Adding upstream version 2.10.22.upstream/2.10.22upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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__  */