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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| #include "pch.h" | ||
| #include "BitmapMap.h" | ||
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| using namespace Retrix::UWP::Native; | ||
| using namespace Platform; | ||
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| BitmapMap::BitmapMap(CanvasDevice^ device, CanvasBitmap^ bitmap) | ||
| { | ||
| d2dBitmap = GetWrappedResource<ID2D1Bitmap1, CanvasBitmap>(device, bitmap); | ||
| __abi_ThrowIfFailed(d2dBitmap->Map(D2D1_MAP_OPTIONS_WRITE | D2D1_MAP_OPTIONS_DISCARD, &map)); | ||
| } | ||
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| BitmapMap::~BitmapMap() | ||
| { | ||
| __abi_ThrowIfFailed(d2dBitmap->Unmap()); | ||
| } | ||
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| CanvasBitmap^ BitmapMap::CreateMappableBitmap(CanvasDrawingSession^ drawingSession, unsigned int width, unsigned int height) | ||
| { | ||
| ComPtr<ID3D11Device> d3dDevice; | ||
| __abi_ThrowIfFailed(GetDXGIInterface(drawingSession->Device, d3dDevice.GetAddressOf())); | ||
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| D3D11_TEXTURE2D_DESC texDesc = { 0 }; | ||
| texDesc.Width = width; | ||
| texDesc.Height = height; | ||
| texDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM; | ||
| texDesc.MipLevels = 1; | ||
| texDesc.ArraySize = 1; | ||
| texDesc.SampleDesc.Count = 1; | ||
| texDesc.SampleDesc.Quality = 0; | ||
| texDesc.Usage = D3D11_USAGE_DYNAMIC; | ||
| texDesc.BindFlags = D3D11_BIND_SHADER_RESOURCE; | ||
| texDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; | ||
| texDesc.MiscFlags = 0; | ||
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| ComPtr<ID3D11Texture2D> d3dTexture; | ||
| __abi_ThrowIfFailed(d3dDevice->CreateTexture2D(&texDesc, nullptr, d3dTexture.GetAddressOf())); | ||
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| ComPtr<IDXGISurface> d3dSurface; | ||
| __abi_ThrowIfFailed(d3dTexture.As(&d3dSurface)); | ||
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| auto winRTSurface = CreateDirect3DSurface(d3dSurface.Get()); | ||
| auto output = CanvasBitmap::CreateFromDirect3D11Surface(drawingSession, winRTSurface); | ||
| return output; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| #pragma once | ||
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| using namespace Microsoft::Graphics::Canvas; | ||
| using namespace Microsoft::WRL; | ||
| using namespace Platform; | ||
| using namespace Windows::Graphics::DirectX::Direct3D11; | ||
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| namespace Retrix | ||
| { | ||
| namespace UWP | ||
| { | ||
| namespace Native | ||
| { | ||
| public ref class BitmapMap sealed | ||
| { | ||
| #ifdef _WIN64 | ||
| typedef int64 UnsafeIntPtr; | ||
| #else | ||
| typedef int32 UnsafeIntPtr; | ||
| #endif | ||
| private: | ||
| ComPtr<ID2D1Bitmap1> d2dBitmap; | ||
| D2D1_MAPPED_RECT map; | ||
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| public: | ||
| property uint32 PitchBytes { uint32 get() { return map.pitch; } } | ||
| property UnsafeIntPtr Data { UnsafeIntPtr get() { return (UnsafeIntPtr)map.bits; } } | ||
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| BitmapMap(CanvasDevice^ device, CanvasBitmap^ bitmap); | ||
| virtual ~BitmapMap(); | ||
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| static CanvasBitmap^ CreateMappableBitmap(CanvasDrawingSession^ drawingSession, unsigned int width, unsigned int height); | ||
| }; | ||
| } | ||
| } | ||
| } |
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