Cleanup crossplatform cairo

Mac / Win cairo is not built / used, this cairo code can be removed to
reduce code bloat.

4th Revised version with Android fixes

Change-Id: I6e56850f535ca13b77839b7d67e227c5f39d388e
Reviewed-on: https://gerrit.libreoffice.org/16218
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

1 files changed, 4 insertions, 93 deletions

diff --git a/canvas/source/cairo/cairo_textlayout.cxx b/canvas/source/cairo/cairo_textlayout.cxx
index 35e98c741c4c..6f5326409999 100644
--- a/canvas/source/cairo/cairo_textlayout.cxx
+++ b/canvas/source/cairo/cairo_textlayout.cxx
@@ -26,15 +26,6 @@
 
 #include <vcl/metric.hxx>
 #include <vcl/virdev.hxx>
-
-#ifdef WNT
-#ifdef max
-#undef max
-#endif
-#ifdef min
-#undef min
-#endif
-#endif
 #include <vcl/sysdata.hxx>
 
 #include <basegfx/matrix/b2dhommatrix.hxx>
@@ -45,21 +36,12 @@
 #include "cairo_textlayout.hxx"
 #include "cairo_spritecanvas.hxx"
 
-#ifdef CAIRO_HAS_QUARTZ_SURFACE
-#include <cairo-quartz.h>
-#elif defined CAIRO_HAS_WIN32_SURFACE
-# include "cairo_win32_cairo.hxx"
-# include <cairo-win32.h>
-#elif defined CAIRO_HAS_FT_FONT
+#if defined CAIRO_HAS_FT_FONT
 # include <cairo-ft.h>
 #else
 # error Native API needed.
 #endif
 
-#ifdef IOS
-#include <CoreText/CoreText.h>
-#endif
-
 using namespace ::cairo;
 using namespace ::com::sun::star;
 
@@ -309,7 +291,7 @@ namespace cairocanvas
    **/
     bool TextLayout::isCairoRenderable(SystemFontData aSysFontData) const
     {
-#if defined UNX && !defined MACOSX && !defined IOS
+#if defined CAIRO_HAS_FT_FONT
         // is font usable?
         if (!aSysFontData.nFontId)
             return false;
@@ -325,46 +307,6 @@ namespace cairocanvas
         return true;
     }
 
-#ifdef CAIRO_HAS_WIN32_SURFACE
-    namespace
-    {
-        /**
-         * cairo::ucs4toindex: Convert ucs4 char to glyph index
-         * @param ucs4 an ucs4 char
-         * @param hfont current font
-         *
-         * @return true if successful
-         **/
-        unsigned long ucs4toindex(unsigned int ucs4, HFONT hfont)
-        {
-            wchar_t unicode[2];
-            WORD glyph_index;
-            HDC hdc = NULL;
-
-            hdc = CreateCompatibleDC (NULL);
-
-            if (!hdc) return 0;
-            if (!SetGraphicsMode (hdc, GM_ADVANCED))
-            {
-                DeleteDC (hdc);
-                return 0;
-            }
-
-            SelectObject (hdc, hfont);
-            SetMapMode (hdc, MM_TEXT);
-
-            unicode[0] = ucs4;
-            unicode[1] = 0;
-            if (GetGlyphIndicesW (hdc, unicode, 1, &glyph_index, 0) == GDI_ERROR)
-            {
-                glyph_index = 0;
-            }
-
-            DeleteDC (hdc);
-            return glyph_index;
-        }
-    }
-#endif
 
   /**
    * TextLayout::draw
@@ -385,9 +327,6 @@ namespace cairocanvas
     {
         ::osl::MutexGuard aGuard( m_aMutex );
         SystemTextLayoutData aSysLayoutData;
-#if (defined CAIRO_HAS_WIN32_SURFACE) && (OSL_DEBUG_LEVEL > 1)
-        LOGFONTW logfont;
-#endif
         setupLayoutMode( rOutDev, mnTextDirection );
 
         // TODO(P2): cache that
@@ -484,11 +423,6 @@ namespace cairocanvas
 
                 cairo_glyph_t aGlyph;
                 aGlyph.index = systemGlyph.index;
-#ifdef CAIRO_HAS_WIN32_SURFACE
-                // Cairo requires standard glyph indexes (ETO_GLYPH_INDEX), while vcl/win/* uses ucs4 chars.
-                // Convert to standard indexes
-                aGlyph.index = ucs4toindex((unsigned int) aGlyph.index, rSysFontData.hFont);
-#endif
                 aGlyph.x = systemGlyph.x;
                 aGlyph.y = systemGlyph.y;
                 cairo_glyphs.push_back(aGlyph);
@@ -502,24 +436,7 @@ namespace cairocanvas
              **/
             cairo_font_face_t* font_face = NULL;
 
-#ifdef CAIRO_HAS_QUARTZ_SURFACE
-# ifdef MACOSX
-            // TODO: use cairo_quartz_font_face_create_for_cgfont(cgFont)
-            //       when CGFont (Mac OS X 10.5 API) is provided by the AQUA VCL backend.
-            font_face = cairo_quartz_font_face_create_for_atsu_font_id((ATSUFontID) rSysFontData.aATSUFontID);
-# else // iOS
-            font_face = cairo_quartz_font_face_create_for_cgfont( CTFontCopyGraphicsFont( rSysFontData.rCTFont, NULL ) );
-# endif
-
-#elif defined CAIRO_HAS_WIN32_SURFACE
-# if (OSL_DEBUG_LEVEL > 1)
-            GetObjectW( rSysFontData.hFont, sizeof(logfont), &logfont );
-# endif
-            // Note: cairo library uses logfont fallbacks when lfEscapement, lfOrientation and lfWidth are not zero.
-            // VCL always has non-zero value for lfWidth
-            font_face = cairo_win32_font_face_create_for_hfont(rSysFontData.hFont);
-
-#elif defined CAIRO_HAS_FT_FONT
+#if defined CAIRO_HAS_FT_FONT
             font_face = cairo_ft_font_face_create_for_ft_face(static_cast<FT_Face>(rSysFontData.nFontId),
                                                               rSysFontData.nFontFlags);
 #else
@@ -567,11 +484,6 @@ namespace cairocanvas
 
             cairo_set_font_matrix(pSCairo.get(), &m);
 
-#if (defined CAIRO_HAS_WIN32_SURFACE) && (OSL_DEBUG_LEVEL > 1)
-# define TEMP_TRACE_FONT OUString(reinterpret_cast<const sal_Unicode*> (logfont.lfFaceName))
-#else
-# define TEMP_TRACE_FONT aFont.GetName()
-#endif
             SAL_INFO(
                 "canvas.cairo",
                 "Size:(" << aFont.GetWidth() << "," << aFont.GetHeight()
@@ -586,9 +498,8 @@ namespace cairocanvas
                     << (rSysFontData.bAntialias ? "AA " : "")
                     << (rSysFontData.bFakeBold ? "FB " : "")
                     << (rSysFontData.bFakeItalic ? "FI " : "") << " || Name:"
-                    << TEMP_TRACE_FONT << " - "
+                    << aFont.GetName() << " - "
                     << maText.Text.copy(maText.StartPosition, maText.Length));
-#undef TEMP_TRACE_FONT
 
             cairo_show_glyphs(pSCairo.get(), &cairo_glyphs[0], cairo_glyphs.size());