static double
get_dpi_from_x_server (void)
{
GdkScreen *screen;
double dpi;
screen = gdk_screen_get_default ();
if (screen) {
double width_dpi, height_dpi;
width_dpi = dpi_from_pixels_and_mm (gdk_screen_get_width (screen),
gdk_screen_get_width_mm (screen));
height_dpi = dpi_from_pixels_and_mm (gdk_screen_get_height (screen),
gdk_screen_get_height_mm (screen));
if (width_dpi < DPI_LOW_REASONABLE_VALUE || width_dpi > DPI_HIGH_REASONABLE_VALUE ||
height_dpi < DPI_LOW_REASONABLE_VALUE || height_dpi > DPI_HIGH_REASONABLE_VALUE)
dpi = DPI_FALLBACK;
else
dpi = (width_dpi + height_dpi) / 2.0;
} else {
/* Huh!? No screen? */
dpi = DPI_FALLBACK;
}
return dpi;
}
/* berechnet alle Werte, die man zum Zeichnen eines Koordinatensystems
und von Graphen benötigt, anhand der Größe des Feldes, und den
maximal erwarteten Werten */
void coord_system_adjust(CoordSystem *coord, GtkWidget *darea,
gdouble min_x, gdouble max_x,
gdouble min_y, gdouble max_y)
{
GdkScreen *screen;
PangoLayout *layout;
gint x_axis, y_axis, cm_x, cm_y;
/* bricht ab, wenn der größte Wert niedriger als der
Kleinste ist, oder umgekehrt */
if (min_x >= max_x || min_y >= max_y)
return;
layout = g_object_get_data(G_OBJECT(darea), "layout");
/* rechnet einen Zentimeter in Pixel um */
screen = gdk_screen_get_default();
cm_x = (gint) ((gdouble) (10 * gdk_screen_get_width(screen)) /
(gdouble) gdk_screen_get_width_mm(screen) + 0.5);
cm_y = (gint) ((gdouble) (10 * gdk_screen_get_height(screen)) /
(gdouble) gdk_screen_get_height_mm(screen) + 0.5);
/* kopiert die Minimal- und Maximalwerte in die Struktur */
coord->min_x = min_x;
coord->max_x = max_x;
coord->min_y = min_y;
coord->max_y = max_y;
/* berechnet die Beginn- und Endpunkte der Achsen */
coord->x_axis_begin = get_y_label_width(coord, layout) + 15;
coord->x_axis_end = darea->allocation.width - ARROW_SHANK -
get_text_size(WIDTH, layout, "%s [%s]",
coord->x_title, coord->x_unit) - 5;
coord->y_axis_begin = darea->allocation.height -
get_x_label_height(coord, layout) - 15;
coord->y_axis_end = ARROW_SHANK + get_text_size(HEIGHT, layout,
"%s [%s]", coord->y_title, coord->y_unit) + 10;
/* berechnet die Länge der Achsen */
x_axis = ABS(coord->x_axis_end - coord->x_axis_begin);
y_axis = ABS(coord->y_axis_end - coord->y_axis_begin);
/* berechnet den Faktor zum Umrechnen der Größen */
coord->x_fact = (gdouble) x_axis / (gdouble) (max_x - min_x);
coord->y_fact = (gdouble) y_axis / (gdouble) (max_y - min_y);
/* errechnet die Schrittgröße der Achsen */
coord->step_x = gen_step_size(2 * cm_x / coord->x_fact, coord->fract_x);
coord->step_y = gen_step_size(2 * cm_y / coord->y_fact, coord->fract_y);
/* berechnet die Koordinaten des Ursprungs */
coord->zero_x = coord->x_axis_begin - ((gdouble) x_axis *
((gdouble) min_x / (gdouble) (max_x - min_x)));
coord->zero_y = coord->y_axis_end + ((gdouble) y_axis *
((gdouble) max_y / (gdouble) (max_y - min_y)));
}
cdCtxCanvas *cdgdkCreateCanvas(cdCanvas* canvas, GdkDrawable* wnd, GdkScreen* scr, GdkVisual* vis)
{
cdCtxCanvas *ctxcanvas = (cdCtxCanvas *)malloc(sizeof(cdCtxCanvas));
memset(ctxcanvas, 0, sizeof(cdCtxCanvas));
ctxcanvas->scr = scr;
ctxcanvas->vis = vis;
ctxcanvas->wnd = wnd;
