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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_VCL_BITMAP_TOOLS_HXX
#define INCLUDED_VCL_BITMAP_TOOLS_HXX
#include <config_cairo_canvas.h>
#include <vcl/bitmapex.hxx>
#include <vcl/ImageTree.hxx>
#include <vcl/salbtype.hxx>
#include <tools/stream.hxx>
#if ENABLE_CAIRO_CANVAS
#include <vcl/cairo.hxx>
#endif
#include <com/sun/star/geometry/IntegerPoint2D.hpp>
#include <com/sun/star/geometry/IntegerRectangle2D.hpp>
#include <basegfx/range/b2drectangle.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
namespace vcl {
namespace bitmap {
/**
* Intended to be used to feed into CreateFromData to create a BitmapEx. RGB data format.
*/
class VCL_DLLPUBLIC RawBitmap
{
friend BitmapEx VCL_DLLPUBLIC CreateFromData( RawBitmap&& rawBitmap );
std::unique_ptr<sal_uInt8[]> mpData;
Size maSize;
sal_uInt8 mnBitCount;
public:
RawBitmap(Size const & rSize, sal_uInt8 nBitCount)
: mpData(new sal_uInt8[ rSize.getWidth() * nBitCount/8 * rSize.getHeight()]),
maSize(rSize),
mnBitCount(nBitCount)
{
assert(nBitCount == 24 || nBitCount == 32);
}
void SetPixel(long nY, long nX, Color nColor)
{
long p = (nY * maSize.getWidth() + nX) * (mnBitCount/8);
mpData[ p++ ] = nColor.GetRed();
mpData[ p++ ] = nColor.GetGreen();
mpData[ p++ ] = nColor.GetBlue();
if (mnBitCount == 32)
mpData[ p ] = nColor.GetTransparency();
}
Color GetPixel(long nY, long nX) const
{
long p = (nY * maSize.getWidth() + nX) * mnBitCount/8;
if (mnBitCount == 24)
return Color( mpData[p], mpData[p+1], mpData[p+2]);
else
return Color( mpData[p+3], mpData[p], mpData[p+1], mpData[p+2]);
}
// so we don't accidentally leave any code in that uses palette color indexes
void SetPixel(long nY, long nX, BitmapColor nColor) = delete;
long Height() { return maSize.Height(); }
long Width() { return maSize.Width(); }
sal_uInt8 GetBitCount() { return mnBitCount; }
};
BitmapEx VCL_DLLPUBLIC loadFromName(const OUString& rFileName, const ImageLoadFlags eFlags = ImageLoadFlags::NONE);
void loadFromSvg(SvStream& rStream, const OUString& sPath, BitmapEx& rBitmapEx, double fScaleFactor);
/** Copy block of image data into the bitmap.
Assumes that the Bitmap has been constructed with the desired size.
@param pData
The block of data to copy
@param nStride
The number of bytes in a scanline, must be >= (width * nBitCount / 8)
*/
BitmapEx VCL_DLLPUBLIC CreateFromData( sal_uInt8 const *pData, sal_Int32 nWidth, sal_Int32 nHeight, sal_Int32 nStride, sal_uInt16 nBitCount );
BitmapEx VCL_DLLPUBLIC CreateFromData( RawBitmap && data );
#if ENABLE_CAIRO_CANVAS
VCL_DLLPUBLIC BitmapEx* CreateFromCairoSurface(Size size, cairo_surface_t* pSurface);
#endif
VCL_DLLPUBLIC BitmapEx CanvasTransformBitmap( const BitmapEx& rBitmap,
const ::basegfx::B2DHomMatrix& rTransform,
::basegfx::B2DRectangle const & rDestRect,
::basegfx::B2DHomMatrix const & rLocalTransform );
VCL_DLLPUBLIC void DrawAlphaBitmapAndAlphaGradient(BitmapEx & rBitmapEx, bool bFixedTransparence, float fTransparence, AlphaMask & rNewMask);
VCL_DLLPUBLIC void DrawAndClipBitmap(const Point& rPos, const Size& rSize, const BitmapEx& rBitmap, BitmapEx & aBmpEx, basegfx::B2DPolyPolygon const & rClipPath);
}} // end vcl::bitmap
#endif // INCLUDED_VCL_BITMAP_TOOLS_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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