13#include "RConfigure.h"
24#include "TGLIncludes.h"
29# include <FTGL/ftgl.h>
32# include "FTGLExtrdFont.h"
33# include "FTGLOutlineFont.h"
34# include "FTGLPolygonFont.h"
35# include "FTGLTextureFont.h"
36# include "FTGLPixmapFont.h"
37# include "FTGLBitmapFont.h"
54 fFont(0), fManager(0), fDepth(0),
64 fFont(
f), fManager(mng), fDepth(0),
65 fSize(size), fFile(font), fMode(mode),
74 fFont(0), fManager(0), fDepth(0), fTrashCount(0)
118 return fFont->Ascender();
126 return -
fFont->Descender();
134 return fFont->LineHeight();
143 const char* txt)
const
146 const_cast<FTFont*
>(
fFont)->
BBox(txt, dum, lly, dum, dum, ury, dum);
149 line_height = ury - lly;
160 const_cast<FTFont*
>(
fFont)->
BBox(txt, llx, lly, llz, urx, ury, urz);
171 const_cast<FTFont*
>(
fFont)->
BBox(txt, llx, lly, llz, urx, ury, urz);
185 Float_t llx = 0.f, lly = 0.f, llz = 0.f, urx = 0.f, ury = 0.f, urz = 0.f;
186 BBox(txt, llx, lly, llz, urx, ury, urz);
197 const Double_t dx = urx - llx, dy = ury - lly;
205 if (
gVirtualX->InheritsFrom(
"TGCocoa")) {
264 glTranslated(
x,
y, 0.);
265 glRotated(angle, 0., 0., 1.);
266 glTranslated(xc, yc, 0.);
267 glTranslated(-0.5 * dx, -0.5 * dy, 0.);
299 glTranslatef(0.0f, 0.0f, 0.5f*
fDepth * 0.2f*
fSize);
300 glScalef(1.0f, 1.0f,
fDepth);
319 glTranslatef(
x,
y, z);
322 Float_t llx, lly, llz, urx, ury, urz;
323 BBox(txt, llx, lly, llz, urx, ury, urz);
353 glBitmap(0, 0, 0, 0,
x,
y, 0);
357 glTranslatef(
x,
y, 0);
372 glPushAttrib(GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_ENABLE_BIT);
373 glEnable(GL_ALPHA_TEST);
374 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
375 glAlphaFunc(GL_GEQUAL, 0.0625);
378 glPushAttrib(GL_POLYGON_BIT | GL_ENABLE_BIT);
379 glEnable(GL_TEXTURE_2D);
380 glDisable(GL_CULL_FACE);
381 glEnable(GL_ALPHA_TEST);
382 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
383 glAlphaFunc(GL_GEQUAL, 0.0625);
388 glPushAttrib(GL_POLYGON_BIT | GL_ENABLE_BIT);
389 glEnable(GL_NORMALIZE);
390 glDisable(GL_CULL_FACE);
393 Warning(
"TGLFont::PreRender",
"Font mode undefined.");
394 glPushAttrib(GL_LIGHTING_BIT);
399 glEnable(GL_LIGHTING);
401 glDisable(GL_LIGHTING);
434 delete it->first.GetFont();
469 ftfont =
new FTGLBitmapFont(
file);
472 ftfont =
new FTGLPixmapFont(
file);
475 ftfont =
new FTGLOutlineFont(
file);
478 ftfont =
new FTGLPolygonFont(
file);
481 ftfont =
new FTGLExtrdFont(
file);
482 ftfont->Depth(0.2*size);
485 ftfont =
new FTGLTextureFont(
file);
488 Error(
"TGLFontManager::RegisterFont",
"invalid FTGL type");
492 ftfont->FaceSize(size);
493 const TGLFont &mf =
fFontMap.insert(std::make_pair(
TGLFont(size, fileID, mode, ftfont, 0), 1)).first->first;
498 if (it->first.GetTrashCount() > 0) {
500 it->first.SetTrashCount(0);
524 if (cnt < farr->GetEntries())
527 Error(
"TGLFontManager::RegisterFont",
"unknown font name %s",
name);
543 assert(it->first.GetTrashCount() == 0);
544 it->first.IncTrashCount();
589 if (idx < 0) idx = 0;
598 if (ds < min) ds = min;
599 if (ds > max) ds = max;
610 Int_t fontIndex =
id / 10;
687 for (
Int_t i = 10; i <= 20; i+=2)
689 for (
Int_t i = 24; i <= 64; i+=4)
691 for (
Int_t i = 72; i <= 128; i+=8)
705 if ((*it)->IncTrashCount() > 10000)
710 delete (*it)->GetFont();
void Error(const char *location, const char *msgfmt,...)
