Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
#include "stdfx.h"
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#include "tfxparam.h"
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#include "ttzpimagefx.h"
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#include "timage_io.h"
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//=============================================================================
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class TileFx final : public TStandardRasterFx {
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  FX_PLUGIN_DECLARATION(TileFx)
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  enum tilingMode { eTile = 1, eTileHorizontally = 2, eTileVertically = 3 };
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  TRasterFxPort m_input;
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  TIntEnumParamP m_mode;
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  TBoolParamP m_xMirror;
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  TBoolParamP m_yMirror;
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  TDoubleParamP m_margin;
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public:
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  TileFx();
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  ~TileFx();
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  bool doGetBBox(double frame, TRectD &bBox,
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                 const TRenderSettings &info) override;
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  bool canHandle(const TRenderSettings &info, double frame) override;
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  void doCompute(TTile &tile, double frame, const TRenderSettings &ri) override;
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  int getMemoryRequirement(const TRectD &rect, double frame,
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                           const TRenderSettings &info) override;
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  void transform(double frame, int port, const TRectD &rectOnOutput,
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                 const TRenderSettings &infoOnOutput, TRectD &rectOnInput,
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                 TRenderSettings &infoOnInput) override;
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private:
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  void makeTile(const TTile &inputTile, const TTile &tile) const;
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};
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//------------------------------------------------------------------------------
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TileFx::TileFx()
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    : m_mode(new TIntEnumParam(eTile, "Tile"))
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    , m_xMirror(false)
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    , m_yMirror(false)
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    , m_margin(-1.0) {
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  m_margin->setMeasureName("fxLength");
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  addInputPort("Source", m_input);
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  bindParam(this, "mode", m_mode);
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  bindParam(this, "xMirror", m_xMirror);
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  bindParam(this, "yMirror", m_yMirror);
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  bindParam(this, "margin", m_margin);
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  m_mode->addItem(eTileHorizontally, "Tile Horizontally");
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  m_mode->addItem(eTileVertically, "Tile Vertically");
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}
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//------------------------------------------------------------------------------
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TileFx::~TileFx() {}
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//------------------------------------------------------------------------------
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bool TileFx::canHandle(const TRenderSettings &info, double frame) {
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  // Currently, only affines which transform the X and Y axis into themselves
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  // may
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  // be handled by this fx...
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  return (fabs(info.m_affine.a12) < 0.0001 &&
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          fabs(info.m_affine.a21) < 0.0001) ||
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         (fabs(info.m_affine.a11) < 0.0001 && fabs(info.m_affine.a22) < 0.0001);
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}
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//------------------------------------------------------------------------------
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bool TileFx::doGetBBox(double frame, TRectD &bBox,
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                       const TRenderSettings &info) {
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  if (m_input.isConnected()) {
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    bBox = TConsts::infiniteRectD;
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    return true;
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  } else {
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    bBox = TRectD();
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    return false;
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  }
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}
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//------------------------------------------------------------------------------
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void TileFx::transform(double frame, int port, const TRectD &rectOnOutput,
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                       const TRenderSettings &infoOnOutput, TRectD &rectOnInput,
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                       TRenderSettings &infoOnInput) {
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  infoOnInput = infoOnOutput;
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  if (!m_input.isConnected()) {
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    rectOnInput.empty();
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    return;
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  }
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  TRectD inputBox;
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  m_input->getBBox(frame, inputBox, infoOnOutput);
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  double scale = sqrt(fabs(infoOnOutput.m_affine.det()));
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  int margin   = m_margin->getValue(frame) * scale;
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  inputBox     = inputBox.enlarge(margin);
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  if (inputBox.isEmpty()) {
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    rectOnInput.empty();
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    return;
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  }
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  if (inputBox == TConsts::infiniteRectD) {
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    infoOnInput = infoOnOutput;
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    return;
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  }
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  TDimensionD size(0, 0);
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  size.lx     = tceil(inputBox.getLx());
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  size.ly     = tceil(inputBox.getLy());
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  rectOnInput = TRectD(inputBox.getP00(), size);
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}
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//------------------------------------------------------------------------------
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int TileFx::getMemoryRequirement(const TRectD &rect, double frame,
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                                 const TRenderSettings &info) {
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  if (!m_input.isConnected()) return 0;
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  TRectD inputBox;
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  m_input->getBBox(frame, inputBox, info);
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  double scale = sqrt(fabs(info.m_affine.det()));
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  int margin   = m_margin->getValue(frame) * scale;
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  inputBox     = inputBox.enlarge(margin);
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  return TRasterFx::memorySize(inputBox, info.m_bpp);
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}
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//------------------------------------------------------------------------------
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void TileFx::doCompute(TTile &tile, double frame, const TRenderSettings &ri) {
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  if (!m_input.isConnected()) return;
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  TRectD inputBox;
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  m_input->getBBox(frame, inputBox, ri);
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  double scale = sqrt(fabs(ri.m_affine.det()));
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  int margin   = m_margin->getValue(frame) * scale;
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  inputBox     = inputBox.enlarge(margin);
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  if (inputBox.isEmpty()) return;
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  if (inputBox == TConsts::infiniteRectD) {
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    m_input->compute(tile, frame, ri);
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    return;
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  }
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  TDimension size(0, 0);
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  size.lx = tceil(inputBox.getLx());
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  size.ly = tceil(inputBox.getLy());
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  TTile inputTile;
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  m_input->allocateAndCompute(inputTile, inputBox.getP00(), size,
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                              tile.getRaster(), frame, ri);
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  makeTile(inputTile, tile);
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}
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//------------------------------------------------------------------------------
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//! Make the tile of the image contained in \b inputTile in \b tile
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/*
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 */
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void TileFx::makeTile(const TTile &inputTile, const TTile &tile) const {
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  // Build the mirroring pattern. It obviously repeats itself out of 2x2 tile
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  // blocks.
