No effect after changing source code [PATCH]

Thorsten Behrens thb at documentfoundation.org
Sun Feb 9 14:07:50 PST 2014


Hi Harsh Choudhary,

to your other question - managed to get your below change to affect
the svg export meanwhile? If not, a description of what you tried
would be good.

As for the patch, comments inline:
> From 50042ccd574717e679fadc6028b28e6104d3c359 Mon Sep 17 00:00:00 2001
> From: Harsh <harsh at harsh-kubuntu.(none)>
>
Please fix your git setup (user and email address)

> Date: Tue, 4 Feb 2014 20:47:50 +0530
> Subject: [PATCH] pres
>
This needs at least a minimal description of what this patch does.

> ---
>  filter/source/svg/presentation_engine.js |  119 ++++++++++++++++++++++++++++--
>  1 file changed, 111 insertions(+), 8 deletions(-)
> 
> diff --git a/filter/source/svg/presentation_engine.js b/filter/source/svg/presentation_engine.js
> index c77ff1d..98d1245 100644
> --- a/filter/source/svg/presentation_engine.js
> +++ b/filter/source/svg/presentation_engine.js
> @@ -4100,10 +4100,11 @@ FOURBOXWIPE_TRANSITION      = 3;
>  ELLIPSEWIPE_TRANSITION      = 4; // 17
>  CLOCKWIPE_TRANSITION        = 5; // 22
>  PINWHEELWIPE_TRANSITION     = 6;  // 23
> -PUSHWIPE_TRANSITION         = 7; // 35
> -SLIDEWIPE_TRANSITION        = 8; // 36
> -FADE_TRANSITION             = 9; // 37
> -CHECKERBOARDWIPE_TRANSITION = 10; // 39
> +WATERFALLWIPE_TRANSITION    = 7; //34
> +PUSHWIPE_TRANSITION         = 8; // 35
> +SLIDEWIPE_TRANSITION        = 9; // 36
> +FADE_TRANSITION             = 10; // 37
> +CHECKERBOARDWIPE_TRANSITION = 11; // 39
>  
>  aTransitionTypeInMap = {
>      'barWipe'           : BARWIPE_TRANSITION,
> @@ -4112,6 +4113,7 @@ aTransitionTypeInMap = {
>      'ellipseWipe'       : ELLIPSEWIPE_TRANSITION,
>      'clockWipe'         : CLOCKWIPE_TRANSITION,
>      'pinWheelWipe'      : PINWHEELWIPE_TRANSITION,
> +    'waterfallWipe'     : WATERFALLWIPE_TRANSITION
>      'pushWipe'          : PUSHWIPE_TRANSITION,
>      'slideWipe'         : SLIDEWIPE_TRANSITION,
>      'fade'              : FADE_TRANSITION,
> @@ -4119,7 +4121,7 @@ aTransitionTypeInMap = {
>  };
>  
>  aTransitionTypeOutMap = [ '', 'barWipe', 'boxWipe', 'fourBoxWipe', 'ellipseWipe',
> -                          'clockWipe', 'pinWheelWipe', 'pushWipe', 'slideWipe',
> +                          'clockWipe', 'pinWheelWipe', 'waterfallWipe', 'pushWipe', 'slideWipe',
>                            'fade', 'checkerBoardWipe' ];
>  
>  
> @@ -4140,7 +4142,9 @@ CLOCKWISENINE_TRANS_SUBTYPE         = 12;
>  TWOBLADEVERTICAL_TRANS_SUBTYPE      = 13;
>  TWOBLADEHORIZONTAL_TRANS_SUBTYPE    = 14;
>  FOURBLADE_TRANS_SUBTYPE             = 15; // 39
> -FROMLEFT_TRANS_SUBTYPE              = 16; // 97
> +HORIZONTALLEFT_TRANS_SUBTYPE        = 30; //95
> +HORIZONTALRIGHT_TRANS_SUBTYPE       = 31;
> +FROMLEFT_TRANS_SUBTYPE              = 16;
>  FROMTOP_TRANS_SUBTYPE               = 17;
>  FROMRIGHT_TRANS_SUBTYPE             = 18;
>  FROMBOTTOM_TRANS_SUBTYPE            = 19;
> @@ -4151,7 +4155,7 @@ FADEOVERCOLOR_TRANS_SUBTYPE         = 23;
>  THREEBLADE_TRANS_SUBTYPE            = 24;
>  EIGHTBLADE_TRANS_SUBTYPE            = 25;
>  ONEBLADE_TRANS_SUBTYPE              = 26; // 107
> -ACROSS_TRANS_SUBTYPE                = 27;
> +ACROSS_TRANS_SUBTYPE                = 27; 
>  
redundant whitespace change

