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Merge "Introduce set/getFontVariationSettings."

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This commit is contained in:
TreeHugger Robot
2017-01-31 05:46:23 +00:00
committed by Android (Google) Code Review
parent e9b8348027 9ff994d988
commit cf45c85297
16 changed files with 304 additions and 86 deletions
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4
api/current.txt
View File

@@ -12740,6 +12740,7 @@ package android.graphics {
method public int getFontMetricsInt(android.graphics.Paint.FontMetricsInt);
method public android.graphics.Paint.FontMetricsInt getFontMetricsInt();
method public float getFontSpacing();
method public java.lang.String getFontVariationSettings();
method public int getHinting();
method public float getLetterSpacing();
method public android.graphics.MaskFilter getMaskFilter();
@@ -12797,6 +12798,7 @@ package android.graphics {
method public void setFilterBitmap(boolean);
method public void setFlags(int);
method public void setFontFeatureSettings(java.lang.String);
method public void setFontVariationSettings(java.lang.String);
method public void setHinting(int);
method public void setLetterSpacing(float);
method public void setLinearText(boolean);
@@ -50036,6 +50038,7 @@ package android.widget {
method public int getExtendedPaddingTop();
method public android.text.InputFilter[] getFilters();
method public java.lang.String getFontFeatureSettings();
method public java.lang.String getFontVariationSettings();
method public boolean getFreezesText();
method public int getGravity();
method public int getHighlightColor();
@@ -50145,6 +50148,7 @@ package android.widget {
method public void setExtractedText(android.view.inputmethod.ExtractedText);
method public void setFilters(android.text.InputFilter[]);
method public void setFontFeatureSettings(java.lang.String);
method public void setFontVariationSettings(java.lang.String);
method protected boolean setFrame(int, int, int, int);
method public void setFreezesText(boolean);
method public void setGravity(int);

4
api/system-current.txt
View File

@@ -13303,6 +13303,7 @@ package android.graphics {
method public int getFontMetricsInt(android.graphics.Paint.FontMetricsInt);
method public android.graphics.Paint.FontMetricsInt getFontMetricsInt();
method public float getFontSpacing();
method public java.lang.String getFontVariationSettings();
method public int getHinting();
method public float getLetterSpacing();
method public android.graphics.MaskFilter getMaskFilter();
@@ -13360,6 +13361,7 @@ package android.graphics {
method public void setFilterBitmap(boolean);
method public void setFlags(int);
method public void setFontFeatureSettings(java.lang.String);
method public void setFontVariationSettings(java.lang.String);
method public void setHinting(int);
method public void setLetterSpacing(float);
method public void setLinearText(boolean);
@@ -53803,6 +53805,7 @@ package android.widget {
method public int getExtendedPaddingTop();
method public android.text.InputFilter[] getFilters();
method public java.lang.String getFontFeatureSettings();
method public java.lang.String getFontVariationSettings();
method public boolean getFreezesText();
method public int getGravity();
method public int getHighlightColor();
@@ -53912,6 +53915,7 @@ package android.widget {
method public void setExtractedText(android.view.inputmethod.ExtractedText);
method public void setFilters(android.text.InputFilter[]);
method public void setFontFeatureSettings(java.lang.String);
method public void setFontVariationSettings(java.lang.String);
method protected boolean setFrame(int, int, int, int);
method public void setFreezesText(boolean);
method public void setGravity(int);

4
api/test-current.txt
View File

@@ -12774,6 +12774,7 @@ package android.graphics {
method public int getFontMetricsInt(android.graphics.Paint.FontMetricsInt);
method public android.graphics.Paint.FontMetricsInt getFontMetricsInt();
method public float getFontSpacing();
method public java.lang.String getFontVariationSettings();
method public int getHinting();
method public float getLetterSpacing();
method public android.graphics.MaskFilter getMaskFilter();
@@ -12831,6 +12832,7 @@ package android.graphics {
method public void setFilterBitmap(boolean);
method public void setFlags(int);
method public void setFontFeatureSettings(java.lang.String);
method public void setFontVariationSettings(java.lang.String);
method public void setHinting(int);
method public void setLetterSpacing(float);
method public void setLinearText(boolean);
@@ -50356,6 +50358,7 @@ package android.widget {
method public int getExtendedPaddingTop();
method public android.text.InputFilter[] getFilters();
method public java.lang.String getFontFeatureSettings();
method public java.lang.String getFontVariationSettings();
method public boolean getFreezesText();
method public int getGravity();
method public int getHighlightColor();
@@ -50465,6 +50468,7 @@ package android.widget {
method public void setExtractedText(android.view.inputmethod.ExtractedText);
method public void setFilters(android.text.InputFilter[]);
method public void setFontFeatureSettings(java.lang.String);
method public void setFontVariationSettings(java.lang.String);
method protected boolean setFrame(int, int, int, int);
method public void setFreezesText(boolean);
method public void setGravity(int);

