libvisio fixes

Change-Id: If1bba0240b0a032a1bbbbb55329e2f0e5f507622

external/libvisio/UnpackedTarball_libvisio.mk

@@ -16,6 +16,8 @@ $(eval $(call gb_UnpackedTarball_set_patchlevel,libvisio,0))
 $(eval $(call gb_UnpackedTarball_add_patches,libvisio,\
        external/libvisio/vsd-msvc-max.patch.1 \
        external/libvisio/ubsan.patch \
+       external/libvisio/tdf-92270-VSDX-theme-color-import-fix.patch \
+       external/libvisio/tdf-92271-fix-VSDX-char-background-handling.patch \
 ))
 
 ifeq ($(COM_GCC_IS_CLANG),TRUE)

external/libvisio/tdf-92270-VSDX-theme-color-import-fix.patch

+--- src/lib/VSDXTheme.cpp
++++ src/lib/VSDXTheme.cpp
+@@ -341,18 +341,25 @@ boost::optional<libvisio::Colour> libvisio::VSDXTheme::getThemeColour(unsigned v
+     switch (value)
+     {
+     case 100:
++    case 200:
+       return m_clrScheme.m_variationClrSchemeLst[variationIndex].m_varColor1;
+     case 101:
++    case 201:
+       return m_clrScheme.m_variationClrSchemeLst[variationIndex].m_varColor2;
+     case 102:
++    case 202:
+       return m_clrScheme.m_variationClrSchemeLst[variationIndex].m_varColor3;
+     case 103:
++    case 203:
+       return m_clrScheme.m_variationClrSchemeLst[variationIndex].m_varColor4;
+     case 104:
++    case 204:
+       return m_clrScheme.m_variationClrSchemeLst[variationIndex].m_varColor5;
+     case 105:
++    case 205:
+       return m_clrScheme.m_variationClrSchemeLst[variationIndex].m_varColor6;
+     case 106:
++    case 206:
+       return m_clrScheme.m_variationClrSchemeLst[variationIndex].m_varColor7;
+     default:
+       break;

external/libvisio/tdf-92271-fix-VSDX-char-background-handling.patch

+--- src/lib/VSDStyles.h
++++ src/lib/VSDStyles.h
+@@ -426,7 +426,7 @@ struct VSDTextBlockStyle
+ {
+   VSDTextBlockStyle() :
+     leftMargin(0.0), rightMargin(0.0), topMargin(0.0), bottomMargin(0.0), verticalAlign(1),
+-    isTextBkgndFilled(true), textBkgndColour(0xff,0xff,0xff,0), defaultTabStop(0.5), textDirection(0) {}
++    isTextBkgndFilled(false), textBkgndColour(0xff,0xff,0xff,0), defaultTabStop(0.5), textDirection(0) {}
+   VSDTextBlockStyle(double lm, double rm, double tm, double bm, unsigned char va,
+                     bool isBgFilled, Colour bgClr, double defTab, unsigned char td) :
+     leftMargin(lm), rightMargin(rm), topMargin(tm), bottomMargin(bm), verticalAlign(va),
+--- src/lib/VSDXParser.cpp
++++ src/lib/VSDXParser.cpp
+@@ -939,7 +939,7 @@ int libvisio::VSDXParser::getElementDepth(xmlTextReaderPtr reader)
+ void libvisio::VSDXParser::readShapeProperties(xmlTextReaderPtr reader)
+ {
+   // Text block properties
+-  long bgClrId = 0;
++  long bgClrId = -1;
+
+   int ret = 1;
+   int tokenId = XML_TOKEN_INVALID;
+@@ -1213,6 +1213,7 @@ void libvisio::VSDXParser::readShapeProperties(xmlTextReaderPtr reader)
+             textBkgndColour = Colour(0xff, 0xff, 0xff, 0);
+         }
+         m_shape.m_textBlockStyle.textBkgndColour = textBkgndColour;
++        m_shape.m_textBlockStyle.isTextBkgndFilled = true;
+       }
+       break;
+     case XML_DEFAULTTABSTOP: