From e42129241681dde7adae7d20697e7b421682fbb4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:23:22 +0200 Subject: Adding upstream version 2.10.22. Signed-off-by: Daniel Baumann --- app/paint/gimperaser.c | 130 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 app/paint/gimperaser.c (limited to 'app/paint/gimperaser.c') diff --git a/app/paint/gimperaser.c b/app/paint/gimperaser.c new file mode 100644 index 0000000..68a535e --- /dev/null +++ b/app/paint/gimperaser.c @@ -0,0 +1,130 @@ +/* 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 . + */ + +#include "config.h" + +#include +#include + +#include "paint-types.h" + +#include "gegl/gimp-gegl-utils.h" + +#include "core/gimp.h" +#include "core/gimp-palettes.h" +#include "core/gimpdrawable.h" +#include "core/gimpdynamics.h" +#include "core/gimpimage.h" +#include "core/gimppickable.h" +#include "core/gimpsymmetry.h" + +#include "gimperaser.h" +#include "gimperaseroptions.h" + +#include "gimp-intl.h" + + +static gboolean gimp_eraser_get_color_history_color (GimpPaintbrush *paintbrush, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + GimpRGB *color); +static void gimp_eraser_get_paint_params (GimpPaintbrush *paintbrush, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + GimpSymmetry *sym, + gdouble grad_point, + GimpLayerMode *paint_mode, + GimpPaintApplicationMode *paint_appl_mode, + const GimpTempBuf **paint_pixmap, + GimpRGB *paint_color); + + +G_DEFINE_TYPE (GimpEraser, gimp_eraser, GIMP_TYPE_PAINTBRUSH) + + +void +gimp_eraser_register (Gimp *gimp, + GimpPaintRegisterCallback callback) +{ + (* callback) (gimp, + GIMP_TYPE_ERASER, + GIMP_TYPE_ERASER_OPTIONS, + "gimp-eraser", + _("Eraser"), + "gimp-tool-eraser"); +} + +static void +gimp_eraser_class_init (GimpEraserClass *klass) +{ + GimpPaintbrushClass *paintbrush_class = GIMP_PAINTBRUSH_CLASS (klass); + + paintbrush_class->get_color_history_color = gimp_eraser_get_color_history_color; + paintbrush_class->get_paint_params = gimp_eraser_get_paint_params; +} + +static void +gimp_eraser_init (GimpEraser *eraser) +{ +} + +static gboolean +gimp_eraser_get_color_history_color (GimpPaintbrush *paintbrush, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + GimpRGB *color) +{ + /* Erasing on a drawable without alpha is equivalent to + * drawing with background color. So let's save history. + */ + if (! gimp_drawable_has_alpha (drawable)) + { + GimpContext *context = GIMP_CONTEXT (paint_options); + + gimp_context_get_background (context, color); + + return TRUE; + } + + return FALSE; +} + +static void +gimp_eraser_get_paint_params (GimpPaintbrush *paintbrush, + GimpDrawable *drawable, + GimpPaintOptions *paint_options, + GimpSymmetry *sym, + gdouble grad_point, + GimpLayerMode *paint_mode, + GimpPaintApplicationMode *paint_appl_mode, + const GimpTempBuf **paint_pixmap, + GimpRGB *paint_color) +{ + GimpEraserOptions *options = GIMP_ERASER_OPTIONS (paint_options); + GimpContext *context = GIMP_CONTEXT (paint_options); + + gimp_context_get_background (context, paint_color); + gimp_pickable_srgb_to_image_color (GIMP_PICKABLE (drawable), + paint_color, paint_color); + + if (options->anti_erase) + *paint_mode = GIMP_LAYER_MODE_ANTI_ERASE; + else if (gimp_drawable_has_alpha (drawable)) + *paint_mode = GIMP_LAYER_MODE_ERASE; + else + *paint_mode = GIMP_LAYER_MODE_NORMAL_LEGACY; +} -- cgit v1.2.3