Updated cases for attributes added in <color-profile> support

[inkscape.git] / src / sp-image.cpp

diff --git a/src/sp-image.cpp b/src/sp-image.cpp
index 631eb6a9c36f8544637be22497926f09e569c2ac..f9915031bb0cfdf37766efaf791a1bc9d0b6497e 100644 (file)
--- a/src/sp-image.cpp
+++ b/src/sp-image.cpp
@@ -36,7 +36,9 @@
 
 #include "io/sys.h"
 #include <png.h>
-
+#if ENABLE_LCMS
+#include "color-profile-fns.h"
+#endif // ENABLE_LCMS
 /*
  * SPImage
  */
@@ -382,7 +384,7 @@ 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 +480,7 @@ 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 +508,13 @@ 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 +618,16 @@ 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;
+                // 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);
@@ -635,6 +655,42 @@ sp_image_update (SPObject *object, SPCtx *ctx, unsigned int flags)
                        pixbuf = sp_image_repr_read_image (object->repr);
                        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 ) {
+                                        cmsHPROFILE prof = Inkscape::colorprofile_get_handle( SP_OBJECT_DOCUMENT( object ), image->color_profile );
+                                        if ( prof ) {
+                                            icProfileClassSignature profileClass = cmsGetDeviceClass( prof );
+                                            if ( profileClass != icSigNamedColorClass ) {
+                                                cmsHPROFILE destProf = cmsCreate_sRGBProfile();
+                                                cmsHTRANSFORM transf = cmsCreateTransform( prof, 
+                                                                                           TYPE_RGBA_8,
+                                                                                           destProf,
+                                                                                           TYPE_RGBA_8,
+                                                                                           INTENT_PERCEPTUAL, 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 );
+                                                }
+                                                cmsCloseProfile( destProf );
+                                            }
+                                        }
+                                    }
+                                }
+#endif // ENABLE_LCMS
                                image->pixbuf = pixbuf;
                        }
                }
@@ -751,6 +807,9 @@ 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);