9f16c2bf8e
* *
* update copyright headers with new FSF postal address
* COPYING.txt -> LICENSE.txt (rest of repo to be synced)
112 lines
4.3 KiB
Plaintext
112 lines
4.3 KiB
Plaintext
/*
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* win_BMP() class
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*
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* Copyright 2004 Peter Rees <peter@rees.co.nz> Rees Software and Systems Ltd
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbclass.ch"
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#include "hbwin.ch"
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CREATE CLASS win_BMP
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EXPORTED:
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METHOD New()
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METHOD LoadFile( cFileName, aDimXY )
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METHOD Create()
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METHOD Destroy()
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METHOD IsSupported( oPrn, /* @ */ nError )
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METHOD Draw( oPrn, aRectangle, /* @ */ nError )
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VAR Type INIT 0 // Type BitMap: 1 == BM, 2 == JPEG, 3 == PNG
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VAR DimXY INIT { 0, 0 } // Image Dimensions X Y pixels
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VAR Rect INIT { 0, 0, 0, 0 } // Coordinates to print BitMap
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// XDest, : x-coord of destination upper-left corner
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// YDest, : y-coord of destination upper-left corner
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// nDestWidth, : width of destination rectangle
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// nDestHeight, : height of destination rectangle
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// See WinApi StretchDIBits()
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VAR BitMap INIT ""
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VAR FileName INIT ""
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ENDCLASS
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METHOD New() CLASS win_BMP
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RETURN Self
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METHOD LoadFile( cFileName, aDimXY ) CLASS win_BMP
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::FileName := cFileName
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::Bitmap := win_LoadBitmapFile( ::FileName )
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IF Empty( ::Bitmap )
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::Type := 0
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::DimXY := { 0, 0 }
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ELSE
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::Type := win_bitmapType( ::Bitmap )
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IF HB_ISARRAY( aDimXY )
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::DimXY := aDimXY
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ELSEIF ! win_bitmapDimensions( ::Bitmap, @::DimXY[ 1 ], @::DimXY[ 2 ] )
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::DimXY := { 1, 1 } // Driver may use the original dimensions
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ENDIF
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ENDIF
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RETURN ::Type != HB_WIN_BITMAP_UNKNOWN
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METHOD Create() CLASS win_BMP // Compatibility function for Alaska Xbase++
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RETURN Self
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METHOD Destroy() CLASS win_BMP // Compatibility function for Alaska Xbase++
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RETURN NIL
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METHOD IsSupported( oPrn, /* @ */ nError ) CLASS win_BMP
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RETURN ( nError := win_bitmapIsSupported( oPrn:hPrinterDc, ::Bitmap ) ) == 0
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METHOD Draw( oPrn, aRectangle, /* @ */ nError ) CLASS win_BMP // Pass a win_Prn object reference and rectangle array
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IF HB_ISARRAY( aRectangle )
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::Rect := aRectangle
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ENDIF
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RETURN iif( ::IsSupported( oPrn, @nError ), oPrn:DrawBitMap( Self ), .F. )
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