Magic_Game/src/kiwano/render/DirectX/RendererImpl.cpp

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// Copyright (c) 2016-2018 Kiwano - Nomango
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include <kiwano/core/Exception.h>
#include <kiwano/core/Logger.h>
#include <kiwano/core/event/WindowEvent.h>
#include <kiwano/platform/FileSystem.h>
#include <kiwano/platform/win32/WindowImpl.h>
#include <kiwano/render/ShapeSink.h>
#include <kiwano/render/DirectX/TextureRenderContextImpl.h>
#include <kiwano/render/DirectX/RendererImpl.h>
namespace kiwano
{
Renderer& Renderer::GetInstance()
{
return RendererImpl::GetInstance();
}
RendererImpl& RendererImpl::GetInstance()
{
static RendererImpl instance;
return instance;
}
RendererImpl::RendererImpl()
{
render_ctx_ = new RenderContextImpl;
}
void RendererImpl::SetupComponent()
{
KGE_SYS_LOG("Creating device resources");
win32::ThrowIfFailed(::CoInitialize(nullptr), "CoInitialize failed");
HWND target_window = WindowImpl::GetInstance().GetHandle();
output_size_ = Window::GetInstance().GetSize();
d2d_res_ = nullptr;
d3d_res_ = nullptr;
HRESULT hr = target_window ? S_OK : E_FAIL;
// Direct3D device resources
if (SUCCEEDED(hr))
{
hr = ID3DDeviceResources::Create(&d3d_res_, target_window);
// Direct2D device resources
if (SUCCEEDED(hr))
{
hr = ID2DDeviceResources::Create(&d2d_res_, d3d_res_->GetDXGIDevice(), d3d_res_->GetDXGISwapChain());
// Other device resources
if (SUCCEEDED(hr))
{
hr = render_ctx_->CreateDeviceResources(d2d_res_->GetFactory(), d2d_res_->GetDeviceContext());
}
// FontFileLoader and FontCollectionLoader
if (SUCCEEDED(hr))
{
hr = IFontCollectionLoader::Create(&font_collection_loader_);
if (SUCCEEDED(hr))
{
hr = d2d_res_->GetDWriteFactory()->RegisterFontCollectionLoader(font_collection_loader_.get());
}
}
// ResourceFontFileLoader and ResourceFontCollectionLoader
if (SUCCEEDED(hr))
{
hr = IResourceFontFileLoader::Create(&res_font_file_loader_);
if (SUCCEEDED(hr))
{
hr = d2d_res_->GetDWriteFactory()->RegisterFontFileLoader(res_font_file_loader_.get());
}
if (SUCCEEDED(hr))
{
hr = IResourceFontCollectionLoader::Create(&res_font_collection_loader_,
res_font_file_loader_.get());
if (SUCCEEDED(hr))
{
hr = d2d_res_->GetDWriteFactory()->RegisterFontCollectionLoader(
res_font_collection_loader_.get());
}
}
}
}
}
win32::ThrowIfFailed(hr, "Create render resources failed");
}
void RendererImpl::DestroyComponent()
{
KGE_SYS_LOG("Destroying device resources");
d2d_res_->GetDWriteFactory()->UnregisterFontFileLoader(res_font_file_loader_.get());
res_font_file_loader_.reset();
d2d_res_->GetDWriteFactory()->UnregisterFontCollectionLoader(res_font_collection_loader_.get());
res_font_collection_loader_.reset();
render_ctx_.reset();
d2d_res_.reset();
d3d_res_.reset();
::CoUninitialize();
}
void RendererImpl::BeginDraw()
{
KGE_ASSERT(render_ctx_);
render_ctx_->BeginDraw();
}
void RendererImpl::EndDraw()
{
KGE_ASSERT(render_ctx_);
render_ctx_->EndDraw();
}
void RendererImpl::Clear()
{
KGE_ASSERT(d3d_res_);
d3d_res_->ClearRenderTarget(clear_color_);
}
void RendererImpl::Present()
{
KGE_ASSERT(d3d_res_);
HRESULT hr = d3d_res_->Present(vsync_);
if (hr == DXGI_ERROR_DEVICE_REMOVED || hr == DXGI_ERROR_DEVICE_RESET)
