Direct3DInterop.cpp
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#include "pch.h"
#include "Direct3DInterop.h"
#include "Direct3DContentProvider.h"
#include <windows.storage.streams.h>
#include <wrl.h>
#include <robuffer.h>
#include <opencv2\imgproc\types_c.h>
using namespace Windows::Storage::Streams;
using namespace Microsoft::WRL;
using namespace Windows::Foundation;
using namespace Windows::UI::Core;
using namespace Microsoft::WRL;
using namespace Windows::Phone::Graphics::Interop;
using namespace Windows::Phone::Input::Interop;
namespace PhoneXamlDirect3DApp1Comp
{
void Direct3DInterop::ApplyGrayFilter(const cv::Mat& image)
{
cv::Mat intermediateMat;
cv::cvtColor(image, intermediateMat, COLOR_RGBA2GRAY);
cv::cvtColor(intermediateMat, image, COLOR_GRAY2BGRA);
}
void Direct3DInterop::ApplyCannyFilter(const cv::Mat& image)
{
cv::Mat intermediateMat;
cv::Canny(image, intermediateMat, 80, 90);
cv::cvtColor(intermediateMat, image, COLOR_GRAY2BGRA);
}
void Direct3DInterop::ApplySepiaFilter(const cv::Mat& image)
{
const float SepiaKernelData[16] =
{
/* B */0.131f, 0.534f, 0.272f, 0.f,
/* G */0.168f, 0.686f, 0.349f, 0.f,
/* R */0.189f, 0.769f, 0.393f, 0.f,
/* A */0.000f, 0.000f, 0.000f, 1.f
};
const cv::Mat SepiaKernel(4, 4, CV_32FC1, (void*)SepiaKernelData);
cv::transform(image, image, SepiaKernel);
}
Direct3DInterop::Direct3DInterop() :
m_timer(ref new BasicTimer())
{
}
IDrawingSurfaceContentProvider^ Direct3DInterop::CreateContentProvider()
{
ComPtr<Direct3DContentProvider> provider = Make<Direct3DContentProvider>(this);
return reinterpret_cast<IDrawingSurfaceContentProvider^>(provider.Detach());
}
// IDrawingSurfaceManipulationHandler
void Direct3DInterop::SetManipulationHost(DrawingSurfaceManipulationHost^ manipulationHost)
{
manipulationHost->PointerPressed +=
ref new TypedEventHandler<DrawingSurfaceManipulationHost^, PointerEventArgs^>(this, &Direct3DInterop::OnPointerPressed);
manipulationHost->PointerMoved +=
ref new TypedEventHandler<DrawingSurfaceManipulationHost^, PointerEventArgs^>(this, &Direct3DInterop::OnPointerMoved);
manipulationHost->PointerReleased +=
ref new TypedEventHandler<DrawingSurfaceManipulationHost^, PointerEventArgs^>(this, &Direct3DInterop::OnPointerReleased);
}
void Direct3DInterop::RenderResolution::set(Windows::Foundation::Size renderResolution)
{
if (renderResolution.Width != m_renderResolution.Width ||
renderResolution.Height != m_renderResolution.Height)
{
m_renderResolution = renderResolution;
if (m_renderer)
{
m_renderer->UpdateForRenderResolutionChange(m_renderResolution.Width, m_renderResolution.Height);
RecreateSynchronizedTexture();
}
}
}
// Event Handlers
void Direct3DInterop::OnPointerPressed(DrawingSurfaceManipulationHost^ sender, PointerEventArgs^ args)
{
// Insert your code here.
}
void Direct3DInterop::OnPointerMoved(DrawingSurfaceManipulationHost^ sender, PointerEventArgs^ args)
{
// Insert your code here.
}
void Direct3DInterop::OnPointerReleased(DrawingSurfaceManipulationHost^ sender, PointerEventArgs^ args)
{
// Insert your code here.
}
// Interface With Direct3DContentProvider
HRESULT Direct3DInterop::Connect(_In_ IDrawingSurfaceRuntimeHostNative* host)
{
m_renderer = ref new CubeRenderer();
m_renderer->Initialize();
m_renderer->UpdateForWindowSizeChange(WindowBounds.Width, WindowBounds.Height);
m_renderer->UpdateForRenderResolutionChange(m_renderResolution.Width, m_renderResolution.Height);
// Restart timer after renderer has finished initializing.
m_timer->Reset();
return S_OK;
}
void Direct3DInterop::Disconnect()
{
m_renderer = nullptr;
}
HRESULT Direct3DInterop::PrepareResources(_In_ const LARGE_INTEGER* presentTargetTime, _Out_ BOOL* contentDirty)
{
*contentDirty = true;
return S_OK;
}
HRESULT Direct3DInterop::GetTexture(_In_ const DrawingSurfaceSizeF* size, _Out_ IDrawingSurfaceSynchronizedTextureNative** synchronizedTexture, _Out_ DrawingSurfaceRectF* textureSubRectangle)
{
m_timer->Update();
m_renderer->Update(m_timer->Total, m_timer->Delta);
m_renderer->Render();
RequestAdditionalFrame();
return S_OK;
}
ID3D11Texture2D* Direct3DInterop::GetTexture()
{
return m_renderer->GetTexture();
}
void Direct3DInterop::CreateTexture(const Platform::Array<int>^ buffer,int width,int height, OCVFilterType filter)
{
if (m_renderer)
{
cv::Mat Lena = cv::Mat(height, width, CV_8UC4);
memcpy(Lena.data, buffer->Data, 4 * height*width);
switch (filter)
{
case OCVFilterType::ePreview:
break;
case OCVFilterType::eGray:
ApplyGrayFilter(Lena);
break;
case OCVFilterType::eCanny:
ApplyCannyFilter(Lena);
break;
case OCVFilterType::eSepia:
ApplySepiaFilter(Lena);
break;
}
m_renderer->CreateTextureFromByte(Lena.data, width, height);
}
}
byte* GetPointerToPixelData( Windows::Storage::Streams::IBuffer ^ pixelBuffer)
{
// Query the IBufferByteAccess interface.
ComPtr<IBufferByteAccess> bufferByteAccess;
reinterpret_cast<IInspectable*>( pixelBuffer)->QueryInterface(IID_PPV_ARGS(&bufferByteAccess));
// Retrieve the buffer data.
byte* pixels = nullptr;
bufferByteAccess->Buffer(&pixels);
return pixels;
}
}