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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef __com_sun_star_rendering_XAnimatedSprite_idl__
#define __com_sun_star_rendering_XAnimatedSprite_idl__

#include <com/sun/star/uno/XInterface.idl>
#include <com/sun/star/lang/IllegalArgumentException.idl>
#include <com/sun/star/geometry/RealPoint2D.idl>
#include <com/sun/star/rendering/ViewState.idl>
#include <com/sun/star/rendering/RenderState.idl>
#include <com/sun/star/rendering/XSprite.idl>


module com { module sun { module star { module rendering {

/** This interface can be used to control an animated sprite object.<p>

    This interface can be used to control an animated sprite object on
    an XSpriteCanvas. Sprites are moving, animated objects.<p>

    @since OOo 2.0
 */
interface XAnimatedSprite : XSprite
{
    /** Start animation sequence of this sprite.<p>

        The speed of the animation is given in cycles per second
        (where a cycle is defined as one full animation run, i.e. the
        full [0,1] range of the XAnimation::render()'s
        t parameter, or a full sequence of sprite bitmaps drawn). Once
        an animation is running, the associated
        XSpriteCanvas handles screen updates
        automatically. That means, changes to position or alpha are
        reflected on screen automatically. Please note further that
        sprite visibility and animation are unrelated, i.e. a hidden
        sprite can have a running animation, which then displays in
        the middle of the animation sequence, when a show() is called
        later on.<p>

        @param nSpeed
        The speed of the animation in cycles per second (where a cycle
        is defined as one full animation run, i.e. the full [0,1]
        range of the XAnimation::render()'s t
        parameter, or a full sequence of sprite bitmaps drawn).
     */
    void startAnimation( [in] double nSpeed );


    /** Stop the animation sequence.<p>

        A subsequent XAnimatedSprite::startAnimation()
        will commence the sequence at the point where it was stopped
        with here. Once an animation is stopped, the associated
        XSpriteCanvas does not update changed sprites
        anymore.<p>
    */
    void stopAnimation();


    /** Reset the animation sequence to start with the first frame.<p>

        If the animation is currently running, the next frame that is
        drawn after this method has finished, will be the first
        one. Please note that if an animation is not started, the
        associated XSpriteCanvas does not update changed
        sprites automatically.<p>
     */
    void resetAnimation();


    /** Issue an additional render call to this sprite's
        animation.<p>

        This method has no effect when called for a bitmap-sequence
        sprite. Please note that if an animation is not started, the
        associated XSpriteCanvas does not update changed
        sprites automatically, but has to be told to do so via
        XSpriteCanvas::updateScreen().<p>
     */
    void updateAnimation();


    /** Changes the view state in place for this sprite's
        animation.<p>

        The state given here is used when calling the
        XAnimation::render() method, or when drawing
        the sprite's bitmaps, respectively. There's no need to call
        XSpriteCanvas::updateAnimation() after this
        method, as it automatically rerenders, if necessary. Please
        note that if an animation is not started, the associated
        XSpriteCanvas does not update changed sprites
        automatically, but has to be told to do so via
        XSpriteCanvas::updateScreen().<p>

        @param aViewState
        The state given here is used when calling the
        XAnimation::render() method, or when drawing
        the sprite's bitmaps, respectively.

        @throws com::sun::star::lang::IllegalArgumentException
        if the view transformation matrix is singular.
    */
    void setViewState( [in] ViewState aViewState )
        raises (com::sun::star::lang::IllegalArgumentException);


    /** Changes all of the sprite's attributes at one atomic
        instance.<p>

        This is useful at times where one does not want multiple
        redraws for every state change.<p>

        Please note that if an animation is not started, the
        associated XSpriteCanvas does not update changed
        sprites automatically, but has to be told to do so via
        XSpriteCanvas::updateScreen().<p>

        @param aNewPos
        New left,top output position of the sprite. This position gets
        transformed by the view and render state.

        @param aViewState
        New view state of the sprite, and part of the transformation
        that is applied to aNewPos. The view transformation matrix
        must not be singular.

        @param aRenderState
        New render state of the sprite, and part of the transformation
        that is applied to aNewPos. The render transformation matrix
        must not be singular.

        @param nAlpha
        New alpha value of the sprite. This value must be within the
        [0,1] range.

        @param bUpdateAnimation
        Whether this method should implicitly call
        XSpriteCanvas::updateAnimation() or not.

        @throws com::sun::star::lang::IllegalArgumentException
        if one of the passed parameters does not lie in the specified,
        permissible range.
     */
    void setAll( [in] ::com::sun::star::geometry::RealPoint2D   aNewPos,
                 [in] ViewState                                         aViewState,
                 [in] RenderState                                       aRenderState,
                 [in] double                                            nAlpha,
                 [in] boolean                                           bUpdateAnimation )
        raises (com::sun::star::lang::IllegalArgumentException);
};

}; }; }; };

#endif

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