ctxcanvas->gc = gdk_gc_new(wnd);
if (!ctxcanvas->gc)
{
free(canvas);
return NULL;
}
ctxcanvas->fontcontext = gdk_pango_context_get();
#if PANGO_VERSION_CHECK(1,16,0)
pango_context_set_language(ctxcanvas->fontcontext, pango_language_get_default());
#endif
ctxcanvas->canvas = canvas;
canvas->ctxcanvas = ctxcanvas;
gdk_drawable_get_size(wnd, &ctxcanvas->canvas->w, &ctxcanvas->canvas->h);
ctxcanvas->depth = gdk_drawable_get_depth(wnd);
canvas->bpp = ctxcanvas->depth;
canvas->xres = ((double)gdk_screen_get_width(scr) / (double)gdk_screen_get_width_mm(scr));
canvas->yres = ((double)gdk_screen_get_height(scr) / (double)gdk_screen_get_height_mm(scr));
canvas->w_mm = ((double)canvas->w) / canvas->xres;
canvas->h_mm = ((double)canvas->h) / canvas->yres;
canvas->invert_yaxis = 1;
if (canvas->bpp <= 8)
{
ctxcanvas->colormap = gdk_gc_get_colormap(ctxcanvas->gc);
if (!ctxcanvas->colormap)
{
ctxcanvas->colormap = gdk_colormap_get_system();
gdk_gc_set_colormap(ctxcanvas->gc, ctxcanvas->colormap);
}
ctxcanvas->num_colors = ctxcanvas->colormap->size;
}
cdRegisterAttribute(canvas, &gc_attrib);
cdRegisterAttribute(canvas, &rotate_attrib);
cdRegisterAttribute(canvas, &pangoversion_attrib);
cdRegisterAttribute(canvas, &imgdither_attrib);
cdRegisterAttribute(canvas, &interp_attrib);
return ctxcanvas;
}
/**
* gimp_get_screen_resolution:
* @screen: a #GdkScreen or %NULL
* @xres: returns the horizontal screen resolution (in dpi)
* @yres: returns the vertical screen resolution (in dpi)
*
* Retrieves the screen resolution from GDK. If @screen is %NULL, the
* default screen is used.
**/
void
gimp_get_screen_resolution (GdkScreen *screen,
gdouble *xres,
gdouble *yres)
{
gint width, height;
gint width_mm, height_mm;
gdouble x = 0.0;
gdouble y = 0.0;
g_return_if_fail (screen == NULL || GDK_IS_SCREEN (screen));
g_return_if_fail (xres != NULL);
g_return_if_fail (yres != NULL);
if (!screen)
screen = gdk_screen_get_default ();
width = gdk_screen_get_width (screen);
height = gdk_screen_get_height (screen);
width_mm = gdk_screen_get_width_mm (screen);
height_mm = gdk_screen_get_height_mm (screen);
/*
* From xdpyinfo.c:
*
* there are 2.54 centimeters to an inch; so there are 25.4 millimeters.
*
* dpi = N pixels / (M millimeters / (25.4 millimeters / 1 inch))
* = N pixels / (M inch / 25.4)
* = N * 25.4 pixels / M inch
*/
if (width_mm > 0 && height_mm > 0)
{
x = (width * 25.4) / (gdouble) width_mm;
y = (height * 25.4) / (gdouble) height_mm;
}
if (x < GIMP_MIN_RESOLUTION || x > GIMP_MAX_RESOLUTION ||
y < GIMP_MIN_RESOLUTION || y > GIMP_MAX_RESOLUTION)
{
g_warning ("GDK returned bogus values for the screen resolution, "
"using 96 dpi instead.");
x = 96.0;
y = 96.0;
}
/* round the value to full integers to give more pleasant results */
*xres = ROUND (x);
*yres = ROUND (y);
}
gdouble
ev_document_misc_get_screen_dpi (GdkScreen *screen)
{
gdouble dp, di;
/*diagonal in pixels*/
dp = hypot (gdk_screen_get_width (screen), gdk_screen_get_height (screen));
/*diagonal in inches*/
di = hypot (gdk_screen_get_width_mm(screen), gdk_screen_get_height_mm (screen)) / 25.4;
return (dp / di);
}
/**
* gdk_screen_width_mm:
*
* Returns the width of the default screen in millimeters.
