93 lines
3.3 KiB
Java
93 lines
3.3 KiB
Java
package androidx.core.graphics;
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import android.graphics.BlendMode;
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import android.graphics.Paint;
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import android.graphics.PorterDuff;
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import android.graphics.PorterDuffXfermode;
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import android.graphics.Rect;
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import android.os.Build;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.core.util.Pair;
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public final class PaintCompat {
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private static final String EM_STRING = "m";
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private static final String TOFU_STRING = "";
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private static final ThreadLocal<Pair<Rect, Rect>> sRectThreadLocal = new ThreadLocal<>();
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private PaintCompat() {
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}
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public static boolean hasGlyph(@NonNull Paint paint, @NonNull String str) {
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if (Build.VERSION.SDK_INT >= 23) {
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return paint.hasGlyph(str);
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}
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int length = str.length();
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if (length == 1 && Character.isWhitespace(str.charAt(0))) {
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return true;
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}
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float measureText = paint.measureText("");
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float measureText2 = paint.measureText("m");
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float measureText3 = paint.measureText(str);
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float f = 0.0f;
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if (measureText3 == 0.0f) {
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return false;
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}
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if (str.codePointCount(0, str.length()) > 1) {
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if (measureText3 > measureText2 * 2.0f) {
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return false;
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}
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int i = 0;
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while (i < length) {
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int charCount = Character.charCount(str.codePointAt(i)) + i;
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f += paint.measureText(str, i, charCount);
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i = charCount;
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}
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if (measureText3 >= f) {
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return false;
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}
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}
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if (measureText3 != measureText) {
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return true;
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}
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Pair<Rect, Rect> obtainEmptyRects = obtainEmptyRects();
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paint.getTextBounds("", 0, 2, obtainEmptyRects.first);
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paint.getTextBounds(str, 0, length, obtainEmptyRects.second);
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return !obtainEmptyRects.first.equals(obtainEmptyRects.second);
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}
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private static Pair<Rect, Rect> obtainEmptyRects() {
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ThreadLocal<Pair<Rect, Rect>> threadLocal = sRectThreadLocal;
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Pair<Rect, Rect> pair = threadLocal.get();
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if (pair == null) {
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Pair<Rect, Rect> pair2 = new Pair<>(new Rect(), new Rect());
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threadLocal.set(pair2);
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return pair2;
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}
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pair.first.setEmpty();
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pair.second.setEmpty();
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return pair;
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}
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public static boolean setBlendMode(@NonNull Paint paint, @Nullable BlendModeCompat blendModeCompat) {
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PorterDuffXfermode porterDuffXfermode = null;
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BlendMode blendMode = null;
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if (Build.VERSION.SDK_INT >= 29) {
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if (blendModeCompat != null) {
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blendMode = BlendModeUtils.obtainBlendModeFromCompat(blendModeCompat);
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}
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paint.setBlendMode(blendMode);
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return true;
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} else if (blendModeCompat != null) {
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PorterDuff.Mode obtainPorterDuffFromCompat = BlendModeUtils.obtainPorterDuffFromCompat(blendModeCompat);
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if (obtainPorterDuffFromCompat != null) {
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porterDuffXfermode = new PorterDuffXfermode(obtainPorterDuffFromCompat);
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}
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paint.setXfermode(porterDuffXfermode);
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return obtainPorterDuffFromCompat != null;
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} else {
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paint.setXfermode(null);
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return true;
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}
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}
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}
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