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File: toastui/docs/
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Description: Auxiliary data
Class: PHP Document Scanner using SANE or eSCL AirPrint
Web interface to scan printed documents
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Date: 1 year ago
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  • Insert text on the canvas and modify text.
  • Change text color, weight, align so on.

>Implementing to insert text on the canvas using the text palette - The user can make the specific text palette and edit some text using this palette. - Call custom event API, it can insert text object and control the text palette. * ImageEditor#activateText : It occurs when the canvas is clicked. * ImageEditor#adjustObject : It occurs when any inserted text object is moved or resized.

imageEditor.on('activateText', function(obj) {
  console.log(obj.type); // Whether the current text object is new or aleady created
  console.log(obj.text); // Contents of the current text object
  console.log(obj.styles); // Styles of the current text object
  console.log(obj.originPosition); // Mouse position on the canvas
  console.log(obj.clientPosition); // Mouse position on browser - set the text palette's position
imageEditor.on('adjustObject', function(obj) {
  console.log(obj.type); // Whether the selected object's type is "text" or others - control the the text palette's view state



  • Insert the basic icon on the canvas. (type: _arrow_, _cancel_ icon)
  • Register the custom icon.
  • Change color of the icon.

>How to draw SVG path - Link

>How to get SVG path value when registering the custom icon - Link


Mask Filter

  • Load the image for using mask filter. (This image is called the "mask image")
  • When applying mask filter on the canvas image, the canvas image's areas matching the mask image's black areas should be transparent.


Line Drawing

  • Draw the straight line on the canvas.
  • Change the color and width value of brush to draw line.



  • On the canvas * `ctrl + z` : undo * `ctrl + y` : redo
  • Crop * `shift` : making the cropzone of 1:1 ratio



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