LibreOffice Module canvas (master)  1
pagemanager.hxx
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19 
20 #ifndef INCLUDED_CANVAS_SOURCE_TOOLS_PAGEMANAGER_HXX
21 #define INCLUDED_CANVAS_SOURCE_TOOLS_PAGEMANAGER_HXX
22 
25 
26 #include "page.hxx"
27 
28 namespace canvas
29 {
30  // PageManager
32  {
33  public:
34  explicit PageManager(const std::shared_ptr<canvas::IRenderModule>& rRenderModule)
35  : mpRenderModule(rRenderModule)
36  {
37  }
38 
39  // returns the maximum size of a hardware
40  // accelerated page, e.g. OpenGL texture.
42 
43  const std::shared_ptr<canvas::IRenderModule>& getRenderModule() const { return mpRenderModule; }
44 
45  FragmentSharedPtr allocateSpace( const ::basegfx::B2ISize& rSize );
46  void free( const FragmentSharedPtr& pFragment );
47 
48  void nakedFragment( const FragmentSharedPtr& pFragment );
49 
50  void validatePages();
51 
52  private:
53  // the pagemanager needs access to the rendermodule
54  // since we query for system resources from it.
55  std::shared_ptr<canvas::IRenderModule> mpRenderModule;
56 
57  // here we collect all fragments that will be created
58  // since we need them for relocation purposes.
59  typedef std::vector<FragmentSharedPtr> FragmentContainer_t;
60  FragmentContainer_t maFragments;
61 
62  // this is the container holding all created pages,
63  // behind the scenes these are real hardware surfaces.
64  std::vector<PageSharedPtr> maPages;
65 
66  bool relocate( const FragmentSharedPtr& pFragment );
67  };
68 
69 
70  // PageManagerSharedPtr
71 
72 
73  typedef std::shared_ptr< PageManager > PageManagerSharedPtr;
74 }
75 
76 #endif
77 
78 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
bool relocate(const FragmentSharedPtr &pFragment)
void free(const FragmentSharedPtr &pFragment)
Definition: pagemanager.cxx:64
std::shared_ptr< PageManager > PageManagerSharedPtr
Definition: pagemanager.hxx:73
PageManager(const std::shared_ptr< canvas::IRenderModule > &rRenderModule)
Definition: pagemanager.hxx:34
FragmentSharedPtr allocateSpace(const ::basegfx::B2ISize &rSize)
Definition: pagemanager.cxx:26
FragmentContainer_t maFragments
Definition: pagemanager.hxx:60
std::vector< FragmentSharedPtr > FragmentContainer_t
Definition: pagemanager.hxx:59
void nakedFragment(const FragmentSharedPtr &pFragment)
Definition: pagemanager.cxx:80
::basegfx::B2ISize getPageSize() const
std::shared_ptr< canvas::IRenderModule > mpRenderModule
Definition: pagemanager.hxx:55
std::vector< PageSharedPtr > maPages
Definition: pagemanager.hxx:64
const std::shared_ptr< canvas::IRenderModule > & getRenderModule() const
Definition: pagemanager.hxx:43
std::shared_ptr< PageFragment > FragmentSharedPtr
Definition: page.hxx:35