Exemplo n.º 1
0
// *****************************************************************************
gbt_link_format::gbt_link_format()
{
    frame_packet[0] = frame_t();
    frame_packet[1] = frame_t();

    return;
}
Exemplo n.º 2
0
void SetLoopSectionCommand::onLoadParams(const Params& params)
{
  std::string action = params.get("action");
  if (action == "on") m_action = Action::On;
  else if (action == "off") m_action = Action::Off;
  else m_action = Action::Auto;

  std::string begin = params.get("begin");
  std::string end = params.get("end");

  m_begin = frame_t(strtol(begin.c_str(), NULL, 10));
  m_end = frame_t(strtol(end.c_str(), NULL, 10));
}
void reverse_frames(Document* doc, const DocumentRange& range)
{
  const app::Context* context = static_cast<app::Context*>(doc->context());
  const ContextReader reader(context);
  ContextWriter writer(reader);
  Transaction transaction(writer.context(), "Reverse Frames");
  DocumentApi api = doc->getApi(transaction);
  Sprite* sprite = doc->sprite();
  frame_t frameBegin, frameEnd;
  int layerBegin, layerEnd;
  bool moveFrames = false;

  switch (range.type()) {
    case DocumentRange::kCels:
      frameBegin = range.frameBegin();
      frameEnd = range.frameEnd();
      layerBegin = range.layerBegin();
      layerEnd = range.layerEnd() + 1;
      break;
    case DocumentRange::kFrames:
      frameBegin = range.frameBegin();
      frameEnd = range.frameEnd();
      moveFrames = true;
      break;
    case DocumentRange::kLayers:
      frameBegin = frame_t(0);
      frameEnd = sprite->totalFrames()-1;
      layerBegin = range.layerBegin();
      layerEnd = range.layerEnd() + 1;
      break;
  }

  if (moveFrames) {
    for (frame_t frameRev = frameEnd+1;
         frameRev > frameBegin;
         --frameRev) {
      api.moveFrame(sprite, frameBegin, frameRev);
    }
  }
  else {
    std::vector<Layer*> layers;
    sprite->getLayersList(layers);

    for (int layerIdx = layerBegin; layerIdx != layerEnd; ++layerIdx) {
      for (frame_t frame = frameBegin,
             frameRev = frameEnd;
           frame != (frameBegin+frameEnd)/2+1;
           ++frame, --frameRev) {
        LayerImage* layer = static_cast<LayerImage*>(layers[layerIdx]);
        api.swapCel(layer, frame, frameRev);
      }
    }
  }

  transaction.commit();
}
Exemplo n.º 4
0
void Sprite::setTotalFrames(frame_t frames)
{
  frames = MAX(frame_t(1), frames);
  m_frlens.resize(frames);

  if (frames > m_frames) {
    for (frame_t c=m_frames; c<frames; ++c)
      m_frlens[c] = m_frlens[m_frames-1];
  }

  m_frames = frames;
}
Exemplo n.º 5
0
Sprite::Sprite(PixelFormat format, int width, int height, int ncolors)
  : Object(ObjectType::Sprite)
  , m_document(NULL)
  , m_format(format)
  , m_width(width)
  , m_height(height)
  , m_frames(1)
  , m_frameTags(this)
{
  ASSERT(width > 0 && height > 0);

  m_frlens.push_back(100);      // First frame with 100 msecs of duration
  m_folder = new LayerFolder(this);

  // Generate palette
  switch (format) {
    case IMAGE_GRAYSCALE: ncolors = 256; break;
    case IMAGE_BITMAP: ncolors = 2; break;
  }

  Palette pal(frame_t(0), ncolors);

  switch (format) {

    // For black and white images
    case IMAGE_GRAYSCALE:
    case IMAGE_BITMAP:
      for (int c=0; c<ncolors; c++) {
        int g = 255 * c / (ncolors-1);
        g = MID(0, g, 255);
        pal.setEntry(c, rgba(g, g, g, 255));
      }
      break;
  }

