| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkFontPriv_DEFINED |
| #define SkFontPriv_DEFINED |
| |
| #include "SkFont.h" |
| #include "SkMatrix.h" |
| #include "SkTypeface.h" |
| |
| class SkFontPriv { |
| public: |
| /** |
| * Return a matrix that applies the paint's text values: size, scale, skew |
| */ |
| static SkMatrix MakeTextMatrix(SkScalar size, SkScalar scaleX, SkScalar skewX) { |
| SkMatrix m = SkMatrix::MakeScale(size * scaleX, size); |
| if (skewX) { |
| m.postSkew(skewX, 0); |
| } |
| return m; |
| } |
| |
| static SkMatrix MakeTextMatrix(const SkFont& font) { |
| return MakeTextMatrix(font.getSize(), font.getScaleX(), font.getSkewX()); |
| } |
| |
| // returns -1 if buffer is invalid for specified encoding |
| static int ValidCountText(const void* text, size_t length, SkTextEncoding); |
| |
| static SkTypeface* GetTypefaceOrDefault(const SkFont& font) { |
| return font.getTypeface() ? font.getTypeface() : SkTypeface::GetDefaultTypeface(); |
| } |
| |
| static sk_sp<SkTypeface> RefTypefaceOrDefault(const SkFont& font) { |
| return font.getTypeface() ? font.refTypeface() : SkTypeface::MakeDefault(); |
| } |
| }; |
| |
| #endif |