From 5c1676dfe6d2f3c837a5e074117b45613fd29a72 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:30:19 +0200 Subject: Adding upstream version 2.10.34. Signed-off-by: Daniel Baumann --- app/operations/gimpoperationcomposecrop.c | 329 ++++++++++++++++++++++++++++++ 1 file changed, 329 insertions(+) create mode 100644 app/operations/gimpoperationcomposecrop.c (limited to 'app/operations/gimpoperationcomposecrop.c') diff --git a/app/operations/gimpoperationcomposecrop.c b/app/operations/gimpoperationcomposecrop.c new file mode 100644 index 0000000..25e6247 --- /dev/null +++ b/app/operations/gimpoperationcomposecrop.c @@ -0,0 +1,329 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpoperationcomposecrop.c + * Copyright (C) 2012 Michael Natterer + * Copyright (C) 2016 Massimo Valentini + * + * 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 "operations-types.h" + +#include "gimpoperationcomposecrop.h" + + +enum +{ + PROP_0, + PROP_X, + PROP_Y, + PROP_WIDTH, + PROP_HEIGHT +}; + + +static void gimp_operation_compose_crop_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); +static void gimp_operation_compose_crop_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); + +static void gimp_operation_compose_crop_prepare (GeglOperation *operation); +static GeglRectangle gimp_operation_compose_crop_get_required_for_output (GeglOperation *operation, + const gchar *input_pad, + const GeglRectangle *output_roi); +static gboolean gimp_operation_compose_crop_parent_process (GeglOperation *operation, + GeglOperationContext *context, + const gchar *output_pad, + const GeglRectangle *roi, + gint level); + +static gboolean gimp_operation_compose_crop_process (GeglOperation *operation, + void *in_buf, + void *aux_buf, + void *out_buf, + glong samples, + const GeglRectangle *roi, + gint level); + + +G_DEFINE_TYPE (GimpOperationComposeCrop, gimp_operation_compose_crop, + GEGL_TYPE_OPERATION_POINT_COMPOSER) + +#define parent_class gimp_operation_compose_crop_parent_class + + +static void +gimp_operation_compose_crop_class_init (GimpOperationComposeCropClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass); + GeglOperationPointComposerClass *point_class = GEGL_OPERATION_POINT_COMPOSER_CLASS (klass); + + object_class->set_property = gimp_operation_compose_crop_set_property; + object_class->get_property = gimp_operation_compose_crop_get_property; + + gegl_operation_class_set_keys (operation_class, + "name", "gimp:compose-crop", + "categories", "gimp", + "description", "Selectively pick components from src or aux", + NULL); + + operation_class->prepare = gimp_operation_compose_crop_prepare; + operation_class->get_invalidated_by_change = gimp_operation_compose_crop_get_required_for_output; + operation_class->get_required_for_output = gimp_operation_compose_crop_get_required_for_output; + operation_class->process = gimp_operation_compose_crop_parent_process; + + point_class->process = gimp_operation_compose_crop_process; + + g_object_class_install_property (object_class, PROP_X, + g_param_spec_int ("x", + "x", + "x", + G_MININT, G_MAXINT, 0, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); + g_object_class_install_property (object_class, PROP_Y, + g_param_spec_int ("y", + "y", + "y", + G_MININT, G_MAXINT, 0, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); + g_object_class_install_property (object_class, PROP_WIDTH, + g_param_spec_int ("width", + "width", + "width", + 0, G_MAXINT, 0, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); + g_object_class_install_property (object_class, PROP_HEIGHT, + g_param_spec_int ("height", + "height", + "height", + 0, G_MAXINT, 0, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); +} + +static void +gimp_operation_compose_crop_init (GimpOperationComposeCrop *self) +{ +} + +static void +gimp_operation_compose_crop_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpOperationComposeCrop *self = GIMP_OPERATION_COMPOSE_CROP (object); + + switch (property_id) + { + case PROP_X: + g_value_set_int (value, self->rect.x); + break; + case PROP_Y: + g_value_set_int (value, self->rect.y); + break; + case PROP_WIDTH: + g_value_set_int (value, self->rect.width); + break; + case