{
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hr = HandleDeviceLost();
}
win32::ThrowIfFailed(hr, "Unexpected DXGI exception");
}
void RendererImpl::HandleEvent(Event* evt)
{
if (evt->IsType<WindowResizedEvent>())
{
auto window_evt = dynamic_cast<WindowResizedEvent*>(evt);
Resize(window_evt->width, window_evt->height);
}
}
HRESULT RendererImpl::HandleDeviceLost()
{
KGE_ASSERT(d3d_res_ && d2d_res_ && render_ctx_);
HRESULT hr = d3d_res_->HandleDeviceLost();
if (SUCCEEDED(hr))
{
hr = d2d_res_->HandleDeviceLost(d3d_res_->GetDXGIDevice(), d3d_res_->GetDXGISwapChain());
}
if (SUCCEEDED(hr))
{
hr = render_ctx_->CreateDeviceResources(d2d_res_->GetFactory(), d2d_res_->GetDeviceContext());
}
return hr;
}
void RendererImpl::CreateTexture(Texture& texture, String const& file_path)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (!FileSystem::GetInstance().IsFileExists(file_path))
{
KGE_WARN("Texture file '%s' not found!", file_path.c_str());
hr = E_FAIL;
}
if (SUCCEEDED(hr))
{
WideString full_path = MultiByteToWide(FileSystem::GetInstance().GetFullPathForFile(file_path));
ComPtr<IWICBitmapDecoder> decoder;
hr = d2d_res_->CreateBitmapDecoderFromFile(decoder, full_path.c_str());
if (SUCCEEDED(hr))
{
ComPtr<IWICBitmapFrameDecode> source;
hr = decoder->GetFrame(0, &source);
if (SUCCEEDED(hr))
{
ComPtr<IWICFormatConverter> converter;
hr = d2d_res_->CreateBitmapConverter(converter, source, GUID_WICPixelFormat32bppPBGRA,
WICBitmapDitherTypeNone, nullptr, 0.f,
WICBitmapPaletteTypeMedianCut);
if (SUCCEEDED(hr))
{
ComPtr<ID2D1Bitmap> bitmap;
hr = d2d_res_->CreateBitmapFromConverter(bitmap, nullptr, converter);
if (SUCCEEDED(hr))
{
texture.SetBitmap(bitmap);
}
}
}
}
}
if (FAILED(hr))
{
win32::ThrowIfFailed(hr, "Load texture failed");
}
}
void RendererImpl::CreateTexture(Texture& texture, Resource const& resource)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (SUCCEEDED(hr))
{
Resource::Data data = resource.GetData();
hr = data ? S_OK : E_FAIL;
if (SUCCEEDED(hr))
{
ComPtr<IWICBitmapDecoder> decoder;
hr = d2d_res_->CreateBitmapDecoderFromResource(decoder, data.buffer, (DWORD)data.size);
if (SUCCEEDED(hr))
{
ComPtr<IWICBitmapFrameDecode> source;
hr = decoder->GetFrame(0, &source);
if (SUCCEEDED(hr))
{
ComPtr<IWICFormatConverter> converter;
hr = d2d_res_->CreateBitmapConverter(converter, source, GUID_WICPixelFormat32bppPBGRA,
WICBitmapDitherTypeNone, nullptr, 0.f,
WICBitmapPaletteTypeMedianCut);
if (SUCCEEDED(hr))
{
ComPtr<ID2D1Bitmap> bitmap;
hr = d2d_res_->CreateBitmapFromConverter(bitmap, nullptr, converter);
if (SUCCEEDED(hr))
{
texture.SetBitmap(bitmap);
}
}
}
}
}
}
if (FAILED(hr))
{
KGE_WARN("Load texture failed with HRESULT of %08X!", hr);
}
}
void RendererImpl::CreateGifImage(GifImage& gif, String const& file_path)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (!FileSystem::GetInstance().IsFileExists(file_path))
{
KGE_WARN("Gif texture file '%s' not found!", file_path.c_str());
hr = E_FAIL;
}
if (SUCCEEDED(hr))
{
WideString full_path = MultiByteToWide(FileSystem::GetInstance().GetFullPathForFile(file_path));
ComPtr<IWICBitmapDecoder> decoder;
hr = d2d_res_->CreateBitmapDecoderFromFile(decoder, full_path.c_str());
