static VALUE
rg_initialize(VALUE self, VALUE visual, VALUE allocate)
{
GdkColormap *cmap = gdk_colormap_new(GDK_VISUAL(RVAL2GOBJ(visual)),
RVAL2CBOOL(allocate));
G_INITIALIZE(self, cmap);
return Qnil;
}
USER_OBJECT_
S_GdkVisualGetBlueMask (USER_OBJECT_ s_obj)
{
USER_OBJECT_ _result = NULL_USER_OBJECT;
GdkVisual *obj;
guint32 val;
obj = GDK_VISUAL(getPtrValue(s_obj)) ;
val = obj->blue_mask;
_result = asRNumeric(val);
return(_result);
}
USER_OBJECT_
S_GdkVisualGetBluePrec (USER_OBJECT_ s_obj)
{
USER_OBJECT_ _result = NULL_USER_OBJECT;
GdkVisual *obj;
gint val;
obj = GDK_VISUAL(getPtrValue(s_obj)) ;
val = obj->blue_prec;
_result = asRInteger(val);
return(_result);
}
USER_OBJECT_
S_GdkVisualGetBitsPerRgb (USER_OBJECT_ s_obj)
{
USER_OBJECT_ _result = NULL_USER_OBJECT;
GdkVisual *obj;
gint val;
obj = GDK_VISUAL(getPtrValue(s_obj)) ;
val = obj->bits_per_rgb;
_result = asRInteger(val);
return(_result);
}
USER_OBJECT_
S_GdkVisualGetGreenShift (USER_OBJECT_ s_obj)
{
USER_OBJECT_ _result = NULL_USER_OBJECT;
GdkVisual *obj;
gint val;
obj = GDK_VISUAL(getPtrValue(s_obj)) ;
val = obj->green_shift;
_result = asRInteger(val);
return(_result);
}
USER_OBJECT_
S_GdkVisualGetColormapSize (USER_OBJECT_ s_obj)
{
USER_OBJECT_ _result = NULL_USER_OBJECT;
GdkVisual *obj;
gint val;
obj = GDK_VISUAL(getPtrValue(s_obj)) ;
val = obj->colormap_size;
_result = asRInteger(val);
return(_result);
}
USER_OBJECT_
S_GdkVisualGetByteOrder (USER_OBJECT_ s_obj)
{
USER_OBJECT_ _result = NULL_USER_OBJECT;
GdkVisual *obj;
GdkByteOrder val;
obj = GDK_VISUAL(getPtrValue(s_obj)) ;
val = obj->byte_order;
_result = asREnum(val, GDK_TYPE_BYTE_ORDER);
return(_result);
}
USER_OBJECT_
S_GdkVisualGetType (USER_OBJECT_ s_obj)
{
USER_OBJECT_ _result = NULL_USER_OBJECT;
GdkVisual *obj;
GdkVisualType val;
obj = GDK_VISUAL(getPtrValue(s_obj)) ;
val = obj->type;
_result = asREnum(val, GDK_TYPE_VISUAL_TYPE);
return(_result);
}
static VALUE
rg_initialize(VALUE self, VALUE type, VALUE visual, VALUE w, VALUE h)
{
GdkImage* image = gdk_image_new((GdkImageType)RVAL2GENUM(type, GDK_TYPE_IMAGE_TYPE),
GDK_VISUAL(RVAL2GOBJ(visual)),
NUM2INT(w), NUM2INT(h));
if (image)
G_INITIALIZE(self, image);
else
rb_raise(rb_eArgError, "The image could not be created.");
return Qnil;
}
void
_gdk_visual_init (GdkScreen *screen)
{
static const gint possible_depths[8] = { 32, 30, 24, 16, 15, 8, 4, 1 };
static const GdkVisualType possible_types[6] =
{
GDK_VISUAL_DIRECT_COLOR,
GDK_VISUAL_TRUE_COLOR,
GDK_VISUAL_PSEUDO_COLOR,
GDK_VISUAL_STATIC_COLOR,
GDK_VISUAL_GRAYSCALE,
GDK_VISUAL_STATIC_GRAY
};
GdkScreenX11 *screen_x11;
XVisualInfo *visual_list;
XVisualInfo visual_template;
GdkVisualPrivate *temp_visual;