* Note that on many X servers this value will not be correct.
*
* Return value: the width of the default screen in millimeters,
* though it is not always correct.
**/
gint
gdk_screen_width_mm (void)
{
return gdk_screen_get_width_mm (gdk_screen_get_default ());
}
static int _s52_init (s52engine *engine)
{
if ((NULL==engine->eglDisplay) || (EGL_NO_DISPLAY==engine->eglDisplay)) {
g_print("_init_S52(): no EGL display ..\n");
return FALSE;
}
eglQuerySurface(engine->eglDisplay, engine->eglSurface, EGL_WIDTH, &engine->width);
eglQuerySurface(engine->eglDisplay, engine->eglSurface, EGL_HEIGHT, &engine->height);
// return constant value EGL_UNKNOWN (-1) with Mesa
eglQuerySurface(engine->eglDisplay, engine->eglSurface, EGL_HORIZONTAL_RESOLUTION, &engine->wmm);
eglQuerySurface(engine->eglDisplay, engine->eglSurface, EGL_VERTICAL_RESOLUTION, &engine->hmm);
{
// FIXME: broken on some monitor
GdkScreen *screen = NULL;
gint w,h;
gint wmm,hmm;
screen = gdk_screen_get_default();
w = gdk_screen_get_width (screen);
h = gdk_screen_get_height (screen);
wmm = gdk_screen_get_width_mm (screen);
hmm = gdk_screen_get_height_mm(screen);
//w = 1280;
//h = 1024;
//w = engine->width;
//h = engine->height;
//wmm = 376;
//hmm = 301; // wrong
//hmm = 307;
//g_print("_init_S52(): start -1- ..\n");
if (FALSE == S52_init(w, h, wmm, hmm, NULL)) {
engine->do_S52init = FALSE;
return FALSE;
}
//g_print("_init_S52(): start -2- ..\n");
S52_setViewPort(0, 0, w, h);
}
// can be called any time
S52_version();
#ifdef S52_USE_EGL
S52_setEGLcb((EGL_cb)_egl_beg, (EGL_cb)_egl_end, engine);
#endif
// read cell location fron s52.cfg
//S52_loadCell(NULL, NULL);
S52_loadCell("CA479017.000", NULL);
S52_loadCell("SCX_CapSante.tif", NULL);
S52_setMarinerParam(S52_MAR_DISP_RASTER, 1.0);
// Rimouski
//S52_loadCell("/home/sduclos/dev/gis/S57/riki-ais/ENC_ROOT/CA579041.000", NULL);
//S52_loadCell("/home/vitaly/CHARTS/for_sasha/GB5X01SE.000", NULL);
//S52_loadCell("/home/vitaly/CHARTS/for_sasha/GB5X01NE.000", NULL);
// Ice - experimental
//S52_loadCell("/home/sduclos/dev/gis/data/ice/East_Coast/--0WORLD.shp", NULL);
// Bathy - experimental
//S52_loadCell("/home/sduclos/dev/gis/data/bathy/2009_HD_BATHY_TRIALS/46307260_LOD2.merc.tif", NULL);
//S52_loadCell("/home/sduclos/dev/gis/data/bathy/2009_HD_BATHY_TRIALS/46307250_LOD2.merc.tif", NULL);
//S52_setMarinerParam(S52_MAR_DISP_RASTER, 1.0);
// load AIS select symb.