if (SUCCEEDED(hr))
{
gif.SetDecoder(decoder);
}
}
if (FAILED(hr))
{
KGE_WARN("Load GIF texture failed with HRESULT of %08X!", hr);
}
}
void RendererImpl::CreateGifImage(GifImage& gif, Resource const& resource)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (SUCCEEDED(hr))
{
Resource::Data data = resource.GetData();
hr = data ? S_OK : E_FAIL;
if (SUCCEEDED(hr))
{
ComPtr<IWICBitmapDecoder> decoder;
hr = d2d_res_->CreateBitmapDecoderFromResource(decoder, data.buffer, (DWORD)data.size);
if (SUCCEEDED(hr))
{
gif.SetDecoder(decoder);
}
}
}
if (FAILED(hr))
{
KGE_WARN("Load GIF texture failed with HRESULT of %08X!", hr);
}
}
void RendererImpl::CreateGifImageFrame(GifImage::Frame& frame, GifImage const& gif, size_t frame_index)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (gif.GetDecoder() == nullptr)
{
hr = E_INVALIDARG;
}
if (SUCCEEDED(hr))
{
ComPtr<IWICBitmapFrameDecode> wic_frame;
HRESULT hr = gif.GetDecoder()->GetFrame(UINT(frame_index), &wic_frame);
if (SUCCEEDED(hr))
{
ComPtr<IWICFormatConverter> converter;
d2d_res_->CreateBitmapConverter(converter, wic_frame, GUID_WICPixelFormat32bppPBGRA,
WICBitmapDitherTypeNone, nullptr, 0.f, WICBitmapPaletteTypeCustom);
if (SUCCEEDED(hr))
{
ComPtr<ID2D1Bitmap> raw_bitmap;
hr = d2d_res_->CreateBitmapFromConverter(raw_bitmap, nullptr, converter);
if (SUCCEEDED(hr))
{
frame.texture = new Texture;
frame.texture->SetBitmap(raw_bitmap);
}
}
}
if (SUCCEEDED(hr))
{
PROPVARIANT prop_val;
PropVariantInit(&prop_val);
// Get Metadata Query Reader from the frame
ComPtr<IWICMetadataQueryReader> metadata_reader;
hr = wic_frame->GetMetadataQueryReader(&metadata_reader);
// Get the Metadata for the current frame
if (SUCCEEDED(hr))
{
hr = metadata_reader->GetMetadataByName(L"/imgdesc/Left", &prop_val);
if (SUCCEEDED(hr))
{
hr = (prop_val.vt == VT_UI2 ? S_OK : E_FAIL);
if (SUCCEEDED(hr))
{
frame.rect.left_top.x = static_cast<float>(prop_val.uiVal);
}
PropVariantClear(&prop_val);
}
}
if (SUCCEEDED(hr))
{
hr = metadata_reader->GetMetadataByName(L"/imgdesc/Top", &prop_val);
if (SUCCEEDED(hr))
{
hr = (prop_val.vt == VT_UI2 ? S_OK : E_FAIL);
if (SUCCEEDED(hr))
{
frame.rect.left_top.y = static_cast<float>(prop_val.uiVal);
}
PropVariantClear(&prop_val);
}
}
if (SUCCEEDED(hr))
{
hr = metadata_reader->GetMetadataByName(L"/imgdesc/Width", &prop_val);
if (SUCCEEDED(hr))
{
hr = (prop_val.vt == VT_UI2 ? S_OK : E_FAIL);
if (SUCCEEDED(hr))
{
frame.rect.right_bottom.x = frame.rect.left_top.x + static_cast<float>(prop_val.uiVal);
}
PropVariantClear(&prop_val);
}
}
if (SUCCEEDED(hr))
{
hr = metadata_reader->GetMetadataByName(L"/imgdesc/Height", &prop_val);
if (SUCCEEDED(hr))
{
hr = (prop_val.vt == VT_UI2 ? S_OK : E_FAIL);
if (SUCCEEDED(hr))
{
frame.rect.right_bottom.y = frame.rect.left_top.y + static_cast<float>(prop_val.uiVal);
}
PropVariantClear(&prop_val);
}
}
if (SUCCEEDED(hr))
{
hr = metadata_reader->GetMetadataByName(L"/grctlext/Delay", &prop_val);
if (SUCCEEDED(hr))
{
hr = (prop_val.vt == VT_UI2 ? S_OK : E_FAIL);
if (SUCCEEDED(hr))
{
uint32_t udelay = 0;
hr = UIntMult(prop_val.uiVal, 10, &udelay);
if (SUCCEEDED(hr))
{
frame.delay.SetMilliseconds(static_cast<long>(udelay));
