MHEG-5 Glue: Dynamic line-art related functions. More...

#include "osd_utils.h"
#include "glue_memory.h"
#include "glue_debug.h"
#include "mg_osd.h"
#include "mg_api.h"

Macros
#define	INTELLIGENT_RENDER_WITH_SCREEN_COORDS

#define	MAX(a, b) ((a) > (b) ? (a) : (b))

#define	MIN(a, b) ((a) < (b) ? (a) : (b))

#define	HD_SCALEUP_RECT(dli, x, y, w, h, lw)

#define	HD_SCALEUP_REGN(dli, l, t, r, b)

#define	LOCK_BUFFER(di, c_sz)

#define	UNLOCK_BUFFER(di)

Typedefs
typedef struct _DLA_Info	DLA_Info

Functions
void	OSDclearDynamicLineart (void *data)
	On screen display - clear dynamic line art. More...

void *	OSDinitDynamicLineart (int x, int y, int w, int h, int line_width, int bordered, OSDColor line_colour, OSDColor fill_colour)
	On screen display - initialise dynamic line art. More...

void	OSDfreeDynamicLineart (void *data)
	On screen display - free resources dla. More...

void	OSDdrawArc (void *data, int x, int y, int w, int h, int start_angle, int arc_angle, int line_width, OSDColor line_colour)
	Add a draw arc action to the action list. More...

void	OSDdrawEllipse (void *data, int x, int y, int w, int h, int line_width, OSDColor line_colour, OSDColor fill_colour)
	Add a draw ellipse action to the action list. More...

void	OSDdrawSector (void *data, int x, int y, int w, int h, int start_angle, int arc_angle, int line_width, OSDColor line_colour, OSDColor fill_colour)
	Add a draw sector action to the action list. More...

void	OSDdrawDrawLine (void *data, int x1, int y1, int x2, int y2, int line_width, OSDColor line_colour)
	Add a line draw action to the list. More...

void	OSDdrawPolygonStart (void *data)
	Initialise a new draw polygon to add to the action list. More...

void	OSDdrawPolygonAdd (void *data, int x, int y)
	Add co-ordinates that describe a polygon to draw to the action list. More...

void	OSDdrawPolygon (void *data, int line_width, OSDColor line_colour, OSDColor fill_colour, int filled)
	Add a draw polygon instruction to the action list. More...

void	OSDdrawRectangle (void *data, int x1, int y1, int x2, int y2, int line_width, OSDColor line_colour, OSDColor fill_colour)
	Add a draw rectangle action to the action list. More...

void	MG_OSDdisplayDynamicLineart (void data, S_REGION overlap, int x, int y)
	Display dynamic lineart. More...

Detailed Description

MHEG-5 Glue: Dynamic line-art related functions.

Date: 14 November 2006

Author: Omri Barel

Macro Definition Documentation

#define HD_SCALEUP_RECT	(	dli,
		x,
		y,
		w,
		h,
		lw
	)

Value:

if (mg_ctxt.osd_y.mlt != mg_ctxt.osd_y.div) \
   { \
      w = HD_X_SCALEUP(dli->sd_x + w + x); \
      x = HD_X_SCALEUP(dli->sd_x + x); \
      w -= x; \
      x -= HD_X_SCALEUP(dli->sd_x); \
      h = HD_Y_SCALEUP(dli->sd_y + h + y); \
      y = HD_Y_SCALEUP(dli->sd_y + y); \
      h -= y; \
      y -= HD_Y_SCALEUP(dli->sd_y); \
      if (lw) { \
         lw = HD_W_SCALEUP(lw); \
      } \
   }

#define HD_SCALEUP_REGN	(	dli,
		l,
		t,
		r,
		b
	)

Value:

if (mg_ctxt.osd_y.mlt != mg_ctxt.osd_y.div) \
   { \
      r = HD_X_SCALEUP(dli->sd_x + r) - HD_X_SCALEUP(dli->sd_x); \
      l = HD_X_SCALEUP(dli->sd_x + l) - HD_X_SCALEUP(dli->sd_x); \
      t = HD_Y_SCALEUP(dli->sd_y + t) - HD_Y_SCALEUP(dli->sd_y); \
      b = HD_Y_SCALEUP(dli->sd_y + b) - HD_Y_SCALEUP(dli->sd_y); \
   }

#define LOCK_BUFFER	(	di,
		c_sz
	)

Value:

if (di->canvas.col_buff == NULL) { \
      di->canvas.col_buff = STB_OSDMhegLockBuffer( di->canvas.hw_handle, &di->canvas.buff_pitch ); \
   }

#define UNLOCK_BUFFER ( di )

Value:

if (di->canvas.col_buff != NULL) { \
      STB_OSDMhegUnlockBuffer( di->canvas.hw_handle ); \
      di->canvas.col_buff = NULL; \
   }

Function Documentation

void MG_OSDdisplayDynamicLineart	(	void *	data,
		S_REGION *	overlap,
		int	x,
		int	y
	)

Display dynamic lineart.

