Code

fix leftover rubberband after switching to selector while dragging
[inkscape.git] / src / sp-image.cpp
index 631eb6a9c36f8544637be22497926f09e569c2ac..961661fc6bf0bba063e1ffc6dea41f4b85b6587f 100644 (file)
 
 #include "io/sys.h"
 #include <png.h>
-
+#if ENABLE_LCMS
+#include "color-profile-fns.h"
+#include "color-profile.h"
+//#define DEBUG_LCMS
+#ifdef DEBUG_LCMS
+#include "prefs-utils.h"
+#include <gtk/gtkmessagedialog.h>
+#endif // DEBUG_LCMS
+#endif // ENABLE_LCMS
 /*
  * SPImage
  */
@@ -58,7 +66,7 @@ static void sp_image_snappoints(SPItem const *item, SnapPointsIter p);
 static NRArenaItem *sp_image_show (SPItem *item, NRArena *arena, unsigned int key, unsigned int flags);
 static NR::Matrix sp_image_set_transform (SPItem *item, NR::Matrix const &xform);
 
-GdkPixbuf * sp_image_repr_read_image (Inkscape::XML::Node * repr);
+GdkPixbuf *sp_image_repr_read_image (const gchar *href, const gchar *absref, const gchar *base);
 static GdkPixbuf *sp_image_pixbuf_force_rgba (GdkPixbuf * pixbuf);
 static void sp_image_update_canvas_image (SPImage *image);
 static GdkPixbuf * sp_image_repr_read_dataURI (const gchar * uri_data);
@@ -75,6 +83,36 @@ extern "C"
 
 }
 
+
+#ifdef DEBUG_LCMS
+extern guint update_in_progress;
+#define DEBUG_MESSAGE(key, ...) \
+{\
+    gint dump = prefs_get_int_attribute_limited("options.scislac", #key, 0, 0, 1);\
+    gint dumpD = prefs_get_int_attribute_limited("options.scislac", #key"D", 0, 0, 1);\
+    gint dumpD2 = prefs_get_int_attribute_limited("options.scislac", #key"D2", 0, 0, 1);\
+    dumpD &= ( (update_in_progress == 0) || dumpD2 );\
+    if ( dump )\
+    {\
+        g_message( __VA_ARGS__ );\
+\
+    }\
+    if ( dumpD )\
+    {\
+        GtkWidget *dialog = gtk_message_dialog_new(NULL,\
+                                                   GTK_DIALOG_DESTROY_WITH_PARENT, \
+                                                   GTK_MESSAGE_INFO,    \
+                                                   GTK_BUTTONS_OK,      \
+                                                   __VA_ARGS__          \
+                                                   );\
+        g_signal_connect_swapped(dialog, "response",\
+                                 G_CALLBACK(gtk_widget_destroy),        \
+                                 dialog);                               \
+        gtk_widget_show_all( dialog );\
+    }\
+}
+#endif // DEBUG_LCMS
+
 namespace Inkscape {
 namespace IO {
 
@@ -382,7 +420,7 @@ GdkPixbuf*  pixbuf_new_from_file( const char *filename, GError **error )
     }
     else
     {
-        g_warning ("unable to open file: %s", filename);
+        g_warning ("Unable to open linked file: %s", filename);
     }
 
 /*
@@ -478,6 +516,7 @@ sp_image_build (SPObject *object, SPDocument *document, Inkscape::XML::Node *rep
        sp_object_read_attr (object, "width");
        sp_object_read_attr (object, "height");
        sp_object_read_attr (object, "preserveAspectRatio");
+       sp_object_read_attr (object, "color-profile");
 
        /* Register */
        sp_document_add_resource (document, "image", object);
@@ -505,6 +544,13 @@ sp_image_release (SPObject *object)
                image->pixbuf = NULL;
        }
 
+#if ENABLE_LCMS
+       if (image->color_profile) {
+               g_free (image->color_profile);
+               image->color_profile = NULL;
+       }
+#endif // ENABLE_LCMS
+
        if (((SPObjectClass *) parent_class)->release)
                ((SPObjectClass *) parent_class)->release (object);
 }
@@ -608,6 +654,23 @@ sp_image_set (SPObject *object, unsigned int key, const gchar *value)
                        image->aspect_clip = clip;
                }
                break;
+#if ENABLE_LCMS
+        case SP_PROP_COLOR_PROFILE:
+                if ( image->color_profile ) {
+                    g_free (image->color_profile);
+                }
+                image->color_profile = (value) ? g_strdup (value) : NULL;
+#ifdef DEBUG_LCMS
+                if ( value ) {
+                    DEBUG_MESSAGE( lcmsFour, "<image> color-profile set to '%s'", value );
+                } else {
+                    DEBUG_MESSAGE( lcmsFour, "<image> color-profile cleared" );
+                }
+#endif // DEBUG_LCMS
+                // TODO check on this HREF_MODIFIED flag
+                object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_IMAGE_HREF_MODIFIED_FLAG);
+                break;
+#endif // ENABLE_LCMS
        default:
                if (((SPObjectClass *) (parent_class))->set)
                        ((SPObjectClass *) (parent_class))->set (object, key, value);
@@ -618,9 +681,10 @@ sp_image_set (SPObject *object, unsigned int key, const gchar *value)
 static void
 sp_image_update (SPObject *object, SPCtx *ctx, unsigned int flags)
 {
-       SPImage *image;
+    SPImage *image;
 