void Warning(const char *location, const char *msgfmt,...)
R__EXTERN TSystem * gSystem
virtual Int_t GetValue(const char *name, Int_t dflt) const
Returns the integer value for a resource.
A FreeType GL font manager.
virtual ~TGLFontManager()
Destructor.
static TObjArray fgFontFileArray
void RegisterFont(Int_t size, Int_t file, TGLFont::EMode mode, TGLFont &out)
Provide font with given size, file and FTGL class.
static Int_t GetFontSize(Int_t ds)
Get availabe font size.
static void InitStatics()
Create a list of available font files and allowed font sizes.
static Int_t GetExtendedFontStartIndex()
static Bool_t fgStaticInitDone
static FontSizeVec_t fgFontSizeArray
static Int_t fgExtendedFontStart
static FontSizeVec_t * GetFontSizeArray()
Get valid font size vector.
std::list< constTGLFont * >::iterator FontList_i
void ClearFontTrash()
Delete FTFFont objects registered for destruction.
std::map< TGLFont, Int_t >::iterator FontMap_i
std::vector< Int_t > FontSizeVec_t
static const char * GetFontNameFromId(Int_t)
Get font name from TAttAxis font id.
static TObjArray * GetFontFileArray()
Get id to file name map.
void ReleaseFont(TGLFont &font)
Release font with given attributes.
A wrapper class for FTFont.
void MeasureBaseLineParams(Float_t &ascent, Float_t &descent, Float_t &line_height, const char *txt="Xj") const
Measure font's base-line parameters from the passed text.
Float_t GetDescent() const
Get font's descent. The returned value is positive.
virtual ~TGLFont()
Destructor.
Float_t GetAscent() const
Get font's ascent.
void SetManager(TGLFontManager *mng)
Float_t GetLineHeight() const
Get font's line-height.
const FTFont * GetFont() const
void RenderHelper(const Char *txt, Double_t x, Double_t y, Double_t angle, Double_t) const
mgn is simply ignored, because ROOT's TVirtualX TGX11 are complete mess with painting attributes.
TGLFontManager * fManager
void BBox(const char *txt, Float_t &llx, Float_t &lly, Float_t &llz, Float_t &urx, Float_t &ury, Float_t &urz) const
Get bounding box.
void Render(const char *txt, Double_t x, Double_t y, Double_t angle, Double_t mgn) const
virtual void PostRender() const
Reset GL state after FTFont rendering.
virtual void PreRender(Bool_t autoLight=kTRUE, Bool_t lightOn=kFALSE) const
Set-up GL state before FTFont rendering.
void CopyAttributes(const TGLFont &o)
Assignment operator.
Int_t GetEntries() const
Return the number of objects in array (i.e.
Collectable string class.
static const TString & GetTTFFontDir()
Get the fonts directory in the installation. Static utility function.
const char * Data() const
virtual char * Which(const char *search, const char *file, EAccessMode mode=kFileExists)
Find location of file in a search path.
Int_t CeilNint(Double_t x)
Long64_t BinarySearch(Long64_t n, const T *array, T value)