C++ DocumentApi::setCelPosition方法代码示例

bool MovingCelState::onMouseUp(Editor* editor, MouseMessage* msg)
{
  Document* document = editor->document();

  // Here we put back the cel into its original coordinate (so we can
  // add an undoer before).
  if (m_celOffset != gfx::Point(0, 0)) {
    // Put the cels in the original position.
    for (size_t i=0; i<m_celList.size(); ++i) {
      Cel* cel = m_celList[i];
      const gfx::Point& celStart = m_celStarts[i];

      cel->setPosition(celStart);
    }

    // If the user didn't cancel the operation...
    if (!m_canceled) {
      ContextWriter writer(UIContext::instance(), 500);
      Transaction transaction(writer.context(), "Cel Movement", ModifyDocument);
      DocumentApi api = document->getApi(transaction);

      // And now we move the cel (or all selected range) to the new position.
      for (Cel* cel : m_celList) {
        api.setCelPosition(writer.sprite(), cel,
                           cel->x() + m_celOffset.x,
                           cel->y() + m_celOffset.y);
      }

      // Move selection if it was visible
      if (m_maskVisible)
        api.setMaskPosition(document->mask()->bounds().x + m_celOffset.x,
                            document->mask()->bounds().y + m_celOffset.y);

      transaction.commit();
    }

    // Redraw all editors. We've to notify all views about this
    // general update because MovingCelState::onMouseMove() redraws
    // only the cels in the current editor. And at this point we'd
    // like to update all the editors.
    document->notifyGeneralUpdate();
  }

  // Restore the mask visibility.
  if (m_maskVisible) {
    document->setMaskVisible(m_maskVisible);
    document->generateMaskBoundaries();
  }

  editor->backToPreviousState();
  editor->releaseMouse();
  return true;
}

void FlipCommand::onExecute(Context* context)
{
  ContextWriter writer(context);
  Document* document = writer.document();
  Sprite* sprite = writer.sprite();

  {
    Transaction transaction(writer.context(),
      m_flipMask ?
      (m_flipType == doc::algorithm::FlipHorizontal ?
        "Flip Horizontal":
        "Flip Vertical"):
      (m_flipType == doc::algorithm::FlipHorizontal ?
        "Flip Canvas Horizontal":
        "Flip Canvas Vertical"));
    DocumentApi api = document->getApi(transaction);

    CelList cels;
    if (m_flipMask) {
      auto range = App::instance()->timeline()->range();
      if (range.enabled())
        cels = get_unique_cels(sprite, range);
      else if (writer.cel())
        cels.push_back(writer.cel());
    }
    else {
      for (Cel* cel : sprite->uniqueCels())
        cels.push_back(cel);
    }

    Mask* mask = document->mask();
    if (m_flipMask && document->isMaskVisible()) {
      Site site = *writer.site();

      for (Cel* cel : cels) {
        site.frame(cel->frame());
        site.layer(cel->layer());

        int x, y;
        Image* image = site.image(&x, &y);
        if (!image)
          continue;

        // When the mask is inside the cel, we can try to flip the
        // pixels inside the image.
        if (cel->bounds().contains(mask->bounds())) {
          gfx::Rect flipBounds = mask->bounds();
          flipBounds.offset(-x, -y);
          flipBounds &= image->bounds();
          if (flipBounds.isEmpty())
            continue;

          if (mask->bitmap() && !mask->isRectangular())
            transaction.execute(new cmd::FlipMaskedCel(cel, m_flipType));
          else
            api.flipImage(image, flipBounds, m_flipType);

          if (cel->layer()->isTransparent())
            transaction.execute(new cmd::TrimCel(cel));
        }
        // When the mask is bigger than the cel bounds, we have to
        // expand the cel, make the flip, and shrink it again.
        else {
          gfx::Rect flipBounds = (sprite->bounds() & mask->bounds());
          if (flipBounds.isEmpty())
            continue;

