Examples with CharacterStyle android.text.style.CharacterStyle used on opensource projects

Example 11 with CharacterStyle

use of android.text.style.CharacterStyle in project android_frameworks_base by DirtyUnicorns.

the class Notification method removeTextSizeSpans.

private static CharSequence removeTextSizeSpans(CharSequence charSequence) {
    if (charSequence instanceof Spanned) {
        Spanned ss = (Spanned) charSequence;
        Object[] spans = ss.getSpans(0, ss.length(), Object.class);
        SpannableStringBuilder builder = new SpannableStringBuilder(ss.toString());
        for (Object span : spans) {
            Object resultSpan = span;
            if (resultSpan instanceof CharacterStyle) {
                resultSpan = ((CharacterStyle) span).getUnderlying();
            }
            if (resultSpan instanceof TextAppearanceSpan) {
                TextAppearanceSpan originalSpan = (TextAppearanceSpan) resultSpan;
                resultSpan = new TextAppearanceSpan(originalSpan.getFamily(), originalSpan.getTextStyle(), -1, originalSpan.getTextColor(), originalSpan.getLinkTextColor());
            } else if (resultSpan instanceof RelativeSizeSpan || resultSpan instanceof AbsoluteSizeSpan) {
                continue;
            } else {
                resultSpan = span;
            }
            builder.setSpan(resultSpan, ss.getSpanStart(span), ss.getSpanEnd(span), ss.getSpanFlags(span));
        }
        return builder;
    }
    return charSequence;
}

Example 12 with CharacterStyle

use of android.text.style.CharacterStyle in project android_frameworks_base by DirtyUnicorns.

the class TextLine method handleRun.

/**
     * Utility function for handling a unidirectional run.  The run must not
     * contain tabs but can contain styles.
     *
     *
     * @param start the line-relative start of the run
     * @param measureLimit the offset to measure to, between start and limit inclusive
     * @param limit the limit of the run
     * @param runIsRtl true if the run is right-to-left
     * @param c the canvas, can be null
     * @param x the end of the run closest to the leading margin
     * @param top the top of the line
     * @param y the baseline
     * @param bottom the bottom of the line
     * @param fmi receives metrics information, can be null
     * @param needWidth true if the width is required
     * @return the signed width of the run based on the run direction; only
     * valid if needWidth is true
     */
private float handleRun(int start, int measureLimit, int limit, boolean runIsRtl, Canvas c, float x, int top, int y, int bottom, FontMetricsInt fmi, boolean needWidth) {
    // Case of an empty line, make sure we update fmi according to mPaint
    if (start == measureLimit) {
        TextPaint wp = mWorkPaint;
        wp.set(mPaint);
        if (fmi != null) {
            expandMetricsFromPaint(fmi, wp);
        }
        return 0f;
    }
    if (mSpanned == null) {
        TextPaint wp = mWorkPaint;
        wp.set(mPaint);
        final int mlimit = measureLimit;
        return handleText(wp, start, limit, start, limit, runIsRtl, c, x, top, y, bottom, fmi, needWidth || mlimit < measureLimit, mlimit);
    }
    mMetricAffectingSpanSpanSet.init(mSpanned, mStart + start, mStart + limit);
    mCharacterStyleSpanSet.init(mSpanned, mStart + start, mStart + limit);
    // Shaping needs to take into account context up to metric boundaries,
    // but rendering needs to take into account character style boundaries.
    // So we iterate through metric runs to get metric bounds,
    // then within each metric run iterate through character style runs
    // for the run bounds.
    final float originalX = x;
    for (int i = start, inext; i < measureLimit; i = inext) {
        TextPaint wp = mWorkPaint;
        wp.set(mPaint);
        inext = mMetricAffectingSpanSpanSet.getNextTransition(mStart + i, mStart + limit) - mStart;
        int mlimit = Math.min(inext, measureLimit);
        ReplacementSpan replacement = null;
        for (int j = 0; j < mMetricAffectingSpanSpanSet.numberOfSpans; j++) {
            // empty by construction. This special case in getSpans() explains the >= & <= tests
            if ((mMetricAffectingSpanSpanSet.spanStarts[j] >= mStart + mlimit) || (mMetricAffectingSpanSpanSet.spanEnds[j] <= mStart + i))
                continue;
            MetricAffectingSpan span = mMetricAffectingSpanSpanSet.spans[j];
            if (span instanceof ReplacementSpan) {
                replacement = (ReplacementSpan) span;
            } else {
                // We might have a replacement that uses the draw
                // state, otherwise measure state would suffice.
                span.updateDrawState(wp);
            }
        }
        if (replacement != null) {
            x += handleReplacement(replacement, wp, i, mlimit, runIsRtl, c, x, top, y, bottom, fmi, needWidth || mlimit < measureLimit);
            continue;
        }
        for (int j = i, jnext; j < mlimit; j = jnext) {
            jnext = mCharacterStyleSpanSet.getNextTransition(mStart + j, mStart + inext) - mStart;
            int offset = Math.min(jnext, mlimit);
            wp.set(mPaint);
            for (int k = 0; k < mCharacterStyleSpanSet.numberOfSpans; k++) {
                // Intentionally using >= and <= as explained above
                if ((mCharacterStyleSpanSet.spanStarts[k] >= mStart + offset) || (mCharacterStyleSpanSet.spanEnds[k] <= mStart + j))
                    continue;
                CharacterStyle span = mCharacterStyleSpanSet.spans[k];
                span.updateDrawState(wp);
            }
            // Only draw hyphen on last run in line
            if (jnext < mLen) {
                wp.setHyphenEdit(0);
            }
            x += handleText(wp, j, jnext, i, inext, runIsRtl, c, x, top, y, bottom, fmi, needWidth || jnext < measureLimit, offset);
        }
    }
    return x - originalX;
}

