#endif
#define DEFAULT_BACKGROUND_COLOR "#CCCCCC"
+#define DEFAULT_HIGHLIGHT_COLOR "#EEA500"
+/* Default highlight in orange */
#include <gtk/gtk.h>
#ifdef HAVE_MATH_H
static gdouble EASTING_OFFSET = 500000.0;
+static gint PAD = 10;
+
static void viewport_class_init ( VikViewportClass *klass );
static void viewport_init ( VikViewport *vvp );
static void viewport_finalize ( GObject *gob );
GdkGC *scale_bg_gc;
GSList *copyrights;
+ GSList *logos;
/* Wether or not display OSD info */
gboolean draw_scale;
gboolean draw_centermark;
+ gboolean draw_highlight;
+ GdkGC *highlight_gc;
+ GdkColor highlight_color;
/* subset of coord types. lat lon can be plotted in 2 ways, google or exp. */
VikViewportDrawMode drawmode;
vvp->alpha_pixbuf_width = vvp->alpha_pixbuf_height = 0;
vvp->utm_zone_width = 0.0;
vvp->background_gc = NULL;
+ vvp->highlight_gc = NULL;
vvp->scale_bg_gc = NULL;
vvp->copyrights = NULL;
vvp->draw_scale = TRUE;
vvp->draw_centermark = TRUE;
+ vvp->draw_highlight = TRUE;
vvp->trigger = NULL;
vvp->snapshot_buffer = NULL;
gdk_gc_set_rgb_fg_color ( vvp->background_gc, color );
}
+GdkColor *vik_viewport_get_highlight_gdkcolor ( VikViewport *vvp )
+{
+ GdkColor *rv = g_malloc ( sizeof ( GdkColor ) );
+ *rv = vvp->highlight_color;
+ return rv;
+}
+
+/* returns pointer to internal static storage, changes next time function called, use quickly */
+const gchar *vik_viewport_get_highlight_color ( VikViewport *vvp )
+{
+ static gchar color[8];
+ g_snprintf(color, sizeof(color), "#%.2x%.2x%.2x", (int)(vvp->highlight_color.red/256),(int)(vvp->highlight_color.green/256),(int)(vvp->highlight_color.blue/256));
+ return color;
+}
+
+void vik_viewport_set_highlight_color ( VikViewport *vvp, const gchar *colorname )
+{
+ g_assert ( vvp->highlight_gc );
+ gdk_color_parse ( colorname, &(vvp->highlight_color) );
+ gdk_gc_set_rgb_fg_color ( vvp->highlight_gc, &(vvp->highlight_color) );
+}
+
+void vik_viewport_set_highlight_gdkcolor ( VikViewport *vvp, GdkColor *color )
+{
+ g_assert ( vvp->highlight_gc );
+ vvp->highlight_color = *color;
+ gdk_gc_set_rgb_fg_color ( vvp->highlight_gc, color );
+}
+
+GdkGC *vik_viewport_get_gc_highlight ( VikViewport *vvp )
+{
+ return vvp->highlight_gc;
+}
+
+void vik_viewport_set_highlight_thickness ( VikViewport *vvp, gint thickness )
+{
+ // Otherwise same GDK_* attributes as in vik_viewport_new_gc
+ gdk_gc_set_line_attributes ( vvp->highlight_gc, thickness, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
+}
GdkGC *vik_viewport_new_gc ( VikViewport *vvp, const gchar *colorname, gint thickness )
{
vvp->background_gc = vik_viewport_new_gc ( vvp, DEFAULT_BACKGROUND_COLOR, 1 );
vik_viewport_set_background_color ( vvp, DEFAULT_BACKGROUND_COLOR );
}
+ if ( ! vvp->highlight_gc )
+ {
+ vvp->highlight_gc = vik_viewport_new_gc ( vvp, DEFAULT_HIGHLIGHT_COLOR, 1 );
+ vik_viewport_set_highlight_color ( vvp, DEFAULT_HIGHLIGHT_COLOR );
+ }
if ( !vvp->scale_bg_gc) {
vvp->scale_bg_gc = vik_viewport_new_gc(vvp, "grey", 3);
}
if ( vvp->background_gc )
g_object_unref ( G_OBJECT ( vvp->background_gc ) );
+ if ( vvp->highlight_gc )
+ g_object_unref ( G_OBJECT ( vvp->highlight_gc ) );
+
if ( vvp->scale_bg_gc ) {
g_object_unref ( G_OBJECT ( vvp->scale_bg_gc ) );
vvp->scale_bg_gc = NULL;
G_OBJECT_CLASS(parent_class)->finalize(gob);
}
+/**
+ * vik_viewport_clear:
+ * @vvp: self object
+ *
+ * Clear the whole viewport.
+ */
void vik_viewport_clear ( VikViewport *vvp )
{
g_return_if_fail ( vvp != NULL );
gdk_draw_rectangle(GDK_DRAWABLE(vvp->scr_buffer), vvp->background_gc, TRUE, 0, 0, vvp->width, vvp->height);
vik_viewport_reset_copyrights ( vvp );
+ vik_viewport_reset_logos ( vvp );
}
+/**
+ * vik_viewport_set_draw_scale:
+ * @vvp: self
+ * @draw_scale: new value
+ *
+ * Enable/Disable display of scale.
