[deploy] Add KGE_RENDER_ENGINE macro

src/kiwano/core/Time.h

@@ -233,7 +233,7 @@ inline bool Time::IsZero() const
 }
 }  // namespace kiwano
 
-#if defined(KGE_VS_VER) && KGE_VS_VER > KGE_VS_2013
+#if defined(KGE_HAS_LITERALS)
 
 namespace kiwano
 {

src/kiwano/macros.h

@@ -51,14 +51,28 @@
 // Compile-time Config Header File
 #include <kiwano/config.h>
 
+#define KGE_NOT_USED(VAR) ((void)VAR)
+
+#define KGE_RENDER_ENGINE_NONE 0
+#define KGE_RENDER_ENGINE_OPENGL 1
+#define KGE_RENDER_ENGINE_OPENGLES 2
+#define KGE_RENDER_ENGINE_DIRECTX 3
+#define KGE_RENDER_ENGINE KGE_RENDER_ENGINE_NONE
+
+/////////////////////////////////////////////////////////////
+//
 // Windows platform
+//
+/////////////////////////////////////////////////////////////
 
 #ifdef KGE_WIN32
 
-#ifndef _MSC_VER
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_NONE
-#   error Kiwano only supports MSVC compiler
+#   undef KGE_RENDER_ENGINE
+#   define KGE_RENDER_ENGINE KGE_RENDER_ENGINE_DIRECTX
 #endif
 
+#ifdef _MSC_VER
 #   ifndef KGE_VS_VER
 #       define KGE_VS_VER _MSC_VER
 #       define KGE_VS_2013 1800
@@ -71,6 +85,55 @@
 #       error Kiwano only supports Visual Studio 2015 and above
 #   endif
 
+#   if defined(KGE_VS_VER) && KGE_VS_VER > KGE_VS_2013
+#       define KGE_HAS_LITERALS
+#   endif
+
+#endif
+
+#if defined(DEBUG) || defined(_DEBUG)
+#   define KGE_DEBUG
+#endif
+
+#ifndef KGE_ASSERT
+#   ifdef KGE_DEBUG
+#       define KGE_ASSERT(EXPR)                                                                                   \
+        do                                                                                                        \
+        {                                                                                                         \
+            (void)((!!(EXPR)) || (_wassert(_CRT_WIDE(#EXPR), _CRT_WIDE(__FUNCTION__), (unsigned)(__LINE__)), 0)); \
+        } while (0)
+#   else
+#       define KGE_ASSERT __noop
+#   endif
+#endif
+
+#define KGE_DEPRECATED(...) __declspec(deprecated(__VA_ARGS__))
+
+#define KGE_SUPPRESS_WARNING_PUSH __pragma(warning(push))
+#define KGE_SUPPRESS_WARNING(CODE) __pragma(warning(disable : CODE))
+#define KGE_SUPPRESS_WARNING_POP __pragma(warning(pop))
+
+#ifndef KGE_API
+#   if defined(KGE_USE_DLL)
+#       define KGE_API __declspec(dllimport)
+#   elif defined(KGE_EXPORT_DLL)
+#       define KGE_API __declspec(dllexport)
+#   endif
+#endif
+
+#ifndef KGE_API
+/* Building or calling Kiwano as a static library */
+#   define KGE_API
+#else
+/*
+ * C4251 can be ignored if you are deriving from a type in the
+ * C++ Standard Library, compiling a debug release (/MTd) and
+ * where the compiler error message refers to _Container_base.
+ */
+KGE_SUPPRESS_WARNING(4251)
+#endif
+
+
 #ifndef WINVER
 #   define WINVER 0x0700  // Allow use of features specific to Windows 7 or later
 #endif
@@ -96,52 +159,8 @@
 #   define NOMINMAX
 #endif
 