  // Initial RGB map
  m_rgbMap = NULL;

  // The transparent color for indexed images is 0 by default
  m_transparentColor = 0;

  setPalette(&pal, true);
}
Exemplo n.º 6
0
void reverse_frames(Doc* doc, const DocRange& range)
{
  const app::Context* context = static_cast<app::Context*>(doc->context());
  const ContextReader reader(context);
  ContextWriter writer(reader, 500);
  Transaction transaction(writer.context(), "Reverse Frames");
  DocApi api = doc->getApi(transaction);
  Sprite* sprite = doc->sprite();
  LayerList layers;
  frame_t frameBegin, frameEnd;
  bool moveFrames = false;
  bool swapCels = false;

  switch (range.type()) {
    case DocRange::kCels:
      frameBegin = range.firstFrame();
      frameEnd = range.lastFrame();
      layers = range.selectedLayers().toLayerList();
      swapCels = true;
      break;
    case DocRange::kFrames:
      frameBegin = range.firstFrame();
      frameEnd = range.lastFrame();
      layers = sprite->allLayers();
      moveFrames = true;
      break;
    case DocRange::kLayers:
      frameBegin = frame_t(0);
      frameEnd = sprite->totalFrames()-1;
      layers = range.selectedLayers().toLayerList();
      swapCels = true;
      break;
  }

  if (moveFrames) {
    for (frame_t frameRev = frameEnd+1;
         frameRev > frameBegin;
         --frameRev) {
      api.moveFrame(sprite, frameBegin, frameRev,
                    kDropBeforeFrame,
                    kDontAdjustTags);
    }
  }
  else if (swapCels) {
    for (Layer* layer : layers) {
      if (!layer->isImage())
        continue;

      for (frame_t frame = frameBegin,
             frameRev = frameEnd;
           frame != (frameBegin+frameEnd)/2+1;
           ++frame, --frameRev) {
        if (frame == frameRev)
          continue;

        LayerImage* imageLayer = static_cast<LayerImage*>(layer);
        api.swapCel(imageLayer, frame, frameRev);
      }
    }
  }

  transaction.setNewDocRange(range);
  transaction.commit();
}
static DocumentRange drop_range_op(
  Document* doc, Op op, const DocumentRange& from,
  DocumentRangePlace place, const DocumentRange& to)
{
  if (place != kDocumentRangeBefore &&
      place != kDocumentRangeAfter) {
    ASSERT(false);
    throw std::invalid_argument("Invalid 'place' argument");
  }

  Sprite* sprite = doc->sprite();

  // Check noop/trivial/do nothing cases, i.e., move a range to the same place.
  // Also check invalid cases, like moving a Background layer.
  switch (from.type()) {
    case DocumentRange::kCels:
      if (from == to)
        return from;
      break;
    case DocumentRange::kFrames:
      if (op == Move) {
        if ((to.frameBegin() >= from.frameBegin() && to.frameEnd() <= from.frameEnd()) ||
            (place == kDocumentRangeBefore && to.frameBegin() == from.frameEnd()+1) ||
            (place == kDocumentRangeAfter && to.frameEnd() == from.frameBegin()-1))
          return from;
      }
      break;
    case DocumentRange::kLayers:
      if (op == Move) {
        if ((to.layerBegin() >= from.layerBegin() && to.layerEnd() <= from.layerEnd()) ||
            (place == kDocumentRangeBefore && to.layerBegin() == from.layerEnd()+1) ||
            (place == kDocumentRangeAfter && to.layerEnd() == from.layerBegin()-1))
          return from;

        // We cannot move the background
        for (LayerIndex i = from.layerBegin(); i <= from.layerEnd(); ++i)
          if (sprite->indexToLayer(i)->isBackground())
            throw std::runtime_error("The background layer cannot be moved");

