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[Android] Fix font weight numeric values #29117

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[Android] Fix font weight numeric values #29117

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9492b46
testing font weight in example
fabOnReact Jun 11, 2020
e289777
use font weight numeric value
fabOnReact Jun 11, 2020
c04a035
fix linting
fabOnReact Jun 11, 2020
024b587
removing logger liner
fabOnReact Jun 11, 2020
6997e14
removing unused var
fabOnReact Jun 11, 2020
1d505e3
fixing custom fonts italic/bold
fabOnReact Jun 12, 2020
2993c26
remove log dependency
fabOnReact Jun 12, 2020
b06cd13
set bold to 700
fabOnReact Jun 12, 2020
5b792ff
refactoring logic with oldStyle and newStyle
fabOnReact Jun 12, 2020
3c24b95
default weight Typeface.NORMAL
fabOnReact Jun 12, 2020
e03864e
updating RNTester text iOS example
fabOnReact Jul 3, 2020
89f4477
Merge branch 'master' into fix-font-weight
fabOnReact Jul 22, 2020
b016126
Thanks @stackia - avoid runtime error on API < 28
fabOnReact Aug 1, 2020
314dbe8
Merge branch 'fix-font-weight' of github.com:fabriziobertoglio1987/re…
fabOnReact Aug 1, 2020
7dbeee5
API < 28 - convert numeric font values to Typeface
fabOnReact Aug 2, 2020
4cd0ea2
Merge branch 'master' into fix-font-weight
fabOnReact Aug 20, 2020
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57 changes: 36 additions & 21 deletions ReactAndroid/src/main/java/com/facebook/react/views/text/ReactTypefaceUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -8,23 +8,26 @@
package com.facebook.react.views.text;

import android.content.res.AssetManager;
import android.os.Build;
import android.graphics.Typeface;
import android.text.TextUtils;
import androidx.annotation.Nullable;
import com.facebook.react.bridge.ReadableArray;
import com.facebook.common.logging.FLog;
import java.util.ArrayList;
import java.util.List;

public class ReactTypefaceUtils {
private static final String TAG = "ReactTypefaceUtils";
public static final int UNSET = -1;

public static int parseFontWeight(@Nullable String fontWeightString) {
int fontWeightNumeric =
fontWeightString != null ? parseNumericFontWeight(fontWeightString) : UNSET;
int fontWeight = fontWeightNumeric != UNSET ? fontWeightNumeric : Typeface.NORMAL;

if (fontWeight == 700 || "bold".equals(fontWeightString)) fontWeight = Typeface.BOLD;
else if (fontWeight == 400 || "normal".equals(fontWeightString)) fontWeight = Typeface.NORMAL;
if ("bold".equals(fontWeightString)) fontWeight = Typeface.BOLD;
else if ("normal".equals(fontWeightString)) fontWeight = Typeface.NORMAL;

return fontWeight;
}
Expand Down Expand Up @@ -81,34 +84,46 @@ public static Typeface applyStyles(
AssetManager assetManager) {
int oldStyle;
if (typeface == null) {
oldStyle = 0;
oldStyle = Typeface.NORMAL;
} else {
oldStyle = typeface.getStyle();
}

int want = 0;
if ((weight == Typeface.BOLD)
|| ((oldStyle & Typeface.BOLD) != 0 && weight == ReactTextShadowNode.UNSET)) {
want |= Typeface.BOLD;
int newStyle = oldStyle;
boolean italic = false;
if(weight == UNSET) weight = Typeface.NORMAL;
if(style == Typeface.ITALIC) italic = true;
boolean UNDER_SDK_28 = Build.VERSION.SDK_INT < Build.VERSION_CODES.P;
boolean applyNumericValues = !(weight < (Typeface.BOLD_ITALIC + 1) || family != null);
boolean numericBold = UNDER_SDK_28 && weight > 699 && applyNumericValues;
boolean numericNormal = UNDER_SDK_28 && weight < 700 && applyNumericValues;
if (weight == Typeface.BOLD) {
newStyle = (newStyle == Typeface.ITALIC) ? Typeface.BOLD_ITALIC : Typeface.BOLD;
typeface = Typeface.create(typeface, newStyle);
}
if (weight == Typeface.NORMAL) {
typeface = Typeface.create(typeface, Typeface.NORMAL);
newStyle = Typeface.NORMAL;
}