//S52_loadPLib("plib-test-priv.rle");
#ifdef S52_USE_WORLD
// World data
if (TRUE == S52_loadCell(PATH "/0WORLD/--0WORLD.shp", NULL)) {
//S52_setMarinerParam(S52_MAR_DISP_WORLD, 0.0); // default
S52_setMarinerParam(S52_MAR_DISP_WORLD, 1.0); // show world
}
#endif
// debug - remove clutter from this symb in SELECT mode
//S52_setS57ObjClassSupp("M_QUAL", TRUE); // supress display of the U pattern
//S52_setS57ObjClassSupp("M_QUAL", FALSE); // displaythe U pattern
S52_toggleObjClassON ("M_QUAL"); // suppression ON
//S52_toggleObjClassOFF("M_QUAL"); // suppression OFF
S52_loadPLib(PLIB);
S52_loadPLib(COLS);
// -- DEPTH COLOR ------------------------------------
S52_setMarinerParam(S52_MAR_TWO_SHADES, 0.0); // 0.0 --> 5 shades
//S52_setMarinerParam(S52_MAR_TWO_SHADES, 1.0); // 1.0 --> 2 shades
// sounding color
//S52_setMarinerParam(S52_MAR_SAFETY_DEPTH, 10.0);
S52_setMarinerParam(S52_MAR_SAFETY_DEPTH, 15.0);
//S52_setMarinerParam(S52_MAR_SAFETY_CONTOUR, 10.0);
S52_setMarinerParam(S52_MAR_SAFETY_CONTOUR, 3.0);
//S52_setMarinerParam(S52_MAR_SHALLOW_CONTOUR, 10.0);
S52_setMarinerParam(S52_MAR_SHALLOW_CONTOUR, 5.0);
//S52_setMarinerParam(S52_MAR_DEEP_CONTOUR, 11.0);
S52_setMarinerParam(S52_MAR_DEEP_CONTOUR, 10.0);
//S52_setMarinerParam(S52_MAR_SHALLOW_PATTERN, 0.0); // (default off)
S52_setMarinerParam(S52_MAR_SHALLOW_PATTERN, 1.0); // ON
// -- DEPTH COLOR ------------------------------------
S52_setMarinerParam(S52_MAR_SHIPS_OUTLINE, 1.0);
S52_setMarinerParam(S52_MAR_HEADNG_LINE, 1.0);
S52_setMarinerParam(S52_MAR_BEAM_BRG_NM, 1.0);
//S52_setMarinerParam(S52_MAR_FULL_SECTORS, 0.0); // (default ON)
//S52_setMarinerParam(S52_MAR_DISP_CATEGORY, S52_MAR_DISP_CATEGORY_BASE); // always ON
//S52_setMarinerParam(S52_MAR_DISP_CATEGORY, S52_MAR_DISP_CATEGORY_STD); // default
//S52_setMarinerParam(S52_MAR_DISP_CATEGORY, S52_MAR_DISP_CATEGORY_OTHER);
//S52_setMarinerParam(S52_MAR_DISP_CATEGORY, S52_MAR_DISP_CATEGORY_BASE | S52_MAR_DISP_CATEGORY_STD | S52_MAR_DISP_CATEGORY_OTHER);
//S52_setMarinerParam(S52_MAR_DISP_CATEGORY, S52_MAR_DISP_CATEGORY_STD | S52_MAR_DISP_CATEGORY_OTHER);
S52_setMarinerParam(S52_MAR_DISP_CATEGORY, S52_MAR_DISP_CATEGORY_SELECT);
//S52_setMarinerParam(S52_MAR_DISP_LAYER_LAST, S52_MAR_DISP_LAYER_LAST_NONE );
//S52_setMarinerParam(S52_MAR_DISP_LAYER_LAST, S52_MAR_DISP_LAYER_LAST_STD ); // default
//S52_setMarinerParam(S52_MAR_DISP_LAYER_LAST, S52_MAR_DISP_LAYER_LAST_OTHER);
S52_setMarinerParam(S52_MAR_DISP_LAYER_LAST, S52_MAR_DISP_LAYER_LAST_SELECT); // All Mariner (Standard(default) + Other)
//S52_setMarinerParam(S52_MAR_COLOR_PALETTE, 0.0); // DAY (default)
//S52_setMarinerParam(S52_MAR_COLOR_PALETTE, 1.0); // DAY DARK
S52_setMarinerParam(S52_MAR_COLOR_PALETTE, 5.0); // DAY 60
//S52_setMarinerParam(S52_MAR_COLOR_PALETTE, 6.0); // DUSK 60
//S52_setMarinerParam(S52_MAR_SCAMIN, 1.0); // ON (default)
//S52_setMarinerParam(S52_MAR_SCAMIN, 0.0); // debug OFF - show all
// remove QUAPNT01 symbole (black diagonal and a '?')
