diff options
Diffstat (limited to 'test/lua/process_new.lua')
| -rw-r--r-- | test/lua/process_new.lua | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/test/lua/process_new.lua b/test/lua/process_new.lua deleted file mode 100644 index 93ebcce..0000000 --- a/test/lua/process_new.lua +++ /dev/null @@ -1,44 +0,0 @@ -require"imlua" -require"imlua_process" - -function save_histogram (hist, filename, format) - local height = 200 -- altura da imagem - local max = math.max(unpack(hist)) -- pega o maior valor do histograma - local n = table.getn(hist) + 1 -- zero-based - local image = im.ImageCreate(n, height, im.GRAY, im.BYTE) -- cria a imagem - local white = 255 - local black = 0 - - local render = function (x, y, d, param) - local v = hist[x] / max - local h = v * height - if y <= h then return black end - return white - end - - im.ProcessRenderOp(image, render, "histogram", {}, 0) - image:Save(filename, format) -end - -local filename = "lena.jpg" - -local image = im.FileImageLoad(filename) - -save_histogram(im.CalcHistogram(image, 0, 0), "lena_histogram_R.gif", "GIF") -save_histogram(im.CalcHistogram(image, 1, 0), "lena_histogram_G.gif", "GIF") -save_histogram(im.CalcHistogram(image, 2, 0), "lena_histogram_B.gif", "GIF") -save_histogram(im.CalcGrayHistogram(image, 0), "lena_histogram_gray.gif", "GIF") - -local r, g, b = im.ProcessSplitComponentsNew(image) -r:Save("lena_r.jpg", "JPEG") -g:Save("lena_g.jpg", "JPEG") -b:Save("lena_b.jpg", "JPEG") - -local rgb = im.ProcessMergeComponentsNew({r, g, b}) -rgb:Save("lena_rgb.jpg", "JPEG") - -local replace = im.ProcessReplaceColorNew(image, { 146, 93, 145 }, { 255, 0, 255 }) -replace:Save("lena_replace.jpg", "JPEG") - -local bitmask = im.ProcessBitMaskNew(image, "01111010", im.BIT_XOR) -replace:Save("lena_bitmask.jpg", "JPEG") |