>  aTransitionSubtypeInMap = {
>      'leftToRight'       : LEFTTORIGHT_TRANS_SUBTYPE,
> @@ -4169,6 +4173,8 @@ aTransitionSubtypeInMap = {
>      'twoBladeVertical'  : TWOBLADEVERTICAL_TRANS_SUBTYPE,
>      'twoBladeHorizontal': TWOBLADEHORIZONTAL_TRANS_SUBTYPE,
>      'fourBlade'         : FOURBLADE_TRANS_SUBTYPE,
> +    'horizontalLeft'    : HORIZONTALLEFT_TRANS_SUBTYPE,
> +    'horizontalRight'   : HORIZONTALRIGHT_TRANS_SUBTYPE,
>      'fromLeft'          : FROMLEFT_TRANS_SUBTYPE,
>      'fromTop'           : FROMTOP_TRANS_SUBTYPE,
>      'fromRight'         : FROMRIGHT_TRANS_SUBTYPE,
> @@ -4187,7 +4193,7 @@ aTransitionSubtypeOutMap = [ 'default', 'leftToRight', 'topToBottom', 'cornersIn
>                               'cornersOut', 'vertical', 'horizontal', 'down', 'circle',
>                               'clockwiseTwelve', 'clockwiseThree', 'clockwiseSix',
>                               'clockwiseNine', 'twoBladeVertical', 'twoBladeHorizontal',
> -                             'fourBlade', 'fromLeft', 'fromTop', 'fromRight',
> +                             'fourBlade', 'horizontalLeft', 'horizontalRight', 'fromLeft', 'fromTop', 'fromRight',
>                               'fromBottom', 'crossfade', 'fadeToColor', 'fadeFromColor',
>                               'fadeOverColor', 'threeBlade', 'eightBlade', 'oneBlade',
>                               'across' ];
> @@ -4378,6 +4384,28 @@ aTransitionInfoTable[PINWHEELWIPE_TRANSITION][TWOBLADEHORIZONTAL_TRANS_SUBTYPE]
>      'scaleIsotropically' : true
>  };
>  
> +aTransitionInfoTable[WATERFALLWIPE_TRANSITION] = {};
> +aTransitionInfoTable[WATERFALLWIPE_TRANSITION] [HORIZONTALLEFT_TRANS_SUBTYPE] = 
> +{
> +    'class' : TRANSITION_CLIP_POLYPOLYGON,
> +    'rotationAngle' : -90.0,
> +    'scaleX' : 1.0,
> +    'scaleY' : 1.0,
> +    'reverseMethod' : REVERSEMETHOD_ROTATE_180,
> +    'outInvertsSweep' : true,
> +    'scaleIsotropically' : false
> +};
> +aTransitionInfoTable[WATERFALLWIPE_TRANSITION] [HORIZONTALRIGHT_TRANS_SUBTYPE] = 
> +{
> +  'class' : TRANSITION_CLIP_POLYPOLYGON,
> +    'rotationAngle' : 90.0,
> +    'scaleX' : 1.0,
> +    'scaleY' : 1.0,
> +    'reverseMethod' : REVERSEMETHOD_ROTATE_180,
> +    'outInvertsSweep' : true,
> +    'scaleIsotropically' : false
> +};
> +
>  aTransitionInfoTable[PUSHWIPE_TRANSITION] = {};
>  aTransitionInfoTable[PUSHWIPE_TRANSITION][FROMLEFT_TRANS_SUBTYPE] =
>  aTransitionInfoTable[PUSHWIPE_TRANSITION][FROMTOP_TRANS_SUBTYPE] =
> @@ -7997,6 +8025,8 @@ function createClipPolyPolygon( nType, nSubtype )
>              return new PinWheelWipePath( nBlades );
>          case CHECKERBOARDWIPE_TRANSITION:
>              return new CheckerBoardWipePath( 10 );
> +        case WATERFALLWIPE_TRANSITION:
> +            return new waterfallWipePath(nSubtype);/////////////////
>      }
>  }
>  
> @@ -8306,7 +8336,80 @@ CheckerBoardWipePath.prototype.perform = function( nT )
>      return aPolyPath;
>  };
>  
> +/ ------------------------------------------------------------------------------------------ //
> +/** Class WaterfallWipePath
> + *  This class handles a parametric poly-path that is used for performing
> + *  a waterfallWipe transition.
> + *
> + *  @param nBlades
> + *      Number of blades generated by the transition.
> + */
> +function WaterfallWipePath( nElements, flipOnYAxis )
> +{
> +    var sqrtElements = Math.sqrt(nElements);
> +    
>
Here, and at other places - please avoid trailing whitespace.