        // Before background
        if (place == kDocumentRangeBefore) {
          Layer* background = sprite->indexToLayer(to.layerBegin());
          if (background && background->isBackground())
            throw std::runtime_error("You cannot move something below the background layer");
        }
      }
      break;
  }

  const char* undoLabel = NULL;
  switch (op) {
    case Move: undoLabel = "Move Range"; break;
    case Copy: undoLabel = "Copy Range"; break;
    default:
      ASSERT(false);
      throw std::invalid_argument("Invalid 'op' argument");
  }
  DocumentRange resultRange;

  {
    const app::Context* context = static_cast<app::Context*>(doc->context());
    const ContextReader reader(context);
    ContextWriter writer(reader);
    Transaction transaction(writer.context(), undoLabel, ModifyDocument);
    DocumentApi api = doc->getApi(transaction);

    // TODO Try to add the range with just one call to DocumentApi
    // methods, to avoid generating a lot of SetCelFrame undoers (see
    // DocumentApi::setCelFramePosition).

    switch (from.type()) {

      case DocumentRange::kCels:
        {
          std::vector<Layer*> layers;
          sprite->getLayersList(layers);

          int srcLayerBegin, srcLayerStep, srcLayerEnd;
          int dstLayerBegin, dstLayerStep;
          frame_t srcFrameBegin, srcFrameStep, srcFrameEnd;
          frame_t dstFrameBegin, dstFrameStep;

          if (to.layerBegin() <= from.layerBegin()) {
            srcLayerBegin = from.layerBegin();
            srcLayerStep = 1;
            srcLayerEnd = from.layerEnd()+1;
            dstLayerBegin = to.layerBegin();
            dstLayerStep = 1;
          }
          else {
            srcLayerBegin = from.layerEnd();
            srcLayerStep = -1;
            srcLayerEnd = from.layerBegin()-1;
            dstLayerBegin = to.layerEnd();
            dstLayerStep = -1;
          }

          if (to.frameBegin() <= from.frameBegin()) {
            srcFrameBegin = from.frameBegin();
            srcFrameStep = frame_t(1);
            srcFrameEnd = from.frameEnd()+1;
            dstFrameBegin = to.frameBegin();
            dstFrameStep = frame_t(1);
          }
          else {
            srcFrameBegin = from.frameEnd();
            srcFrameStep = frame_t(-1);
            srcFrameEnd = from.frameBegin()-1;
            dstFrameBegin = to.frameEnd();
            dstFrameStep = frame_t(-1);
          }

          for (int srcLayerIdx = srcLayerBegin,
                 dstLayerIdx = dstLayerBegin; srcLayerIdx != srcLayerEnd; ) {
            for (frame_t srcFrame = srcFrameBegin,
                   dstFrame = dstFrameBegin; srcFrame != srcFrameEnd; ) {
              LayerImage* srcLayer = static_cast<LayerImage*>(layers[srcLayerIdx]);
              LayerImage* dstLayer = static_cast<LayerImage*>(layers[dstLayerIdx]);

              switch (op) {
                case Move: api.moveCel(srcLayer, srcFrame, dstLayer, dstFrame); break;
                case Copy: api.copyCel(srcLayer, srcFrame, dstLayer, dstFrame); break;
              }

              srcFrame += srcFrameStep;
              dstFrame += dstFrameStep;
            }
            srcLayerIdx += srcLayerStep;
            dstLayerIdx += dstLayerStep;
          }

          resultRange = to;
        }
        break;

      case DocumentRange::kFrames:
        {
          frame_t srcFrameBegin = 0, srcFrameStep, srcFrameEnd = 0;
          frame_t dstFrameBegin = 0, dstFrameStep;

