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TGX11TTF.h
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1// @(#)root/x11ttf:$Id$
2// Author: Olivier Couet 01/10/02
3// Author: Fons Rademakers 21/11/98
4
5/*************************************************************************
6 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
7 * All rights reserved. *
8 * *
9 * For the licensing terms see $ROOTSYS/LICENSE. *
10 * For the list of contributors see $ROOTSYS/README/CREDITS. *
11 *************************************************************************/
12
13#ifndef ROOT_TGX11TTF
14#define ROOT_TGX11TTF
15
16
17#include "TGX11.h"
18
19#include "TTF.h"
20
21#include "RConfigure.h"
22
23#ifdef R__HAS_XFT
24class TXftFontHash;
25#endif
26
27class TGX11TTF : public TGX11 {
28
29private:
32
33 FT_Vector fAlign; ///< alignment vector
34#ifdef R__HAS_XFT
35 TXftFontHash *fXftFontHash; ///< hash table for Xft fonts
36#endif
37
38 void Align(void);
39 void DrawImage(FT_Bitmap *source, ULong_t fore, ULong_t back, RXImage *xim,
40 Int_t bx, Int_t by);
42 RXImage *GetBackground(Int_t x, Int_t y, UInt_t w, UInt_t h);
43 void RenderString(Int_t x, Int_t y, ETextMode mode);
44
45public:
46 TGX11TTF(const TGX11 &org);
47 virtual ~TGX11TTF() { }
48
49 Bool_t Init(void *display);
50 void DrawText(Int_t x, Int_t y, Float_t angle, Float_t mgn,
51 const char *text, ETextMode mode);
52 void DrawText(Int_t x, Int_t y, Float_t angle, Float_t mgn,
53 const wchar_t *text, ETextMode mode);
54 void SetTextFont(Font_t fontnumber);
55 Int_t SetTextFont(char *fontname, ETextSetMode mode);
56 void SetTextSize(Float_t textsize);
57
58#ifdef R__HAS_XFT
59 //---- Methods used text/fonts handling via Xft -----
60 //void SetClipRectangles(GContext_t gc, Int_t x, Int_t y, Rectangle_t *recs, Int_t n);
61 FontStruct_t LoadQueryFont(const char *font_name);
62 void DeleteFont(FontStruct_t fs);
63 void DeleteGC(GContext_t gc);
64 void DrawString(Drawable_t id, GContext_t gc, Int_t x, Int_t y, const char *s, Int_t len);
65 Int_t TextWidth(FontStruct_t font, const char *s, Int_t len);
66 void GetFontProperties(FontStruct_t font, Int_t &max_ascent, Int_t &max_descent);
69 void MapGCFont(GContext_t gc, FontStruct_t font);
70#endif
71
72 static void Activate();
73
74 ClassDef(TGX11TTF,0) //Interface to X11 + TTF font handling
75};
76
77#endif
Handle_t FontH_t
Definition: GuiTypes.h:34
Handle_t Drawable_t
Definition: GuiTypes.h:30
Handle_t GContext_t
Definition: GuiTypes.h:37
Handle_t FontStruct_t
Definition: GuiTypes.h:38
#define h(i)
Definition: RSha256.hxx:106
int Int_t
Definition: RtypesCore.h:41
unsigned int UInt_t
Definition: RtypesCore.h:42
unsigned long ULong_t
Definition: RtypesCore.h:51
bool Bool_t
Definition: RtypesCore.h:59
short Font_t
Definition: RtypesCore.h:75
float Float_t
Definition: RtypesCore.h:53
#define ClassDef(name, id)
Definition: Rtypes.h:324
Interface to low level X11 (Xlib).
Definition: TGX11TTF.h:27
void SetTextSize(Float_t textsize)
Set current text size.
Definition: TGX11TTF.cxx:587
void RenderString(Int_t x, Int_t y, ETextMode mode)
Perform the string rendering in the pad.
Definition: TGX11TTF.cxx:465
static void Activate()
Static method setting TGX11TTF as the acting gVirtualX.
Definition: TGX11TTF.cxx:179
void Align(void)
Compute alignment variables.
Definition: TGX11TTF.cxx:220
RXImage * GetBackground(Int_t x, Int_t y, UInt_t w, UInt_t h)
Get the background of the current window in an XImage.
Definition: TGX11TTF.cxx:411
virtual ~TGX11TTF()
Definition: TGX11TTF.h:47
void DrawText(Int_t x, Int_t y, Float_t angle, Float_t mgn, const char *text, ETextMode mode)
Draw text using TrueType fonts.
Definition: TGX11TTF.cxx:374
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.
Definition: TGX11TTF.cxx:251
FT_Vector fAlign
alignment vector
Definition: TGX11TTF.h:33
Bool_t Init(void *display)
Initialize X11 system. Returns kFALSE in case of failure.
Definition: TGX11TTF.cxx:191
TGX11TTF(const TGX11 &org)
Create copy of TGX11 but now use TrueType fonts.
Definition: TGX11TTF.cxx:159
Bool_t IsVisible(Int_t x, Int_t y, UInt_t w, UInt_t h)
Test if there is really something to render.
Definition: TGX11TTF.cxx:437
void SetTextFont(Font_t fontnumber)
Set specified font.
Definition: TGX11TTF.cxx:555
@ kMLeft
Definition: TGX11TTF.h:30
@ kTCenter
Definition: TGX11TTF.h:30
@ kNone
Definition: TGX11TTF.h:30
@ kBRight
Definition: TGX11TTF.h:31
@ kBCenter
Definition: TGX11TTF.h:31
@ kMCenter
Definition: TGX11TTF.h:30
@ kMRight
Definition: TGX11TTF.h:30
@ kBLeft
Definition: TGX11TTF.h:31
@ kTLeft
Definition: TGX11TTF.h:30
@ kTRight
Definition: TGX11TTF.h:30
This class is the basic interface to the X11 (Xlib) graphics system.
Definition: TGX11.h:83
void DrawString(Drawable_t id, GContext_t gc, Int_t x, Int_t y, const char *s, Int_t len)
Draw a string using a specific graphics context in position (x,y).
Definition: GX11Gui.cxx:2070
void DeleteGC(GContext_t gc)
Explicitly delete a graphics context.
Definition: GX11Gui.cxx:1047
FontH_t GetFontHandle(FontStruct_t fs)
Return handle to font described by font structure.
Definition: GX11Gui.cxx:965
void GetFontProperties(FontStruct_t font, Int_t &max_ascent, Int_t &max_descent)
Return some font properties.
Definition: GX11Gui.cxx:2089
Int_t TextWidth(FontStruct_t font, const char *s, Int_t len)
Return length of string in pixels. Size depends on font.
Definition: GX11Gui.cxx:2081
void DeleteFont(FontStruct_t fs)
Explicitly delete font structure obtained with LoadQueryFont().
Definition: GX11Gui.cxx:977
FontStruct_t LoadQueryFont(const char *font_name)
Load font and query font.
Definition: GX11Gui.cxx:956
virtual FontStruct_t GetGCFont(GContext_t gc)
Return the font associated with the graphics context gc.
Definition: TVirtualX.cxx:1844
virtual void MapGCFont(GContext_t, FontStruct_t)
Map the XftFont with the Graphics Context using it.
Definition: TVirtualX.cxx:2504
TText * text
Double_t y[n]
Definition: legend1.C:17
Double_t x[n]
Definition: legend1.C:17
static constexpr double s
#define org(otri, vertexptr)
Definition: triangle.c:1037