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gsktransform.h
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/*
* Copyright © 2019 Benjamin Otte
*
* 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 2.1 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: Benjamin Otte <[email protected]>
*/
#ifndef __GSK_TRANSFORM_H__
#define __GSK_TRANSFORM_H__
#if !defined (__GSK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gsk/gsk.h> can be included directly."
#endif
#include <gsk/gskenums.h>
#include <gsk/gsktypes.h>
G_BEGIN_DECLS
#define GSK_TYPE_TRANSFORM (gsk_transform_get_type ())
GDK_AVAILABLE_IN_ALL
GType gsk_transform_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_ref (GskTransform *self);
GDK_AVAILABLE_IN_ALL
void gsk_transform_unref (GskTransform *self);
GDK_AVAILABLE_IN_ALL
void gsk_transform_print (GskTransform *self,
GString *string);
GDK_AVAILABLE_IN_ALL
char * gsk_transform_to_string (GskTransform *self);
GDK_AVAILABLE_IN_ALL
gboolean gsk_transform_parse (const char *string,
GskTransform **out_transform);
GDK_AVAILABLE_IN_ALL
void gsk_transform_to_matrix (GskTransform *self,
graphene_matrix_t *out_matrix);
GDK_AVAILABLE_IN_ALL
void gsk_transform_to_2d (GskTransform *self,
float *out_xx,
float *out_yx,
float *out_xy,
float *out_yy,
float *out_dx,
float *out_dy);
GDK_AVAILABLE_IN_ALL
void gsk_transform_to_affine (GskTransform *self,
float *out_scale_x,
float *out_scale_y,
float *out_dx,
float *out_dy);
GDK_AVAILABLE_IN_ALL
void gsk_transform_to_translate (GskTransform *self,
float *out_dx,
float *out_dy);
GDK_AVAILABLE_IN_ALL
GskTransformCategory gsk_transform_get_category (GskTransform *self) G_GNUC_PURE;
GDK_AVAILABLE_IN_ALL
gboolean gsk_transform_equal (GskTransform *first,
GskTransform *second) G_GNUC_PURE;
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_new (void);
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_transform (GskTransform *next,
GskTransform *other) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_invert (GskTransform *self) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_matrix (GskTransform *next,
const graphene_matrix_t *matrix) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_translate (GskTransform *next,
const graphene_point_t *point) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_translate_3d (GskTransform *next,
const graphene_point3d_t *point) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_rotate (GskTransform *next,
float angle) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_rotate_3d (GskTransform *next,
float angle,
const graphene_vec3_t *axis) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_scale (GskTransform *next,
float factor_x,
float factor_y) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_scale_3d (GskTransform *next,
float factor_x,
float factor_y,
float factor_z) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
GskTransform * gsk_transform_perspective (GskTransform *next,
float depth) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
void gsk_transform_transform_bounds (GskTransform *self,
const graphene_rect_t *rect,
graphene_rect_t *out_rect);
GDK_AVAILABLE_IN_ALL
void gsk_transform_transform_point (GskTransform *self,
const graphene_point_t *point,
graphene_point_t *out_point);
G_END_DECLS
#endif /* __GSK_TRANSFORM_H__ */