49
core/java/android/widget/TextView.java
View File

@@ -3457,6 +3457,20 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
return mTextPaint.getFontFeatureSettings();
}
/**
* Returns the font variation settings.
*
* @return the currently set font variation settings. Returns null if no variation is
* specified.
*
* @see #setFontVariationSettings(String)
* @see Paint#setFontVariationSettings(String) Paint.setFontVariationSettings(String)
*/
@Nullable
public String getFontVariationSettings() {
return mTextPaint.getFontVariationSettings();
}
/**
* Sets the break strategy for breaking paragraphs into lines. The default value for
* TextView is {@link Layout#BREAK_STRATEGY_HIGH_QUALITY}, and the default value for
@@ -3563,6 +3577,41 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
}
/**
* Sets TrueType or OpenType font variation settings. The settings string is constructed from
* multiple pairs of axis tag and style values. The axis tag must contain four ASCII characters
* and must be wrapped with single quotes (U+0027) or double quotes (U+0022). Axis strings that
* are longer or shorter than four characters, or contain characters outside of U+0020..U+007E
* are invalid. If a specified axis name is not defined in the font, the settings will be
* ignored.
*
* <pre>
* textView.setFontVariationSettings("'wdth' 1.0");
* textView.setFontVariationSettings("'AX ' 1.8, 'FB ' 2.0");
* </pre>
*
* @param fontVariationSettings font variation settings. You can pass null or empty string as
* no variation settings.
*
* @see #getFontVariationSettings()
* @see Paint#getFontVariationSettings() Paint.getFontVariationSettings()
*/
public void setFontVariationSettings(@Nullable String fontVariationSettings) {
final String existingSettings = mTextPaint.getFontVariationSettings();
if (fontVariationSettings == existingSettings
|| (fontVariationSettings != null
&& fontVariationSettings.equals(existingSettings))) {
return;
}
mTextPaint.setFontVariationSettings(fontVariationSettings);
if (mLayout != null) {
nullLayouts();
requestLayout();
invalidate();
}
}
/**
* Sets the text color for all the states (normal, selected,
* focused) to be this color.

1
core/jni/Android.mk
View File

@@ -118,6 +118,7 @@ LOCAL_SRC_FILES:= \
android/graphics/ColorFilter.cpp \
android/graphics/DrawFilter.cpp \
android/graphics/FontFamily.cpp \
android/graphics/FontUtils.cpp \
android/graphics/CreateJavaOutputStreamAdaptor.cpp \
android/graphics/GIFMovie.cpp \
android/graphics/GraphicBuffer.cpp \