+ */
void vik_viewport_set_draw_scale ( VikViewport *vvp, gboolean draw_scale )
{
vvp->draw_scale = draw_scale;
if ( vvp->draw_scale ) {
VikCoord left, right;
gdouble unit, base, diff, old_unit, old_diff, ratio;
- gint odd, len, PAD = 10, SCSIZE = 5, HEIGHT=10;
+ gint odd, len, SCSIZE = 5, HEIGHT=10;
PangoFontDescription *pfd;
PangoLayout *pl;
gchar s[128];
break;
case VIK_UNITS_DISTANCE_MILES:
// in 0.1 miles (copes better when zoomed in as 1 mile can be too big)
- base = vik_coord_diff ( &left, &right ) * 0.00621371192;
+ base = VIK_METERS_TO_MILES(vik_coord_diff ( &left, &right )) * 10.0;
break;
default:
base = 1; // Keep the compiler happy
{
g_return_if_fail ( vvp != NULL );
- gint PAD = 10;
PangoFontDescription *pfd;
PangoLayout *pl;
PangoRectangle ink_rect, logical_rect;
/* compute copyrights string */
guint len = g_slist_length ( vvp->copyrights );
+
int i;
for (i = 0 ; i < len ; i++)
{
+ // Stop when buffer is full
+ int slen = strlen ( s );
+ if ( slen >= 127 )
+ break;
+
gchar *copyright = g_slist_nth_data ( vvp->copyrights, i );
- strcat ( s, copyright );
+
+ // Only use part of this copyright that fits in the available space left
+ // remembering 1 character is left available for the appended space
+ int clen = strlen ( copyright );
+ if ( slen + clen > 126 ) {
+ clen = 126 - slen;
+ }
+
+ strncat ( s, copyright, clen );
strcat ( s, " " );
}
pl = NULL;
}
+/**
+ * vik_viewport_set_draw_centermark:
+ * @vvp: self object
+ * @draw_centermark: new value
+ *
+ * Enable/Disable display of center mark.
+ */
void vik_viewport_set_draw_centermark ( VikViewport *vvp, gboolean draw_centermark )
{
vvp->draw_centermark = draw_centermark;
}
+void vik_viewport_draw_logo ( VikViewport *vvp )
+{
+ g_return_if_fail ( vvp != NULL );
+
+ guint len = g_slist_length ( vvp->logos );
+ gint x = vvp->width - PAD;
+ gint y = PAD;
+ int i;
+ for (i = 0 ; i < len ; i++)
+ {
+ GdkPixbuf *logo = g_slist_nth_data ( vvp->logos, i );
+ gint width = gdk_pixbuf_get_width ( logo );
+ gint height = gdk_pixbuf_get_height ( logo );
+ vik_viewport_draw_pixbuf ( vvp, logo, 0, 0, x - width, y, width, height );
+ x = x - width - PAD;
+ }
+}
+
+void vik_viewport_set_draw_highlight ( VikViewport *vvp, gboolean draw_highlight )
+{
+ vvp->draw_highlight = draw_highlight;
+}
+
+gboolean vik_viewport_get_draw_highlight ( VikViewport *vvp )
+{
+ return vvp->draw_highlight;
+}
+
void vik_viewport_sync ( VikViewport *vvp )
{
g_return_if_fail ( vvp != NULL );
vp->copyrights = NULL;
}
+/**
+ * vik_viewport_add_copyright:
+ * @vp: self object
+ * @copyright: new copyright to display
+ *
+ * Add a copyright to display on viewport.
+ */
void vik_viewport_add_copyright ( VikViewport *vp, const gchar *copyright )
{
g_return_if_fail ( vp != NULL );
if ( copyright )
{
- gchar *found = (gchar*)g_slist_find_custom ( vp->copyrights, copyright, (GCompareFunc)strcmp );
+ GSList *found = g_slist_find_custom ( vp->copyrights, copyright, (GCompareFunc)strcmp );
if ( found == NULL )
{
gchar *duple = g_strdup ( copyright );
}
}
}
+
+void vik_viewport_reset_logos ( VikViewport *vp )
+{
+ g_return_if_fail ( vp != NULL );
+ /* do not free elem */
+ g_slist_free ( vp->logos );
+ vp->logos = NULL;
+}
+
+void vik_viewport_add_logo ( VikViewport *vp, const GdkPixbuf *logo )
+{
+ g_return_if_fail ( vp != NULL );
+ if ( logo )
+ {
+ GdkPixbuf *found = NULL; /* FIXME (GdkPixbuf*)g_slist_find_custom ( vp->logos, logo, (GCompareFunc)== ); */
+ if ( found == NULL )
+ {
+ vp->logos = g_slist_prepend ( vp->logos, (gpointer)logo );
+ }
+ }
+}
projects / andy / viking.git / blobdiff