src/view.h

   1 #ifndef _VIEW_H
   2 #define _VIEW_H
   3
   4 #include "ipdf.h"
   5 #include "document.h"
   6 #include "graphicsbuffer.h"
   7
   8 namespace IPDF
   9 {
  10         class View
  11         {
  12                 public:
  13                         View(Document & document, const Rect & bounds = Rect(0,0,1,1), const Colour & colour = Colour(0.f,0.f,0.f,1.f))
  14                                 : m_document(document), m_bounds(bounds), m_colour(colour), m_use_gpu_transform(false), m_bounds_dirty(true)
  15                         {
  16                                 Debug("View Created - Bounds => {%s}", m_bounds.Str().c_str());
  17                         }
  18                         virtual ~View() {}
  19
  20                         void Render();
  21
  22                         void Translate(Real x, Real y);
  23                         void ScaleAroundPoint(Real x, Real y, Real scaleAmt);
  24
  25                         Rect TransformToViewCoords(const Rect& inp) const;
  26
  27                         const Rect& GetBounds() const { return m_bounds; }
  28
  29                         const bool UsingGPUTransform() const { return m_use_gpu_transform; }
  30                         void ToggleGPUTransform() { m_use_gpu_transform = (!m_use_gpu_transform); m_bounds_dirty = true; }
  31
  32                 private:
  33                         void ReRender();
  34                         void DrawGrid();
  35                         bool m_use_gpu_transform;
  36                         bool m_bounds_dirty;
  37                         GraphicsBuffer m_vertex_buffer;
  38                         GraphicsBuffer m_index_buffer;
  39                         Document & m_document;
  40                         Rect m_bounds;
  41                         Colour m_colour;
  42                         uint32_t m_rendered_filled;
  43                         uint32_t m_rendered_outline;
  44         };
  45 }
  46
  47 #endif //_VIEW_H