Visual *default_xvisual;
GdkVisualPrivate **visuals;
int nxvisuals;
int nvisuals;
int i, j;
g_return_if_fail (GDK_IS_SCREEN (screen));
screen_x11 = GDK_SCREEN_X11 (screen);
nxvisuals = 0;
visual_template.screen = screen_x11->screen_num;
visual_list = XGetVisualInfo (screen_x11->xdisplay, VisualScreenMask, &visual_template, &nxvisuals);
visuals = g_new (GdkVisualPrivate *, nxvisuals);
for (i = 0; i < nxvisuals; i++)
visuals[i] = g_object_new (GDK_TYPE_VISUAL, NULL);
default_xvisual = DefaultVisual (screen_x11->xdisplay, screen_x11->screen_num);
nvisuals = 0;
for (i = 0; i < nxvisuals; i++)
{
visuals[nvisuals]->screen = screen;
if (visual_list[i].depth >= 1)
{
#ifdef __cplusplus
switch (visual_list[i].c_class)
#else /* __cplusplus */
switch (visual_list[i].class)
#endif /* __cplusplus */
{
case StaticGray:
visuals[nvisuals]->visual.type = GDK_VISUAL_STATIC_GRAY;
break;
case GrayScale:
visuals[nvisuals]->visual.type = GDK_VISUAL_GRAYSCALE;
break;
case StaticColor:
visuals[nvisuals]->visual.type = GDK_VISUAL_STATIC_COLOR;
break;
case PseudoColor:
visuals[nvisuals]->visual.type = GDK_VISUAL_PSEUDO_COLOR;
break;
case TrueColor:
visuals[nvisuals]->visual.type = GDK_VISUAL_TRUE_COLOR;
break;
case DirectColor:
visuals[nvisuals]->visual.type = GDK_VISUAL_DIRECT_COLOR;
break;
}
visuals[nvisuals]->visual.depth = visual_list[i].depth;
visuals[nvisuals]->visual.byte_order =
(ImageByteOrder(screen_x11->xdisplay) == LSBFirst) ?
GDK_LSB_FIRST : GDK_MSB_FIRST;
visuals[nvisuals]->visual.red_mask = visual_list[i].red_mask;
visuals[nvisuals]->visual.green_mask = visual_list[i].green_mask;
visuals[nvisuals]->visual.blue_mask = visual_list[i].blue_mask;
visuals[nvisuals]->visual.colormap_size = visual_list[i].colormap_size;
visuals[nvisuals]->visual.bits_per_rgb = visual_list[i].bits_per_rgb;
visuals[nvisuals]->xvisual = visual_list[i].visual;
if ((visuals[nvisuals]->visual.type == GDK_VISUAL_TRUE_COLOR) ||
(visuals[nvisuals]->visual.type == GDK_VISUAL_DIRECT_COLOR))
{
gdk_visual_decompose_mask (visuals[nvisuals]->visual.red_mask,
&visuals[nvisuals]->visual.red_shift,
&visuals[nvisuals]->visual.red_prec);
gdk_visual_decompose_mask (visuals[nvisuals]->visual.green_mask,
&visuals[nvisuals]->visual.green_shift,
&visuals[nvisuals]->visual.green_prec);
gdk_visual_decompose_mask (visuals[nvisuals]->visual.blue_mask,
&visuals[nvisuals]->visual.blue_shift,
&visuals[nvisuals]->visual.blue_prec);
}
else
{
visuals[nvisuals]->visual.red_mask = 0;
visuals[nvisuals]->visual.red_shift = 0;
visuals[nvisuals]->visual.red_prec = 0;
visuals[nvisuals]->visual.green_mask = 0;
visuals[nvisuals]->visual.green_shift = 0;
visuals[nvisuals]->visual.green_prec = 0;