-       image = (SPImage *) object;
+    image = (SPImage *) object;
+    SPDocument *doc = SP_OBJECT_DOCUMENT(object);
 
        if (((SPObjectClass *) (parent_class))->update)
                ((SPObjectClass *) (parent_class))->update (object, ctx, flags);
@@ -632,9 +696,89 @@ sp_image_update (SPObject *object, SPCtx *ctx, unsigned int flags)
                }
                if (image->href) {
                        GdkPixbuf *pixbuf;
-                       pixbuf = sp_image_repr_read_image (object->repr);
+                       pixbuf = sp_image_repr_read_image (
+                    object->repr->attribute("xlink:href"), 
+                    object->repr->attribute("sodipodi:absref"), 
+                    doc->base);
                        if (pixbuf) {
                                pixbuf = sp_image_pixbuf_force_rgba (pixbuf);
+// BLIP
+#if ENABLE_LCMS
+                                if ( image->color_profile )
+                                {
+                                    int imagewidth = gdk_pixbuf_get_width( pixbuf );
+                                    int imageheight = gdk_pixbuf_get_height( pixbuf );
+                                    int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
+                                    guchar* px = gdk_pixbuf_get_pixels( pixbuf );
+
+                                    if ( px ) {
+#ifdef DEBUG_LCMS
+                                        DEBUG_MESSAGE( lcmsFive, "in <image>'s sp_image_update. About to call colorprofile_get_handle()" );
+#endif // DEBUG_LCMS
+                                        guint profIntent = Inkscape::RENDERING_INTENT_UNKNOWN;
+                                        cmsHPROFILE prof = Inkscape::colorprofile_get_handle( SP_OBJECT_DOCUMENT( object ),
+                                                                                              &profIntent,
+                                                                                              image->color_profile );
+                                        if ( prof ) {
+                                            icProfileClassSignature profileClass = cmsGetDeviceClass( prof );
+                                            if ( profileClass != icSigNamedColorClass ) {
+                                                int intent = INTENT_PERCEPTUAL;
+                                                switch ( profIntent ) {
+                                                    case Inkscape::RENDERING_INTENT_RELATIVE_COLORIMETRIC:
+                                                        intent = INTENT_RELATIVE_COLORIMETRIC;
+                                                        break;
+                                                    case Inkscape::RENDERING_INTENT_SATURATION:
+                                                        intent = INTENT_SATURATION;
+                                                        break;
+                                                    case Inkscape::RENDERING_INTENT_ABSOLUTE_COLORIMETRIC:
+                                                        intent = INTENT_ABSOLUTE_COLORIMETRIC;
+                                                        break;
+                                                    case Inkscape::RENDERING_INTENT_PERCEPTUAL:
+                                                    case Inkscape::RENDERING_INTENT_UNKNOWN:
+                                                    case Inkscape::RENDERING_INTENT_AUTO:
+                                                    default:
+                                                        intent = INTENT_PERCEPTUAL;
+                                                }
+                                                cmsHPROFILE destProf = cmsCreate_sRGBProfile();
+                                                cmsHTRANSFORM transf = cmsCreateTransform( prof, 
+                                                                                           TYPE_RGBA_8,
+                                                                                           destProf,
+                                                                                           TYPE_RGBA_8,
+                                                                                           intent, 0 );
+                                                if ( transf ) {
+                                                    guchar* currLine = px;
+                                                    for ( int y = 0; y < imageheight; y++ ) {
+                                                        // Since the types are the same size, we can do the transformation in-place
+                                                        cmsDoTransform( transf, currLine, currLine, imagewidth );
+                                                        currLine += rowstride;
+                                                    }
+
+                                                    cmsDeleteTransform( transf );
+                                                }
+#ifdef DEBUG_LCMS
+                                                else
+                                                {
+                                                    DEBUG_MESSAGE( lcmsSix, "in <image>'s sp_image_update. Unable to create LCMS transform." );
+                                                }
+#endif // DEBUG_LCMS
+                                                cmsCloseProfile( destProf );
+                                            }
+#ifdef DEBUG_LCMS
+                                            else
+                                            {
+                                                DEBUG_MESSAGE( lcmsSeven, "in <image>'s sp_image_update. Profile type is named color. Can't transform." );
+                                            }
+#endif // DEBUG_LCMS
+                                        }
+#ifdef DEBUG_LCMS
+                                        else
+                                        {
+                                            DEBUG_MESSAGE( lcmsEight, "in <image>'s sp_image_update. No profile found." );
+                                        }
+#endif // DEBUG_LCMS
+                                    }
+                                }
+#endif // ENABLE_LCMS
                                image->pixbuf = pixbuf;
                        }
                }
@@ -741,7 +885,8 @@ sp_image_write (SPObject *object, Inkscape::XML::Node *repr, guint flags)
        image = SP_IMAGE (object);
 
