Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 709 insertions, 0 deletions

diff --git a/canvas/source/tools/verifyinput.cxx b/canvas/source/tools/verifyinput.cxx
new file mode 100644
index 000000000..ae0704d81
--- /dev/null
+++ b/canvas/source/tools/verifyinput.cxx
@@ -0,0 +1,709 @@
+/* -*- 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 .
+ */
+
+#include <sal/config.h>
+
+#include <basegfx/range/b2irange.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <com/sun/star/geometry/AffineMatrix2D.hpp>
+#include <com/sun/star/geometry/IntegerPoint2D.hpp>
+#include <com/sun/star/geometry/IntegerSize2D.hpp>
+#include <com/sun/star/geometry/Matrix2D.hpp>
+#include <com/sun/star/geometry/RealBezierSegment2D.hpp>
+#include <com/sun/star/geometry/RealPoint2D.hpp>
+#include <com/sun/star/geometry/RealRectangle2D.hpp>
+#include <com/sun/star/geometry/RealSize2D.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+#include <com/sun/star/rendering/FontRequest.hpp>
+#include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
+#include <com/sun/star/rendering/PathCapType.hpp>
+#include <com/sun/star/rendering/PathJoinType.hpp>
+#include <com/sun/star/rendering/RenderState.hpp>
+#include <com/sun/star/rendering/Texture.hpp>
+#include <com/sun/star/rendering/TexturingMode.hpp>
+#include <com/sun/star/rendering/ViewState.hpp>
+#include <com/sun/star/util/Endianness.hpp>
+
+#include <verifyinput.hxx>
+
+
+using namespace ::com::sun::star;
+
+namespace canvas::tools
+{
+        void verifyInput( const geometry::RealPoint2D&              rPoint,
+                          const char*                               pStr,
+                          const uno::Reference< uno::XInterface >&  xIf,
+                          ::sal_Int16                               nArgPos )
+        {
+#if OSL_DEBUG_LEVEL > 0
+            if( !std::isfinite( rPoint.X ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii( pStr ) + ": verifyInput(): point X value contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+
+            if( !std::isfinite( rPoint.Y ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii( pStr ) + ": verifyInput(): point X value contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+#else
+            (void)pStr; (void)xIf; (void)nArgPos;
+            if( !std::isfinite( rPoint.X ) ||
+                !std::isfinite( rPoint.Y ) )
+            {
+                throw lang::IllegalArgumentException();
+            }
+#endif
+        }
+
+        void verifyInput( const geometry::RealBezierSegment2D&      rSegment,
+                          const char*                               pStr,
+                          const uno::Reference< uno::XInterface >&  xIf,
+                          ::sal_Int16                               nArgPos )
+        {
+#if OSL_DEBUG_LEVEL > 0
+            if( !std::isfinite( rSegment.Px ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii( pStr ) +
+                    ": verifyInput(): bezier segment's Px value contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+
+            if( !std::isfinite( rSegment.Py ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii( pStr ) +
+                    ": verifyInput(): bezier segment's Py value contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+
+            if( !std::isfinite( rSegment.C1x ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii( pStr ) +
+                    ": verifyInput(): bezier segment's C1x value contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+
+            if( !std::isfinite( rSegment.C1y ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii( pStr ) +
+                    ": verifyInput(): bezier segment's C1y value contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+
+            if( !std::isfinite( rSegment.C2x ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii( pStr ) +
+                    ": verifyInput(): bezier segment's C2x value contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+
+            if( !std::isfinite( rSegment.C2y ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii( pStr ) +
+                    ": verifyInput(): bezier segment's C2y value contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+#else
+            (void)pStr; (void)xIf; (void)nArgPos;
+            if( !std::isfinite( rSegment.Px ) ||
+                !std::isfinite( rSegment.Py ) ||
+                !std::isfinite( rSegment.C1x ) ||
+                !std::isfinite( rSegment.C1y ) ||
+                !std::isfinite( rSegment.C2x ) ||
+                !std::isfinite( rSegment.C2y ) )
+            {
+                throw lang::IllegalArgumentException();
