Magic_Game/core/modules/Graphics.cpp

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// Copyright (c) 2016-2018 Easy2D - 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 "..\e2dmodule.h"
#include "..\e2dobject.h"
namespace easy2d
{
//-------------------------------------------------------
// TextRenderer
//-------------------------------------------------------
class TextRenderer
: public IDWriteTextRenderer
{
public:
static HRESULT Create(
IDWriteTextRenderer** ppTextRenderer,
ID2D1Factory* pD2DFactory,
ID2D1HwndRenderTarget* pRT,
ID2D1SolidColorBrush* pBrush
);
STDMETHOD_(void, SetTextStyle)(
CONST D2D1_COLOR_F &fillColor,
BOOL outline,
CONST D2D1_COLOR_F &outline_color,
FLOAT outline_width,
D2D1_LINE_JOIN outlineJoin
);
STDMETHOD(DrawGlyphRun)(
__maybenull void* clientDrawingContext,
FLOAT baselineOriginX,
FLOAT baselineOriginY,
DWRITE_MEASURING_MODE measuringMode,
__in DWRITE_GLYPH_RUN const* glyphRun,
__in DWRITE_GLYPH_RUN_DESCRIPTION const* glyphRunDescription,
IUnknown* clientDrawingEffect
);
STDMETHOD(DrawUnderline)(
__maybenull void* clientDrawingContext,
FLOAT baselineOriginX,
FLOAT baselineOriginY,
__in DWRITE_UNDERLINE const* underline,
IUnknown* clientDrawingEffect
);
STDMETHOD(DrawStrikethrough)(
__maybenull void* clientDrawingContext,
FLOAT baselineOriginX,
FLOAT baselineOriginY,
__in DWRITE_STRIKETHROUGH const* strikethrough,
IUnknown* clientDrawingEffect
);
STDMETHOD(DrawInlineObject)(
__maybenull void* clientDrawingContext,
FLOAT originX,
FLOAT originY,
IDWriteInlineObject* inlineObject,
BOOL IsSideways,
BOOL IsRightToLeft,
IUnknown* clientDrawingEffect
);
STDMETHOD(IsPixelSnappingDisabled)(
__maybenull void* clientDrawingContext,
__out BOOL* isDisabled
);
STDMETHOD(GetCurrentTransform)(
__maybenull void* clientDrawingContext,
__out DWRITE_MATRIX* transform
);
STDMETHOD(GetPixelsPerDip)(
__maybenull void* clientDrawingContext,
__out FLOAT* pixelsPerDip
);
public:
unsigned long STDMETHODCALLTYPE AddRef();
unsigned long STDMETHODCALLTYPE Release();
HRESULT STDMETHODCALLTYPE QueryInterface(
IID const& riid,
void** ppvObject
);
private:
TextRenderer(
ID2D1Factory* pD2DFactory,
ID2D1HwndRenderTarget* pRT,
ID2D1SolidColorBrush* pBrush
);
~TextRenderer();
private:
unsigned long cRefCount_;
D2D1_COLOR_F sFillColor_;
D2D1_COLOR_F sOutlineColor_;
FLOAT fOutlineWidth;
BOOL bShowOutline_;
ID2D1Factory* pD2DFactory_;
ID2D1HwndRenderTarget* pRT_;
ID2D1SolidColorBrush* pBrush_;
ID2D1StrokeStyle* pCurrStrokeStyle_;
};
TextRenderer::TextRenderer(ID2D1Factory* pD2DFactory, ID2D1HwndRenderTarget* pRT, ID2D1SolidColorBrush* pBrush)
: cRefCount_(0)
, pD2DFactory_(pD2DFactory)
, pRT_(pRT)
, pBrush_(pBrush)
, sFillColor_()
, sOutlineColor_()
, fOutlineWidth(1)
, bShowOutline_(TRUE)
, pCurrStrokeStyle_(nullptr)
{
pD2DFactory->AddRef();
pRT->AddRef();
pBrush->AddRef();
}
TextRenderer::~TextRenderer()
{
SafeRelease(pD2DFactory_);
SafeRelease(pRT_);
SafeRelease(pBrush_);
}
HRESULT TextRenderer::Create(
IDWriteTextRenderer** ppTextRenderer,
