// 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());
}
// Renders a frame to the screen.
void SampleFpsTextRenderer::Render()
{
ID2D1DeviceContext* context = m_deviceResources->GetD2DDeviceContext();
RECT windowSize = m_deviceResources->GetWindowSize();
UINT width = windowSize.right - windowSize.left;
UINT height = windowSize.bottom - windowSize.top;
context->SaveDrawingState(m_stateBlock.Get());
context->BeginDraw();
// Position on the bottom right corner
D2D1::Matrix3x2F screenTranslation = D2D1::Matrix3x2F::Translation(
width - m_textMetrics.layoutWidth,
height - m_textMetrics.height
);
context->SetTransform(screenTranslation);
DX::ThrowIfFailed(
m_textFormat->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_TRAILING)
);
context->DrawTextLayout(
D2D1::Point2F(0.f, 0.f),
m_textLayout.Get(),
m_whiteBrush.Get()
);
// Ignore D2DERR_RECREATE_TARGET here. This error indicates that the device
// is lost. It will be handled during the next call to Present.
HRESULT hr = context->EndDraw();
if (hr != D2DERR_RECREATE_TARGET)
{
DX::ThrowIfFailed(hr);
}
context->RestoreDrawingState(m_stateBlock.Get());
}
// 将帧呈现到屏幕。
void SampleFpsTextRenderer::Render()
{
ID2D1DeviceContext* context = m_deviceResources->GetD2DDeviceContext();
Windows::Foundation::Size logicalSize = m_deviceResources->GetLogicalSize();
context->SaveDrawingState(m_stateBlock.Get());
context->BeginDraw();
// 定位在右下角
D2D1::Matrix3x2F screenTranslation = D2D1::Matrix3x2F::Translation(
logicalSize.Width - m_textMetrics.layoutWidth,
logicalSize.Height - m_textMetrics.height
);
context->SetTransform(screenTranslation * m_deviceResources->GetOrientationTransform2D());
DX::ThrowIfFailed(
m_textFormat->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_TRAILING)
);
context->DrawTextLayout(
D2D1::Point2F(0.f, 0.f),
m_textLayout.Get(),
m_whiteBrush.Get()
);
// 此处忽略 D2DERR_RECREATE_TARGET。此错误指示该设备
// 丢失。将在下一次调用 Present 时对其进行处理。
HRESULT hr = context->EndDraw();
if (hr != D2DERR_RECREATE_TARGET)
{
DX::ThrowIfFailed(hr);
}
context->RestoreDrawingState(m_stateBlock.Get());
}
// Renders a frame to the screen.
void SampleDebugTextRenderer::Render()
{
ID2D1DeviceContext* context = m_deviceResources->GetD2DDeviceContext();
Windows::Foundation::Size logicalSize = m_deviceResources->GetLogicalSize();
context->SaveDrawingState(m_stateBlock.Get());
context->BeginDraw();
// Position the controllers in quadrants.
for (unsigned int i = 0; i < XINPUT_MAX_CONTROLLERS; i++)
{
unsigned int playerAttached = (m_playersAttached & (1 << i));
if (!playerAttached)
continue;
float x = logicalSize.Width;
float y = logicalSize.Height - 50.f; // size of FPS text
x -= (i % 2) ? m_textMetrics[i].layoutWidth : (2 * m_textMetrics[i].layoutWidth);
y -= (i > 1) ? m_inputTextHeight : (2 * m_inputTextHeight);
// Translate the origin (used to position in different quadrants)
D2D1::Matrix3x2F screenTranslation = D2D1::Matrix3x2F::Translation(x, y);
context->SetTransform(screenTranslation * m_deviceResources->GetOrientationTransform2D());
DX::ThrowIfFailed(
m_textFormat->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_TRAILING)
);
context->DrawTextLayout(
D2D1::Point2F(0.f, 0.f),
m_textLayout[i].Get(),
m_whiteBrush.Get()
);
}
// Position FPS on the bottom right corner.
D2D1::Matrix3x2F screenTranslation = D2D1::Matrix3x2F::Translation(
logicalSize.Width - m_textMetricsFPS.layoutWidth,
logicalSize.Height - m_textMetricsFPS.height
);
context->SetTransform(screenTranslation * m_deviceResources->GetOrientationTransform2D());
DX::ThrowIfFailed(
m_textFormat->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_TRAILING)
);
context->DrawTextLayout(
D2D1::Point2F(0.f, 0.f),
m_textLayoutFPS.Get(),
m_whiteBrush.Get()
);
// Ignore D2DERR_RECREATE_TARGET here. This error indicates that the device
// is lost. It will be handled during the next call to Present.
HRESULT hr = context->EndDraw();
if (hr != D2DERR_RECREATE_TARGET)
{
DX::ThrowIfFailed(hr);
}
context->RestoreDrawingState(m_stateBlock.Get());
}