+            }
+#endif
+        }
+
+        void verifyInput( const geometry::RealRectangle2D&          rRect,
+                          const char*                               pStr,
+                          const uno::Reference< uno::XInterface >&  xIf,
+                          ::sal_Int16                               nArgPos )
+        {
+#if OSL_DEBUG_LEVEL > 0
+            if( !std::isfinite( rRect.X1 ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): rectangle point X1 contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+
+            if( !std::isfinite( rRect.Y1 ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): rectangle point Y1 contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+
+            if( !std::isfinite( rRect.X2 ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): rectangle point X2 contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+
+            if( !std::isfinite( rRect.Y2 ) )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): rectangle point Y2 contains infinite or NAN",
+                    xIf, nArgPos );
+            }
+#else
+            (void)pStr; (void)xIf; (void)nArgPos;
+            if( !std::isfinite( rRect.X1 ) ||
+                !std::isfinite( rRect.Y1 ) ||
+                !std::isfinite( rRect.X2 ) ||
+                !std::isfinite( rRect.Y2 ) )
+            {
+                throw lang::IllegalArgumentException();
+            }
+#endif
+        }
+
+        void verifyInput( const geometry::AffineMatrix2D&           matrix,
+                          const char*                               pStr,
+                          const uno::Reference< uno::XInterface >&  xIf,
+                          ::sal_Int16                               nArgPos )
+        {
+#if OSL_DEBUG_LEVEL > 0
+            const sal_Int32 nBinaryState(
+                100000 * int(!std::isfinite( matrix.m00 )) +
+                 10000 * int(!std::isfinite( matrix.m01 )) +
+                  1000 * int(!std::isfinite( matrix.m02 )) +
+                   100 * int(!std::isfinite( matrix.m10 )) +
+                    10 * int(!std::isfinite( matrix.m11 )) +
+                     1 * int(!std::isfinite( matrix.m12 )) );
+
+            if( nBinaryState )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): AffineMatrix2D contains infinite or NAN value(s) at the following positions (m00-m12): " +
+                    OUString::number(nBinaryState),
+                    xIf, nArgPos );
+            }
+#else
+            (void)pStr; (void)xIf; (void)nArgPos;
+            if( !std::isfinite( matrix.m00 ) ||
+                !std::isfinite( matrix.m01 ) ||
+                !std::isfinite( matrix.m02 ) ||
+                !std::isfinite( matrix.m10 ) ||
+                !std::isfinite( matrix.m11 ) ||
+                !std::isfinite( matrix.m12 ) )
+            {
+                throw lang::IllegalArgumentException();
+            }
+#endif
+        }
+
+        void verifyInput( const geometry::Matrix2D&                 matrix,
+                          const char*                               pStr,
+                          const uno::Reference< uno::XInterface >&  xIf,
+                          ::sal_Int16                               nArgPos )
+        {
+#if OSL_DEBUG_LEVEL > 0
+            const sal_Int32 nBinaryState(
+                1000 * int(!std::isfinite( matrix.m00 )) +
+                 100 * int(!std::isfinite( matrix.m01 )) +
+                  10 * int(!std::isfinite( matrix.m10 )) +
+                   1 * int(!std::isfinite( matrix.m11 )) );
+
+            if( nBinaryState )
+            {
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): Matrix2D contains infinite or NAN value(s) at the following positions (m00-m11): " +
+                    OUString::number(nBinaryState),
+                    xIf, nArgPos );
+            }
+#else
+            (void)pStr; (void)xIf; (void)nArgPos;
+            if( !std::isfinite( matrix.m00 ) ||
+                !std::isfinite( matrix.m01 ) ||
+                !std::isfinite( matrix.m10 ) ||
+                !std::isfinite( matrix.m11 ) )
+            {
+                throw lang::IllegalArgumentException();
+            }
+#endif
+        }
+
+        void verifyInput( const rendering::ViewState&               viewState,
+                          const char*                               pStr,
+                          const uno::Reference< uno::XInterface >&  xIf,
+                          ::sal_Int16                               nArgPos )
+        {
+            verifyInput( viewState.AffineTransform,
+                         pStr, xIf, nArgPos );
+        }
+