}
}
PropVariantClear(&prop_val);
}
else
{
frame.delay = 0;
}
}
if (SUCCEEDED(hr))
{
hr = metadata_reader->GetMetadataByName(L"/grctlext/Disposal", &prop_val);
if (SUCCEEDED(hr))
{
hr = (prop_val.vt == VT_UI1) ? S_OK : E_FAIL;
if (SUCCEEDED(hr))
{
frame.disposal_type = GifImage::DisposalType(prop_val.bVal);
}
::PropVariantClear(&prop_val);
}
else
{
frame.disposal_type = GifImage::DisposalType::Unknown;
}
}
::PropVariantClear(&prop_val);
}
}
if (FAILED(hr))
{
KGE_WARN("Load GIF frame failed with HRESULT of %08X!", hr);
}
}
void RendererImpl::CreateFontCollection(Font& font, String const& file_path)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (SUCCEEDED(hr))
{
if (!FileSystem::GetInstance().IsFileExists(file_path))
{
KGE_WARN("Font file '%s' not found!", file_path.c_str());
hr = E_FAIL;
}
}
if (SUCCEEDED(hr))
{
LPVOID key = nullptr;
uint32_t key_size = 0;
String full_path = FileSystem::GetInstance().GetFullPathForFile(file_path);
hr = font_collection_loader_->AddFilePaths({ full_path }, &key, &key_size);
if (SUCCEEDED(hr))
{
ComPtr<IDWriteFontCollection> font_collection;
hr = d2d_res_->GetDWriteFactory()->CreateCustomFontCollection(font_collection_loader_.get(), key, key_size,
&font_collection);
if (SUCCEEDED(hr))
{
font.SetCollection(font_collection);
}
}
}
win32::ThrowIfFailed(hr, "Create font collection failed");
}
void RendererImpl::CreateFontCollection(Font& font, Resource const& res)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (SUCCEEDED(hr))
{
LPVOID key = nullptr;
uint32_t key_size = 0;
hr = res_font_collection_loader_->AddResources(Vector<Resource>{ res }, &key, &key_size);
if (SUCCEEDED(hr))
{
ComPtr<IDWriteFontCollection> font_collection;
hr = d2d_res_->GetDWriteFactory()->CreateCustomFontCollection(res_font_collection_loader_.get(), key,
key_size, &font_collection);
if (SUCCEEDED(hr))
{
font.SetCollection(font_collection);
}
}
}
win32::ThrowIfFailed(hr, "Create font collection failed");
}
void RendererImpl::CreateTextFormat(TextLayout& layout)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
ComPtr<IDWriteTextFormat> output;
if (SUCCEEDED(hr))
{
const TextStyle& style = layout.GetStyle();
hr = d2d_res_->CreateTextFormat(
output, MultiByteToWide(style.font_family).c_str(), style.font ? style.font->GetCollection() : nullptr,
DWRITE_FONT_WEIGHT(style.font_weight), style.italic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL,
DWRITE_FONT_STRETCH_NORMAL, style.font_size);
}
if (SUCCEEDED(hr))
{
layout.SetTextFormat(output);
}
win32::ThrowIfFailed(hr, "Create text format failed");
}
void RendererImpl::CreateTextLayout(TextLayout& layout)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
ComPtr<IDWriteTextLayout> output;
if (SUCCEEDED(hr))
{
WideString text = MultiByteToWide(layout.GetText());
hr = d2d_res_->CreateTextLayout(output, text.c_str(), text.length(), layout.GetTextFormat());
}
if (SUCCEEDED(hr))
{
layout.SetTextLayout(output);
}
win32::ThrowIfFailed(hr, "Create text layout failed");
}
void RendererImpl::CreateLineShape(Shape& shape, Point const& begin_pos, Point const& end_pos)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
ComPtr<ID2D1PathGeometry> path_geo;