        if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
-               repr = sp_repr_new ("svg:image");
+                Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
+               repr = xml_doc->createElement("svg:image");
        }
 
        repr->setAttribute("xlink:href", image->href);
@@ -751,6 +896,9 @@ sp_image_write (SPObject *object, Inkscape::XML::Node *repr, guint flags)
        if (image->width._set) sp_repr_set_svg_double(repr, "width", image->width.computed);
        if (image->height._set) sp_repr_set_svg_double(repr, "height", image->height.computed);
        repr->setAttribute("preserveAspectRatio", object->repr->attribute("preserveAspectRatio"));
+#if ENABLE_LCMS
+        if (image->color_profile) repr->setAttribute("color-profile", image->color_profile);
+#endif // ENABLE_LCMS
 
        if (((SPObjectClass *) (parent_class))->write)
                ((SPObjectClass *) (parent_class))->write (object, repr, flags);
@@ -826,7 +974,7 @@ sp_image_description(SPItem *item)
                 : xml_quote_strdup(image->href);
         } else {
             g_warning("Attempting to call strncmp() with a null pointer.");
-            href_desc = g_strdup(_("(null_pointer)")); // we call g_free() on href_desc
+            href_desc = g_strdup("(null_pointer)"); // we call g_free() on href_desc
         }
 
        char *ret = ( image->pixbuf == NULL
@@ -853,6 +1001,7 @@ sp_image_show (SPItem *item, NRArena *arena, unsigned int key, unsigned int flag
        if (image->pixbuf) {
                pixskip = gdk_pixbuf_get_n_channels (image->pixbuf) * gdk_pixbuf_get_bits_per_sample (image->pixbuf) / 8;
                rs = gdk_pixbuf_get_rowstride (image->pixbuf);
+                nr_arena_image_set_style(NR_ARENA_IMAGE(ai), SP_OBJECT_STYLE(SP_OBJECT(item)));
                if (image->aspect_align == SP_ASPECT_NONE)
                        nr_arena_image_set_pixels (NR_ARENA_IMAGE (ai),
                                           gdk_pixbuf_get_pixels (image->pixbuf),
@@ -885,55 +1034,68 @@ sp_image_show (SPItem *item, NRArena *arena, unsigned int key, unsigned int flag
  */
 
