diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/vcl/bitmapex.hxx | 23 | ||||
| -rw-r--r-- | include/vcl/bmpacc.hxx | 10 |
2 files changed, 30 insertions, 3 deletions
diff --git a/include/vcl/bitmapex.hxx b/include/vcl/bitmapex.hxx index 9a0d159d6b74..73ae31ed9c56 100644 --- a/include/vcl/bitmapex.hxx +++ b/include/vcl/bitmapex.hxx @@ -393,25 +393,42 @@ public: @param rTransformation The back transformation for each pixel in (0 .. fWidth),(0 .. fHeight) to local pixel coordiantes + + @param bSmooth + Defines if pixel interpolation is to be used to create the result */ BitmapEx TransformBitmapEx( double fWidth, double fHeight, - const basegfx::B2DHomMatrix& rTransformation) const; + const basegfx::B2DHomMatrix& rTransformation, + bool bSmooth = true) const; /** Create transformed Bitmap @param rTransformation - The transformation from unit coordinates to target + The transformation from unit coordinates to the unit range + + @param rVisibleRange + The relative visible range in unit coordinates, relative to (0,0,1,1) which + defines the whole target area @param fMaximumArea A limitation for the maximum size of pixels to use for the result + @param bSmooth + Defines if pixel interpolation is to be used to create the result + + The traget size of the result bitmap is defined by transforming the given + rTargetRange with the given rTransformation; the area of the result is + linearly scaled to not exceed the given fMaximumArea + @return The transformed bitmap */ BitmapEx getTransformed( const basegfx::B2DHomMatrix& rTransformation, - double fMaximumArea = 500000.0) const; + const basegfx::B2DRange& rVisibleRange, + double fMaximumArea = 500000.0, + bool bSmooth = true) const; /** Create ColorStack-modified version of this BitmapEx diff --git a/include/vcl/bmpacc.hxx b/include/vcl/bmpacc.hxx index ea36a05b0d36..70015ba17fa6 100644 --- a/include/vcl/bmpacc.hxx +++ b/include/vcl/bmpacc.hxx @@ -158,6 +158,16 @@ public: inline BitmapColor GetColor( long nY, long nX ) const; inline sal_uInt8 GetPixelIndex( long nY, long nX ) const; inline sal_uInt8 GetLuminance( long nY, long nX ) const; + + /** Get the interpolated color at coordinates fY, fX; if outside, return rFallback */ + BitmapColor GetInterpolatedColorWithFallback( double fY, double fX, const BitmapColor& rFallback ) const; + + /** Get the color at coordinates fY, fX; if outside, return rFallback. Automatically does the correct + inside/outside checks, e.g. static_cast< sal_uInt32 >(-0.25) *is* 0, not -1 and has to be outside */ + BitmapColor GetColorWithFallback( double fY, double fX, const BitmapColor& rFallback ) const; + + /** Get the color at coordinates nY, nX; if outside, return rFallback */ + BitmapColor GetColorWithFallback( long nY, long nX, const BitmapColor& rFallback ) const; }; // --------------------- |