S52_setMarinerParam(S52_MAR_QUAPNT01, 0.0); // off
S52_setMarinerParam(S52_MAR_DISP_CALIB, 1.0);
// --- TEXT ----------------------------------------------
S52_setMarinerParam(S52_MAR_SHOW_TEXT, 1.0);
//S52_setMarinerParam(S52_MAR_SHOW_TEXT, 0.0);
S52_setTextDisp(0, 100, TRUE); // show all text
//S52_setTextDisp(0, 100, FALSE); // no text
// cell's legend
//S52_setMarinerParam(S52_MAR_DISP_LEGEND, 1.0); // show
S52_setMarinerParam(S52_MAR_DISP_LEGEND, 0.0); // hide (default)
// -------------------------------------------------------
//S52_setMarinerParam(S52_MAR_DISP_DRGARE_PATTERN, 0.0); // OFF
//S52_setMarinerParam(S52_MAR_DISP_DRGARE_PATTERN, 1.0); // ON (default)
S52_setMarinerParam(S52_MAR_ANTIALIAS, 1.0); // on
//S52_setMarinerParam(S52_MAR_ANTIALIAS, 0.0); // off
// a delay of 0.0 to tell to not delete old AIS (default +600 sec old)
//S52_setMarinerParam(S52_MAR_DEL_VESSEL_DELAY, 0.0);
// debug - use for timing redering
//S52_setMarinerParam(S52_CMD_WRD_FILTER, S52_CMD_WRD_FILTER_SY);
//S52_setMarinerParam(S52_CMD_WRD_FILTER, S52_CMD_WRD_FILTER_LS);
//S52_setMarinerParam(S52_CMD_WRD_FILTER, S52_CMD_WRD_FILTER_LC);
//S52_setMarinerParam(S52_CMD_WRD_FILTER, S52_CMD_WRD_FILTER_AC);
//S52_setMarinerParam(S52_CMD_WRD_FILTER, S52_CMD_WRD_FILTER_AP);
//S52_setMarinerParam(S52_CMD_WRD_FILTER, S52_CMD_WRD_FILTER_TX);
// if first start find where we are looking
_s52_computeView(&engine->state);
// then (re)position the 'camera'
S52_setView(engine->state.cLat, engine->state.cLon, engine->state.rNM, engine->state.north);
S52_newCSYMB();
// must be first mariners' object so that the
// rendering engine place it on top of OWNSHP/VESSEL
//_s52_setupVRMEBL(&engine->state);
//_s52_setupLEGLIN();
//_s52_setupPRDARE(&engine->state);
#ifdef USE_FAKE_AIS
_s52_setupVESSEL(&engine->state);
_s52_setupOWNSHP(&engine->state);
#endif
engine->do_S52init = FALSE;
engine->do_S52draw = TRUE;
engine->do_S52drawLast = TRUE;
engine->do_S52setViewPort = FALSE;
return EGL_TRUE;
}
static void
init_no_multihead (GdkScreen *screen, gboolean *changed)
{
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
GdkX11Display *x11_display = GDK_X11_DISPLAY (x11_screen->display);
GdkX11Monitor *monitor;
GdkRectangle geometry;
int i;
for (i = 0; i < x11_display->monitors->len; i++)
{
GdkX11Monitor *monitor = x11_display->monitors->pdata[i];
monitor->add = FALSE;
monitor->remove = TRUE;
}
monitor = find_monitor_by_output (x11_display, 0);
if (monitor)
monitor->remove = FALSE;
else
{
monitor = g_object_new (gdk_x11_monitor_get_type (),
"display", x11_display,
NULL);
monitor->output = 0;
monitor->add = TRUE;
g_ptr_array_add (x11_display->monitors, monitor);
}
gdk_monitor_get_geometry (GDK_MONITOR (monitor), &geometry);
if (0 != geometry.x ||
0 != geometry.y ||
gdk_screen_get_width (screen) != geometry.width ||
gdk_screen_get_height (screen) != geometry.height ||
gdk_screen_get_width_mm (screen) != gdk_monitor_get_width_mm (GDK_MONITOR (monitor)) ||
gdk_screen_get_height_mm (screen) != gdk_monitor_get_height_mm (GDK_MONITOR (monitor)))
*changed = TRUE;
gdk_monitor_set_position (GDK_MONITOR (monitor), 0, 0);
gdk_monitor_set_size (GDK_MONITOR (monitor),
gdk_screen_get_width (screen),
gdk_screen_get_height (screen));
