diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/core/SkPaint.h | 60 |
1 files changed, 56 insertions, 4 deletions
diff --git a/include/core/SkPaint.h b/include/core/SkPaint.h index a0def42f12..cd170bc94f 100644 --- a/include/core/SkPaint.h +++ b/include/core/SkPaint.h @@ -885,15 +885,67 @@ public: SkRect bounds[] = NULL) const; /** Return the path (outline) for the specified text. - Note: just like SkCanvas::drawText, this will respect the Align setting - in the paint. - */ + * Note: just like SkCanvas::drawText, this will respect the Align setting + * in the paint. + * + * @param text the text + * @param length number of bytes of text + * @param x The x-coordinate of the origin of the text. + * @param y The y-coordinate of the origin of the text. + * @param path The outline of the text. + */ void getTextPath(const void* text, size_t length, SkScalar x, SkScalar y, SkPath* path) const; + /** Return the path (outline) for the specified text. + * Note: just like SkCanvas::drawText, this will respect the Align setting + * in the paint. + * + * @param text the text + * @param length number of bytes of text + * @param pos array of positions, used to position each character + * @param path The outline of the text. + */ void getPosTextPath(const void* text, size_t length, const SkPoint pos[], SkPath* path) const; + /** Return the number of intervals that intersect the intercept along the axis of the advance. + * The return count is zero or a multiple of two, and is at most the number of glyphs * 2 in + * the string. The caller may pass nullptr for intervals to determine the size of the interval + * array, or may conservatively pre-allocate an array with length * 2 entries. The computed + * intervals are cached by glyph to improve performance for multiple calls. + * This permits constructing an underline that skips the descenders. + * + * @param text the text + * @param length number of bytes of text + * @param x The x-coordinate of the origin of the text. + * @param y The y-coordinate of the origin of the text. + * @param bounds The lower and upper line parallel to the advance. + * @param array If not null, the found intersections. + * + * @return The number of intersections, which may be zero. + */ + int getTextIntercepts(const void* text, size_t length, SkScalar x, SkScalar y, + const SkScalar bounds[2], SkScalar* intervals) const; + + /** Return the number of intervals that intersect the intercept along the axis of the advance. + * The return count is zero or a multiple of two, and is at most the number of glyphs * 2 in + * string. The caller may pass nullptr for intervals to determine the size of the interval + * array, or may conservatively pre-allocate an array with length * 2 entries. The computed + * intervals are cached by glyph to improve performance for multiple calls. + * This permits constructing an underline that skips the descenders. + * + * @param text the text + * @param length number of bytes of text + * @param pos array of positions, used to position each character + * @param bounds The lower and upper line parallel to the advance. + * @param array If not null, the glyph bounds contained by the advance parallel lines. + * + * @return The number of intersections, which may be zero. + */ + int getPosTextIntercepts(const void* text, size_t length, const SkPoint pos[], + const SkScalar bounds[2], SkScalar* intervals) const; + /** * Return a rectangle that represents the union of the bounds of all * of the glyphs, but each one positioned at (0,0). This may be conservatively large, and @@ -1091,7 +1143,7 @@ private: friend class GrTextUtils; friend class GrGLPathRendering; friend class SkScalerContext; - friend class SkTextToPathIter; + friend class SkTextBaseIter; friend class SkCanonicalizePaint; }; |