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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
commit | 5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch) | |
tree | cbffb45144febf451e54061db2b21395faf94bfe /app/display/gimpcanvasrectangle.c | |
parent | Initial commit. (diff) | |
download | gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip |
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | app/display/gimpcanvasrectangle.c | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/app/display/gimpcanvasrectangle.c b/app/display/gimpcanvasrectangle.c new file mode 100644 index 0000000..7ef7351 --- /dev/null +++ b/app/display/gimpcanvasrectangle.c @@ -0,0 +1,360 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpcanvasrectangle.c + * Copyright (C) 2010 Michael Natterer <mitch@gimp.org> + * + * 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/>. + */ + +#include "config.h" + +#include <gegl.h> +#include <gtk/gtk.h> + +#include "libgimpbase/gimpbase.h" +#include "libgimpmath/gimpmath.h" + +#include "display-types.h" + +#include "gimpcanvasrectangle.h" +#include "gimpdisplayshell.h" + + +enum +{ + PROP_0, + PROP_X, + PROP_Y, + PROP_WIDTH, + PROP_HEIGHT, + PROP_FILLED +}; + + +typedef struct _GimpCanvasRectanglePrivate GimpCanvasRectanglePrivate; + +struct _GimpCanvasRectanglePrivate +{ + gdouble x; + gdouble y; + gdouble width; + gdouble height; + gboolean filled; +}; + +#define GET_PRIVATE(rectangle) \ + ((GimpCanvasRectanglePrivate *) gimp_canvas_rectangle_get_instance_private ((GimpCanvasRectangle *) (rectangle))) + + +/* local function prototypes */ + +static void gimp_canvas_rectangle_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_canvas_rectangle_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); +static void gimp_canvas_rectangle_draw (GimpCanvasItem *item, + cairo_t *cr); +static cairo_region_t * gimp_canvas_rectangle_get_extents (GimpCanvasItem *item); + + +G_DEFINE_TYPE_WITH_PRIVATE (GimpCanvasRectangle, gimp_canvas_rectangle, + GIMP_TYPE_CANVAS_ITEM) + +#define parent_class gimp_canvas_rectangle_parent_class + + +static void +gimp_canvas_rectangle_class_init (GimpCanvasRectangleClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpCanvasItemClass *item_class = GIMP_CANVAS_ITEM_CLASS (klass); + + object_class->set_property = gimp_canvas_rectangle_set_property; + object_class->get_property = gimp_canvas_rectangle_get_property; + + item_class->draw = gimp_canvas_rectangle_draw; + item_class->get_extents = gimp_canvas_rectangle_get_extents; + + g_object_class_install_property (object_class, PROP_X, + g_param_spec_double ("x", NULL, NULL, + -GIMP_MAX_IMAGE_SIZE, + GIMP_MAX_IMAGE_SIZE, 0, + GIMP_PARAM_READWRITE)); + + g_object_class_install_property (object_class, PROP_Y, + g_param_spec_double ("y", NULL, NULL, + -GIMP_MAX_IMAGE_SIZE, + GIMP_MAX_IMAGE_SIZE, 0, + GIMP_PARAM_READWRITE)); + + g_object_class_install_property (object_class, PROP_WIDTH, + g_param_spec_double ("width", NULL, NULL, + -GIMP_MAX_IMAGE_SIZE, + GIMP_MAX_IMAGE_SIZE, 0, + GIMP_PARAM_READWRITE)); + + g_object_class_install_property (object_class, PROP_HEIGHT, + g_param_spec_double ("height", NULL, NULL, + -GIMP_MAX_IMAGE_SIZE, + GIMP_MAX_IMAGE_SIZE, 0, + GIMP_PARAM_READWRITE)); + + g_object_class_install_property (object_class, PROP_FILLED, + g_param_spec_boolean ("filled", NULL, NULL, + FALSE, + GIMP_PARAM_READWRITE)); +} + +static void +gimp_canvas_rectangle_init (GimpCanvasRectangle *rectangle) +{ +} + +static void +gimp_canvas_rectangle_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpCanvasRectanglePrivate *private = GET_PRIVATE (object); + + switch (property_id) + { + case PROP_X: + private->x = g_value_get_double (value); + break; + case PROP_Y: + private->y = g_value_get_double (value); + break; + case PROP_WIDTH: + private->width = g_value_get_double (value); + break; + case PROP_HEIGHT: + private->height = g_value_get_double (value); + break; + case PROP_FILLED: + private->filled = g_value_get_boolean (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_canvas_rectangle_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpCanvasRectanglePrivate *private = GET_PRIVATE (object); + + switch (property_id) + { + case PROP_X: + g_value_set_double (value, private->x); + break; + case PROP_Y: + g_value_set_double (value, private->y); + break; + case PROP_WIDTH: + g_value_set_double (value, private->width); + break; + case PROP_HEIGHT: + g_value_set_double (value, private->height); + break; + case PROP_FILLED: + g_value_set_boolean (value, private->filled); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_canvas_rectangle_transform (GimpCanvasItem *item, + gdouble *x, + gdouble *y, + gdouble *w, + gdouble *h) +{ + GimpCanvasRectanglePrivate *private = GET_PRIVATE (item); + gdouble x1, y1; + gdouble x2, y2; + + gimp_canvas_item_transform_xy_f (item, + MIN (private->x, + private->x + private->width), + MIN (private->y, + private->y + private->height), + &x1, &y1); + gimp_canvas_item_transform_xy_f (item, + MAX (private->x, + private->x + private->width), + MAX (private->y, + private->y + private->height), + &x2, &y2); + + x1 = floor (x1); + y1 = floor (y1); + x2 = ceil (x2); + y2 = ceil (y2); + + if (private->filled) + { + *x = x1; + *y = y1; + *w = x2 - x1; + *h = y2 - y1; + } + else + { + *x = x1 + 0.5; + *y = y1 + 0.5; + *w = x2 - 0.5 - *x; + *h = y2 - 0.5 - *y; + + *w = MAX (0.0, *w); + *h = MAX (0.0, *h); + } +} + +static void +gimp_canvas_rectangle_draw (GimpCanvasItem *item, + cairo_t *cr) +{ + GimpCanvasRectanglePrivate *private = GET_PRIVATE (item); + gdouble x, y; + gdouble w, h; + + gimp_canvas_rectangle_transform (item, &x, &y, &w, &h); + + cairo_rectangle (cr, x, y, w, h); + + if (private->filled) + _gimp_canvas_item_fill (item, cr); + else + _gimp_canvas_item_stroke (item, cr); +} + +static cairo_region_t * +gimp_canvas_rectangle_get_extents (GimpCanvasItem *item) +{ + GimpCanvasRectanglePrivate *private = GET_PRIVATE (item); + cairo_rectangle_int_t rectangle; + gdouble x, y; + gdouble w, h; + + gimp_canvas_rectangle_transform (item, &x, &y, &w, &h); + + if (private->filled) + { + rectangle.x = floor (x - 1.0); + rectangle.y = floor (y - 1.0); + rectangle.width = ceil (w + 2.0); + rectangle.height = ceil (h + 2.0); + + return cairo_region_create_rectangle (&rectangle); + } + else if (w > 64 && h > 64) + { + cairo_region_t *region; + + /* left */ + rectangle.x = floor (x - 1.5); + rectangle.y = floor (y - 1.5); + rectangle.width = 3.0; + rectangle.height = ceil (h + 3.0); + + region = cairo_region_create_rectangle (&rectangle); + + /* right */ + rectangle.x = floor (x + w - 1.5); + + cairo_region_union_rectangle (region, &rectangle); + + /* top */ + rectangle.x = floor (x - 1.5); + rectangle.y = floor (y - 1.5); + rectangle.width = ceil (w + 3.0); + rectangle.height = 3.0; + + cairo_region_union_rectangle (region, &rectangle); + + /* bottom */ + rectangle.y = floor (y + h - 1.5); + + cairo_region_union_rectangle (region, &rectangle); + + return region; + } + else + { + rectangle.x = floor (x - 1.5); + rectangle.y = floor (y - 1.5); + rectangle.width = ceil (w + 3.0); + rectangle.height = ceil (h + 3.0); + + return cairo_region_create_rectangle (&rectangle); + } +} + +GimpCanvasItem * +gimp_canvas_rectangle_new (GimpDisplayShell *shell, + gdouble x, + gdouble y, + gdouble width, + gdouble height, + gboolean filled) +{ + g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), NULL); + + return g_object_new (GIMP_TYPE_CANVAS_RECTANGLE, + "shell", shell, + "x", x, + "y", y, + "width", width, + "height", height, + "filled", filled, + NULL); +} + +void +gimp_canvas_rectangle_set (GimpCanvasItem *rectangle, + gdouble x, + gdouble y, + gdouble width, + gdouble height) +{ + g_return_if_fail (GIMP_IS_CANVAS_RECTANGLE (rectangle)); + + gimp_canvas_item_begin_change (rectangle); + + g_object_set (rectangle, + "x", x, + "y", y, + "width", width, + "height", height, + NULL); + + gimp_canvas_item_end_change (rectangle); +} |