SDL_shape_internals.h File Reference

#include "SDL_config.h"
#include "SDL_rect.h"
#include "SDL_shape.h"
#include "SDL_surface.h"
#include "begin_code.h"
#include "close_code.h"

Go to the source code of this file.

Classes
struct	SDL_QuadTreeChildren
struct	SDL_ShapeTree
union	SDL_ShapeUnion

Typedefs
typedef void(*	SDL_TraversalFunction )(SDL_ShapeTree *, void *)

Enumerations
enum	SDL_ShapeKind { QuadShape, TransparentShape, OpaqueShape }

Functions
void	SDL_CalculateShapeBitmap (SDL_WindowShapeMode mode, SDL_Surface *shape, Uint8 *bitmap, Uint8 ppb)
SDL_ShapeTree *	SDL_CalculateShapeTree (SDL_WindowShapeMode mode, SDL_Surface *shape)
void	SDL_FreeShapeTree (SDL_ShapeTree **shape_tree)
void	SDL_TraverseShapeTree (SDL_ShapeTree *tree, SDL_TraversalFunction function, void *closure)

Typedef Documentation

typedef void(* SDL_TraversalFunction)(SDL_ShapeTree *, void *)

Definition at line 54 of file SDL_shape_internals.h.

Enumeration Type Documentation

enum SDL_ShapeKind

Enumerator
QuadShape
TransparentShape
OpaqueShape

Definition at line 47 of file SDL_shape_internals.h.

Function Documentation

void SDL_CalculateShapeBitmap	(	SDL_WindowShapeMode	mode,
		SDL_Surface *	shape,
		Uint8 *	bitmap,
		Uint8	ppb
	)

Definition at line 67 of file SDL_shape.c.

References SDL_PixelFormat::Amask, SDL_Color::b, SDL_WindowShapeParams::binarizationCutoff, SDL_PixelFormat::BytesPerPixel, SDL_WindowShapeParams::colorKey, SDL_Surface::format, SDL_Color::g, SDL_Surface::h, SDL_WindowShapeMode::mode, NULL, SDL_WindowShapeMode::parameters, SDL_Surface::pitch, SDL_Surface::pixels, SDL_Color::r, SDL_GetRGBA(), SDL_LockSurface(), SDL_MUSTLOCK, SDL_UnlockSurface(), ShapeModeBinarizeAlpha, ShapeModeColorKey, ShapeModeDefault, ShapeModeReverseBinarizeAlpha, and SDL_Surface::w.

SDL_ShapeTree* SDL_CalculateShapeTree	(	SDL_WindowShapeMode	mode,
		SDL_Surface *	shape
	)

Definition at line 196 of file SDL_shape.c.

References SDL_Surface::h, NULL, RecursivelyCalculateShapeTree(), SDL_LockSurface(), SDL_MUSTLOCK, SDL_UnlockSurface(), and SDL_Surface::w.

void SDL_FreeShapeTree

(

SDL_ShapeTree **

shape_tree

)

Definition at line 223 of file SDL_shape.c.

References NULL, QuadShape, SDL_free(), and SDL_FreeShapeTree().

Referenced by SDL_FreeShapeTree().

void SDL_TraverseShapeTree	(	SDL_ShapeTree *	tree,
		SDL_TraversalFunction	function,
		void *	closure
	)

Definition at line 209 of file SDL_shape.c.

References SDL_ShapeUnion::children, SDL_ShapeTree::data, SDL_QuadTreeChildren::downleft, SDL_QuadTreeChildren::downright, SDL_ShapeTree::kind, NULL, QuadShape, SDL_assert, SDL_TraverseShapeTree(), SDL_QuadTreeChildren::upleft, and SDL_QuadTreeChildren::upright.

Referenced by SDL_TraverseShapeTree().