diff options
Diffstat (limited to 'src/lua5/im_process.lua')
| -rw-r--r-- | src/lua5/im_process.lua | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/lua5/im_process.lua b/src/lua5/im_process.lua index 1d91d5e..fbe9534 100644 --- a/src/lua5/im_process.lua +++ b/src/lua5/im_process.lua @@ -30,7 +30,7 @@ end local function TwoSourcesOneDest (funcname, width, height, color_space, data_type) local func = im[funcname] - + -- see if function is really defined assert(func, string.format("undefined function `%s'", funcname)) @@ -148,12 +148,12 @@ function im.ProcessResizeNew (src_image, width, height) return im.ProcessResize(src_image, dst_image), dst_image end -OneSourceOneDest("ProcessReduceBy4", function (image) return image:Width() / 2 end, +OneSourceOneDest("ProcessReduceBy4", function (image) return image:Width() / 2 end, function (image) return image:Height() / 2 end) function im.ProcessCropNew (src_image, xmin, xmax, ymin, ymax) local width = xmax - xmin + 1 - local height = xmax - ymin + 1 + local height = ymax - ymin + 1 local dst_image = im.ImageCreateBased(src_image, width, height) im.ProcessCrop(src_image, dst_image, xmin, ymin) return dst_image @@ -163,7 +163,7 @@ TwoSourcesOneDest("ProcessInsert") function im.ProcessAddMarginsNew (src_image, xmin, xmax, ymin, ymax) local width = xmax - xmin + 1 - local height = xmax - ymin + 1 + local height = ymax - ymin + 1 local dst_image = im.ImageCreateBased(src_image, width, height) im.ProcessAddMargins(src_image, dst_image, xmin, ymin) return dst_image @@ -217,7 +217,7 @@ function im.ProcessInterlaceSplitNew(src_image) if math.mod(src_image:Height(), 2) then dst_height1 = dst_height1 + 1 end - + local dst_image1 = im.ImageCreateBased(src_image, nil, dst_height1) local dst_image2 = im.ImageCreateBased(src_image, nil, src_image:Height()/2) |