ID2D1Factory* pD2DFactory,
ID2D1HwndRenderTarget* pRT,
ID2D1SolidColorBrush* pBrush
)
{
*ppTextRenderer = new (std::nothrow) TextRenderer(pD2DFactory, pRT, pBrush);
if (*ppTextRenderer)
{
(*ppTextRenderer)->AddRef();
return S_OK;
}
return E_FAIL;
}
STDMETHODIMP_(void) TextRenderer::SetTextStyle(
CONST D2D1_COLOR_F &fillColor,
BOOL outline,
CONST D2D1_COLOR_F &outline_color,
FLOAT outline_width,
D2D1_LINE_JOIN outlineJoin
)
{
sFillColor_ = fillColor;
bShowOutline_ = outline;
sOutlineColor_ = outline_color;
fOutlineWidth = 2 * outline_width;
switch (outlineJoin)
{
case D2D1_LINE_JOIN_MITER:
pCurrStrokeStyle_ = Device::GetGraphics()->GetMiterStrokeStyle();
break;
case D2D1_LINE_JOIN_BEVEL:
pCurrStrokeStyle_ = Device::GetGraphics()->GetBevelStrokeStyle();
break;
case D2D1_LINE_JOIN_ROUND:
pCurrStrokeStyle_ = Device::GetGraphics()->GetRoundStrokeStyle();
break;
default:
pCurrStrokeStyle_ = nullptr;
break;
}
}
STDMETHODIMP TextRenderer::DrawGlyphRun(
__maybenull void* clientDrawingContext,
FLOAT baselineOriginX,
FLOAT baselineOriginY,
DWRITE_MEASURING_MODE measuringMode,
__in DWRITE_GLYPH_RUN const* glyphRun,
__in DWRITE_GLYPH_RUN_DESCRIPTION const* glyphRunDescription,
IUnknown* clientDrawingEffect
)
{
HRESULT hr = S_OK;
ID2D1PathGeometry* pPathGeometry = nullptr;
hr = pD2DFactory_->CreatePathGeometry(
&pPathGeometry
);
ID2D1GeometrySink* pSink = nullptr;
if (SUCCEEDED(hr))
{
hr = pPathGeometry->Open(
&pSink
);
}
if (SUCCEEDED(hr))
{
hr = glyphRun->fontFace->GetGlyphRunOutline(
glyphRun->fontEmSize,
glyphRun->glyphIndices,
glyphRun->glyphAdvances,
glyphRun->glyphOffsets,
glyphRun->glyphCount,
glyphRun->isSideways,
glyphRun->bidiLevel % 2,
pSink
);
}
if (SUCCEEDED(hr))
{
hr = pSink->Close();
}
D2D1::Matrix3x2F const matrix = D2D1::Matrix3x2F(
1.0f, 0.0f,
0.0f, 1.0f,
baselineOriginX, baselineOriginY
);
ID2D1TransformedGeometry* pTransformedGeometry = nullptr;
if (SUCCEEDED(hr))
{
hr = pD2DFactory_->CreateTransformedGeometry(
pPathGeometry,
&matrix,
&pTransformedGeometry
);
}
if (SUCCEEDED(hr) && bShowOutline_)
{
pBrush_->SetColor(sOutlineColor_);
pRT_->DrawGeometry(
pTransformedGeometry,
pBrush_,
fOutlineWidth,
pCurrStrokeStyle_
);
}
if (SUCCEEDED(hr))
{
pBrush_->SetColor(sFillColor_);
pRT_->FillGeometry(
pTransformedGeometry,
pBrush_
);
}
SafeRelease(pPathGeometry);
SafeRelease(pSink);
SafeRelease(pTransformedGeometry);
return hr;
}
STDMETHODIMP TextRenderer::DrawUnderline(
__maybenull void* clientDrawingContext,
FLOAT baselineOriginX,
FLOAT baselineOriginY,
__in DWRITE_UNDERLINE const* underline,
IUnknown* clientDrawingEffect
)
{
HRESULT hr;
D2D1_RECT_F rect = D2D1::RectF(
0,
underline->offset,
underline->width,
underline->offset + underline->thickness
);
ID2D1RectangleGeometry* pRectangleGeometry = nullptr;
hr = pD2DFactory_->CreateRectangleGeometry(
&rect,
&pRectangleGeometry
);
D2D1::Matrix3x2F const matrix = D2D1::Matrix3x2F(
1.0f, 0.0f,
0.0f, 1.0f,
baselineOriginX, baselineOriginY
);
ID2D1TransformedGeometry* pTransformedGeometry = nullptr;
if (SUCCEEDED(hr))