g_object_notify (G_OBJECT (monitor), "workarea");
gdk_monitor_set_physical_size (GDK_MONITOR (monitor),
gdk_screen_get_height_mm (screen),
gdk_screen_get_height_mm (screen));
gdk_monitor_set_scale_factor (GDK_MONITOR (monitor), x11_screen->window_scale);
if (x11_display->primary_monitor != 0)
*changed = TRUE;
x11_display->primary_monitor = 0;
for (i = x11_display->monitors->len - 1; i >= 0; i--)
{
GdkX11Monitor *monitor = x11_display->monitors->pdata[i];
if (monitor->add)
{
gdk_display_monitor_added (GDK_DISPLAY (x11_display), GDK_MONITOR (monitor));
*changed = TRUE;
}
else if (monitor->remove)
{
g_object_ref (monitor);
g_ptr_array_remove (x11_display->monitors, monitor);
gdk_display_monitor_removed (GDK_DISPLAY (x11_display), GDK_MONITOR (monitor));
g_object_unref (monitor);
*changed = TRUE;
}
}
}
/**
\brief Screen and Display
size - returns the physical screen size in millimeters
geometry -returns the logicaL screen size in pixels
\author William J Giddings
\date 03-Jan-2010
**/
int gnoclScreenCmd ( ClientData data, Tcl_Interp *interp, int objc, Tcl_Obj * const objv[] )
{
static const char *cmd[] = { "size", "geometry", "name", "screens", "composited", "windowList", "toplevels", NULL };
enum optIdx { SizeIdx, GeometryIdx, NameIdx, ScreensIdx, CompositedIdx, WindowListIdx, TopLevelsIdx };
int idx;
if ( objc != 2 )
{
Tcl_WrongNumArgs ( interp, 1, objv, "option " );
return TCL_ERROR;
}
if ( Tcl_GetIndexFromObj ( interp, objv[1], cmd, "option", TCL_EXACT, &idx ) != TCL_OK )
{
return TCL_ERROR;
}
/*
display = gdk_display_get_default ();
num_screen = gdk_display_get_n_screens (display);
displayname = gdk_display_get_name (display);
*/
switch ( idx )
{
case TopLevelsIdx:
case WindowListIdx:
{
gchar buffer[16];
GdkScreen *screen;
GSList *toplevels, *p;
gchar *widgetName;
screen = gdk_screen_get_default();
toplevels = gdk_screen_get_toplevel_windows ( screen );
/* check to see if the windows are registered with gnocl */
for ( p = toplevels; p != NULL ; p = p->next )
{
/* this returns GDKWindow, not Gtk */
widgetName = gnoclGetNameFromWidget ( GTK_WIDGET ( p->data ) );
printf ( "toplevel %s\n", widgetName );
if ( widgetName != NULL )
{
printf ( "toplevel %s\n", widgetName );
}
else
{
printf ( "Missed this one! List length = %d\n", g_slist_length ( toplevels ) );
printf ( "toplevel %s\n", widgetName );
}
}
gboolean state = 0;
sprintf ( &buffer, "%d", state );
Tcl_SetObjResult ( interp, Tcl_NewIntObj ( state ) );
}
break;
case CompositedIdx:
{
gchar buffer[16];
GdkScreen *screen;
gboolean state;
screen = gdk_screen_get_default();
state = gdk_screen_is_composited ( screen );
sprintf ( &buffer, "%d", state );
Tcl_SetObjResult ( interp, Tcl_NewIntObj ( state ) );
}
break;
case ScreensIdx:
{
gchar buffer[16];
GdkDisplay *display;
display = gdk_display_get_default ();
gint screens = gdk_display_get_n_screens ( display );
sprintf ( &buffer, "%d", screens );
Tcl_SetObjResult ( interp, Tcl_NewStringObj ( buffer, -1 ) );
}
break;
case NameIdx:
{
gchar buffer[16];
GdkDisplay *display;
const gchar *name;
display = gdk_display_get_default ();
name = gdk_display_get_name ( display );
sprintf ( &buffer, "%s", name );
Tcl_SetObjResult ( interp, Tcl_NewStringObj ( buffer, -1 ) );
}