          ExpandCelCanvas expand(
            site, cel->layer(),
            TiledMode::NONE, transaction,
            ExpandCelCanvas::None);

          expand.validateDestCanvas(gfx::Region(flipBounds));

          if (mask->bitmap() && !mask->isRectangular())
            doc::algorithm::flip_image_with_mask(
              expand.getDestCanvas(), mask, m_flipType,
              document->bgColor(cel->layer()));
          else
            doc::algorithm::flip_image(
              expand.getDestCanvas(),
              flipBounds, m_flipType);

          expand.commit();
        }
      }
    }
    else {
      for (Cel* cel : cels) {
        Image* image = cel->image();

        api.setCelPosition
          (sprite, cel,
            (m_flipType == doc::algorithm::FlipHorizontal ?
              sprite->width() - image->width() - cel->x():
              cel->x()),
            (m_flipType == doc::algorithm::FlipVertical ?
              sprite->height() - image->height() - cel->y():
              cel->y()));

//.........这里部分代码省略.........

  /**
   * [working thread]
   */
  virtual void onJob()
  {
    UndoTransaction undoTransaction(m_writer.context(), "Rotate Canvas");
    DocumentApi api = m_document->getApi();

    // get all sprite cels
    CelList cels;
    m_sprite->getCels(cels);

    // for each cel...
    for (CelIterator it = cels.begin(); it != cels.end(); ++it) {
      Cel* cel = *it;
      Image* image = m_sprite->getStock()->getImage(cel->getImage());

      // change it location
      switch (m_angle) {
        case 180:
          api.setCelPosition(m_sprite, cel,
                             m_sprite->getWidth() - cel->getX() - image->getWidth(),
                             m_sprite->getHeight() - cel->getY() - image->getHeight());
          break;
        case 90:
          api.setCelPosition(m_sprite, cel,
                             m_sprite->getHeight() - cel->getY() - image->getHeight(),
                             cel->getX());
          break;
        case -90:
          api.setCelPosition(m_sprite, cel,
                             cel->getY(),
                             m_sprite->getWidth() - cel->getX() - image->getWidth());
          break;
      }
    }

    // for each stock's image
    for (int i=0; i<m_sprite->getStock()->size(); ++i) {
      Image* image = m_sprite->getStock()->getImage(i);
      if (!image)
        continue;

      // rotate the image
      Image* new_image = Image::create(image->getPixelFormat(),
                                       m_angle == 180 ? image->getWidth(): image->getHeight(),
                                       m_angle == 180 ? image->getHeight(): image->getWidth());
      raster::rotate_image(image, new_image, m_angle);

      api.replaceStockImage(m_sprite, i, new_image);

      jobProgress((float)i / m_sprite->getStock()->size());

      // cancel all the operation?
      if (isCanceled())
        return;        // UndoTransaction destructor will undo all operations
    }

    // rotate mask
    if (m_document->isMaskVisible()) {
      Mask* origMask = m_document->getMask();
      base::UniquePtr<Mask> new_mask(new Mask());
      const gfx::Rect& origBounds = origMask->getBounds();
      int x = 0, y = 0;

      switch (m_angle) {
        case 180:
          x = m_sprite->getWidth() - origBounds.x - origBounds.w;
          y = m_sprite->getHeight() - origBounds.y - origBounds.h;
          break;
        case 90:
          x = m_sprite->getHeight() - origBounds.y - origBounds.h;
          y = origBounds.x;
          break;
        case -90:
          x = origBounds.y;
          y = m_sprite->getWidth() - origBounds.x - origBounds.w;
          break;
      }

      // create the new rotated mask
      new_mask->replace(x, y,
                        m_angle == 180 ? origBounds.w: origBounds.h,
                        m_angle == 180 ? origBounds.h: origBounds.w);
      raster::rotate_image(origMask->getBitmap(), new_mask->getBitmap(), m_angle);

      // Copy new mask
      api.copyToCurrentMask(new_mask);

      // Regenerate mask
      m_document->resetTransformation();
      m_document->generateMaskBoundaries();
    }

    // change the sprite's size
    if (m_angle != 180)
      api.setSpriteSize(m_sprite, m_sprite->getHeight(), m_sprite->getWidth());

    // commit changes
    undoTransaction.commit();
//.........这里部分代码省略.........

