tdf#43157: convert most of canvas codebase away from OSL_ASSERT to assert

Change-Id: Ie6a5942dcac62a0bc3b589ff0b82922b313f88a8

canvas/source/cairo/cairo_canvashelper.cxx

@@ -663,7 +663,7 @@ namespace cairocanvas
     {
         int i;
 
-        OSL_ASSERT( rColors.getLength() == rStops.getLength() );
+        assert( rColors.getLength() == rStops.getLength() );
 
         for( i = 0; i < rColors.getLength(); i++ )
         {

canvas/source/opengl/ogl_canvashelper.cxx

@@ -193,7 +193,7 @@ namespace oglcanvas
             for( sal_Int32 i=0; i<nNumCols; ++i )
                 *pCurrCol++ = rHelper.getDevice()->getDeviceColorSpace()->convertToARGB(rValues.maColors[i])[0];
 
-            OSL_ASSERT(nNumCols == rValues.maStops.getLength());
+            assert(nNumCols == rValues.maStops.getLength());
 
             switch( rValues.meType )
             {

include/canvas/base/spritecanvasbase.hxx

@@ -139,7 +139,7 @@ namespace canvas
         // SpriteSurface
         virtual void showSprite( const Sprite::Reference& rSprite ) override
         {
-            OSL_ASSERT( rSprite.is() );
+            assert( rSprite.is() );
 
             typename BaseType::MutexType aGuard( BaseType::m_aMutex );
 
@@ -148,7 +148,7 @@ namespace canvas
 
         virtual void hideSprite( const Sprite::Reference& rSprite ) override
         {
-            OSL_ASSERT( rSprite.is() );
+            assert( rSprite.is() );
 
             typename BaseType::MutexType aGuard( BaseType::m_aMutex );
 
@@ -160,7 +160,7 @@ namespace canvas
                                  const ::basegfx::B2DPoint&     rNewPos,
                                  const ::basegfx::B2DVector&    rSpriteSize ) override
         {
-            OSL_ASSERT( rSprite.is() );
+            assert( rSprite.is() );
 
             typename BaseType::MutexType aGuard( BaseType::m_aMutex );
 
@@ -171,7 +171,7 @@ namespace canvas
                                    const ::basegfx::B2DPoint&   rPos,
                                    const ::basegfx::B2DRange&   rUpdateArea ) override
         {
-            OSL_ASSERT( rSprite.is() );
+            assert( rSprite.is() );
 
             typename BaseType::MutexType aGuard( BaseType::m_aMutex );