trunk/libfjme/Utils.h

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/*
A GTK video editor Designed for Artists to do, special effects, compositing and animation.
Copyright (C) 2011  Fabio J. Gonzalez

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef FJME_UTILS_H
#define FJME_UTILS_H

#include <glib.h>
#include "video.h"

#define sq(x) (x*x)

#define vec_distf( a, b ) \
        ( sqrt( sq(b.x - a.x) + sq(b.y - a.y) ) )

#define between_square( x, y, a, b, width, height ) \
  (x >= a && x < a+width && \
         y >= b && y < b+height)

#define setn(x, y) if(x == NULL) x = y

typedef struct AnmVector2d {
    gdouble* x;
    gdouble* y;
} AnmVector2d;

typedef union {
    gfloat c[2];

    struct {
        gfloat x;
        gfloat y;
    };

} Vector2f;

typedef struct {

    union {
        gdouble * c[3];

        struct {
            gdouble* r;

            gdouble* g;

            gdouble* b;
        };

        struct {
            gdouble* red;
            gdouble* green;
            gdouble* blue;
        };

    };
} AnmColor;

AnmColor* addAnmColor();

AnmColor* AnmColorFromColorD( Pixeld* c );

Vector2f* vector2f(gfloat x, gfloat y);

gboolean draw_plugin(iPlugin* p);

gboolean draw_plugin_custom( GdkPixbuf* pixels, iPlugin* p );

gchar* fjme_data_directory();


GtkWidget* fjme_button_from_file( gchar* file );
#endif