ComPtr<ID2D1GeometrySink> path_sink;
if (SUCCEEDED(hr))
{
hr = d2d_res_->GetFactory()->CreatePathGeometry(&path_geo);
}
if (SUCCEEDED(hr))
{
hr = path_geo->Open(&path_sink);
}
if (SUCCEEDED(hr))
{
path_sink->BeginFigure(DX::ConvertToPoint2F(begin_pos), D2D1_FIGURE_BEGIN_FILLED);
path_sink->AddLine(DX::ConvertToPoint2F(end_pos));
path_sink->EndFigure(D2D1_FIGURE_END_OPEN);
hr = path_sink->Close();
}
if (SUCCEEDED(hr))
{
shape.SetGeometry(path_geo);
}
win32::ThrowIfFailed(hr, "Create ID2D1PathGeometry failed");
}
void RendererImpl::CreateRectShape(Shape& shape, Rect const& rect)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
ComPtr<ID2D1RectangleGeometry> output;
if (SUCCEEDED(hr))
{
hr = d2d_res_->GetFactory()->CreateRectangleGeometry(DX::ConvertToRectF(rect), &output);
}
if (SUCCEEDED(hr))
{
shape.SetGeometry(output);
}
win32::ThrowIfFailed(hr, "Create ID2D1RectangleGeometry failed");
}
void RendererImpl::CreateRoundedRectShape(Shape& shape, Rect const& rect, Vec2 const& radius)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
ComPtr<ID2D1RoundedRectangleGeometry> output;
if (SUCCEEDED(hr))
{
hr = d2d_res_->GetFactory()->CreateRoundedRectangleGeometry(
D2D1::RoundedRect(DX::ConvertToRectF(rect), radius.x, radius.y), &output);
}
if (SUCCEEDED(hr))
{
shape.SetGeometry(output);
}
win32::ThrowIfFailed(hr, "Create ID2D1RoundedRectangleGeometry failed");
}
void RendererImpl::CreateEllipseShape(Shape& shape, Point const& center, Vec2 const& radius)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
ComPtr<ID2D1EllipseGeometry> output;
if (SUCCEEDED(hr))
{
hr = d2d_res_->GetFactory()->CreateEllipseGeometry(
D2D1::Ellipse(DX::ConvertToPoint2F(center), radius.x, radius.y), &output);
}
if (SUCCEEDED(hr))
{
shape.SetGeometry(output);
}
win32::ThrowIfFailed(hr, "Create ID2D1EllipseGeometry failed");
}
void RendererImpl::CreateShapeSink(ShapeSink& sink)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
ComPtr<ID2D1PathGeometry> output;
if (SUCCEEDED(hr))
{
hr = d2d_res_->GetFactory()->CreatePathGeometry(&output);
}
if (SUCCEEDED(hr))
{
sink.SetPathGeometry(output);
}
win32::ThrowIfFailed(hr, "Create ID2D1PathGeometry failed");
}
void RendererImpl::CreateBrush(Brush& brush, Color const& color)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (SUCCEEDED(hr))
{
ComPtr<ID2D1SolidColorBrush> solid_brush;
if (brush.GetType() == Brush::Type::SolidColor && brush.GetBrush())
{
hr = brush.GetBrush()->QueryInterface(&solid_brush);
if (SUCCEEDED(hr))
{
solid_brush->SetColor(DX::ConvertToColorF(color));
}
}
else
{
hr = d2d_res_->GetDeviceContext()->CreateSolidColorBrush(DX::ConvertToColorF(color), &solid_brush);
if (SUCCEEDED(hr))
{
brush.SetBrush(solid_brush, Brush::Type::SolidColor);
}
}
}
win32::ThrowIfFailed(hr, "Create ID2D1SolidBrush failed");
}
void RendererImpl::CreateBrush(Brush& brush, LinearGradientStyle const& style)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (SUCCEEDED(hr))
{
ComPtr<ID2D1GradientStopCollection> collection;
hr = d2d_res_->GetDeviceContext()->CreateGradientStopCollection(
reinterpret_cast<const D2D1_GRADIENT_STOP*>(&style.stops[0]), UINT32(style.stops.size()), D2D1_GAMMA_2_2,
