Package com.bc.ceres.grender.support

Class DefaultViewport

java.lang.Object
com.bc.ceres.grender.support.DefaultViewport
All Implemented Interfaces:
Viewport, Cloneable
public class DefaultViewport extends Object implements Viewport

  • Constructor Details

    • DefaultViewport

      public DefaultViewport()

    • DefaultViewport

      public DefaultViewport(Rectangle viewBounds)

    • DefaultViewport

      public DefaultViewport(boolean modelYAxisDown)

    • DefaultViewport

      public DefaultViewport(Rectangle viewBounds, boolean modelYAxisDown)

  • Method Details

    • isModelYAxisDown

      public boolean isModelYAxisDown()
      Specified by:
      isModelYAxisDown in interface Viewport
      Returns:
      If true, the model coordinate's Y-axis points downwards. Returns false by default.

    • setModelYAxisDown

      public void setModelYAxisDown(boolean modelYAxisDown)
      Specified by:
      setModelYAxisDown in interface Viewport
      Parameters:
      modelYAxisDown - If true, the model coordinate's Y-axis points downwards.

    • getViewBounds

      public Rectangle getViewBounds()
      Specified by:
      getViewBounds in interface Viewport
      Returns:
      The bounds in view coordinates.

    • setViewBounds

      public void setViewBounds(Rectangle viewBounds)
      Specified by:
      setViewBounds in interface Viewport
      Parameters:
      viewBounds - The bounds in view coordinates.

    • getViewToModelTransform

      public AffineTransform getViewToModelTransform()
      Specified by:
      getViewToModelTransform in interface Viewport
      Returns:
      The affine transformation from view to model coordinates.

    • getModelToViewTransform

      public AffineTransform getModelToViewTransform()
      Specified by:
      getModelToViewTransform in interface Viewport
      Returns:
      The affine transformation from model to view coordinates.

    • getOrientation

      public double getOrientation()
      Specified by:
      getOrientation in interface Viewport
      Returns:
      The rotation angle in radians.

    • setOrientation

      public void setOrientation(double orientation)
      Description copied from interface: Viewport
      Sets the orientation angle relative to the viewport bound's center point.
      Specified by:
      setOrientation in interface Viewport
      Parameters:
      orientation - the new orientation angle in radians

    • getOffsetX

      public double getOffsetX()
      Specified by:
      getOffsetX in interface Viewport
      Returns:
      The viewport's absolute X-offset in model coordinates.

    • getOffsetY

      public double getOffsetY()
      Specified by:
      getOffsetY in interface Viewport
      Returns:
      The viewport's absolute Y-offset in model coordinates.

    • setOffset

      public void setOffset(double offsetX, double offsetY)
      Description copied from interface: Viewport
      Sets the viewport's absolute offset in model coordinates.
      Specified by:
      setOffset in interface Viewport
      Parameters:
      offsetX - The X-offset in model coordinates.
      offsetY - The Y-offset in model coordinates.

    • moveViewDelta

      public void moveViewDelta(double deltaX, double deltaY)
      Description copied from interface: Viewport
      Moves the model CS by translating it into the opposite direction of the given vector in view coordinates.
      Specified by:
      moveViewDelta in interface Viewport
      Parameters:
      deltaX - the X delta in view coordinates
      deltaY - the Y delta in view coordinates

    • getZoomFactor

      public double getZoomFactor()
      Description copied from interface: Viewport
      Gets the zoom factor. The zoom factor is equal to the number of model units per view unit.
      Specified by:
      getZoomFactor in interface Viewport
      Returns:
      The zoom factor.

    • setZoomFactor

      public void setZoomFactor(double zoomFactor)
      Description copied from interface: Viewport
      Sets the zoom factor relative to the viewport bound's center point.
      Specified by:
      setZoomFactor in interface Viewport
      Parameters:
      zoomFactor - The new zoom factor, must be greater than zero.
      See Also:

    • zoom

      public void zoom(Rectangle2D modelBounds)
      Description copied from interface: Viewport
      Zooms to the given area given in model coordinates.
      Specified by:
      zoom in interface Viewport
      Parameters:
      modelBounds - the area in model coordinates

    • setZoomFactor

      public void setZoomFactor(double zoomFactor, double modelCenterX, double modelCenterY)
      Description copied from interface: Viewport
      Zooms to the given point given in model coordinates.
      Specified by:
      setZoomFactor in interface Viewport
      Parameters:
      zoomFactor - The new zoom factor, must be greater than zero.
      modelCenterX - New X of the view's center point in model coordinates.
      modelCenterY - New Y of the view's center point in model coordinates.

    • addListener

      public void addListener(ViewportListener listener)
      Description copied from interface: Viewport
      Adds a change listener to this viewport.
      Specified by:
      addListener in interface Viewport
      Parameters:
      listener - The listener.

    • removeListener

      public void removeListener(ViewportListener listener)
      Description copied from interface: Viewport
      Removes a change listener from this viewport.
      Specified by:
      removeListener in interface Viewport
      Parameters:
      listener - The listener.

    • getListeners

      public ViewportListener[] getListeners()
      Description copied from interface: Viewport
      Gets all listeners added to this viewport.
      Specified by:
      getListeners in interface Viewport
      Returns:
      The listeners.

    • setTransform

      public void setTransform(Viewport other)
      Description copied from interface: Viewport
      Modifies this viewport so that it matches the given one.
      Specified by:
      setTransform in interface Viewport
      Parameters:
      other - The view port to synchronize with.

    • fireViewportChanged

      protected void fireViewportChanged(boolean orientationChanged)

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • clone

      public Viewport clone()
      Description copied from interface: Viewport
      Creates a clone of this viewport. The clone is a deep copy of this viewport but doesn't copy its listeners.
      Specified by:
      clone in interface Viewport
      Overrides:
      clone in class Object
      Returns:
      The clone.