break;
case SizeIdx:
{
gchar buffer[16];
gint width_mm = 0;
gint height_mm = 0;
GdkScreen *screen;
screen = gdk_screen_get_default();
width_mm = gdk_screen_get_width_mm ( screen );
height_mm = gdk_screen_get_height_mm ( screen );
sprintf ( &buffer, "%d %d", width_mm, height_mm );
Tcl_SetObjResult ( interp, Tcl_NewStringObj ( buffer, -1 ) );
}
break;
case GeometryIdx:
{
gchar buffer[16];
gint width = 0;
gint height = 0;
GdkScreen *screen;
screen = gdk_screen_get_default();
width = gdk_screen_get_width ( screen );
height = gdk_screen_get_height ( screen );
sprintf ( &buffer, "%d %d", width, height );
Tcl_SetObjResult ( interp, Tcl_NewStringObj ( buffer, -1 ) );
}
break;
}
return TCL_OK;
}
static IgtkFont* gtkFindFont(const char *standardfont)
{
PangoFontMetrics* metrics;
PangoFontDescription* fontdesc;
int i,
is_underline = 0,
is_strikeout = 0,
count = iupArrayCount(gtk_fonts);
IgtkFont* fonts = (IgtkFont*)iupArrayGetData(gtk_fonts);
/* Check if the standardfont already exists in cache */
for (i = 0; i < count; i++)
{
if (iupStrEqualNoCase(standardfont, fonts[i].standardfont))
return &fonts[i];
}
/* not found, create a new one */
{
int size;
int is_bold = 0,
is_italic = 0;
char typeface[1024];
char *new_standardfont = NULL;
const char* mapped_name;
if (!iupFontParsePango(standardfont, typeface, &size, &is_bold, &is_italic, &is_underline, &is_strikeout))
return NULL;
mapped_name = iupFontGetPangoName(typeface);
if (mapped_name)
strcpy(typeface, mapped_name);
if (is_underline || is_strikeout || size<0)
new_standardfont = iupStrDup(standardfont);
if (is_underline)
{
char* under = strstr(standardfont, "Underline");
int len = strlen(standardfont);
int len1 = (size_t)(under-standardfont);
memcpy(new_standardfont, standardfont, len1);
memcpy(new_standardfont+len1, under+9+1, len-len1-9+1); /* strlen("Underline") */
standardfont = new_standardfont;
}
if (is_strikeout)
{
char* strike = strstr(standardfont, "Strikeout");
int len = strlen(standardfont);
int len1 = (size_t)(strike-standardfont);
memcpy(new_standardfont, standardfont, len1);
memcpy(new_standardfont+len1, strike+9+1, len-len1-9+1); /* strlen("Strikeout") */
standardfont = new_standardfont;
}
if (size<0)
{
double res;
int len1, len2;
char *sz, size_str[10];
sprintf(size_str, "%d", size);
sz = strstr(standardfont, size_str);
len1 = (size_t)(sz-standardfont);
res = ((double)gdk_screen_get_width(gdk_screen_get_default()) / (double)gdk_screen_get_width_mm(gdk_screen_get_default())); /* pixels/mm */
/* 1 point = 1/72 inch 1 inch = 25.4 mm */
/* pixel = ((point/72)*25.4)*pixel/mm */
size = (int)((-size/res)*2.83464567 + 0.5); /* from pixels to points */
len2 = sprintf(size_str, "%d", size);
memcpy(new_standardfont, standardfont, len1);
memcpy(new_standardfont+len1, size_str, len2+1);
}
fontdesc = pango_font_description_from_string(standardfont);
if (new_standardfont) free(new_standardfont);
}
if (!fontdesc)
return NULL;
/* create room in the array */
fonts = (IgtkFont*)iupArrayInc(gtk_fonts);
strcpy(fonts[i].standardfont, standardfont);
fonts[i].fontdesc = fontdesc;
fonts[i].strikethrough = pango_attr_strikethrough_new(is_strikeout? TRUE: FALSE);
fonts[i].underline = pango_attr_underline_new(is_underline? PANGO_UNDERLINE_SINGLE: PANGO_UNDERLINE_NONE);
