From 756f794a1fce701092345a3f9afae039583fb55b Mon Sep 17 00:00:00 2001 From: Behdad Esfahbod Date: Sun, 26 Dec 2010 20:52:40 -0500 Subject: [PATCH] Remove Graphite backend It was unmaintained and the code has to be replaced to use the new grphite-ng code base. --- configure.ac | 6 -- src/Makefile.am | 14 --- src/hb-graphite.cc | 310 ----------------------------------------------------- src/hb-graphite.h | 47 -------- 4 files changed, 377 deletions(-) delete mode 100644 src/hb-graphite.cc delete mode 100644 src/hb-graphite.h diff --git a/configure.ac b/configure.ac index 4f3247c..773512e 100644 --- a/configure.ac +++ b/configure.ac @@ -42,12 +42,6 @@ if $have_icu; then fi AM_CONDITIONAL(HAVE_ICU, $have_icu) -PKG_CHECK_MODULES(GRAPHITE, silgraphite, have_graphite=true, have_graphite=false) -if $have_graphite; then - AC_DEFINE(HAVE_GRAPHITE, 1, [Have Graphite library]) -fi -AM_CONDITIONAL(HAVE_GRAPHITE, $have_graphite) - PKG_CHECK_MODULES(FREETYPE, freetype2, have_freetype=true, have_freetype=false) if $have_freetype; then AC_DEFINE(HAVE_FREETYPE, 1, [Have FreeType 2 library]) diff --git a/src/Makefile.am b/src/Makefile.am index 13107b9..ae9cf4c 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -96,17 +96,6 @@ HBHEADERS += \ $(NULL) endif -if HAVE_GRAPHITE -HBCFLAGS += $(GRAPHITE_CFLAGS) -HBLIBS += $(GRAPHITE_LIBS) -HBSOURCES += \ - hb-graphite.cc \ - $(NULL) -HBHEADERS += \ - hb-graphite.h \ - $(NULL) -endif - CXXLINK = $(LINK) libharfbuzz_la_SOURCES = $(HBSOURCES) $(HBHEADERS) libharfbuzz_la_CPPFLAGS = $(HBCFLAGS) @@ -138,10 +127,7 @@ TESTS = \ if HAVE_ICU else -if HAVE_GRAPHITE -else TESTS += check-libstdc++.sh endif -endif -include $(top_srcdir)/git.mk diff --git a/src/hb-graphite.cc b/src/hb-graphite.cc deleted file mode 100644 index 0a8d681..0000000 --- a/src/hb-graphite.cc +++ /dev/null @@ -1,310 +0,0 @@ -/* - * Copyright (C) 2009 Martin Hosken - * Copyright (C) 2009 SIL International - * - * This is part of HarfBuzz, a text shaping library. - * - * Permission is hereby granted, without written agreement and without - * license or royalty fees, to use, copy, modify, and distribute this - * software and its documentation for any purpose, provided that the - * above copyright notice and the following two paragraphs appear in - * all copies of this software. - * - * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR - * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN - * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO - * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - */ - -#include -#include -#include -#include -#include -#include "hb-buffer-private.hh" -#include "hb-font-private.h" -#include "hb-graphite.h" -#include - -HB_BEGIN_DECLS - - -namespace TtfUtil -{ -extern int FontAscent(const void *pOS2); -extern int FontDescent(const void *pOS2); -extern int DesignUnits(const void *pHead); -extern bool FontOs2Style(const void *pOS2, bool &fBold, bool &fItalic); -} - -typedef struct _featureSetting { - unsigned int id; - int value; -} featureSetting; - -class HbGrBufferTextSrc : public gr::ITextSource -{ -public: - HbGrBufferTextSrc(hb_buffer_t *buff, hb_feature_t *feats, unsigned int num_features) - { - hb_feature_t *aFeat = feats; - featureSetting *aNewFeat; - - buffer = hb_buffer_reference(buff); - features = new featureSetting[num_features]; - nFeatures = num_features; - aNewFeat = features; - for (unsigned int i = 0; i < num_features; i++, aFeat++, aNewFeat++) - { - aNewFeat->id = aFeat->tag; - aNewFeat->value = aFeat->value; - } - }; - ~HbGrBufferTextSrc() { hb_buffer_destroy(buffer); delete[] features; }; - virtual gr::UtfType utfEncodingForm() { return gr::kutf32; }; - virtual size_t getLength() { return buffer->len; }; - virtual size_t fetch(gr::toffset ichMin, size_t cch, gr::utf32 * prgchBuffer) - { - assert(cch <= buffer->len); - if (cch > buffer->len) - return 0; - for (unsigned int i = ichMin; i < ichMin + cch; i++) - prgchBuffer[i - ichMin] = buffer->info[i].codepoint; - return (cch - ichMin); - }; - virtual size_t fetch(gr::toffset ichMin, size_t cch, gr::utf16 * prgchBuffer) { return 0 ;}; - virtual size_t fetch(gr::toffset ichMin, size_t cch, gr::utf8 * prgchBuffer) { return 0; }; - virtual bool getRightToLeft(gr::toffset ich) - { return hb_buffer_get_direction(buffer) == HB_DIRECTION_RTL; }; - virtual unsigned int getDirectionDepth(gr::toffset ich) - { return hb_buffer_get_direction(buffer) == HB_DIRECTION_RTL ? 