main.cpp

#include "uxdevice.hpp"

using namespace std;
using namespace uxdevice;

void drawText(platform &vis, double dStep, bool bfast);
void drawshapes(platform &vis, double dStep);
void drawimages(platform &vis, double dStep);

void eventDispatch(const event &evt);
void handleError(const std::string errText) {
  fprintf(stderr, "%s", errText.data());
}

// inline PNG data using the RFC2397 base 64 encoding scheme.
// This may be useful in some cases, yet raw byte data will be smaller in memory
// description but larger in the source description perhaps unless the c++ RAW
// literanl input format is used for literal string data.
const char *stripes =
    "data:image/"
    "png;base64,iVBORw0KGgoAAAANSUhEUgAAACsAAAARCAYAAABEvFULAAAABmJLR0QA/wD/"
    "AP+"
    "gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH5AQZFBsOzDGg0AAABQZJREFUSMe"
    "llttvVFUUxn9r98x0oLRAW8pNLKUBrG1pC3ItEIqAQNSoGCEQQQNG/"
    "gvfjD74QIwmPpCIGgWCJiogQaQgUAWDUC4lpUCBWq51GEovM9Nz9vLhdJiZthQMK5mH2Ze1v"
    "rXWt759ZMtW52Z3F6PFgOn9Jcx1wXOT/"
    "wPB9P1UcxxYstJQkLsIS4RvvvwbgMwQLHvZ0NqiXG9W7kfQ7i7/"
    "fCAIBaNFSiuEvLyxBGQqrl5j357L3Lnln0ngmFIiyOdfO3bWPEP4X+"
    "XiBSUWTQKYPlt4vmQmRvJAY5w5X8v5eiURrK9ZC8EgxOPJpFzXP5tfALl5wsg8wfOUC2eV+"
    "5Gkn564f/"
    "aFuUJl1WQaG5u41qxEwhCL+"
    "r7l488cm6iM40A0mg4kFoW31huyh1Yi5CCEuH5jP8ePWh60Dww6FfyUEmHaDCEzMJYMGQ0Yh"
    "KEIQ4npr/"
    "zyo0esN6brQmeHf7dihjC9qhohBDh4XEVauoNeppkDBAGLp618v+OypFY4USHwg8+"
    "cZwhKNY1NRzhxTHlSS/hQC5MmCwtrSjDkI6RnfPpsLQ31SmcHbHg/"
    "m4BU+Em2RvO8wwfauXtbJdVhKhcTrXzU3tNYIAjViwzjxz2HIT9tr7HpCHWHFWNg3bvjkQ+"
    "3+DSYWCxUzBDNHTlBRbJR7aSh4ar8dUxFTP92DwbUWn8wrU2uGQMD+UmtenaOX/"
    "HSCiFkFgEGxeWXvYdouwNyIzrWO3miTe7dU7KzhbnVUzWZoQNYLGH2/"
    "HROIuEnr1ZRsTBndo0qcZQ44GL1AUoHFxpuyfEjfsUCwf6JpiaZKAyAfPSpYzMcP/"
    "NEpRYsNhQWZXL2dJQZVTUKcPRYrVxpenJ+"
    "JgIuf9UwJn9x70WLkkDiz0dLSzMH9loZTBYTJp984TzMIzcfhgwRrjUrnutrpOtCeZVwqVHp"
    "if9/Tib43qupjBqDFhaJZA0pxJFiFFfBlXB7HQf2Wjo7BqZKIAiyc1/"
    "A5hX4OldeOYyAVGmk46hkZQ1n+7Z7TzU8rtv/"
    "oUl9bHJGwJtrpmAYB1iEIM3XD1K73w44I3I3tsxTXJQOlDiq3VhusX9Pp4Tb+"
    "svOYLra19ZsGKJnT0el/qQ+8l5PHNa/"
    "NwpHSlLT4VDtHzRfTr8nu48G7LlTPqXEPBpQaYXotMpxcrzuBq0t6S/doywWhU2b56mnt/"
    "lq62UZTAne3jgeR4pTVg2eXuPwwau03fXjmcbzSiDocyLxig1k9SdVhJBWV1fr6jVLNL/"
    "g8WAzQ+BqE44UMiK3P8DqRQZr/ZjfbWtF6UgdUTJkAotfXMCq1cX0xCHjpVfMB0/"
    "SUmPgYuM9KS2bBMSZPPlZyiqU0kqPCUWeRMJK+/3+/"
    "Gxq7JKysiJi7lW5fbOP7gqsfC1Lz5zqERG40HCTsvLCvpFpunSaG/"
    "+AGeg5HKytu3YekrZInQghMqSQgFSRP2K+rli5UN/ZNF3fWGs0lSId7eBxh/"
    "Lycu1LnStNSlDmsmqtUWt9/"
    "loi6XKFw5+9mmwSmjh2vLBuY4b2FeS+1t0FP++y7Nh+QO6GfdBge6d5KFnB+"
    "WzcPF1HjUlKjqfNZJDPMxPTfamFHq1nWGg+r68xCrDz2zPpdNHmh5+"
    "pBmD0OFi6tEaDMpspJfJYSjiOX+XdP/"
    "igw+11JJvkg16xfLFmhvyVSxe7RLHMmmfIGZHs4LAcej9SXOp+t5JQh4O/HektABgZ/"
    "jDuf4YrMMm0cOGnAAAAAElFTkSuQmCC";

