void CanvasD2D::FillRectangle(Gdiplus::Rect& rect, const Gdiplus::SolidBrush& brush)
{
if (!m_Target) // Use GDI+ if D2D render target has not been created.
{
m_GdipGraphics->FillRectangle(&brush, rect);
return;
}
Gdiplus::Color color;
brush.GetColor(&color);
Microsoft::WRL::ComPtr<ID2D1SolidColorBrush> solidBrush;
HRESULT hr = m_Target->CreateSolidColorBrush(ToColorF(color), solidBrush.GetAddressOf());
if (SUCCEEDED(hr))
{
m_Target->FillRectangle(ToRectF(rect), solidBrush.Get());
}
}
void CanvasD2D::FillRectangle(Gdiplus::Rect& rect, const Gdiplus::SolidBrush& brush)
{
if (!m_Target) // Use GDI+ if D2D render target has not been created.
{
m_GdipGraphics->FillRectangle(&brush, rect);
return;
}
Gdiplus::Color color;
brush.GetColor(&color);
ID2D1SolidColorBrush* solidBrush;
HRESULT hr = m_Target->CreateSolidColorBrush(ToColorF(color), &solidBrush);
if (SUCCEEDED(hr))
{
m_Target->FillRectangle(ToRectF(rect), solidBrush);
solidBrush->Release();
}
}
void CanvasD2D::DrawTextW(const WCHAR* str, UINT strLen, const TextFormat& format, Gdiplus::RectF& rect, const Gdiplus::SolidBrush& brush)
{
if (!BeginTargetDraw()) return;
Gdiplus::Color color;
brush.GetColor(&color);
Microsoft::WRL::ComPtr<ID2D1SolidColorBrush> solidBrush;
HRESULT hr = m_Target->CreateSolidColorBrush(ToColorF(color), solidBrush.GetAddressOf());
if (SUCCEEDED(hr))
{
TextFormatD2D& formatD2D = (TextFormatD2D&)format;
const bool right = formatD2D.GetHorizontalAlignment() == Gfx::HorizontalAlignment::Right;
formatD2D.CreateLayout(str, strLen, rect.Width, rect.Height);
m_Target->DrawTextLayout(
D2D1::Point2F(right ? rect.X - 2 : rect.X + 2.0f, rect.Y - 1.0f),
formatD2D.m_TextLayout.Get(),
solidBrush.Get());
}
}
void CanvasD2D::DrawTextW(const WCHAR* str, UINT strLen, const TextFormat& format, Gdiplus::RectF& rect,
const Gdiplus::SolidBrush& brush, bool applyInlineFormatting)
{
if (!BeginTargetDraw()) return;
Gdiplus::Color color;
brush.GetColor(&color);
Microsoft::WRL::ComPtr<ID2D1SolidColorBrush> solidBrush;
HRESULT hr = m_Target->CreateSolidColorBrush(ToColorF(color), solidBrush.GetAddressOf());
if (FAILED(hr)) return;
TextFormatD2D& formatD2D = (TextFormatD2D&)format;
if (!formatD2D.CreateLayout(
m_Target.Get(), str, strLen, rect.Width, rect.Height, !m_AccurateText && m_TextAntiAliasing)) return;
D2D1_POINT_2F drawPosition;
drawPosition.x = [&]()
{
if (!m_AccurateText)
{
const float xOffset = formatD2D.m_TextFormat->GetFontSize() / 6.0f;
switch (formatD2D.GetHorizontalAlignment())
{
case HorizontalAlignment::Left: return rect.X + xOffset;
case HorizontalAlignment::Right: return rect.X - xOffset;
}
}
return rect.X;
} ();
drawPosition.y = [&]()
{
// GDI+ compatibility.