+        void verifyInput( const rendering::RenderState&             renderState,
+                          const char*                               pStr,
+                          const uno::Reference< uno::XInterface >&  xIf,
+                          ::sal_Int16                               nArgPos,
+                          sal_Int32                                 nMinColorComponents )
+        {
+            verifyInput( renderState.AffineTransform,
+                         pStr, xIf, nArgPos );
+
+            if( renderState.DeviceColor.getLength() < nMinColorComponents )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): render state's device color has too few components (" +
+                    OUString::number(nMinColorComponents) +
+                    " expected, " +
+                    OUString::number(renderState.DeviceColor.getLength()) +
+                    " provided)",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( renderState.CompositeOperation >= rendering::CompositeOperation::CLEAR &&
+                renderState.CompositeOperation <= rendering::CompositeOperation::SATURATE )
+                return;
+
+#if OSL_DEBUG_LEVEL > 0
+            throw lang::IllegalArgumentException(
+                OUString::createFromAscii(pStr) +
+                ": verifyInput(): render state's CompositeOperation value out of range (" +
+                OUString::number(sal::static_int_cast<sal_Int32>(renderState.CompositeOperation)) +
+                " not known)",
+                xIf, nArgPos );
+#else
+            throw lang::IllegalArgumentException();
+#endif
+        }
+
+        void verifyInput( const rendering::Texture&                 texture,
+                          const char*                               pStr,
+                          const uno::Reference< uno::XInterface >&  xIf,
+                          ::sal_Int16                               nArgPos )
+        {
+            verifyInput( texture.AffineTransform,
+                         pStr, xIf, nArgPos );
+
+            if( !std::isfinite( texture.Alpha ) ||
+                texture.Alpha < 0.0 ||
+                texture.Alpha > 1.0 )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): textures' alpha value out of range (is " +
+                    OUString::number(texture.Alpha) + ")",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( texture.NumberOfHatchPolygons < 0 )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): textures' NumberOfHatchPolygons is negative",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( texture.RepeatModeX < rendering::TexturingMode::NONE ||
+                texture.RepeatModeX > rendering::TexturingMode::REPEAT )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): textures' RepeatModeX value is out of range (" +
+                    OUString::number(sal::static_int_cast<sal_Int32>(texture.RepeatModeX)) +
+                    " not known)",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( texture.RepeatModeY >= rendering::TexturingMode::NONE &&
+                texture.RepeatModeY <= rendering::TexturingMode::REPEAT )
+                return;
+
+#if OSL_DEBUG_LEVEL > 0
+            throw lang::IllegalArgumentException(
+                OUString::createFromAscii(pStr) +
+                ": verifyInput(): textures' RepeatModeY value is out of range (" +
+                OUString::number(sal::static_int_cast<sal_Int32>(texture.RepeatModeY)) +
+                " not known)",
+                xIf, nArgPos );
+#else
+            throw lang::IllegalArgumentException();
+#endif
+        }
+
+        namespace
+        {
+            struct VerifyDashValue
+            {
+                VerifyDashValue( const char*                                pStr,
+                                 const uno::Reference< uno::XInterface >&   xIf,
+                                 ::sal_Int16                                nArgPos ) :
+                    mpStr( pStr ),
+                    mrIf( xIf ),
+                    mnArgPos( nArgPos )
+                {
+                }
+
+                void operator()( const double& rVal )
+                {
+                    if( !std::isfinite( rVal ) || rVal < 0.0 )
+                    {
+                        throw lang::IllegalArgumentException(
+                            OUString::createFromAscii(mpStr) +
+                            ": verifyInput(): one of stroke attributes' DashArray value out of range (is " +
+                            OUString::number(rVal) + ")",
+                            mrIf, mnArgPos );
+                    }
+                }
+
+                const char*                                 mpStr;
