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/*=========================================================================
Program: Visualization Toolkit
Module: vtkFreeTypeStringToImage.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkFreeTypeStringToImage.h"
#include "vtkStdString.h"
#include "vtkUnicodeString.h"
#include "vtkTextProperty.h"
#include "vtkVector.h"
#include "vtkImageData.h"
#include "vtkFreeTypeTools.h"
#include "vtkObjectFactory.h"
class vtkFreeTypeStringToImage::Internals
{
public:
Internals()
{
this->FreeType = vtkFreeTypeTools::GetInstance();
}
vtkFreeTypeTools *FreeType;
};
//-----------------------------------------------------------------------------
vtkStandardNewMacro(vtkFreeTypeStringToImage);
//-----------------------------------------------------------------------------
vtkFreeTypeStringToImage::vtkFreeTypeStringToImage()
{
this->Implementation = new Internals;
}
//-----------------------------------------------------------------------------
vtkFreeTypeStringToImage::~vtkFreeTypeStringToImage()
{
delete this->Implementation;
}
//-----------------------------------------------------------------------------
vtkVector2i vtkFreeTypeStringToImage::GetBounds(vtkTextProperty *property,
const vtkUnicodeString& string)
{
int tmp[4] = { 0, 0, 0, 0 };
vtkVector2i recti(tmp);
if (!property)
{
return recti;
}
this->Implementation->FreeType->GetBoundingBox(property, string, tmp);
recti.Set(tmp[1] - tmp[0],
tmp[3] - tmp[2]);
return recti;
}
//-----------------------------------------------------------------------------
vtkVector2i vtkFreeTypeStringToImage::GetBounds(vtkTextProperty *property,
const vtkStdString& string)
{
vtkVector2i recti(0, 0);
int tmp[4];
if (!property || string.empty())
{
return recti;
}
this->Implementation->FreeType->GetBoundingBox(property, string, tmp);
recti.Set(tmp[1] - tmp[0],
tmp[3] - tmp[2]);
return recti;
}
//-----------------------------------------------------------------------------
int vtkFreeTypeStringToImage::RenderString(vtkTextProperty *property,
const vtkUnicodeString& string,
vtkImageData *data, int textDims[2])
{
// Get the required size, and initialize a new QImage to draw on.
vtkVector2i box = this->GetBounds(property, string);
if (box.GetX() == 0 || box.GetY() == 0)
{
return 0;
}
return this->Implementation->FreeType->RenderString(property,
string,
data, textDims);
}
//-----------------------------------------------------------------------------
int vtkFreeTypeStringToImage::RenderString(vtkTextProperty *property,
const vtkStdString& string,
vtkImageData *data, int textDims[2])
{
// Get the required size, and initialize a new QImage to draw on.
vtkVector2i box = this->GetBounds(property, string);
if (box.GetX() == 0 || box.GetY() == 0)
{
return 0;
}
return this->Implementation->FreeType->RenderString(property, string, data,
textDims);
}
//-----------------------------------------------------------------------------
void vtkFreeTypeStringToImage::SetScaleToPowerOfTwo(bool scale)
{
this->vtkStringToImage::SetScaleToPowerOfTwo(scale);
this->Implementation->FreeType->SetScaleToPowerTwo(scale);
}
//-----------------------------------------------------------------------------
void vtkFreeTypeStringToImage::DeepCopy(vtkFreeTypeStringToImage *)
{
}
//-----------------------------------------------------------------------------
void vtkFreeTypeStringToImage::PrintSelf(ostream &os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
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