| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| #ifndef __com_sun_star_rendering_XHalfFloatReadOnlyBitmap_idl__ |
| #define __com_sun_star_rendering_XHalfFloatReadOnlyBitmap_idl__ |
| |
| #ifndef __com_sun_star_lang_IllegalArgumentException_idl__ |
| #include <com/sun/star/lang/IllegalArgumentException.idl> |
| #endif |
| #ifndef __com_sun_star_lang_IndexOutOfBoundsException_idl__ |
| #include <com/sun/star/lang/IndexOutOfBoundsException.idl> |
| #endif |
| #ifndef __com_sun_star_rendering_FloatingPointBitmapLayout_idl__ |
| #include <com/sun/star/rendering/FloatingPointBitmapLayout.idl> |
| #endif |
| #ifndef __com_sun_star_geometry_IntegerPoint2D_idl__ |
| #include <com/sun/star/geometry/IntegerPoint2D.idl> |
| #endif |
| #ifndef __com_sun_star_geometry_IntegerRectangle2D_idl__ |
| #include <com/sun/star/geometry/IntegerRectangle2D.idl> |
| #endif |
| #ifndef __com_sun_star_rendering_XBitmap_idl__ |
| #include <com/sun/star/rendering/XBitmap.idl> |
| #endif |
| #ifndef __com_sun_star_rendering_VolatileContentDestroyedException_idl__ |
| #include <com/sun/star/rendering/VolatileContentDestroyedException.idl> |
| #endif |
| |
| module com { module sun { module star { module rendering { |
| |
| /** Specialized interface for bitmaps containing half floats as their |
| color components. Half floats are 16 bit wide, and some high-end |
| GPUs already have them as supported frame buffer format. In |
| contrast to <type>XHalfFloatBitmap</type>, 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 |
| <type>XHalfFloatReadOnlyBitmap</type> that also supports the |
| <type>XVolatileBitmap</type> interface, things become a bit more |
| complicated. When reading data, one has to check for both |
| <type>VolatileContentDestroyedException</type> and mismatching |
| <type>FloatingPointBitmapLayout</type> return values. If either of them |
| occurs, the whole bitmap read operation should be repeated.<p> |
| */ |
| interface XHalfFloatReadOnlyBitmap : 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. When querying subsets of the |
| bitmap, the same scanline padding takes place as when the |
| whole bitmap is requested. Note: as we currently have no 16 |
| bit float UNO data type, the values are transported as 16 bit |
| integers across the API (which requires casting on both |
| sides).<p> |
| |
| @throws <type>VolatileContentDestroyedException</type> |
| if the bitmap is volatile, and the content has been destroyed by the system. |
| */ |
| sequence<short> getData( [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> |
| |
| @throws <type>VolatileContentDestroyedException</type> |
| if the bitmap is volatile, and the content has been destroyed by the system. |
| */ |
| sequence<short> getPixel( [in] ::com::sun::star::geometry::IntegerPoint2D pos ) |
| raises (com::sun::star::lang::IndexOutOfBoundsException, |
| VolatileContentDestroyedException); |
| |
| //------------------------------------------------------------------------- |
| |
| /** Query the memory layout for this bitmap.<p> |
| */ |
| FloatingPointBitmapLayout getMemoryLayout(); |
| }; |
| |
| }; }; }; }; |
| |
| #endif |