mutter/cogl/cogl-path.c

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/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2010 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Authors:
* Robert Bragg <robert@linux.intel.com>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "cogl.h"
#include "cogl-util.h"
#include "cogl-internal.h"
#include "cogl-context-private.h"
#include "cogl2-path.h"
#include <string.h>
#include <math.h>
#undef cogl_path_set_fill_rule
void
cogl_path_set_fill_rule (CoglPathFillRule fill_rule)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_set_fill_rule (ctx->current_path, fill_rule);
}
#undef cogl_path_get_fill_rule
CoglPathFillRule
cogl_path_get_fill_rule (void)
{
_COGL_GET_CONTEXT (ctx, COGL_PATH_FILL_RULE_EVEN_ODD);
return cogl2_path_get_fill_rule (ctx->current_path);
}
#undef cogl_path_fill
void
cogl_path_fill (void)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_fill (ctx->current_path);
cogl_object_unref (ctx->current_path);
ctx->current_path = cogl2_path_new ();
}
#undef cogl_path_fill_preserve
void
cogl_path_fill_preserve (void)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_fill (ctx->current_path);
}
#undef cogl_path_stroke
void
cogl_path_stroke (void)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_stroke (ctx->current_path);
cogl_object_unref (ctx->current_path);
ctx->current_path = cogl2_path_new ();
}
#undef cogl_path_stroke_preserve
void
cogl_path_stroke_preserve (void)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_stroke (ctx->current_path);
}
#undef cogl_path_move_to
void
cogl_path_move_to (float x,
float y)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_move_to (ctx->current_path, x, y);
}
#undef cogl_path_rel_move_to
void
cogl_path_rel_move_to (float x,
float y)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_rel_move_to (ctx->current_path, x, y);
}
#undef cogl_path_line_to
void
cogl_path_line_to (float x,
float y)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_line_to (ctx->current_path, x, y);
}
#undef cogl_path_rel_line_to
void
cogl_path_rel_line_to (float x,
float y)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_rel_line_to (ctx->current_path, x, y);
}
#undef cogl_path_close
void
cogl_path_close (void)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_close (ctx->current_path);
}
#undef cogl_path_new
void
cogl_path_new (void)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl_object_unref (ctx->current_path);
ctx->current_path = cogl2_path_new ();
}
#undef cogl_path_line
void
cogl_path_line (float x_1,
float y_1,
float x_2,
float y_2)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_line (ctx->current_path, x_1, y_1, x_2, y_2);
}
#undef cogl_path_polyline
void
cogl_path_polyline (const float *coords,
int num_points)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_polyline (ctx->current_path, coords, num_points);
}
#undef cogl_path_polygon
void
cogl_path_polygon (const float *coords,
int num_points)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_polygon (ctx->current_path, coords, num_points);
}
#undef cogl_path_rectangle
void
cogl_path_rectangle (float x_1,
float y_1,
float x_2,
float y_2)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_rectangle (ctx->current_path, x_1, y_1, x_2, y_2);
}
#undef cogl_path_arc
void
cogl_path_arc (float center_x,
float center_y,
float radius_x,
float radius_y,
float angle_1,
float angle_2)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_arc (ctx->current_path,
center_x,
center_y,
radius_x,
radius_y,
angle_1,
angle_2);
}
#undef cogl_path_ellipse
void
cogl_path_ellipse (float center_x,
float center_y,
float radius_x,
float radius_y)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_ellipse (ctx->current_path,
center_x,
center_y,
radius_x,
radius_y);
}
#undef cogl_path_round_rectangle
void
cogl_path_round_rectangle (float x_1,
float y_1,
float x_2,
float y_2,
float radius,
float arc_step)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_round_rectangle (ctx->current_path,
x_1, y_1, x_2, y_2, radius, arc_step);
}
#undef cogl_path_curve_to
void
cogl_path_curve_to (float x_1,
float y_1,
float x_2,
float y_2,
float x_3,
float y_3)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_curve_to (ctx->current_path,
x_1, y_2, x_2, y_2, x_3, y_3);
}
#undef cogl_path_rel_curve_to
void
cogl_path_rel_curve_to (float x_1,
float y_1,
float x_2,
float y_2,
float x_3,
float y_3)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl2_path_rel_curve_to (ctx->current_path,
x_1, y_1, x_2, y_2, x_3, y_3);
}
CoglPath *
cogl_get_path (void)
{
_COGL_GET_CONTEXT (ctx, NULL);
return ctx->current_path;
}
void
cogl_set_path (CoglPath *path)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
_COGL_RETURN_IF_FAIL (cogl_is_path (path));
/* Reference the new object first in case it is the same as the old
object */
cogl_object_ref (path);
cogl_object_unref (ctx->current_path);
ctx->current_path = path;
}