src/main.h

   1 #include "common.h"
   2
   3 #include "document.h"
   4 #include "view.h"
   5 #include "screen.h"
   6 #include "debugscript.h"
   7 #include <unistd.h>
   8
   9
  10 using namespace std;
  11 using namespace IPDF;
  12
  13
  14 extern const char *script_filename;
  15 extern bool make_movie; // whyyy
  16 extern const char * program_name;
  17
  18 inline void OverlayBMP(Document & doc, const char * input, const char * output, const Rect & bounds = Rect(0,0,1,1), const Colour & c = Colour(0.f,0.f,0.f,1.f))
  19 {
  20
  21         Screen scr;
  22         View view(doc, scr, bounds, c);
  23         if (input != NULL)
  24                 scr.RenderBMP(input);
  25         view.Render();
  26         if (output != NULL)
  27                 scr.ScreenShot(output);
  28         scr.Present();
  29 }
  30
  31 // It is the only way.
  32 // Dear god what have I done
  33 void RatCatcher(int x, int y, int buttons, int wheel, Screen * scr, View * view)
  34 {
  35         static bool oldButtonDown = false;
  36         static int oldx, oldy;
  37         if (buttons == 3 && !oldButtonDown)
  38         {
  39                 oldButtonDown = true;
  40                 view->ToggleGPUTransform();
  41                 oldx = x;
  42                 oldy = y;
  43                 return;
  44         }
  45         if (buttons == 2 && !oldButtonDown)
  46         {
  47                 oldButtonDown = true;
  48                 view->ToggleGPURendering();
  49                 oldx = x;
  50                 oldy = y;
  51         }
  52         if (buttons && !oldButtonDown)
  53         {
  54                 // We're beginning a drag.
  55                 oldButtonDown = true;
  56                 oldx = x;
  57                 oldy = y;
  58                 scr->SetMouseCursor(Screen::CursorMove);
  59         }
  60         if (buttons)
  61         {
  62                 view->Translate(Real(oldx-x)/Real(scr->ViewportWidth()), Real(oldy-y)/Real(scr->ViewportHeight()));
  63         }
  64         else
  65         {
  66                 oldButtonDown = false;
  67                 scr->SetMouseCursor(Screen::CursorArrow);
  68         }
  69         oldx = x;
  70         oldy = y;
  71
  72         if (wheel)
  73         {
  74                 view->ScaleAroundPoint(Real(x)/Real(scr->ViewportWidth()),Real(y)/Real(scr->ViewportHeight()), exp(Real(-wheel)/Real(20)));
  75         }
  76 }
  77
  78
  79 void MainLoop(Document & doc, Screen & scr, View & view, int max_frames = -1)
  80 {
  81         // order is important... segfaults occur when screen (which inits GL) is not constructed first -_-
  82
  83
  84         //scr.DebugFontInit("fonts/DejaVuSansMono.ttf", 12);
  85         scr.DebugFontInit("fonts/DejaVuSansMono.ttf", 36);
  86         scr.SetMouseHandler(RatCatcher);
  87
  88         ifstream tmp;
  89         istream * script_input = NULL;
  90         if (script_filename != NULL)
  91         {
  92                 if (strcmp(script_filename, "stdin") == 0)
  93                         script_input = &cin;
  94                 else
  95                 {
  96                         tmp.open(script_filename);
  97                         script_input = &tmp;
  98                 }
  99         }
 100         DebugScript script(script_input);
 101
 102         double total_cpu_time = 0;
 103         double total_gpu_time = 0;
 104         double total_real_time = 0;
 105
 106         // MINGW doesn't support a lot of ctime stuff here
 107         #ifndef __MINGW32__
 108         struct timespec real_clock_start;
 109         struct timespec real_clock_now;
 110         struct timespec real_clock_prev;
 111         clock_gettime(CLOCK_MONOTONIC_RAW, &real_clock_start);
 112         real_clock_now = real_clock_start;
 113         #endif
 114
 115
 116         double frames = 0;
 117         double data_rate = 0; // period between data output to stdout (if <= 0 there will be no output)
 118         uint64_t data_points = 0;
 119         setbuf(stdout, NULL);
 120         int frame_number = 0;
 121         while (scr.PumpEvents() && (max_frames < 0 || frame_number++ < max_frames))
 122         {
 123                 #ifndef __MINGW32__
 124                 real_clock_prev = real_clock_now;
 125                 #endif
 126                 ++frames;
 127                 scr.Clear();
 128                 //view.ForceBoundsDirty();
 129                 //view.ForceBufferDirty();
 130                 //view.ForceRenderDirty();
 131
 132                 if (script_filename)
 133                 {