if ((style == Typeface.ITALIC)
|| ((oldStyle & Typeface.ITALIC) != 0 && style == ReactTextShadowNode.UNSET)) {
want |= Typeface.ITALIC;
if (style == Typeface.ITALIC) {
newStyle = (newStyle == Typeface.BOLD) ? Typeface.BOLD_ITALIC : Typeface.ITALIC;
typeface = Typeface.create(typeface, newStyle);
}
if(Build.VERSION.SDK_INT > Build.VERSION_CODES.O_MR1 && weight > Typeface.BOLD_ITALIC) {
typeface = Typeface.create(typeface, weight, italic);
}
if(family != null && UNDER_SDK_28 && weight > Typeface.BOLD_ITALIC) {
FLog.w(TAG, "Support for numeric font weight numeric values with custom fonts under Android API 28 Pie is not yet supported in ReactNative.");
}

if (family != null) {
typeface = ReactFontManager.getInstance().getTypeface(family, want, weight, assetManager);
} else if (typeface != null) {
// TODO(t9055065): Fix custom fonts getting applied to text children with different style
typeface = Typeface.create(typeface, want);
typeface = ReactFontManager.getInstance().getTypeface(family, newStyle, weight, assetManager);
}

if (typeface != null) {
return typeface;
} else {
return Typeface.defaultFromStyle(want);
if (numericBold || numericNormal) {
newStyle = numericBold ? Typeface.BOLD : Typeface.NORMAL;
typeface = Typeface.create(typeface, newStyle);
FLog.w(TAG, "Support for numeric font weight numeric values available only from Android API 28 Pie. Android device lower then API 28 will use normal or bold.");
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}
return typeface;
}

/**
Expand Down
9 changes: 9 additions & 0 deletions packages/rn-tester/js/examples/Text/TextExample.android.js
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Expand Up @@ -383,6 +383,15 @@ class TextExample extends React.Component<{...}> {
<RNTesterBlock title="Font Weight">
<Text style={{fontWeight: 'bold'}}>Move fast and be bold</Text>
<Text style={{fontWeight: 'normal'}}>Move fast and be normal</Text>
<Text style={{fontWeight: '900'}}>FONT WEIGHT 900</Text>
<Text style={{fontWeight: '800'}}>FONT WEIGHT 800</Text>
<Text style={{fontWeight: '700'}}>FONT WEIGHT 700</Text>
<Text style={{fontWeight: '600'}}>FONT WEIGHT 600</Text>
<Text style={{fontWeight: '500'}}>FONT WEIGHT 500</Text>
<Text style={{fontWeight: '400'}}>FONT WEIGHT 400</Text>
<Text style={{fontWeight: '300'}}>FONT WEIGHT 300</Text>
<Text style={{fontWeight: '200'}}>FONT WEIGHT 200</Text>
<Text style={{fontWeight: '100'}}>FONT WEIGHT 100</Text>
</RNTesterBlock>
<RNTesterBlock title="Font Style">
<Text style={{fontStyle: 'italic'}}>Move fast and be italic</Text>
Expand Down
26 changes: 11 additions & 15 deletions packages/rn-tester/js/examples/Text/TextExample.ios.js
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Original file line number Diff line number Diff line change
Expand Up @@ -601,21 +601,17 @@ exports.examples = [
render: function(): React.Node {
return (
<View>
<Text style={{fontSize: 20, fontWeight: '100'}}>
Move fast and be ultralight
</Text>
<Text style={{fontSize: 20, fontWeight: '200'}}>
Move fast and be light
</Text>
<Text style={{fontSize: 20, fontWeight: 'normal'}}>
Move fast and be normal
</Text>
<Text style={{fontSize: 20, fontWeight: 'bold'}}>
Move fast and be bold
</Text>
<Text style={{fontSize: 20, fontWeight: '900'}}>
Move fast and be ultrabold
</Text>
<Text style={{fontWeight: 'bold'}}>Move fast and be bold</Text>
<Text style={{fontWeight: 'normal'}}>Move fast and be normal</Text>
<Text style={{fontWeight: '900'}}>FONT WEIGHT 900</Text>
<Text style={{fontWeight: '800'}}>FONT WEIGHT 800</Text>
<Text style={{fontWeight: '700'}}>FONT WEIGHT 700</Text>
<Text style={{fontWeight: '600'}}>FONT WEIGHT 600</Text>
<Text style={{fontWeight: '500'}}>FONT WEIGHT 500</Text>
<Text style={{fontWeight: '400'}}>FONT WEIGHT 400</Text>
<Text style={{fontWeight: '300'}}>FONT WEIGHT 300</Text>
<Text style={{fontWeight: '200'}}>FONT WEIGHT 200</Text>
<Text style={{fontWeight: '100'}}>FONT WEIGHT 100</Text>
</View>
);
},
Expand Down