Remove HarfBuzzNGFaceSkia which looks not used by anyone

Bug: 118756613
Test: m checkbuild
Test: TreeHugger
Change-Id: I0c1fb02803a1637a4abb87377c30f2e353acc9da

2 files changed, 0 insertions, 182 deletions

diff --git a/core/jni/Android.bp b/core/jni/Android.bp
index 31bb1d57d702..8962e1d8c727 100644
--- a/core/jni/Android.bp
+++ b/core/jni/Android.bp
@@ -132,7 +132,6 @@ cc_library_shared {
         "android/graphics/GIFMovie.cpp",
         "android/graphics/GraphicBuffer.cpp",
         "android/graphics/Graphics.cpp",
-        "android/graphics/HarfBuzzNGFaceSkia.cpp",
         "android/graphics/ImageDecoder.cpp",
         "android/graphics/Interpolator.cpp",
         "android/graphics/MaskFilter.cpp",
diff --git a/core/jni/android/graphics/HarfBuzzNGFaceSkia.cpp b/core/jni/android/graphics/HarfBuzzNGFaceSkia.cpp
deleted file mode 100644
index cfe742d0134d..000000000000
--- a/core/jni/android/graphics/HarfBuzzNGFaceSkia.cpp
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * Copyright (c) 2012 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#define LOG_TAG "TextLayoutCache"
-
-#include "HarfBuzzNGFaceSkia.h"
-
-#include <stdlib.h>
-
-#include <log/log.h>
-
-#include <SkPaint.h>
-#include <SkPath.h>
-#include <SkPoint.h>
-#include <SkRect.h>
-#include <SkTypeface.h>
-
-#include <hb.h>
-
-namespace android {
-
-static const bool kDebugGlyphs = false;
-
-// Our implementation of the callbacks which Harfbuzz requires by using Skia
-// calls. See the Harfbuzz source for references about what these callbacks do.
-
-struct HarfBuzzFontData {
-    explicit HarfBuzzFontData(SkPaint* paint) : m_paint(paint) { }
-    SkPaint* m_paint;
-};
-
-static void SkiaGetGlyphWidthAndExtents(SkPaint* paint, hb_codepoint_t codepoint, hb_position_t* width, hb_glyph_extents_t* extents)
-{
-    ALOG_ASSERT(codepoint <= 0xFFFF);
-    paint->setTextEncoding(kGlyphID_SkTextEncoding);
-
-    SkScalar skWidth;
-    SkRect skBounds;
-    uint16_t glyph = codepoint;
-
-    paint->getTextWidths(&glyph, sizeof(glyph), &skWidth, &skBounds);
-    if (kDebugGlyphs) {
-        ALOGD("returned glyph for %i: width = %f", codepoint, skWidth);
-    }
-    if (width)
-        *width = SkScalarToHBFixed(skWidth);
-    if (extents) {
-        // Invert y-axis because Skia is y-grows-down but we set up harfbuzz to be y-grows-up.
-        extents->x_bearing = SkScalarToHBFixed(skBounds.fLeft);
-        extents->y_bearing = SkScalarToHBFixed(-skBounds.fTop);
-        extents->width = SkScalarToHBFixed(skBounds.width());
-        extents->height = SkScalarToHBFixed(-skBounds.height());
-    }
-}
-
-static hb_bool_t harfbuzzGetGlyph(hb_font_t* hbFont, void* fontData, hb_codepoint_t unicode, hb_codepoint_t variationSelector, hb_codepoint_t* glyph, void* userData)
-{
-    HarfBuzzFontData* hbFontData = reinterpret_cast<HarfBuzzFontData*>(fontData);
-    SkPaint* paint = hbFontData->m_paint;
-    paint->setTextEncoding(kUTF32_SkTextEncoding);
-
-    if (unicode > 0x10ffff) {
-        unicode = 0xfffd;
-    }
-    SkUnichar unichar = unicode;
-
-    uint16_t glyph16;
-    paint->textToGlyphs(&unichar, sizeof(unichar), &glyph16);
-    *glyph = glyph16;
-    return !!*glyph;
-}
-
-static hb_position_t harfbuzzGetGlyphHorizontalAdvance(hb_font_t* hbFont, void* fontData, hb_codepoint_t glyph, void* userData)
-{
-    HarfBuzzFontData* hbFontData = reinterpret_cast<HarfBuzzFontData*>(fontData);
-    hb_position_t advance = 0;
-
-    SkiaGetGlyphWidthAndExtents(hbFontData->m_paint, glyph, &advance, 0);
-    return advance;
-}
-
-static hb_bool_t harfbuzzGetGlyphHorizontalOrigin(hb_font_t* hbFont, void* fontData, hb_codepoint_t glyph, hb_position_t* x, hb_position_t* y, void* userData)
-{
-    // Just return true, following the way that Harfbuzz-FreeType
-    // implementation does.
-    return true;
-}
-
-static hb_bool_t harfbuzzGetGlyphExtents(hb_font_t* hbFont, void* fontData, hb_codepoint_t glyph, hb_glyph_extents_t* extents, void* userData)
-{
-    HarfBuzzFontData* hbFontData = reinterpret_cast<HarfBuzzFontData*>(fontData);
-
-    SkiaGetGlyphWidthAndExtents(hbFontData->m_paint, glyph, 0, extents);
-    return true;
-}
-
-static hb_font_funcs_t* harfbuzzSkiaGetFontFuncs()
-{
-    static hb_font_funcs_t* harfbuzzSkiaFontFuncs = 0;
-
-    // We don't set callback functions which we can't support.
-    // Harfbuzz will use the fallback implementation if they aren't set.
-    if (!harfbuzzSkiaFontFuncs) {
-        harfbuzzSkiaFontFuncs = hb_font_funcs_create();
-        hb_font_funcs_set_glyph_func(harfbuzzSkiaFontFuncs, harfbuzzGetGlyph, 0, 0);
-        hb_font_funcs_set_glyph_h_advance_func(harfbuzzSkiaFontFuncs, harfbuzzGetGlyphHorizontalAdvance, 0, 0);
-        hb_font_funcs_set_glyph_h_origin_func(harfbuzzSkiaFontFuncs, harfbuzzGetGlyphHorizontalOrigin, 0, 0);
-        hb_font_funcs_set_glyph_extents_func(harfbuzzSkiaFontFuncs, harfbuzzGetGlyphExtents, 0, 0);
-        hb_font_funcs_make_immutable(harfbuzzSkiaFontFuncs);
-    }
-    return harfbuzzSkiaFontFuncs;
-}
-
-hb_blob_t* harfbuzzSkiaReferenceTable(hb_face_t* face, hb_tag_t tag, void* userData)
-{
-    SkTypeface* typeface = reinterpret_cast<SkTypeface*>(userData);
-
-    const size_t tableSize = typeface->getTableSize(tag);
-    if (!tableSize)
-        return 0;
-
-    char* buffer = reinterpret_cast<char*>(malloc(tableSize));
-    if (!buffer)
-        return 0;
-    size_t actualSize = typeface->getTableData(tag, 0, tableSize, buffer);
-    if (tableSize != actualSize) {
-        free(buffer);
-        return 0;
-    }
-
-    return hb_blob_create(const_cast<char*>(buffer), tableSize,
-                          HB_MEMORY_MODE_WRITABLE, buffer, free);
-}
-
-static void destroyHarfBuzzFontData(void* data) {
-    delete (HarfBuzzFontData*)data;
-}
-
-hb_font_t* createFont(hb_face_t* face, SkPaint* paint, float sizeX, float sizeY) {
-    hb_font_t* font = hb_font_create(face);
-    
-    // Note: this needs to be reworked when we do subpixels
-    int x_ppem = floor(sizeX + 0.5);
-    int y_ppem = floor(sizeY + 0.5);
-    hb_font_set_ppem(font, x_ppem, y_ppem); 
-    hb_font_set_scale(font, HBFloatToFixed(sizeX), HBFloatToFixed(sizeY));
-
-    HarfBuzzFontData* data = new HarfBuzzFontData(paint);
-    hb_font_set_funcs(font, harfbuzzSkiaGetFontFuncs(), data, destroyHarfBuzzFontData);
-
-    return font;
-}
-
-} // namespace android