// inline SVG, you may build this at run time or parameterize certain aspects
// of the style or and of its data. Not all of the blocks below are required,
// such as meta data. The parsing is fast, however the information is still
// transposed from text. The biggest slowdowns are the effects that use the
// Gaussian blur functions. This uses the RSVG api for its rendering and
// parsing. Files may be drawn in the inkscape application and transposed at
// this layer.
std::string sSVG =
    R"data(<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:cc="http://creativecommons.org/ns#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:svg="http://www.w3.org/2000/svg"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:xlink="http://www.w3.org/1999/xlink"
   id="svg8"
   version="1.1"
   viewBox="0 0 210 297"
   height="297mm"
   width="210mm">
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    <linearGradient
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    <linearGradient
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  <metadata
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    <rdf:RDF>
      <cc:Work
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        <dc:format>image/svg+xml</dc:format>
        <dc:type
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        <dc:title></dc:title>
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/****************************************************************************************************
***************************************************************************************************/
#if defined(__linux__)
int main(int argc, char **argv) {
  // handle command line here...
#elif defined(_WIN64)
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE /* hPrevInstance */,
                   LPSTR lpCmdLine, int /* nCmdShow */) {
  // command line
#endif

  // create the main window area. This may this is called a Viewer object.
  // The main browsing window. It is an element as well.
  auto vis = platform(eventDispatch, handleError);

  // starts rendering and message threads
  // parameter notes frame per second
  vis.startProcessing();
  std::random_device rd;
  std::mt19937 gen(rd());

  std::uniform_int_distribution<> motime(500, 5000);

  std::uniform_real_distribution<> color(0, 1.0);
  std::uniform_real_distribution<> opac(.9, 1.0);

  std::uniform_real_distribution<> coord(25.0, 100.0);
  std::uniform_real_distribution<> ang(-10, 10);
#define _C color(gen)
#define _A opac(gen)

  vis.openWindow(
      "Information Title", 500, 600,
      Paint(coord(gen), coord(gen), coord(gen), coord(gen),
            {{_C, _C, _C, _C, 1}, {_C, _C, _C, _C, 1}, {_C, _C, _C, _C, 1}}));

  // drawshapes(vis, 1);
  drawimages(vis, 1);
  // drawText(vis, 1, false);

  // clients are free to continue processing
  // the vis.processing() is used to catch the program from exiting
  // when the user closes the window, the switch will be false
  double dStep = 1;
  // measure processing time
  thread_local std::chrono::system_clock::time_point start =
      std::chrono::high_resolution_clock::now();


//==========================================
// test apparatus
#define ANIMATE_SLEEP 100
#define DRAW_SLEEP 1000

#define ANIMATE_BACKGROUND
#define FRAME_CHANGE
#define SHAPES
//#define IMAGES
#define TEXT
#define FAST_TEXT true