30
core/jni/android/graphics/FontFamily.cpp
View File

@@ -30,6 +30,7 @@
#include <android_runtime/android_util_AssetManager.h>
#include <androidfw/AssetManager.h>
#include "Utils.h"
#include "FontUtils.h"
#include <hwui/MinikinSkia.h>
#include <hwui/Typeface.h>
@@ -149,16 +150,6 @@ static jboolean FontFamily_addFont(JNIEnv* env, jobject clazz, jlong builderPtr,
return true;
}
static struct {
jmethodID mGet;
jmethodID mSize;
} gListClassInfo;
static struct {
jfieldID mTag;
jfieldID mStyleValue;
} gAxisClassInfo;
static jboolean FontFamily_addFontWeightStyle(JNIEnv* env, jobject clazz, jlong builderPtr,
jobject font, jint ttcIndex, jobject listOfAxis, jint weight, jboolean isItalic) {
NPE_CHECK_RETURN_ZERO(env, font);
@@ -167,20 +158,22 @@ static jboolean FontFamily_addFontWeightStyle(JNIEnv* env, jobject clazz, jlong
std::unique_ptr<SkFontMgr::FontParameters::Axis[]> skiaAxes;
int skiaAxesLength = 0;
if (listOfAxis) {
jint listSize = env->CallIntMethod(listOfAxis, gListClassInfo.mSize);
ListHelper list(env, listOfAxis);
jint listSize = list.size();
skiaAxes.reset(new SkFontMgr::FontParameters::Axis[listSize]);
skiaAxesLength = listSize;
for (jint i = 0; i < listSize; ++i) {
jobject axisObject = env->CallObjectMethod(listOfAxis, gListClassInfo.mGet, i);
jobject axisObject = list.get(i);
if (!axisObject) {
skiaAxes[i].fTag = 0;
skiaAxes[i].fStyleValue = 0;
continue;
}
AxisHelper axis(env, axisObject);
jint tag = env->GetIntField(axisObject, gAxisClassInfo.mTag);
jfloat stylevalue = env->GetFloatField(axisObject, gAxisClassInfo.mStyleValue);
jint tag = axis.getTag();
jfloat stylevalue = axis.getStyleValue();
skiaAxes[i].fTag = tag;
skiaAxes[i].fStyleValue = SkFloatToScalar(stylevalue);
}
@@ -291,14 +284,7 @@ int register_android_graphics_FontFamily(JNIEnv* env)
int err = RegisterMethodsOrDie(env, "android/graphics/FontFamily", gFontFamilyMethods,
NELEM(gFontFamilyMethods));
jclass listClass = FindClassOrDie(env, "java/util/List");
gListClassInfo.mGet = GetMethodIDOrDie(env, listClass, "get", "(I)Ljava/lang/Object;");
gListClassInfo.mSize = GetMethodIDOrDie(env, listClass, "size", "()I");
jclass axisClass = FindClassOrDie(env, "android/text/FontConfig$Axis");
gAxisClassInfo.mTag = GetFieldIDOrDie(env, axisClass, "mTag", "I");
gAxisClassInfo.mStyleValue = GetFieldIDOrDie(env, axisClass, "mStyleValue", "F");
init_FontUtils(env);
return err;
}

54
core/jni/android/graphics/FontUtils.h Normal file
View File

@@ -0,0 +1,54 @@
/*
* Copyright (C) 2017 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.
*/
#ifndef _ANDROID_GRAPHICS_FONT_UTILS_H_
#define _ANDROID_GRAPHICS_FONT_UTILS_H_
#include <jni.h>
namespace android {
// Utility wrapper for java.util.List
class ListHelper {
public:
ListHelper(JNIEnv* env, jobject list) : mEnv(env), mList(list) {}
jint size() const;
jobject get(jint index) const;
private:
JNIEnv* mEnv;
jobject mList;
};
// Utility wrapper for android.graphics.FontConfig$Axis
class AxisHelper {
public:
AxisHelper(JNIEnv* env, jobject axis) : mEnv(env), mAxis(axis) {}
jint getTag() const;
jfloat getStyleValue() const;
private:
JNIEnv* mEnv;
jobject mAxis;
};
void init_FontUtils(JNIEnv* env);
}; // namespace android
#endif // _ANDROID_GRAPHICS_FONT_UTILS_H_

