516 lines
11 KiB
C++
516 lines
11 KiB
C++
// Copyright (c) 2016-2018 Easy2D - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "D2DDeviceResources.h"
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#include "../2d/Image.h"
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#include "../base/logs.h"
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#include "../platform/modules.h"
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#pragma comment(lib, "d2d1.lib")
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#pragma comment(lib, "dwrite.lib")
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namespace easy2d
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{
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D2DDeviceResources::D2DDeviceResources()
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: ref_count_(0)
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, dpi_(96.f)
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{
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CreateDeviceIndependentResources();
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}
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D2DDeviceResources::~D2DDeviceResources()
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{
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DiscardResources();
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}
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STDMETHODIMP_(unsigned long) D2DDeviceResources::AddRef()
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{
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return InterlockedIncrement(&ref_count_);
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}
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STDMETHODIMP_(unsigned long) D2DDeviceResources::Release()
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{
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unsigned long newCount = InterlockedDecrement(&ref_count_);
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if (newCount == 0)
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{
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delete this;
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return 0;
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}
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return newCount;
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}
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STDMETHODIMP D2DDeviceResources::QueryInterface(
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IID const& riid,
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void** object)
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{
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if (__uuidof(IUnknown) == riid)
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{
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*object = this;
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}
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else
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{
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*object = nullptr;
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return E_FAIL;
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}
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AddRef();
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return S_OK;
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}
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void D2DDeviceResources::DiscardResources()
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{
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ClearImageCache();
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d2d_factory_.Reset();
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d2d_device_.Reset();
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d2d_device_context_.Reset();
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d2d_target_bitmap_.Reset();
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imaging_factory_.Reset();
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dwrite_factory_.Reset();
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d2d_miter_stroke_style_.Reset();
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d2d_bevel_stroke_style_.Reset();
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d2d_round_stroke_style_.Reset();
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}
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HRESULT D2DDeviceResources::CreateDeviceIndependentResources()
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{
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HRESULT hr = S_OK;
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ComPtr<ID2D1Factory1> d2d_factory;
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ComPtr<IWICImagingFactory> imaging_factory;
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ComPtr<IDWriteFactory> dwrite_factory;
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D2D1_FACTORY_OPTIONS options;
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ZeroMemory(&options, sizeof(D2D1_FACTORY_OPTIONS));
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#ifdef E2D_DEBUG
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options.debugLevel = D2D1_DEBUG_LEVEL_INFORMATION;
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#endif
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hr = D2D1CreateFactory(
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D2D1_FACTORY_TYPE_SINGLE_THREADED,
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__uuidof(ID2D1Factory1),
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&options,
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reinterpret_cast<void**>(&d2d_factory)
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);
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if (SUCCEEDED(hr))
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{
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d2d_factory_ = d2d_factory;
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hr = CoCreateInstance(
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CLSID_WICImagingFactory,
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nullptr,
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CLSCTX_INPROC_SERVER,
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__uuidof(IWICImagingFactory),
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reinterpret_cast<void**>(&imaging_factory)
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);
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}
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if (SUCCEEDED(hr))
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{
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imaging_factory_ = imaging_factory;
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hr = DWriteCreateFactory(
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DWRITE_FACTORY_TYPE_SHARED,
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__uuidof(IDWriteFactory),
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reinterpret_cast<IUnknown**>(&dwrite_factory)
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);
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}
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if (SUCCEEDED(hr))
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{
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dwrite_factory_ = dwrite_factory;
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ComPtr<ID2D1StrokeStyle> d2d_miter_stroke_style;
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ComPtr<ID2D1StrokeStyle> d2d_bevel_stroke_style;
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ComPtr<ID2D1StrokeStyle> d2d_round_stroke_style;
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D2D1_STROKE_STYLE_PROPERTIES stroke_style = D2D1::StrokeStyleProperties(
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D2D1_CAP_STYLE_FLAT,
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D2D1_CAP_STYLE_FLAT,
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D2D1_CAP_STYLE_FLAT,
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D2D1_LINE_JOIN_MITER,
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2.0f,
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D2D1_DASH_STYLE_SOLID,
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0.0f
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);
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hr = d2d_factory_->CreateStrokeStyle(
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stroke_style,
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nullptr,
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0,
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&d2d_miter_stroke_style
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);
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if (SUCCEEDED(hr))
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{
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stroke_style.lineJoin = D2D1_LINE_JOIN_BEVEL;
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hr = d2d_factory_->CreateStrokeStyle(
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stroke_style,
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nullptr,
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0,
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&d2d_bevel_stroke_style
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);
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}
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if (SUCCEEDED(hr))
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{
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stroke_style.lineJoin = D2D1_LINE_JOIN_ROUND;
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hr = d2d_factory_->CreateStrokeStyle(
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stroke_style,
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nullptr,
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0,
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&d2d_round_stroke_style
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);
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}
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if (SUCCEEDED(hr))
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{
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d2d_miter_stroke_style_ = d2d_miter_stroke_style;
