TGX11TTF Class Reference

Interface to low level X11 (Xlib).

This class gives access to basic X11 graphics via the parent class TGX11. However, all text and font handling is done via the Freetype TrueType library. When the shared library containing this class is loaded the global gVirtualX is redirected to point to this class.

Definition at line 27 of file TGX11TTF.h.

Public Member Functions
	TGX11TTF (const TGX11 &org)
	Create copy of TGX11 but now use TrueType fonts.
	~TGX11TTF () override
void	DrawText (Int_t x, Int_t y, Float_t angle, Float_t mgn, const char *text, ETextMode mode) override
	Draw text using TrueType fonts.
void	DrawText (Int_t x, Int_t y, Float_t angle, Float_t mgn, const wchar_t *text, ETextMode mode) override
	Draw text using TrueType fonts.
Bool_t	Init (void *display) override
	Initialize X11 system. Returns kFALSE in case of failure.
TClass *	IsA () const override
Int_t	SetTextFont (char *fontname, ETextSetMode mode) override
	Set text font to specified name.
void	SetTextFont (Font_t fontnumber) override
	Set specified font.
void	SetTextSize (Float_t textsize) override
	Set current text size.
void	Streamer (TBuffer &) override
	Stream an object of class TObject.
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
Public Member Functions inherited from TGX11
	TGX11 ()
	Default constructor.
	TGX11 (const char *name, const char *title)
	Normal Constructor.
	TGX11 (const TGX11 &org)
	Copy constructor. Currently only used by TGX11TTF.
	~TGX11 () override
	Destructor.
Int_t	AddPixmap (ULong_t pixid, UInt_t w, UInt_t h) override
	Register pixmap created by gVirtualGL.
Int_t	AddWindow (ULong_t qwid, UInt_t w, UInt_t h) override
	Register a window created by Qt as a ROOT window (like InitWindow()).
Bool_t	AllocColor (Colormap_t cmap, ColorStruct_t &color) override
	Find and allocate a color cell according to the color values specified in the ColorStruct_t.
void	Bell (Int_t percent) override
	Sound bell. Percent is loudness from -100% .. 100%.
void	ChangeActivePointerGrab (Window_t, UInt_t, Cursor_t) override
	Changes the specified dynamic parameters if the pointer is actively grabbed by the client.
void	ChangeGC (GContext_t gc, GCValues_t *gval) override
	Change entries in an existing graphics context, gc, by values from gval.
void	ChangeProperties (Window_t id, Atom_t property, Atom_t type, Int_t format, UChar_t *data, Int_t len) override
	This function alters the property for the specified window and causes the X server to generate a PropertyNotify event on that window.
void	ChangeProperty (Window_t id, Atom_t property, Atom_t type, UChar_t *data, Int_t len) override
	This function alters the property for the specified window and causes the X server to generate a PropertyNotify event on that window.
void	ChangeWindowAttributes (Window_t id, SetWindowAttributes_t *attr) override
	Change window attributes.
Bool_t	CheckEvent (Window_t id, EGEventType type, Event_t &ev) override
	Check if there is for window "id" an event of type "type".
void	ClearArea (Window_t id, Int_t x, Int_t y, UInt_t w, UInt_t h) override
	Clear a window area to the background color.
void	ClearWindow () override
	Clear current window.
void	ClearWindow (Window_t id) override
	Clear window.
void	CloseDisplay () override
	Close connection to display server.
void	ClosePixmap () override
	Delete current pixmap.
void	CloseWindow () override
	Delete current window.
void	ConvertPrimarySelection (Window_t id, Atom_t clipboard, Time_t when) override
	XConvertSelection() causes a SelectionRequest event to be sent to the current primary selection owner.
void	ConvertSelection (Window_t, Atom_t &, Atom_t &, Atom_t &, Time_t &) override
	Requests that the specified selection be converted to the specified target type.
void	CopyArea (Drawable_t src, Drawable_t dest, GContext_t gc, Int_t src_x, Int_t src_y, UInt_t width, UInt_t height, Int_t dest_x, Int_t dest_y) override
	Copy a drawable (i.e.
void	CopyGC (GContext_t org, GContext_t dest, Mask_t mask) override
	Copies graphics context from org to dest.
void	CopyPixmap (Int_t wid, Int_t xpos, Int_t ypos) override
	Copy the pixmap wid at the position xpos, ypos in the current window.
Pixmap_t	CreateBitmap (Drawable_t id, const char *bitmap, UInt_t width, UInt_t height) override
	Create a bitmap (i.e. pixmap with depth 1) from the bitmap data.
Cursor_t	CreateCursor (ECursor cursor) override
	Create cursor handle (just return cursor from cursor pool fCursors).
GContext_t	CreateGC (Drawable_t id, GCValues_t *gval) override
	Create a graphics context using the values set in gval (but only for those entries that are in the mask).
Drawable_t	CreateImage (UInt_t width, UInt_t height) override
	Create a client-side XImage. Returns handle to XImage.
Bool_t	CreatePictureFromData (Drawable_t id, char **data, Pixmap_t &pict, Pixmap_t &pict_mask, PictureAttributes_t &attr) override
	Create a picture pixmap from data.
Bool_t	CreatePictureFromFile (Drawable_t id, const char *filename, Pixmap_t &pict, Pixmap_t &pict_mask, PictureAttributes_t &attr) override
	Create a picture pixmap from data on file.
Pixmap_t	CreatePixmap (Drawable_t id, const char *bitmap, UInt_t width, UInt_t height, ULong_t forecolor, ULong_t backcolor, Int_t depth) override
	Create a pixmap from bitmap data.
Pixmap_t	CreatePixmap (Drawable_t id, UInt_t w, UInt_t h) override
	Creates a pixmap of the width and height you specified and returns a pixmap ID that identifies it.
Pixmap_t	CreatePixmapFromData (unsigned char *bits, UInt_t width, UInt_t height) override
	create pixmap from RGB data.
Region_t	CreateRegion () override
	Create a new empty region.
Window_t	CreateWindow (Window_t parent, Int_t x, Int_t y, UInt_t w, UInt_t h, UInt_t border, Int_t depth, UInt_t clss, void *visual, SetWindowAttributes_t *attr, UInt_t wtype) override
	Return handle to newly created X window.
void	DeleteFont (FontStruct_t fs) override
	Explicitly delete font structure obtained with LoadQueryFont().
void	DeleteGC (GContext_t gc) override
	Explicitly delete a graphics context.
void	DeleteImage (Drawable_t img) override
	Destroy XImage img.
void	DeletePictureData (void *data) override
	Delete picture data created by the function ReadPictureDataFromFile.
void	DeletePixmap (Pixmap_t pmap) override
	Explicitly delete pixmap resource.
void	DeleteProperty (Window_t, Atom_t &) override
	Deletes the specified property only if the property was defined on the specified window and causes the X server to generate a PropertyNotify event on the window unless the property does not exist.
void	DestroyRegion (Region_t reg) override
	Destroy region.
void	DestroySubwindows (Window_t id) override
	Destroy subwindows of this window.
void	DestroyWindow (Window_t id) override
