From 3c57dd931145d43f2b0aef96c4d178135956bf91 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 05:13:10 +0200 Subject: Adding upstream version 2.10.36. Signed-off-by: Daniel Baumann --- app/display/gimpcanvaslayerboundary.c | 322 ++++++++++++++++++++++++++++++++++ 1 file changed, 322 insertions(+) create mode 100644 app/display/gimpcanvaslayerboundary.c (limited to 'app/display/gimpcanvaslayerboundary.c') diff --git a/app/display/gimpcanvaslayerboundary.c b/app/display/gimpcanvaslayerboundary.c new file mode 100644 index 0000000..0e4b43b --- /dev/null +++ b/app/display/gimpcanvaslayerboundary.c @@ -0,0 +1,322 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpcanvaslayerboundary.c + * Copyright (C) 2010 Michael Natterer + * + * 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 "libgimpbase/gimpbase.h" +#include "libgimpmath/gimpmath.h" + +#include "display-types.h" + +#include "core/gimpchannel.h" +#include "core/gimplayer.h" +#include "core/gimplayer-floating-selection.h" + +#include "gimpcanvas-style.h" +#include "gimpcanvaslayerboundary.h" +#include "gimpdisplayshell.h" + + +enum +{ + PROP_0, + PROP_LAYER, + PROP_EDIT_MASK +}; + + +typedef struct _GimpCanvasLayerBoundaryPrivate GimpCanvasLayerBoundaryPrivate; + +struct _GimpCanvasLayerBoundaryPrivate +{ + GimpLayer *layer; + gboolean edit_mask; +}; + +#define GET_PRIVATE(layer_boundary) \ + ((GimpCanvasLayerBoundaryPrivate *) gimp_canvas_layer_boundary_get_instance_private ((GimpCanvasLayerBoundary *) (layer_boundary))) + + +/* local function prototypes */ + +static void gimp_canvas_layer_boundary_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_canvas_layer_boundary_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); +static void gimp_canvas_layer_boundary_finalize (GObject *object); +static void gimp_canvas_layer_boundary_draw (GimpCanvasItem *item, + cairo_t *cr); +static cairo_region_t * gimp_canvas_layer_boundary_get_extents (GimpCanvasItem *item); +static void gimp_canvas_layer_boundary_stroke (GimpCanvasItem *item, + cairo_t *cr); + + +G_DEFINE_TYPE_WITH_PRIVATE (GimpCanvasLayerBoundary, gimp_canvas_layer_boundary, + GIMP_TYPE_CANVAS_RECTANGLE) + +#define parent_class gimp_canvas_layer_boundary_parent_class + + +static void +gimp_canvas_layer_boundary_class_init (GimpCanvasLayerBoundaryClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpCanvasItemClass *item_class = GIMP_CANVAS_ITEM_CLASS (klass); + + object_class->set_property = gimp_canvas_layer_boundary_set_property; + object_class->get_property = gimp_canvas_layer_boundary_get_property; + object_class->finalize = gimp_canvas_layer_boundary_finalize; + + item_class->draw = gimp_canvas_layer_boundary_draw; + item_class->get_extents = gimp_canvas_layer_boundary_get_extents; + item_class->stroke = gimp_canvas_layer_boundary_stroke; + + g_object_class_install_property (object_class, PROP_LAYER, + g_param_spec_object ("layer", NULL, NULL, + GIMP_TYPE_LAYER, + GIMP_PARAM_READWRITE)); + + g_object_class_install_property (object_class, PROP_EDIT_MASK, + g_param_spec_boolean ("edit-mask", NULL, NULL, + FALSE, + GIMP_PARAM_READWRITE)); +} + +static void +gimp_canvas_layer_boundary_init (GimpCanvasLayerBoundary *layer_boundary) +{ +} + +static void +gimp_canvas_layer_boundary_finalize (GObject *object) +{ + GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (object); + + if (private->layer) + g_object_remove_weak_pointer (G_OBJECT (private->layer), + (gpointer) &private->layer); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_canvas_layer_boundary_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (object); + + switch (property_id) + { + case PROP_LAYER: + if (private->layer) + g_object_remove_weak_pointer (G_OBJECT (private->layer), + (gpointer) &private->layer); + private->layer = g_value_get_object (value); /* don't ref */ + if (private->layer) + g_object_add_weak_pointer (G_OBJECT (private->layer), + (gpointer) &private->layer); + break; + case PROP_EDIT_MASK: + private->edit_mask = g_value_get_boolean (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_canvas_layer_boundary_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (object); + + switch (property_id) + { + case PROP_LAYER: + g_value_set_object (value, private->layer); + break; + case PROP_EDIT_MASK: + g_value_set_boolean (value, private->edit_mask); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_canvas_layer_boundary_draw (GimpCanvasItem *item, + cairo_t *cr) +{ + GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (item); + + if (private->layer) + GIMP_CANVAS_ITEM_CLASS (parent_class)->draw (item, cr); +} + +static cairo_region_t * +gimp_canvas_layer_boundary_get_extents (GimpCanvasItem *item) +{ + GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (item); + + if (private->layer) + return GIMP_CANVAS_ITEM_CLASS (parent_class)->get_extents (item); + + return NULL; +} + +static void +gimp_canvas_layer_boundary_stroke (GimpCanvasItem *item, + cairo_t *cr) +{ + GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (item); + GimpDisplayShell *shell = gimp_canvas_item_get_shell (item); + + gimp_canvas_set_layer_style (gimp_canvas_item_get_canvas (item), cr, + private->layer, + shell->offset_x, shell->offset_y); + cairo_stroke (cr); +} + +GimpCanvasItem * +gimp_canvas_layer_boundary_new (GimpDisplayShell *shell) +{ + g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), NULL); + + return g_object_new (GIMP_TYPE_CANVAS_LAYER_BOUNDARY, + "shell", shell, + NULL); +} + +void +gimp_canvas_layer_boundary_set_layer (GimpCanvasLayerBoundary *boundary, + GimpLayer *layer) +{ + GimpCanvasLayerBoundaryPrivate *private; + + g_return_if_fail (GIMP_IS_CANVAS_LAYER_BOUNDARY (boundary)); + g_return_if_fail (layer == NULL || GIMP_IS_LAYER (layer)); + + private = GET_PRIVATE (boundary); + + if (layer && gimp_layer_is_floating_sel (layer)) + { + GimpDrawable *drawable; + + drawable = gimp_layer_get_floating_sel_drawable (layer); + + if (GIMP_IS_CHANNEL (drawable)) + { + /* if the owner drawable is a channel, show no outline */ + + layer = NULL; + } + else + { + /* otherwise, set the layer to the owner drawable */ + + layer = GIMP_LAYER (drawable); + } + } + + if (layer != private->layer) + { + gboolean edit_mask = FALSE; + + gimp_canvas_item_begin_change (GIMP_CANVAS_ITEM (boundary)); + + if (layer) + { + GimpItem *item = GIMP_ITEM (layer); + + edit_mask = (gimp_layer_get_mask (layer) && + gimp_layer_get_edit_mask (layer)); + + g_object_set (boundary, + "x", (gdouble) gimp_item_get_offset_x (item), + "y", (gdouble) gimp_item_get_offset_y (item), + "width", (gdouble) gimp_item_get_width (item), + "height", (gdouble) gimp_item_get_height (item), + NULL); + } + + g_object_set (boundary, + "layer", layer, + "edit-mask", edit_mask, + NULL); + + gimp_canvas_item_end_change (GIMP_CANVAS_ITEM (boundary)); + } + else if (layer && layer == private->layer) + { + GimpItem *item = GIMP_ITEM (layer); + gint lx, ly, lw, lh; + gdouble x, y, w ,h; + gboolean edit_mask; + + lx = gimp_item_get_offset_x (item); + ly = gimp_item_get_offset_y (item); + lw = gimp_item_get_width (item); + lh = gimp_item_get_height (item); + + edit_mask = (gimp_layer_get_mask (layer) && + gimp_layer_get_edit_mask (layer)); + + g_object_get (boundary, + "x", &x, + "y", &y, + "width", &w, + "height", &h, + NULL); + + if (lx != (gint) x || + ly != (gint) y || + lw != (gint) w || + lh != (gint) h || + edit_mask != private->edit_mask) + { + gimp_canvas_item_begin_change (GIMP_CANVAS_ITEM (boundary)); + + g_object_set (boundary, + "x", (gdouble) lx, + "y", (gdouble) ly, + "width", (gdouble) lw, + "height", (gdouble) lh, + "edit-mask", edit_mask, + NULL); + + gimp_canvas_item_end_change (GIMP_CANVAS_ITEM (boundary)); + } + } +} -- cgit v1.2.3