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  std::map<std::pair<bool, bool="">, TRasterP> mirrorRaster;</std::pair<bool,>
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  mirrorRaster[std::pair<bool, bool="">(false, false)] = inputTile.getRaster();</bool,>
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  mirrorRaster[std::pair<bool, bool="">(false, true)] =</bool,>
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      inputTile.getRaster()->clone();
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  mirrorRaster[std::pair<bool, bool="">(false, true)]->yMirror();</bool,>
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  mirrorRaster[std::pair<bool, bool="">(true, false)] =</bool,>
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      inputTile.getRaster()->clone();
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  mirrorRaster[std::pair<bool, bool="">(true, false)]->xMirror();</bool,>
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  mirrorRaster[std::pair<bool, bool="">(true, true)] =</bool,>
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      mirrorRaster[std::pair<bool, bool="">(true, false)]->clone();</bool,>
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  mirrorRaster[std::pair<bool, bool="">(true, true)]->yMirror();</bool,>
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  TPoint animatedPos = convert(inputTile.m_pos - tile.m_pos);
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  TDimension inSize  = inputTile.getRaster()->getSize();
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  TDimension outSize = tile.getRaster()->getSize();
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  bool mirrorX = false, mirrorY = false;
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  int mode             = m_mode->getValue();
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  bool tileOrizontally = mode == 1 || mode == 2;
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  bool tileVertically  = mode == 1 || mode == 3;
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  // Reach the lower left tiling position
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  while (animatedPos.x > 0 && tileOrizontally) {
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    animatedPos.x -= inSize.lx;
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    mirrorX = !mirrorX;
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  }
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  while (animatedPos.x + inSize.lx < 0 && tileOrizontally) {
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    animatedPos.x += inSize.lx;
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    mirrorX = !mirrorX;
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  }
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  while (animatedPos.y > 0 && tileVertically) {
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    animatedPos.y -= inSize.ly;
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    mirrorY = !mirrorY;
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  }
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  while (animatedPos.y + inSize.ly < 0 && tileVertically) {
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    animatedPos.y += inSize.ly;
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    mirrorY = !mirrorY;
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  }
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  bool doMirroX = mirrorX, doMirroY = mirrorY;
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  // Write the tiling blocks.
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  tile.getRaster()->lock();
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  inputTile.getRaster()->lock();
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  TPoint startTilingPos = animatedPos;
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  do {
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    do {
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      std::pair<bool, bool=""> doMirror(doMirroX && m_xMirror->getValue(),</bool,>
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                                     doMirroY && m_yMirror->getValue());
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      tile.getRaster()->copy(mirrorRaster[doMirror], startTilingPos);
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      startTilingPos.x += inSize.lx;
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      doMirroX = !doMirroX;
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    } while (startTilingPos.x < outSize.lx && tileOrizontally);
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    startTilingPos.y += inSize.ly;
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    startTilingPos.x = animatedPos.x;
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    doMirroY         = !doMirroY;
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    doMirroX         = mirrorX;
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  } while (startTilingPos.y < outSize.ly && tileVertically);
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  inputTile.getRaster()->unlock();
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  tile.getRaster()->unlock();
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}
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//------------------------------------------------------------------------------
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FX_PLUGIN_IDENTIFIER(TileFx, "tileFx");