	Destroy window.
const char *	DisplayName (const char *dpyName=nullptr) override
	Return hostname on which the display is opened.
void	DrawBox (Int_t x1, Int_t y1, Int_t x2, Int_t y2, EBoxMode mode) override
	Draw a box.
void	DrawCellArray (Int_t x1, Int_t y1, Int_t x2, Int_t y2, Int_t nx, Int_t ny, Int_t *ic) override
	Draw a cell array.
void	DrawFillArea (Int_t n, TPoint *xy) override
	Fill area described by polygon.
void	DrawLine (Drawable_t id, GContext_t gc, Int_t x1, Int_t y1, Int_t x2, Int_t y2) override
	Draw a line.
void	DrawLine (Int_t x1, Int_t y1, Int_t x2, Int_t y2) override
	Draw a line.
void	DrawPolyLine (Int_t n, TPoint *xy) override
	Draw a line through all points.
void	DrawPolyMarker (Int_t n, TPoint *xy) override
	Draw n markers with the current attributes at position x, y.
void	DrawRectangle (Drawable_t id, GContext_t gc, Int_t x, Int_t y, UInt_t w, UInt_t h) override
	Draw a rectangle outline.
void	DrawSegments (Drawable_t id, GContext_t gc, Segment_t *seg, Int_t nseg) override
	Draws multiple line segments. Each line is specified by a pair of points.
void	DrawString (Drawable_t id, GContext_t gc, Int_t x, Int_t y, const char *s, Int_t len) override
	Draw a string using a specific graphics context in position (x,y).
Bool_t	EmptyRegion (Region_t reg) override
	Return true if the region is empty.
Bool_t	EqualRegion (Region_t rega, Region_t regb) override
	Returns true if two regions are equal.
Int_t	EventsPending () override
	Returns number of pending events.
void	FillPolygon (Window_t id, GContext_t gc, Point_t *points, Int_t npnt) override
	FillPolygon fills the region closed by the specified path.
void	FillRectangle (Drawable_t id, GContext_t gc, Int_t x, Int_t y, UInt_t w, UInt_t h) override
	Draw a filled rectangle. Filling is done according to the gc.
Window_t	FindRWindow (Window_t win, Window_t dragwin, Window_t input, int x, int y, int maxd) override
	Recursively search in the children of Window for a Window which is at location x, y and is DND aware, with a maximum depth of maxd.
void	FreeColor (Colormap_t cmap, ULong_t pixel) override
	Free color cell with specified pixel value.
void	FreeFontNames (char **fontlist) override
	Free list of font names.
void	FreeFontStruct (FontStruct_t fs) override
	Free font structure returned by GetFontStruct().
void	GetCharacterUp (Float_t &chupx, Float_t &chupy) override
	Return character up vector.
unsigned char *	GetColorBits (Drawable_t wid, Int_t x=0, Int_t y=0, UInt_t w=0, UInt_t h=0) override
	Returns an array of pixels created from a part of drawable (defined by x, y, w, h) in format: b1, g1, r1, 0, b2, g2, r2, 0, ..., bn, gn, rn, 0.
Colormap_t	GetColormap () const override
	Returns handle to colormap (might be useful in some cases where direct X11 manipulation outside of TVirtualX is needed, e.g.
Window_t	GetCurrentWindow () const override
	Return current window pointer. Protected method used by TGX11TTF.
Window_t	GetDefaultRootWindow () const override
	Return handle to the default root window created when calling XOpenDisplay().
Int_t	GetDepth () const override
	Returns depth of screen (number of bit planes).
Display_t	GetDisplay () const override
	Returns handle to display (might be useful in some cases where direct X11 manipulation outside of TVirtualX is needed, e.g.
Int_t	GetDoubleBuffer (Int_t wid) override
	Query the double buffer value for the window wid.
FontH_t	GetFontHandle (FontStruct_t fs) override
	Return handle to font described by font structure.
void	GetFontProperties (FontStruct_t font, Int_t &max_ascent, Int_t &max_descent) override
	Return some font properties.
FontStruct_t	GetFontStruct (FontH_t fh) override
	Retrieve associated font structure once we have the font handle.
void	GetGCValues (GContext_t gc, GCValues_t &gval) override
	Get current values from graphics context gc.
void	GetGeometry (Int_t wid, Int_t &x, Int_t &y, UInt_t &w, UInt_t &h) override
	Return position and size of window wid.
void	GetImageSize (Drawable_t id, UInt_t &width, UInt_t &height) override
	Get size of XImage img.
Window_t	GetInputFocus () override
	Returns the window id of the window having the input focus.
Handle_t	GetNativeEvent () const override
	Returns the current native event handle.
Window_t	GetParent (Window_t id) const override
	Return the parent of the window.
void	GetPasteBuffer (Window_t id, Atom_t atom, TString &text, Int_t &nchar, Bool_t del) override
	Get contents of paste buffer atom into string.
ULong_t	GetPixel (Color_t cindex) override
	Return pixel value associated to specified ROOT color number.
void	GetPlanes (Int_t &nplanes) override
	Get maximum number of planes.
Window_t	GetPrimarySelectionOwner () override
	Returns the window id of the current owner of the primary selection.
Int_t	GetProperty (Window_t, Atom_t, Long_t, Long_t, Bool_t, Atom_t, Atom_t *, Int_t *, ULong_t *, ULong_t *, unsigned char **) override
	Returns the actual type of the property; the actual format of the property; the number of 8-bit, 16-bit, or 32-bit items transferred; the number of bytes remaining to be read in the property; and a pointer to the data actually returned.
void	GetRegionBox (Region_t reg, Rectangle_t *) override
	Return smallest enclosing rectangle.
void	GetRGB (Int_t index, Float_t &r, Float_t &g, Float_t &b) override
	Get rgb values for color "index".
Int_t	GetScreen () const override
	Returns screen number (might be useful in some cases where direct X11 manipulation outside of TVirtualX is needed, e.g.
void	GetTextExtent (UInt_t &, UInt_t &, wchar_t *) override
	Returns the size of the specified character string "mess".
void	GetTextExtent (UInt_t &w, UInt_t &h, char *mess) override
	Return the size of a character string.
Float_t	GetTextMagnitude () override
	Returns the current font magnification factor.
Visual_t	GetVisual () const override
	Returns handle to visual (might be useful in some cases where direct X11 manipulation outside of TVirtualX is needed, e.g.
void	GetWindowAttributes (Window_t id, WindowAttributes_t &attr) override
	Get window attributes and return filled in attributes structure.
Window_t	GetWindowID (Int_t wid) override
	Return the X11 window identifier.
void	GetWindowSize (Drawable_t id, Int_t &x, Int_t &y, UInt_t &w, UInt_t &h) override
	Return geometry of window (should be called GetGeometry but signature already used).
void	GrabButton (Window_t id, EMouseButton button, UInt_t modifier, UInt_t evmask, Window_t confine, Cursor_t cursor, Bool_t grab=kTRUE) override
	Establish passive grab on a certain mouse button.
void	GrabKey (Window_t id, Int_t keycode, UInt_t modifier, Bool_t grab=kTRUE) override
	Establish passive grab on a certain key.
void	GrabPointer (Window_t id, UInt_t evmask, Window_t confine, Cursor_t cursor, Bool_t grab=kTRUE, Bool_t owner_events=kTRUE) override
