Editing blend - FilterMeisterWiki

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= blend =
== Syntax ==
:{{int blend (int a, int b, int z, int m, int r)}}
== Arguments ==
:'''a'''
::Bottom Color Value from 0 to 255
:'''b'''
::Top Color Value from 0 to 255
:'''z'''
::Color Channel Value z. Only needed for the Dissolve, Threshold and  Threshold 2 blend modes.
:'''m'''
::Blend Mode (0 = Normal, 1 =Dissolve, 2 =Threshold, 3 = Threshold 2, 4 = Multiply, 5 = Screen, 6 = Overlay, 7= Soft Light, 8 =Hard Light, 9 = Dodge, 10 = Burn, 11 = Darken, 12 = Lighten, 13 = Exclusion, 14 = Difference, 15 = NegDif 1, 16 = NegDif 2, 17 = Subtract, 18 = Add, 19 = Expose)
:'''r'''
::blending ratio from 0 (bottom) to 255 (top)
== Return ==
:The blended color value is returned.
== Description ==
:Blends two color values according to 20 different blending modes. There's also a parameter for the blending ratio. Currently works only with 8-bit color values.
== Example ==
<code>
%ffp
//This example blends the image with a mirrored version of itself

ctl(0): "Ratio",range=(0,255),val=128
ctl(1): combobox(vscroll),action=preview, color=#FFFFFF,fontcolor=#0000ff, size=(50,200), 
	text="Normal\nDissolve\nThreshold\nThreshold 2\nMultiply\nScreen\nOverlay\nSoft Light\nHard Light\nDodge\nBurn\nDarken\nLighten\nExclusion\nDifference\nNegDif 1\nNegDif 2\nSubtract\nAdd\nExpose",
	val=0

ForEveryTile:
{
	for (y=y_start; y<y_end; y++){
		updateProgress(y,y_end);
	for (x=x_start; x<x_end; x++){ 
	for (z=0; z<Z; z++){ 
		pset(x, y, z, blend (src(x,y,z), src(X-x,Y-y,z) , z, ctl(1),ctl(0)) );

}}}
	return true;
}
</code>

Summary of change:
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