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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/core/gimpimageproxy.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/core/gimpimageproxy.c | 877 |
1 files changed, 877 insertions, 0 deletions
diff --git a/app/core/gimpimageproxy.c b/app/core/gimpimageproxy.c new file mode 100644 index 0000000..6007d6c --- /dev/null +++ b/app/core/gimpimageproxy.c @@ -0,0 +1,877 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpimageproxy.c + * Copyright (C) 2019 Ell + * + * 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 <cairo.h> +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <gegl.h> + +#include "libgimpcolor/gimpcolor.h" + +#include "core-types.h" + +#include "gegl/gimp-babl.h" +#include "gegl/gimp-gegl-loops.h" + +#include "gimpimage.h" +#include "gimpimage-color-profile.h" +#include "gimpimage-preview.h" +#include "gimpimageproxy.h" +#include "gimppickable.h" +#include "gimpprojectable.h" +#include "gimptempbuf.h" + + +enum +{ + PROP_0, + PROP_IMAGE, + PROP_SHOW_ALL, + PROP_BUFFER +}; + + +struct _GimpImageProxyPrivate +{ + GimpImage *image; + gboolean show_all; + + GeglRectangle bounding_box; + gboolean frozen; +}; + + +/* local function prototypes */ + +static void gimp_image_proxy_pickable_iface_init (GimpPickableInterface *iface); +static void gimp_image_proxy_color_managed_iface_init (GimpColorManagedInterface *iface); + +static void gimp_image_proxy_finalize (GObject *object); +static void gimp_image_proxy_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_image_proxy_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static gboolean gimp_image_proxy_get_size (GimpViewable *viewable, + gint *width, + gint *height); +static void gimp_image_proxy_get_preview_size (GimpViewable *viewable, + gint size, + gboolean is_popup, + gboolean dot_for_dot, + gint *width, + gint *height); +static gboolean gimp_image_proxy_get_popup_size (GimpViewable *viewable, + gint width, + gint height, + gboolean dot_for_dot, + gint *popup_width, + gint *popup_height); +static GimpTempBuf * gimp_image_proxy_get_new_preview (GimpViewable *viewable, + GimpContext *context, + gint width, + gint height); +static GdkPixbuf * gimp_image_proxy_get_new_pixbuf (GimpViewable *viewable, + GimpContext *context, + gint width, + gint height); +static gchar * gimp_image_proxy_get_description (GimpViewable *viewable, + gchar **tooltip); + +static void gimp_image_proxy_flush (GimpPickable *pickable); +static const Babl * gimp_image_proxy_get_format (GimpPickable *pickable); +static const Babl * gimp_image_proxy_get_format_with_alpha (GimpPickable *pickable); +static GeglBuffer * gimp_image_proxy_get_buffer (GimpPickable *pickable); +static gboolean gimp_image_proxy_get_pixel_at (GimpPickable *pickable, + gint x, + gint y, + const Babl *format, + gpointer pixel); +static gdouble gimp_image_proxy_get_opacity_at (GimpPickable *pickable, + gint x, + gint y); +static void gimp_image_proxy_get_pixel_average (GimpPickable *pickable, + const GeglRectangle *rect, + const Babl *format, + gpointer pixel); +static void gimp_image_proxy_pixel_to_srgb (GimpPickable *pickable, + const Babl *format, + gpointer pixel, + GimpRGB *color); +static void gimp_image_proxy_srgb_to_pixel (GimpPickable *pickable, + const GimpRGB *color, + const Babl *format, + gpointer pixel); + +static const guint8 * gimp_image_proxy_get_icc_profile (GimpColorManaged *managed, + gsize *len); +static GimpColorProfile * gimp_image_proxy_get_color_profile (GimpColorManaged *managed); +static void gimp_image_proxy_profile_changed (GimpColorManaged *managed); + +static void gimp_image_proxy_image_frozen_notify (GimpImage *image, + const GParamSpec *pspec, + GimpImageProxy *image_proxy); +static void gimp_image_proxy_image_invalidate_preview (GimpImage *image, + GimpImageProxy *image_proxy); +static void gimp_image_proxy_image_size_changed (GimpImage *image, + GimpImageProxy *image_proxy); +static void gimp_image_proxy_image_bounds_changed (GimpImage *image, + gint old_x, + gint old_y, + GimpImageProxy *image_proxy); +static void gimp_image_proxy_image_profile_changed (GimpImage *image, + GimpImageProxy *image_proxy); + +static void gimp_image_proxy_set_image (GimpImageProxy *image_proxy, + GimpImage *image); +static GimpPickable * gimp_image_proxy_get_pickable (GimpImageProxy *image_proxy); +static void gimp_image_proxy_update_bounding_box (GimpImageProxy *image_proxy); +static void gimp_image_proxy_update_frozen (GimpImageProxy *image_proxy); + + +G_DEFINE_TYPE_WITH_CODE (GimpImageProxy, gimp_image_proxy, GIMP_TYPE_VIEWABLE, + G_ADD_PRIVATE (GimpImageProxy) + G_IMPLEMENT_INTERFACE (GIMP_TYPE_PICKABLE, + gimp_image_proxy_pickable_iface_init) + G_IMPLEMENT_INTERFACE (GIMP_TYPE_COLOR_MANAGED, + gimp_image_proxy_color_managed_iface_init)) + +#define parent_class gimp_image_proxy_parent_class + + +/* private functions */ + + +static void +gimp_image_proxy_class_init (GimpImageProxyClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass); + + object_class->finalize = gimp_image_proxy_finalize; + object_class->set_property = gimp_image_proxy_set_property; + object_class->get_property = gimp_image_proxy_get_property; + + viewable_class->default_icon_name = "gimp-image"; + viewable_class->get_size = gimp_image_proxy_get_size; + viewable_class->get_preview_size = gimp_image_proxy_get_preview_size; + viewable_class->get_popup_size = gimp_image_proxy_get_popup_size; + viewable_class->get_new_preview = gimp_image_proxy_get_new_preview; + viewable_class->get_new_pixbuf = gimp_image_proxy_get_new_pixbuf; + viewable_class->get_description = gimp_image_proxy_get_description; + + g_object_class_install_property (object_class, PROP_IMAGE, + g_param_spec_object ("image", + NULL, NULL, + GIMP_TYPE_IMAGE, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, PROP_SHOW_ALL, + g_param_spec_boolean ("show-all", + NULL, NULL, + FALSE, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); + + g_object_class_override_property (object_class, PROP_BUFFER, "buffer"); +} + +static void +gimp_image_proxy_pickable_iface_init (GimpPickableInterface *iface) +{ + iface->flush = gimp_image_proxy_flush; + iface->get_image = (gpointer) gimp_image_proxy_get_image; + iface->get_format = gimp_image_proxy_get_format; + iface->get_format_with_alpha = gimp_image_proxy_get_format_with_alpha; + iface->get_buffer = gimp_image_proxy_get_buffer; + iface->get_pixel_at = gimp_image_proxy_get_pixel_at; + iface->get_opacity_at = gimp_image_proxy_get_opacity_at; + iface->get_pixel_average = gimp_image_proxy_get_pixel_average; + iface->pixel_to_srgb = gimp_image_proxy_pixel_to_srgb; + iface->srgb_to_pixel = gimp_image_proxy_srgb_to_pixel; +} + +static void +gimp_image_proxy_color_managed_iface_init (GimpColorManagedInterface *iface) +{ + iface->get_icc_profile = gimp_image_proxy_get_icc_profile; + iface->get_color_profile = gimp_image_proxy_get_color_profile; + iface->profile_changed = gimp_image_proxy_profile_changed; +} + +static void +gimp_image_proxy_init (GimpImageProxy *image_proxy) +{ + image_proxy->priv = gimp_image_proxy_get_instance_private (image_proxy); +} + +static void +gimp_image_proxy_finalize (GObject *object) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (object); + + gimp_image_proxy_set_image (image_proxy, NULL); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_image_proxy_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (object); + + switch (property_id) + { + case PROP_IMAGE: + gimp_image_proxy_set_image (image_proxy, + g_value_get_object (value)); + break; + + case PROP_SHOW_ALL: + gimp_image_proxy_set_show_all (image_proxy, + g_value_get_boolean (value)); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_image_proxy_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (object); + + switch (property_id) + { + case PROP_IMAGE: + g_value_set_object (value, + gimp_image_proxy_get_image (image_proxy)); + break; + + case PROP_SHOW_ALL: + g_value_set_boolean (value, + gimp_image_proxy_get_show_all (image_proxy)); + break; + + case PROP_BUFFER: + g_value_set_object (value, + gimp_pickable_get_buffer ( + GIMP_PICKABLE (image_proxy))); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static gboolean +gimp_image_proxy_get_size (GimpViewable *viewable, + gint *width, + gint *height) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (viewable); + + *width = image_proxy->priv->bounding_box.width; + *height = image_proxy->priv->bounding_box.height; + + return TRUE; +} + +static void +gimp_image_proxy_get_preview_size (GimpViewable *viewable, + gint size, + gboolean is_popup, + gboolean dot_for_dot, + gint *width, + gint *height) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (viewable); + GimpImage *image = image_proxy->priv->image; + gdouble xres; + gdouble yres; + gint viewable_width; + gint viewable_height; + + gimp_image_get_resolution (image, &xres, &yres); + + gimp_viewable_get_size (viewable, &viewable_width, &viewable_height); + + gimp_viewable_calc_preview_size (viewable_width, + viewable_height, + size, + size, + dot_for_dot, + xres, + yres, + width, + height, + NULL); +} + +static gboolean +gimp_image_proxy_get_popup_size (GimpViewable *viewable, + gint width, + gint height, + gboolean dot_for_dot, + gint *popup_width, + gint *popup_height) +{ + gint viewable_width; + gint viewable_height; + + gimp_viewable_get_size (viewable, &viewable_width, &viewable_height); + + if (viewable_width > width || viewable_height > height) + { + gboolean scaling_up; + + gimp_viewable_calc_preview_size (viewable_width, + viewable_height, + width * 2, + height * 2, + dot_for_dot, 1.0, 1.0, + popup_width, + popup_height, + &scaling_up); + + if (scaling_up) + { + *popup_width = viewable_width; + *popup_height = viewable_height; + } + + return TRUE; + } + + return FALSE; +} + +static GimpTempBuf * +gimp_image_proxy_get_new_preview (GimpViewable *viewable, + GimpContext *context, + gint width, + gint height) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (viewable); + GimpImage *image = image_proxy->priv->image; + GimpPickable *pickable; + const Babl *format; + GeglRectangle bounding_box; + GimpTempBuf *buf; + gdouble scale_x; + gdouble scale_y; + gdouble scale; + + pickable = gimp_image_proxy_get_pickable (image_proxy); + bounding_box = gimp_image_proxy_get_bounding_box (image_proxy); + + scale_x = (gdouble) width / (gdouble) bounding_box.width; + scale_y = (gdouble) height / (gdouble) bounding_box.height; + + scale = MIN (scale_x, scale_y); + + format = gimp_image_get_preview_format (image); + + buf = gimp_temp_buf_new (width, height, format); + + gegl_buffer_get (gimp_pickable_get_buffer (pickable), + GEGL_RECTANGLE (bounding_box.x * scale, + bounding_box.y * scale, + width, + height), + scale, + gimp_temp_buf_get_format (buf), + gimp_temp_buf_get_data (buf), + GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_CLAMP); + + return buf; +} + +static GdkPixbuf * +gimp_image_proxy_get_new_pixbuf (GimpViewable *viewable, + GimpContext *context, + gint width, + gint height) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (viewable); + GimpImage *image = image_proxy->priv->image; + GimpPickable *pickable; + GeglRectangle bounding_box; + GdkPixbuf *pixbuf; + gdouble scale_x; + gdouble scale_y; + gdouble scale; + GimpColorTransform *transform; + + pickable = gimp_image_proxy_get_pickable (image_proxy); + bounding_box = gimp_image_proxy_get_bounding_box (image_proxy); + + scale_x = (gdouble) width / (gdouble) bounding_box.width; + scale_y = (gdouble) height / (gdouble) bounding_box.height; + + scale = MIN (scale_x, scale_y); + + pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, + width, height); + + transform = gimp_image_get_color_transform_to_srgb_u8 (image); + + if (transform) + { + GimpTempBuf *temp_buf; + GeglBuffer *src_buf; + GeglBuffer *dest_buf; + + temp_buf = gimp_temp_buf_new (width, height, + gimp_pickable_get_format (pickable)); + + gegl_buffer_get (gimp_pickable_get_buffer (pickable), + GEGL_RECTANGLE (bounding_box.x * scale, + bounding_box.y * scale, + width, + height), + scale, + gimp_temp_buf_get_format (temp_buf), + gimp_temp_buf_get_data (temp_buf), + GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_CLAMP); + + src_buf = gimp_temp_buf_create_buffer (temp_buf); + dest_buf = gimp_pixbuf_create_buffer (pixbuf); + + gimp_temp_buf_unref (temp_buf); + + gimp_color_transform_process_buffer (transform, + src_buf, + GEGL_RECTANGLE (0, 0, + width, height), + dest_buf, + GEGL_RECTANGLE (0, 0, 0, 0)); + + g_object_unref (src_buf); + g_object_unref (dest_buf); + } + else + { + gegl_buffer_get (gimp_pickable_get_buffer (pickable), + GEGL_RECTANGLE (bounding_box.x * scale, + bounding_box.y * scale, + width, + height), + scale, + gimp_pixbuf_get_format (pixbuf), + gdk_pixbuf_get_pixels (pixbuf), + gdk_pixbuf_get_rowstride (pixbuf), + GEGL_ABYSS_CLAMP); + } + + return pixbuf; +} + +static gchar * +gimp_image_proxy_get_description (GimpViewable *viewable, + gchar **tooltip) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (viewable); + GimpImage *image = image_proxy->priv->image; + + if (tooltip) + *tooltip = g_strdup (gimp_image_get_display_path (image)); + + return g_strdup_printf ("%s-%d", + gimp_image_get_display_name (image), + gimp_image_get_ID (image)); +} + +static void +gimp_image_proxy_flush (GimpPickable *pickable) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (pickable); + GimpPickable *proxy_pickable; + + proxy_pickable = gimp_image_proxy_get_pickable (image_proxy); + + gimp_pickable_flush (proxy_pickable); +} + +static const Babl * +gimp_image_proxy_get_format (GimpPickable *pickable) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (pickable); + GimpPickable *proxy_pickable; + + proxy_pickable = gimp_image_proxy_get_pickable (image_proxy); + + return gimp_pickable_get_format (proxy_pickable); +} + +static const Babl * +gimp_image_proxy_get_format_with_alpha (GimpPickable *pickable) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (pickable); + GimpPickable *proxy_pickable; + + proxy_pickable = gimp_image_proxy_get_pickable (image_proxy); + + return gimp_pickable_get_format_with_alpha (proxy_pickable); +} + +static GeglBuffer * +gimp_image_proxy_get_buffer (GimpPickable *pickable) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (pickable); + GimpPickable *proxy_pickable; + + proxy_pickable = gimp_image_proxy_get_pickable (image_proxy); + + return gimp_pickable_get_buffer (proxy_pickable); +} + +static gboolean +gimp_image_proxy_get_pixel_at (GimpPickable *pickable, + gint x, + gint y, + const Babl *format, + gpointer pixel) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (pickable); + GimpPickable *proxy_pickable; + + proxy_pickable = gimp_image_proxy_get_pickable (image_proxy); + + return gimp_pickable_get_pixel_at (proxy_pickable, x, y, format, pixel); +} + +static gdouble +gimp_image_proxy_get_opacity_at (GimpPickable *pickable, + gint x, + gint y) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (pickable); + GimpPickable *proxy_pickable; + + proxy_pickable = gimp_image_proxy_get_pickable (image_proxy); + + return gimp_pickable_get_opacity_at (proxy_pickable, x, y); +} + +static void +gimp_image_proxy_get_pixel_average (GimpPickable *pickable, + const GeglRectangle *rect, + const Babl *format, + gpointer pixel) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (pickable); + GimpPickable *proxy_pickable; + + proxy_pickable = gimp_image_proxy_get_pickable (image_proxy); + + gimp_pickable_get_pixel_average (proxy_pickable, rect, format, pixel); +} + +static void +gimp_image_proxy_pixel_to_srgb (GimpPickable *pickable, + const Babl *format, + gpointer pixel, + GimpRGB *color) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (pickable); + GimpPickable *proxy_pickable; + + proxy_pickable = gimp_image_proxy_get_pickable (image_proxy); + + gimp_pickable_pixel_to_srgb (proxy_pickable, format, pixel, color); +} + +static void +gimp_image_proxy_srgb_to_pixel (GimpPickable *pickable, + const GimpRGB *color, + const Babl *format, + gpointer pixel) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (pickable); + GimpPickable *proxy_pickable; + + proxy_pickable = gimp_image_proxy_get_pickable (image_proxy); + + gimp_pickable_srgb_to_pixel (proxy_pickable, color, format, pixel); +} + +static const guint8 * +gimp_image_proxy_get_icc_profile (GimpColorManaged *managed, + gsize *len) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (managed); + + return gimp_color_managed_get_icc_profile ( + GIMP_COLOR_MANAGED (image_proxy->priv->image), + len); +} + +static GimpColorProfile * +gimp_image_proxy_get_color_profile (GimpColorManaged *managed) +{ + GimpImageProxy *image_proxy = GIMP_IMAGE_PROXY (managed); + + return gimp_color_managed_get_color_profile ( + GIMP_COLOR_MANAGED (image_proxy->priv->image)); +} + +static void +gimp_image_proxy_profile_changed (GimpColorManaged *managed) +{ + gimp_viewable_invalidate_preview (GIMP_VIEWABLE (managed)); +} + +static void +gimp_image_proxy_image_frozen_notify (GimpImage *image, + const GParamSpec *pspec, + GimpImageProxy *image_proxy) +{ + gimp_image_proxy_update_frozen (image_proxy); +} + +static void +gimp_image_proxy_image_invalidate_preview (GimpImage *image, + GimpImageProxy *image_proxy) +{ + gimp_viewable_invalidate_preview (GIMP_VIEWABLE (image_proxy)); +} + +static void +gimp_image_proxy_image_size_changed (GimpImage *image, + GimpImageProxy *image_proxy) +{ + gimp_image_proxy_update_bounding_box (image_proxy); +} + +static void +gimp_image_proxy_image_bounds_changed (GimpImage *image, + gint old_x, + gint old_y, + GimpImageProxy *image_proxy) +{ + gimp_image_proxy_update_bounding_box (image_proxy); +} + +static void +gimp_image_proxy_image_profile_changed (GimpImage *image, + GimpImageProxy *image_proxy) +{ + gimp_color_managed_profile_changed (GIMP_COLOR_MANAGED (image_proxy)); +} + +static void +gimp_image_proxy_set_image (GimpImageProxy *image_proxy, + GimpImage *image) +{ + if (image_proxy->priv->image) + { + g_signal_handlers_disconnect_by_func ( + image_proxy->priv->image, + gimp_image_proxy_image_frozen_notify, + image_proxy); + g_signal_handlers_disconnect_by_func ( + image_proxy->priv->image, + gimp_image_proxy_image_invalidate_preview, + image_proxy); + g_signal_handlers_disconnect_by_func ( + image_proxy->priv->image, + gimp_image_proxy_image_size_changed, + image_proxy); + g_signal_handlers_disconnect_by_func ( + image_proxy->priv->image, + gimp_image_proxy_image_bounds_changed, + image_proxy); + g_signal_handlers_disconnect_by_func ( + image_proxy->priv->image, + gimp_image_proxy_image_profile_changed, + image_proxy); + + g_object_unref (image_proxy->priv->image); + } + + image_proxy->priv->image = image; + + if (image_proxy->priv->image) + { + g_object_ref (image_proxy->priv->image); + + g_signal_connect ( + image_proxy->priv->image, "notify::frozen", + G_CALLBACK (gimp_image_proxy_image_frozen_notify), + image_proxy); + g_signal_connect ( + image_proxy->priv->image, "invalidate-preview", + G_CALLBACK (gimp_image_proxy_image_invalidate_preview), + image_proxy); + g_signal_connect ( + image_proxy->priv->image, "size-changed", + G_CALLBACK (gimp_image_proxy_image_size_changed), + image_proxy); + g_signal_connect ( + image_proxy->priv->image, "bounds-changed", + G_CALLBACK (gimp_image_proxy_image_bounds_changed), + image_proxy); + g_signal_connect ( + image_proxy->priv->image, "profile-changed", + G_CALLBACK (gimp_image_proxy_image_profile_changed), + image_proxy); + + gimp_image_proxy_update_bounding_box (image_proxy); + gimp_image_proxy_update_frozen (image_proxy); + + gimp_viewable_invalidate_preview (GIMP_VIEWABLE (image_proxy)); + } +} + +static GimpPickable * +gimp_image_proxy_get_pickable (GimpImageProxy *image_proxy) +{ + GimpImage *image = image_proxy->priv->image; + + if (! image_proxy->priv->show_all) + return GIMP_PICKABLE (image); + else + return GIMP_PICKABLE (gimp_image_get_projection (image)); +} + +static void +gimp_image_proxy_update_bounding_box (GimpImageProxy *image_proxy) +{ + GimpImage *image = image_proxy->priv->image; + GeglRectangle bounding_box; + + if (gimp_viewable_preview_is_frozen (GIMP_VIEWABLE (image_proxy))) + return; + + if (! image_proxy->priv->show_all) + { + bounding_box.x = 0; + bounding_box.y = 0; + bounding_box.width = gimp_image_get_width (image); + bounding_box.height = gimp_image_get_height (image); + } + else + { + bounding_box = gimp_projectable_get_bounding_box ( + GIMP_PROJECTABLE (image)); + } + + if (! gegl_rectangle_equal (&bounding_box, + &image_proxy->priv->bounding_box)) + { + image_proxy->priv->bounding_box = bounding_box; + + gimp_viewable_size_changed (GIMP_VIEWABLE (image_proxy)); + } +} + +static void +gimp_image_proxy_update_frozen (GimpImageProxy *image_proxy) +{ + gboolean frozen; + + frozen = gimp_viewable_preview_is_frozen ( + GIMP_VIEWABLE (image_proxy->priv->image)); + + if (frozen != image_proxy->priv->frozen) + { + image_proxy->priv->frozen = frozen; + + if (frozen) + { + gimp_viewable_preview_freeze (GIMP_VIEWABLE (image_proxy)); + } + else + { + gimp_viewable_preview_thaw (GIMP_VIEWABLE (image_proxy)); + + gimp_image_proxy_update_bounding_box (image_proxy); + } + } +} + + +/* public functions */ + + +GimpImageProxy * +gimp_image_proxy_new (GimpImage *image) +{ + g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL); + + return g_object_new (GIMP_TYPE_IMAGE_PROXY, + "image", image, + NULL); +} + +GimpImage * +gimp_image_proxy_get_image (GimpImageProxy *image_proxy) +{ + g_return_val_if_fail (GIMP_IS_IMAGE_PROXY (image_proxy), NULL); + + return image_proxy->priv->image; +} + +void +gimp_image_proxy_set_show_all (GimpImageProxy *image_proxy, + gboolean show_all) +{ + g_return_if_fail (GIMP_IS_IMAGE_PROXY (image_proxy)); + + if (show_all != image_proxy->priv->show_all) + { + image_proxy->priv->show_all = show_all; + + gimp_image_proxy_update_bounding_box (image_proxy); + } +} + +gboolean +gimp_image_proxy_get_show_all (GimpImageProxy *image_proxy) +{ + g_return_val_if_fail (GIMP_IS_IMAGE_PROXY (image_proxy), FALSE); + + return image_proxy->priv->show_all; +} + +GeglRectangle +gimp_image_proxy_get_bounding_box (GimpImageProxy *image_proxy) +{ + g_return_val_if_fail (GIMP_IS_IMAGE_PROXY (image_proxy), + *GEGL_RECTANGLE (0, 0, 0, 0)); + + return image_proxy->priv->bounding_box; +} |