Android: Drawing to canvas, way to make bottom left correspond to (0,0)?

No, I don't know of a way to move 0,0 to the bottom left and get what you would typically think of as "normal" coordinates But combining scale() and translate() might do the trick to achieve the same effect canvas. Translate(0,canvas.getHeight()); // reset where 0,0 is located canvas. Scale(1,-1); // invert.

No, I don't know of a way to move 0,0 to the bottom left and get what you would typically think of as "normal" coordinates. But combining scale() and translate() might do the trick to achieve the same effect. Canvas.

Translate(0,canvas.getHeight()); // reset where 0,0 is located canvas. Scale(1,-1); // invert.

Nothing is drawing after I do this. – John Lotacs Jul 13 at 17:01 The translation needs to come before the scale. Since you're scaling first, the translation is shifting the canvas the opposite direction that you intend.

Also remember to call canvas.save() before the transformation and canvas.restore() after you've completed drawing. – LeffelMania Jul 13 at 17:02 The problem was you need to call translate() before scale(), works now. – John Lotacs Jul 13 at 17:04 I will update the code in the above answer to match the comments!

– dustmachine Jul 13 at 17:06.

You can use canvas.translate() developer.android.com/reference/android/..., float) to move the origin to where you want.

You can flip your Canvas with something like canvas. Scale(1, -1) and then translate it to the right place.

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