Straighten effect
Rotates and optionally scales an image.
The CLSID for this effect is CLSID_D2D1Straighten.
Example image
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 |