visuals[nvisuals]->visual.blue_mask = 0;
visuals[nvisuals]->visual.blue_shift = 0;
visuals[nvisuals]->visual.blue_prec = 0;
}
nvisuals += 1;
}
}
if (visual_list)
XFree (visual_list);
for (i = 0; i < nvisuals; i++)
{
for (j = i+1; j < nvisuals; j++)
{
if (visuals[j]->visual.depth >= visuals[i]->visual.depth)
{
if ((visuals[j]->visual.depth == 8) && (visuals[i]->visual.depth == 8))
{
if (visuals[j]->visual.type == GDK_VISUAL_PSEUDO_COLOR)
{
temp_visual = visuals[j];
visuals[j] = visuals[i];
visuals[i] = temp_visual;
}
else if ((visuals[i]->visual.type != GDK_VISUAL_PSEUDO_COLOR) &&
visuals[j]->visual.type > visuals[i]->visual.type)
{
temp_visual = visuals[j];
visuals[j] = visuals[i];
visuals[i] = temp_visual;
}
}
else if ((visuals[j]->visual.depth > visuals[i]->visual.depth) ||
((visuals[j]->visual.depth == visuals[i]->visual.depth) &&
(visuals[j]->visual.type > visuals[i]->visual.type)))
{
temp_visual = visuals[j];
visuals[j] = visuals[i];
visuals[i] = temp_visual;
}
}
}
}
for (i = 0; i < nvisuals; i++)
{
if (default_xvisual->visualid == visuals[i]->xvisual->visualid)
screen_x11->system_visual = visuals[i];
/* For now, we only support 8888 ARGB for the "rgba visual".
* Additional formats (like ABGR) could be added later if they
* turn up.
*/
if (visuals[i]->visual.depth == 32 &&
(visuals[i]->visual.red_mask == 0xff0000 &&
visuals[i]->visual.green_mask == 0x00ff00 &&
visuals[i]->visual.blue_mask == 0x0000ff))
{
screen_x11->rgba_visual = GDK_VISUAL (visuals[i]);
}
}
#ifdef G_ENABLE_DEBUG
if (_gdk_debug_flags & GDK_DEBUG_MISC)
for (i = 0; i < nvisuals; i++)
g_message ("visual: %s: %d",
visual_names[visuals[i]->visual.type],
visuals[i]->visual.depth);
#endif /* G_ENABLE_DEBUG */
screen_x11->navailable_depths = 0;
for (i = 0; i < G_N_ELEMENTS (possible_depths); i++)
{
for (j = 0; j < nvisuals; j++)
{
if (visuals[j]->visual.depth == possible_depths[i])
{
screen_x11->available_depths[screen_x11->navailable_depths++] = visuals[j]->visual.depth;
break;
}
}
}
if (screen_x11->navailable_depths == 0)
g_error ("unable to find a usable depth");
screen_x11->navailable_types = 0;
for (i = 0; i < G_N_ELEMENTS (possible_types); i++)
{
for (j = 0; j < nvisuals; j++)
{
if (visuals[j]->visual.type == possible_types[i])
{
screen_x11->available_types[screen_x11->navailable_types++] = visuals[j]->visual.type;
break;
}
}
}
for (i = 0; i < nvisuals; i++)
gdk_visual_add ((GdkVisual*) visuals[i]);
if (screen_x11->navailable_types == 0)
g_error ("unable to find a usable visual type");
screen_x11->visuals = visuals;
screen_x11->nvisuals = nvisuals;
}
static VALUE
rg_set_visual(VALUE self, VALUE val)
{
_SELF(self)->visual = GDK_VISUAL(RVAL2GOBJ(val));
return self;
}