diff options
| -rw-r--r-- | init.lua | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -509,6 +509,43 @@ doc.widgets.text = function(data, x, y, width, height) return formstring, widget_id end +-- Image gallery +doc.widgets.gallery = function(imagedata, x, y, aspect_ratio, width, rows, imageindex) + local formstring = "" + if rows == nil then rows = 3 end + if x == nil then x = doc.FORMSPEC.ENTRY_START_X end + if y == nil then y = doc.FORMSPEC.ENTRY_START_Y end + if width == nil then width = doc.FORMSPEC.ENTRY_WIDTH end + if imageindex == nil then imageindex = 1 end + if aspect_ratio == nil then aspect_ratio = (2/3) end + local pos = 0 + local totalimagewidth, iw, ih + local bw = 0.5 + local buttonoffset = 0 + if #imagedata > rows then + totalimagewidth = width - bw*2 + iw = totalimagewidth / rows + ih = iw * aspect_ratio + formstring = formstring .. "button["..x..","..y..";"..bw..","..ih..";doc_gallery_prev;"..F("<").."]" + local rightx = buttonoffset + (x + rows * iw) + formstring = formstring .. "button["..rightx..","..y..";"..bw..","..ih..";doc_gallery_next;"..F(">").."]" + buttonoffset = bw + else + totalimagewidth = width + iw = totalimagewidth / rows + ih = iw * aspect_ratio + end + for i=imageindex, math.min(#imagedata, (imageindex-1)+rows) do + xoffset = buttonoffset + (x + pos * iw) + formstring = formstring .. "image["..xoffset..","..y..";"..iw..","..ih..";"..imagedata[i].image.."]" + pos = pos + 1 + end + local bw, bh + + -- TODO: Use different identifiers + return formstring, "doc_gallery_prev", "doc_gallery_next" +end + -- Direct formspec doc.entry_builders.formspec = function(data) return data |