{
hr = pD2DFactory_->CreateTransformedGeometry(
pRectangleGeometry,
&matrix,
&pTransformedGeometry
);
}
if (SUCCEEDED(hr) && bShowOutline_)
{
pBrush_->SetColor(sOutlineColor_);
pRT_->DrawGeometry(
pTransformedGeometry,
pBrush_,
fOutlineWidth,
pCurrStrokeStyle_
);
}
if (SUCCEEDED(hr))
{
pBrush_->SetColor(sFillColor_);
pRT_->FillGeometry(
pTransformedGeometry,
pBrush_
);
}
SafeRelease(pRectangleGeometry);
SafeRelease(pTransformedGeometry);
return S_OK;
}
STDMETHODIMP TextRenderer::DrawStrikethrough(
__maybenull void* clientDrawingContext,
FLOAT baselineOriginX,
FLOAT baselineOriginY,
__in DWRITE_STRIKETHROUGH const* strikethrough,
IUnknown* clientDrawingEffect
)
{
HRESULT hr;
D2D1_RECT_F rect = D2D1::RectF(
0,
strikethrough->offset,
strikethrough->width,
strikethrough->offset + strikethrough->thickness
);
ID2D1RectangleGeometry* pRectangleGeometry = nullptr;
hr = pD2DFactory_->CreateRectangleGeometry(
&rect,
&pRectangleGeometry
);
D2D1::Matrix3x2F const matrix = D2D1::Matrix3x2F(
1.0f, 0.0f,
0.0f, 1.0f,
baselineOriginX, baselineOriginY
);
ID2D1TransformedGeometry* pTransformedGeometry = nullptr;
if (SUCCEEDED(hr))
{
hr = pD2DFactory_->CreateTransformedGeometry(
pRectangleGeometry,
&matrix,
&pTransformedGeometry
);
}
if (SUCCEEDED(hr) && bShowOutline_)
{
pBrush_->SetColor(sOutlineColor_);
pRT_->DrawGeometry(
pTransformedGeometry,
pBrush_,
fOutlineWidth,
pCurrStrokeStyle_
);
}
if (SUCCEEDED(hr))
{
pBrush_->SetColor(sFillColor_);
pRT_->FillGeometry(
pTransformedGeometry,
pBrush_
);
}
SafeRelease(pRectangleGeometry);
SafeRelease(pTransformedGeometry);
return S_OK;
}
STDMETHODIMP TextRenderer::DrawInlineObject(
__maybenull void* clientDrawingContext,
FLOAT originX,
FLOAT originY,
IDWriteInlineObject* inlineObject,
BOOL IsSideways,
BOOL IsRightToLeft,
IUnknown* clientDrawingEffect
)
{
return E_NOTIMPL;
}
STDMETHODIMP_(unsigned long) TextRenderer::AddRef()
{
return InterlockedIncrement(&cRefCount_);
}
STDMETHODIMP_(unsigned long) TextRenderer::Release()
{
unsigned long newCount = InterlockedDecrement(&cRefCount_);
if (newCount == 0)
{
delete this;
return 0;
}
return newCount;
}
STDMETHODIMP TextRenderer::IsPixelSnappingDisabled(
__maybenull void* clientDrawingContext,
__out BOOL* isDisabled
)
{
*isDisabled = FALSE;
return S_OK;
}
STDMETHODIMP TextRenderer::GetCurrentTransform(
__maybenull void* clientDrawingContext,
__out DWRITE_MATRIX* transform
)
{
pRT_->GetTransform(reinterpret_cast<D2D1_MATRIX_3X2_F*>(transform));
return S_OK;
}
STDMETHODIMP TextRenderer::GetPixelsPerDip(
__maybenull void* clientDrawingContext,
__out FLOAT* pixelsPerDip
)
{
float x, yUnused;
pRT_->GetDpi(&x, &yUnused);
*pixelsPerDip = x / 96;
return S_OK;
}
STDMETHODIMP TextRenderer::QueryInterface(
IID const& riid,
void** ppvObject
)
{
if (__uuidof(IDWriteTextRenderer) == riid)
{
*ppvObject = this;
}
else if (__uuidof(IDWritePixelSnapping) == riid)
{
*ppvObject = this;
}
else if (__uuidof(IUnknown) == riid)
{
*ppvObject = this;
}
else
{
*ppvObject = nullptr;
return E_FAIL;
}
AddRef();
