1 files changed, 181 insertions, 0 deletions

@@ -0,0 +1,181 @@
+#include "designer.h"
+#include <dirent.h>
+#include <sstream>
+#include <iostream>
+
+designer::designer(
+  std::string imagesDir) :
+    colDist_ {0, 1, 100, 30, 5, 1, 1}
+{
+  DIR* imgdir;
+  struct dirent* ent;
+  if ((imgdir = opendir(imagesDir.c_str())) == nullptr)
+  {
+    throw std::invalid_argument("Couldn't find images");
+  }
+
+  int maxStripLen = 0;
+  std::map<int, int> stripLength;
+
+  while ((ent = readdir(imgdir)) != nullptr)
+  {
+    std::string dname(ent->d_name);
+    std::stringstream nameParse;
+    int stripNum;
+    int panelNum;
+    char sep;
+    std::string ext;
+
+    nameParse << dname;
+
+    if (nameParse >> stripNum &&
+        nameParse >> sep &&
+        nameParse >> panelNum &&
+        nameParse >> ext &&
+        ext == ".png")
+    {
+      if (!stripLength.count(stripNum) || stripLength[stripNum] < panelNum)
+      {
+        stripLength[stripNum] = panelNum;
+      }
+
+      if (panelNum > maxStripLen)
+      {
+        maxStripLen = panelNum;
+      }
+
+      comics_[stripNum][panelNum] = imagesDir + "/" + dname;
+    }
+  }
+
+  closedir(imgdir);
+
+  std::vector<int> lenHist(maxStripLen, 0);
+  for (const auto& mapping : stripLength)
+  {
+    lenHist[mapping.second]++;
+  }
+
+  lenDist_ =
+    std::discrete_distribution<int>(
+      std::begin(lenHist),
+      std::end(lenHist));
+}
+
+Magick::Image designer::generate(std::mt19937& rng) const
+{
+  int numPanels = lenDist_(rng);
+  std::vector<Magick::Image> panels;
+
+  int numCols = std::min(colDist_(rng), numPanels);
+
+  int curCol = 0;
+  int numRows = 0;
+  int curRowWidth = 0;
+  int maxRowWidth = 0;
+
+  std::map<int, int> rowHeight;
+  int curRowHeight = 0;
+
+  for (int i = 0; i < numPanels; i++)
+  {
+    if (curCol == 0)
+    {
+      numRows++;
+    }
+
+    std::uniform_int_distribution<int> stripPick(1, comics_.size());
+    int stripNum = stripPick(rng);
+    const auto& strip = comics_.at(stripNum);
+
+    size_t low = i / static_cast<double>(numPanels) * strip.size();
+    size_t high = (i+1) / static_cast<double>(numPanels) * strip.size();
+    std::uniform_int_distribution<int> panelPick(
+      low,
+      std::min(high, strip.size() - 1));
+
+    int panelNum = panelPick(rng) + 1;
+    const std::string& panel = strip.at(panelNum);
+
+    std::cout << panel << std::endl;
+
+    Magick::Image curfile(panel);
+    curfile.borderColor("black");
+    curfile.backgroundColor("black");
+
+    if (std::bernoulli_distribution(1.0 / 50.0)(rng))
+    {
+      std::normal_distribution<double> rotDist(0.0, 20.0);
+      double rotAmt = rotDist(rng);
+
+      curfile.rotate(rotAmt);
+    }
+
+    if (std::bernoulli_distribution(1.0 / 2.0)(rng))
+    {
+      std::geometric_distribution<unsigned int> borderDist(1.0 / 8.0);
+      curfile.border(
+        Magick::Geometry{
+          borderDist(rng),
+          borderDist(rng)});
+    }
+
+    curRowWidth += curfile.columns();
+
+    if (curfile.rows() > curRowHeight)
+    {
+      curRowHeight = curfile.rows();
+    }
+
+    panels.emplace_back(std::move(curfile));
+
+    curCol++;
+
+    if (curCol >= numCols || (i == numPanels - 1))
+    {
+      if (curRowWidth > maxRowWidth)
+      {
+        maxRowWidth = curRowWidth;
+      }
+
+      rowHeight[numRows - 1] = curRowHeight;
+
+      curCol = 0;
+      curRowWidth = 0;
+      curRowHeight = 0;
+    }
+  }
+
+  int fileHeight = 0;
+  for (const auto& mapping : rowHeight)
+  {
+    fileHeight += mapping.second;
+  }
+
+  Magick::Image result{
+    Magick::Geometry(maxRowWidth, fileHeight),
+    "black"};
+
+  int curx = 0;
+  int cury = 0;
+  int thisCol = 0;
+  int thisRow = 0;
+  for (const Magick::Image& panel : panels)
+  {
+    if (thisCol == numCols)
+    {
+      thisCol = 0;
+      cury += rowHeight.at(thisRow);
+      thisRow++;
+      curx = 0;
+    }
+
+    result.composite(panel, curx, cury);
+
+    curx += panel.columns();
+
+    thisCol++;
+  }
+
+  return result;
+}