+                const uno::Reference< uno::XInterface >&    mrIf;
+                sal_Int16                                   mnArgPos;
+            };
+        }
+
+        void verifyInput( const rendering::StrokeAttributes&        strokeAttributes,
+                          const char*                               pStr,
+                          const uno::Reference< uno::XInterface >&  xIf,
+                          ::sal_Int16                               nArgPos )
+        {
+            if( !std::isfinite( strokeAttributes.StrokeWidth ) ||
+                strokeAttributes.StrokeWidth < 0.0 )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): stroke attributes' StrokeWidth value out of range (is " +
+                    OUString::number(strokeAttributes.StrokeWidth) +
+                    ")",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( !std::isfinite( strokeAttributes.MiterLimit ) ||
+                strokeAttributes.MiterLimit < 0.0 )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): stroke attributes' MiterLimit value out of range (is " +
+                    OUString::number(strokeAttributes.MiterLimit) + ")",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            VerifyDashValue aVerifyDashValue( pStr, xIf, nArgPos );
+            for (auto const& aStrokeAttribute : strokeAttributes.DashArray)
+                aVerifyDashValue( aStrokeAttribute );
+
+            for (auto const& aStrokeAttribute : strokeAttributes.LineArray)
+                aVerifyDashValue( aStrokeAttribute );
+
+            if( strokeAttributes.StartCapType < rendering::PathCapType::BUTT ||
+                strokeAttributes.StartCapType > rendering::PathCapType::SQUARE )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): stroke attributes' StartCapType value is out of range (" +
+                    OUString::number(sal::static_int_cast<sal_Int32>(strokeAttributes.StartCapType)) +
+                    " not known)",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( strokeAttributes.EndCapType < rendering::PathCapType::BUTT ||
+                strokeAttributes.EndCapType > rendering::PathCapType::SQUARE )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): stroke attributes' StartCapType value is out of range (" +
+                    OUString::number(sal::static_int_cast<sal_Int32>(strokeAttributes.EndCapType)) +
+                    " not known)",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( strokeAttributes.JoinType >= rendering::PathJoinType::NONE &&
+                strokeAttributes.JoinType <= rendering::PathJoinType::BEVEL )
+                return;
+
+#if OSL_DEBUG_LEVEL > 0
+            throw lang::IllegalArgumentException(
+                OUString::createFromAscii(pStr) +
+                ": verifyInput(): stroke attributes' JoinType value is out of range (" +
+                OUString::number(sal::static_int_cast<sal_Int32>(strokeAttributes.JoinType)) +
+                " not known)",
+                xIf, nArgPos );
+#else
+            throw lang::IllegalArgumentException();
+#endif
+        }
+
+        void verifyInput( const rendering::IntegerBitmapLayout&     bitmapLayout,
+                          const char*                               pStr,
+                          const uno::Reference< uno::XInterface >&  xIf,
+                          ::sal_Int16                               nArgPos )
+        {
+            if( bitmapLayout.ScanLines < 0 )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): bitmap layout's ScanLines is negative",
+                    xIf, nArgPos );
+#else
+                (void)pStr; (void)xIf; (void)nArgPos;
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( bitmapLayout.ScanLineBytes < 0 )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): bitmap layout's ScanLineBytes is negative",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( !bitmapLayout.ColorSpace.is() )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): bitmap layout's ColorSpace is invalid",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+            if( bitmapLayout.ColorSpace->getBitsPerPixel() < 0 )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): bitmap layout's ColorSpace getBitsPerPixel() is negative",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( bitmapLayout.ColorSpace->getEndianness() >= util::Endianness::LITTLE &&
+                bitmapLayout.ColorSpace->getEndianness() <= util::Endianness::BIG )
+                return;
+
+#if OSL_DEBUG_LEVEL > 0
+            throw lang::IllegalArgumentException(
+                OUString::createFromAscii(pStr) +
+                ": verifyInput(): bitmap layout's ColorSpace getEndianness() value is out of range (" +