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d2d_bevel_stroke_style_ = d2d_bevel_stroke_style;
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d2d_round_stroke_style_ = d2d_round_stroke_style;
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}
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}
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return hr;
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}
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HRESULT D2DDeviceResources::SetD2DDevice(ComPtr<ID2D1Device> const& device)
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{
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ComPtr<ID2D1DeviceContext> d2d_device_ctx;
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HRESULT hr = device->CreateDeviceContext(
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D2D1_DEVICE_CONTEXT_OPTIONS_NONE,
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&d2d_device_ctx
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);
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if (SUCCEEDED(hr))
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{
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d2d_device_ = device;
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d2d_device_context_ = d2d_device_ctx;
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d2d_device_context_->SetDpi(dpi_, dpi_);
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}
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return hr;
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}
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void D2DDeviceResources::SetTargetBitmap(ComPtr<ID2D1Bitmap1> const& target)
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{
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d2d_target_bitmap_ = target;
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if (d2d_device_context_)
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d2d_device_context_->SetTarget(d2d_target_bitmap_.Get());
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}
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HRESULT D2DDeviceResources::CreateBitmapFromFile(ComPtr<ID2D1Bitmap> & bitmap, String const & file_path)
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{
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if (!imaging_factory_ || !d2d_device_context_)
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return E_UNEXPECTED;
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size_t hash_code = std::hash<String>{}(file_path);
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if (bitmap_cache_.find(hash_code) != bitmap_cache_.end())
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{
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bitmap = bitmap_cache_[hash_code];
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return S_OK;
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}
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ComPtr<IWICBitmapDecoder> decoder;
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ComPtr<IWICBitmapFrameDecode> source;
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ComPtr<IWICStream> stream;
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ComPtr<IWICFormatConverter> converter;
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ComPtr<ID2D1Bitmap> bitmap_tmp;
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HRESULT hr = imaging_factory_->CreateDecoderFromFilename(
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file_path.c_str(),
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nullptr,
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GENERIC_READ,
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WICDecodeMetadataCacheOnLoad,
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&decoder
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);
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if (SUCCEEDED(hr))
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{
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hr = decoder->GetFrame(0, &source);
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}
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if (SUCCEEDED(hr))
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{
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hr = imaging_factory_->CreateFormatConverter(&converter);
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}
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if (SUCCEEDED(hr))
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{
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// ͼƬ<CDBC><C6AC>ʽת<CABD><D7AA><EFBFBD><EFBFBD> 32bppPBGRA
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hr = converter->Initialize(
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source.Get(),
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GUID_WICPixelFormat32bppPBGRA,
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WICBitmapDitherTypeNone,
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nullptr,
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0.f,
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WICBitmapPaletteTypeMedianCut
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);
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}
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if (SUCCEEDED(hr))
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{
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hr = d2d_device_context_->CreateBitmapFromWicBitmap(
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converter.Get(),
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nullptr,
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&bitmap_tmp
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);
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}
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if (SUCCEEDED(hr))
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{
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bitmap = bitmap_tmp;
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bitmap_cache_.insert(std::make_pair(hash_code, bitmap));
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}
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return hr;
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}
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HRESULT D2DDeviceResources::CreateBitmapFromResource(ComPtr<ID2D1Bitmap> & bitmap, Resource const & res)
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{
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if (!imaging_factory_ || !d2d_device_context_)
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return E_UNEXPECTED;
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size_t hash_code = res.GetHashCode();
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if (bitmap_cache_.find(hash_code) != bitmap_cache_.end())
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{
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bitmap = bitmap_cache_[hash_code];
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return S_OK;
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}
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ComPtr<IWICBitmapDecoder> decoder;
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ComPtr<IWICBitmapFrameDecode> source;
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ComPtr<IWICStream> stream;
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ComPtr<IWICFormatConverter> converter;
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ComPtr<ID2D1Bitmap> bitmap_tmp;
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
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LPVOID buffer;
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DWORD buffer_size;
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HRESULT hr = res.Load(buffer, buffer_size) ? S_OK : E_FAIL;
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if (SUCCEEDED(hr))
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{
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hr = imaging_factory_->CreateStream(&stream);
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}
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if (SUCCEEDED(hr))
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{
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hr = stream->InitializeFromMemory(
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static_cast<WICInProcPointer>(buffer),
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buffer_size
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);
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}
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if (SUCCEEDED(hr))
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{
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hr = imaging_factory_->CreateDecoderFromStream(
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stream.Get(),
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nullptr,
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WICDecodeMetadataCacheOnLoad,
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&decoder
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);
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}
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if (SUCCEEDED(hr))
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{
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hr = decoder->GetFrame(0, &source);
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}
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if (SUCCEEDED(hr))
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{
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hr = imaging_factory_->CreateFormatConverter(&converter);
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}
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if (SUCCEEDED(hr))
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{
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// ͼƬ<CDBC><C6AC>ʽת<CABD><D7AA><EFBFBD><EFBFBD> 32bppPBGRA
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hr = converter->Initialize(
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source.Get(),
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GUID_WICPixelFormat32bppPBGRA,
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WICBitmapDitherTypeNone,
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nullptr,
