| // Copyright 2021 Google LLC. |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkEncodedImageFormat.h" |
| #include "include/core/SkFontMgr.h" |
| #include "include/core/SkFontStyle.h" |
| #include "include/core/SkImageEncoder.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkPoint.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkSpan.h" |
| #include "include/core/SkStream.h" |
| #include "include/core/SkString.h" |
| #include "include/core/SkTypeface.h" |
| #include "include/core/SkTypes.h" |
| #include "tests/Test.h" |
| #include "tools/Resources.h" |
| |
| #include "experimental/sktext/include/Text.h" |
| #include "experimental/sktext/src/Paint.h" |
| |
| #include <string.h> |
| #include <algorithm> |
| #include <limits> |
| #include <memory> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| struct GrContextOptions; |
| |
| #define VeryLongCanvasWidth 1000000 |
| #define TestCanvasWidth 1000 |
| #define TestCanvasHeight 600 |
| |
| using namespace skia::text; |
| |
| UNIX_ONLY_TEST(SkText_ShapedText_LTR, reporter) { |
| auto fontChain = sk_sp(new TrivialFontChain("Roboto", 40.0f, SkFontStyle::Normal())); |
| if (fontChain->empty()) return; |
| |
| std::u16string utf16(u"Hello world\nHello world"); |
| UnicodeText unicodeText(SkUnicode::Make(), SkSpan<uint16_t>((uint16_t*)utf16.data(), utf16.size())); |
| if (!unicodeText.getUnicode()) return; |
| |
| FontBlock fontBlock(utf16.size(), fontChain); |
| auto fontResolvedText = unicodeText.resolveFonts(SkSpan<FontBlock>(&fontBlock, 1)); |
| auto shapedText = fontResolvedText->shape(&unicodeText, TextDirection::kLtr); |
| auto logicalRuns = shapedText->getLogicalRuns(); |
| |
| auto newLine = utf16.find_first_of(u"\n"); |
| REPORTER_ASSERT(reporter, logicalRuns.size() == 3); |
| REPORTER_ASSERT(reporter, logicalRuns[1].getRunType() == LogicalRunType::kLineBreak); |
| REPORTER_ASSERT(reporter, logicalRuns[1].getTextRange() == TextRange(newLine, newLine + 1)); |
| } |
| |
| UNIX_ONLY_TEST(SkText_ShapedText_RTL, reporter) { |
| auto fontChain = sk_sp(new TrivialFontChain("Roboto", 40.0f, SkFontStyle::Normal())); |
| if (fontChain->empty()) return; |
| |
| std::u16string utf16(u"\u202EHELLO WORLD\nHELLO WORLD"); |
| UnicodeText unicodeText(SkUnicode::Make(), SkSpan<uint16_t>((uint16_t*)utf16.data(), utf16.size())); |
| if (!unicodeText.getUnicode()) return; |
| |
| FontBlock fontBlock(utf16.size(), fontChain); |
| auto fontResolvedText = unicodeText.resolveFonts(SkSpan<FontBlock>(&fontBlock, 1)); |
| auto shapedText = fontResolvedText->shape(&unicodeText, TextDirection::kLtr); |
| auto logicalRuns = shapedText->getLogicalRuns(); |
| |
| auto newLine = utf16.find_first_of(u"\n"); |
| REPORTER_ASSERT(reporter, logicalRuns.size() == 3); |
| REPORTER_ASSERT(reporter, logicalRuns[1].getRunType() == LogicalRunType::kLineBreak); |
| REPORTER_ASSERT(reporter, logicalRuns[1].getTextRange() == TextRange(newLine, newLine + 1)); |
| } |