Examples with TypeSizeSpan com.mta.tehreer.layout.style.TypeSizeSpan used on opensource projects

Example 1 with TypeSizeSpan

use of com.mta.tehreer.layout.style.TypeSizeSpan in project Tehreer-Android by mta452.

the class Typesetter method resolveFonts.

private void resolveFonts(int charStart, int charEnd, byte bidiLevel, ShapingEngine shapingEngine, Typeface typeface) {
    Spanned spanned = mSpanned;
    TopSpanIterator<TypeSizeSpan> iterator = new TopSpanIterator<>(spanned, charStart, charEnd, TypeSizeSpan.class);
    while (iterator.hasNext()) {
        TypeSizeSpan spanObject = iterator.next();
        int spanStart = iterator.getSpanStart();
        int spanEnd = iterator.getSpanEnd();
        float typeSize;
        if (spanObject == null) {
            typeSize = DEFAULT_FONT_SIZE;
        } else {
            typeSize = spanObject.getSize();
            if (typeSize < 0.0f) {
                typeSize = 0.0f;
            }
        }
        IntrinsicRun intrinsicRun = resolveGlyphs(spanStart, spanEnd, bidiLevel, shapingEngine, typeface, typeSize);
        mIntrinsicRuns.add(intrinsicRun);
    }
}

Example 2 with TypeSizeSpan

use of com.mta.tehreer.layout.style.TypeSizeSpan in project Tehreer-Android by mta452.

the class Typesetter method createTruncationToken.

private ComposedLine createTruncationToken(int charStart, int charEnd, TruncationPlace truncationPlace, String tokenStr) {
    int truncationIndex = 0;
    switch(truncationPlace) {
        case START:
            truncationIndex = charStart;
            break;
        case MIDDLE:
            truncationIndex = (charStart + charEnd) / 2;
            break;
        case END:
            truncationIndex = charEnd - 1;
            break;
    }
    Object[] charSpans = mSpanned.getSpans(truncationIndex, truncationIndex + 1, Object.class);
    TypefaceSpan typefaceSpan = null;
    TypeSizeSpan typeSizeSpan = null;
    final int typefaceBit = 1;
    final int typeSizeBit = 1 << 1;
    final int requiredBits = typefaceBit | typeSizeBit;
    int foundBits = 0;
    for (Object span : charSpans) {
        if (span instanceof TypefaceSpan) {
            if (typefaceSpan == null) {
                typefaceSpan = (TypefaceSpan) span;
                foundBits |= typefaceBit;
            }
        } else if (span instanceof TypeSizeSpan) {
            if (typeSizeSpan == null) {
                typeSizeSpan = (TypeSizeSpan) span;
                foundBits |= typeSizeBit;
            }
        }
        if (foundBits == requiredBits) {
            Typeface tokenTypeface = typefaceSpan.getTypeface();
            float tokenTypeSize = typeSizeSpan.getSize();
            if (tokenStr == null || tokenStr.length() == 0) {
                // Token string is not given. Use ellipsis character if available; fallback to
                // three dots.
                int ellipsisGlyphId = tokenTypeface.getGlyphId(0x2026);
                if (ellipsisGlyphId == 0) {
                    tokenStr = "...";
                } else {
                    tokenStr = "\u2026";
                }
            }
            Typesetter typesetter = new Typesetter(tokenStr, tokenTypeface, tokenTypeSize);
            return typesetter.createSimpleLine(0, tokenStr.length());
        }
    }
    return null;
}

Example 3 with TypeSizeSpan

use of com.mta.tehreer.layout.style.TypeSizeSpan in project Tehreer-Android by mta452.

the class TLabel method updateTypesetter.

private void updateTypesetter() {
    if (mNeedsTypesetter) {
        return;
    }
    mTypesetter = null;
    long t1 = System.nanoTime();
    if (mText != null) {
        Typeface typeface = getTypeface();
        if (typeface != null && mText.length() > 0) {
            mTypesetter = new Typesetter(mText, typeface, getTextSize());
        }
    } else if (mSpanned != null) {
        if (mSpanned.length() > 0) {
            List<Object> defaultSpans = new ArrayList<>();
            Typeface typeface = getTypeface();
            float textSize = getTextSize();
            if (typeface != null) {
                defaultSpans.add(new TypefaceSpan(typeface));
            }
            defaultSpans.add(new TypeSizeSpan(textSize));
            mTypesetter = new Typesetter(mSpanned, defaultSpans);
        }
    }
    long t2 = System.nanoTime();
    Log.i("Tehreer", "Time taken to create typesetter: " + ((t2 - t1) * 1E-6));
    requestLayout();
    invalidate();
}

Example 4 with TypeSizeSpan

use of com.mta.tehreer.layout.style.TypeSizeSpan in project Tehreer-Android by mta452.

the class ShapingRunLocator method resolveSpans.

private static void resolveSpans(@NonNull ShapingRun shapingRun, @NonNull Object[] spans) {
    for (Object span : spans) {
        if (span instanceof com.mta.tehreer.layout.style.TypefaceSpan) {
            com.mta.tehreer.layout.style.TypefaceSpan typefaceSpan = (com.mta.tehreer.layout.style.TypefaceSpan) span;
            shapingRun.typeface = typefaceSpan.getTypeface();
            shapingRun.typeWeight = shapingRun.typeface.getWeight();
            shapingRun.typeSlope = shapingRun.typeface.getSlope();
        } else if (span instanceof TypeSizeSpan) {
            TypeSizeSpan typeSizeSpan = (TypeSizeSpan) span;
            shapingRun.typeSize = typeSizeSpan.getSize();
        } else if (span instanceof TypefaceSpan) {
            TypefaceSpan typefaceSpan = (TypefaceSpan) span;
            resolveTypeface(shapingRun, typefaceSpan.getFamily(), TypeWidth.NORMAL);
        } else if (span instanceof AbsoluteSizeSpan) {
            AbsoluteSizeSpan absoluteSizeSpan = (AbsoluteSizeSpan) span;
            shapingRun.typeSize = absoluteSizeSpan.getSize();
        } else if (span instanceof RelativeSizeSpan) {
            RelativeSizeSpan relativeSizeSpan = (RelativeSizeSpan) span;
            shapingRun.typeSize *= relativeSizeSpan.getSizeChange();
        } else if (span instanceof StyleSpan) {
            StyleSpan styleSpan = (StyleSpan) span;
            resolveStyle(shapingRun, styleSpan.getStyle());
            updateTypeface(shapingRun);
        } else if (span instanceof TextAppearanceSpan) {
            TextAppearanceSpan appearanceSpan = (TextAppearanceSpan) span;
            shapingRun.typeSize = appearanceSpan.getTextSize();
            resolveStyle(shapingRun, appearanceSpan.getTextStyle());
            String familyName = appearanceSpan.getFamily();
            if (familyName != null) {
                resolveTypeface(shapingRun, familyName, TypeWidth.NORMAL);
            } else {
                updateTypeface(shapingRun);
            }
        } else if (span instanceof ScaleXSpan) {
            ScaleXSpan scaleXSpan = (ScaleXSpan) span;
            shapingRun.scaleX = scaleXSpan.getScaleX();
        } else if (span instanceof SuperscriptSpan) {
            resolveBaselineShift(shapingRun, 0.5f);
        } else if (span instanceof SubscriptSpan) {
            resolveBaselineShift(shapingRun, -0.5f);
        } else if (span instanceof ReplacementSpan) {
            shapingRun.replacement = (ReplacementSpan) span;
        }
    }
    if (shapingRun.typeSize < 0.0f) {
        shapingRun.typeSize = 0.0f;
    }
}