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Questions tagged [canvas]

18 questions
4
votes
1 answer

Reset remembered firefox canvas decisions

Firefox 58 introduced a new feature, asking the user if we wants to allow HTML5 canvas image data for a website: Will you allow [website] to use your HTML5 canvas image data? This may be used to uniquely identify your computer. You can allow or…
user411112
3
votes
0 answers

Canvas profiler for updated chrome

Why has chrome removed canvas inspection from developer options? In case I need to trace canvas rendering for each frame, what is the tool/extension that I can use for current version of chrome(mine is 49.0.2623.87)?
Developer107
  • 131
2
votes
1 answer

How can I fix my Chrome HTML5 canvas?

I've noticed that my Chrome canvas doesn't work properly. For example, if I try to update this W3 school canvas sample (even without changing anything), it no longer renders properly (the red ball just disappears). This works fine in Firefox. I've…
Mike Pateras
  • 870
2
votes
2 answers

MS Word drawing canvas equivalent in Powerpoint

Is there a "Drawing canvas" (from MS Word) equivalent in MS Powerpoint? I like the fact I can add shapes and images in a specific area and move them all together easily. Thanks!
alexchl
  • 25
2
votes
1 answer

How can I block HTML Canvas fingerprinting in Firefox via permissions?

I ran a Canvas fingerprinting browser test and noticed that I am susceptible to Canvas fingerprinting in Firefox 66. This was a surprise to me, as I had read several announcements declaring that Firefox 58 introduced a prompt when sites attempt to…
sondra.kinsey
  • 218
1
vote
0 answers

Can't install Canvas 1.6.13 due to missing Windows 8.1 SDK

I'm trying to install Canvas in order to install chartjs-node, but whenever I try, I get this error: C:\Users\Mark\Desktop\Bot>npm install canvas@1.6.13 > canvas@1.6.13 install C:\Users\Mark\Desktop\Bot\node_modules\canvas > node-gyp…
Mark
  • 11
  • 1
1
vote
1 answer

Tor Browser: How to disable NAG “…attempted to extract HTML5 canvas…”

Constant Nag: "this website (...) attempted to extract HTML5 canvas image data, which may be used to uniquely identify your computer." There's an option to "remember for this site," which has NEVER remembered anything. I don't want to be bothered…
M209
  • 19
0
votes
2 answers

Photoshop Selection and canvas bugs

Since I upgraded to the new Photoshop CC 2015 I've been having some problems with the selection tool. When making a selection I often get double lines, lines stay after deselection and one selection can be in multiple parts. The selections works as…
Silvester
  • 3
0
votes
1 answer

Adobe Flash Canvas updated images keep exporting as the old image anyway

Is there some hidden image caching in Flash HTML5 Canvas? I updated an image in the library, the updated image showed on the stage. I deleted the old image from the asset folder it was imported from, and cleared my browser cache so ostensibly the…
Agent Zebra
  • 343
0
votes
1 answer

Automatic sequential filenames for Omnigraffle canvases

Is there a way to automatically name the canvas in Omnigraffle sequentially based on their position? Any applescript or plugin? Such as idea 1, idea 2, idea 3, etc. And if I move it, it'll use new position as part of name and update the others to be…
Scott Yu - builds stuff
  • 467
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0
votes
0 answers

firefox 15 not saving canvas in html when using save as webpage

I wanted to save a webpage in which there are pie charts generated using canvas. When i opened the saved file i could not find the pie chart. How to enable firefox to include canvas in the output? Chrome is doing well with respect to this. but i can…
Jayapal Chandran
  • 925
0
votes
1 answer

Greenshot resize canvas in v3 'unstable'

The shortcuts to resize the canvas in v2.9.x were Ctrl_+/- They have been assigned to zoom in v3. Can the canvas still be resized?
Piecevcake
  • 572
0
votes
4 answers

Canvas fingerprint spoofed. What does that mean?

I have recently visited a website which showed me device info and what drew my attention was "Canvas Fingerprint: Spoofed". What could that mean and how can I restore it? Device info website #1: Device info website #2:
lidistat67
  • 1
0
votes
1 answer

Resize photo to its original size not canvas size

I know about smart object , image size and canvas size and reveal all and trim in image menu and transform and other things. But I want to if there is any solution to change size of canvas in relation to a photo. think about it like this: you have 5…
sajjad abouei
  • 1
0
votes
0 answers

HTML Canvas performance difference between Linux and Windows

We made some measurements of HTML 5 Canvas drawing performance using http://www.kevs3d.co.uk/dev/canvasmark/ and we noticed that we got a much higher performance out of Linux than Windows: ╔═════════════════════╦═══════╦═════════╦════════════╗ ║ …
Konrad Höffner
  • 601
1
2