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#ifndef _EOG_TRANSFORM_H_
#define _EOG_TRANSFORM_H_
#include <glib-object.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
G_BEGIN_DECLS
#ifndef __EOG_JOB_DECLR__
#define __EOG_JOB_DECLR__
typedef struct _EogJob EogJob;
#endif
typedef enum {
EOG_TRANSFORM_NONE,
EOG_TRANSFORM_ROT_90,
EOG_TRANSFORM_ROT_180,
EOG_TRANSFORM_ROT_270,
EOG_TRANSFORM_FLIP_HORIZONTAL,
EOG_TRANSFORM_FLIP_VERTICAL,
EOG_TRANSFORM_TRANSPOSE,
EOG_TRANSFORM_TRANSVERSE
} EogTransformType;
#define EOG_TYPE_TRANSFORM (eog_transform_get_type ())
#define EOG_TRANSFORM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), EOG_TYPE_TRANSFORM, EogTransform))
#define EOG_TRANSFORM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), EOG_TYPE_TRANSFORM, EogTransformClass))
#define EOG_IS_TRANSFORM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), EOG_TYPE_TRANSFORM))
#define EOG_IS_TRANSFORM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), EOG_TYPE_TRANSFORM))
#define EOG_TRANSFORM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), EOG_TYPE_TRANSFORM, EogTransformClass))
/* =========================================
GObjecat wrapper around an affine transformation
----------------------------------------*/
typedef struct _EogTransform EogTransform;
typedef struct _EogTransformClass EogTransformClass;
typedef struct _EogTransformPrivate EogTransformPrivate;
struct _EogTransform {
GObject parent;
EogTransformPrivate *priv;
};
struct _EogTransformClass {
GObjectClass parent_klass;
};
GType eog_transform_get_type (void) G_GNUC_CONST;
GdkPixbuf* eog_transform_apply (EogTransform *trans, GdkPixbuf *pixbuf, EogJob *job);
EogTransform* eog_transform_reverse (EogTransform *trans);
EogTransform* eog_transform_compose (EogTransform *trans, EogTransform *compose);
gboolean eog_transform_is_identity (EogTransform *trans);
EogTransform* eog_transform_identity_new (void);
EogTransform* eog_transform_rotate_new (int degree);
EogTransform* eog_transform_flip_new (EogTransformType type /* only EOG_TRANSFORM_FLIP_* are valid */);
#if 0
EogTransform* eog_transform_scale_new (double sx, double sy);
#endif
EogTransform* eog_transform_new (EogTransformType trans);
EogTransformType eog_transform_get_transform_type (EogTransform *trans);
gboolean eog_transform_get_affine (EogTransform *trans, cairo_matrix_t *affine);
G_END_DECLS
#endif /* _EOG_TRANSFORM_H_ */
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