1 : 0; }; - virtual float getVerticalOffset(gr::toffset ich) { return 0; }; - virtual gr::isocode getLanguage(gr::toffset ich) - { - gr::isocode aLang; - char *p = (char *)(buffer->language); - int i; - for (i = 0; i < 4; i++) - { - if (p != NULL) - aLang.rgch[i] = *p; - else - aLang.rgch[i] = 0; - if (p && *p) - p++; - } - return aLang; - } - - virtual std::pair propertyRange(gr::toffset ich) - { return std::pair(0, buffer->len); }; - virtual size_t getFontFeatures(gr::toffset ich, gr::FeatureSetting * prgfset) - { - featureSetting *aFeat = features; - for (unsigned int i = 0; i < nFeatures; i++, aFeat++, prgfset++) - { - prgfset->id = aFeat->id; - prgfset->value = aFeat->value; - } - return nFeatures; - } - virtual bool sameSegment(gr::toffset ich1, gr::toffset ich2) {return true; }; - -private: - hb_buffer_t *buffer; - featureSetting *features; - unsigned int nFeatures; -}; - -class HbGrFont : public gr::Font -{ -public: - HbGrFont(hb_font_t *font, hb_face_t *face) : gr::Font() - { m_font = hb_font_reference(font); m_face = hb_face_reference(face); initfont(); }; - ~HbGrFont() - { - std::map::iterator p = m_blobs.begin(); - while (p != m_blobs.end()) - { hb_blob_destroy((p++)->second); } - hb_font_destroy(m_font); - hb_face_destroy(m_face); - }; - HbGrFont (const HbGrFont &font) : gr::Font(font) - { - *this = font; - m_blobs = std::map(font.m_blobs); - std::map::iterator p=m_blobs.begin(); - while (p != m_blobs.end()) { hb_blob_reference((*p++).second); } - hb_font_reference(m_font); - hb_face_reference(m_face); - }; - virtual HbGrFont *copyThis() { return new HbGrFont(*this); }; - virtual bool bold() { return m_bold; }; - virtual bool italic() { return m_italic; }; - virtual float ascent() { float asc; getFontMetrics(&asc, NULL, NULL); return asc; }; - virtual float descent() { float desc; getFontMetrics(NULL, &desc, NULL); return desc; }; - virtual float height() - { float asc, desc; getFontMetrics(&asc, &desc, NULL); return (asc + desc); }; - virtual unsigned int getDPIx() { return m_font->x_ppem; }; - virtual unsigned int getDPIy() { return m_font->y_ppem; }; - virtual const void *getTable(gr::fontTableId32 tableID, size_t *pcbsize) - { - hb_blob_t *blob; - std::map::iterator p=m_blobs.find((hb_tag_t)tableID); - if (p == m_blobs.end()) - { - blob = hb_face_get_table(m_face, (hb_tag_t)tableID); - m_blobs[(hb_tag_t)tableID] = blob; - } - else - { blob = p->second; } - - const char *res = hb_blob_lock(blob); - if (pcbsize) - *pcbsize = hb_blob_get_length(blob); - hb_blob_unlock(blob); - return (const void *)res; - } - - virtual void getFontMetrics(float *pAscent, float *pDescent, float *pEmSquare) - { - if (pAscent) *pAscent = 1. * m_ascent * m_font->y_ppem / m_emsquare; - if (pDescent) *pDescent = 1. * m_descent * m_font->y_ppem / m_emsquare; - if (pEmSquare) *pEmSquare = m_font->x_scale; - } - virtual void getGlyphPoint(gr::gid16 glyphID, unsigned int pointNum, gr::Point &pointReturn) - { - hb_position_t x, y; - hb_font_get_contour_point(m_font, m_face, pointNum, glyphID, &x, &y); - pointReturn.x = (float)x; - pointReturn.y = (float)y; - } - - virtual void getGlyphMetrics(gr::gid16 glyphID, gr::Rect &boundingBox, gr::Point &advances) - { - hb_glyph_metrics_t metrics; - hb_font_get_glyph_metrics(m_font, m_face, glyphID, &metrics); - boundingBox.top = (metrics.y_offset + metrics.height); - boundingBox.bottom = metrics.y_offset; - boundingBox.left = metrics.x_offset; - boundingBox.right = (metrics.x_offset + metrics.width); - advances.x = metrics.x_advance; - advances.y = metrics.y_advance; -// fprintf (stderr, "%d: (%d, %d, %d, %d)+(%d, %d)\n", glyphID, metrics.x_offset, metrics.y_offset, metrics.width, metrics.height, metrics.x_advance, metrics.y_advance); - } - -private: - HB_INTERNAL void initfont(); - - hb_font_t *m_font; - hb_face_t *m_face; - float m_ascent; - float m_descent; - float m_emsquare; - bool m_bold; - bool m_italic; - std::map m_blobs; -}; - -void HbGrFont::initfont() -{ - const void *pOS2 = getTable(gr::kttiOs2, NULL); - const