src/apps/mandelbrot/FractalEngine.h

   1 /*
   2  * Copyright 2016, Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Authors:
   6  *              Augustin Cavalier <waddlesplash>
   7  *              kerwizzy
   8  */
   9 #ifndef FRACTALENGINE_H
  10 #define FRACTALENGINE_H
  11
  12 #include <SupportDefs.h>
  13 #include <Looper.h>
  14 #include <Messenger.h>
  15
  16 class BBitmap;
  17
  18
  19 class FractalEngine : public BLooper {
  20 public:
  21         enum {
  22                 MSG_CHANGE_SET = 'Frct',
  23                 MSG_SET_PALETTE,
  24                 MSG_SET_ITERATIONS,
  25                 MSG_RESIZE,
  26                 MSG_RENDER,
  27                 MSG_RENDER_COMPLETE,
  28         };
  29
  30         FractalEngine(BHandler* parent, BLooper* looper);
  31         ~FractalEngine();
  32
  33         virtual void MessageReceived(BMessage* msg);
  34
  35 private:
  36         BMessenger fMessenger;
  37         BBitmap* fBitmapStandby;
  38         BBitmap* fBitmapDisplay;
  39
  40         uint8 fThreadCount;
  41         thread_id fRenderThreads[4];
  42         sem_id fRenderSem;
  43         sem_id fRenderFinishedSem;
  44
  45         double fLocationX;
  46         double fLocationY;
  47         double fSize;
  48
  49         uint16 fIterations;
  50         uint16 fWidth;
  51         uint16 fHeight;
  52
  53         uint8* fRenderBuffer;
  54         uint32 fRenderBufferLen;
  55
  56         const uint8* fColorset;
  57
  58         int32 (FractalEngine::*fDoSet)(double real, double imaginary);
  59
  60         void Render(double locationX, double locationY, double size);
  61         static status_t RenderThread(void* data);
  62         void RenderPixel(uint32 x, uint32 y, double real, double imaginary);
  63
  64         int32 DoSet_Mandelbrot(double real, double imaginary);
  65         int32 DoSet_BurningShip(double real, double imaginary);
  66         int32 DoSet_Tricorn(double real, double imaginary);
  67         int32 DoSet_Julia(double real, double imaginary);
  68         int32 DoSet_OrbitTrap(double real, double imaginary);
  69         int32 DoSet_Multibrot(double real, double imaginary);
  70 };
  71
  72
  73 #endif  /* FRACTALENGINE_H */