本文整理汇总了C++中Surface::GetPadding方法的典型用法代码示例。如果您正苦于以下问题：C++ Surface::GetPadding方法的具体用法？C++ Surface::GetPadding怎么用？C++ Surface::GetPadding使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Surface的用法示例。
在下文中一共展示了Surface::GetPadding方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
/*static*/ void Surface::MaskBlendBlit( const Surface& Src, Surface& Dest, int dx, int dy, int w, int h, int sx, int sy, uint ColorKey )
{
if( !ClipRectangles( Src, Dest, dx, dy, w, h, sx, sy ) )
{
return;
}
int Length = w * BYTES;
int SrcIncrement = ( Src.GetWidth() * BYTES ) + Src.GetPadding() + Length;
int DestIncrement = ( Dest.GetWidth() * BYTES ) + Dest.GetPadding() + Length;
byte* DestPixels = Dest.GetPointerAt( dx, dy );
const byte* SrcPixels = Src.GetPointerAt( sx, sy );
// Would it be faster to iterate forward (Pixels += ...)? for cache reasons...?
for( int j = 0; j < h; ++j )
{
for( int i = 0; i < w; ++i )
{
// Conditional: bad, but coming up with a *faster* mathy way is hard
if( ( *(unsigned int*)SrcPixels & 0x00ffffff ) != ColorKey )
{
*DestPixels++ = ( *DestPixels + *SrcPixels++ ) >> 1;
*DestPixels++ = ( *DestPixels + *SrcPixels++ ) >> 1;
*DestPixels++ = ( *DestPixels + *SrcPixels++ ) >> 1;
}
else
{
DestPixels += BYTES;
SrcPixels += BYTES;
}
}示例2: ASSERT
// This assumes that both Surfaces are the same format and bit depth
/*static*/ void Surface::ScaledBlit( const Surface& Src, Surface& Dest, int Scalar )
{
PROFILE_FUNCTION;
ASSERT( Src.GetWidth() * Scalar == Dest.GetWidth() );
ASSERT( Src.GetHeight() * Scalar == Dest.GetHeight() );
const byte* SrcPixels = Src.GetPointerAt( 0, 0 );
int SrcIncrement = Src.GetStride() * 2 - Src.GetPadding(); // Roll forward (padding) to end of line then roll back two lines (stride*2)
int DestIncrement = Dest.GetStride() + Scalar * BYTES; // Roll back scalar width plus one line
for( int SrcY = 0; SrcY < Src.GetHeight(); ++SrcY )
{
for( int SrcX = 0; SrcX < Src.GetWidth(); ++SrcX )
{
byte B = *SrcPixels++;
byte G = *SrcPixels++;
byte R = *SrcPixels++;
byte* DestPixels = Dest.GetPointerAt( SrcX * Scalar, SrcY * Scalar );
for( int j = 0; j < Scalar; ++j )
{
for( int i = 0; i < Scalar; ++i )
{
*DestPixels++ = B;
*DestPixels++ = G;
*DestPixels++ = R;
}
DestPixels -= DestIncrement;
}
}
SrcPixels -= SrcIncrement;
}
}示例3: memcpy
/*static*/ void Surface::StandardBlit( const Surface& Src, Surface& Dest, int dx, int dy, int w, int h, int sx, int sy )
{
if( !ClipRectangles( Src, Dest, dx, dy, w, h, sx, sy ) )
{
return;
}
int Length = w * BYTES;
int SrcIncrement = ( Src.GetWidth() * BYTES ) + Src.GetPadding();
int DestIncrement = ( Dest.GetWidth() * BYTES ) + Dest.GetPadding();
byte* DestPixels = Dest.GetPointerAt( dx, dy );
const byte* SrcPixels = Src.GetPointerAt( sx, sy );
// Would it be faster to iterate forward (Pixels += ...)? for cache reasons...?
for( int j = 0; j < h; ++j )
{
memcpy( DestPixels, SrcPixels, Length );
DestPixels -= DestIncrement;
SrcPixels -= SrcIncrement;
}
}