Changing Shapes or Perspectives

[atlanta43]

GIMP Version: 2.8.14
Operating System: Windows
GIMP Experience: New User

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I want to stretch out rectangles and squares and get odd shapes like in the image below. It seems like the Perspective tool should do that but when I click Transform the rectangle returns to its original shape? I'm not sure what keywords to use to find guidance on this? Does anyone know how to change the shape?

[dinasset]

using perspective tool

initial, a Yellow square

Cattura1.PNG (4.35 KiB) Viewed 3544 times

intermediate: using the Perspective tool (forward) move the corners as you like

Cattura2.PNG (80.35 KiB) Viewed 3544 times

final, a Yellow distorted quadrangle

Cattura2.PNG (80.35 KiB) Viewed 3544 times

[Odinbc]

Add Alpha Channel, increase the canvas size.

[atlanta43]

I see how to use the Perspective tool to get an odd shape, but then it insists that we click on "Transform" (because Help/Reset/Cancel make no sense). As soon as I do that it reverts to a rectangle? How did you get your yellow shape to remain in that form?

[dinasset]

I just clicked on transform.
Your problem is likely that you start with a square WITHOUT space around it.

[dinasset]

my square is PART of the image (Odin said: increase the canvas size, same idea)

[atlanta43]

dinasset: thank you so much! That is exactly the problem. I didn't understand why Odinbc was telling me to use the alpha channel but now it's clear. You are both great to be so helpful and I appreciate your time and willingness to share your knowledge.

[ofnuts]

If you want to create shapes filled with some unifom color, you don't need the perspective tool, just use the freehand selector in polygon mode (i.e, click on the 4 corners).

Freehand.png (6.8 KiB) Viewed 3426 times