-#if defined(DEBUG) || defined(_DEBUG)
-#   define KGE_DEBUG
-#endif
-
-#define KGE_SUPPRESS_WARNING_PUSH __pragma(warning(push))
-#define KGE_SUPPRESS_WARNING(CODE) __pragma(warning(disable : CODE))
-#define KGE_SUPPRESS_WARNING_POP __pragma(warning(pop))
-
-#ifndef KGE_ASSERT
-#   ifdef KGE_DEBUG
-#       define KGE_ASSERT(EXPR)                                                                                   \
-        do                                                                                                        \
-        {                                                                                                         \
-            (void)((!!(EXPR)) || (_wassert(_CRT_WIDE(#EXPR), _CRT_WIDE(__FUNCTION__), (unsigned)(__LINE__)), 0)); \
-        } while (0)
-#   else
-#       define KGE_ASSERT __noop
-#   endif
-#endif
-
-#ifndef KGE_API
-#   if defined(KGE_USE_DLL)
-#       define KGE_API __declspec(dllimport)
-#   elif defined(KGE_EXPORT_DLL)
-#       define KGE_API __declspec(dllexport)
-#   endif
-#endif
-
-#ifndef KGE_API
-/* Building or calling Kiwano as a static library */
-#   define KGE_API
-#else
-/*
- * C4251 can be ignored if you are deriving from a type in the
- * C++ Standard Library, compiling a debug release (/MTd) and
- * where the compiler error message refers to _Container_base.
- */
-KGE_SUPPRESS_WARNING(4251)
-#endif
-
-#define KGE_DEPRECATED(...) __declspec(deprecated(__VA_ARGS__))
-
 // Windows Header Files
 #include <wincodec.h>
 #include <windows.h>
 
 #endif  // KGE_WIN32
-
-#define KGE_NOT_USED(VAR) ((void)VAR)

src/kiwano/platform/Application.cpp

@@ -40,7 +40,7 @@ Application::Application()
 
 Application::~Application() {}
 
-void Application::Run(Runner* runner, bool debug)
+void Application::Run(RunnerPtr runner, bool debug)
 {
     KGE_ASSERT(runner);
     runner_ = runner;

src/kiwano/platform/Application.h

@@ -52,15 +52,6 @@ public:
      */
     void Run(RunnerPtr runner, bool debug = false);
 
-    /**
-     * \~chinese
-     * @brief 启动应用程序
-     * @param runner 程序运行器
-     * @param debug 是否启用调试模式
-     * @note 该函数是阻塞的，应用程序结束时函数返回
-     */
-    void Run(Runner* runner, bool debug = false);
-
     /**
      * \~chinese
      * @brief 终止应用程序
@@ -126,7 +117,7 @@ public:
 
     /**
      * \~chinese
-     * @brief 渲染
+     * @brief 创建渲染上下文并渲染画面
      */
     void Render();
 
@@ -139,11 +130,6 @@ private:
     Queue<Function<void()>> functions_to_perform_;
 };
 
-inline void Application::Run(RunnerPtr runner, bool debug)
-{
-    this->Run(runner.get(), debug);
-}
-
 inline RunnerPtr Application::GetRunner() const
 {
     return runner_;

src/kiwano/render/Brush.cpp

@@ -90,11 +90,6 @@ Brush::Brush()
 {
 }
 
-bool Brush::IsValid() const
-{
-    return raw_ != nullptr;
-}
-
 void Brush::SetColor(Color const& color)
 {
     Renderer::GetInstance().CreateBrush(*this, color);

src/kiwano/render/Brush.h

@@ -139,7 +139,7 @@ public:
 private:
     Type type_;
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 public:
     void SetBrush(ComPtr<ID2D1Brush> brush, Type type);
 
@@ -157,7 +157,16 @@ inline Brush::Type Brush::GetType() const
     return type_;
 }
 
-#if defined(KGE_WIN32)
+inline bool Brush::IsValid() const
+{
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
+    return raw_ != nullptr;
+#else
+    return false;  // not supported
+#endif
+}
+
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 inline void Brush::SetBrush(ComPtr<ID2D1Brush> brush, Type type)
 {
     type_ = type;

src/kiwano/render/DirectX/RendererImpl.cpp

@@ -587,33 +587,6 @@ void RendererImpl::CreateFontCollection(Font& font, Resource const& res)
     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);
-    }
-
-    ThrowIfFailed(hr, "Create text format failed");
-}
-
 void RendererImpl::CreateTextLayout(TextLayout& layout)
 {
     HRESULT hr = S_OK;
@@ -622,9 +595,39 @@ void RendererImpl::CreateTextLayout(TextLayout& layout)
         hr = E_UNEXPECTED;
     }
 