          switch (op) {

            case Move:
              if (place == kDocumentRangeBefore) {
                if (to.frameBegin() <= from.frameBegin()) {
                  srcFrameBegin = from.frameBegin();
                  srcFrameStep = frame_t(1);
                  srcFrameEnd = from.frameEnd()+1;
                  dstFrameBegin = to.frameBegin();
                  dstFrameStep = frame_t(1);
                }
                else {
                  srcFrameBegin = from.frameEnd();
                  srcFrameStep = frame_t(-1);
                  srcFrameEnd = from.frameBegin()-1;
                  dstFrameBegin = to.frameBegin();
                  dstFrameStep = frame_t(-1);
                }
              }
              else if (place == kDocumentRangeAfter) {
                if (to.frameEnd() <= from.frameBegin()) {
                  srcFrameBegin = from.frameBegin();
                  srcFrameStep = frame_t(1);
                  srcFrameEnd = from.frameEnd()+1;
                  dstFrameBegin = to.frameEnd()+1;
                  dstFrameStep = frame_t(1);
                }
                else {
                  srcFrameBegin = from.frameEnd();
                  srcFrameStep = frame_t(-1);
                  srcFrameEnd = from.frameBegin()-1;
                  dstFrameBegin = to.frameEnd()+1;
                  dstFrameStep = frame_t(-1);
                }
              }
              break;

            case Copy:
              if (place == kDocumentRangeBefore) {
                if (to.frameBegin() <= from.frameBegin()) {
                  srcFrameBegin = from.frameBegin();
                  srcFrameStep = frame_t(2);
                  srcFrameEnd = from.frameBegin() + 2*from.frames();
                  dstFrameBegin = to.frameBegin();
                  dstFrameStep = frame_t(1);
                }
                else {
                  srcFrameBegin = from.frameEnd();
                  srcFrameStep = frame_t(-1);
                  srcFrameEnd = from.frameBegin()-1;
                  dstFrameBegin = to.frameBegin();
                  dstFrameStep = frame_t(0);
                }
              }
              else if (place == kDocumentRangeAfter) {
                if (to.frameEnd() <= from.frameBegin()) {
                  srcFrameBegin = from.frameBegin();
                  srcFrameStep = frame_t(2);
                  srcFrameEnd = from.frameBegin() + 2*from.frames();
                  dstFrameBegin = to.frameEnd()+1;
                  dstFrameStep = frame_t(1);
                }
                else {
                  srcFrameBegin = from.frameEnd();
                  srcFrameStep = frame_t(-1);
                  srcFrameEnd = from.frameBegin()-1;
                  dstFrameBegin = to.frameEnd()+1;
                  dstFrameStep = frame_t(0);
                }
              }
              break;
          }

          for (frame_t srcFrame = srcFrameBegin,
                 dstFrame = dstFrameBegin; srcFrame != srcFrameEnd; ) {
            switch (op) {
              case Move: api.moveFrame(sprite, srcFrame, dstFrame); break;
              case Copy: api.copyFrame(sprite, srcFrame, dstFrame); break;
            }
            srcFrame += srcFrameStep;
            dstFrame += dstFrameStep;
          }

          if (place == kDocumentRangeBefore) {
            resultRange.startRange(LayerIndex::NoLayer, frame_t(to.frameBegin()), from.type());
            resultRange.endRange(LayerIndex::NoLayer, frame_t(to.frameBegin()+from.frames()-1));
          }
          else if (place == kDocumentRangeAfter) {
            resultRange.startRange(LayerIndex::NoLayer, frame_t(to.frameEnd()+1), from.type());
            resultRange.endRange(LayerIndex::NoLayer, frame_t(to.frameEnd()+1+from.frames()-1));
          }

          if (op == Move && from.frameBegin() < to.frameBegin())
            resultRange.displace(0, -from.frames());
        }
        break;

      case DocumentRange::kLayers:
        {
          std::vector<Layer*> layers;
          sprite->getLayersList(layers);

          if (layers.empty())
            break;

