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Description

This Addon/Library is designed for developers to generate consistent screenshots for your image gallery.

Installation

Just install this as a standalone addon from CurseForge or Wago. You don't need to embedded or package it into you project. (A dependency link as a used tool is appreciated though. :) )

Example

local gg = LibStub("GalleryGenerator")
gg:TakeScreenshots(
    {
        function(api)
            api:BackScreen() -- hide game world with black screen
    
            ToggleCharacter("PaperDollFrame") -- shows character frame
            api:PointAndClick(PaperDollFrame.ExpandButton)
        end,
        function(api)
            api:BackScreen(0, 1, 0) -- green screen
            api:Click(PaperDollFrame.ExpandButton) -- revert previous toggle
    
            api:PointAndClick(CharacterFrameTab2)
        end,
    },
    function(api)
        api:Click(CharacterFrameTab1)
        ToggleCharacter("PaperDollFrame")
    end
)

More practical examples can be found here:

API

The library itself has only one external method called TakeScreenshots.

  1. The first argument is a list of your preparation functions. A screenshot is triggered 1 Second after the end of each function.
  2. With a further optional function as second argument, you can revert your UI back into the initial state.

Each function is provided with an internal API as first argument.

api:Point(targetFrame[, offsetX[, offsetY]])

This places a virtual pointer icon central on the given frame. It also triggers script handlers for OnEnter and all parent frames. Subsequently, it also triggers OnLeave.

  • targetFrame table|Frame A frame to place the pointer onto
  • offsetX nil|number Optional offset right of the center (negative for left)
  • offsetY nil|number Optional offset up of the center (negative for down)

Returns:

  • table|TextureBase Texture instance of pointer icon for own further customization

api:Click(targetFrame[, button])

This triggers all cLick handlers on the given frame. (In order: OnMouseDown, OnMouseUp, PreClick, OnClick, PostClick)

  • targetFrame table|Frame Frame to trigger a click on
  • button nil|string Optional mouse button identifier. Defaults to "LeftButton"

api:PointAndClick(targetFrame)

A simple function to subsequently call Point() and Click()

  • targetFrame table|Frame Frame to place the pointer on and trigger a LeftClick

Returns:

  • table|TextureBase Texture instance of pointer icon for own further customization

api:Wait()

This interrupts the internal Screenshot timer, so you can wait longer for your UI to finish loading. You HAVE TO call Continue() on your own to process further!

api:Continue()

This continues processing after a Wait() interruption.

api:BackScreen([red, green, blue])

This shows a back screen to hide the game world.

  • red nil|number Optional red component [0.0 - 1.0]
  • green nil|number Optional green component [0.0 - 1.0]
  • blue nil|number Optional blue component [0.0 - 1.0]

Tips & Tricks

  • You should use the english game client to take screenshots. So they are readable by probably the most users. (You can use a PTR client for that. ;))
  • Use the :BackScreen() to hide the game world and to provide a nice background color for further processing.
  • You can add your script and images into your project repository, but you should ignore them in your .pckgmeta file. So it doesn't bloat the final zip unnecessarily.
  • After you have taken some nice shots. You can automate copying and cropping the files a bit as well. Read further in the project wiki.