	Establish an active pointer grab.
Bool_t	HasTTFonts () const override
	Returns True when TrueType fonts are used.
void	IconifyWindow (Window_t id) override
	Iconify the window.
Int_t	InitWindow (ULong_t window) override
	Open window and return window number.
Atom_t	InternAtom (const char *atom_name, Bool_t only_if_exist) override
	Return atom handle for atom_name.
void	IntersectRegion (Region_t rega, Region_t regb, Region_t result) override
	Compute the intersection of rega and regb and return result region.
Bool_t	IsDNDAware (Window_t win, Atom_t *typelist) override
	Checks if Window win is DND aware, and knows any of the DND formats passed in argument.
Int_t	KeysymToKeycode (UInt_t keysym) override
	Convert a keysym to the appropriate keycode.
char **	ListFonts (const char *fontname, Int_t max, Int_t &count) override
	Return list of font names matching fontname regexp, like "-*-times-*".
FontStruct_t	LoadQueryFont (const char *font_name) override
	Load font and query font.
void	LookupString (Event_t *event, char *buf, Int_t buflen, UInt_t &keysym) override
	Convert the keycode from the event structure to a key symbol (according to the modifiers specified in the event structure and the current keyboard mapping).
void	LowerWindow (Window_t id) override
	Lower window so it lays below all its siblings.
void	MapRaised (Window_t id) override
	Map window on screen and put on top of all windows.
void	MapSubwindows (Window_t id) override
	Map sub windows.
void	MapWindow (Window_t id) override
	Map window on screen.
void	MoveResizeWindow (Window_t id, Int_t x, Int_t y, UInt_t w, UInt_t h) override
	Move and resize a window.
void	MoveWindow (Int_t wid, Int_t x, Int_t y) override
	Move the window wid.
void	MoveWindow (Window_t id, Int_t x, Int_t y) override
	Move a window.
void	NextEvent (Event_t &event) override
	Copies first pending event from event queue to Event_t structure and removes event from queue.
Int_t	OpenDisplay (const char *dpyName) override
	Open connection to display server (if such a thing exist on the current platform).
Int_t	OpenDisplay (void *display)
	Open the display. Return -1 if the opening fails, 0 when ok.
Int_t	OpenPixmap (UInt_t w, UInt_t h) override
	Open a new pixmap.
Bool_t	ParseColor (Colormap_t cmap, const char *cname, ColorStruct_t &color) override
	Parse string cname containing color name, like "green" or "#00FF00".
Bool_t	PointInRegion (Int_t x, Int_t y, Region_t reg) override
	Returns true if the point x,y is in the region.
Region_t	PolygonRegion (Point_t *points, Int_t np, Bool_t winding) override
	Create region for the polygon defined by the points array.
void	PutImage (Drawable_t id, GContext_t gc, Drawable_t img, Int_t dx, Int_t dy, Int_t x, Int_t y, UInt_t w, UInt_t h) override
	Put (x,y,w,h) part of image img in window win at position dx,dy.
void	PutPixel (Drawable_t id, Int_t x, Int_t y, ULong_t pixel) override
	Set pixel at specified location in XImage img.
void	QueryColor (Colormap_t cmap, ColorStruct_t &color) override
	Fill in the primary color components for a specific pixel value.
void	QueryPointer (Int_t &ix, Int_t &iy) override
	Query pointer position.
void	QueryPointer (Window_t id, Window_t &rootw, Window_t &childw, Int_t &root_x, Int_t &root_y, Int_t &win_x, Int_t &win_y, UInt_t &mask) override
	Returns the root window the pointer is logically on and the pointer coordinates relative to the root window's origin.
void	RaiseWindow (Window_t id) override
	Put window on top of window stack.
Pixmap_t	ReadGIF (Int_t x0, Int_t y0, const char *file, Window_t id=0) override
	If id is NULL - loads the specified gif file at position [x0,y0] in the current window.
Bool_t	ReadPictureDataFromFile (const char *filename, char ***ret_data) override
	Read picture data from file and store in ret_data.
void	RemoveWindow (ULong_t qwid) override
	Remove a window created by Qt (like CloseWindow1()).
void	ReparentWindow (Window_t id, Window_t pid, Int_t x, Int_t y) override
	Reparent window to new parent window at position (x,y).
Int_t	RequestLocator (Int_t mode, Int_t ctyp, Int_t &x, Int_t &y) override
	Request Locator position.
Int_t	RequestString (Int_t x, Int_t y, char *text) override
	Request a string.
void	RescaleWindow (Int_t wid, UInt_t w, UInt_t h) override
	Rescale the window wid.
Int_t	ResizePixmap (Int_t wid, UInt_t w, UInt_t h) override
	Resize a pixmap.
void	ResizeWindow (Int_t wid) override
	Resize the current window if necessary.
void	ResizeWindow (Window_t id, UInt_t w, UInt_t h) override
	Resize the window.
UInt_t	ScreenWidthMM () const override
	Returns the width of the screen in millimeters.
void	SelectInput (Window_t id, UInt_t evmask) override
	Defines which input events the window is interested in.
void	SelectWindow (Int_t wid) override
	Select window to which subsequent output is directed.
void	SendEvent (Window_t id, Event_t *ev) override
	Send event ev to window id.
void	SetCharacterUp (Float_t chupx, Float_t chupy) override
	Set character up vector.
void	SetClassHints (Window_t id, char *className, char *resourceName) override
	Set the windows class and resource name.
void	SetClipOFF (Int_t wid) override
	Turn off the clipping for the window wid.
void	SetClipRectangles (GContext_t gc, Int_t x, Int_t y, Rectangle_t *recs, Int_t n) override
	Set clipping rectangles in graphics context.
void	SetClipRegion (Int_t wid, Int_t x, Int_t y, UInt_t w, UInt_t h) override
	Set clipping region for the window wid.
void	SetCursor (Int_t win, ECursor cursor) override
	Set the cursor.
void	SetCursor (Window_t id, Cursor_t curid) override
	Set the specified cursor.
void	SetDashes (GContext_t gc, Int_t offset, const char *dash_list, Int_t n) override
	Specify a dash pattern.
void	SetDNDAware (Window_t, Atom_t *) override
	Add XdndAware property and the list of drag and drop types to the Window win.
void	SetDoubleBuffer (Int_t wid, Int_t mode) override
	Set the double buffer on/off on window wid.
void	SetDoubleBufferOFF () override
	Turn double buffer mode off.
void	SetDoubleBufferON () override
	Turn double buffer mode on.
void	SetDrawMode (EDrawMode mode) override
	Set the drawing mode.
void	SetFillColor (Color_t cindex) override
	Set color index for fill areas.
void	SetFillStyle (Style_t style) override
	Set fill area style.
void	SetForeground (GContext_t gc, ULong_t foreground) override
	Set foreground color in graphics context (shortcut for ChangeGC with only foreground mask set).
void	SetIconName (Window_t id, char *name) override
	Set window icon name.
void	SetIconPixmap (Window_t id, Pixmap_t pic) override
	Set pixmap the WM can use when the window is iconized.
void	SetInputFocus (Window_t id) override
	Set keyboard input focus to window id.
void	SetKeyAutoRepeat (Bool_t on=kTRUE) override
	Turn key auto repeat on or off.
void	SetLineColor (Color_t cindex) override
	Set color index for lines.
void	SetLineStyle (Style_t linestyle) override
	Set line style.
void	SetLineType (Int_t n, Int_t *dash) override
	Set line type.
void	SetLineWidth (Width_t width) override
	Set line width.
void	SetMarkerColor (Color_t cindex) override
	Set color index for markers.
void	SetMarkerSize (Float_t markersize) override
	Set marker size index.
void	SetMarkerStyle (Style_t markerstyle) override
	Set marker style.
void	SetMWMHints (Window_t id, UInt_t value, UInt_t funcs, UInt_t input) override
	Set decoration style for MWM-compatible wm (mwm, ncdwm, fvwm?).
void	SetOpacity (Int_t percent) override
	Set opacity of a window.
void	SetPrimarySelectionOwner (Window_t id) override
	Makes the window id the current owner of the primary selection.
void	SetRGB (Int_t cindex, Float_t r, Float_t g, Float_t b) override
	Set color intensities for given color index.
Bool_t	SetSelectionOwner (Window_t, Atom_t &) override
	Changes the owner and last-change time for the specified selection.
void	SetTextAlign (Short_t talign=11) override
	Set text alignment.
void	SetTextColor (Color_t cindex) override
	Set color index for text.
void	SetTextMagnitude (Float_t mgn=1) override
	Sets the current text magnification factor to "mgn".
void	SetTypeList (Window_t win, Atom_t prop, Atom_t *typelist) override
	Add the list of drag and drop types to the Window win.
void	SetWindowBackground (Window_t id, ULong_t color) override
	Set the window background color.
void	SetWindowBackgroundPixmap (Window_t id, Pixmap_t pxm) override
	Set pixmap as window background.
void	SetWindowName (Window_t id, char *name) override
	Set window name.
void	SetWMPosition (Window_t id, Int_t x, Int_t y) override
	Tell the window manager the desired window position.
void	SetWMSize (Window_t id, UInt_t w, UInt_t h) override
	Tell the window manager the desired window size.
void	SetWMSizeHints (Window_t id, UInt_t wmin, UInt_t hmin, UInt_t wmax, UInt_t hmax, UInt_t winc, UInt_t hinc) override
	Give the window manager minimum and maximum size hints.
void	SetWMState (Window_t id, EInitialState state) override
	Set the initial state of the window. Either kNormalState or kIconicState.
void	SetWMTransientHint (Window_t id, Window_t main_id) override
	Tell window manager that window is a transient window of main.
void	ShapeCombineMask (Window_t id, Int_t x, Int_t y, Pixmap_t mask) override
	The Nonrectangular Window Shape Extension adds nonrectangular windows to the System.
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
void	SubtractRegion (Region_t rega, Region_t regb, Region_t result) override
	Subtract rega from regb.
Int_t	SupportsExtension (const char *ext) const override
	Returns 1 if window system server supports extension given by the argument, returns 0 in case extension is not supported and returns -1 in case of error (like server not initialized).
void	Sync (Int_t mode) override
	Set synchronisation on or off.
Int_t	TextWidth (FontStruct_t font, const char *s, Int_t len) override
	Return length of string in pixels. Size depends on font.
void	TranslateCoordinates (Window_t src, Window_t dest, Int_t src_x, Int_t src_y, Int_t &dest_x, Int_t &dest_y, Window_t &child) override
	TranslateCoordinates translates coordinates from the frame of reference of one window to another.
void	UnionRectWithRegion (Rectangle_t *rect, Region_t src, Region_t dest) override
	Union of rectangle with a region.
void	UnionRegion (Region_t rega, Region_t regb, Region_t result) override
	Compute the union of rega and regb and return result region.
void	UnmapWindow (Window_t id) override
	Unmap window from screen.
void	Update (Int_t mode=0) override
	Flush (mode = 0, default) or synchronize (mode = 1) X output buffer.
void	UpdateWindow (Int_t mode) override
	Update display.
void	Warp (Int_t ix, Int_t iy, Window_t id=0) override
	Set pointer position.
void	WMDeleteNotify (Window_t id) override
	Tell WM to send message when window is closed via WM.
Int_t	WriteGIF (char *name) override
	Writes the current window into GIF file.
void	WritePixmap (Int_t wid, UInt_t w, UInt_t h, char *pxname) override
	Write the pixmap wid in the bitmap file pxname.
void	XorRegion (Region_t rega, Region_t regb, Region_t result) override
	Calculate the difference between the union and intersection of two regions.
Public Member Functions inherited from TVirtualX
	TVirtualX ()
	TVirtualX (const char *name, const char *title)
	Ctor of ABC.
virtual	~TVirtualX ()
virtual void	BeginModalSessionFor (Window_t window)
	Start a modal session for a dialog window.
virtual void	CreateOpenGLContext (Int_t wid=0)
	Creates OpenGL context for window "wid".
virtual Handle_t	CreateOpenGLContext (Window_t windowID, Handle_t sharedContext)
	Creates OpenGL context for window "windowID".
virtual Window_t	CreateOpenGLWindow (Window_t parentID, UInt_t width, UInt_t height, const std::vector< std::pair< UInt_t, Int_t > > &format)
	Create window with special pixel format. Noop everywhere except Cocoa.
virtual void	DeleteOpenGLContext (Int_t wid=0)
	Deletes OpenGL context for window "wid".
virtual void	DispatchClientMessage (UInt_t messageID)
	Force processing of event, sent by SendEvent before.
virtual UInt_t	ExecCommand (TGWin32Command *code)
	Executes the command "code" coming from the other threads (Win32)
virtual void	FlushOpenGLBuffer (Handle_t ctx)
	Flushes OpenGL buffer.
virtual Handle_t	GetCurrentOpenGLContext ()
	Asks OpenGL subsystem about the current OpenGL context.
EDrawMode	GetDrawMode ()
virtual Int_t	GetFontAscent () const
	Returns the ascent of the current font (in pixels).
virtual Int_t	GetFontAscent (const char *mess) const
	Default version is noop, but in principle what ROOT understands as ascent is text related.
virtual Int_t	GetFontDescent () const
	Returns the descent of the current font (in pixels.
virtual Int_t	GetFontDescent (const char *mess) const
	Default version is noop, but in principle what ROOT understands as descent requires a certain text.
virtual FontStruct_t	GetGCFont (GContext_t gc)
	Return the font associated with the graphics context gc.
virtual Double_t	GetOpenGLScalingFactor ()
	On a HiDPI resolution it can be > 1., this means glViewport should use scaled width and height.
TClass *	IsA () const override
virtual Bool_t	IsCmdThread () const
virtual Bool_t	MakeOpenGLContextCurrent (Handle_t ctx, Window_t windowID)
	Makes context ctx current OpenGL context.
virtual void	MapGCFont (GContext_t, FontStruct_t)
	Map the XftFont with the Graphics Context using it.
virtual Bool_t	NeedRedraw (ULongptr_t tgwindow, Bool_t force)