          switch (op) {

            case Move:
              if (place == kDocumentRangeBefore) {
                for (LayerIndex i = from.layerBegin(); i <= from.layerEnd(); ++i) {
                  api.restackLayerBefore(
                    layers[i],
                    layers[to.layerBegin()]);
                }
              }
              else if (place == kDocumentRangeAfter) {
                for (LayerIndex i = from.layerEnd(); i >= from.layerBegin(); --i) {
                  api.restackLayerAfter(
                    layers[i],
                    layers[to.layerEnd()]);
                }
              }
              break;

            case Copy:
              if (place == kDocumentRangeBefore) {
                for (LayerIndex i = from.layerBegin(); i <= from.layerEnd(); ++i) {
                  api.duplicateLayerBefore(
                    layers[i],
                    layers[to.layerBegin()]);
                }
              }
              else if (place == kDocumentRangeAfter) {
                for (LayerIndex i = from.layerEnd(); i >= from.layerBegin(); --i) {
                  api.duplicateLayerAfter(
                    layers[i],
                    layers[to.layerEnd()]);
                }
              }
              break;
          }

          if (place == kDocumentRangeBefore) {
            resultRange.startRange(LayerIndex(to.layerBegin()), frame_t(-1), from.type());
            resultRange.endRange(LayerIndex(to.layerBegin()+from.layers()-1), frame_t(-1));
          }
          else if (place == kDocumentRangeAfter) {
            resultRange.startRange(LayerIndex(to.layerEnd()+1), frame_t(-1), from.type());
            resultRange.endRange(LayerIndex(to.layerEnd()+1+from.layers()-1), frame_t(-1));
          }

          if (op == Move && from.layerBegin() < to.layerBegin())
            resultRange.displace(-from.layers(), 0);
        }
        break;
    }

    transaction.commit();
  }

  return resultRange;
}
Exemplo n.º 8
0
/**
 * Shows the "New Sprite" dialog.
 */
void NewFileCommand::onExecute(Context* context)
{
  PixelFormat format;
  int w, h, bg, ncolors = get_default_palette()->size();
  char buf[1024];
  app::Color bg_table[] = {
    app::Color::fromMask(),
    app::Color::fromRgb(0, 0, 0),
    app::Color::fromRgb(255, 255, 255),
    app::Color::fromRgb(255, 0, 255)
  };

  // Load the window widget
  app::gen::NewSprite window;

  // Default values: Indexed, 320x240, Background color
  format = static_cast<PixelFormat>(get_config_int("NewSprite", "Type", IMAGE_INDEXED));
  // Invalid format in config file.
  if (format != IMAGE_RGB && format != IMAGE_INDEXED && format != IMAGE_GRAYSCALE) {
    format = IMAGE_INDEXED;
  }
  w = get_config_int("NewSprite", "Width", 320);
  h = get_config_int("NewSprite", "Height", 240);
  bg = get_config_int("NewSprite", "Background", 1); // Default = Black

  if (bg == 4) // Convert old default (Background color) to new default (Black)
    bg = 1;
  bg = MID(0, bg, 3);

  // If the clipboard contains an image, we can show the size of the
  // clipboard as default image size.
  gfx::Size clipboardSize;
  if (clipboard::get_image_size(clipboardSize)) {
    w = clipboardSize.w;
    h = clipboardSize.h;
  }

  window.width()->setTextf("%d", MAX(1, w));
  window.height()->setTextf("%d", MAX(1, h));

  // Select image-type
  switch (format) {
    case IMAGE_RGB:       window.rgbMode()->setSelected(true); break;
    case IMAGE_GRAYSCALE: window.grayscaleMode()->setSelected(true); break;
    case IMAGE_INDEXED:   window.indexedMode()->setSelected(true); break;
  }

  // Select background color
  window.bgBox()->selectIndex(bg);

  // Open the window
  window.openWindowInForeground();

  if (window.getKiller() == window.okButton()) {
    bool ok = false;

