proc rotozoomSurface*(src: Surface; angle: cdouble; zoom: cdouble; smooth: cint): Surface {.
cdecl, importc: "rotozoomSurface", dynlib: SDL2_GFX_LIB.}-
Rotates and zooms a surface and optional anti-aliasing.
proc rotozoomSurfaceXY*(src: Surface; angle: cdouble; zoomx: cdouble;
zoomy: cdouble; smooth: cint): Surface {.cdecl,
importc: "rotozoomSurfaceXY", dynlib: SDL2_GFX_LIB.}-
Rotates and zooms a surface with different horizontal and vertical scaling factors and optional anti-aliasing.
proc rotozoomSurfaceSize*(width: cint; height: cint; angle: cdouble;
zoom: cdouble; dstwidth: ptr cint; dstheight: ptr cint) {.
cdecl, importc: "rotozoomSurfaceSize", dynlib: SDL2_GFX_LIB.}-
Return the size of the resulting target surface for a rotozoomSurface() call.
proc rotozoomSurfaceSizeXY*(width: cint; height: cint; angle: cdouble;
zoomx: cdouble; zoomy: cdouble; dstwidth: ptr cint;
dstheight: ptr cint) {.cdecl,
importc: "rotozoomSurfaceSizeXY", dynlib: SDL2_GFX_LIB.}-
Return the size of the resulting target surface for a rotozoomSurfaceXY() call.
proc zoomSurface*(src: Surface; zoomx: cdouble; zoomy: cdouble; smooth: cint): Surface {.
cdecl, importc: "zoomSurface", dynlib: SDL2_GFX_LIB.}-
Zoom a surface by independent horizontal and vertical factors with optional smoothing.
proc zoomSurfaceSize*(width: cint; height: cint; zoomx: cdouble; zoomy: cdouble;
dstwidth: ptr cint; dstheight: ptr cint) {.cdecl,
importc: "zoomSurfaceSize", dynlib: SDL2_GFX_LIB.}-
Calculates the size of the target surface for a zoomSurface() call.
proc shrinkSurface*(src: Surface; factorx: cint; factory: cint): Surface {.
cdecl, importc: "shrinkSurface", dynlib: SDL2_GFX_LIB.}-
Shrink a surface by an integer ratio using averaging.
proc rotateSurface90Degrees*(src: Surface; numClockwiseTurns: cint): Surface {.
cdecl, importc: "rotateSurface90Degrees", dynlib: SDL2_GFX_LIB.}-
Rotates a 32 bit surface in increments of 90 degrees.