C++ DocumentApi::replaceImage方法代码示例

  // [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.........