+    if (layout.GetText().empty())
+    {
+        layout.SetTextFormat(nullptr);
+        layout.SetTextLayout(nullptr);
+        return;
+    }
+
+    if (!layout.GetTextFormat() || (layout.GetDirtyFlag() & TextLayout::DirtyFlag::DirtyFormat))
+    {
+        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);
+        }
+    }
+
+    if (layout.GetDirtyFlag() & TextLayout::DirtyFlag::DirtyLayout)
+    {
         ComPtr<IDWriteTextLayout> output;
         if (SUCCEEDED(hr))
         {
+
             WideString text = MultiByteToWide(layout.GetText());
 
             hr = d2d_res_->CreateTextLayout(output, text.c_str(), text.length(), layout.GetTextFormat());
@@ -633,6 +636,13 @@ void RendererImpl::CreateTextLayout(TextLayout& layout)
         if (SUCCEEDED(hr))
         {
             layout.SetTextLayout(output);
+
+            layout.SetAlignment(layout.GetStyle().alignment);
+            layout.SetWrapWidth(layout.GetStyle().wrap_width);
+            layout.SetLineSpacing(layout.GetStyle().line_spacing);
+
+            layout.SetDirtyFlag(TextLayout::DirtyFlag::Clean);
+        }
     }
 
     ThrowIfFailed(hr, "Create text layout failed");

src/kiwano/render/DirectX/RendererImpl.h

@@ -58,8 +58,6 @@ public:
 
     void CreateFontCollection(Font& font, Resource const& res) override;
 
-    void CreateTextFormat(TextLayout& layout) override;
-
     void CreateTextLayout(TextLayout& layout) override;
 
     void CreateLineShape(Shape& shape, Point const& begin_pos, Point const& end_pos) override;

src/kiwano/render/Font.h

@@ -62,7 +62,11 @@ public:
     /// @brief 加载字体资源
     bool Load(Resource const& resource);
 
-#if defined(KGE_WIN32)
+    /// \~chinese
+    /// @brief 是否有效
+    bool IsValid() const;
+
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 public:
     ComPtr<IDWriteFontCollection> GetCollection() const;
 
@@ -75,7 +79,16 @@ private:
 
 /** @} */
 
-#if defined(KGE_WIN32)
+inline bool Font::IsValid() const
+{
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
+    return collection_ != nullptr;
+#else
+    return false;  // not supported
+#endif
+}
+
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 inline ComPtr<IDWriteFontCollection> Font::GetCollection() const
 {
     return collection_;

src/kiwano/render/GifImage.cpp

@@ -82,11 +82,6 @@ bool GifImage::Load(Resource const& res)
     return false;
 }
 
-bool GifImage::IsValid() const
-{
-    return decoder_ != nullptr;
-}
-
 GifImage::Frame GifImage::GetFrame(uint32_t index)
 {
     Frame frame;
@@ -94,7 +89,7 @@ GifImage::Frame GifImage::GetFrame(uint32_t index)
     return frame;
 }
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 bool GifImage::GetGlobalMetadata()
 {
     HRESULT hr = decoder_ ? S_OK : E_FAIL;
@@ -193,6 +188,14 @@ bool GifImage::GetGlobalMetadata()
     }
     return SUCCEEDED(hr);
 }
+
+#else
+
+bool GifImage::GetGlobalMetadata()
+{
+    return false;  // not supported
+}
+
 #endif
 
 }  // namespace kiwano

src/kiwano/render/GifImage.h

@@ -108,7 +108,7 @@ private:
     uint32_t width_in_pixels_;
     uint32_t height_in_pixels_;
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 public:
     ComPtr<IWICBitmapDecoder> GetDecoder() const;
 
@@ -141,7 +141,16 @@ inline uint32_t GifImage::GetFramesCount() const
     return frames_count_;
 }
 
-#if defined(KGE_WIN32)
+inline bool GifImage::IsValid() const
+{
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
+    return decoder_ != nullptr;
+#else
+    return false;  // not supported
+#endif
+}
+
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 inline ComPtr<IWICBitmapDecoder> GifImage::GetDecoder() const
 {
     return decoder_;

src/kiwano/render/Layer.h

@@ -80,7 +80,7 @@ private:
     ShapePtr  mask_;
     Matrix3x2 mask_transform_;
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 public:
     ComPtr<ID2D1Layer> GetLayer() const;
 
