LibreOffice Module canvas (master)  1
bitmapcanvasbase.hxx
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19 
20 #pragma once
21 
22 #include <base/canvasbase.hxx>
23 #include <com/sun/star/geometry/IntegerSize2D.hpp>
24 
25 namespace com::sun::star::rendering { class XBitmapCanvas; }
26 
27 namespace canvas
28 {
62  template< class Base,
63  class CanvasHelper,
64  class Mutex=::osl::MutexGuard,
65  class UnambiguousBase=css::uno::XInterface > class BitmapCanvasBase :
66  public CanvasBase< Base, CanvasHelper, Mutex, UnambiguousBase >
67  {
68  public:
70 
71  // XBitmap
72  virtual css::geometry::IntegerSize2D SAL_CALL getSize( ) override
73  {
74  typename BaseType::MutexType aGuard( BaseType::m_aMutex );
75 
76  return BaseType::maCanvasHelper.getSize();
77  }
78 
79  virtual sal_Bool SAL_CALL hasAlpha( ) override
80  {
81  return true;
82  }
83 
84  virtual css::uno::Reference< css::rendering::XBitmap > SAL_CALL getScaledBitmap( const css::geometry::RealSize2D& newSize,
85  sal_Bool beFast ) override
86  {
87  typename BaseType::MutexType aGuard( BaseType::m_aMutex );
88 
89  return BaseType::maCanvasHelper.getScaledBitmap( newSize, beFast );
90  }
91 
92  };
93 
94  template< class Base,
95  class CanvasHelper,
96  class Mutex=::osl::MutexGuard,
97  class UnambiguousBase = css::uno::XInterface > class BitmapCanvasBase2 :
98  public BitmapCanvasBase< Base, CanvasHelper, Mutex, UnambiguousBase >
99  {
102 
103  public:
104  // XBitmapCanvas
105  virtual void SAL_CALL copyRect( const css::uno::Reference< css::rendering::XBitmapCanvas >& sourceCanvas,
106  const css::geometry::RealRectangle2D& sourceRect,
107  const css::rendering::ViewState& sourceViewState,
108  const css::rendering::RenderState& sourceRenderState,
109  const css::geometry::RealRectangle2D& destRect,
110  const css::rendering::ViewState& destViewState,
111  const css::rendering::RenderState& destRenderState ) override
112  {
113  tools::verifyArgs(sourceCanvas, sourceRect, sourceViewState, sourceRenderState,
114  destRect, destViewState, destRenderState,
115  __func__,
116  static_cast< typename BaseType::UnambiguousBaseType* >(this));
117 
118  typename BaseType::BaseType::MutexType aGuard( BaseType::m_aMutex );
119 
120  BaseType::BaseType::mbSurfaceDirty = true;
121  }
122  };
123 }
124 
125 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
BitmapCanvasBase< Base, CanvasHelper, Mutex, UnambiguousBase > BaseType
virtual sal_Bool SAL_CALL hasAlpha() override
virtual void SAL_CALL copyRect(const css::uno::Reference< css::rendering::XBitmapCanvas > &sourceCanvas, const css::geometry::RealRectangle2D &sourceRect, const css::rendering::ViewState &sourceViewState, const css::rendering::RenderState &sourceRenderState, const css::geometry::RealRectangle2D &destRect, const css::rendering::ViewState &destViewState, const css::rendering::RenderState &destRenderState) override
virtual css::geometry::IntegerSize2D SAL_CALL getSize() override
Helper template to handle XCanvas method forwarding to CanvasHelper.
Definition: canvasbase.hxx:108
Base
unsigned char sal_Bool
virtual css::uno::Reference< css::rendering::XBitmap > SAL_CALL getScaledBitmap(const css::geometry::RealSize2D &newSize, sal_Bool beFast) override
CanvasHelper maCanvasHelper
Definition: canvasbase.hxx:442
CanvasBase< Base, CanvasHelper, Mutex, UnambiguousBase > BaseType
Helper template to handle XBitmapCanvas method forwarding to BitmapCanvasHelper.
void verifyArgs(const Arg0 &rArg0, const char *pStr, const css::uno::Reference< css::uno::XInterface > &xIf)