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#ifndef GGAZE_ENHANCER_H
#define GGAZE_ENHANCER_H
#include "ggaze-config.h"
#include <gdk/gdk.h>
#include <gio/gio.h>
#include <glib.h>
#include <gegl.h>
G_BEGIN_DECLS
typedef struct {
char *c_name;
char *c_graph; /* GEGL graph string (for user presets) or NULL (built-in) */
int i_builtin; /* 1 if built-in (programmatic), 0 if user (graph text) */
} EnhancerPreset;
typedef struct Enhancer Enhancer;
Enhancer *enhancer_new(void);
void enhancer_delete(Enhancer *p_e);
void enhancer_set_presets(Enhancer *p_e, const GPtrArray *p_presets);
const GPtrArray *enhancer_get_presets(Enhancer *p_e);
/* Apply a preset to a GeglBuffer (returns a new buffer, or NULL on error). */
GeglBuffer *enhancer_apply(Enhancer *p_e, GeglBuffer *p_in,
const EnhancerPreset *p_preset, GError **p_err);
/* Apply a chain of the enabled built-in presets (bit i of u_mask -> preset i)
* in array order, composing them. Returns a new buffer, or NULL if none are
* enabled / on error. */
GeglBuffer *enhancer_apply_chain(Enhancer *p_e, GeglBuffer *p_in,
const GPtrArray *p_presets, guint8 u_mask,
GError **p_err);
/* Export the enhanced buffer to a file. The saver is chosen from p_out's
* extension: .jpg/.jpeg -> gegl:jpg-save (quality 95), .png -> gegl:png-save,
* .webp -> gegl:webp-save (if available). Other extensions fail with
* G_IO_ERROR_NOT_SUPPORTED. Success is verified by a real stat of the output
* (not pre-existence). Returns TRUE on success. */
gboolean enhancer_export(Enhancer *p_e, GeglBuffer *p_in,
const EnhancerPreset *p_preset, GFile *p_out,
GError **p_err);
/* Export p_in with the enabled-preset chain (u_mask) composed, to p_out. */
gboolean enhancer_export_chain(Enhancer *p_e, GeglBuffer *p_in,
const GPtrArray *p_presets, guint8 u_mask,
GFile *p_out, GError **p_err);
#if GGAZE_HAVE_GEGL
/* Load a file into a GeglBuffer via the gegl:load op. Returns a new buffer
* (caller unrefs) or NULL with p_err set. */
GeglBuffer *enhancer_load(GFile *p_file, GError **p_err);
/* Convert a GeglBuffer to a GdkTexture for preview (RGBA8 bytes). Returns a
* new GdkTexture (caller unrefs) or NULL with p_err set. Needs no display. */
GdkTexture *enhancer_buffer_to_texture(GeglBuffer *p_buf, GError **p_err);
#endif /* GGAZE_HAVE_GEGL */
G_END_DECLS
#endif
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