#define ANIMATE_EASE 1.007


#define NUM_SHAPES 100
#define NUM_IMAGES 10

//================================================

#ifdef ANIMATE_BACKGROUND
  std::thread thr([&vis, &motime, &coord, &ang, &color, &gen]() {
    std::size_t mtime = motime(gen);
    Paint p =
        Paint(coord(gen), coord(gen), coord(gen), coord(gen),
              {{_C, _C, _C, _C, 1}, {_C, _C, _C, _C, 1}, {_C, _C, _C, _C, 1}});
    double a = ang(gen);
    while (vis.processing()) {

      std::chrono::system_clock::time_point end =
          std::chrono::high_resolution_clock::now();

      if (std::chrono::duration_cast<std::chrono::milliseconds>(end - start)
              .count() > mtime) {
        p = Paint(
            coord(gen), coord(gen), coord(gen), coord(gen),
            {{_C, _C, _C, _C, 1}, {_C, _C, _C, _C, 1}, {_C, _C, _C, _C, 1}});
        start = std::chrono::high_resolution_clock::now();
        a = ang(gen);
        mtime = motime(gen);
      }

      p.rotate(PI / 180 * a);
      a = a / ANIMATE_EASE;
      vis.surfaceBrush(p);
      vis.notifyComplete();

      std::this_thread::sleep_for(std::chrono::milliseconds(ANIMATE_SLEEP));

    }
  });

  thr.detach();
#endif

#ifdef SHAPES
    drawshapes(vis, 1);
#endif

#ifdef TEXT
    drawText(vis, 1, false);
#endif

#ifdef IMAGES
    drawimages(vis, 1);
#endif
vis.notifyComplete();
  while (vis.processing()) {
#if defined(FRAME_CHANGE)
#if defined(SHAPES) || defined(TEXT) || defined(IMAGES)
    vis.clear();
#endif

#ifdef SHAPES
    drawshapes(vis, 1);
#endif

#ifdef TEXT
    drawText(vis, 1, FAST_TEXT);
#endif

#ifdef IMAGES
    drawimages(vis, 1);
#endif

#if defined(SHAPES) || defined(TEXT) || defined(IMAGES)
    vis.notifyComplete();
#endif
#endif
    std::this_thread::sleep_for(std::chrono::milliseconds(DRAW_SLEEP));
  }

  return 0;
}

// events such as mouse and keyboard input are distributed here.
// The area named during the event is tied to the mouse and keyboard
// focus input.
void eventDispatch(const event &evt) {}

void drawText(platform &vis, double dStep, bool bfast) {
  std::random_device rd;
  std::mt19937 gen(rd());
  std::uniform_real_distribution<> scrn(0, 400.0);
  std::uniform_real_distribution<> dcir(25.0, 100.0);
  std::uniform_real_distribution<> color(.5, 1.0);
  std::uniform_real_distribution<> opac(.7, 1);
  std::uniform_real_distribution<> lw(0, 10.0);
  std::uniform_real_distribution<> coord(425.0, 600.0);
  std::uniform_int_distribution<> shape(1, 4);
  vis.area(scrn(gen), scrn(gen), coord(gen), coord(gen), dcir(gen), dcir(gen));

#define _C color(gen)
#define _A opac(gen)

  vis.background(
      coord(gen), coord(gen), coord(gen), coord(gen),
      {{_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}});

  vis.pen(coord(gen), coord(gen), coord(gen), coord(gen),
          {{_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}});
  vis.lineWidth(lw(gen));

  // area is a rounded box 120,120 are the corner pixel sizes.
  // rectangle is x-0,y=0 width=800, height = 600
  // vis.rotate(PI / 180 * (-35 - (dStep * 35)));
  // vis.drawArea();
  std::uniform_int_distribution<> info(1, 5);
  switch (info(gen)) {
  case 1:
    vis.text("Silver colored crafts from another galaxy seem "
             "curiously welcomed as the memorizing audio waves "
             "produced a canny type of music. A simple ten note. ");
    break;
  case 2:
    vis.text(
        "The color of text can be a choice. Yet the appearance is a common "
        "desire.");
    break;
  case 3:
    vis.text("Planets orbit the mass, but this is inconsequential of "
             "the heat provided. As children, we find a balance. ");
    break;
  case 4:
    vis.text("The sun sets casting its refraction upon the mountain side. ");
    break;
  case 5:
    vis.text(
        "The sun sets casting its refraction upon the mountain side. "
        "The glistening oil coats upon the ravens are a remark of healthiness. "
        "One that is pronounced during the day and in the moonlight. "
        "At home, a cave dweller sees this all at once. These are indeed fine "
        "things. "
        "The warmth of the sun decays as thousands of brilliant stars dictate "
        "the continual persistence of the system.  A remarkable sight. A "
        "heavenly "
        "home.");
    break;
  }