void FlipCommand::onExecute(Context* context)
{
  ContextWriter writer(context);
  Document* document = writer.document();
  Sprite* sprite = writer.sprite();
  DocumentApi api = document->getApi();

  {
    UndoTransaction undoTransaction(writer.context(),
                                    m_flipMask ?
                                    (m_flipType == raster::algorithm::FlipHorizontal ?
                                     "Flip Horizontal":
                                     "Flip Vertical"):
                                    (m_flipType == raster::algorithm::FlipHorizontal ?
                                     "Flip Canvas Horizontal":
                                     "Flip Canvas Vertical"));

    if (m_flipMask) {
      int x, y;
      Image* image = writer.image(&x, &y);
      if (!image)
        return;

      Mask* mask = NULL;
      bool alreadyFlipped = false;

      // This variable will be the area to be flipped inside the image.
      gfx::Rect bounds(image->getBounds());

      // If there is some portion of sprite selected, we flip the
      // selected region only. If the mask isn't visible, we flip the
      // whole image.
      if (document->isMaskVisible()) {
        mask = document->getMask();

        // Intersect the full area of the image with the mask's
        // bounds, so we don't request to flip an area outside the
        // image's bounds.
        bounds = bounds.createIntersect(gfx::Rect(mask->getBounds()).offset(-x, -y));

        // If the mask isn't a rectangular area, we've to flip the mask too.
        if (mask->getBitmap() != NULL && !mask->isRectangular()) {
          int bgcolor = app_get_color_to_clear_layer(writer.layer());

          // Flip the portion of image specified by the mask.
          mask->offsetOrigin(-x, -y);
          api.flipImageWithMask(image, mask, m_flipType, bgcolor);
          mask->offsetOrigin(x, y);
          alreadyFlipped = true;

          // Flip the mask.
          Image* maskBitmap = mask->getBitmap();
          if (maskBitmap != NULL) {
            // Create a flipped copy of the current mask.
            base::UniquePtr<Mask> newMask(new Mask(*mask));
            newMask->freeze();
            raster::algorithm::flip_image(newMask->getBitmap(),
              maskBitmap->getBounds(), m_flipType);
            newMask->unfreeze();

            // Change the current mask and generate the new boundaries.
            api.copyToCurrentMask(newMask);

            document->generateMaskBoundaries();
          }
        }
      }

      // Flip the portion of image specified by "bounds" variable.
      if (!alreadyFlipped) {
        api.flipImage(image, bounds, m_flipType);
      }
    }
    else {
      // get all sprite cels
      CelList cels;
      sprite->getCels(cels);

      // for each cel...
      for (CelIterator it = cels.begin(); it != cels.end(); ++it) {
        Cel* cel = *it;
        Image* image = sprite->getStock()->getImage(cel->getImage());

        api.setCelPosition
          (sprite, cel,
           (m_flipType == raster::algorithm::FlipHorizontal ?
            sprite->getWidth() - image->getWidth() - cel->getX():
            cel->getX()),
           (m_flipType == raster::algorithm::FlipVertical ?
            sprite->getHeight() - image->getHeight() - cel->getY():
            cel->getY()));

        api.flipImage(image, image->getBounds(), m_flipType);
      }
    }

    undoTransaction.commit();
  }

  update_screen_for_document(document);
//.........这里部分代码省略.........

  /**
   * [working thread]
   */
  virtual void onJob()
  {
    UndoTransaction undoTransaction(m_writer.context(), "Sprite Size");
    DocumentApi api = m_writer.document()->getApi();

    // Get all sprite cels
    CelList cels;
    m_sprite->getCels(cels);

    // For each cel...
    int progress = 0;
    for (CelIterator it = cels.begin(); it != cels.end(); ++it, ++progress) {
      Cel* cel = *it;

      // Change its location
      api.setCelPosition(m_sprite, cel, scale_x(cel->x()), scale_y(cel->y()));

      // Get cel's image
      Image* image = cel->image();
      if (!image)
        continue;

