3ed9fa0f45
* *
% remove brandings and homepage from copyright header. Pass 2 - semi-auto.
* project homepage and name is described in README, amongst others
; this should make the diff between 3.4 and 3.2 easier to manage
194 lines
6.2 KiB
Plaintext
194 lines
6.2 KiB
Plaintext
/*
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* simple image counter
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*
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* Copyright 2009 Francesco Saverio Giudice <info / at / fsgiudice.com>
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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 software; see the file COPYING.txt. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site https://www.gnu.org/).
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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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#if defined( HBMK_HAS_HBGD )
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MEMVAR _SERVER // defined in uHTTPD
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MEMVAR _REQUEST // defined in uHTTPD
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#define IMAGES_IN ".." + hb_ps() + ".." + hb_ps() + ".." + hb_ps() + "contrib" + hb_ps() + "hbgd" + hb_ps() + "tests" + hb_ps() + "digits" + hb_ps()
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#define IMAGES_OUT ( _SERVER[ "DOCUMENT_ROOT" ] + hb_ps() + "counter" + hb_ps() )
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#define DISPLAY_NUM 10
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FUNCTION HRBMAIN()
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LOCAL cHtml
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IF hb_HHasKey( _REQUEST, "w" )
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cHtml := CreateCounter( hb_ntos( Val( _REQUEST[ "w" ] ) ) )
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IF ! Empty( cHtml )
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uhttpd_SetHeader( "Content-Type", "image/gif" )
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uhttpd_SetHeader( "Pragma", "no-cache" )
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uhttpd_SetHeader( "Content-Disposition", "inline; filename=counter" + hb_ntos( hb_RandomInt( 100 ) ) + ".gif" )
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uhttpd_Write( cHtml )
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ELSE
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uhttpd_SetHeader( "Content-Type", "text/html" )
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uhttpd_Write( "<h1>Error: No image created</h1>" )
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ENDIF
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ELSE
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uhttpd_SetHeader( "Content-Type", "text/html" )
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uhttpd_Write( "<h1>Error: no parameters passed</h1>" )
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ENDIF
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RETURN .T.
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STATIC FUNCTION CreateCounter( cValue, cBaseImage )
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LOCAL oI, oIDigits, nWidth, nHeight, nDigits, nNumWidth, oTemp
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#if 0
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LOCAL black, white, blue, red, green, cyan, gray
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LOCAL white
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#endif
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LOCAL aNumberImages := {}
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LOCAL n, nValue
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// A value if not passed
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hb_default( @cValue, Str( hb_RandomInt( 1, 10 ^ DISPLAY_NUM ), DISPLAY_NUM ) )
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hb_default( @cBaseImage, "57chevy.gif" )
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IF ! hb_FileExists( IMAGES_IN + cBaseImage )
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RETURN NIL
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ENDIF
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nValue := Val( cValue )
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// Fix num lenght
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IF nValue > 10 ^ DISPLAY_NUM
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nValue := 10 ^ DISPLAY_NUM
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ENDIF
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cValue := StrZero( nValue, DISPLAY_NUM )
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#if 0
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? "Value = ", cValue
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// Check output directory
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IF ! hb_DirExists( IMAGES_OUT )
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DirMake( IMAGES_OUT )
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ENDIF
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#endif
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/* Load a digits image in memory from file */
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oIDigits := GDImage():LoadFromGif( IMAGES_IN + cBaseImage )
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/* Get single number images */
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// Get dimensions
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nWidth := oIDigits:Width()
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nHeight := oIDigits:Height()
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// Check base digits image
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DO CASE
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CASE nWidth % 10 == 0 // 0..9 digits
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nDigits := 10
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CASE nWidth % 11 == 0 // 0..9 :
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nDigits := 11
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CASE nWidth % 13 == 0 // 0..9 : am pm
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nDigits := 13
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OTHERWISE
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uhttpd_Write( "Error on digits image" )
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ENDCASE
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nNumWidth := nWidth / nDigits
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#if 0
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? "nNumWidth, nWidth, nHeight, nDigits = ", nNumWidth, nWidth, nHeight, nDigits
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#endif
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/* extracts single digits */
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FOR n := 1 TO nDigits
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oTemp := oIDigits:Copy( ( n - 1 ) * nNumWidth, 0, nNumWidth, nHeight )
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// Here I have to clone the image, otherwise on var destruction I loose
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// the image in memory
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AAdd( aNumberImages, oTemp:Clone() )
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NEXT
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/* Create counter image in memory */
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oI := GDImage():New( nNumWidth * DISPLAY_NUM, nHeight ) // the counter
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#if 0
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? "Image dimensions: ", oI:Width(), oI:Height()
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/* Allocate background */
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white := oI:SetColor( 255, 255, 255 )
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/* Allocate drawing color */
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black := oI:SetColor( 0, 0, 0 )
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blue := oI:SetColor( 0, 0, 255 )
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red := oI:SetColor( 255, 0, 0 )
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green := oI:SetColor( 0, 255, 0 )
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cyan := oI:SetColor( 0, 255, 255 )
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/* Draw rectangle */
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oI:Rectangle( 0, 0, 200, 30,, blue )
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#endif
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/* Draw Digits */
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FOR n := 1 TO Len( cValue )
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// Retrieve the number from array in memory
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oTemp := aNumberImages[ Val( SubStr( cValue, n, 1 ) ) + 1 ]:Clone()
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// Save it to show the number for a position
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// oTemp:SaveGif( IMAGES_OUT + "Pos_" + StrZero( n, 2 ) + ".gif" )
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// Set the digit as tile that I have to use to fill position in counter
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oI:SetTile( oTemp )
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// Fill the position with the image digit
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oI:Rectangle( ( n - 1 ) * nNumWidth, 0, ( n - 1 ) * nNumWidth + nNumWidth, nHeight, .T., gdTiled )
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NEXT
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#if 0
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/* Write Final Counter Image */
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oI:SaveGif( IMAGES_OUT + "counter" + StrZero( hb_RandomInt( 1, 99 ), 2 ) + ".gif" )
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?
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? "Look at " + IMAGES_OUT + " folder for output images"
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?
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#endif
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RETURN oI:ToStringGif()
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#endif
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