21
core/jni/android/graphics/Typeface.cpp
View File

@@ -17,12 +17,14 @@
#include "jni.h"
#include "core_jni_helpers.h"
#include "FontUtils.h"
#include "GraphicsJNI.h"
#include "ScopedPrimitiveArray.h"
#include "SkTypeface.h"
#include <android_runtime/android_util_AssetManager.h>
#include <androidfw/AssetManager.h>
#include <hwui/Typeface.h>
#include <minikin/FontFamily.h>
using namespace android;
@@ -40,6 +42,23 @@ static jlong Typeface_createFromTypeface(JNIEnv* env, jobject, jlong familyHandl
return reinterpret_cast<jlong>(face);
}
static jlong Typeface_createFromTypefaceWithVariation(JNIEnv* env, jobject, jlong familyHandle,
jobject listOfAxis) {
std::vector<minikin::FontVariation> variations;
ListHelper list(env, listOfAxis);
for (jint i = 0; i < list.size(); i++) {
jobject axisObject = list.get(i);
if (axisObject == nullptr) {
continue;
}
AxisHelper axis(env, axisObject);
variations.push_back(minikin::FontVariation(axis.getTag(), axis.getStyleValue()));
}
Typeface* baseTypeface = reinterpret_cast<Typeface*>(familyHandle);
Typeface* result = Typeface::createFromTypefaceWithVariation(baseTypeface, variations);
return reinterpret_cast<jlong>(result);
}
static jlong Typeface_createWeightAlias(JNIEnv* env, jobject, jlong familyHandle, jint weight) {
Typeface* family = reinterpret_cast<Typeface*>(familyHandle);
Typeface* face = Typeface::createWeightAlias(family, weight);
@@ -77,6 +96,8 @@ static void Typeface_setDefault(JNIEnv *env, jobject, jlong faceHandle) {
static const JNINativeMethod gTypefaceMethods[] = {
{ "nativeCreateFromTypeface", "(JI)J", (void*)Typeface_createFromTypeface },
{ "nativeCreateFromTypefaceWithVariation", "(JLjava/util/List;)J",
(void*)Typeface_createFromTypefaceWithVariation },
{ "nativeCreateWeightAlias", "(JI)J", (void*)Typeface_createWeightAlias },
{ "nativeUnref", "(J)V", (void*)Typeface_unref },
{ "nativeGetStyle", "(J)I", (void*)Typeface_getStyle },

10
graphics/java/android/graphics/FontListParser.java
View File

@@ -22,6 +22,7 @@ import android.util.Xml;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import android.annotation.Nullable;
import com.android.internal.annotations.VisibleForTesting;
import java.io.IOException;
@@ -52,9 +53,12 @@ public class FontListParser {
// Note that a well-formed variation contains a four-character tag and a float as styleValue,
// with spacers in between. The tag is enclosd either by double quotes or single quotes.
@VisibleForTesting
public static FontConfig.Axis[] parseFontVariationSettings(String settings) {
String[] settingList = settings.split(",");
public static ArrayList<FontConfig.Axis> parseFontVariationSettings(@Nullable String settings) {
ArrayList<FontConfig.Axis> axisList = new ArrayList<>();
if (settings == null) {
return axisList;
}
String[] settingList = settings.split(",");
settingLoop:
for (String setting : settingList) {
int pos = 0;
@@ -98,7 +102,7 @@ public class FontListParser {
tagString.charAt(3));
axisList.add(new FontConfig.Axis(tag, styleValue));
}
return axisList.toArray(new FontConfig.Axis[axisList.size()]);
return axisList;
}
@VisibleForTesting

32
graphics/java/android/graphics/Paint.java
View File

@@ -71,6 +71,7 @@ public class Paint {
private LocaleList mLocales;
private String mFontFeatureSettings;
private String mFontVariationSettings;
private static final Object sCacheLock = new Object();
@@ -1493,6 +1494,37 @@ public class Paint {
nSetFontFeatureSettings(mNativePaint, settings);
}
/**
* Returns the font variation settings.
*
* @return the paint's currently set font variation settings. Default is null.
*
* @see #setFontVariationSettings(String)
*/
public String getFontVariationSettings() {
return mFontVariationSettings;
}
/**
* Set font variation settings.
*
* @param settings font variation settings, e.g. "'wdth' 300, 'wght' 1.8"
*
* @see #getFontVariationSettings()
*
* @param settings the font variation settings. You can pass null or empty string as no
* variation settings.
*/
public void setFontVariationSettings(String settings) {
settings = TextUtils.nullIfEmpty(settings);
if (settings == mFontVariationSettings
|| (settings != null && settings.equals(mFontVariationSettings))) {
return;
}
mFontVariationSettings = settings;
setTypeface(Typeface.createFromTypefaceWithVariation(mTypeface, settings));
}
/**
* Get the current value of hyphen edit.
*

12
graphics/java/android/graphics/Typeface.java
View File

@@ -32,6 +32,7 @@ import android.util.Log;
import android.util.LongSparseArray;
import android.util.LruCache;
import android.util.SparseArray;
import android.graphics.FontListParser;
import com.android.internal.annotations.GuardedBy;
@@ -406,6 +407,15 @@ public class Typeface {
return typeface;
}
/** @hide */
public static Typeface createFromTypefaceWithVariation(Typeface family,
String fontVariationSettings) {
final long ni = family == null ? 0 : family.native_instance;
ArrayList<FontConfig.Axis> axes =
FontListParser.parseFontVariationSettings(fontVariationSettings);
return new Typeface(nativeCreateFromTypefaceWithVariation(ni, axes));
}
/**
* Returns one of the default typeface objects, based on the specified style
*
@@ -682,6 +692,8 @@ public class Typeface {
}
private static native long nativeCreateFromTypeface(long native_instance, int style);
private static native long nativeCreateFromTypefaceWithVariation(
long native_instance, List<FontConfig.Axis> axes);
private static native long nativeCreateWeightAlias(long native_instance, int weight);
private static native void nativeUnref(long native_instance);
private static native int nativeGetStyle(long native_instance);