return S_OK;
}
//-------------------------------------------------------
// Graphics
//-------------------------------------------------------
Graphics::Graphics(HWND hwnd)
: factory_(nullptr)
, imaging_factory_(nullptr)
, write_factory_(nullptr)
, miter_stroke_style_(nullptr)
, bevel_stroke_style_(nullptr)
, round_stroke_style_(nullptr)
, fps_text_format_(nullptr)
, fps_text_layout_(nullptr)
, render_target_(nullptr)
, solid_brush_(nullptr)
, text_renderer_(nullptr)
, clear_color_(D2D1::ColorF(D2D1::ColorF::Black))
{
ThrowIfFailed(
D2D1CreateFactory(
D2D1_FACTORY_TYPE_SINGLE_THREADED,
&factory_
)
);
ThrowIfFailed(
CoCreateInstance(
CLSID_WICImagingFactory,
nullptr,
CLSCTX_INPROC_SERVER,
IID_IWICImagingFactory,
reinterpret_cast<void**>(&imaging_factory_)
)
);
ThrowIfFailed(
DWriteCreateFactory(
DWRITE_FACTORY_TYPE_SHARED,
__uuidof(IDWriteFactory),
reinterpret_cast<IUnknown**>(&write_factory_)
)
);
RECT rc;
::GetClientRect(hwnd, &rc);
D2D1_SIZE_U size = D2D1::SizeU(
rc.right - rc.left,
rc.bottom - rc.top
);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><E8B1B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>Щ<EFBFBD><D0A9>ԴӦ<D4B4><D3A6> Direct2D <20><EFBFBD><E8B1B8>ʧʱ<CAA7>ؽ<EFBFBD>
// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB> Direct2D <20><>ȾĿ<C8BE><C4BF>
ThrowIfFailed(
factory_->CreateHwndRenderTarget(
D2D1::RenderTargetProperties(),
D2D1::HwndRenderTargetProperties(
hwnd,
size,
D2D1_PRESENT_OPTIONS_NONE),
&render_target_
)
);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˢ
ThrowIfFailed(
render_target_->CreateSolidColorBrush(
D2D1::ColorF(D2D1::ColorF::White),
&solid_brush_
)
);
// <20><><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ⱦ<EFBFBD><C8BE>
ThrowIfFailed(
TextRenderer::Create(
&text_renderer_,
factory_,
render_target_,
solid_brush_
)
);
}
Graphics::~Graphics()
{
SafeRelease(fps_text_format_);
SafeRelease(fps_text_layout_);
SafeRelease(text_renderer_);
SafeRelease(solid_brush_);
SafeRelease(render_target_);
SafeRelease(miter_stroke_style_);
SafeRelease(bevel_stroke_style_);
SafeRelease(round_stroke_style_);
SafeRelease(factory_);
SafeRelease(imaging_factory_);
SafeRelease(write_factory_);
}
void Graphics::BeginDraw()
{
render_target_->BeginDraw();
render_target_->Clear(clear_color_);
}
void Graphics::EndDraw()
{
HRESULT hr = render_target_->EndDraw();
if (hr == D2DERR_RECREATE_TARGET)
{
// <20><><EFBFBD><EFBFBD> Direct3D <20><EFBFBD><E8B1B8>ִ<EFBFBD>й<EFBFBD><D0B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><E8B1B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ε<EFBFBD><CEB5><EFBFBD>ʱ<EFBFBD>ؽ<EFBFBD><D8BD><EFBFBD>Դ
hr = S_OK;
SafeRelease(fps_text_format_);
SafeRelease(fps_text_layout_);
SafeRelease(text_renderer_);
SafeRelease(solid_brush_);
SafeRelease(render_target_);
}
ThrowIfFailed(hr);
}
void Graphics::DrawDebugInfo()
{
static int render_times_ = 0;
static Time last_render_time_ = Time::Now();
int duration = (Time::Now() - last_render_time_).Milliseconds();
if (!fps_text_format_)