fonts[i].layout = pango_layout_new(gtk_fonts_context);
metrics = pango_context_get_metrics(gtk_fonts_context, fontdesc, pango_context_get_language(gtk_fonts_context));
fonts[i].charheight = pango_font_metrics_get_ascent(metrics) + pango_font_metrics_get_descent(metrics);
fonts[i].charheight = IUPGTK_PANGOUNITS2PIXELS(fonts[i].charheight);
fonts[i].charwidth = pango_font_metrics_get_approximate_char_width(metrics);
fonts[i].charwidth = IUPGTK_PANGOUNITS2PIXELS(fonts[i].charwidth);
pango_font_metrics_unref(metrics);
gtkFontUpdate(&(fonts[i]));
return &fonts[i];
}
static IgtkFont* gtkFindFont(const char *standardfont)
{
PangoFontMetrics* metrics;
PangoFontDescription* fontdesc;
int i,
is_underline = 0,
is_strikeout = 0,
count = iupArrayCount(gtk_fonts);
IgtkFont* fonts = (IgtkFont*)iupArrayGetData(gtk_fonts);
/* Check if the standardfont already exists in cache */
for (i = 0; i < count; i++)
{
if (iupStrEqualNoCase(standardfont, fonts[i].standardfont))
return &fonts[i];
}
/* not found, create a new one */
{
int size = 0, is_pango = 0;
int is_bold = 0,
is_italic = 0;
char typeface[1024];
const char* mapped_name;
/* parse the old Windows format first */
if (!iupFontParseWin(standardfont, typeface, &size, &is_bold, &is_italic, &is_underline, &is_strikeout))
{
if (!iupFontParseX(standardfont, typeface, &size, &is_bold, &is_italic, &is_underline, &is_strikeout))
{
if (!iupFontParsePango(standardfont, typeface, &size, &is_bold, &is_italic, &is_underline, &is_strikeout))
return NULL;
else
is_pango = 1;
}
}
mapped_name = iupFontGetPangoName(typeface);
if (mapped_name)
strcpy(typeface, mapped_name);
if (is_pango && !is_underline && !is_strikeout && size>0)
fontdesc = pango_font_description_from_string(standardfont);
else
{
char new_standardfont[200];
if (size<0)
{
double res = ((double)gdk_screen_get_width(gdk_screen_get_default()) / (double)gdk_screen_get_width_mm(gdk_screen_get_default())); /* pixels/mm */
/* 1 point = 1/72 inch 1 inch = 25.4 mm */
/* pixel = ((point/72)*25.4)*pixel/mm */
size = (int)((-size/res)*2.83464567 + 0.5); /* from pixels to points */
}
sprintf(new_standardfont, "%s, %s%s%d", typeface, is_bold?"Bold ":"", is_italic?"Italic ":"", size);
fontdesc = pango_font_description_from_string(new_standardfont);
}
}
if (!fontdesc)
return NULL;
/* create room in the array */
fonts = (IgtkFont*)iupArrayInc(gtk_fonts);
strcpy(fonts[i].standardfont, standardfont);
fonts[i].fontdesc = fontdesc;
fonts[i].strikethrough = pango_attr_strikethrough_new(is_strikeout? TRUE: FALSE);
fonts[i].underline = pango_attr_underline_new(is_underline? PANGO_UNDERLINE_SINGLE: PANGO_UNDERLINE_NONE);
fonts[i].layout = pango_layout_new(gtk_fonts_context);
metrics = pango_context_get_metrics(gtk_fonts_context, fontdesc, pango_context_get_language(gtk_fonts_context));
fonts[i].charheight = pango_font_metrics_get_ascent(metrics) + pango_font_metrics_get_descent(metrics);
fonts[i].charheight = IUPGTK_PANGOUNITS2PIXELS(fonts[i].charheight);
fonts[i].charwidth = pango_font_metrics_get_approximate_char_width(metrics);
fonts[i].charwidth = IUPGTK_PANGOUNITS2PIXELS(fonts[i].charwidth);
pango_font_metrics_unref(metrics);
gtkFontUpdate(&(fonts[i]));
return &fonts[i];
}