	Notify the low level GUI layer ROOT requires "tgwindow" to be updated.
virtual void	SelectPixmap (Int_t qpixid)
	Selects the pixmap "qpixid".
void	SetFillColor (Color_t cindex) override
	Sets color index "cindex" for fill areas.
void	SetFillStyle (Style_t style) override
	Sets fill area style.
void	SetLineColor (Color_t cindex) override
	Sets color index "cindex" for drawing lines.
void	SetLineStyle (Style_t linestyle) override
	Sets the line style.
void	SetLineWidth (Width_t width) override
	Sets the line width.
void	SetMarkerColor (Color_t cindex) override
	Sets color index "cindex" for markers.
void	SetMarkerSize (Float_t markersize) override
	Sets marker size index.
void	SetMarkerStyle (Style_t markerstyle) override
	Sets marker style.
void	SetTextAlign (Short_t talign=11) override
	Sets the text alignment.
void	SetTextColor (Color_t cindex) override
	Sets the color index "cindex" for text.
void	SetTextFont (Font_t fontnumber) override
	Sets the current text font number.
void	SetTextSize (Float_t textsize) override
	Sets the current text size to "textsize".
void	Streamer (TBuffer &) override
	Stream an object of class TObject.
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
Public Member Functions inherited from TNamed
	TNamed ()
	TNamed (const char *name, const char *title)
	TNamed (const TNamed &named)
	TNamed copy ctor.
	TNamed (const TString &name, const TString &title)
virtual	~TNamed ()
	TNamed destructor.
void	Clear (Option_t *option="") override
	Set name and title to empty strings ("").
TObject *	Clone (const char *newname="") const override
	Make a clone of an object using the Streamer facility.
Int_t	Compare (const TObject *obj) const override
	Compare two TNamed objects.
void	Copy (TObject &named) const override
	Copy this to obj.
virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer.
const char *	GetName () const override
	Returns name of object.
const char *	GetTitle () const override
	Returns title of object.
ULong_t	Hash () const override
	Return hash value for this object.
Bool_t	IsSortable () const override
void	ls (Option_t *option="") const override
	List TNamed name and title.
TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator.
void	Print (Option_t *option="") const override
	Print TNamed name and title.
virtual void	SetName (const char *name)
	Set the name of the TNamed.
virtual void	SetNameTitle (const char *name, const char *title)
	Set all the TNamed parameters (name and title).
virtual void	SetTitle (const char *title="")
	Set the title of the TNamed.
virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject.
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.
	TObject (const TObject &object)
	TObject copy ctor.
virtual	~TObject ()
	TObject destructor.
void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract.
virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad.
virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action.
ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.
virtual const char *	ClassName () const
	Returns name of class to which the object belongs.
virtual void	Delete (Option_t *option="")
	Delete this object.
virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object.
virtual void	Draw (Option_t *option="")
	Default Draw method for all objects.
virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs.
virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad with: gROOT->SetSelectedPad(c1).
virtual void	Dump () const
	Dump contents of object on stdout.
virtual void	Error (const char *method, const char *msgfmt,...) const
	Issue error message.
virtual void	Execute (const char *method, const char *params, Int_t *error=nullptr)
	Execute method on this object with the given parameter string, e.g.
virtual void	Execute (TMethod *method, TObjArray *params, Int_t *error=nullptr)
	Execute method on this object with parameters stored in the TObjArray.
virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py).
virtual void	Fatal (const char *method, const char *msgfmt,...) const
	Issue fatal error message.
virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.
virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.
virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object.
virtual const char *	GetIconName () const
	Returns mime type name of object.
virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py).
virtual Option_t *	GetOption () const
virtual UInt_t	GetUniqueID () const
	Return the unique object id.
virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.
Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.
virtual void	Info (const char *method, const char *msgfmt,...) const
	Issue info message.
virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname".
virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl.
virtual void	Inspect () const
	Dump contents of this object in a graphics canvas.
void	InvertBit (UInt_t f)
Bool_t	IsDestructed () const
	IsDestructed.
virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory).
virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).
R__ALWAYS_INLINE Bool_t	IsOnHeap () const
R__ALWAYS_INLINE Bool_t	IsZombie () const
void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary).
virtual Bool_t	Notify ()
	This method must be overridden to handle object notification (the base implementation is no-op).
void	Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete.
void	operator delete (void *ptr)
	Operator delete.
void	operator delete (void *ptr, void *vp)
	Only called by placement new when throwing an exception.
void	operator delete[] (void *ptr)
	Operator delete [].
void	operator delete[] (void *ptr, void *vp)
	Only called by placement new[] when throwing an exception.
void *	operator new (size_t sz)
void *	operator new (size_t sz, void *vp)
void *	operator new[] (size_t sz)
void *	operator new[] (size_t sz, void *vp)
TObject &	operator= (const TObject &rhs)
	TObject assignment operator.
virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself.
virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list.
virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory.
virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list.
void	ResetBit (UInt_t f)
virtual void	SaveAs (const char *filename="", Option_t *option="") const
	Save this object in the file specified by filename.
virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out".
void	SetBit (UInt_t f)
void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f.
virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object.
virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id.
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
virtual void	SysError (const char *method, const char *msgfmt,...) const