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0.f,
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WICBitmapPaletteTypeMedianCut
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);
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}
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if (SUCCEEDED(hr))
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{
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hr = d2d_device_context_->CreateBitmapFromWicBitmap(
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converter.Get(),
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nullptr,
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&bitmap_tmp
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);
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}
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if (SUCCEEDED(hr))
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{
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bitmap = bitmap_tmp;
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bitmap_cache_.insert(std::make_pair(hash_code, bitmap));
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}
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return hr;
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}
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HRESULT D2DDeviceResources::CreateTextFormat(ComPtr<IDWriteTextFormat> & text_format, Font const & font, TextStyle const & text_style) const
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{
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if (!dwrite_factory_)
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return E_UNEXPECTED;
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ComPtr<IDWriteTextFormat> text_format_tmp;
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HRESULT hr = dwrite_factory_->CreateTextFormat(
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font.family.c_str(),
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nullptr,
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DWRITE_FONT_WEIGHT(font.weight),
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font.italic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL,
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DWRITE_FONT_STRETCH_NORMAL,
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font.size,
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L"",
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&text_format_tmp
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);
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if (SUCCEEDED(hr))
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{
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if (text_style.line_spacing == 0.f)
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{
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text_format_tmp->SetLineSpacing(DWRITE_LINE_SPACING_METHOD_DEFAULT, 0, 0);
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}
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else
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{
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text_format_tmp->SetLineSpacing(
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DWRITE_LINE_SPACING_METHOD_UNIFORM,
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text_style.line_spacing,
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text_style.line_spacing * 0.8f
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);
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}
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text_format_tmp->SetTextAlignment(DWRITE_TEXT_ALIGNMENT(text_style.alignment));
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text_format_tmp->SetWordWrapping(text_style.wrap ? DWRITE_WORD_WRAPPING_WRAP : DWRITE_WORD_WRAPPING_NO_WRAP);
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text_format = text_format_tmp;
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}
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return hr;
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}
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HRESULT D2DDeviceResources::CreateTextLayout(ComPtr<IDWriteTextLayout> & text_layout, Size& layout_size, String const & text, ComPtr<IDWriteTextFormat> const& text_format, TextStyle const & text_style) const
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{
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if (!dwrite_factory_)
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return E_UNEXPECTED;
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text_layout = nullptr;
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HRESULT hr;
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ComPtr<IDWriteTextLayout> text_layout_tmp;
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UINT32 length = static_cast<UINT32>(text.length());
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if (text_style.wrap)
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{
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hr = dwrite_factory_->CreateTextLayout(
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text.c_str(),
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length,
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text_format.Get(),
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text_style.wrap_width,
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0,
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&text_layout_tmp
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);
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}
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else
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{
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hr = dwrite_factory_->CreateTextLayout(
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text.c_str(),
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length,
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text_format.Get(),
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0,
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0,
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&text_layout_tmp
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);
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DWRITE_TEXT_METRICS metrics;
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if (SUCCEEDED(hr))
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{
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hr = text_layout_tmp->GetMetrics(&metrics);
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}
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if (SUCCEEDED(hr))
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{
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text_layout_tmp = nullptr;
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hr = dwrite_factory_->CreateTextLayout(
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text.c_str(),
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length,
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text_format.Get(),
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metrics.width,
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0,
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&text_layout_tmp
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);
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}
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}
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if (SUCCEEDED(hr))
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{
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DWRITE_TEXT_METRICS metrics;
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text_layout_tmp->GetMetrics(&metrics);
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if (text_style.wrap)
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{
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layout_size = Size(metrics.layoutWidth, metrics.height);
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}
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else
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{
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layout_size = Size(metrics.width, metrics.height);
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}
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DWRITE_TEXT_RANGE range = { 0, length };
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if (text_style.underline)
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{
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text_layout_tmp->SetUnderline(true, range);
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}
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if (text_style.strikethrough)
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{
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text_layout_tmp->SetStrikethrough(true, range);
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}
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text_layout = text_layout_tmp;
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}
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return hr;
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}
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void D2DDeviceResources::ClearImageCache()
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{
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bitmap_cache_.clear();
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}
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ID2D1StrokeStyle* D2DDeviceResources::GetStrokeStyle(StrokeStyle stroke) const
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{
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switch (stroke)
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{
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case StrokeStyle::Miter: return d2d_miter_stroke_style_.Get(); break;
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case StrokeStyle::Bevel: return d2d_bevel_stroke_style_.Get(); break;
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case StrokeStyle::Round: return d2d_round_stroke_style_.Get(); break;
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}
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return nullptr;
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}
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} |