Example 13 with CharacterStyle

use of android.text.style.CharacterStyle in project android_frameworks_base by AOSPA.

the class Notification method removeTextSizeSpans.

private static CharSequence removeTextSizeSpans(CharSequence charSequence) {
    if (charSequence instanceof Spanned) {
        Spanned ss = (Spanned) charSequence;
        Object[] spans = ss.getSpans(0, ss.length(), Object.class);
        SpannableStringBuilder builder = new SpannableStringBuilder(ss.toString());
        for (Object span : spans) {
            Object resultSpan = span;
            if (resultSpan instanceof CharacterStyle) {
                resultSpan = ((CharacterStyle) span).getUnderlying();
            }
            if (resultSpan instanceof TextAppearanceSpan) {
                TextAppearanceSpan originalSpan = (TextAppearanceSpan) resultSpan;
                resultSpan = new TextAppearanceSpan(originalSpan.getFamily(), originalSpan.getTextStyle(), -1, originalSpan.getTextColor(), originalSpan.getLinkTextColor());
            } else if (resultSpan instanceof RelativeSizeSpan || resultSpan instanceof AbsoluteSizeSpan) {
                continue;
            } else {
                resultSpan = span;
            }
            builder.setSpan(resultSpan, ss.getSpanStart(span), ss.getSpanEnd(span), ss.getSpanFlags(span));
        }
        return builder;
    }
    return charSequence;
}

Example 14 with CharacterStyle

use of android.text.style.CharacterStyle in project Mvp-Rxjava-Retrofit-dagger2 by pengMaster.

the class StringUtils method getHighLightText.

// public final static String UTF_8 = "utf-8";
/**
 * 返回一个高亮spannable
 *
 * @param content 文本内容
 * @param color   高亮颜色
 * @param start   起始位置
 * @param end     结束位置
 * @return 高亮spannable
 */
public static CharSequence getHighLightText(String content, int color, int start, int end) {
    if (TextUtils.isEmpty(content)) {
        return "";
    }
    start = start >= 0 ? start : 0;
    end = end <= content.length() ? end : content.length();
    SpannableString spannable = new SpannableString(content);
    CharacterStyle span = new ForegroundColorSpan(color);
    spannable.setSpan(span, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    return spannable;
}

Example 15 with CharacterStyle

use of android.text.style.CharacterStyle in project Android-Rich-text-Editor by chinalwb.

the class HtmlToSpannedConverter method withinParagraph.