115
graphics/tests/graphicstests/src/android/graphics/VariationParserTest.java
View File

@@ -18,9 +18,8 @@ package android.graphics;
import android.test.suitebuilder.annotation.SmallTest;
import android.text.FontConfig;
import junit.framework.TestCase;
import java.util.List;
import junit.framework.TestCase;
public class VariationParserTest extends TestCase {
@@ -28,92 +27,92 @@ public class VariationParserTest extends TestCase {
@SmallTest
public void testParseFontVariationSetting() {
int tag = FontListParser.makeTag('w', 'd', 't', 'h');
FontConfig.Axis[] axis = FontListParser.parseFontVariationSettings("'wdth' 1");
assertEquals(tag, axis[0].getTag());
assertEquals(1.0f, axis[0].getStyleValue());
List<FontConfig.Axis> axes = FontListParser.parseFontVariationSettings("'wdth' 1");
assertEquals(tag, axes.get(0).getTag());
assertEquals(1.0f, axes.get(0).getStyleValue());
axis = FontListParser.parseFontVariationSettings("\"wdth\" 100");
assertEquals(tag, axis[0].getTag());
assertEquals(100.0f, axis[0].getStyleValue());
axes = FontListParser.parseFontVariationSettings("\"wdth\" 100");
assertEquals(tag, axes.get(0).getTag());
assertEquals(100.0f, axes.get(0).getStyleValue());
axis = FontListParser.parseFontVariationSettings(" 'wdth' 100");
assertEquals(tag, axis[0].getTag());
assertEquals(100.0f, axis[0].getStyleValue());
axes = FontListParser.parseFontVariationSettings(" 'wdth' 100");
assertEquals(tag, axes.get(0).getTag());
assertEquals(100.0f, axes.get(0).getStyleValue());
axis = FontListParser.parseFontVariationSettings("\t'wdth' 0.5");
assertEquals(tag, axis[0].getTag());
assertEquals(0.5f, axis[0].getStyleValue());
axes = FontListParser.parseFontVariationSettings("\t'wdth' 0.5");
assertEquals(tag, axes.get(0).getTag());
assertEquals(0.5f, axes.get(0).getStyleValue());
tag = FontListParser.makeTag('A', 'X', ' ', ' ');
axis = FontListParser.parseFontVariationSettings("'AX ' 1");
assertEquals(tag, axis[0].getTag());
assertEquals(1.0f, axis[0].getStyleValue());
axes = FontListParser.parseFontVariationSettings("'AX ' 1");
assertEquals(tag, axes.get(0).getTag());
assertEquals(1.0f, axes.get(0).getStyleValue());
axis = FontListParser.parseFontVariationSettings("'AX '\t1");
assertEquals(tag, axis[0].getTag());
assertEquals(1.0f, axis[0].getStyleValue());
axes = FontListParser.parseFontVariationSettings("'AX '\t1");
assertEquals(tag, axes.get(0).getTag());
assertEquals(1.0f, axes.get(0).getStyleValue());
axis = FontListParser.parseFontVariationSettings("'AX '\n1");
assertEquals(tag, axis[0].getTag());
assertEquals(1.0f, axis[0].getStyleValue());
axes = FontListParser.parseFontVariationSettings("'AX '\n1");
assertEquals(tag, axes.get(0).getTag());
assertEquals(1.0f, axes.get(0).getStyleValue());
axis = FontListParser.parseFontVariationSettings("'AX '\r1");
assertEquals(tag, axis[0].getTag());
assertEquals(1.0f, axis[0].getStyleValue());
axes = FontListParser.parseFontVariationSettings("'AX '\r1");
assertEquals(tag, axes.get(0).getTag());
assertEquals(1.0f, axes.get(0).getStyleValue());
axis = FontListParser.parseFontVariationSettings("'AX '\r\t\n 1");
assertEquals(tag, axis[0].getTag());
assertEquals(1.0f, axis[0].getStyleValue());
axes = FontListParser.parseFontVariationSettings("'AX '\r\t\n 1");
