Merge remote branch 'origin/bug_530_add_dm800se_support'
[enigma2.git] / lib / gdi / font.cpp
index 6688a3d..a5db43a 100644 (file)
@@ -346,6 +346,8 @@ int eTextPara::appendGlyph(Font *current_font, FT_Face current_face, FT_UInt gly
                                i->x-=offset.x();
                                i->y-=offset.y();
                                i->bbox.moveBy(-offset.x(), -offset.y());
+                               --lineChars.back();
+                               ++charCount;
                        } while (i-- != glyphs.rbegin()); // rearrange them into the next line
                        cursor+=ePoint(linelength, 0);  // put the cursor after that line
                } else
@@ -383,6 +385,7 @@ int eTextPara::appendGlyph(Font *current_font, FT_Face current_face, FT_UInt gly
        ng.glyph_index = glyphIndex;
        ng.flags = flags;
        glyphs.push_back(ng);
+       ++charCount;
 
                /* when we have a SHY, don't xadvance. It will either be the last in the line (when used for breaking), or not displayed. */
        if (!(flags & GS_SOFTHYPHEN))
@@ -430,7 +433,13 @@ void eTextPara::newLine(int flags)
        cursor.setX(left);
        previous=0;
        int linegap=current_face->size->metrics.height-(current_face->size->metrics.ascender+current_face->size->metrics.descender);
+
+       lineOffsets.push_back(cursor.y());
+       lineChars.push_back(charCount);
+       charCount=0;
+
        cursor+=ePoint(0, (current_face->size->metrics.ascender+current_face->size->metrics.descender+linegap)>>6);
+
        if (maximum.height()<cursor.y())
                maximum.setHeight(cursor.y());
        previous=0;
@@ -600,22 +609,20 @@ int eTextPara::renderString(const char *string, int rflags)
        shape(uc_shape, uc_string);
        
                // now do the usual logical->visual reordering
-#ifdef HAVE_FRIBIDI    
+       int size=uc_shape.size();
+#ifdef HAVE_FRIBIDI
        FriBidiCharType dir=FRIBIDI_TYPE_ON;
-       {
-               int size=uc_shape.size();
-               uc_visual.resize(size);
-               // gaaanz lahm, aber anders geht das leider nicht, sorry.
-               FriBidiChar array[size], target[size];
-               std::copy(uc_shape.begin(), uc_shape.end(), array);
-               fribidi_log2vis(array, size, &dir, target, 0, 0, 0);
-               uc_visual.assign(target, target+size);
-       }
+       uc_visual.resize(size);
+       // gaaanz lahm, aber anders geht das leider nicht, sorry.
+       FriBidiChar array[size], target[size];
+       std::copy(uc_shape.begin(), uc_shape.end(), array);
+       fribidi_log2vis(array, size, &dir, target, 0, 0, 0);
+       uc_visual.assign(target, target+size);
 #else
        uc_visual=uc_shape;
 #endif
 
-       glyphs.reserve(uc_visual.size());
+       glyphs.reserve(size);
        
        int nextflags = 0;
        
@@ -709,8 +716,19 @@ nprint:    isprintable=0;
        calc_bbox();
 #ifdef HAVE_FRIBIDI
        if (dir & FRIBIDI_MASK_RTL)
+       {
                realign(dirRight);
+               doTopBottomReordering=true;
+       }
 #endif
+
+       if (charCount)
+       {
+               lineOffsets.push_back(cursor.y());
+               lineChars.push_back(charCount);
+               charCount=0;
+       }
+
        return 0;
 }
 
@@ -825,11 +843,21 @@ void eTextPara::blit(gDC &dc, const ePoint &offset, const gRGB &background, cons
        gRegion clip = dc.getClip() & area;
 
        int buffer_stride=surface->stride;
-       
+
        for (unsigned int c = 0; c < clip.rects.size(); ++c)
        {
-               for (glyphString::iterator i(glyphs.begin()); i != glyphs.end(); ++i)
+               std::list<int>::reverse_iterator line_offs_it(lineOffsets.rbegin());
+               std::list<int>::iterator line_chars_it(lineChars.begin());
+               int line_offs=0;
+               int line_chars=0;
+               for (glyphString::iterator i(glyphs.begin()); i != glyphs.end(); ++i, --line_chars)
                {
+                       while(!line_chars)
+                       {
+                               line_offs = *(line_offs_it++);
+                               line_chars = *(line_chars_it++);
+                       }
+
                        if (i->flags & GS_SOFTHYPHEN)
                                continue;
 
@@ -844,13 +872,13 @@ void eTextPara::blit(gDC &dc, const ePoint &offset, const gRGB &background, cons
                                lookup16 = lookup16_invert;
                                lookup32 = lookup32_invert;
                        }
-               
+
                        static FTC_SBit glyph_bitmap;
                        if (fontRenderClass::instance->getGlyphBitmap(&i->font->font, i->glyph_index, &glyph_bitmap))
                                continue;
                        int rx=i->x+glyph_bitmap->left + offset.x();
-                       int ry=i->y-glyph_bitmap->top  + offset.y();
-               
+                       int ry=(doTopBottomReordering ? line_offs : i->y) - glyph_bitmap->top + offset.y();
+
                        __u8 *d=(__u8*)(surface->data)+buffer_stride*ry+rx*surface->bypp;
                        __u8 *s=glyph_bitmap->buffer;
                        register int sx=glyph_bitmap->width;