SDL_GetClipRect(3) SDL API Reference SDL_GetClipRect(3)NAME
SDL_GetClipRect - Gets the clipping rectangle for a surface.
SYNOPSIS
#include "SDL.h"
void SDL_GetClipRect(SDL_Surface *surface, SDL_Rect *rect);
DESCRIPTION
Gets the clipping rectangle for a surface. When this surface is the destination of a blit, only the area within the clip rectangle is drawn
into.
The rectangle pointed to by rect will be filled with the clipping rectangle of the surface.
SEE ALSO
SDL_SetClipRect, SDL_BlitSurface, SDL_Surface
SDL Tue 11 Sep 2001, 23:01 SDL_GetClipRect(3)
Check Out this Related Man Page
SDL_Surface(3) SDL API Reference SDL_Surface(3)NAME
SDL_Surface- Graphical Surface Structure
STRUCTURE DEFINITION
typedef struct SDL_Surface {
Uint32 flags; /* Read-only */
SDL_PixelFormat *format; /* Read-only */
int w, h; /* Read-only */
Uint16 pitch; /* Read-only */
void *pixels; /* Read-write */
/* clipping information */
SDL_Rect clip_rect; /* Read-only */
/* Reference count -- used when freeing surface */
int refcount; /* Read-mostly */
/* This structure also contains private fields not shown here */
} SDL_Surface;
STRUCTURE DATA
flags Surface flags
format Pixel format
w, h Width and height of the surface
pitch Length of a surface scanline in bytes
pixels Pointer to the actual pixel data
clip_rect surface clip rectangle
DESCRIPTION
SDL_Surface's represent areas of "graphical" memory, memory that can be drawn to. The video framebuffer is returned as a SDL_Surface by
SDL_SetVideoMode and SDL_GetVideoSurface. Most of the fields should be pretty obvious. w and h are the width and height of the surface in
pixels. pixels is a pointer to the actual pixel data, the surface should be locked before accessing this field. The clip_rect field is the
clipping rectangle as set by SDL_SetClipRect.
The following are supported in the flags field.
SDL_SWSURFACE Surface is stored in system memory
SDL_HWSURFACE Surface is stored in video memory
SDL_ASYNCBLIT Surface uses asynchronous blits if possible
SDL_ANYFORMAT Allows any pixel-format (Display surface)
SDL_HWPALETTE Surface has exclusive palette
SDL_DOUBLEBUF Surface is double buffered (Display surface)
SDL_FULLSCREEN Surface is full screen (Display Surface)
SDL_OPENGL Surface has an OpenGL context (Display Surface)
SDL_OPENGLBLIT Surface supports OpenGL blitting (Display Surface)
SDL_RESIZABLE Surface is resizable (Display Surface)
SDL_HWACCEL Surface blit uses hardware acceleration
SDL_SRCCOLORKEY Surface use colorkey blitting
SDL_RLEACCEL Colorkey blitting is accelerated with RLE
SDL_SRCALPHA Surface blit uses alpha blending
SDL_PREALLOC Surface uses preallocated memory
SEE ALSO
SDL_PixelFormat
SDL Tue 11 Sep 2001, 23:01 SDL_Surface(3)
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