зеркало из https://github.com/mozilla/moz-skia.git
103 строки
3.1 KiB
C++
103 строки
3.1 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Benchmark.h"
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#include "SkCanvas.h"
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#include "SkPaint.h"
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#include "SkTypeface.h"
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enum {
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NGLYPHS = 100
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};
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static SkTypeface::Encoding paint2Encoding(const SkPaint& paint) {
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SkPaint::TextEncoding enc = paint.getTextEncoding();
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SkASSERT(SkPaint::kGlyphID_TextEncoding != enc);
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return (SkTypeface::Encoding)enc;
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}
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typedef void (*TypefaceProc)(int loops, const SkPaint&, const void* text, size_t len,
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int glyphCount);
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static void containsText_proc(int loops, const SkPaint& paint, const void* text, size_t len,
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int glyphCount) {
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for (int i = 0; i < loops; ++i) {
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paint.containsText(text, len);
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}
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}
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static void textToGlyphs_proc(int loops, const SkPaint& paint, const void* text, size_t len,
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int glyphCount) {
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uint16_t glyphs[NGLYPHS];
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SkASSERT(glyphCount <= NGLYPHS);
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for (int i = 0; i < loops; ++i) {
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paint.textToGlyphs(text, len, glyphs);
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}
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}
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static void charsToGlyphs_proc(int loops, const SkPaint& paint, const void* text,
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size_t len, int glyphCount) {
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SkTypeface::Encoding encoding = paint2Encoding(paint);
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uint16_t glyphs[NGLYPHS];
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SkASSERT(glyphCount <= NGLYPHS);
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SkTypeface* face = paint.getTypeface();
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for (int i = 0; i < loops; ++i) {
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face->charsToGlyphs(text, encoding, glyphs, glyphCount);
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}
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}
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static void charsToGlyphsNull_proc(int loops, const SkPaint& paint, const void* text,
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size_t len, int glyphCount) {
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SkTypeface::Encoding encoding = paint2Encoding(paint);
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SkTypeface* face = paint.getTypeface();
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for (int i = 0; i < loops; ++i) {
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face->charsToGlyphs(text, encoding, NULL, glyphCount);
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}
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}
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class CMAPBench : public Benchmark {
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TypefaceProc fProc;
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SkString fName;
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char fText[NGLYPHS];
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SkPaint fPaint;
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public:
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CMAPBench(TypefaceProc proc, const char name[]) {
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fProc = proc;
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fName.printf("cmap_%s", name);
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for (int i = 0; i < NGLYPHS; ++i) {
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// we're jamming values into utf8, so we must keep it legal utf8
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fText[i] = 'A' + (i & 31);
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}
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fPaint.setTypeface(SkTypeface::RefDefault())->unref();
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}
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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return fName.c_str();
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}
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virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
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fProc(loops, fPaint, fText, sizeof(fText), NGLYPHS);
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}
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private:
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typedef Benchmark INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_BENCH( return new CMAPBench(containsText_proc, "paint_containsText"); )
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DEF_BENCH( return new CMAPBench(textToGlyphs_proc, "paint_textToGlyphs"); )
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DEF_BENCH( return new CMAPBench(charsToGlyphs_proc, "face_charsToGlyphs"); )
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DEF_BENCH( return new CMAPBench(charsToGlyphsNull_proc, "face_charsToGlyphs_null"); )
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