// フレームを画面に描画します。
void Direct2DRenderer::Render(INT16* waveBuffer,int length,ID2D1Bitmap1* targetBitmap)
{
if (!targetBitmap) return;
ID2D1DeviceContext* context = m_deviceResources->GetD2DDeviceContext();
context->SetTarget(targetBitmap);
Windows::Foundation::Size logicalSize = { (float)targetBitmap->GetPixelSize().width, (float)targetBitmap->GetPixelSize().height};//m_deviceResources->GetLogicalSize();
context->SaveDrawingState(m_stateBlock.Get());
context->BeginDraw();
// 右下隅に配置
D2D1::Matrix3x2F screenTranslation = D2D1::Matrix3x2F::Translation(
0.0f, logicalSize.Height);
// logicalSize.Height - m_textMetrics.layoutHeight
// );
//D2D1::Matrix3x2F screenTranslation = D2D1::Matrix3x2F::Translation(0.0f,0.0f);
screenTranslation._22 = screenTranslation._22 * -1.0f;
context->SetTransform(screenTranslation * m_deviceResources->GetOrientationTransform2D());
context->DrawTextLayout(
D2D1::Point2F(0.f, 0.f),
m_textLayout.Get(),
m_whiteBrush.Get()
);
// 波形データを表示する
const float delta = 1323.0f / VIDEO_WIDTH;
for (float i = 0; i < VIDEO_WIDTH; i += delta){
int pos = (int) i;
if (pos >= length) break;
float left = ((float) waveBuffer[pos]) / 32768.0f * 150.0f + 180.0f;
float right = ((float) waveBuffer[pos + 1]) / 32768.0f * 150.0f + 540.0f;
context->DrawLine(D2D1::Point2F(i, 180.0f), D2D1::Point2F(i, left), m_whiteBrush.Get());
context->DrawLine(D2D1::Point2F(i, 540.0f), D2D1::Point2F(i, right), m_whiteBrush.Get());
}
// D2DERR_RECREATE_TARGET をここで無視します。このエラーは、デバイスが失われたことを示します。
// これは、Present に対する次回の呼び出し中に処理されます。
HRESULT hr = context->EndDraw();
if (hr != D2DERR_RECREATE_TARGET)
{
DX::ThrowIfFailed(hr);
}
context->RestoreDrawingState(m_stateBlock.Get());
}
void Sample2DSceneRenderer::Render()
{
ID2D1DeviceContext* context = m_deviceResources->GetD2DDeviceContext();
// Dash array for dashStyle D2D1_DASH_STYLE_CUSTOM
float dashes[] = { 1.0f, 2.0f, 2.0f, 3.0f, 2.0f, 2.0f };
ID2D1StrokeStyle* m_stroke;
m_deviceResources->GetD2DFactory()->CreateStrokeStyle(
D2D1::StrokeStyleProperties(
D2D1_CAP_STYLE_FLAT,
D2D1_CAP_STYLE_FLAT,
D2D1_CAP_STYLE_ROUND,
D2D1_LINE_JOIN_MITER,
10.0f,
D2D1_DASH_STYLE_CUSTOM,
0.0f),
dashes,
ARRAYSIZE(dashes),
&m_stroke
);
context->BeginDraw();
//context->Clear(D2D1::ColorF(D2D1::ColorF::CornflowerBlue));
auto m_bitmapSize = m_pBitmap->GetSize();
context->DrawBitmap(
m_pBitmap.Get(),
D2D1::RectF(200.0f, padding, m_bitmapSize.width + 200.0f, m_bitmapSize.height + padding)
);
context->DrawRectangle(
D2D1::RectF(100.0f, 100.0f, 500.0f, 500.0f),
m_pBlueBrush.Get(),
4.0f,
m_stroke
);
context->FillRectangle(
D2D1::RectF(600.0f, 400.0f, 900.0f, 700.0f),
m_pLinearGradientBrush.Get()
);
context->DrawLine(
D2D1::Point2F(200, 300),
D2D1::Point2F(800, 500),
m_pBlueBrush.Get(),
10.0f,
m_stroke
);
DX::ThrowIfFailed(
context->EndDraw()
);
}