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#i73860# add methods for getting textline related metrics, improve const-correctness

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This commit is contained in:
Herbert Duerr 2007-02-14 13:53:01 +00:00
parent 597e5c5515
commit 8bfe0eb3e2
2 changed files with 40 additions and 10 deletions
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15
drawinglayer/inc/drawinglayer/primitive2d/textlayoutdevice.hxx
View file

@ -4,9 +4,9 @@
*
* $RCSfile: textlayoutdevice.hxx,v $
*
* $Revision: 1.2 $
* $Revision: 1.3 $
*
* last change: $Author: hdu $ $Date: 2007-02-02 15:13:57 $
* last change: $Author: hdu $ $Date: 2007-02-14 14:53:01 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
@ -87,12 +87,17 @@ namespace drawinglayer
void setFont(const Font& rFont);
void setFontAttributes(const FontAttributes& rFontAttributes, const basegfx::B2DHomMatrix& rTransform);
double getTextHeight();
double getTextWidth(const String& rText, xub_StrLen nIndex, xub_StrLen nLength);
double getTextHeight() const;
double getUnderlineHeight() const;
double getUnderlineOffset() const;
double getStrikeoutOffset() const;
double getTextWidth(const String& rText, xub_StrLen nIndex, xub_StrLen nLength) const;
bool getTextOutlines( basegfx::B2DPolyPolygonVector&,
const String&, xub_StrLen nIndex, xub_StrLen nLength,
const ::std::vector< sal_Int32 >& rDXArray );
basegfx::B2DRange getTextBoundRect(const String& rText, xub_StrLen nIndex, xub_StrLen nLength);
basegfx::B2DRange getTextBoundRect(const String& rText, xub_StrLen nIndex, xub_StrLen nLength) const;
};
} // end of namespace primitive2d
} // end of namespace drawinglayer

35
drawinglayer/source/primitive2d/textlayoutdevice.cxx
View file

@ -4,9 +4,9 @@
*
* $RCSfile: textlayoutdevice.cxx,v $
*
* $Revision: 1.3 $
* $Revision: 1.4 $
*
* last change: $Author: hdu $ $Date: 2007-02-13 08:07:43 $
* last change: $Author: hdu $ $Date: 2007-02-14 14:53:01 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
@ -49,6 +49,10 @@
#include <vcl/font.hxx>
#endif
#ifndef _SV_METRIC_HXX
#include <vcl/metric.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TEXTPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/textprimitive2d.hxx>
#endif
@ -180,12 +184,33 @@ namespace drawinglayer
setFont( getVclFontFromFontAttributes(rFontAttributes, rTransform) );
}
double TextLayouterDevice::getTextHeight()
double TextLayouterDevice::getUnderlineOffset() const
{
const ::FontMetric& rMetric = mrDevice.GetFontMetric();
double fRet = rMetric.GetDescent() / 2.0;
return fRet;
}
double TextLayouterDevice::getStrikeoutOffset() const
{
const ::FontMetric& rMetric = mrDevice.GetFontMetric();
double fRet = (rMetric.GetAscent() - rMetric.GetIntLeading()) / 3.0;
return fRet;
}
double TextLayouterDevice::getUnderlineHeight() const
{
const ::FontMetric& rMetric = mrDevice.GetFontMetric();
double fRet = rMetric.GetDescent() / 4.0;
return fRet;
}
double TextLayouterDevice::getTextHeight() const
{
return mrDevice.GetTextHeight();
}
double TextLayouterDevice::getTextWidth(const String& rText, xub_StrLen nIndex, xub_StrLen nLength)
double TextLayouterDevice::getTextWidth(const String& rText, xub_StrLen nIndex, xub_StrLen nLength) const
{
return mrDevice.GetTextWidth(rText, nIndex, nLength);
}
@ -196,7 +221,7 @@ namespace drawinglayer
return mrDevice.GetTextOutlines( rB2DPolyPolyVector, rText, nIndex, nIndex, nLength, true, 0, pDXArray);
}
basegfx::B2DRange TextLayouterDevice::getTextBoundRect(const String& rText, xub_StrLen nIndex, xub_StrLen nLength)
basegfx::B2DRange TextLayouterDevice::getTextBoundRect(const String& rText, xub_StrLen nIndex, xub_StrLen nLength) const
{
if(rText.Len() && nLength)
{