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Straighten effect

  • Article

Rotates and optionally scales an image.

The CLSID for this effect is CLSID_D2D1Straighten.

Example image

example of effect output

Sample code

ComPtr<ID2D1Effect> straightenEffect;
m_d2dContext->CreateEffect(CLSID_D2D1Straighten, &straightenEffect);
 
straightenEffect->SetInput(0, bitmap);
straightenEffect->SetValue(D2D1_STRAIGHTEN_PROP_ANGLE, 12.0f);
straightenEffect->SetValue(D2D1_STRAIGHTEN_PROP_MAINTAIN_SIZE, true);
straightenEffect->SetValue(D2D1_STRAIGHTEN_PROP_SCALE_MODE, D2D1_STRAIGHTEN_SCALE_MODE_LINEAR);
 
m_d2dContext->BeginDraw();
m_d2dContext->DrawImage(straightenEffect.Get());
m_d2dContext->EndDraw();

Effect properties

The properties for the straighten effect are defined by the D2D1_STRAIGHTEN_PROP enumeration.

Requirements

Requirement Value
Minimum supported client Windows 10 [desktop apps | Windows Store apps]
Minimum supported server Windows 10 [desktop apps | Windows Store apps]
Header d2d1effects_2.h
Library d2d1.lib, dxguid.lib