + 1.25, hexagon->y + 2.18);
+ cairo_line_to (cr, hexagon->x, hexagon->y + 2.89);
+ cairo_line_to (cr, hexagon->x - 1.25, hexagon->y + 2.18);
+ cairo_line_to (cr, hexagon->x - 1.25, hexagon->y + 0.70);
+ cairo_close_path (cr);
+ cairo_fill (cr);
+
+ break;
+
+ default:
+ g_assert_not_reached ();
+ break;
+
+ }
+
+ }
+
+ gl_barcode_free (&gbc);
+
+ }
- g_free (text);
- gl_text_node_free (&text_node);
- g_free (id);
+ g_free (text);
+ gl_text_node_free (&text_node);
+ g_free (id);
- gl_debug (DEBUG_LABEL, "END");
+ gl_debug (DEBUG_LABEL, "END");
}
gl_label_object_get_size (object, &w, &h);
+ cairo_new_path (cr);
cairo_rectangle (cr, 0.0, 0.0, w, h);
if (cairo_in_fill (cr, x, y))
projects / glabels / blobdiff