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Commit f01ca1d7 authored by Raph Levien's avatar Raph Levien Committed by Android (Google) Code Review
Browse files

Merge "Fix getFontMetrics problems" into lmp-preview-dev

parents ffdd37ff f7137209

core/jni/android/graphics/Paint.cpp

+26 −19
Original line number Diff line number Diff line
@@ -429,26 +429,19 @@ public: 
        GraphicsJNI::getNativePaint(env, paint)->setTextSkewX(skewX);

    }



    static jfloat ascent(JNIEnv* env, jobject paint) {

        NPE_CHECK_RETURN_ZERO(env, paint);

        SkPaint::FontMetrics    metrics;

        (void)GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics);

        return SkScalarToFloat(metrics.fAscent);

    }



    static jfloat descent(JNIEnv* env, jobject paint) {

        NPE_CHECK_RETURN_ZERO(env, paint);

        SkPaint::FontMetrics    metrics;

        (void)GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics);

        return SkScalarToFloat(metrics.fDescent);

    }



    static SkScalar getMetricsInternal(SkPaint *paint, SkPaint::FontMetrics *metrics) {

    static SkScalar getMetricsInternal(JNIEnv* env, jobject jpaint, SkPaint::FontMetrics *metrics) {

        const int kElegantTop = 2500;

        const int kElegantBottom = -1000;

        const int kElegantAscent = 1946;

        const int kElegantDescent = -512;

        const int kElegantAscent = 1900;

        const int kElegantDescent = -500;

        const int kElegantLeading = 0;

        SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint);

#ifdef USE_MINIKIN

        TypefaceImpl* typeface = GraphicsJNI::getNativeTypeface(env, jpaint);

        typeface = TypefaceImpl_resolveDefault(typeface);

        MinikinFont* baseFont = typeface->fFontCollection->baseFont(typeface->fStyle);

        paint->setTypeface(reinterpret_cast<MinikinFontSkia*>(baseFont)->GetSkTypeface());

#endif

        SkScalar spacing = paint->getFontMetrics(metrics);

        SkPaintOptionsAndroid paintOpts = paint->getPaintOptionsAndroid();

        if (paintOpts.getFontVariant() == SkPaintOptionsAndroid::kElegant_Variant) {
@@ -463,10 +456,24 @@ public: 
        return spacing;

    }



    static jfloat ascent(JNIEnv* env, jobject paint) {

        NPE_CHECK_RETURN_ZERO(env, paint);

        SkPaint::FontMetrics metrics;

        getMetricsInternal(env, paint, &metrics);

        return SkScalarToFloat(metrics.fAscent);

    }



    static jfloat descent(JNIEnv* env, jobject paint) {

        NPE_CHECK_RETURN_ZERO(env, paint);

        SkPaint::FontMetrics metrics;

        getMetricsInternal(env, paint, &metrics);

        return SkScalarToFloat(metrics.fDescent);

    }



    static jfloat getFontMetrics(JNIEnv* env, jobject paint, jobject metricsObj) {

        NPE_CHECK_RETURN_ZERO(env, paint);

        SkPaint::FontMetrics metrics;

        SkScalar spacing = getMetricsInternal(GraphicsJNI::getNativePaint(env, paint), &metrics);

        SkScalar spacing = getMetricsInternal(env, paint, &metrics);



        if (metricsObj) {

            SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class));
@@ -483,7 +490,7 @@ public: 
        NPE_CHECK_RETURN_ZERO(env, paint);

        SkPaint::FontMetrics metrics;



        getMetricsInternal(GraphicsJNI::getNativePaint(env, paint), &metrics);

        getMetricsInternal(env, paint, &metrics);

        int ascent = SkScalarRoundToInt(metrics.fAscent);

        int descent = SkScalarRoundToInt(metrics.fDescent);

        int leading = SkScalarRoundToInt(metrics.fLeading);