      // Resize the image
      int w = scale_x(image->width());
      int h = scale_y(image->height());
      Image* new_image = Image::create(image->pixelFormat(), MAX(1, w), MAX(1, h));

      doc::algorithm::fixup_image_transparent_colors(image);
      doc::algorithm::resize_image(image, new_image,
                                      m_resize_method,
                                      m_sprite->getPalette(cel->frame()),
                                      m_sprite->getRgbMap(cel->frame()));

      api.replaceStockImage(m_sprite, cel->imageIndex(), new_image);

      jobProgress((float)progress / cels.size());

      // cancel all the operation?
      if (isCanceled())
        return;        // UndoTransaction destructor will undo all operations
    }

    // Resize mask
    if (m_document->isMaskVisible()) {
      base::UniquePtr<Image> old_bitmap
        (crop_image(m_document->mask()->bitmap(), -1, -1,
                    m_document->mask()->bitmap()->width()+2,
                    m_document->mask()->bitmap()->height()+2, 0));

      int w = scale_x(old_bitmap->width());
      int h = scale_y(old_bitmap->height());
      base::UniquePtr<Mask> new_mask(new Mask);
      new_mask->replace(scale_x(m_document->mask()->bounds().x-1),
                        scale_y(m_document->mask()->bounds().y-1), MAX(1, w), MAX(1, h));
      algorithm::resize_image(old_bitmap, new_mask->bitmap(),
                              m_resize_method,
                              m_sprite->getPalette(FrameNumber(0)), // Ignored
                              m_sprite->getRgbMap(FrameNumber(0))); // Ignored

      // Reshrink
      new_mask->intersect(new_mask->bounds());

      // Copy new mask
      api.copyToCurrentMask(new_mask);

      // Regenerate mask
      m_document->resetTransformation();
      m_document->generateMaskBoundaries();
    }

    // resize sprite
    api.setSpriteSize(m_sprite, m_new_width, m_new_height);

    // commit changes
    undoTransaction.commit();
  }

  // [working thread]
  virtual void onJob()
  {
    Transaction transaction(m_writer.context(), "Rotate Canvas");
    DocumentApi api = m_document->getApi(transaction);

    // 1) Rotate cel positions
    for (Cel* cel : m_cels) {
      Image* image = cel->image();
      if (!image)
        continue;

      switch (m_angle) {
        case 180:
          api.setCelPosition(m_sprite, cel,
            m_sprite->width() - cel->x() - image->width(),
            m_sprite->height() - cel->y() - image->height());
          break;
        case 90:
          api.setCelPosition(m_sprite, cel,
            m_sprite->height() - cel->y() - image->height(),
            cel->x());
          break;
        case -90:
          api.setCelPosition(m_sprite, cel,
            cel->y(),
            m_sprite->width() - cel->x() - image->width());
          break;
      }
    }

    // 2) Rotate images
    int i = 0;
    for (Cel* cel : m_cels) {
      Image* image = cel->image();
      if (image) {
        ImageRef new_image(Image::create(image->pixelFormat(),
            m_angle == 180 ? image->width(): image->height(),
            m_angle == 180 ? image->height(): image->width()));
        doc::rotate_image(image, new_image.get(), m_angle);

        api.replaceImage(m_sprite, cel->imageRef(), new_image);
      }

      jobProgress((float)i / m_cels.size());
      ++i;

      // cancel all the operation?
      if (isCanceled())
        return;        // Transaction destructor will undo all operations
    }

    // rotate mask
    if (m_document->isMaskVisible()) {
      Mask* origMask = m_document->mask();
      base::UniquePtr<Mask> new_mask(new Mask());
      const gfx::Rect& origBounds = origMask->bounds();
      int x = 0, y = 0;

      switch (m_angle) {
        case 180:
          x = m_sprite->width() - origBounds.x - origBounds.w;
          y = m_sprite->height() - origBounds.y - origBounds.h;
          break;
        case 90:
          x = m_sprite->height() - origBounds.y - origBounds.h;
          y = origBounds.x;
          break;
        case -90:
          x = origBounds.y;
          y = m_sprite->width() - origBounds.x - origBounds.w;
          break;
      }

