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Add support for setting the transform on Direct2D gradient brushes

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This commit is contained in:
Robin Dunn
2019-08-02 16:04:01 -07:00
parent 6d85b566ce
commit a8eeab3af2
1 changed files with 25 additions and 7 deletions
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32
src/msw/graphicsd2d.cpp
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@@ -2445,14 +2445,23 @@ protected:
void DoAcquireResource() wxOVERRIDE
{
wxD2DGradientStopsHelper helper(m_linearGradientInfo.stops, GetContext());
ID2D1LinearGradientBrush *linearGradientBrush;
HRESULT hr = GetContext()->CreateLinearGradientBrush(
D2D1::LinearGradientBrushProperties(
D2D1::Point2F(m_linearGradientInfo.direction.GetX(), m_linearGradientInfo.direction.GetY()),
D2D1::Point2F(m_linearGradientInfo.direction.GetWidth(), m_linearGradientInfo.direction.GetHeight())),
D2D1::Point2F(m_linearGradientInfo.direction.GetX(), m_linearGradientInfo.direction.GetY()),
D2D1::Point2F(m_linearGradientInfo.direction.GetWidth(), m_linearGradientInfo.direction.GetHeight())),
helper.GetGradientStopCollection(),
&m_nativeResource);
&linearGradientBrush);
wxCHECK_HRESULT_RET(hr);
if (! m_linearGradientInfo.matrix.IsNull())
{
D2D1::Matrix3x2F matrix = wxGetD2DMatrixData(m_linearGradientInfo.matrix)->GetMatrix3x2F();
matrix.Invert();
linearGradientBrush->SetTransform(matrix);
}
m_nativeResource = linearGradientBrush;
}
private:
const LinearGradientInfo m_linearGradientInfo;
@@ -2486,18 +2495,27 @@ protected:
void DoAcquireResource() wxOVERRIDE
{
wxD2DGradientStopsHelper helper(m_radialGradientInfo.stops, GetContext());
ID2D1RadialGradientBrush *radialGradientBrush;
int xo = m_radialGradientInfo.direction.GetLeft() - m_radialGradientInfo.direction.GetWidth();
int yo = m_radialGradientInfo.direction.GetTop() - m_radialGradientInfo.direction.GetHeight();
HRESULT hr = GetContext()->CreateRadialGradientBrush(
D2D1::RadialGradientBrushProperties(
D2D1::Point2F(m_radialGradientInfo.direction.GetLeft(), m_radialGradientInfo.direction.GetTop()),
D2D1::Point2F(xo, yo),
m_radialGradientInfo.radius, m_radialGradientInfo.radius),
D2D1::Point2F(m_radialGradientInfo.direction.GetLeft(), m_radialGradientInfo.direction.GetTop()),
D2D1::Point2F(xo, yo),
m_radialGradientInfo.radius, m_radialGradientInfo.radius),
helper.GetGradientStopCollection(),
&m_nativeResource);
&radialGradientBrush);
wxCHECK_HRESULT_RET(hr);
if (! m_radialGradientInfo.matrix.IsNull())
{
D2D1::Matrix3x2F matrix = wxGetD2DMatrixData(m_radialGradientInfo.matrix)->GetMatrix3x2F();
matrix.Invert();
radialGradientBrush->SetTransform(matrix);
}
m_nativeResource = radialGradientBrush;
}
private: