trunk/libfjme/video.h File Reference

#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gtk/gtk.h>
#include "basic.h"

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Data Structures
struct	VideoFrame
struct	Layer
	This structure represents a layer of video. More...
struct	Pixelf
struct	Pixeld
struct	Pixel
Defines
#define	GetPixeIntf(pixbuf, x,y)   GetPixelf( pixbuf, gdk_pixbuf_get_width(pixbuf) / 2 + x, gdk_pixbuf_get_height(pixbuf) / 2 + y )
	Get a pixel in the x and y coordinates of a GdkPixbuf. The difference is that 0 is the center of the screen.
#define	SetPixeIntf(pixbuf, x,y, p)   SetPixelf( pixbuf, gdk_pixbuf_get_width(pixbuf) / 2 + x, gdk_pixbuf_get_height(pixbuf) / 2 + y, p )
	Set a pixel in the x and y coordinates of a GdkPixbuf. The difference is that 0 is the center of the screen.
#define	GetPixelFloatf(pixbuf, x, y)   GetPixeIntf( pixbuf, x*(gdk_pixbuf_get_width(pixbuf) / 2) , y*(gdk_pixbuf_get_height(pixbuf)/2) )
#define	SetPixelFloatf(pixbuf, x, y, p)   SetPixeIntf( pixbuf, x*(gdk_pixbuf_get_width(pixbuf) / 2) , y*(gdk_pixbuf_get_height(pixbuf)/2), p )
#define	fjme_image_from_file(file)   gtk_image_new_from_pixbuf( gdk_pixbuf_new_from_file(file, NULL) )
#define	pixbuf_draw_fullcreen(dst, src)
	Occupies the entire space of GdkPixbuf destination, with the source. without rescaling it.
Typedefs
typedef struct Layer	Layer
typedef struct Pixel	Pixel
typedef struct Pixelf	Pixelf
typedef struct Pixeld	Pixeld
typedef struct VideoFrame	VideoFrame
Functions
void	SetPixel (GdkPixbuf *pixbuf, guint32 x, guint32 y, Pixel *p)
	Draws a single pixel in Pixbuf.
Pixel *	GetPixel (GdkPixbuf *pixbuf, guint32 x, guint32 y)
	Get a pointer (reading and writing) to the pixels of a pixbuf.
Pixelf	GetPixelf (GdkPixbuf *pixbuf, guint32 x, guint32 y)
void	SetPixelf (GdkPixbuf *pixbuf, guint32 x, guint32 y, Pixelf pf)
Layer *	addEmptyVideoLayer (guint32 width, guint32 height)
gboolean	LayerSet (Layer *layer)
	Prepare an existing layer, to use.
Layer *	findLayerByName (gchar *name)
gboolean	pixbuf_draw (GdkPixbuf *dst, GdkPixbuf *src, guint32 x, guint32 y, guint32 width, guint32 height)
	Draw a GdkPixbuf into another GdkPixbuf.
gboolean	pixbuf_draw_simple (GdkPixbuf *dst, GdkPixbuf *src, guint32 x, guint32 y)
	Draw a GdkPixbuf, pixel by pixel, without rescaling it. The destination image The source image. The x position in the destination image The y position in the destination image.
void	layer_window_show (GtkWidget *widget, gpointer data)

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Define Documentation

#define fjme_image_from_file

(

file

)

gtk_image_new_from_pixbuf( gdk_pixbuf_new_from_file(file, NULL) )

#define GetPixeIntf	(		pixbuf,
			x,
			y
	)		GetPixelf( pixbuf, gdk_pixbuf_get_width(pixbuf) / 2 + x, gdk_pixbuf_get_height(pixbuf) / 2 + y )

Get a pixel in the x and y coordinates of a GdkPixbuf. The difference is that 0 is the center of the screen.

#define GetPixelFloatf	(		pixbuf,
			x,
			y
	)		GetPixeIntf( pixbuf, x*(gdk_pixbuf_get_width(pixbuf) / 2) , y*(gdk_pixbuf_get_height(pixbuf)/2) )

#define pixbuf_draw_fullcreen	(		dst,
			src
	)

Value:

pixbuf_draw( dst, src, 0, 0, \
gdk_pixbuf_get_width(dst), gdk_pixbuf_get_height(dst))

Occupies the entire space of GdkPixbuf destination, with the source. without rescaling it.

The destination image The source image.

#define SetPixeIntf	(		pixbuf,
			x,
			y,
			p
	)		SetPixelf( pixbuf, gdk_pixbuf_get_width(pixbuf) / 2 + x, gdk_pixbuf_get_height(pixbuf) / 2 + y, p )

Set a pixel in the x and y coordinates of a GdkPixbuf. The difference is that 0 is the center of the screen.

#define SetPixelFloatf	(		pixbuf,
			x,
			y,
			p
	)		SetPixeIntf( pixbuf, x*(gdk_pixbuf_get_width(pixbuf) / 2) , y*(gdk_pixbuf_get_height(pixbuf)/2), p )

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Typedef Documentation

typedef struct Layer Layer

typedef struct Pixel Pixel

typedef struct Pixeld Pixeld

typedef struct Pixelf Pixelf

typedef struct VideoFrame VideoFrame

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Function Documentation

Layer* addEmptyVideoLayer	(	guint32	width,
		guint32	height
	)

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Layer* findLayerByName

(

gchar *

name

)

Pixel* GetPixel	(	GdkPixbuf *	pixbuf,
		guint32	x,
		guint32	y
	)

Get a pointer (reading and writing) to the pixels of a pixbuf.

Author:

Fabio J. Gonzalez

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Pixelf GetPixelf	(	GdkPixbuf *	pixbuf,
		guint32	x,
		guint32	y
	)

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void layer_window_show	(	GtkWidget *	widget,
		gpointer	data
	)

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gboolean LayerSet

(

Layer *

layer

)

Prepare an existing layer, to use.

Author:

Fabio J. Gonzalez

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gboolean pixbuf_draw	(	GdkPixbuf *	dst,
		GdkPixbuf *	src,
		guint32	x,
		guint32	y,
		guint32	width,
		guint32	height
	)

Draw a GdkPixbuf into another GdkPixbuf.

Returns true if can draw the entire image, false if not The destination image The source image. The x position in the destination image The y position in the destination image The new image size width at the destination. The new image size height at the destination.

Author:

Fabio J. Gonzalez

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gboolean pixbuf_draw_simple	(	GdkPixbuf *	dst,
		GdkPixbuf *	src,
		guint32	x,
		guint32	y
	)

Draw a GdkPixbuf, pixel by pixel, without rescaling it. The destination image The source image. The x position in the destination image The y position in the destination image.

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void SetPixel	(	GdkPixbuf *	pixbuf,
		guint32	x,
		guint32	y,
		Pixel *	p
	)

Draws a single pixel in Pixbuf.

void SetPixelf	(	GdkPixbuf *	pixbuf,
		guint32	x,
		guint32	y,
		Pixelf	pf
	)

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