assertEquals(tag, axes.get(0).getTag());
assertEquals(1.0f, axes.get(0).getStyleValue());
// Test for invalid input
axis = FontListParser.parseFontVariationSettings("");
assertEquals(0, axis.length);
axis = FontListParser.parseFontVariationSettings("invalid_form");
assertEquals(0, axis.length);
axes = FontListParser.parseFontVariationSettings("");
assertEquals(0, axes.size());
axes = FontListParser.parseFontVariationSettings("invalid_form");
assertEquals(0, axes.size());
// Test with invalid tag
axis = FontListParser.parseFontVariationSettings("'' 1");
assertEquals(0, axis.length);
axis = FontListParser.parseFontVariationSettings("'invalid' 1");
assertEquals(0, axis.length);
axes = FontListParser.parseFontVariationSettings("'' 1");
assertEquals(0, axes.size());
axes = FontListParser.parseFontVariationSettings("'invalid' 1");
assertEquals(0, axes.size());
// Test with invalid styleValue
axis = FontListParser.parseFontVariationSettings("'wdth' ");
assertEquals(0, axis.length);
axis = FontListParser.parseFontVariationSettings("'wdth' x");
assertEquals(0, axis.length);
axis = FontListParser.parseFontVariationSettings("'wdth' \t");
assertEquals(0, axis.length);
axis = FontListParser.parseFontVariationSettings("'wdth' \n\r");
assertEquals(0, axis.length);
axes = FontListParser.parseFontVariationSettings("'wdth' ");
assertEquals(0, axes.size());
axes = FontListParser.parseFontVariationSettings("'wdth' x");
assertEquals(0, axes.size());
axes = FontListParser.parseFontVariationSettings("'wdth' \t");
assertEquals(0, axes.size());
axes = FontListParser.parseFontVariationSettings("'wdth' \n\r");
assertEquals(0, axes.size());
}
@SmallTest
public void testParseFontVariationStyleSettings() {
FontConfig.Axis[] axis =
List<FontConfig.Axis> axes =
FontListParser.parseFontVariationSettings("'wdth' 10,'AX '\r1");
int tag1 = FontListParser.makeTag('w', 'd', 't', 'h');
int tag2 = FontListParser.makeTag('A', 'X', ' ', ' ');
assertEquals(tag1, axis[0].getTag());
assertEquals(10.0f, axis[0].getStyleValue());
assertEquals(tag2, axis[1].getTag());
assertEquals(1.0f, axis[1].getStyleValue());
assertEquals(tag1, axes.get(0).getTag());
assertEquals(10.0f, axes.get(0).getStyleValue());
assertEquals(tag2, axes.get(1).getTag());
assertEquals(1.0f, axes.get(1).getStyleValue());
// Test only spacers are allowed before tag
axis = FontListParser.parseFontVariationSettings(" 'wdth' 10,ab'wdth' 1");
axes = FontListParser.parseFontVariationSettings(" 'wdth' 10,ab'wdth' 1");
tag1 = FontListParser.makeTag('w', 'd', 't', 'h');
assertEquals(tag1, axis[0].getTag());
assertEquals(10.0f, axis[0].getStyleValue());
assertEquals(1, axis.length);
assertEquals(tag1, axes.get(0).getTag());
assertEquals(10.0f, axes.get(0).getStyleValue());
assertEquals(1, axes.size());
}
@SmallTest
public void testInvalidTagCharacters() {
FontConfig.Axis[] axis =
List<FontConfig.Axis> axes =
FontListParser.parseFontVariationSettings("'\u0000\u0000\u0000\u0000' 10");
assertEquals(0, axis.length);
axis = FontListParser.parseFontVariationSettings("'\u3042\u3044\u3046\u3048' 10");
assertEquals(0, axis.length);
assertEquals(0, axes.size());
axes = FontListParser.parseFontVariationSettings("'\u3042\u3044\u3046\u3048' 10");
assertEquals(0, axes.size());
}
@SmallTest

25
libs/hwui/hwui/MinikinSkia.cpp
View File

@@ -17,7 +17,8 @@
#include "MinikinSkia.h"
#include <log/log.h>
#include <SkFontDescriptor.h>
#include <SkFontMgr.h>
#include <SkPaint.h>
#include <SkTypeface.h>
@@ -86,6 +87,28 @@ int MinikinFontSkia::GetFontIndex() const {
return mTtcIndex;
}
minikin::MinikinFont* MinikinFontSkia::createFontWithVariation(
const std::vector<minikin::FontVariation>& variations) const {
SkFontMgr::FontParameters params;
int ttcIndex;
SkStreamAsset* stream = mTypeface->openStream(&ttcIndex);
LOG_ALWAYS_FATAL_IF(stream == nullptr, "openStream failed");
params.setCollectionIndex(ttcIndex);
std::vector<SkFontMgr::FontParameters::Axis> skAxes;
skAxes.resize(variations.size());
for (size_t i = 0; i < variations.size(); i++) {
skAxes[i].fTag = variations[i].axisTag;
skAxes[i].fStyleValue = SkFloatToScalar(variations[i].value);
}
params.setAxes(skAxes.data(), skAxes.size());
sk_sp<SkFontMgr> fm(SkFontMgr::RefDefault());
sk_sp<SkTypeface> face(fm->createFromStream(stream, params));
return new MinikinFontSkia(std::move(face), mFontData, mFontSize, ttcIndex);
}
uint32_t MinikinFontSkia::packPaintFlags(const SkPaint* paint) {
uint32_t flags = paint->getFlags();
SkPaint::Hinting hinting = paint->getHinting();

2
libs/hwui/hwui/MinikinSkia.h
View File

@@ -44,6 +44,8 @@ public:
const void* GetFontData() const;
size_t GetFontSize() const;
int GetFontIndex() const;
minikin::MinikinFont* createFontWithVariation(
const std::vector<minikin::FontVariation>&) const;
static uint32_t packPaintFlags(const SkPaint* paint);
static void unpackPaintFlags(SkPaint* paint, uint32_t paintFlags);

24
libs/hwui/hwui/Typeface.cpp
View File

@@ -62,7 +62,7 @@ Typeface* Typeface::resolveDefault(Typeface* src) {
Typeface* Typeface::createFromTypeface(Typeface* src, SkTypeface::Style style) {
Typeface* resolvedFace = Typeface::resolveDefault(src);
Typeface* result = new Typeface;
if (result != 0) {
if (result != nullptr) {
result->fFontCollection = resolvedFace->fFontCollection;
result->fFontCollection->Ref();
result->fSkiaStyle = style;
@@ -72,10 +72,30 @@ Typeface* Typeface::createFromTypeface(Typeface* src, SkTypeface::Style style) {
return result;
}
Typeface* Typeface::createFromTypefaceWithVariation(Typeface* src,
const std::vector<minikin::FontVariation>& variations) {
Typeface* resolvedFace = Typeface::resolveDefault(src);
Typeface* result = new Typeface();
if (result != nullptr) {
result->fFontCollection =
resolvedFace->fFontCollection->createCollectionWithVariation(variations);
if (result->fFontCollection == nullptr) {
// None of passed axes are supported by this collection.
// So we will reuse the same collection with incrementing reference count.
result->fFontCollection = resolvedFace->fFontCollection;
result->fFontCollection->Ref();
}
result->fSkiaStyle = resolvedFace->fSkiaStyle;
result->fBaseWeight = resolvedFace->fBaseWeight;
resolveStyle(result);
}
return result;
}
Typeface* Typeface::createWeightAlias(Typeface* src, int weight) {
Typeface* resolvedFace = Typeface::resolveDefault(src);
Typeface* result = new Typeface;
if (result != 0) {
if (result != nullptr) {
result->fFontCollection = resolvedFace->fFontCollection;
result->fFontCollection->Ref();
result->fSkiaStyle = resolvedFace->fSkiaStyle;

3
libs/hwui/hwui/Typeface.h
View File

@@ -43,6 +43,9 @@ struct ANDROID_API Typeface {
static Typeface* createFromTypeface(Typeface* src, SkTypeface::Style style);
static Typeface* createFromTypefaceWithVariation(Typeface* src,
const std::vector<minikin::FontVariation>& variations);
static Typeface* createWeightAlias(Typeface* src, int baseweight);
static Typeface* createFromFamilies(const std::vector<minikin::FontFamily*>& families);