m/grafX2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

-Fixed and extended the brush factory API. The factory now does a backup before running a script.

Browse Source 
-Updated the convolution sample factory to do a proper convolution, reading from the backup. There is still no colormapping.


git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1262 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Adrien Destugues
2010-01-16 20:00:10 +00:00
parent 247d7f54fd
commit ae873551ff
3 changed files with 44 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
scripts/aafilter.lua
View File

@@ -2,7 +2,10 @@
w, h = getpicturesize();
-- Here is the filtering matrix
matrix = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } };
matrix = {
{ 0, -1, 0 },
{ -1, 5, -1 },
{ 0, -1, 0 }};
-- Loop trough all the pixels
-- To make this script simpler we don't handle the picture borders
@@ -11,15 +14,15 @@ w, h = getpicturesize();
for y = 1, h - 2, 1 do
for x = 1, w - 2, 1 do
filtered =
matrix[1][1] * getpicturepixel(x - 1, y - 1) +
matrix[1][2] * getpicturepixel(x , y - 1) +
matrix[1][3] * getpicturepixel(x + 1, y - 1) +
matrix[2][1] * getpicturepixel(x - 1, y ) +
matrix[2][2] * getpicturepixel(x , y ) +
matrix[2][3] * getpicturepixel(x + 1, y ) +
matrix[3][1] * getpicturepixel(x - 1, y + 1) +
matrix[3][2] * getpicturepixel(x , y + 1) +
matrix[3][3] * getpicturepixel(x + 1, y + 1);
matrix[1][1] * getbackuppixel(x - 1, y - 1) +
matrix[1][2] * getbackuppixel(x , y - 1) +
matrix[1][3] * getbackuppixel(x + 1, y - 1) +
matrix[2][1] * getbackuppixel(x - 1, y ) +
matrix[2][2] * getbackuppixel(x , y ) +
matrix[2][3] * getbackuppixel(x + 1, y ) +
matrix[3][1] * getbackuppixel(x - 1, y + 1) +
matrix[3][2] * getbackuppixel(x , y + 1) +
matrix[3][3] * getbackuppixel(x + 1, y + 1);
putpicturepixel(x,y,filtered);
end
end