private static void withinParagraph(StringBuilder out, Spanned text, int start, int end) {
    int next;
    for (int i = start; i < end; i = next) {
        next = text.nextSpanTransition(i, end, CharacterStyle.class);
        CharacterStyle[] style = text.getSpans(i, next, CharacterStyle.class);
        for (int j = 0; j < style.length; j++) {
            if (style[j] instanceof StyleSpan) {
                int s = ((StyleSpan) style[j]).getStyle();
                if ((s & Typeface.BOLD) != 0) {
                    out.append("<b>");
                }
                if ((s & Typeface.ITALIC) != 0) {
                    out.append("<i>");
                }
            }
            if (style[j] instanceof TypefaceSpan) {
                String s = ((TypefaceSpan) style[j]).getFamily();
                if ("monospace".equals(s)) {
                    out.append("<tt>");
                }
            }
            if (style[j] instanceof SuperscriptSpan) {
                out.append("<sup>");
            }
            if (style[j] instanceof SubscriptSpan) {
                out.append("<sub>");
            }
            if (style[j] instanceof UnderlineSpan) {
                out.append("<u>");
            }
            if (style[j] instanceof StrikethroughSpan) {
                out.append("<span style=\"text-decoration:line-through;\">");
            }
            if (style[j] instanceof URLSpan) {
                out.append("<a href=\"");
                out.append(((URLSpan) style[j]).getURL());
                out.append("\">");
            }
            if (style[j] instanceof ImageSpan) {
                out.append("<img src=\"");
                out.append(((ImageSpan) style[j]).getSource());
                out.append("\">");
                // Don't output the dummy character underlying the image.
                i = next;
            }
            if (style[j] instanceof ARE_Span) {
                out.append(((ARE_Span) style[j]).getHtml());
                i = next;
            }
            if (style[j] instanceof AbsoluteSizeSpan) {
                AbsoluteSizeSpan s = ((AbsoluteSizeSpan) style[j]);
                float sizeDip = s.getSize();
                if (!s.getDip()) {
                    // Application application = ActivityThread.currentApplication();
                    // float density = application.getResources().getDisplayMetrics().density;
                    float density = 1.5f;
                    sizeDip /= density;
                }
                // px in CSS is the equivalance of dip in Android
                out.append(String.format("<span style=\"font-size:%.0fpx\";>", sizeDip));
            }
            if (style[j] instanceof RelativeSizeSpan) {
                float sizeEm = ((RelativeSizeSpan) style[j]).getSizeChange();
                out.append(String.format("<span style=\"font-size:%.2fem;\">", sizeEm));
            }
            if (style[j] instanceof ForegroundColorSpan) {
                int color = ((ForegroundColorSpan) style[j]).getForegroundColor();
                out.append(String.format("<span style=\"color:#%06X;\">", 0xFFFFFF & color));
            }
            if (style[j] instanceof BackgroundColorSpan) {
                int color = ((BackgroundColorSpan) style[j]).getBackgroundColor();
                out.append(String.format("<span style=\"background-color:#%06X;\">", 0xFFFFFF & color));
            }
        }
        withinStyle(out, text, i, next);
        for (int j = style.length - 1; j >= 0; j--) {
            if (style[j] instanceof BackgroundColorSpan) {
                out.append("</span>");
            }
            if (style[j] instanceof ForegroundColorSpan) {
                out.append("</span>");
            }
            if (style[j] instanceof RelativeSizeSpan) {
                out.append("</span>");
            }
            if (style[j] instanceof AbsoluteSizeSpan) {
                out.append("</span>");
            }
            if (style[j] instanceof URLSpan) {
                out.append("</a>");
            }
            if (style[j] instanceof StrikethroughSpan) {
                out.append("</span>");
            }
            if (style[j] instanceof UnderlineSpan) {
                out.append("</u>");
            }
            if (style[j] instanceof SubscriptSpan) {
                out.append("</sub>");
            }
            if (style[j] instanceof SuperscriptSpan) {
                out.append("</sup>");
            }
            if (style[j] instanceof TypefaceSpan) {
                String s = ((TypefaceSpan) style[j]).getFamily();
                if (s.equals("monospace")) {
                    out.append("</tt>");
                }
            }
            if (style[j] instanceof StyleSpan) {
                int s = ((StyleSpan) style[j]).getStyle();
                if ((s & Typeface.BOLD) != 0) {
                    out.append("</b>");
                }
                if ((s & Typeface.ITALIC) != 0) {
                    out.append("</i>");
                }
            }
        }
    }
}