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Diffstat (limited to 'app/paint/gimppaintcore.h')
| -rw-r--r-- | app/paint/gimppaintcore.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/app/paint/gimppaintcore.h b/app/paint/gimppaintcore.h new file mode 100644 index 0000000..6e7f4d4 --- /dev/null +++ b/app/paint/gimppaintcore.h @@ -0,0 +1,216 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef __GIMP_PAINT_CORE_H__ +#define __GIMP_PAINT_CORE_H__ + + +#include "core/gimpobject.h" + + +#define GIMP_TYPE_PAINT_CORE (gimp_paint_core_get_type ()) +#define GIMP_PAINT_CORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PAINT_CORE, GimpPaintCore)) +#define GIMP_PAINT_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PAINT_CORE, GimpPaintCoreClass)) +#define GIMP_IS_PAINT_CORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PAINT_CORE)) +#define GIMP_IS_PAINT_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PAINT_CORE)) +#define GIMP_PAINT_CORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PAINT_CORE, GimpPaintCoreClass)) + + +typedef struct _GimpPaintCoreClass GimpPaintCoreClass; + +struct _GimpPaintCore +{ + GimpObject parent_instance; + + gint ID; /* unique instance ID */ + + gchar *undo_desc; /* undo description */ + + gboolean show_all; /* whether working in show-all mode */ + + GimpCoords start_coords; /* the last stroke's endpoint for undo */ + + GimpCoords cur_coords; /* current coords */ + GimpCoords last_coords; /* last coords */ + + GimpVector2 last_paint; /* last point that was painted */ + + gdouble distance; /* distance traveled by brush */ + gdouble pixel_dist; /* distance in pixels */ + + gint x1, y1; /* undo extents in image coords */ + gint x2, y2; /* undo extents in image coords */ + + gboolean use_saved_proj; /* keep the unmodified proj around */ + + GimpPickable *image_pickable; /* the image pickable */ + + GeglBuffer *undo_buffer; /* pixels which have been modified */ + GeglBuffer *saved_proj_buffer; /* proj tiles which have been modified */ + GeglBuffer *canvas_buffer; /* the buffer to paint the mask to */ + GeglBuffer *paint_buffer; /* the buffer to paint pixels to */ + gint paint_buffer_x; + gint paint_buffer_y; + + GeglBuffer *mask_buffer; /* the target drawable's mask */ + gint mask_x_offset; + gint mask_y_offset; + + GimpApplicator *applicator; + + GArray *stroke_buffer; +}; + +struct _GimpPaintCoreClass +{ + GimpObjectClass parent_class; + + /* virtual functions */ + gboolean (* start) (GimpPaintCore *core, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + const GimpCoords *coords, + GError **error); + + gboolean (* pre_paint) (GimpPaintCore *core, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + GimpPaintState paint_state, + guint32 time); + void (* paint) (GimpPaintCore *core, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + GimpSymmetry *sym, + GimpPaintState paint_state, + guint32 time); + void (* post_paint) (GimpPaintCore *core, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + GimpPaintState paint_state, + guint32 time); + + void (* interpolate) (GimpPaintCore *core, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + guint32 time); + + GeglBuffer * (* get_paint_buffer) (GimpPaintCore *core, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + GimpLayerMode paint_mode, + const GimpCoords *coords, + gint *paint_buffer_x, + gint *paint_buffer_y, + gint *paint_width, + gint *paint_height); + + GimpUndo * (* push_undo) (GimpPaintCore *core, + GimpImage *image, + const gchar *undo_desc); +}; + + +GType gimp_paint_core_get_type (void) G_GNUC_CONST; + +void gimp_paint_core_paint (GimpPaintCore *core, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + GimpPaintState state, + guint32 time); + +gboolean gimp_paint_core_start (GimpPaintCore *core, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + const GimpCoords *coords, + GError **error); +void gimp_paint_core_finish (GimpPaintCore *core, + GimpDrawable *drawable, + gboolean push_undo); +void gimp_paint_core_cancel (GimpPaintCore *core, + GimpDrawable *drawable); +void gimp_paint_core_cleanup (GimpPaintCore *core); + +void gimp_paint_core_interpolate (GimpPaintCore *core, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + const GimpCoords *coords, + guint32 time); + +void gimp_paint_core_set_show_all (GimpPaintCore *core, + gboolean show_all); +gboolean gimp_paint_core_get_show_all (GimpPaintCore *core); + +void gimp_paint_core_set_current_coords (GimpPaintCore *core, + const GimpCoords *coords); +void gimp_paint_core_get_current_coords (GimpPaintCore *core, + GimpCoords *coords); + +void gimp_paint_core_set_last_coords (GimpPaintCore *core, + const GimpCoords *coords); +void gimp_paint_core_get_last_coords (GimpPaintCore *core, + GimpCoords *coords); + +void gimp_paint_core_round_line (GimpPaintCore *core, + GimpPaintOptions *options, + gboolean constrain_15_degrees, + gdouble constrain_offset_angle, + gdouble constrain_xres, + gdouble constrain_yres); + + +/* protected functions */ + +GeglBuffer * gimp_paint_core_get_paint_buffer (GimpPaintCore *core, + GimpDrawable *drawable, + GimpPaintOptions *options, + GimpLayerMode paint_mode, + const GimpCoords *coords, + gint *paint_buffer_x, + gint *paint_buffer_y, + gint *paint_width, + gint *paint_height); + +GimpPickable * gimp_paint_core_get_image_pickable (GimpPaintCore *core); + +GeglBuffer * gimp_paint_core_get_orig_image (GimpPaintCore *core); +GeglBuffer * gimp_paint_core_get_orig_proj (GimpPaintCore *core); + +void gimp_paint_core_paste (GimpPaintCore *core, + const GimpTempBuf *paint_mask, + gint paint_mask_offset_x, + gint paint_mask_offset_y, + GimpDrawable *drawable, + gdouble paint_opacity, + gdouble image_opacity, + GimpLayerMode paint_mode, + GimpPaintApplicationMode mode); + +void gimp_paint_core_replace (GimpPaintCore *core, + const GimpTempBuf *paint_mask, + gint paint_mask_offset_x, + gint paint_mask_offset_y, + GimpDrawable *drawable, + gdouble paint_opacity, + gdouble image_opacity, + GimpPaintApplicationMode mode); + +void gimp_paint_core_smooth_coords (GimpPaintCore *core, + GimpPaintOptions *paint_options, + GimpCoords *coords); + + +#endif /* __GIMP_PAINT_CORE_H__ */ |