diff options
author | reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-07-02 13:56:39 +0000 |
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committer | reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-07-02 13:56:39 +0000 |
commit | bcb42aecf1bdb9ae80d766d203b4f636b954cf03 (patch) | |
tree | dfd351e5a83a420732c97c46150e20bdf0723cd1 /tests/PaintTest.cpp | |
parent | 63e9627fca441ae7117eb3a06b978470cebed84c (diff) |
add charsToGlyphs to SkTypeface
Will disable new unittest until all backends are implemented.
On Mac, new API is 4x faster than old paint one, so next CL I will reimplement the paint calls in terms of the new typeface call.
R=eae@chromium.org
Review URL: https://codereview.chromium.org/18083023
git-svn-id: http://skia.googlecode.com/svn/trunk@9860 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'tests/PaintTest.cpp')
-rw-r--r-- | tests/PaintTest.cpp | 104 |
1 files changed, 103 insertions, 1 deletions
diff --git a/tests/PaintTest.cpp b/tests/PaintTest.cpp index 0db34b6f09..6d12ebec28 100644 --- a/tests/PaintTest.cpp +++ b/tests/PaintTest.cpp @@ -1,15 +1,112 @@ - /* * Copyright 2011 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ + #include "Test.h" #include "SkPath.h" #include "SkPaint.h" #include "SkLayerDrawLooper.h" #include "SkBlurMaskFilter.h" +#include "SkRandom.h" +#include "SkTypeface.h" +#include "SkUtils.h" + +static size_t uni_to_utf8(const SkUnichar src[], void* dst, int count) { + char* u8 = (char*)dst; + for (int i = 0; i < count; ++i) { + int n = SkUTF8_FromUnichar(src[i], u8); + u8 += n; + } + return u8 - (char*)dst; +} + +static size_t uni_to_utf16(const SkUnichar src[], void* dst, int count) { + uint16_t* u16 = (uint16_t*)dst; + for (int i = 0; i < count; ++i) { + int n = SkUTF16_FromUnichar(src[i], u16); + u16 += n; + } + return (char*)u16 - (char*)dst; +} + +static size_t uni_to_utf32(const SkUnichar src[], void* dst, int count) { + SkUnichar* u32 = (SkUnichar*)dst; + if (src != u32) { + memcpy(u32, src, count * sizeof(SkUnichar)); + } + return count * sizeof(SkUnichar); +} + +static SkTypeface::Encoding paint2encoding(const SkPaint& paint) { + SkPaint::TextEncoding enc = paint.getTextEncoding(); + SkASSERT(SkPaint::kGlyphID_TextEncoding != enc); + return (SkTypeface::Encoding)enc; +} + +static int find_first_zero(const uint16_t glyphs[], int count) { + for (int i = 0; i < count; ++i) { + if (0 == glyphs[i]) { + return i; + } + } + return count; +} + +static void test_cmap(skiatest::Reporter* reporter) { + static const int NGLYPHS = 64; + + SkUnichar src[NGLYPHS]; + SkUnichar dst[NGLYPHS]; // used for utf8, utf16, utf32 storage + + static const struct { + size_t (*fSeedTextProc)(const SkUnichar[], void* dst, int count); + SkPaint::TextEncoding fEncoding; + } gRec[] = { + { uni_to_utf8, SkPaint::kUTF8_TextEncoding }, + { uni_to_utf16, SkPaint::kUTF16_TextEncoding }, + { uni_to_utf32, SkPaint::kUTF32_TextEncoding }, + }; + + SkRandom rand; + SkPaint paint; + paint.setTypeface(SkTypeface::RefDefault())->unref(); + SkTypeface* face = paint.getTypeface(); + + for (int i = 0; i < 1000; ++i) { + // generate some random text + for (int j = 0; j < NGLYPHS; ++j) { + src[j] = ' ' + j; + } + // inject some random chars, to sometimes abort early + src[rand.nextU() & 63] = rand.nextU() & 0xFFF; + + for (size_t k = 0; k < SK_ARRAY_COUNT(gRec); ++k) { + paint.setTextEncoding(gRec[k].fEncoding); + + size_t len = gRec[k].fSeedTextProc(src, dst, NGLYPHS); + + uint16_t glyphs0[NGLYPHS], glyphs1[NGLYPHS]; + + bool contains = paint.containsText(dst, len); + int nglyphs = paint.textToGlyphs(dst, len, glyphs0); + int first = face->charsToGlyphs(dst, paint2encoding(paint), glyphs1, NGLYPHS); + int index = find_first_zero(glyphs1, NGLYPHS); + + REPORTER_ASSERT(reporter, NGLYPHS == nglyphs); + REPORTER_ASSERT(reporter, index == first); + REPORTER_ASSERT(reporter, + !memcmp(glyphs0, glyphs1, NGLYPHS * sizeof(uint16_t))); + if (contains) { + REPORTER_ASSERT(reporter, NGLYPHS == first); + } else { + REPORTER_ASSERT(reporter, NGLYPHS > first); + } + } + } +} // temparary api for bicubic, just be sure we can set/clear it static void test_bicubic(skiatest::Reporter* reporter) { @@ -134,6 +231,11 @@ static void TestPaint(skiatest::Reporter* reporter) { regression_measureText(reporter); test_bicubic(reporter); +#ifdef SK_BUILD_FOR_MAC + // need to implement charsToGlyphs on other backends (e.g. linux, win) + // before we can run this tests everywhre + test_cmap(reporter); +#endif } #include "TestClassDef.h" |