> +    var elementEdge = (1 / sqrtElements);
> +    
> +    this.flipOnYAxis = flipOnYAxis;
> +    
> +    var  m_waterfall = document.createElementNS( NSS['svg'], 'path');
> +    
> +}
> +
> +/*WaterfallWipePath.calcCenteredClock = function( nT, nE )
> +{
> +    var nMAX_EDGE = 2;
> +
> +    var aTransform = SVGIdentityMatrix.rotate( nT * 360 );
> +
> +    var aPoint = document.documentElement.createSVGPoint();
> +    aPoint.y = -nMAX_EDGE;
> +    aPoint = aPoint.matrixTransform( aTransform );
> +
> +    var sPathData = 'M ' + aPoint.x + ' ' + aPoint.y + ' ';
> +    if( nT >= 0.875 )
> +        // L -e -e
> +        sPathData += 'L ' + '-' + nE + ' -' + nE + ' ';
> +    if( nT >= 0.625 )
> +        // L -e e
> +        sPathData += 'L ' + '-' + nE + ' ' + nE + ' ';
> +    if( nT >= 0.375 )
> +        // L e e
> +        sPathData += 'L ' + nE + ' ' + nE + ' ';
> +     if( nT >= 0.125 )
> +        // L e -e
> +        sPathData += 'L ' + nE + ' -' + nE + ' ';
> +
> +    // L 0 -e
> +    sPathData += 'L 0 -' + nE + ' ';
> +    sPathData += 'L 0 0 ';
> +    // Z
> +    sPathData += 'L '  + aPoint.x + ' ' + aPoint.y;
>  
> +    var aPath = document.createElementNS( NSS['svg'], 'path' );
> +    aPath.setAttribute( 'd', sPathData );
> +    return aPath;
> +};*/
> +
>
Either remove entirely, or avoid commenting it out. ;)

> +WaterfallWipePath.prototype.perform = function(  )
> +{
> +    m_waterfall.append(document.documentElement.createSVGPoint(0.0, -1.0));
> +    
> +    for ( var pos = sqrtElements; pos--; )
> +    {
> +        var xPos = (sqrtElements - pos - 1);
> +	var yPos = pruneScaleValue( ((pos + 1) * elementEdge) - 1.0 );
> +	m_waterfall.append( document.createElement.createSVGPoint(
> +	                            pruneScaleValue( xPos * elementEdge ),
> +                                    yPos ) );
> +	m_waterfall.append( document.createElement.createSVGPoint(
> +                                    pruneScaleValue( (xPos + 1) * elementEdge ),
> +                                    yPos ) );
> +    }
> +    m_waterfall.append( document.createElement.createSVGPoint( 1.0 , -1.0) );
> +  
> +    return m_waterfall;
> +};
>
Please fix alignment in the function above.

>  // ------------------------------------------------------------------------------------------ //
>  /** Class AnimatedSlide
>   *  This class handle a slide element during a slide transition.
> -- 
> 1.7.10.4
> 

Cheers,

-- Thorsten
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