 134                         if (script.Execute(&view, &scr))
 135                                 return;
 136                 }
 137
 138                 view.Render(scr.ViewportWidth(), scr.ViewportHeight());
 139
 140                 double cpu_frame = scr.GetLastFrameTimeCPU();
 141                 double gpu_frame = scr.GetLastFrameTimeGPU();
 142                 total_cpu_time += cpu_frame; total_gpu_time += gpu_frame;
 143
 144                 #ifndef __MINGW32__
 145                 clock_gettime(CLOCK_MONOTONIC_RAW, &real_clock_now);
 146                 double real_frame = (real_clock_now.tv_sec - real_clock_prev.tv_sec) + 1e-9*(real_clock_now.tv_nsec - real_clock_prev.tv_nsec);
 147                 #else
 148                 double real_frame = cpu_frame;
 149                 #endif
 150
 151                 total_real_time += real_frame;
 152                 if (data_rate > 0 && total_real_time > data_rate*(data_points+1))
 153                 {
 154                         printf("%lu\t%f\t%f\t%f\t%f\t%f\t%f\n", (long unsigned int)frames, total_real_time, total_cpu_time, total_gpu_time, real_frame, cpu_frame, gpu_frame);
 155                         data_points++;
 156                 }
 157
 158
 159
 160                 scr.DebugFontPrintF("%s\n", program_name);
 161                 scr.DebugFontPrintF("Top Left: (%s,%s)\n", Str(view.GetBounds().x).c_str(),Str(view.GetBounds().y).c_str());
 162                 scr.DebugFontPrintF("Width: %s\n", Str(view.GetBounds().w).c_str());
 163                 Real zoom(100);
 164                 zoom = zoom/Real(view.GetBounds().w);
 165                 scr.DebugFontPrintF("Zoom: %s %%\n", Str(zoom).c_str());
 166                 scr.DebugFontPrintF("Similar size: %s\n", HumanScale(ClampFloat(Double(view.GetBounds().w))));
 167
 168                 #if 0
 169                 scr.DebugFontPrintF("Rendered frame %lu\n", (uint64_t)frames);
 170                 scr.DebugFontPrintF("Lazy Rendering = %d\n", view.UsingLazyRendering());
 171                 if (cpu_frame > 0 && total_cpu_time > 0)
 172                         scr.DebugFontPrintF("[CPU] Render took %lf ms (%lf FPS) (total %lf s, avg FPS %lf)\n", cpu_frame*1e3, 1.0/cpu_frame, total_cpu_time,frames/total_cpu_time);
 173                 if (gpu_frame > 0 && total_gpu_time > 0)
 174                         scr.DebugFontPrintF("[GPU] Render took %lf ms (%lf FPS) (total %lf s, avg FPS %lf)\n", gpu_frame*1e3, 1.0/gpu_frame, total_gpu_time, frames/total_gpu_time);
 175
 176                 if (real_frame > 0 && total_real_time > 0)
 177                         scr.DebugFontPrintF("[REALTIME] Render took %lf ms (%lf FPS) (total %lf s, avg FPS %lf)\n", real_frame*1e3, 1.0/real_frame, total_real_time,frames/total_real_time);
 178
 179                 //scr.DebugFontPrintF("View bounds: %s\n", view.GetBounds().Str().c_str());
 180                 scr.DebugFontPrintF("type of Real == %s\n", g_real_name[REALTYPE]);
 181                 //#if REALTYPE == REAL_MPFRCPP
 182                 //      scr.DebugFontPrintf("Precision: %s\nRounding: %s\n");
 183                 //#endif
 184
 185                 #ifdef TRANSFORM_OBJECTS_NOT_VIEW
 186                 scr.DebugFontPrint("Doing cumulative coordinate transforms on Objects.\n");
 187                 #else
 188                 if (view.UsingGPUTransform())
 189                 {
 190                         scr.DebugFontPrint("Doing coordinate transform on the GPU.\n");
 191                 }
 192                 else
 193                 {
 194                         scr.DebugFontPrint("Doing coordinate transform on the CPU.\n");
 195                 }
 196                 #endif
 197
 198                 #ifdef TRANSFORM_BEZIERS_TO_PATH
 199                         scr.DebugFontPrint("Beziers have been transformed to Path\n");
 200                 #endif
 201
 202
 203                 if (view.UsingGPURendering())
 204                 {
 205                         scr.DebugFontPrint("Doing rendering using GPU.\n");
 206                 }
 207                 else
 208                 {
 209                         scr.DebugFontPrint("Doing rendering using CPU.\n");
 210                 }
 211                 #endif // 0
 212
 213                 scr.Present();
 214
 215                 if (make_movie)
 216                 {
 217                         std::stringstream s;
 218                         s << "frame" << frames << ".bmp";
 219                         scr.ScreenShot(s.str().c_str());
 220                 }
 221
 222         }
 223 }