    // Get the options
    if (window.rgbMode()->isSelected())
      format = IMAGE_RGB;
    else if (window.grayscaleMode()->isSelected())
      format = IMAGE_GRAYSCALE;
    else if (window.indexedMode()->isSelected())
      format = IMAGE_INDEXED;

    w = window.width()->getTextInt();
    h = window.height()->getTextInt();
    bg = window.bgBox()->getSelectedIndex();

    w = MID(1, w, 65535);
    h = MID(1, h, 65535);

    // Select the color
    app::Color color = app::Color::fromMask();

    if (bg >= 0 && bg <= 3) {
      color = bg_table[bg];
      ok = true;
    }

    if (ok) {
      // Save the configuration
      set_config_int("NewSprite", "Type", format);
      set_config_int("NewSprite", "Width", w);
      set_config_int("NewSprite", "Height", h);
      set_config_int("NewSprite", "Background", bg);

      // Create the new sprite
      ASSERT(format == IMAGE_RGB || format == IMAGE_GRAYSCALE || format == IMAGE_INDEXED);
      ASSERT(w > 0 && h > 0);

      base::UniquePtr<Sprite> sprite(Sprite::createBasicSprite(format, w, h, ncolors));

      if (sprite->pixelFormat() != IMAGE_GRAYSCALE)
        get_default_palette()->copyColorsTo(sprite->palette(frame_t(0)));

      // If the background color isn't transparent, we have to
      // convert the `Layer 1' in a `Background'
      if (color.getType() != app::Color::MaskType) {
        Layer* layer = sprite->folder()->getFirstLayer();

        if (layer && layer->isImage()) {
          LayerImage* layerImage = static_cast<LayerImage*>(layer);
          layerImage->configureAsBackground();

          Image* image = layerImage->cel(frame_t(0))->image();
          doc::clear_image(image,
            color_utils::color_for_target(color,
              ColorTarget(
                ColorTarget::BackgroundLayer,
                sprite->pixelFormat(),
                sprite->transparentColor())));
        }
      }

      // Show the sprite to the user
      base::UniquePtr<Document> doc(new Document(sprite));
      sprite.release();
      sprintf(buf, "Sprite-%04d", ++_sprite_counter);
      doc->setFilename(buf);
      doc->setContext(context);
      doc.release();
    }
  }
}
Exemplo n.º 9
0
int init_module_palette()
{
    ase_default_palette = new Palette(frame_t(0), 256);
    ase_current_palette = new Palette(frame_t(0), 256);
    return 0;
}
Exemplo n.º 10
0
CelsRange Sprite::uniqueCels() const
{
  return CelsRange(this, frame_t(0), lastFrame(), CelsRange::UNIQUE);
}
Exemplo n.º 11
0
CelsRange Sprite::cels() const
{
  return CelsRange(this, frame_t(0), lastFrame());
}
Exemplo n.º 12
0
/**
 * Shows the "New Sprite" dialog.
 */
void NewFileCommand::onExecute(Context* context)
{
  Preferences& pref = Preferences::instance();
  int ncolors = get_default_palette()->size();
  char buf[1024];
  app::Color bg_table[] = {
    app::Color::fromMask(),
    app::Color::fromRgb(255, 255, 255),
    app::Color::fromRgb(0, 0, 0),
  };

  // Load the window widget
  app::gen::NewSprite window;

  // Default values: Indexed, 320x240, Background color
  PixelFormat format = pref.newFile.colorMode();
  // Invalid format in config file.
  if (format != IMAGE_RGB &&
      format != IMAGE_INDEXED &&
      format != IMAGE_GRAYSCALE) {
    format = IMAGE_INDEXED;
  }
  int w = pref.newFile.width();
  int h = pref.newFile.height();
  int bg = pref.newFile.backgroundColor();
  bg = MID(0, bg, 2);

  // If the clipboard contains an image, we can show the size of the
  // clipboard as default image size.
  gfx::Size clipboardSize;
  if (clipboard::get_image_size(clipboardSize)) {
    w = clipboardSize.w;
    h = clipboardSize.h;
  }

  window.width()->setTextf("%d", MAX(1, w));
  window.height()->setTextf("%d", MAX(1, h));

