diff options
Diffstat (limited to 'slideshow/source/engine/transitions/snakewipe.cxx')
| -rw-r--r-- | slideshow/source/engine/transitions/snakewipe.cxx | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/slideshow/source/engine/transitions/snakewipe.cxx b/slideshow/source/engine/transitions/snakewipe.cxx index dd15d1238deb..b484f36cb8d7 100644 --- a/slideshow/source/engine/transitions/snakewipe.cxx +++ b/slideshow/source/engine/transitions/snakewipe.cxx @@ -17,6 +17,9 @@ * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ +#include <sal/config.h> + +#include <cmath> #include <osl/diagnose.h> #include <basegfx/matrix/b2dhommatrix.hxx> @@ -87,7 +90,7 @@ SnakeWipe::SnakeWipe( sal_Int32 nElements, bool diagonal, bool flipOnYAxis ) if (in) { const double sqrtArea2 = sqrt( t * m_sqrtElements * m_sqrtElements ); const double edge = ::basegfx::pruneScaleValue( - static_cast<double>( static_cast<sal_Int32>(sqrtArea2) ) / + std::trunc(sqrtArea2) / m_sqrtElements ); ::basegfx::B2DPolygon poly; @@ -99,7 +102,8 @@ SnakeWipe::SnakeWipe( sal_Int32 nElements, bool diagonal, bool flipOnYAxis ) res.append(poly); } const double a = (M_SQRT1_2 / m_sqrtElements); - const double d = (sqrtArea2 - static_cast<sal_Int32>(sqrtArea2)); + double dummy; + const double d = std::modf(sqrtArea2, &dummy); const double len = (t * M_SQRT2 * d); const double height = ::basegfx::pruneScaleValue( M_SQRT1_2 / m_sqrtElements ); poly.clear(); @@ -130,7 +134,7 @@ SnakeWipe::SnakeWipe( sal_Int32 nElements, bool diagonal, bool flipOnYAxis ) { const double sqrtArea2 = sqrt( t * m_sqrtElements * m_sqrtElements ); const double edge = ::basegfx::pruneScaleValue( - static_cast<double>( static_cast<sal_Int32>(sqrtArea2) ) / + std::trunc(sqrtArea2) / m_sqrtElements ); ::basegfx::B2DPolygon poly; @@ -143,7 +147,8 @@ SnakeWipe::SnakeWipe( sal_Int32 nElements, bool diagonal, bool flipOnYAxis ) res.append(poly); } const double a = (M_SQRT1_2 / m_sqrtElements); - const double d = (sqrtArea2 - static_cast<sal_Int32>(sqrtArea2)); + double dummy; + const double d = std::modf(sqrtArea2, &dummy); const double len = ((1.0 - t) * M_SQRT2 * d); const double height = ::basegfx::pruneScaleValue( M_SQRT1_2 / m_sqrtElements ); poly.clear(); |