From 17265630bbc582eda06b0dfc0ebdb8febc4362c5 Mon Sep 17 00:00:00 2001
From: joncruz <joncruz@users.sourceforge.net>
Date: Tue, 29 Sep 2009 05:31:51 +0000
Subject: [PATCH] Avoid crashing when profile is missing. Addresses main
 symptom of bug #437927.

---
 src/color-profile.cpp                 |  4 ++--
 src/widgets/sp-color-icc-selector.cpp | 27 ++++++++++++++++++---------
 2 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/src/color-profile.cpp b/src/color-profile.cpp
index 37ebc4f30..9b05aaa7e 100644
--- a/src/color-profile.cpp
+++ b/src/color-profile.cpp
@@ -487,7 +487,7 @@ cmsHPROFILE Inkscape::colorprofile_get_handle( SPDocument* document, guint* inte
 
 cmsHTRANSFORM ColorProfile::getTransfToSRGB8()
 {
-    if ( !_transf ) {
+    if ( !_transf && profHandle ) {
         int intent = getLcmsIntent(rendering_intent);
         _transf = cmsCreateTransform( profHandle, _getInputFormat(_profileSpace), getSRGBProfile(), TYPE_RGBA_8, intent, 0 );
     }
@@ -496,7 +496,7 @@ cmsHTRANSFORM ColorProfile::getTransfToSRGB8()
 
 cmsHTRANSFORM ColorProfile::getTransfFromSRGB8()
 {
-    if ( !_revTransf ) {
+    if ( !_revTransf && profHandle ) {
         int intent = getLcmsIntent(rendering_intent);
         _revTransf = cmsCreateTransform( getSRGBProfile(), TYPE_RGBA_8, profHandle, _getInputFormat(_profileSpace), intent, 0 );
     }
diff --git a/src/widgets/sp-color-icc-selector.cpp b/src/widgets/sp-color-icc-selector.cpp
index 916e4363c..a10d2380c 100644
--- a/src/widgets/sp-color-icc-selector.cpp
+++ b/src/widgets/sp-color-icc-selector.cpp
@@ -637,14 +637,17 @@ void ColorICCSelector::_colorChanged()
             tmp[i] = val * 0x0ffff;
         }
         guchar post[4] = {0,0,0,0};
-        cmsDoTransform( _prof->getTransfToSRGB8(), tmp, post, 1 );
-        guint32 other = SP_RGBA32_U_COMPOSE(post[0], post[1], post[2], 255 );
-        if ( other != _color.toRGBA32(255) ) {
-            _fixupNeeded = other;
-            gtk_widget_set_sensitive( _fixupBtn, TRUE );
+        cmsHTRANSFORM trans = _prof->getTransfToSRGB8();
+        if ( trans ) {
+            cmsDoTransform( trans, tmp, post, 1 );
+            guint32 other = SP_RGBA32_U_COMPOSE(post[0], post[1], post[2], 255 );
+            if ( other != _color.toRGBA32(255) ) {
+                _fixupNeeded = other;
+                gtk_widget_set_sensitive( _fixupBtn, TRUE );
 #ifdef DEBUG_LCMS
-            g_message("Color needs to change 0x%06x to 0x%06x", _color.toRGBA32(255) >> 8, other >> 8 );
+                g_message("Color needs to change 0x%06x to 0x%06x", _color.toRGBA32(255) >> 8, other >> 8 );
 #endif // DEBUG_LCMS
+            }
         }
     }
 #else
@@ -773,8 +776,11 @@ void ColorICCSelector::_updateSliders( gint ignore )
                         }
                     }
 
-                    cmsDoTransform( _prof->getTransfToSRGB8(), scratch, _fooMap[i], 1024 );
-                    sp_color_slider_set_map( SP_COLOR_SLIDER(_fooSlider[i]), _fooMap[i] );
+                    cmsHTRANSFORM trans = _prof->getTransfToSRGB8();
+                    if ( trans ) {
+                        cmsDoTransform( trans, scratch, _fooMap[i], 1024 );
+                        sp_color_slider_set_map( SP_COLOR_SLIDER(_fooSlider[i]), _fooMap[i] );
+                    }
                 }
             }
         }
@@ -840,7 +846,10 @@ void ColorICCSelector::_adjustmentChanged( GtkAdjustment *adjustment, SPColorICC
          }
          guchar post[4] = {0,0,0,0};
 
-         cmsDoTransform( iccSelector->_prof->getTransfToSRGB8(), tmp, post, 1 );
+         cmsHTRANSFORM trans = iccSelector->_prof->getTransfToSRGB8();
+         if ( trans ) {
+             cmsDoTransform( trans, tmp, post, 1 );
+         }
 
          SPColor other( SP_RGBA32_U_COMPOSE(post[0], post[1], post[2], 255) );
          other.icc = new SVGICCColor();
-- 
2.30.2