  // Select image-type
  window.colorMode()->setSelectedItem(format);

  // Select background color
  window.bgColor()->setSelectedItem(bg);

  // Advance options
  bool advanced = pref.newFile.advanced();
  window.advancedCheck()->setSelected(advanced);
  window.advancedCheck()->Click.connect(
    base::Bind<void>(
      [&]{
        gfx::Rect bounds = window.bounds();
        window.advanced()->setVisible(window.advancedCheck()->isSelected());
        window.setBounds(gfx::Rect(window.bounds().origin(),
                                   window.sizeHint()));
        window.layout();

        window.manager()->invalidateRect(bounds);
      }));
  window.advanced()->setVisible(advanced);
  if (advanced)
    window.pixelRatio()->setValue(pref.newFile.pixelRatio());
  else
    window.pixelRatio()->setValue("1:1");

  // Open the window
  window.openWindowInForeground();

  if (window.closer() == window.okButton()) {
    bool ok = false;

    // Get the options
    format = (doc::PixelFormat)window.colorMode()->selectedItem();
    w = window.width()->textInt();
    h = window.height()->textInt();
    bg = window.bgColor()->selectedItem();

    static_assert(IMAGE_RGB == 0, "RGB pixel format should be 0");
    static_assert(IMAGE_INDEXED == 2, "Indexed pixel format should be 2");

    format = MID(IMAGE_RGB, format, IMAGE_INDEXED);
    w = MID(1, w, DOC_SPRITE_MAX_WIDTH);
    h = MID(1, h, DOC_SPRITE_MAX_HEIGHT);
    bg = MID(0, bg, 2);

    // Select the color
    app::Color color = app::Color::fromMask();

    if (bg >= 0 && bg <= 3) {
      color = bg_table[bg];
      ok = true;
    }

    if (ok) {
      // Save the configuration
      pref.newFile.width(w);
      pref.newFile.height(h);
      pref.newFile.colorMode(format);
      pref.newFile.backgroundColor(bg);
      pref.newFile.advanced(window.advancedCheck()->isSelected());
      pref.newFile.pixelRatio(window.pixelRatio()->getValue());

      // Create the new sprite
      ASSERT(format == IMAGE_RGB || format == IMAGE_GRAYSCALE || format == IMAGE_INDEXED);
      ASSERT(w > 0 && h > 0);

      std::unique_ptr<Sprite> sprite(Sprite::createBasicSprite(format, w, h, ncolors));

      if (window.advancedCheck()->isSelected()) {
        sprite->setPixelRatio(
          base::convert_to<PixelRatio>(window.pixelRatio()->getValue()));
      }

      if (sprite->pixelFormat() != IMAGE_GRAYSCALE)
        get_default_palette()->copyColorsTo(sprite->palette(frame_t(0)));

      // If the background color isn't transparent, we have to
      // convert the `Layer 1' in a `Background'
      if (color.getType() != app::Color::MaskType) {
        Layer* layer = sprite->root()->firstLayer();

        if (layer && layer->isImage()) {
          LayerImage* layerImage = static_cast<LayerImage*>(layer);
          layerImage->configureAsBackground();

          Image* image = layerImage->cel(frame_t(0))->image();

          // TODO Replace this adding a new parameter to color utils
          Palette oldPal = *get_current_palette();
          set_current_palette(get_default_palette(), false);

          doc::clear_image(image,
            color_utils::color_for_target(color,
              ColorTarget(
                ColorTarget::BackgroundLayer,
                sprite->pixelFormat(),
                sprite->transparentColor())));

          set_current_palette(&oldPal, false);
        }
      }

      // Show the sprite to the user
      std::unique_ptr<Doc> doc(new Doc(sprite.get()));
      sprite.release();
      sprintf(buf, "Sprite-%04d", ++_sprite_counter);
      doc->setFilename(buf);
      doc->setContext(context);
      doc.release();
    }
  }
}