+                OUString::number(sal::static_int_cast<sal_Int32>(bitmapLayout.ColorSpace->getEndianness())) +
+                " not known)",
+                xIf, nArgPos );
+#else
+            throw lang::IllegalArgumentException();
+#endif
+        }
+
+        void verifyInput( const rendering::FontRequest&             fontRequest,
+                          const char*                               pStr,
+                          const uno::Reference< uno::XInterface >&  xIf,
+                          ::sal_Int16                               nArgPos )
+        {
+            verifyInput( fontRequest.FontDescription,
+                         pStr, xIf, nArgPos );
+
+            if( !std::isfinite( fontRequest.CellSize ) )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): font request's CellSize value contains infinite or NAN",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( !std::isfinite( fontRequest.ReferenceAdvancement ) )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): font request's ReferenceAdvancement value contains infinite or NAN",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( fontRequest.CellSize != 0.0 &&
+                fontRequest.ReferenceAdvancement != 0.0 )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyInput(): font request's CellSize and ReferenceAdvancement are mutually exclusive, one of them must be 0.0",
+                    xIf, nArgPos );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+        }
+
+        void verifyIndexRange( const geometry::IntegerRectangle2D&  rect,
+                               const geometry::IntegerSize2D&       size )
+        {
+            const ::basegfx::B2IRange aRect(
+                ::basegfx::unotools::b2IRectangleFromIntegerRectangle2D(
+                    rect ) );
+
+            if( aRect.getMinX() < 0 ||
+                aRect.getMaxX() > size.Width ||
+                aRect.getMinY() < 0 ||
+                aRect.getMaxY() > size.Height )
+            {
+                throw css::lang::IndexOutOfBoundsException();
+            }
+        }
+
+        void verifyIndexRange( const geometry::IntegerPoint2D& pos,
+                               const geometry::IntegerSize2D&  size )
+        {
+            if( pos.X < 0 ||
+                pos.X > size.Width ||
+                pos.Y < 0 ||
+                pos.Y > size.Height )
+            {
+                throw css::lang::IndexOutOfBoundsException();
+            }
+        }
+
+        void verifyBitmapSize( const geometry::IntegerSize2D&           size,
+                               const char*                              pStr,
+                               const uno::Reference< uno::XInterface >& xIf )
+        {
+            if( size.Width <= 0 )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifyBitmapSize(): size has 0 or negative width (value: " +
+                    OUString::number(size.Width) + ")",
+                    xIf, 0 );
+#else
+                (void)pStr; (void)xIf;
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( size.Height > 0 )
+                return;
+
+#if OSL_DEBUG_LEVEL > 0
+            throw lang::IllegalArgumentException(
+                OUString::createFromAscii(pStr) +
+                ": verifyBitmapSize(): size has 0 or negative height (value: " +
+                OUString::number(size.Height) +
+                ")",
+                xIf, 0 );
+#else
+            throw lang::IllegalArgumentException();
+#endif
+        }
+
+        void verifySpriteSize( const geometry::RealSize2D&              size,
+                               const char*                              pStr,
+                               const uno::Reference< uno::XInterface >& xIf )
+        {
+            if( size.Width <= 0.0 )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifySpriteSize(): size has 0 or negative width (value: " +
+                    OUString::number(size.Width) + ")",
+                    xIf, 0 );
+#else
+                (void)pStr; (void)xIf;
+                throw lang::IllegalArgumentException();
+#endif
+            }
+
+            if( size.Height <= 0.0 )
+            {
+#if OSL_DEBUG_LEVEL > 0
+                throw lang::IllegalArgumentException(
+                    OUString::createFromAscii(pStr) +
+                    ": verifySpriteSize(): size has 0 or negative height (value: " +
+                    OUString::number(size.Height) + ")",
+                    xIf, 0 );
+#else
+                throw lang::IllegalArgumentException();
+#endif
+            }
+        }
+
+
+} // namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */