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Diffstat (limited to 'graphics/java/android/graphics/fonts/NativeFont.java')
| -rw-r--r-- | graphics/java/android/graphics/fonts/NativeFont.java | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/graphics/java/android/graphics/fonts/NativeFont.java b/graphics/java/android/graphics/fonts/NativeFont.java deleted file mode 100644 index 9e9d76a89385..000000000000 --- a/graphics/java/android/graphics/fonts/NativeFont.java +++ /dev/null @@ -1,205 +0,0 @@ -/* - * Copyright (C) 2020 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.graphics.fonts; - -import android.graphics.Typeface; - -import dalvik.annotation.optimization.CriticalNative; -import dalvik.annotation.optimization.FastNative; - -import java.io.File; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.List; -import java.util.Objects; - -/** - * Read native font objects. - * - * @hide - */ -public class NativeFont { - - /** - * Represents native font object. - */ - public static final class Font { - private final File mFile; - private final int mIndex; - private final FontVariationAxis[] mAxes; - private final FontStyle mStyle; - - public Font(File file, int index, FontVariationAxis[] axes, FontStyle style) { - mFile = file; - mIndex = index; - mAxes = axes; - mStyle = style; - } - - public File getFile() { - return mFile; - } - - public FontVariationAxis[] getAxes() { - return mAxes; - } - - public FontStyle getStyle() { - return mStyle; - } - - public int getIndex() { - return mIndex; - } - - @Override - public boolean equals(Object o) { - if (this == o) return true; - if (o == null || getClass() != o.getClass()) return false; - Font font = (Font) o; - return mIndex == font.mIndex && mFile.equals(font.mFile) - && Arrays.equals(mAxes, font.mAxes) && mStyle.equals(font.mStyle); - } - - @Override - public int hashCode() { - int result = Objects.hash(mFile, mIndex, mStyle); - result = 31 * result + Arrays.hashCode(mAxes); - return result; - } - } - - /** - * Represents native font family object. - */ - public static final class Family { - private final List<Font> mFonts; - private final String mLocale; - - public Family(List<Font> fonts, String locale) { - mFonts = fonts; - mLocale = locale; - } - - public List<Font> getFonts() { - return mFonts; - } - - public String getLocale() { - return mLocale; - } - - @Override - public boolean equals(Object o) { - if (this == o) return true; - if (o == null || getClass() != o.getClass()) return false; - Family family = (Family) o; - return mFonts.equals(family.mFonts) && mLocale.equals(family.mLocale); - } - - @Override - public int hashCode() { - return Objects.hash(mFonts, mLocale); - } - } - - /** - * Get underlying font families from Typeface - * - * @param typeface a typeface - * @return list of family - */ - public static List<Family> readTypeface(Typeface typeface) { - int familyCount = nGetFamilyCount(typeface.native_instance); - List<Family> result = new ArrayList<>(familyCount); - for (int i = 0; i < familyCount; ++i) { - result.add(readNativeFamily(nGetFamily(typeface.native_instance, i))); - } - return result; - } - - /** - * Read family object from native pointer - * - * @param familyPtr a font family pointer - * @return a family - */ - public static Family readNativeFamily(long familyPtr) { - int fontCount = nGetFontCount(familyPtr); - List<Font> result = new ArrayList<>(fontCount); - for (int i = 0; i < fontCount; ++i) { - result.add(readNativeFont(nGetFont(familyPtr, i))); - } - String localeList = nGetLocaleList(familyPtr); - return new Family(result, localeList); - } - - /** - * Read font object from native pointer. - * - * @param ptr a font pointer - * @return a font - */ - public static Font readNativeFont(long ptr) { - long packed = nGetFontInfo(ptr); - int weight = (int) (packed & 0x0000_0000_0000_FFFFL); - boolean italic = (packed & 0x0000_0000_0001_0000L) != 0; - int ttcIndex = (int) ((packed & 0x0000_FFFF_0000_0000L) >> 32); - int axisCount = (int) ((packed & 0xFFFF_0000_0000_0000L) >> 48); - FontVariationAxis[] axes = new FontVariationAxis[axisCount]; - char[] charBuffer = new char[4]; - for (int i = 0; i < axisCount; ++i) { - long packedAxis = nGetAxisInfo(ptr, i); - float value = Float.intBitsToFloat((int) (packedAxis & 0x0000_0000_FFFF_FFFFL)); - charBuffer[0] = (char) ((packedAxis & 0xFF00_0000_0000_0000L) >> 56); - charBuffer[1] = (char) ((packedAxis & 0x00FF_0000_0000_0000L) >> 48); - charBuffer[2] = (char) ((packedAxis & 0x0000_FF00_0000_0000L) >> 40); - charBuffer[3] = (char) ((packedAxis & 0x0000_00FF_0000_0000L) >> 32); - axes[i] = new FontVariationAxis(new String(charBuffer), value); - } - String path = nGetFontPath(ptr); - File file = (path == null) ? null : new File(path); - FontStyle style = new FontStyle(weight, - italic ? FontStyle.FONT_SLANT_ITALIC : FontStyle.FONT_SLANT_UPRIGHT); - - return new Font(file, ttcIndex, axes, style); - } - - @CriticalNative - private static native int nGetFamilyCount(long ptr); - - @CriticalNative - private static native long nGetFamily(long ptr, int index); - - @FastNative - private static native String nGetLocaleList(long familyPtr); - - @CriticalNative - private static native long nGetFont(long familyPtr, int fontIndex); - - @CriticalNative - private static native int nGetFontCount(long familyPtr); - - @CriticalNative - private static native long nGetFontInfo(long fontPtr); - - @CriticalNative - private static native long nGetAxisInfo(long fontPtr, int i); - - @FastNative - private static native String nGetFontPath(long fontPtr); -} |