float yPos = rect.Y - formatD2D.m_LineGap;
switch (formatD2D.GetVerticalAlignment())
{
case VerticalAlignment::Bottom: yPos -= formatD2D.m_ExtraHeight; break;
case VerticalAlignment::Center: yPos -= formatD2D.m_ExtraHeight / 2; break;
}
return yPos;
} ();
if (formatD2D.m_Trimming)
{
D2D1_RECT_F clipRect = ToRectF(rect);
if (m_CanUseAxisAlignClip)
{
m_Target->PushAxisAlignedClip(clipRect, D2D1_ANTIALIAS_MODE_ALIASED);
}
else
{
const D2D1_LAYER_PARAMETERS layerParams =
D2D1::LayerParameters(clipRect, nullptr, D2D1_ANTIALIAS_MODE_ALIASED);
m_Target->PushLayer(layerParams, nullptr);
}
}
// When different "effects" are used with inline coloring options, we need to
// remove the previous inline coloring, then reapply them (if needed) - instead
// of destroying/recreating the text layout.
formatD2D.ResetInlineColoring(solidBrush.Get(), strLen);
if (applyInlineFormatting)
{
formatD2D.ApplyInlineColoring(m_Target.Get(), &drawPosition);
}
m_Target->DrawTextLayout(drawPosition, formatD2D.m_TextLayout.Get(), solidBrush.Get());
if (applyInlineFormatting)
{
// Inline gradients require the drawing position, so in case that position
// changes, we need a way to reset it after drawing time so on the next
// iteration it will know the correct position.
formatD2D.ResetGradientPosition(&drawPosition);
}
if (formatD2D.m_Trimming)
{
if (m_CanUseAxisAlignClip)
{
m_Target->PopAxisAlignedClip();
}
else
{
m_Target->PopLayer();
}
}
}
void CanvasD2D::DrawTextW(const WCHAR* str, UINT strLen, const TextFormat& format, Gdiplus::RectF& rect, const Gdiplus::SolidBrush& brush)
{
if (!BeginTargetDraw()) return;
Gdiplus::Color color;
brush.GetColor(&color);
Microsoft::WRL::ComPtr<ID2D1SolidColorBrush> solidBrush;
HRESULT hr = m_Target->CreateSolidColorBrush(ToColorF(color), solidBrush.GetAddressOf());
if (FAILED(hr)) return;
TextFormatD2D& formatD2D = (TextFormatD2D&)format;
if (!formatD2D.CreateLayout(
str, strLen, rect.Width, rect.Height, !m_AccurateText && m_TextAntiAliasing)) return;
D2D1_POINT_2F drawPosition;
drawPosition.x = [&]()
{
if (!m_AccurateText)
{
const float xOffset = formatD2D.m_TextFormat->GetFontSize() / 6.0f;
switch (formatD2D.GetHorizontalAlignment())
{
case HorizontalAlignment::Left:
return rect.X + xOffset;
case HorizontalAlignment::Right:
return rect.X - xOffset;
}
}
return rect.X;
} ();
drawPosition.y = [&]()
{
// GDI+ compatibility.
float yPos = rect.Y - formatD2D.m_LineGap;
switch (formatD2D.GetVerticalAlignment())
{
case VerticalAlignment::Bottom:
yPos -= formatD2D.m_ExtraHeight;
break;
case VerticalAlignment::Center:
yPos -= formatD2D.m_ExtraHeight / 2;
break;
}
return yPos;
} ();
if (formatD2D.m_Trimming)
{
D2D1_RECT_F clipRect = ToRectF(rect);
if (m_CanUseAxisAlignClip)
{
m_Target->PushAxisAlignedClip(clipRect, D2D1_ANTIALIAS_MODE_ALIASED);
}
else
{
const D2D1_LAYER_PARAMETERS layerParams =
D2D1::LayerParameters(clipRect, nullptr, D2D1_ANTIALIAS_MODE_ALIASED);
m_Target->PushLayer(layerParams, nullptr);
}
}
m_Target->DrawTextLayout(drawPosition, formatD2D.m_TextLayout.Get(), solidBrush.Get());
if (formatD2D.m_Trimming)
{
if (m_CanUseAxisAlignClip)
{
m_Target->PopAxisAlignedClip();
}
else
{
m_Target->PopLayer();
}
}
}