Parameters

void	* data DLA action list

Warning

Bug:

void OSDclearDynamicLineart ( void * data )

On screen display - clear dynamic line art.

Parameters

void	* data Dynamic line-art object.

Warning

Bug:

void OSDdrawArc	(	void *	data,
		int	x,
		int	y,
		int	w,
		int	h,
		int	start_angle,
		int	arc_angle,
		int	line_width,
		OSDColor	line_colour
	)

Add a draw arc action to the action list.

Parameters

void * data Action list int x Top left x-coord of object int y Top left y-coord of object int w Width of object int h Height of object int start_angle The initial angle of the ellipse int arc_angle The extent of the arc int line_width Width of the line used to draw the arc OSDColor line_colour The line drawing colour

Warning

Bug:

void OSDdrawDrawLine	(	void *	data,
		int	x1,
		int	y1,
		int	x2,
		int	y2,
		int	line_width,
		OSDColor	line_colour
	)

Add a line draw action to the list.

Add a draw line action to the action list.

Parameters

void	* data Pointer to action list x1 int Line start x position y1 int Line start y position x2 int Line end x position y2 int Line end y position line_width int Line pixel width line_colour OSDColour Line colour

Warning

Bug:

void OSDdrawEllipse	(	void *	data,
		int	x,
		int	y,
		int	w,
		int	h,
		int	line_width,
		OSDColor	line_colour,
		OSDColor	fill_colour
	)

Add a draw ellipse action to the action list.

Parameters

void	* data Action list to be added to int x Top left x-coord of object int y Top left y-coord of object int w Width of object int h Height of object int line_width Width of the line used to draw the arc OSDColor line_colour The line drawing colour OSDColor fill_colour The fill colour of the ellipse

Warning

Bug:

void OSDdrawPolygon	(	void *	data,
		int	line_width,
		OSDColor	line_colour,
		OSDColor	fill_colour,
		int	filled
	)

Add a draw polygon instruction to the action list.

Parameters

void	* data Action list to be added to int line_width Width of the draw line OSDColor line_colour Colour of the line OSDColor fill_colour Polygon fill colour int filled Fill polygon

Warning

Bug:

void OSDdrawPolygonAdd	(	void *	data,
		int	x,
		int	y
	)

Add co-ordinates that describe a polygon to draw to the action list.

Parameters

void	* data Pointer to action list int x Top left x co-ord of object int y Top left y co-ord of object

Warning

Bug:

void OSDdrawPolygonStart ( void * data )

Initialise a new draw polygon to add to the action list.

Parameters

void	* data Pointer to action list

Warning

Bug:

void OSDdrawRectangle	(	void *	data,
		int	x1,
		int	y1,
		int	x2,
		int	y2,
		int	line_width,
		OSDColor	line_colour,
		OSDColor	fill_colour
	)

Add a draw rectangle action to the action list.

Parameters

void	* data Action list to be added to int x1 1st pixel x co-ord int y1 1st pixel y co-ord int x2 2nd pixel x co-ord int y2 2nd pixel y co-ord int line_width Width of the line used to draw the arc int line_colour The line drawing colour int fill_colour The fill colour of the ellipse

Warning

Bug:

void OSDdrawSector	(	void *	data,
		int	x,
		int	y,
		int	w,
		int	h,
		int	start_angle,
		int	arc_angle,
		int	line_width,
		OSDColor	line_colour,
		OSDColor	fill_colour
	)

Add a draw sector action to the action list.

Parameters

void * data Action list to be added to. int x Top left x-coord of object. int y Top left y-coord of object. int w Width of object. int h Height of object. int start_angle The initial angle of the ellipse int arc_angle The extent of the arc int line_width Width of the line used to draw the arc OSDColor line_colour The line drawing colour OSDColor fill_colour The fill colour of the ellipse

Warning

Bug:

void OSDfreeDynamicLineart ( void * data )

On screen display - free resources dla.

Parameters

void	* data Dynamic line-art object.

Warning

Bug:

void* OSDinitDynamicLineart	(	int	x,
		int	y,
		int	w,
		int	h,
		int	line_width,
		int	bordered,
		OSDColor	line_colour,
		OSDColor	fill_colour
	)

On screen display - initialise dynamic line art.

Parameters

int	w Width of object int h Height of object int line_width Width of the line used to draw the arc int bordered A boolean, cuningly disguised as an int. OSDColor line_colour The line drawing colour OSDColor fill_colour The fill colour of the ellipse

Returns: S_DLA_ACTION The action list.

Warning

Bug:

Macros

Typedefs

Functions

Detailed Description

Macro Definition Documentation

Function Documentation