FTBBox.h
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/*
* FTGL - OpenGL font library
*
* Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz>
* Copyright (c) 2008 Sam Hocevar <sam@hocevar.net>
* Copyright (c) 2008 Sean Morrison <learner@brlcad.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __ftgl__
# warning This header is deprecated. Please use <FTGL/ftgl.h> from now.
# include <FTGL/ftgl.h>
#endif
#ifndef __FTBBox__
#define __FTBBox__
#ifdef __cplusplus
class FTGL_EXPORT FTBBox
{
public:
FTBBox()
: lower(0.0f, 0.0f, 0.0f),
upper(0.0f, 0.0f, 0.0f)
{}
FTBBox(float lx, float ly, float lz, float ux, float uy, float uz)
: lower(lx, ly, lz),
upper(ux, uy, uz)
{}
FTBBox(FTPoint l, FTPoint u)
: lower(l),
upper(u)
{}
FTBBox(FT_GlyphSlot glyph)
: lower(0.0f, 0.0f, 0.0f),
upper(0.0f, 0.0f, 0.0f)
{
FT_BBox bbox;
FT_Outline_Get_CBox(&(glyph->outline), &bbox);
lower.X(static_cast<float>(bbox.xMin) / 64.0f);
lower.Y(static_cast<float>(bbox.yMin) / 64.0f);
lower.Z(0.0f);
upper.X(static_cast<float>(bbox.xMax) / 64.0f);
upper.Y(static_cast<float>(bbox.yMax) / 64.0f);
upper.Z(0.0f);
}
~FTBBox()
{}
void Invalidate()
{
lower = FTPoint(1.0f, 1.0f, 1.0f);
upper = FTPoint(-1.0f, -1.0f, -1.0f);
}
bool IsValid()
{
return lower.X() <= upper.X()
&& lower.Y() <= upper.Y()
&& lower.Z() <= upper.Z();
}
FTBBox& operator += (const FTPoint vector)
{
lower += vector;
upper += vector;
return *this;
}
FTBBox& operator |= (const FTBBox& bbox)
{
if(bbox.lower.X() < lower.X()) lower.X(bbox.lower.X());
if(bbox.lower.Y() < lower.Y()) lower.Y(bbox.lower.Y());
if(bbox.lower.Z() < lower.Z()) lower.Z(bbox.lower.Z());
if(bbox.upper.X() > upper.X()) upper.X(bbox.upper.X());
if(bbox.upper.Y() > upper.Y()) upper.Y(bbox.upper.Y());
if(bbox.upper.Z() > upper.Z()) upper.Z(bbox.upper.Z());
return *this;
}
void SetDepth(float depth)
{
if(depth > 0)
upper.Z(lower.Z() + depth);
else
lower.Z(upper.Z() + depth);
}
inline FTPoint const Upper() const
{
return upper;
}
inline FTPoint const Lower() const
{
return lower;
}
private:
FTPoint lower, upper;
};
#endif //__cplusplus
#endif // __FTBBox__
FTBBox
FTBBox is a convenience class for handling bounding boxes.
Definition FTBBox.h:43
FTBBox::FTBBox
FTBBox(FT_GlyphSlot glyph)
Constructor.
Definition FTBBox.h:75
FTBBox::FTBBox
FTBBox(float lx, float ly, float lz, float ux, float uy, float uz)
Constructor.
Definition FTBBox.h:56
FTBBox::Invalidate
void Invalidate()
Mark the bounds invalid by setting all lower dimensions greater than the upper dimensions.
Definition FTBBox.h:100
FTBBox::FTBBox
FTBBox()
Default constructor.
Definition FTBBox.h:48
FTBBox::Lower
FTPoint const Lower() const
Definition FTBBox.h:165
FTBBox::~FTBBox
~FTBBox()
Destructor.
Definition FTBBox.h:93
FTBBox::SetDepth
void SetDepth(float depth)
Definition FTBBox.h:150
FTBBox::IsValid
bool IsValid()
Determines if this bounding box is valid.
Definition FTBBox.h:112
FTBBox::FTBBox
FTBBox(FTPoint l, FTPoint u)
Constructor.
Definition FTBBox.h:64
FTBBox::Upper
FTPoint const Upper() const
Definition FTBBox.h:159
FTPoint
FTPoint class is a basic 3-dimensional point or vector.
Definition FTPoint.h:43
FTPoint::Y
void Y(FTGL_DOUBLE y)
Definition FTPoint.h:250
FTPoint::Z
void Z(FTGL_DOUBLE z)
Definition FTPoint.h:251
FTPoint::X
void X(FTGL_DOUBLE x)
Setters.
Definition FTPoint.h:249
ftgl.h
FTGL_EXPORT
#define FTGL_EXPORT
Definition ftgl.h:134