D2D1_EXTEND_MODE(style.extend_mode), &collection);
if (SUCCEEDED(hr))
{
ComPtr<ID2D1LinearGradientBrush> output;
hr = d2d_res_->GetDeviceContext()->CreateLinearGradientBrush(
D2D1::LinearGradientBrushProperties(DX::ConvertToPoint2F(style.begin), DX::ConvertToPoint2F(style.end)),
collection.get(), &output);
if (SUCCEEDED(hr))
{
brush.SetBrush(output, Brush::Type::LinearGradient);
}
}
}
win32::ThrowIfFailed(hr, "Create ID2D1LinearGradientBrush failed");
}
void RendererImpl::CreateBrush(Brush& brush, RadialGradientStyle const& style)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (SUCCEEDED(hr))
{
ComPtr<ID2D1GradientStopCollection> collection;
hr = d2d_res_->GetDeviceContext()->CreateGradientStopCollection(
reinterpret_cast<const D2D1_GRADIENT_STOP*>(&style.stops[0]), UINT32(style.stops.size()), D2D1_GAMMA_2_2,
D2D1_EXTEND_MODE(style.extend_mode), &collection);
if (SUCCEEDED(hr))
{
ComPtr<ID2D1RadialGradientBrush> output;
hr = d2d_res_->GetDeviceContext()->CreateRadialGradientBrush(
D2D1::RadialGradientBrushProperties(DX::ConvertToPoint2F(style.center),
DX::ConvertToPoint2F(style.offset), style.radius.x, style.radius.y),
collection.get(), &output);
if (SUCCEEDED(hr))
{
brush.SetBrush(output, Brush::Type::RadialGradient);
}
}
}
win32::ThrowIfFailed(hr, "Create ID2D1RadialGradientBrush failed");
}
void RendererImpl::CreateStrokeStyle(StrokeStyle& stroke_style, CapStyle cap, LineJoinStyle line_join,
const float* dash_array, size_t dash_size, float dash_offset)
{
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (SUCCEEDED(hr))
{
D2D1_STROKE_STYLE_PROPERTIES style =
D2D1::StrokeStyleProperties(D2D1_CAP_STYLE(cap), D2D1_CAP_STYLE(cap), D2D1_CAP_STYLE(cap),
D2D1_LINE_JOIN(line_join), 10.0f, D2D1_DASH_STYLE_CUSTOM, dash_offset);
ComPtr<ID2D1StrokeStyle> output;
hr = d2d_res_->GetFactory()->CreateStrokeStyle(style, dash_array, dash_size, &output);
if (SUCCEEDED(hr))
{
stroke_style.SetStrokeStyle(output);
}
}
win32::ThrowIfFailed(hr, "Create ID2D1StrokeStyle failed");
}
TextureRenderContextPtr RendererImpl::CreateTextureRenderContext(const Size* desired_size)
{
TextureRenderContextImplPtr ptr = new TextureRenderContextImpl;
HRESULT hr = S_OK;
if (!d2d_res_)
{
hr = E_UNEXPECTED;
}
if (SUCCEEDED(hr))
{
ComPtr<ID2D1BitmapRenderTarget> bitmap_rt;
if (desired_size)
{
hr = d2d_res_->GetDeviceContext()->CreateCompatibleRenderTarget(DX::ConvertToSizeF(*desired_size),
&bitmap_rt);
}
else
{
hr = d2d_res_->GetDeviceContext()->CreateCompatibleRenderTarget(&bitmap_rt);
}
if (SUCCEEDED(hr))
{
hr = ptr->CreateDeviceResources(d2d_res_->GetFactory(), bitmap_rt);
}
if (SUCCEEDED(hr))
{
ptr->bitmap_rt_ = bitmap_rt;
}
}
if (SUCCEEDED(hr))
return ptr;
return nullptr;
}
void RendererImpl::Resize(uint32_t width, uint32_t height)
{
HRESULT hr = S_OK;
if (!d3d_res_)
hr = E_UNEXPECTED;
if (SUCCEEDED(hr))
{
output_size_.x = static_cast<float>(width);
output_size_.y = static_cast<float>(height);
hr = d3d_res_->SetLogicalSize(output_size_);
}
if (SUCCEEDED(hr))
{
hr = d2d_res_->SetLogicalSize(output_size_.x, output_size_.y);
}
if (SUCCEEDED(hr))
{
render_ctx_->Resize(output_size_);
}
win32::ThrowIfFailed(hr, "Resize render target failed");
}
} // namespace kiwano