X-Git-Url: https://git.cinelerra-gg.org/git/?p=goodguy%2Fcin-manual-latex.git;a=blobdiff_plain;f=parts%2FOverlays.tex;h=488bf670d264d52336ea8d44621b53ed2b4f7c66;hp=06e27a2cea3c40abce0f2f28ee74baf9e6e52d96;hb=4249986e9dcf6f517ec2609cf1232e1d9b2184f8;hpb=6b5d8cbf82a53444d0a889d0fd0133f8b81882f5;ds=sidebyside diff --git a/parts/Overlays.tex b/parts/Overlays.tex index 06e27a2..488bf67 100644 --- a/parts/Overlays.tex +++ b/parts/Overlays.tex @@ -1,6 +1,5 @@ \chapter{Overlays}% \label{cha:overlays} -\todo{same wrong border for title's number} The purpose of the Overlay Modes is to control the foreground and background stacking and use blending to reshape image object boundaries. It normally makes use of a binary type alpha blending system for all in or all out. To use the available operations in Cinelerra GG, follow these steps: @@ -126,7 +125,7 @@ Each line describes a pair with the left one for alpha and the right one for chr \item[SCREEN:] $[Sa + Da - Sa \times Da, Sc + Dc - (Sc \times Dc)]$ (same as OR) \item[BURN:] $[Sa + Da - Sa \times Da, Sc \times (1 - Da) + Dc \times (1 - Sa) + Sc \leqslant 0 \parallel Sc \times Da + Dc \times Sa \leqslant Sa \times Da \quad ? \quad 0 : (Sc \times Da + Dc \times Sa - Sa \times Da) \times Sa/Sc]$ \item[DODGE:] $[Sa + Da - Sa \times Da, Sc \times (1 - Da) + Dc \times (1 - Sa) + Sa \leqslant Sc \parallel Sc \times Da + Dc \times Sa \geqslant Sa \times Da \quad ? \quad Sa \times Da : Dc \times Sa / (1 - Sc/Sa)]$ - \item[DIFFERENCE:] $[Sa + Da - Sa \times Da, Sc \times (1 - Da) + Dc \times (1 - Sa) + abs{(Sc \times Da - Dc \times Sa)}]$ + \item[DIFFERENCE:]~\\ $[Sa + Da - Sa \times Da, Sc \times (1 - Da) + Dc \times (1 - Sa) + abs{(Sc \times Da - Dc \times Sa)}]$ \item[HARDLIGHT:] $[Sa + Da - Sa \times Da, Sc \times (1 - Da) + Dc \times (1 - Sa) + 2 \times Sc < Sa \quad ? \quad 2 \times Sc \times Dc : Sa \times Da - 2 \times (Da - Dc) \times (Sa - Sc)]$ \item[SOFTLIGHT:] $[Sa + Da - Sa \times Da, Sc \times (1 - Da) + Dc \times (1 - Sa) + Da > 0 \quad ? \quad (Dc \times Sa + 2 \times Sc \times (Da - Dc))/Da : 0]$ \end{description}