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| -rw-r--r-- | offapi/com/sun/star/rendering/XIntegerReadOnlyBitmap.idl | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/offapi/com/sun/star/rendering/XIntegerReadOnlyBitmap.idl b/offapi/com/sun/star/rendering/XIntegerReadOnlyBitmap.idl new file mode 100644 index 000000000..616389f39 --- /dev/null +++ b/offapi/com/sun/star/rendering/XIntegerReadOnlyBitmap.idl @@ -0,0 +1,138 @@ +/* -*- 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_XIntegerReadOnlyBitmap_idl__ +#define __com_sun_star_rendering_XIntegerReadOnlyBitmap_idl__ + +#include <com/sun/star/lang/IllegalArgumentException.idl> +#include <com/sun/star/lang/IndexOutOfBoundsException.idl> +#include <com/sun/star/geometry/IntegerPoint2D.idl> +#include <com/sun/star/geometry/IntegerRectangle2D.idl> +#include <com/sun/star/rendering/IntegerBitmapLayout.idl> +#include <com/sun/star/rendering/XBitmap.idl> +#include <com/sun/star/rendering/VolatileContentDestroyedException.idl> + + +module com { module sun { module star { module rendering { + +interface XBitmapPalette; + +/** This is a specialized interface for bitmaps having integer color + channels. In contrast to XIntegerBitmap, this + interface only permits read-only access.<p> + + Use this interface for e.g. bitmaps that are calculated + on-the-fly, or that are pure functional, and thus cannot be + modified.<p> + + If you get passed an instance of + XIntegerReadOnlyBitmap that also supports the + XVolatileBitmap interface, things become a bit more + complicated. When reading data, one has to check for both + VolatileContentDestroyedException and mismatching + IntegerBitmapLayout return values. If either of them + occurs, the whole bitmap read operation should be repeated, if you + need consistent information.<p> + */ +interface XIntegerReadOnlyBitmap : XBitmap +{ + /** Query the raw data of this bitmap.<p> + + Query the raw data of this bitmap, in the format as defined by + getMemoryLayout(). With the given rectangle, a subset of the + whole bitmap can be queried. If the internal data format's + pixel are not integer multiples of bytes (i.e. if one pixel + occupies less than a byte), the leftover content of the bytes + at the right of each scanline is filled with zeros. The + details of the scanline padding are to be retrieved from the + passed bitmap layout.<p> + + Note that the bitmap memory layout might change over time for + volatile bitmaps.<p> + + @param bitmapLayout + The memory layout the returned data is in. Note that the color + space returned therein needs to always match the current color + space as would have been returned by getMemoryLayout(). This + is necessary to ensure correct operation under changing + XVolatileBitmap. + + @param rect + A rectangle, within the bounds of the bitmap, to retrieve the + consent from. + + @throws VolatileContentDestroyedException + if the bitmap is volatile, and the content has been destroyed by the system. + + @throws com::sun::star::lang::IndexOutOfBoundsException + if parts of the given rectangle are outside the permissible + bitmap area. + */ + sequence<byte> getData( [out] IntegerBitmapLayout bitmapLayout, [in] ::com::sun::star::geometry::IntegerRectangle2D rect ) + raises (com::sun::star::lang::IndexOutOfBoundsException, + VolatileContentDestroyedException); + + + /** Get a single pixel of the bitmap, returning its color + value.<p> + + If the internal data format's pixel are not integer multiples + of bytes (i.e. if one pixel occupies less than a byte - the + case of more than one byte per pixel is not specified), the + color value is returned in the least significant bits of the + single byte returned as the color. The details of the returned + pixel data are to be retrieved from the passed bitmap layout.<p> + + Note that the bitmap memory layout might change for volatile + bitmaps.<p> + + @param bitmapLayout + The memory layout the returned data is in. Note that the color + space returned therein needs to always match the current color + space as would have been returned by getMemoryLayout(). This + is necessary to ensure correct operation under changing + XVolatileBitmap. + + @param pos + A position, within the bounds of the bitmap, to retrieve the + color from. + + @throws VolatileContentDestroyedException + if the bitmap is volatile, and the content has been destroyed by the system. + + @throws com::sun::star::lang::IndexOutOfBoundsException + if the given position is outside the permissible bitmap area. + */ + sequence<byte> getPixel( [out] IntegerBitmapLayout bitmapLayout, [in] ::com::sun::star::geometry::IntegerPoint2D pos ) + raises (com::sun::star::lang::IndexOutOfBoundsException, + VolatileContentDestroyedException); + + + /** Query the memory layout for this bitmap.<p> + + Please note that for volatile bitmaps, the memory layout might + change between subsequent calls.<p> + */ + IntegerBitmapLayout getMemoryLayout(); +}; + +}; }; }; }; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |