Add missing delegates for M preview.
- Remove ICU dependency (use the version bundled with platform).
- Restructure intelliJ project to move dependencies to module.
- Minor fixes to layoutlib tests.
TODO:
- Load ICU data.
- Hyphenator doesn't work.
- High quality line breaker not present.
Change-Id: I965e096e17bfc97ee995a649c3f4f6f64bb4f70d
diff --git a/bridge/src/android/graphics/Paint_Delegate.java b/bridge/src/android/graphics/Paint_Delegate.java
index 0c8c0d6..a2e9a85 100644
--- a/bridge/src/android/graphics/Paint_Delegate.java
+++ b/bridge/src/android/graphics/Paint_Delegate.java
@@ -16,6 +16,8 @@
package android.graphics;
+import com.android.annotations.NonNull;
+import com.android.annotations.Nullable;
import com.android.ide.common.rendering.api.LayoutLog;
import com.android.layoutlib.bridge.Bridge;
import com.android.layoutlib.bridge.impl.DelegateManager;
@@ -83,6 +85,8 @@
private float mTextScaleX;
private float mTextSkewX;
private int mHintingMode = Paint.HINTING_ON;
+ private int mHyphenEdit;
+ private float mLetterSpacing; // not used in actual text rendering.
// Variant of the font. A paint's variant can only be compact or elegant.
private FontVariant mFontVariant = FontVariant.COMPACT;
@@ -100,6 +104,7 @@
// ---- Public Helper methods ----
+ @Nullable
public static Paint_Delegate getDelegate(long native_paint) {
return sManager.getDelegate(native_paint);
}
@@ -1088,18 +1093,107 @@
@LayoutlibDelegate
/*package*/ static float native_getLetterSpacing(long nativePaint) {
- // TODO: throw a fidelity warning.
- return 0;
+ Paint_Delegate delegate = sManager.getDelegate(nativePaint);
+ if (delegate == null) {
+ return 0;
+ }
+ return delegate.mLetterSpacing;
}
@LayoutlibDelegate
/*package*/ static void native_setLetterSpacing(long nativePaint, float letterSpacing) {
- // pass.
+ Bridge.getLog().fidelityWarning("textRendering", "Paint.setLetterSpacing() not supported.",
+ null, null);
+ Paint_Delegate delegate = sManager.getDelegate(nativePaint);
+ if (delegate == null) {
+ return;
+ }
+ delegate.mLetterSpacing = letterSpacing;
}
@LayoutlibDelegate
/*package*/ static void native_setFontFeatureSettings(long nativePaint, String settings) {
- // pass.
+ Bridge.getLog().fidelityWarning("textRendering",
+ "Paint.setFontFeatureSettings() not supported.", null, null);
+ }
+
+ @LayoutlibDelegate
+ /*package*/ static int native_getHyphenEdit(long nativePaint) {
+ Paint_Delegate delegate = sManager.getDelegate(nativePaint);
+ if (delegate == null) {
+ return 0;
+ }
+ return delegate.mHyphenEdit;
+ }
+
+ @LayoutlibDelegate
+ /*package*/ static void native_setHyphenEdit(long nativePaint, int hyphen) {
+ Paint_Delegate delegate = sManager.getDelegate(nativePaint);
+ if (delegate == null) {
+ return;
+ }
+ delegate.mHyphenEdit = hyphen;
+ }
+
+ @LayoutlibDelegate
+ /*package*/ static boolean native_hasGlyph(long nativePaint, long nativeTypeface, int bidiFlags,
+ String string) {
+ Paint_Delegate delegate = sManager.getDelegate(nativePaint);
+ if (delegate == null) {
+ return false;
+ }
+ if (string.length() == 0) {
+ return false;
+ }
+ if (string.length() > 1) {
+ Bridge.getLog().fidelityWarning("textRendering",
+ "Paint.hasGlyph() is not supported for ligatures.", null, null);
+ return false;
+ }
+ assert nativeTypeface == delegate.mNativeTypeface;
+ Typeface_Delegate typeface_delegate = Typeface_Delegate.getDelegate(nativeTypeface);
+
+ char c = string.charAt(0);
+ for (Font font : typeface_delegate.getFonts(delegate.mFontVariant)) {
+ if (font.canDisplay(c)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+
+ @LayoutlibDelegate
+ /*package*/ static float native_getRunAdvance(long nativePaint, long nativeTypeface,
+ @NonNull char[] text, int start, int end, int contextStart, int contextEnd,
+ boolean isRtl, int offset) {
+ int count = end - start;
+ float[] advances = new float[count];
+ native_getTextRunAdvances(nativePaint, nativeTypeface, text, start, count,
+ contextStart, contextEnd - contextStart, isRtl, advances, 0);
+ float sum = 0;
+ for (int i = 0; i < offset; i++) {
+ sum += advances[i];
+ }
+ return sum;
+ }
+
+ @LayoutlibDelegate
+ /*package*/ static int native_getOffsetForAdvance(long nativePaint, long nativeTypeface,
+ char[] text, int start, int end, int contextStart, int contextEnd, boolean isRtl,
+ float advance) {
+ int count = end - start;
+ float[] advances = new float[count];
+ native_getTextRunAdvances(nativePaint, nativeTypeface, text, start, count,
+ contextStart, contextEnd - contextStart, isRtl, advances, 0);
+ float sum = 0;
+ int i;
+ for (i = 0; i < count && sum < advance; i++) {
+ sum += advances[i];
+ }
+ float distanceToI = sum - advance;
+ float distanceToIMinus1 = advance - (sum - advances[i]);
+ return distanceToI > distanceToIMinus1 ? i : i - 1;
}
// ---- Private delegate/helper methods ----