@@ -95,7 +95,11 @@ private:
 
 inline bool Layer::IsValid() const
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     return layer_ != nullptr;
+#else
+    return false;  // not supported
+#endif
 }
 
 inline Rect const& Layer::GetClipRect() const
@@ -138,7 +142,7 @@ inline void Layer::SetMaskTransform(Matrix3x2 const& matrix)
     mask_transform_ = matrix;
 }
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 inline ComPtr<ID2D1Layer> Layer::GetLayer() const
 {
     return layer_;

src/kiwano/render/Renderer.h

@@ -113,12 +113,6 @@ public:
     /// @throw std::system_error 创建失败时抛出
     virtual void CreateFontCollection(Font& font, Resource const& res) = 0;
 
-    /// \~chinese
-    /// @brief 创建文字格式内部资源
-    /// @param[out] layout 字体布局
-    /// @throw std::system_error 创建失败时抛出
-    virtual void CreateTextFormat(TextLayout& layout) = 0;
-
     /// \~chinese
     /// @brief 创建文字布局内部资源
     /// @param[out] layout 字体布局

src/kiwano/render/Shape.cpp

@@ -27,13 +27,9 @@ namespace kiwano
 
 Shape::Shape() {}
 
-bool Shape::IsValid() const
-{
-    return geo_ != nullptr;
-}
-
 Rect Shape::GetBoundingBox() const
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     Rect bounds;
     if (geo_)
     {
@@ -41,10 +37,14 @@ Rect Shape::GetBoundingBox() const
         geo_->GetBounds(nullptr, DX::ConvertToRectF(&bounds));
     }
     return bounds;
+#else
+    return Rect();  // not supported
+#endif
 }
 
 Rect Shape::GetBoundingBox(Matrix3x2 const& transform) const
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     Rect bounds;
     if (geo_)
     {
@@ -52,10 +52,14 @@ Rect Shape::GetBoundingBox(Matrix3x2 const& transform) const
         geo_->GetBounds(DX::ConvertToMatrix3x2F(transform), DX::ConvertToRectF(&bounds));
     }
     return bounds;
+#else
+    return Rect();  // not supported
+#endif
 }
 
 float Shape::GetLength() const
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     float length = 0.f;
     if (geo_)
     {
@@ -63,10 +67,14 @@ float Shape::GetLength() const
         geo_->ComputeLength(D2D1::Matrix3x2F::Identity(), &length);
     }
     return length;
+#else
+    return 0.0f;  // not supported
+#endif
 }
 
 bool Shape::ComputePointAtLength(float length, Point& point, Vec2& tangent) const
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (geo_)
     {
         HRESULT hr = geo_->ComputePointAtLength(length, D2D1::Matrix3x2F::Identity(), DX::ConvertToPoint2F(&point),
@@ -75,15 +83,23 @@ bool Shape::ComputePointAtLength(float length, Point& point, Vec2& tangent) cons
         return SUCCEEDED(hr);
     }
     return false;
+#else
+    return false;  // not supported
+#endif
 }
 
 void Shape::Clear()
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     geo_.reset();
+#else
+    return;  // not supported
+#endif
 }
 
 float Shape::ComputeArea() const
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (!geo_)
         return 0.f;
 
@@ -91,10 +107,14 @@ float Shape::ComputeArea() const
     // no matter it failed or not
     geo_->ComputeArea(D2D1::Matrix3x2F::Identity(), &area);
     return area;
+#else
+    return 0.0f;  // not supported
+#endif
 }
 
 bool Shape::ContainsPoint(Point const& point, const Matrix3x2* transform) const
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (!geo_)
         return false;
 
@@ -103,6 +123,9 @@ bool Shape::ContainsPoint(Point const& point, const Matrix3x2* transform) const
     geo_->FillContainsPoint(DX::ConvertToPoint2F(point), DX::ConvertToMatrix3x2F(transform),
                             D2D1_DEFAULT_FLATTENING_TOLERANCE, &ret);
     return !!ret;
+#else
+    return false;  // not supported
+#endif
 }
 
 ShapePtr Shape::CreateLine(Point const& begin, Point const& end)

src/kiwano/render/Shape.h

@@ -111,7 +111,7 @@ public:
     /// @brief 清除形状
     void Clear();
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 public:
     ComPtr<ID2D1Geometry> GetGeometry() const;
 
@@ -124,7 +124,16 @@ private:
 
