bool CDirectWriteRenderer::DrawText(
LPCWSTR pText, int Length, const RECT &Rect,
CDirectWriteFont &Font, CDirectWriteBrush &Brush, unsigned int Flags)
{
if (pText == nullptr)
return false;
if (m_pRenderTarget == nullptr)
return false;
bool fOK = false;
IDWriteTextFormat *pTextFormat = Font.GetTextFormat();
if (pTextFormat != nullptr) {
ID2D1Brush *pBrush = Brush.GetBrush();
if (pBrush != nullptr) {
pTextFormat->SetTextAlignment(
(Flags & DRAW_TEXT_ALIGN_HORZ_CENTER) != 0 ?
DWRITE_TEXT_ALIGNMENT_CENTER :
(Flags & DRAW_TEXT_ALIGN_RIGHT) != 0 ?
DWRITE_TEXT_ALIGNMENT_TRAILING :
((Flags & DRAW_TEXT_ALIGN_JUSTIFIED) != 0
&& Util::OS::IsWindows8OrLater()) ?
DWRITE_TEXT_ALIGNMENT_JUSTIFIED :
DWRITE_TEXT_ALIGNMENT_LEADING);
pTextFormat->SetParagraphAlignment(
(Flags & DRAW_TEXT_ALIGN_VERT_CENTER) != 0 ?
DWRITE_PARAGRAPH_ALIGNMENT_CENTER :
(Flags & DRAW_TEXT_ALIGN_BOTTOM) != 0 ?
DWRITE_PARAGRAPH_ALIGNMENT_FAR :
DWRITE_PARAGRAPH_ALIGNMENT_NEAR);
pTextFormat->SetWordWrapping(DWRITE_WORD_WRAPPING_NO_WRAP);
DWRITE_TRIMMING Trimming = {DWRITE_TRIMMING_GRANULARITY_NONE, 0, 0};
pTextFormat->SetTrimming(&Trimming, nullptr);
m_pRenderTarget->DrawText(
pText,
Length >= 0 ? Length : ::lstrlenW(pText),
pTextFormat,
D2DRectF(Rect),
pBrush);
fOK = true;
pBrush->Release();
}
pTextFormat->Release();
}
return fOK;
}
void MWinDeviceImpl::SetBackColor(
MColor inColor)
{
if (mBackBrush != nil)
mBackBrush->Release();
ID2D1SolidColorBrush* brush;
THROW_IF_HRESULT_ERROR(
mRenderTarget->CreateSolidColorBrush(D2D1::ColorF(inColor.red / 255.f, inColor.green / 255.f, inColor.blue / 255.f), &brush));
mBackBrush = brush;
}
void MWinDeviceImpl::CreateAndUsePattern(
MColor inColor1,
MColor inColor2)
{
uint32 data[8][8];
uint32 c1 = 0, c2 = 0;
c1 |= inColor1.red << 16;
c1 |= inColor1.green << 8;
c1 |= inColor1.blue << 0;
c2 |= inColor2.red << 16;
c2 |= inColor2.green << 8;
c2 |= inColor2.blue << 0;
for (uint32 y = 0; y < 8; ++y)
{
for (uint32 x = 0; x < 4; ++x)
data[y][x] = c1;
for (uint32 x = 4; x < 8; ++x)
data[y][x] = c2;
}
ID2D1BitmapBrush* brush;
ID2D1Bitmap* bitmap;
THROW_IF_HRESULT_ERROR(mRenderTarget->CreateBitmap(D2D1::SizeU(8, 8), data, 32,
D2D1::BitmapProperties(
D2D1::PixelFormat(DXGI_FORMAT_B8G8R8A8_UNORM, D2D1_ALPHA_MODE_IGNORE)
), &bitmap));
THROW_IF_HRESULT_ERROR(mRenderTarget->CreateBitmapBrush(
bitmap,
D2D1::BitmapBrushProperties(D2D1_EXTEND_MODE_WRAP, D2D1_EXTEND_MODE_WRAP),
D2D1::BrushProperties(1.0f, D2D1::Matrix3x2F::Rotation(45.f)),
&brush));
bitmap->Release();
if (mForeBrush != nil)
mForeBrush->Release();
mForeBrush = brush;
}
virtual ~D2DPaintRendererState() {
if (brush) {
brush->Release();
brush = NULL;
}
}
