remove antediluvian cruft

[inkscape.git] / src / libnrtype / Layout-TNG-Input.cpp

diff --git a/src/libnrtype/Layout-TNG-Input.cpp b/src/libnrtype/Layout-TNG-Input.cpp
index c8dc41e953234d8a5e13d44856e7d02af593edce..dcf76b3bddc17d171339fbe8a7ffa1f62e531ef1 100755 (executable)
--- a/src/libnrtype/Layout-TNG-Input.cpp
+++ b/src/libnrtype/Layout-TNG-Input.cpp
@@ -8,6 +8,8 @@
  *
  * Released under GNU GPL, read the file 'COPYING' for more information
  */
+
+#include <gtk/gtkversion.h>
 #include "Layout-TNG.h"
 #include "style.h"
 #include "svg/svg-length.h"
@@ -138,7 +140,7 @@ float Layout::InputStreamTextSource::styleComputeFontSize() const
                 }
             }
         }
-        if (this_style->object->parent == NULL) break;
+        if (this_style->object == NULL || this_style->object->parent == NULL) break;
         this_style = this_style->object->parent->style;
         if (this_style == NULL) break;
     }
@@ -167,7 +169,7 @@ Layout::Direction Layout::InputStreamTextSource::styleGetBlockProgression() cons
             return (Layout::Direction)_enum_converter(this_style->block_progression.computed, enum_convert_spstyle_block_progression_to_direction, sizeof(enum_convert_spstyle_block_progression_to_direction)/sizeof(enum_convert_spstyle_block_progression_to_direction[0]));
         if (this_style->writing_mode.set)
             return (Layout::Direction)_enum_converter(this_style->writing_mode.computed, enum_convert_spstyle_writing_mode_to_direction, sizeof(enum_convert_spstyle_writing_mode_to_direction)/sizeof(enum_convert_spstyle_writing_mode_to_direction[0]));
-        if (this_style->object->parent == NULL) break;
+        if (this_style->object == NULL || this_style->object->parent == NULL) break;
         this_style = this_style->object->parent->style;
         if (this_style == NULL) break;
     }
@@ -175,13 +177,13 @@ Layout::Direction Layout::InputStreamTextSource::styleGetBlockProgression() cons
 
 }
 
-static Layout::Alignment text_anchor_to_alignment(unsigned anchor, Layout::Direction para_direction)
+static Layout::Alignment text_anchor_to_alignment(unsigned anchor, Layout::Direction /*para_direction*/)
 {
     switch (anchor) {
         default:
-        case SP_CSS_TEXT_ANCHOR_START:  return para_direction == Layout::LEFT_TO_RIGHT ? Layout::LEFT : Layout::RIGHT;
+        case SP_CSS_TEXT_ANCHOR_START:  return Layout::LEFT;
         case SP_CSS_TEXT_ANCHOR_MIDDLE: return Layout::CENTER;
-        case SP_CSS_TEXT_ANCHOR_END:    return para_direction == Layout::LEFT_TO_RIGHT ? Layout::RIGHT : Layout::LEFT;
+        case SP_CSS_TEXT_ANCHOR_END:    return Layout::RIGHT;
     }
 }
 
@@ -211,7 +213,7 @@ Layout::Alignment Layout::InputStreamTextSource::styleGetAlignment(Layout::Direc
         }
         if (this_style->text_anchor.set)
             return text_anchor_to_alignment(this_style->text_anchor.computed, para_direction);
-        if (this_style->object->parent == NULL) break;
+        if (this_style->object == NULL || this_style->object->parent == NULL) break;
         this_style = this_style->object->parent->style;
         if (this_style == NULL) break;
     }
@@ -229,7 +231,11 @@ static const Layout::EnumConversionItem enum_convert_spstyle_weight_to_pango_wei
     {SP_CSS_FONT_WEIGHT_200, PANGO_WEIGHT_ULTRALIGHT},
     {SP_CSS_FONT_WEIGHT_300, PANGO_WEIGHT_LIGHT},
     {SP_CSS_FONT_WEIGHT_400, PANGO_WEIGHT_NORMAL},
+#if GTK_CHECK_VERSION(2,6,0)
     {SP_CSS_FONT_WEIGHT_500, PANGO_WEIGHT_SEMIBOLD},
+#else 
+    {SP_CSS_FONT_WEIGHT_500, PANGO_WEIGHT_NORMAL},
+#endif
     {SP_CSS_FONT_WEIGHT_600, PANGO_WEIGHT_BOLD},
     {SP_CSS_FONT_WEIGHT_BOLD,PANGO_WEIGHT_BOLD},
     {SP_CSS_FONT_WEIGHT_700, PANGO_WEIGHT_BOLD},
@@ -284,14 +290,18 @@ PangoFontDescription *Layout::InputStreamTextSource::styleGetFontDescription() c
 
     pango_font_description_set_family(descr,family.c_str());
     pango_font_description_set_weight(descr,(PangoWeight)_enum_converter(style->font_weight.computed,  enum_convert_spstyle_weight_to_pango_weight,   sizeof(enum_convert_spstyle_weight_to_pango_weight)/sizeof(enum_convert_spstyle_weight_to_pango_weight[0])));
-    pango_font_description_set_stretch(descr,(PangoStretch)_enum_converter(style->font_stretch.computed, enum_convert_spstyle_stretch_to_pango_stretch, sizeof(enum_convert_spstyle_stretch_to_pango_stretch)/sizeof(enum_convert_spstyle_stretch_to_pango_stretch[0])));
     pango_font_description_set_style(descr,(PangoStyle)_enum_converter(style->font_style.computed,   enum_convert_spstyle_style_to_pango_style,     sizeof(enum_convert_spstyle_style_to_pango_style)/sizeof(enum_convert_spstyle_style_to_pango_style[0])));
     pango_font_description_set_variant(descr,(PangoVariant)_enum_converter(style->font_variant.computed, enum_convert_spstyle_variant_to_pango_variant, sizeof(enum_convert_spstyle_variant_to_pango_variant)/sizeof(enum_convert_spstyle_variant_to_pango_variant[0])));
 #ifdef USE_PANGO_WIN32
     // damn Pango fudges the size, so we need to unfudge. See source of pango_win32_font_map_init()
     pango_font_description_set_size(descr, (int) ((font_factory::Default())->fontSize*PANGO_SCALE*72/GetDeviceCaps(pango_win32_get_dc(),LOGPIXELSY))); // mandatory huge size (hinting workaround)
+    // we don't set stretch on Win32, because pango-win32 has no concept of it
+    // (Windows doesn't really provide any useful field it could use).
+    // If we did set stretch, then any text with a font-stretch attribute would
+    // end up falling back to Arial.
 #else
     pango_font_description_set_size(descr, (int) ((font_factory::Default())->fontSize*PANGO_SCALE)); // mandatory huge size (hinting workaround)
+    pango_font_description_set_stretch(descr,(PangoStretch)_enum_converter(style->font_stretch.computed, enum_convert_spstyle_stretch_to_pango_stretch, sizeof(enum_convert_spstyle_stretch_to_pango_stretch)/sizeof(enum_convert_spstyle_stretch_to_pango_stretch[0])));
 #endif
     return descr;
 }