 /** @} */
 
-#if defined(KGE_WIN32)
+inline bool Shape::IsValid() const
+{
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
+    return geo_ != nullptr;
+#else
+    return false;  // not supported
+#endif
+}
+
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 inline ComPtr<ID2D1Geometry> Shape::GetGeometry() const
 {
     return geo_;

src/kiwano/render/ShapeSink.cpp

@@ -33,6 +33,7 @@ ShapeSink::~ShapeSink()
 
 void ShapeSink::Open()
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (!IsOpened())
     {
         path_geo_.reset();
@@ -40,10 +41,14 @@ void ShapeSink::Open()
 
         ThrowIfFailed(path_geo_->Open(&sink_), "Open ID2D1GeometrySink failed");
     }
+#else
+    return;  // not supported
+#endif
 }
 
 void ShapeSink::Close()
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (IsOpened())
     {
         ThrowIfFailed(sink_->Close(), "Close ID2D1GeometrySink failed");
@@ -52,11 +57,18 @@ void ShapeSink::Close()
 
     shape_ = new Shape;
     shape_->SetGeometry(path_geo_);
+#else
+    return;  // not supported
+#endif
 }
 
 bool ShapeSink::IsOpened() const
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     return sink_ != nullptr;
+#else
+    return false;  // not supported
+#endif
 }
 
 ShapePtr ShapeSink::GetShape()
@@ -72,6 +84,7 @@ ShapeSink& ShapeSink::AddShape(ShapePtr input, const Matrix3x2* input_matrix)
         Open();
     }
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (input && input->IsValid())
     {
         ComPtr<ID2D1Geometry> geo = input->GetGeometry();
@@ -81,6 +94,9 @@ ShapeSink& ShapeSink::AddShape(ShapePtr input, const Matrix3x2* input_matrix)
         ThrowIfFailed(hr, "Get outline of ID2D1Geometry failed");
     }
     return (*this);
+#else
+    return (*this);  // not supported
+#endif
 }
 
 ShapeSink& ShapeSink::BeginPath(Point const& begin_pos)
@@ -90,52 +106,80 @@ ShapeSink& ShapeSink::BeginPath(Point const& begin_pos)
         Open();
     }
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     sink_->BeginFigure(DX::ConvertToPoint2F(begin_pos), D2D1_FIGURE_BEGIN_FILLED);
+#else
+    // not supported
+#endif
     return (*this);
 }
 
 ShapeSink& ShapeSink::EndPath(bool closed)
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     KGE_ASSERT(sink_);
     sink_->EndFigure(closed ? D2D1_FIGURE_END_CLOSED : D2D1_FIGURE_END_OPEN);
+#else
+    // not supported
+#endif
     return (*this);
 }
 
 ShapeSink& ShapeSink::AddLine(Point const& point)
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     KGE_ASSERT(sink_);
     sink_->AddLine(DX::ConvertToPoint2F(point));
+#else
+    // not supported
+#endif
     return (*this);
 }
 
 ShapeSink& ShapeSink::AddLines(Vector<Point> const& points)
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     KGE_ASSERT(sink_);
     sink_->AddLines(reinterpret_cast<const D2D_POINT_2F*>(&points[0]), static_cast<uint32_t>(points.size()));
+#else
+    // not supported
+#endif
     return (*this);
 }
 
 ShapeSink& kiwano::ShapeSink::AddLines(const Point* points, size_t count)
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     KGE_ASSERT(sink_);
     sink_->AddLines(reinterpret_cast<const D2D_POINT_2F*>(points), UINT32(count));
+#else
+    // not supported
+#endif
     return (*this);
 }
 
 ShapeSink& ShapeSink::AddBezier(Point const& point1, Point const& point2, Point const& point3)
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     KGE_ASSERT(sink_);
     sink_->AddBezier(
         D2D1::BezierSegment(DX::ConvertToPoint2F(point1), DX::ConvertToPoint2F(point2), DX::ConvertToPoint2F(point3)));
+#else
+    // not supported
+#endif
     return (*this);
 }
 
 ShapeSink& ShapeSink::AddArc(Point const& point, Size const& radius, float rotation, bool clockwise, bool is_small)
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     KGE_ASSERT(sink_);
     sink_->AddArc(D2D1::ArcSegment(DX::ConvertToPoint2F(point), DX::ConvertToSizeF(radius), rotation,
                                    clockwise ? D2D1_SWEEP_DIRECTION_CLOCKWISE : D2D1_SWEEP_DIRECTION_COUNTER_CLOCKWISE,
                                    is_small ? D2D1_ARC_SIZE_SMALL : D2D1_ARC_SIZE_LARGE));
+#else
+    // not supported
+#endif
     return (*this);
 }
 
