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Diffstat (limited to 'app/paint/gimpbrushcore.h')
| -rw-r--r-- | app/paint/gimpbrushcore.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/app/paint/gimpbrushcore.h b/app/paint/gimpbrushcore.h new file mode 100644 index 0000000..3ba4a41 --- /dev/null +++ b/app/paint/gimpbrushcore.h @@ -0,0 +1,152 @@ +/* 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_BRUSH_CORE_H__ +#define __GIMP_BRUSH_CORE_H__ + + +#include "gimppaintcore.h" + + +#define BRUSH_CORE_SUBSAMPLE 4 +#define BRUSH_CORE_SOLID_SUBSAMPLE 2 +#define BRUSH_CORE_JITTER_LUTSIZE 360 + + +#define GIMP_TYPE_BRUSH_CORE (gimp_brush_core_get_type ()) +#define GIMP_BRUSH_CORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_BRUSH_CORE, GimpBrushCore)) +#define GIMP_BRUSH_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_BRUSH_CORE, GimpBrushCoreClass)) +#define GIMP_IS_BRUSH_CORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_BRUSH_CORE)) +#define GIMP_IS_BRUSH_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_BRUSH_CORE)) +#define GIMP_BRUSH_CORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_BRUSH_CORE, GimpBrushCoreClass)) + + +typedef struct _GimpBrushCoreClass GimpBrushCoreClass; + +struct _GimpBrushCore +{ + GimpPaintCore parent_instance; + + GimpBrush *main_brush; + GimpBrush *brush; + GimpDynamics *dynamics; + gdouble spacing; + gdouble scale; + gdouble aspect_ratio; + gdouble angle; + gboolean reflect; + gdouble hardness; + + gdouble symmetry_angle; + gboolean symmetry_reflect; + + /* brush buffers */ + GimpTempBuf *pressure_brush; + + GimpTempBuf *solid_brushes[BRUSH_CORE_SOLID_SUBSAMPLE][BRUSH_CORE_SOLID_SUBSAMPLE]; + const GimpTempBuf *last_solid_brush_mask; + gboolean solid_cache_invalid; + + const GimpTempBuf *transform_brush; + const GimpTempBuf *transform_pixmap; + + GimpTempBuf *subsample_brushes[BRUSH_CORE_SUBSAMPLE + 1][BRUSH_CORE_SUBSAMPLE + 1]; + const GimpTempBuf *last_subsample_brush_mask; + gboolean subsample_cache_invalid; + + gdouble jitter; + gdouble jitter_lut_x[BRUSH_CORE_JITTER_LUTSIZE]; + gdouble jitter_lut_y[BRUSH_CORE_JITTER_LUTSIZE]; + + GRand *rand; +}; + +struct _GimpBrushCoreClass +{ + GimpPaintCoreClass parent_class; + + /* Set for tools that don't mind if the brush changes while painting */ + gboolean handles_changing_brush; + + /* Set for tools that don't mind if the brush scales while painting */ + gboolean handles_transforming_brush; + + /* Set for tools that don't mind if the brush scales mid stroke */ + gboolean handles_dynamic_transforming_brush; + + void (* set_brush) (GimpBrushCore *core, + GimpBrush *brush); + void (* set_dynamics) (GimpBrushCore *core, + GimpDynamics *brush); +}; + + +GType gimp_brush_core_get_type (void) G_GNUC_CONST; + +void gimp_brush_core_set_brush (GimpBrushCore *core, + GimpBrush *brush); + +void gimp_brush_core_set_dynamics (GimpBrushCore *core, + GimpDynamics *dynamics); + +void gimp_brush_core_paste_canvas (GimpBrushCore *core, + GimpDrawable *drawable, + const GimpCoords *coords, + gdouble brush_opacity, + gdouble image_opacity, + GimpLayerMode paint_mode, + GimpBrushApplicationMode brush_hardness, + gdouble dynamic_hardness, + GimpPaintApplicationMode mode); +void gimp_brush_core_replace_canvas (GimpBrushCore *core, + GimpDrawable *drawable, + const GimpCoords *coords, + gdouble brush_opacity, + gdouble image_opacity, + GimpBrushApplicationMode brush_hardness, + gdouble dynamic_hardness, + GimpPaintApplicationMode mode); + +void gimp_brush_core_color_area_with_pixmap + (GimpBrushCore *core, + GimpDrawable *drawable, + const GimpCoords *coords, + GeglBuffer *area, + gint area_x, + gint area_y, + gboolean apply_mask); + +const GimpTempBuf * gimp_brush_core_get_brush_mask + (GimpBrushCore *core, + const GimpCoords *coords, + GimpBrushApplicationMode brush_hardness, + gdouble dynamic_hardness); +const GimpTempBuf * gimp_brush_core_get_brush_pixmap + (GimpBrushCore *core); + +void gimp_brush_core_eval_transform_dynamics + (GimpBrushCore *core, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + const GimpCoords *coords); +void gimp_brush_core_eval_transform_symmetry + (GimpBrushCore *core, + GimpSymmetry *symmetry, + gint stroke); + + +#endif /* __GIMP_BRUSH_CORE_H__ */ |