	Issue system error message.
R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const
Int_t	TestBits (UInt_t f) const
virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.
virtual void	Warning (const char *method, const char *msgfmt,...) const
	Issue warning message.
virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.
virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.
Public Member Functions inherited from TAttLine
	TAttLine ()
	AttLine default constructor.
	TAttLine (Color_t lcolor, Style_t lstyle, Width_t lwidth)
	AttLine normal constructor.
virtual	~TAttLine ()
	AttLine destructor.
void	Copy (TAttLine &attline) const
	Copy this line attributes to a new TAttLine.
Int_t	DistancetoLine (Int_t px, Int_t py, Double_t xp1, Double_t yp1, Double_t xp2, Double_t yp2)
	Compute distance from point px,py to a line.
virtual Color_t	GetLineColor () const
	Return the line color.
virtual Style_t	GetLineStyle () const
	Return the line style.
virtual Width_t	GetLineWidth () const
	Return the line width.
virtual void	Modify ()
	Change current line attributes if necessary.
virtual void	ResetAttLine (Option_t *option="")
	Reset this line attributes to default values.
virtual void	SaveLineAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t widdef=1)
	Save line attributes as C++ statement(s) on output stream out.
virtual void	SetLineAttributes ()
	Invoke the DialogCanvas Line attributes.
virtual void	SetLineColorAlpha (Color_t lcolor, Float_t lalpha)
	Set a transparent line color.
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
Public Member Functions inherited from TAttFill
	TAttFill ()
	AttFill default constructor.
	TAttFill (Color_t fcolor, Style_t fstyle)
	AttFill normal constructor.
virtual	~TAttFill ()
	AttFill destructor.
void	Copy (TAttFill &attfill) const
	Copy this fill attributes to a new TAttFill.
virtual Color_t	GetFillColor () const
	Return the fill area color.
virtual Style_t	GetFillStyle () const
	Return the fill area style.
virtual Bool_t	IsTransparent () const
virtual void	Modify ()
	Change current fill area attributes if necessary.
virtual void	ResetAttFill (Option_t *option="")
	Reset this fill attributes to default values.
virtual void	SaveFillAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1001)
	Save fill attributes as C++ statement(s) on output stream out.
virtual void	SetFillAttributes ()
	Invoke the DialogCanvas Fill attributes.
virtual void	SetFillColorAlpha (Color_t fcolor, Float_t falpha)
	Set a transparent fill color.
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
Public Member Functions inherited from TAttText
	TAttText ()
	AttText default constructor.
	TAttText (Int_t align, Float_t angle, Color_t color, Style_t font, Float_t tsize)
	AttText normal constructor.
virtual	~TAttText ()
	AttText destructor.
void	Copy (TAttText &atttext) const
	Copy this text attributes to a new TAttText.
virtual Short_t	GetTextAlign () const
	Return the text alignment.
virtual Float_t	GetTextAngle () const
	Return the text angle.
virtual Color_t	GetTextColor () const
	Return the text color.
virtual Font_t	GetTextFont () const
	Return the text font.
virtual Float_t	GetTextSize () const
	Return the text size.
virtual Float_t	GetTextSizePercent (Float_t size)
	Return the text in percent of the pad size.
virtual void	Modify ()
	Change current text attributes if necessary.
virtual void	ResetAttText (Option_t *toption="")
	Reset this text attributes to default values.
virtual void	SaveTextAttributes (std::ostream &out, const char *name, Int_t alidef=12, Float_t angdef=0, Int_t coldef=1, Int_t fondef=61, Float_t sizdef=1)
	Save text attributes as C++ statement(s) on output stream out.
virtual void	SetTextAngle (Float_t tangle=0)
	Set the text angle.
virtual void	SetTextAttributes ()
	Invoke the DialogCanvas Text attributes.
virtual void	SetTextColorAlpha (Color_t tcolor, Float_t talpha)
	Set a transparent marker color.
virtual void	SetTextSizePixels (Int_t npixels)
	Set the text size in pixel.
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
Public Member Functions inherited from TAttMarker
	TAttMarker ()
	TAttMarker default constructor.
	TAttMarker (Color_t color, Style_t style, Size_t msize)
	TAttMarker normal constructor.
virtual	~TAttMarker ()
	TAttMarker destructor.
void	Copy (TAttMarker &attmarker) const
	Copy this marker attributes to a new TAttMarker.
virtual Color_t	GetMarkerColor () const
	Return the marker color.
virtual Size_t	GetMarkerSize () const
	Return the marker size.
virtual Style_t	GetMarkerStyle () const
	Return the marker style.
virtual void	Modify ()
	Change current marker attributes if necessary.
virtual void	ResetAttMarker (Option_t *toption="")
	Reset this marker attributes to the default values.
virtual void	SaveMarkerAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t sizdef=1)
	Save line attributes as C++ statement(s) on output stream out.
virtual void	SetMarkerAttributes ()
	Invoke the DialogCanvas Marker attributes.
virtual void	SetMarkerColorAlpha (Color_t mcolor, Float_t malpha)
	Set a transparent marker color.
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static void	Activate ()
	Static method setting TGX11TTF as the acting gVirtualX.
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
Static Public Member Functions inherited from TGX11
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
Static Public Member Functions inherited from TVirtualX
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
static TVirtualX *&	Instance ()
	Returns gVirtualX global.
Static Public Member Functions inherited from TNamed
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
Static Public Member Functions inherited from TObject
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
static Longptr_t	GetDtorOnly ()
	Return destructor only flag.
static Bool_t	GetObjectStat ()
	Get status of object stat flag.
static void	SetDtorOnly (void *obj)
	Set destructor only flag.
static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable.
Static Public Member Functions inherited from TAttLine
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
Static Public Member Functions inherited from TAttFill
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
Static Public Member Functions inherited from TAttText
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
Static Public Member Functions inherited from TAttMarker
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
static Width_t	GetMarkerLineWidth (Style_t style)
	Internal helper function that returns the line width of the given marker style (0 = filled marker)
static Style_t	GetMarkerStyleBase (Style_t style)
	Internal helper function that returns the corresponding marker style with line width 1 for the given style.