@@ -146,6 +190,7 @@ ShapeSink& ShapeSink::Combine(ShapePtr shape_a, ShapePtr shape_b, CombineMode mo
         Open();
     }
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (shape_a && shape_b)
     {
         ComPtr<ID2D1Geometry> geo_a_raw = shape_a->geo_;
@@ -155,6 +200,9 @@ ShapeSink& ShapeSink::Combine(ShapePtr shape_a, ShapePtr shape_b, CombineMode mo
                                                     DX::ConvertToMatrix3x2F(matrix), sink_.get());
         ThrowIfFailed(hr, "Combine ID2D1Geometry failed");
     }
+#else
+    // not supported
+#endif
     return (*this);
 }
 
@@ -162,7 +210,11 @@ void ShapeSink::Clear()
 {
     Close();
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     path_geo_.reset();
+#else
+    // not supported
+#endif
 }
 
 }  // namespace kiwano

src/kiwano/render/ShapeSink.h

@@ -132,7 +132,7 @@ public:
 private:
     ShapePtr shape_;
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 public:
     ComPtr<ID2D1PathGeometry> GetPathGeometry() const;
 
@@ -150,7 +150,7 @@ private:
 
 /** @} */
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 inline ComPtr<ID2D1PathGeometry> ShapeSink::GetPathGeometry() const
 {
     return path_geo_;

src/kiwano/render/StrokeStyle.cpp

@@ -112,6 +112,7 @@ void StrokeStyle::SetDashStyle(const float* dash_array, size_t dash_size)
     style_.reset();
 }
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 ComPtr<ID2D1StrokeStyle> StrokeStyle::GetStrokeStyle() const
 {
     StrokeStyle& self = const_cast<StrokeStyle&>(*this);
@@ -122,5 +123,6 @@ ComPtr<ID2D1StrokeStyle> StrokeStyle::GetStrokeStyle() const
                                                   dash_offset_);
     return style_;
 }
+#endif
 
 }  // namespace kiwano

src/kiwano/render/StrokeStyle.h

@@ -170,7 +170,7 @@ private:
     float         dash_offset_;
     Vector<float> dash_array_;
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 public:
     ComPtr<ID2D1StrokeStyle> GetStrokeStyle() const;
 
@@ -221,12 +221,16 @@ inline void StrokeStyle::SetDashOffset(float dash_offset)
     style_.reset();
 }
 
-#if defined(KGE_WIN32)
 inline bool StrokeStyle::IsValid() const
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     return style_ != nullptr;
+#else
+    return false;  // not supported
+#endif
 }
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 inline void StrokeStyle::SetStrokeStyle(ComPtr<ID2D1StrokeStyle> style)
 {
     style_ = style;

src/kiwano/render/TextLayout.cpp

@@ -33,31 +33,7 @@ void TextLayout::Update()
     if (!IsDirty())
         return;
 
-    if (text_.empty())
-    {
-        text_format_.reset();
-        text_layout_.reset();
-        return;
-    }
-
-    if (!text_format_ || (dirty_flag_ & DirtyFlag::DirtyFormat))
-    {
-        Renderer::GetInstance().CreateTextFormat(*this);
-    }
-
-    if (dirty_flag_ & DirtyFlag::DirtyLayout)
-    {
     Renderer::GetInstance().CreateTextLayout(*this);
-
-        if (text_layout_)
-        {
-            SetAlignment(style_.alignment);
-            SetWrapWidth(style_.wrap_width);
-            SetLineSpacing(style_.line_spacing);
-        }
-    }
-
-    dirty_flag_ = DirtyFlag::Updated;
 }
 
 void TextLayout::SetText(const String& text)
@@ -122,6 +98,7 @@ uint32_t TextLayout::GetLineCount() const
     // Force to update layout
     const_cast<TextLayout*>(this)->Update();
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (text_layout_)
     {
         DWRITE_TEXT_METRICS metrics;
@@ -130,6 +107,9 @@ uint32_t TextLayout::GetLineCount() const
             return metrics.lineCount;
         }
     }
+#else
+    // not supported
+#endif
     return 0;
 }
 
