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-rw-r--r--tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java89
1 files changed, 8 insertions, 81 deletions
diff --git a/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
index 4171bb5..da18864 100644
--- a/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
@@ -23,7 +23,6 @@ import com.android.layoutlib.bridge.impl.GcSnapshot;
import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
import android.graphics.Bitmap.Config;
-import android.graphics.Paint_Delegate.FontInfo;
import android.text.TextUtils;
import java.awt.Color;
@@ -35,7 +34,6 @@ import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.geom.Arc2D;
import java.awt.image.BufferedImage;
-import java.util.List;
/**
@@ -978,7 +976,8 @@ public final class Canvas_Delegate {
@LayoutlibDelegate
/*package*/ static void native_drawText(int nativeCanvas,
final char[] text, final int index, final int count,
- final float startX, final float startY, int flags, int paint) {
+ final float startX, final float startY, final int flags, int paint) {
+
draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
new GcSnapshot.Drawable() {
@Override
@@ -988,10 +987,10 @@ public final class Canvas_Delegate {
// Paint.TextAlign indicates how the text is positioned relative to X.
// LEFT is the default and there's nothing to do.
float x = startX;
- float y = startY;
+ int limit = index + count;
+ boolean isRtl = flags == Canvas.DIRECTION_RTL;
if (paintDelegate.getTextAlign() != Paint.Align.LEFT.nativeInt) {
- // TODO: check the value of bidiFlags.
- float m = paintDelegate.measureText(text, index, count, 0);
+ float m = paintDelegate.measureText(text, index, count, isRtl);
if (paintDelegate.getTextAlign() == Paint.Align.CENTER.nativeInt) {
x -= m / 2;
} else if (paintDelegate.getTextAlign() == Paint.Align.RIGHT.nativeInt) {
@@ -999,87 +998,15 @@ public final class Canvas_Delegate {
}
}
- List<FontInfo> fonts = paintDelegate.getFonts();
-
- if (fonts.size() > 0) {
- FontInfo mainFont = fonts.get(0);
- int i = index;
- int lastIndex = index + count;
- while (i < lastIndex) {
- // always start with the main font.
- int upTo = mainFont.mFont.canDisplayUpTo(text, i, lastIndex);
- if (upTo == -1) {
- // draw all the rest and exit.
- graphics.setFont(mainFont.mFont);
- graphics.drawChars(text, i, lastIndex - i, (int)x, (int)y);
- return;
- } else if (upTo > 0) {
- // draw what's possible
- graphics.setFont(mainFont.mFont);
- graphics.drawChars(text, i, upTo - i, (int)x, (int)y);
-
- // compute the width that was drawn to increase x
- x += mainFont.mMetrics.charsWidth(text, i, upTo - i);
-
- // move index to the first non displayed char.
- i = upTo;
-
- // don't call continue at this point. Since it is certain the main font
- // cannot display the font a index upTo (now ==i), we move on to the
- // fallback fonts directly.
- }
-
- // no char supported, attempt to read the next char(s) with the
- // fallback font. In this case we only test the first character
- // and then go back to test with the main font.
- // Special test for 2-char characters.
- boolean foundFont = false;
- for (int f = 1 ; f < fonts.size() ; f++) {
- FontInfo fontInfo = fonts.get(f);
-
- // need to check that the font can display the character. We test
- // differently if the char is a high surrogate.
- int charCount = Character.isHighSurrogate(text[i]) ? 2 : 1;
- upTo = fontInfo.mFont.canDisplayUpTo(text, i, i + charCount);
- if (upTo == -1) {
- // draw that char
- graphics.setFont(fontInfo.mFont);
- graphics.drawChars(text, i, charCount, (int)x, (int)y);
-
- // update x
- x += fontInfo.mMetrics.charsWidth(text, i, charCount);
-
- // update the index in the text, and move on
- i += charCount;
- foundFont = true;
- break;
-
- }
- }
-
- // in case no font can display the char, display it with the main font.
- // (it'll put a square probably)
- if (foundFont == false) {
- int charCount = Character.isHighSurrogate(text[i]) ? 2 : 1;
-
- graphics.setFont(mainFont.mFont);
- graphics.drawChars(text, i, charCount, (int)x, (int)y);
-
- // measure it to advance x
- x += mainFont.mMetrics.charsWidth(text, i, charCount);
-
- // and move to the next chars.
- i += charCount;
- }
- }
- }
+ new BidiRenderer(graphics, paintDelegate, text).renderText(
+ index, limit, isRtl, null, 0, true, x, startY);
}
});
}
@LayoutlibDelegate
/*package*/ static void native_drawText(int nativeCanvas, String text,
- int start, int end, float x, float y, int flags, int paint) {
+ int start, int end, float x, float y, final int flags, int paint) {
int count = end - start;
char[] buffer = TemporaryBuffer.obtain(count);
TextUtils.getChars(text, start, end, buffer, 0);