      // create the new rotated mask
      new_mask->replace(
        gfx::Rect(x, y,
          m_angle == 180 ? origBounds.w: origBounds.h,
          m_angle == 180 ? origBounds.h: origBounds.w));
      doc::rotate_image(origMask->bitmap(), new_mask->bitmap(), m_angle);

      // Copy new mask
      api.copyToCurrentMask(new_mask);

      // Regenerate mask
      m_document->resetTransformation();
      m_document->generateMaskBoundaries();
    }

    // change the sprite's size
    if (m_rotateSprite && m_angle != 180)
      api.setSpriteSize(m_sprite, m_sprite->height(), m_sprite->width());

    // commit changes
    transaction.commit();
  }

  // [working thread]
  void onJob() override {
    DocumentApi api = writer().document()->getApi(transaction());

    int cels_count = 0;
    for (Cel* cel : sprite()->uniqueCels()) { // TODO add size() member function to CelsRange
      (void)cel;
      ++cels_count;
    }

    // For each cel...
    int progress = 0;
    for (Cel* cel : sprite()->uniqueCels()) {
      // Get cel's image
      Image* image = cel->image();
      if (image && !cel->link()) {
        // Resize the cel bounds only if it's from a reference layer
        if (cel->layer()->isReference()) {
          gfx::RectF newBounds = scale_rect<double>(cel->boundsF());
          transaction().execute(new cmd::SetCelBoundsF(cel, newBounds));
        }
        else {
          // Change its location
          api.setCelPosition(sprite(), cel, scale_x(cel->x()), scale_y(cel->y()));

          // Resize the image
          int w = scale_x(image->width());
          int h = scale_y(image->height());
          ImageRef new_image(Image::create(image->pixelFormat(), MAX(1, w), MAX(1, h)));
          new_image->setMaskColor(image->maskColor());

          doc::algorithm::fixup_image_transparent_colors(image);
          doc::algorithm::resize_image(
            image, new_image.get(),
            m_resize_method,
            sprite()->palette(cel->frame()),
            sprite()->rgbMap(cel->frame()),
            (cel->layer()->isBackground() ? -1: sprite()->transparentColor()));

          api.replaceImage(sprite(), cel->imageRef(), new_image);
        }
      }

      jobProgress((float)progress / cels_count);
      ++progress;

      // Cancel all the operation?
      if (isCanceled())
        return;        // Transaction destructor will undo all operations
    }

    // Resize mask
    if (document()->isMaskVisible()) {
      ImageRef old_bitmap
        (crop_image(document()->mask()->bitmap(), -1, -1,
                    document()->mask()->bitmap()->width()+2,
                    document()->mask()->bitmap()->height()+2, 0));

      int w = scale_x(old_bitmap->width());
      int h = scale_y(old_bitmap->height());
      base::UniquePtr<Mask> new_mask(new Mask);
      new_mask->replace(
        gfx::Rect(
          scale_x(document()->mask()->bounds().x-1),
          scale_y(document()->mask()->bounds().y-1), MAX(1, w), MAX(1, h)));
      algorithm::resize_image(
        old_bitmap.get(), new_mask->bitmap(),
        m_resize_method,
        sprite()->palette(0), // Ignored
        sprite()->rgbMap(0),  // Ignored
        -1);                  // Ignored

      // Reshrink
      new_mask->intersect(new_mask->bounds());

      // Copy new mask
      api.copyToCurrentMask(new_mask);

      // Regenerate mask
      document()->resetTransformation();
      document()->generateMaskBoundaries();
    }

    // Resize slices
    for (auto& slice : sprite()->slices()) {
      for (auto& k : *slice) {
        const SliceKey& key = *k.value();
        if (key.isEmpty())
          continue;

        SliceKey newKey = key;
        newKey.setBounds(scale_rect(newKey.bounds()));

        if (newKey.hasCenter())
          newKey.setCenter(scale_rect(newKey.center()));

        if (newKey.hasPivot())
          newKey.setPivot(gfx::Point(scale_x(newKey.pivot().x),
                                     scale_y(newKey.pivot().y)));

//.........这里部分代码省略.........