Private Types
enum	EAlign {   kNone , kTLeft , kTCenter , kTRight ,   kMLeft , kMCenter , kMRight , kBLeft ,   kBCenter , kBRight }

Private Member Functions
void	Align (void)
	Compute alignment variables.
void	DrawImage (FT_Bitmap *source, ULong_t fore, ULong_t back, RXImage *xim, Int_t bx, Int_t by)
	Draw FT_Bitmap bitmap to xim image at position bx,by using specified foreground color.
RXImage *	GetBackground (Int_t x, Int_t y, UInt_t w, UInt_t h)
	Get the background of the current window in an XImage.
Bool_t	IsVisible (Int_t x, Int_t y, UInt_t w, UInt_t h)
	Test if there is really something to render.
void	RenderString (Int_t x, Int_t y, ETextMode mode)
	Perform the string rendering in the pad.

Private Attributes
FT_Vector	fAlign
	alignment vector

Additional Inherited Members
Public Types inherited from TVirtualX
enum	EBoxMode { kHollow , kFilled }
enum	EDrawMode { kCopy = 1 , kXor , kInvert }
enum	ETextMode { kClear , kOpaque }
enum	ETextSetMode { kCheck , kLoad }
Public Types inherited from TObject
enum	{   kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 ,   kBitMask = 0x00ffffff }
enum	{ kSingleKey = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) }
enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }
enum	EStatusBits {   kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) ,   kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }
Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }
Protected Member Functions inherited from TGX11
Bool_t	AllocColor (Colormap cmap, RXColor *color)
	Allocate color in colormap.
XColor_t &	GetColor (Int_t cid)
	Return reference to internal color structure associated to color index cid.
void *	GetGC (Int_t which) const
	Return desired Graphics Context ("which" maps directly on gGCList[]).
void	QueryColors (Colormap cmap, RXColor *colors, Int_t ncolors)
	Returns the current RGB value for the pixel in the XColor structure.
Protected Member Functions inherited from TObject
virtual void	DoError (int level, const char *location, const char *fmt, va_list va) const
	Interface to ErrorHandler (protected).
void	MakeZombie ()
Protected Attributes inherited from TGX11
ULong_t	fBlackPixel
	Value of black pixel in colormap.
Int_t	fBlueDiv
	Blue value divider.
Int_t	fBlueShift
	Bits to left shift blue.
Float_t	fCharacterUpX
	Character Up vector along X.
Float_t	fCharacterUpY
	Character Up vector along Y.
Colormap	fColormap
	Default colormap, 0 if b/w.
Int_t	fDepth
	Number of color planes.
void *	fDisplay
	Pointer to display.
Int_t	fGreenDiv
	Green value divider.
Int_t	fGreenShift
	Bits to left shift green.
Bool_t	fHasTTFonts
	True when TrueType fonts are used.
Bool_t	fHasXft
	True when XftFonts are used.
Int_t	fRedDiv
	Red value divider, -1 if no TrueColor visual.
Int_t	fRedShift
	Bits to left shift red, -1 if no TrueColor visual.
Drawable	fRootWin
	Root window used as parent of all windows.
Int_t	fScreenNumber
	Screen number.
Int_t	fTextAlign
	Text alignment (set in SetTextAlign)
Int_t	fTextAlignH
	Text Alignment Horizontal.
Int_t	fTextAlignV
	Text Alignment Vertical.
Float_t	fTextMagnitude
	Text Magnitude.
Drawable	fVisRootWin
	Root window with fVisual to be used to create GC's and XImages.
RVisual *	fVisual
	Pointer to visual used by all windows.
ULong_t	fWhitePixel
	Value of white pixel in colormap.
Protected Attributes inherited from TVirtualX
EDrawMode	fDrawMode
Protected Attributes inherited from TNamed
TString	fName
TString	fTitle
Protected Attributes inherited from TAttLine
Color_t	fLineColor
	Line color.
Style_t	fLineStyle
	Line style.
Width_t	fLineWidth
	Line width.
Protected Attributes inherited from TAttFill
Color_t	fFillColor
	Fill area color.
Style_t	fFillStyle
	Fill area style.
Protected Attributes inherited from TAttText
Short_t	fTextAlign
	Text alignment.
Float_t	fTextAngle
	Text angle.
Color_t	fTextColor
	Text color.
Font_t	fTextFont
	Text font.
Float_t	fTextSize
	Text size.
Protected Attributes inherited from TAttMarker
Color_t	fMarkerColor
	Marker color.
Size_t	fMarkerSize
	Marker size.
Style_t	fMarkerStyle
	Marker style.