void *pHead = getTable(gr::kttiHead, NULL); - TtfUtil::FontOs2Style(pOS2, m_bold, m_italic); - m_ascent = static_cast(TtfUtil::FontAscent(pOS2)); - m_descent = static_cast(TtfUtil::FontDescent(pOS2)); - m_emsquare = static_cast(TtfUtil::DesignUnits(pHead)); -} - -void -hb_graphite_shape (hb_font_t *font, - hb_face_t *face, - hb_buffer_t *buffer, - hb_feature_t *features, - unsigned int num_features) -{ - /* create text source */ - HbGrBufferTextSrc textSrc(buffer, features, num_features); - - /* create grfont */ - HbGrFont grfont(font, face); - - /* create segment */ - int *firsts; - bool *flags; - int numChars; - int numGlyphs; - gr::LayoutEnvironment layout; - std::pairglyph_range; - gr::GlyphIterator iGlyph; - hb_codepoint_t *glyph_infos, *pGlyph; - hb_glyph_position_t *pPosition; - int cGlyph = 0; - int cChar = 0; - - layout.setStartOfLine(0); - layout.setEndOfLine(0); - layout.setDumbFallback(true); - layout.setJustifier(NULL); - layout.setRightToLeft(false); - - gr::RangeSegment pSegment(&grfont, &textSrc, &layout, (gr::toffset)0, - static_cast(buffer->len), (gr::Segment *)NULL); - - /* fill in buffer from segment */ - _hb_buffer_clear_output(buffer); - pSegment.getUniscribeClusters(NULL, 0, &numChars, NULL, 0, &numGlyphs); - firsts = new int[numChars]; - flags = new bool[numGlyphs]; - glyph_infos = new hb_codepoint_t[numGlyphs]; - hb_buffer_ensure(buffer, numGlyphs); - pSegment.getUniscribeClusters(firsts, numChars, NULL, flags, numGlyphs, NULL); - glyph_range = pSegment.glyphs(); - for (pGlyph = glyph_infos, iGlyph = glyph_range.first; iGlyph != glyph_range.second; - iGlyph++, pGlyph++) - { *pGlyph = iGlyph->glyphID(); } - - while (cGlyph < numGlyphs) - { - if (flags[cGlyph]) - { - int oldcChar = cChar++; - int oldcGlyph = cGlyph++; - while (cChar < numChars && firsts[cChar] == firsts[oldcChar]) cChar++; - while (cGlyph < numGlyphs && !flags[cGlyph]) cGlyph++; - _hb_buffer_add_output_glyphs(buffer, cChar - oldcChar, cGlyph - oldcGlyph, - glyph_infos + oldcGlyph, 0xFFFF, 0xFFFF); - } - else - { cGlyph++; } /* This should never happen */ - } - - float curradvx = 0., curradvy = 0.; - for (pPosition = hb_buffer_get_glyph_positions(buffer), iGlyph = glyph_range.first; - iGlyph != glyph_range.second; pPosition++, iGlyph++) - { - pPosition->x_offset = iGlyph->origin() - curradvx; - pPosition->y_offset = iGlyph->yOffset() - curradvy; - pPosition->x_advance = pPosition->x_offset + iGlyph->advanceWidth(); - pPosition->y_advance = pPosition->y_offset + iGlyph->advanceHeight(); - if (pPosition->x_advance < 0 && iGlyph->logicalIndex() != iGlyph->attachedClusterBase()->logicalIndex()) - pPosition->x_advance = 0; - curradvx += pPosition->x_advance; - curradvy += pPosition->y_advance; -// fprintf(stderr, "%d@(%f, %f)+(%f, %f)\n", iGlyph->glyphID(), iGlyph->origin(), iGlyph->yOffset(), iGlyph->advanceWidth(), iGlyph->advanceHeight()); - } - - delete[] glyph_infos; - delete[] firsts; - delete[] flags; -} - - -HB_END_DECLS diff --git a/src/hb-graphite.h b/src/hb-graphite.h deleted file mode 100644 index b5d1176..0000000 --- a/src/hb-graphite.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Copyright (C) 2009, Martin Hosken - * Copyright (C) 2009, SIL International - * - * This is part of HarfBuzz, a text shaping library. - * - * Permission is hereby granted, without written agreement and without - * license or royalty fees, to use, copy, modify, and distribute this - * software and its documentation for any purpose, provided that the - * above copyright notice and the following two paragraphs appear in - * all copies of this software. - * - * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR - * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN - * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO - * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - * - * Red Hat Author(s): Behdad Esfahbod - */ - -#ifndef HB_GRAPHITE_H -#define HB_GRAPHITE_H - -#include "hb-shape.h" - -HB_BEGIN_DECLS - - -#define HB_GRAPHITE_TAG_Silf HB_TAG('S','i','l','f') - -void hb_graphite_shape (hb_font_t *font, - hb_face_t *face, - hb_buffer_t *buffer, - hb_feature_t *features, - unsigned int num_features); - - -HB_END_DECLS - -#endif /* HB_GRAPHITE_H */ -- 2.7.4