 GdkPixbuf *
-sp_image_repr_read_image (Inkscape::XML::Node * repr)
+sp_image_repr_read_image (const gchar *href, const gchar *absref, const gchar *base)
 {
-       const gchar * filename, * docbase;
-       gchar * fullname;
-       GdkPixbuf * pixbuf;
-
-       filename = repr->attribute("xlink:href");
-       if (filename == NULL) filename = repr->attribute("href"); /* FIXME */
-       if (filename != NULL) {
-               if (strncmp (filename,"file:",5) == 0) {
-                       fullname = g_filename_from_uri(filename, NULL, NULL);
-                       if (fullname) {
-                               // TODO check this. Was doing a UTF-8 to filename conversion here.
-                               pixbuf = Inkscape::IO::pixbuf_new_from_file (fullname, NULL);
-                               if (pixbuf != NULL) return pixbuf;
-                       }
-               } else if (strncmp (filename,"data:",5) == 0) {
-                       /* data URI - embedded image */
-                       filename += 5;
-                       pixbuf = sp_image_repr_read_dataURI (filename);
-                       if (pixbuf != NULL) return pixbuf;
-               } else if (!g_path_is_absolute (filename)) {
-                       /* try to load from relative pos */
-                       docbase = sp_repr_document_root (sp_repr_document (repr))->attribute("sodipodi:docbase");
-                       if (!docbase) docbase = ".";
-                       fullname = g_build_filename(docbase, filename, NULL);
-                       pixbuf = Inkscape::IO::pixbuf_new_from_file( fullname, NULL );
-                       g_free (fullname);
-                       if (pixbuf != NULL) return pixbuf;
-               } else {
-                       /* try absolute filename */
-                       pixbuf = Inkscape::IO::pixbuf_new_from_file( filename, NULL );
-                       if (pixbuf != NULL) return pixbuf;
-               }
-       }
-       /* at last try to load from sp absolute path name */
-       filename = repr->attribute("sodipodi:absref");
-       if (filename != NULL) {
-               pixbuf = Inkscape::IO::pixbuf_new_from_file( filename, NULL );
-               if (pixbuf != NULL) return pixbuf;
-       }
-       /* Nope: We do not find any valid pixmap file :-( */
-       pixbuf = gdk_pixbuf_new_from_xpm_data ((const gchar **) brokenimage_xpm);
+    const gchar *filename, *docbase;
+    gchar *fullname;
+    GdkPixbuf *pixbuf;
+
+    filename = href;
+    if (filename != NULL) {
+        if (strncmp (filename,"file:",5) == 0) {
+            fullname = g_filename_from_uri(filename, NULL, NULL);
+            if (fullname) {
+                // TODO check this. Was doing a UTF-8 to filename conversion here.
+                pixbuf = Inkscape::IO::pixbuf_new_from_file (fullname, NULL);
+                if (pixbuf != NULL) return pixbuf;
+            }
+        } else if (strncmp (filename,"data:",5) == 0) {
+            /* data URI - embedded image */
+            filename += 5;
+            pixbuf = sp_image_repr_read_dataURI (filename);
+            if (pixbuf != NULL) return pixbuf;
+        } else {
 
-       /* It should be included xpm, so if it still does not does load, */
-       /* our libraries are broken */
-       g_assert (pixbuf != NULL);
+            if (!g_path_is_absolute (filename)) {
+                /* try to load from relative pos combined with document base*/
+                docbase = base;
+                if (!docbase) docbase = ".";
+                fullname = g_build_filename(docbase, filename, NULL);
+
+                // document base can be wrong (on the temporary doc when importing bitmap from a 
+                // different dir) or unset (when doc is not saved yet), so we check for base+href existence first,
+                // and if it fails, we also try to use bare href regardless of its g_path_is_absolute
+                if (g_file_test (fullname, G_FILE_TEST_EXISTS) && !g_file_test (fullname, G_FILE_TEST_IS_DIR)) {
+                    pixbuf = Inkscape::IO::pixbuf_new_from_file( fullname, NULL );
+                    g_free (fullname);
+                    if (pixbuf != NULL) return pixbuf;
+                }
+            } 
 
-       return pixbuf;
+            /* try filename as absolute */
+            if (g_file_test (filename, G_FILE_TEST_EXISTS) && !g_file_test (filename, G_FILE_TEST_IS_DIR)) {
+                pixbuf = Inkscape::IO::pixbuf_new_from_file( filename, NULL );
+                if (pixbuf != NULL) return pixbuf;
+            }
+        }
+    }
+
+    /* at last try to load from sp absolute path name */
+    filename = absref;
+    if (filename != NULL) {
+        // using absref is outside of SVG rules, so we must at least warn the user
+        g_warning ("<image xlink:href=\"%s\"> did not resolve to a valid image file (base dir is %s), now trying sodipodi:absref=\"%s\"", href, base, absref);
+        pixbuf = Inkscape::IO::pixbuf_new_from_file( filename, NULL );
+        if (pixbuf != NULL) return pixbuf;
+    }
+    /* Nope: We do not find any valid pixmap file :-( */
+    pixbuf = gdk_pixbuf_new_from_xpm_data ((const gchar **) brokenimage_xpm);
+
+    /* It should be included xpm, so if it still does not does load, */
+    /* our libraries are broken */
+    g_assert (pixbuf != NULL);
+
+    return pixbuf;
 }
 
 static GdkPixbuf *
@@ -973,6 +1135,7 @@ sp_image_update_canvas_image (SPImage *image)
        for (v = item->display; v != NULL; v = v->next) {
                pixskip = gdk_pixbuf_get_n_channels (image->pixbuf) * gdk_pixbuf_get_bits_per_sample (image->pixbuf) / 8;
                rs = gdk_pixbuf_get_rowstride (image->pixbuf);
+                nr_arena_image_set_style (NR_ARENA_IMAGE(v->arenaitem), SP_OBJECT_STYLE(SP_OBJECT(image)));
                if (image->aspect_align == SP_ASPECT_NONE) {
                        nr_arena_image_set_pixels (NR_ARENA_IMAGE (v->arenaitem),
                                           gdk_pixbuf_get_pixels (image->pixbuf),