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142 lines
9.1 KiB
C
142 lines
9.1 KiB
C
/*
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* Copyright © 2019 Benjamin Otte
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Benjamin Otte <otte@gnome.org>
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*/
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#ifndef __GSK_TRANSFORM_H__
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#define __GSK_TRANSFORM_H__
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#if !defined (__GSK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gsk/gsk.h> can be included directly."
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#endif
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#include <gsk/gskenums.h>
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#include <gsk/gsktypes.h>
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G_BEGIN_DECLS
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#define GSK_TYPE_TRANSFORM (gsk_transform_get_type ())
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GDK_AVAILABLE_IN_ALL
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GType gsk_transform_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_ref (GskTransform *self);
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GDK_AVAILABLE_IN_ALL
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void gsk_transform_unref (GskTransform *self);
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GDK_AVAILABLE_IN_ALL
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void gsk_transform_print (GskTransform *self,
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GString *string);
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GDK_AVAILABLE_IN_ALL
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char * gsk_transform_to_string (GskTransform *self);
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GDK_AVAILABLE_IN_ALL
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gboolean gsk_transform_parse (const char *string,
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GskTransform **out_transform);
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GDK_AVAILABLE_IN_ALL
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void gsk_transform_to_matrix (GskTransform *self,
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graphene_matrix_t *out_matrix);
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GDK_AVAILABLE_IN_ALL
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void gsk_transform_to_2d (GskTransform *self,
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float *out_xx,
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float *out_yx,
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float *out_xy,
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float *out_yy,
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float *out_dx,
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float *out_dy);
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GDK_AVAILABLE_IN_4_6
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void gsk_transform_to_2d_components (GskTransform *self,
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float *out_skew_x,
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float *out_skew_y,
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float *out_scale_x,
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float *out_scale_y,
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float *out_angle,
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float *out_dx,
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float *out_dy);
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GDK_AVAILABLE_IN_ALL
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void gsk_transform_to_affine (GskTransform *self,
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float *out_scale_x,
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float *out_scale_y,
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float *out_dx,
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float *out_dy);
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GDK_AVAILABLE_IN_ALL
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void gsk_transform_to_translate (GskTransform *self,
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float *out_dx,
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float *out_dy);
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GDK_AVAILABLE_IN_ALL
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GskTransformCategory gsk_transform_get_category (GskTransform *self) G_GNUC_PURE;
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GDK_AVAILABLE_IN_ALL
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gboolean gsk_transform_equal (GskTransform *first,
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GskTransform *second) G_GNUC_PURE;
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_new (void);
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_transform (GskTransform *next,
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GskTransform *other) G_GNUC_WARN_UNUSED_RESULT;
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_invert (GskTransform *self) G_GNUC_WARN_UNUSED_RESULT;
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_matrix (GskTransform *next,
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const graphene_matrix_t *matrix) G_GNUC_WARN_UNUSED_RESULT;
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_translate (GskTransform *next,
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const graphene_point_t *point) G_GNUC_WARN_UNUSED_RESULT;
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_translate_3d (GskTransform *next,
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const graphene_point3d_t *point) G_GNUC_WARN_UNUSED_RESULT;
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GDK_AVAILABLE_IN_4_6
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GskTransform * gsk_transform_skew (GskTransform *next,
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float skew_x,
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float skew_y) G_GNUC_WARN_UNUSED_RESULT;
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_rotate (GskTransform *next,
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float angle) G_GNUC_WARN_UNUSED_RESULT;
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_rotate_3d (GskTransform *next,
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float angle,
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const graphene_vec3_t *axis) G_GNUC_WARN_UNUSED_RESULT;
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_scale (GskTransform *next,
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float factor_x,
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float factor_y) G_GNUC_WARN_UNUSED_RESULT;
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_scale_3d (GskTransform *next,
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float factor_x,
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float factor_y,
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float factor_z) G_GNUC_WARN_UNUSED_RESULT;
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GDK_AVAILABLE_IN_ALL
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GskTransform * gsk_transform_perspective (GskTransform *next,
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float depth) G_GNUC_WARN_UNUSED_RESULT;
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GDK_AVAILABLE_IN_ALL
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void gsk_transform_transform_bounds (GskTransform *self,
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const graphene_rect_t *rect,
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graphene_rect_t *out_rect);
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GDK_AVAILABLE_IN_ALL
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void gsk_transform_transform_point (GskTransform *self,
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const graphene_point_t *point,
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graphene_point_t *out_point);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GskTransform, gsk_transform_unref)
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G_END_DECLS
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#endif /* __GSK_TRANSFORM_H__ */
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