PROP_HEIGHT: + g_value_set_int (value, self->rect.height); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_operation_compose_crop_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpOperationComposeCrop *self = GIMP_OPERATION_COMPOSE_CROP (object); + + switch (property_id) + { + case PROP_X: + self->rect.x = g_value_get_int (value); + break; + case PROP_Y: + self->rect.y = g_value_get_int (value); + break; + case PROP_WIDTH: + self->rect.width = g_value_get_int (value); + break; + case PROP_HEIGHT: + self->rect.height = g_value_get_int (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_operation_compose_crop_prepare (GeglOperation *operation) +{ + const Babl *input_format = gegl_operation_get_source_format (operation, "input"); + const Babl *aux_format = gegl_operation_get_source_format (operation, "aux"); + const Babl *format; + + if (input_format) + { + if (input_format == aux_format) + { + format = input_format; + } + else + { + const Babl *model = babl_format_get_model (input_format); + + if (model == babl_model ("R'G'B'A")) + format = babl_format_with_space ("R'G'B'A float", input_format); + else + format = babl_format_with_space ("RGBA float", input_format); + } + } + else + { + format = babl_format_with_space ("RGBA float", input_format); + } + + gegl_operation_set_format (operation, "input", format); + gegl_operation_set_format (operation, "aux", format); + gegl_operation_set_format (operation, "output", format); +} + +static GeglRectangle +gimp_operation_compose_crop_get_required_for_output (GeglOperation *operation, + const gchar *input_pad, + const GeglRectangle *output_roi) +{ + GimpOperationComposeCrop *self = GIMP_OPERATION_COMPOSE_CROP (operation); + GeglRectangle result; + + if (! strcmp (input_pad, "input")) + gegl_rectangle_intersect (&result, output_roi, &self->rect); + else if (! strcmp (input_pad, "aux")) + gegl_rectangle_subtract_bounding_box (&result, output_roi, &self->rect); + else + g_return_val_if_reached (*output_roi); + + return result; +} + +static gboolean +gimp_operation_compose_crop_parent_process (GeglOperation *operation, + GeglOperationContext *context, + const gchar *output_pad, + const GeglRectangle *roi, + gint level) +{ + GimpOperationComposeCrop *self = GIMP_OPERATION_COMPOSE_CROP (operation); + + if (gegl_rectangle_contains (&self->rect, roi)) + { + GObject *input; + + input = gegl_operation_context_get_object (context, "input"); + gegl_operation_context_set_object (context, "output", input); + + return TRUE; + } + else if (! gegl_rectangle_intersect (NULL, &self->rect, roi)) + { + GObject *aux; + + aux = gegl_operation_context_get_object (context, "aux"); + gegl_operation_context_set_object (context, "output", aux); + + return TRUE; + } + + return GEGL_OPERATION_CLASS (parent_class)->process (operation, context, + output_pad, roi, level); +} + +static gboolean +gimp_operation_compose_crop_process (GeglOperation *operation, + void *in_buf, + void *aux_buf, + void *out_buf, + glong samples, + const GeglRectangle *roi, + gint level) +{ + GimpOperationComposeCrop *self = GIMP_OPERATION_COMPOSE_CROP (operation); + const Babl *format = gegl_operation_get_format (operation, "output"); + gint bpp = babl_format_get_bytes_per_pixel (format); + const guchar *in = in_buf; + const guchar *aux = aux_buf; + guchar *out = out_buf; + gint x0, x1; + gint y0, y1; + gint y; + +#define COPY(src, n) \ + do \ + { \ + gint size = (n) * bpp; \ + \ + if (src) \ + memcpy (out, (src), size); \ + else \ + memset (out, 0, size); \ + \ + in += size; \ + if (aux) aux += size; \ + out += size; \ + } \ + while (FALSE) + + x0 = CLAMP (self->rect.x, roi->x, roi->x + roi->width); + x1 = CLAMP (self->rect.x + self->rect.width, roi->x, roi->x + roi->width); + + y0 = CLAMP (self->rect.y, roi->y, roi->y + roi->height); + y1 = CLAMP (self->rect.y + self->rect.height, roi->y, roi->y + roi->height); + + COPY (aux, (y0 - roi->y) * roi->width); + + for (y = y0; y < y1; y++) + { + COPY (aux, x0 - roi->x); + COPY (in, x1 - x0); + COPY (aux, roi->x + roi->width - x1); + } + + COPY (aux, (roi->y + roi->height - y1) * roi->width); + +#undef COPY + + return TRUE; +} -- cgit v1.2.3