Comments (3)
When you undo the latest step, this is what is happening:
- the cache image is erased
- every path in the undo array will be redrawn, but the last one
One suggestion to improve the performances could be to save more than one cache image, let say once every 10 draws. Doing this, when you undo, you will redraw only up to 9 items ...
from acedrawingview.
saving extra cache image is good way to solve but if 1 of the ten draw is too big then it will take much time. Can we update cache image every time, and when undo is pressed it will just replace last image.
from acedrawingview.
Done with Undo time gap.
I have one doubt regarding this. Hope this is not the wrong place to ask. I apologize if it is.
I am developing one application in which i will let user to draw a picture, after user completes drawing i will display the video how user did that. So gradually it will redraw complete drawing. I am done with this part but i am stuck with fast forward functionality. In which user will directly see final drawing. So how can i implement that. I have developed code for that and it works fine with simulator but i am facing problem in device as application crashes when i click on that button. I think reason is in device we can not render too much data with one click at the same time.
Can you guide with this?
Please give some idea if you have on this, will try to implement that.
-Thanx.
from acedrawingview.
Related Issues (20)
- hideHandle() HOT 2
- Text label(ACEDrawingLabelView) missing after save image HOT 6
- Texture support HOT 1
- change font and color for existing text? HOT 2
- Custom Shapes HOT 1
- Having the ability to store the drawn paths and load them into the view when app is loaded HOT 2
- Play back support
- Clear doesn't actually clear HOT 2
- Start editing when user lands on Drawing View
- Drawing view is not supporting orientation. HOT 1
- How to create brush tool? HOT 2
- predict the pressure sensitivity of the user's finger to define the thickness of the brush
- Draggable textview position problem HOT 2
- Is it possible to select and and delete any drawing object ?
- Support for brush textures? HOT 1
- How to get the line position?
- Can I get the bounding box containing only drawing ? HOT 1
- "Invalid suffix '.1' on floating constant" HOT 4
- latency issues
- Semantic Issues Warn "Method prev_image, setPrev_image deplecated here". HOT 1
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from acedrawingview.