#include <TGX11TTF.h>

Inheritance diagram for TGX11TTF:

Member Enumeration Documentation

EAlign

enum TGX11TTF::EAlign

private

Enumerator
kNone
kTLeft
kTCenter
kTRight
kMLeft
kMCenter
kMRight
kBLeft
kBCenter
kBRight

Definition at line 30 of file TGX11TTF.h.

Constructor & Destructor Documentation

TGX11TTF()

TGX11TTF::TGX11TTF

(

const TGX11 &

org

)

Create copy of TGX11 but now use TrueType fonts.

Definition at line 152 of file TGX11TTF.cxx.

~TGX11TTF()

TGX11TTF::~TGX11TTF ( )

inlineoverride

Definition at line 47 of file TGX11TTF.h.

Member Function Documentation

Activate()

void TGX11TTF::Activate ( )

static

Static method setting TGX11TTF as the acting gVirtualX.

Definition at line 172 of file TGX11TTF.cxx.

Align()

void TGX11TTF::Align ( void  )

private

Compute alignment variables.

The alignment is done on the horizontal string then the rotation is applied on the alignment variables. SetRotation and LayoutGlyphs should have been called before.

Definition at line 213 of file TGX11TTF.cxx.

Class()

static TClass * TGX11TTF::Class ( )

static

Returns

TClass describing this class

Class_Name()

static const char * TGX11TTF::Class_Name ( )

static

Returns

Name of this class

Class_Version()

static constexpr Version_t TGX11TTF::Class_Version ( )

inlinestaticconstexpr

Returns

Version of this class

Definition at line 74 of file TGX11TTF.h.

DeclFileName()

static const char * TGX11TTF::DeclFileName ( )

inlinestatic

Returns

Name of the file containing the class declaration

Definition at line 74 of file TGX11TTF.h.

DrawImage()

void TGX11TTF::DrawImage ( FT_Bitmap *  source, ULong_t  fore, ULong_t  back, RXImage *  xim, Int_t  bx, Int_t  by  )

private

Draw FT_Bitmap bitmap to xim image at position bx,by using specified foreground color.

Definition at line 244 of file TGX11TTF.cxx.

DrawText() [1/2]

void TGX11TTF::DrawText ( Int_t  x, Int_t  y, Float_t  angle, Float_t  mgn, const char *  text, ETextMode  mode  )

overridevirtual

Draw text using TrueType fonts.

If TrueType fonts are not available the text is drawn with TGX11::DrawText.

Reimplemented from TGX11.

Definition at line 367 of file TGX11TTF.cxx.

DrawText() [2/2]

void TGX11TTF::DrawText ( Int_t  x, Int_t  y, Float_t  angle, Float_t  mgn, const wchar_t *  text, ETextMode  mode  )

overridevirtual

Draw text using TrueType fonts.

If TrueType fonts are not available the text is drawn with TGX11::DrawText.

Reimplemented from TGX11.

Definition at line 386 of file TGX11TTF.cxx.

GetBackground()

RXImage * TGX11TTF::GetBackground ( Int_t  x, Int_t  y, UInt_t  w, UInt_t  h  )

private

Get the background of the current window in an XImage.

Definition at line 404 of file TGX11TTF.cxx.

Init()

Bool_t TGX11TTF::Init ( void *  display )

overridevirtual

Initialize X11 system. Returns kFALSE in case of failure.

Reimplemented from TGX11.

Definition at line 184 of file TGX11TTF.cxx.

IsA()

TClass * TGX11TTF::IsA ( ) const

inlineoverridevirtual

Returns

TClass describing current object

Reimplemented from TGX11.

Definition at line 74 of file TGX11TTF.h.

IsVisible()

Bool_t TGX11TTF::IsVisible ( Int_t  x, Int_t  y, UInt_t  w, UInt_t  h  )

private

Test if there is really something to render.

Definition at line 430 of file TGX11TTF.cxx.

RenderString()

void TGX11TTF::RenderString ( Int_t  x, Int_t  y, ETextMode  mode  )

private

Perform the string rendering in the pad.

LayoutGlyphs should have been called before.

Definition at line 458 of file TGX11TTF.cxx.

SetTextFont() [1/2]

Int_t TGX11TTF::SetTextFont ( char *  fontname, ETextSetMode  mode  )

overridevirtual

Set text font to specified name.

mode : loading flag mode=0 : search if the font exist (kCheck) mode=1 : search the font and load it if it exists (kLoad) font : font name

Set text font to specified name. This function returns 0 if the specified font is found, 1 if not.

Reimplemented from TGX11.

Definition at line 567 of file TGX11TTF.cxx.

SetTextFont() [2/2]

void TGX11TTF::SetTextFont ( Font_t  fontnumber )

overridevirtual

Set specified font.

Reimplemented from TGX11.

Definition at line 547 of file TGX11TTF.cxx.

SetTextSize()

void TGX11TTF::SetTextSize ( Float_t  textsize )

overridevirtual

Set current text size.

Reimplemented from TGX11.

Definition at line 579 of file TGX11TTF.cxx.

Streamer()

void TGX11TTF::Streamer ( TBuffer &  R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TGX11.

StreamerNVirtual()

void TGX11TTF::StreamerNVirtual ( TBuffer &  ClassDef_StreamerNVirtual_b )

inline

Definition at line 74 of file TGX11TTF.h.

Member Data Documentation

fAlign

FT_Vector TGX11TTF::fAlign

private

alignment vector

Definition at line 33 of file TGX11TTF.h.

Libraries for TGX11TTF:

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The documentation for this class was generated from the following files:

• graf2d/x11ttf/inc/TGX11TTF.h
• graf2d/x11ttf/src/TGX11TTF.cxx