  // set the font name according to pango spi. see pango font description.
  vis.font("50px");
  std::uniform_int_distribution<> fill(1, 2);

  if (bfast) {
    vis.pen(coord(gen), coord(gen), coord(gen), coord(gen),
            {{_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}});

  } else {
    vis.textShadow("black");
    vis.textAlignment(alignment::left);

    vis.textFill(
        coord(gen), coord(gen), coord(gen), coord(gen),
        {{_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}});
    // vis.textFill(stripes);

    vis.textOutline(
        coord(gen), coord(gen), coord(gen), coord(gen),
        {{_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}});
  }

  vis.drawText();
}

void drawshapes(platform &vis, double dStep) {
  for (int c = 0; c < NUM_SHAPES; c++) {
    std::random_device rd;
    std::mt19937 gen(rd());
    std::uniform_real_distribution<> scrn(0, 1000);
    std::uniform_real_distribution<> dcir(5.0, 20.0);
    std::uniform_real_distribution<> dimen(25.0, 300.0);
    std::uniform_real_distribution<> color(0, 1.0);
    std::uniform_real_distribution<> opac(.5, 1);
    std::uniform_real_distribution<> lw(7, 30.0);
    std::uniform_real_distribution<> coord(55.0, 100.0);
    std::uniform_int_distribution<> shape(1, 4);
    switch (shape(gen)) {
    case 1:
      vis.areaCircle(scrn(gen), scrn(gen), dimen(gen));
      break;
    case 2:
      vis.areaEllipse(scrn(gen), scrn(gen), dimen(gen), dimen(gen));
      break;
    case 3:
      vis.area(scrn(gen), scrn(gen), dimen(gen), dimen(gen), dcir(gen),
               dcir(gen));
      break;
    case 4:
      vis.area(scrn(gen), scrn(gen), dimen(gen), dimen(gen));
      break;
    }
#define _C color(gen)
#define _A opac(gen)

    vis.background(
        coord(gen), coord(gen), coord(gen), coord(gen),
        {{_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}});

    vis.pen(coord(gen), coord(gen), coord(gen), coord(gen),
            {{_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}, {_C, _C, _C, _C, _A}});
    vis.lineWidth(lw(gen));
    vis.drawArea();
  }
}

void drawimages(platform &vis, double dStep) {
  for (int i = 0; i < NUM_IMAGES; i++) {
    std::random_device rd;
    std::mt19937 gen(rd());
    std::uniform_real_distribution<> scrn(0, 600);
    std::uniform_real_distribution<> dcir(25.0, 100.0);
    std::uniform_real_distribution<> color(0, 1.0);
    std::uniform_real_distribution<> opac(.3, .6);
    std::uniform_real_distribution<> lw(2, 10.0);
    std::uniform_real_distribution<> coord(255.0, 1000.0);
    std::uniform_int_distribution<> shape(1, 4);
    switch (shape(gen)) {
    case 1:
      vis.areaCircle(scrn(gen), scrn(gen), dcir(gen));
      break;
    case 2:
      vis.areaEllipse(scrn(gen), scrn(gen), dcir(gen), dcir(gen));
      break;
    case 3:
      vis.area(scrn(gen), scrn(gen), coord(gen), coord(gen), dcir(gen),
               dcir(gen));
      break;
    case 4:
      vis.area(scrn(gen), scrn(gen), coord(gen), coord(gen));
      break;
    }

    std::uniform_int_distribution<> imgname(1, 7);
    switch (imgname(gen)) {
    case 1:
      vis.image("/home/anthony/development/platform/image/23.svg");
      break;
    case 2:
      vis.image("/home/anthony/development/platform/image/art.png");
      break;
    case 3:
      vis.image("/home/anthony/development/platform/image/bug.png");
      break;
    case 4:
      vis.image("/home/anthony/development/platform/image/bugu.png");
      break;
    case 5:
      vis.image(stripes);
      break;
    case 6:
      vis.image(sSVG);
      break;
    case 7:
      vis.image("/home/anthony/development/platform/image/starbubble.svg");
      break;
    }
    vis.drawImage();
  }
}