@@ -138,6 +118,7 @@ Size TextLayout::GetLayoutSize() const
     // Force to update layout
     const_cast<TextLayout*>(this)->Update();
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (text_layout_)
     {
         DWRITE_TEXT_METRICS metrics;
@@ -147,6 +128,9 @@ Size TextLayout::GetLayoutSize() const
                                              : Size(metrics.width, metrics.height);
         }
     }
+#else
+    // not supported
+#endif
     return Size();
 }
 
@@ -154,6 +138,7 @@ void TextLayout::SetWrapWidth(float wrap_width)
 {
     style_.wrap_width = wrap_width;
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (text_layout_)
     {
         HRESULT hr              = S_OK;
@@ -185,12 +170,16 @@ void TextLayout::SetWrapWidth(float wrap_width)
         }
         ThrowIfFailed(hr, "Apply word wrapping to text layout failed");
     }
+#else
+    return;  // not supported
+#endif
 }
 
 void TextLayout::SetLineSpacing(float line_spacing)
 {
     style_.line_spacing = line_spacing;
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (text_layout_)
     {
         HRESULT hr = S_OK;
@@ -204,17 +193,24 @@ void TextLayout::SetLineSpacing(float line_spacing)
         }
         ThrowIfFailed(hr, "Apply line spacing to text layout failed");
     }
+#else
+    return;  // not supported
+#endif
 }
 
 void TextLayout::SetAlignment(TextAlign align)
 {
     style_.alignment = align;
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (text_layout_)
     {
         HRESULT hr = text_layout_->SetTextAlignment(DWRITE_TEXT_ALIGNMENT(align));
         ThrowIfFailed(hr, "Apply alignment style to text layout failed");
     }
+#else
+    return;  // not supported
+#endif
 }
 
 void TextLayout::SetUnderline(bool enable, uint32_t start, uint32_t length)
@@ -222,6 +218,7 @@ void TextLayout::SetUnderline(bool enable, uint32_t start, uint32_t length)
     // Force to update layout
     Update();
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     HRESULT hr = text_layout_ ? S_OK : E_FAIL;
 
     if (SUCCEEDED(hr))
@@ -229,6 +226,9 @@ void TextLayout::SetUnderline(bool enable, uint32_t start, uint32_t length)
         hr = text_layout_->SetUnderline(enable, { start, length });
     }
     ThrowIfFailed(hr, "Apply underline style to text layout failed");
+#else
+    return;  // not supported
+#endif
 }
 
 void TextLayout::SetStrikethrough(bool enable, uint32_t start, uint32_t length)
@@ -236,6 +236,7 @@ void TextLayout::SetStrikethrough(bool enable, uint32_t start, uint32_t length)
     // Force to update layout
     Update();
 
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     HRESULT hr = text_layout_ ? S_OK : E_FAIL;
 
     if (SUCCEEDED(hr))
@@ -243,6 +244,9 @@ void TextLayout::SetStrikethrough(bool enable, uint32_t start, uint32_t length)
         hr = text_layout_->SetStrikethrough(enable, { start, length });
     }
     ThrowIfFailed(hr, "Apply strikethrough style to text layout failed");
+#else
+    return;  // not supported
+#endif
 }
 
 }  // namespace kiwano

src/kiwano/render/TextLayout.h

@@ -165,7 +165,7 @@ private:
     String    text_;
     TextStyle style_;
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 public:
     ComPtr<IDWriteTextFormat> GetTextFormat() const;
 
@@ -185,7 +185,11 @@ private:
 
 inline bool TextLayout::IsValid() const
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     return text_layout_ != nullptr;
+#else
+    return false;  // not supported
+#endif
 }
 
 inline bool TextLayout::IsDirty() const
@@ -243,7 +247,7 @@ inline void TextLayout::SetOutlineStroke(StrokeStylePtr outline_stroke)
     style_.outline_stroke = outline_stroke;
 }
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 inline ComPtr<IDWriteTextFormat> TextLayout::GetTextFormat() const
 {
     return text_format_;

src/kiwano/render/Texture.cpp

@@ -67,65 +67,34 @@ bool Texture::Load(Resource const& res)
     return IsValid();
 }
 
-bool Texture::IsValid() const
-{
-    return bitmap_ != nullptr;
-}
-
 float Texture::GetWidth() const
 {
-    if (bitmap_)
+    return size_.x;
-    {
-        return bitmap_->GetSize().width;
-    }
-    return 0;
 }
 
 float Texture::GetHeight() const
 {
-    if (bitmap_)
+    return size_.y;
-    {
-        return bitmap_->GetSize().height;
-    }
-    return 0;
 }
 
