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 #include "framebuffer.h"
   8
   9 namespace IPDF
  10 {
  11         class View
  12         {
  13                 public:
  14                         View(Document & document, const Rect & bounds = Rect(0,0,1,1), const Colour & colour = Colour(0.f,0.f,0.f,1.f))
  15                                 : m_document(document), m_bounds(bounds), m_colour(colour), m_use_gpu_transform(false), m_bounds_dirty(true), m_buffer_dirty(true)
  16                         {
  17                                 Debug("View Created - Bounds => {%s}", m_bounds.Str().c_str());
  18                         }
  19                         virtual ~View() {}
  20
  21                         void Render(int width = 0, int height = 0);
  22
  23                         void Translate(Real x, Real y);
  24                         void ScaleAroundPoint(Real x, Real y, Real scaleAmt);
  25
  26                         Rect TransformToViewCoords(const Rect& inp) const;
  27
  28                         const Rect& GetBounds() const { return m_bounds; }
  29
  30                         const bool UsingGPUTransform() const { return m_use_gpu_transform; }
  31                         void ToggleGPUTransform() { m_use_gpu_transform = (!m_use_gpu_transform); m_bounds_dirty = true; m_buffer_dirty = true; }
  32
  33                 private:
  34                         void ReRender();
  35                         void DrawGrid();
  36                         bool m_use_gpu_transform;
  37                         bool m_bounds_dirty;
  38                         bool m_buffer_dirty;
  39                         GraphicsBuffer m_vertex_buffer;
  40                         GraphicsBuffer m_index_buffer;
  41                         FrameBuffer m_cached_display;
  42                         Document & m_document;
  43                         Rect m_bounds;
  44                         Colour m_colour;
  45                         uint32_t m_rendered_filled;
  46                         uint32_t m_rendered_outline;
  47         };
  48 }
  49
  50 #endif //_VIEW_H