{
ThrowIfFailed(
write_factory_->CreateTextFormat(
L"",
nullptr,
DWRITE_FONT_WEIGHT_NORMAL,
DWRITE_FONT_STYLE_NORMAL,
DWRITE_FONT_STRETCH_NORMAL,
20,
L"",
&fps_text_format_
)
);
ThrowIfFailed(
fps_text_format_->SetWordWrapping(
DWRITE_WORD_WRAPPING_NO_WRAP
)
);
}
++render_times_;
if (duration >= 100)
{
wchar_t fps_text[12] = {};
int len = swprintf_s(fps_text, L"FPS: %.1f", 1000.f / duration * render_times_);
last_render_time_ = Time::Now();
render_times_ = 0;
SafeRelease(fps_text_layout_);
ThrowIfFailed(
write_factory_->CreateTextLayout(
fps_text,
static_cast<UINT32>(len),
fps_text_format_,
0,
0,
&fps_text_layout_
)
);
}
if (fps_text_layout_)
{
render_target_->SetTransform(D2D1::Matrix3x2F::Identity());
solid_brush_->SetOpacity(1.0f);
static_cast<TextRenderer*>(text_renderer_)->SetTextStyle(
D2D1::ColorF(D2D1::ColorF::White),
TRUE,
D2D1::ColorF(D2D1::ColorF::Black, 0.4f),
1.5f,
D2D1_LINE_JOIN_ROUND
);
fps_text_layout_->Draw(
nullptr,
text_renderer_,
10,
0
);
}
}
ID2D1HwndRenderTarget * Graphics::GetRenderTarget() const
{
return render_target_;
}
ID2D1SolidColorBrush * Graphics::GetSolidBrush() const
{
return solid_brush_;
}
IDWriteTextRenderer* Graphics::GetTextRender() const
{
return text_renderer_;
}
ID2D1Factory * Graphics::GetFactory() const
{
return factory_;
}
IWICImagingFactory * Graphics::GetImagingFactory() const
{
return imaging_factory_;
}
IDWriteFactory * Graphics::GetWriteFactory() const
{
return write_factory_;
}
ID2D1StrokeStyle * Graphics::GetMiterStrokeStyle()
{
if (!miter_stroke_style_)
{
ThrowIfFailed(
factory_->CreateStrokeStyle(
D2D1::StrokeStyleProperties(
D2D1_CAP_STYLE_FLAT,
D2D1_CAP_STYLE_FLAT,
D2D1_CAP_STYLE_FLAT,
D2D1_LINE_JOIN_MITER,
2.0f,
D2D1_DASH_STYLE_SOLID,
0.0f),
nullptr,
0,
&miter_stroke_style_
)
);
}
return miter_stroke_style_;
}
ID2D1StrokeStyle * Graphics::GetBevelStrokeStyle()
{
if (!bevel_stroke_style_)
{
ThrowIfFailed(
factory_->CreateStrokeStyle(
D2D1::StrokeStyleProperties(
D2D1_CAP_STYLE_FLAT,
D2D1_CAP_STYLE_FLAT,
D2D1_CAP_STYLE_FLAT,
D2D1_LINE_JOIN_BEVEL,
2.0f,
D2D1_DASH_STYLE_SOLID,
0.0f),
nullptr,
0,
&bevel_stroke_style_
)
);
}
return bevel_stroke_style_;
}
ID2D1StrokeStyle * Graphics::GetRoundStrokeStyle()
{
if (!round_stroke_style_)
{
ThrowIfFailed(
factory_->CreateStrokeStyle(
D2D1::StrokeStyleProperties(
D2D1_CAP_STYLE_FLAT,
D2D1_CAP_STYLE_FLAT,
D2D1_CAP_STYLE_FLAT,
D2D1_LINE_JOIN_ROUND,
2.0f,
D2D1_DASH_STYLE_SOLID,
0.0f),
nullptr,
0,
&round_stroke_style_
)
);
}
return round_stroke_style_;
}
void Graphics::SetTextRendererStyle(const Color & fill_color, bool has_outline, const Color & outline_color, float outline_width, Stroke outline_stroke)
{
static_cast<TextRenderer*>(text_renderer_)->SetTextStyle(
D2D1_COLOR_F(fill_color),
has_outline,
D2D1_COLOR_F(outline_color),
outline_width,
D2D1_LINE_JOIN(outline_stroke)
);
}
float Graphics::GetDpi()
{
static float dpi = -1;
if (dpi < 0)
{
HDC hdc = ::GetDC(0);
dpi = static_cast<float>(::GetDeviceCaps(hdc, LOGPIXELSX));
::ReleaseDC(0, hdc);
}
return dpi;
}
}