 Size Texture::GetSize() const
 {
-    if (bitmap_)
+    return size_;
-    {
-        auto bitmap_size = bitmap_->GetSize();
-        return Size{ bitmap_size.width, bitmap_size.height };
-    }
-    return Size{};
 }
 
 uint32_t Texture::GetWidthInPixels() const
 {
-    if (bitmap_)
+    return size_in_pixels_.x;
-    {
-        return bitmap_->GetPixelSize().width;
-    }
-    return 0;
 }
 
 uint32_t Texture::GetHeightInPixels() const
 {
-    if (bitmap_)
+    return size_in_pixels_.y;
-    {
-        return bitmap_->GetPixelSize().height;
-    }
-    return 0;
 }
 
 math::Vec2T<uint32_t> Texture::GetSizeInPixels() const
 {
-    if (bitmap_)
+    return size_in_pixels_;
-    {
-        auto bitmap_size = bitmap_->GetPixelSize();
-        return math::Vec2T<uint32_t>{ bitmap_size.width, bitmap_size.height };
-    }
-    return math::Vec2T<uint32_t>{};
 }
 
 InterpolationMode Texture::GetBitmapInterpolationMode() const
@@ -135,16 +104,21 @@ InterpolationMode Texture::GetBitmapInterpolationMode() const
 
 void Texture::CopyFrom(TexturePtr copy_from)
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (IsValid() && copy_from)
     {
         HRESULT hr = bitmap_->CopyFromBitmap(nullptr, copy_from->GetBitmap().get(), nullptr);
 
         ThrowIfFailed(hr, "Copy texture data failed");
     }
+#else
+    return;  // not supported
+#endif
 }
 
 void Texture::CopyFrom(TexturePtr copy_from, Rect const& src_rect, Point const& dest_point)
 {
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
     if (IsValid() && copy_from)
     {
         HRESULT hr = bitmap_->CopyFromBitmap(
@@ -154,6 +128,9 @@ void Texture::CopyFrom(TexturePtr copy_from, Rect const& src_rect, Point const&
 
         ThrowIfFailed(hr, "Copy texture data failed");
     }
+#else
+    return;  // not supported
+#endif
 }
 
 void Texture::SetInterpolationMode(InterpolationMode mode)
@@ -180,16 +157,4 @@ InterpolationMode Texture::GetDefaultInterpolationMode()
     return default_interpolation_mode_;
 }
 
-#if defined(KGE_WIN32)
-ComPtr<ID2D1Bitmap> Texture::GetBitmap() const
-{
-    return bitmap_;
-}
-
-void Texture::SetBitmap(ComPtr<ID2D1Bitmap> bitmap)
-{
-    bitmap_ = bitmap;
-}
-#endif
-
 }  // namespace kiwano

src/kiwano/render/Texture.h

@@ -132,7 +132,7 @@ private:
 
     static InterpolationMode default_interpolation_mode_;
 
-#if defined(KGE_WIN32)
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
 public:
     /// \~chinese
     /// @brief 获取源位图
@@ -144,9 +144,46 @@ public:
 
 private:
     ComPtr<ID2D1Bitmap>   bitmap_;
+    Size                  size_;
+    math::Vec2T<uint32_t> size_in_pixels_;
 #endif
 };
 
 /** @} */
 
+inline bool Texture::IsValid() const
+{
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
+    return bitmap_ != nullptr;
+#else
+    return false;  // not supported
+#endif
+}
+
+#if KGE_RENDER_ENGINE == KGE_RENDER_ENGINE_DIRECTX
+inline ComPtr<ID2D1Bitmap> Texture::GetBitmap() const
+{
+    return bitmap_;
+}
+
+inline void Texture::SetBitmap(ComPtr<ID2D1Bitmap> bitmap)
+{
+    if (bitmap_ != bitmap)
+    {
+        bitmap_ = bitmap;
+
+        if (bitmap_)
+        {
+            auto size = bitmap_->GetSize();
+            auto pixel_size = bitmap_->GetPixelSize();
+
+            size_.x           = size.width;
+            size_.y           = size.height;
+            size_in_pixels_.x = pixel_size.width;
+            size_in_pixels_.y = pixel_size.height;
+        }
+    }
+}
+#endif
+
 }  // namespace kiwano