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/*
* Copyright 2017 Google, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "flutter/fml/logging.h"
#include "render_test.h"
#include "third_party/icu/source/common/unicode/unistr.h"
#include "third_party/skia/include/core/SkColor.h"
#include "txt/font_style.h"
#include "txt/font_weight.h"
#include "txt/paragraph.h"
#include "txt/paragraph_builder.h"
#include "txt_test_utils.h"
#define DISABLE_ON_WINDOWS(TEST) DISABLE_TEST_WINDOWS(TEST)
namespace txt {
using ParagraphTest = RenderTest;
TEST_F(ParagraphTest, SimpleParagraph) {
const char* text = "Hello World Text Dialog";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.color = SK_ColorBLACK;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth());
paragraph->Paint(GetCanvas(), 10.0, 15.0);
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_[0].style().color, text_style.color);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, SimpleRedParagraph) {
const char* text = "I am RED";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.color = SK_ColorRED;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth());
paragraph->Paint(GetCanvas(), 10.0, 15.0);
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_[0].style().color, text_style.color);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, RainbowParagraph) {
const char* text1 = "Red Roboto";
auto icu_text1 = icu::UnicodeString::fromUTF8(text1);
std::u16string u16_text1(icu_text1.getBuffer(),
icu_text1.getBuffer() + icu_text1.length());
const char* text2 = "big Greeen Default";
auto icu_text2 = icu::UnicodeString::fromUTF8(text2);
std::u16string u16_text2(icu_text2.getBuffer(),
icu_text2.getBuffer() + icu_text2.length());
const char* text3 = "Defcolor Homemade Apple";
auto icu_text3 = icu::UnicodeString::fromUTF8(text3);
std::u16string u16_text3(icu_text3.getBuffer(),
icu_text3.getBuffer() + icu_text3.length());
const char* text4 = "Small Blue Roboto";
auto icu_text4 = icu::UnicodeString::fromUTF8(text4);
std::u16string u16_text4(icu_text4.getBuffer(),
icu_text4.getBuffer() + icu_text4.length());
const char* text5 =
"Continue Last Style With lots of words to check if it overlaps "
"properly or not";
auto icu_text5 = icu::UnicodeString::fromUTF8(text5);
std::u16string u16_text5(icu_text5.getBuffer(),
icu_text5.getBuffer() + icu_text5.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 2;
paragraph_style.text_align = TextAlign::left;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style1;
text_style1.color = SK_ColorRED;
text_style1.font_family = "Roboto";
builder.PushStyle(text_style1);
builder.AddText(u16_text1);
txt::TextStyle text_style2;
text_style2.font_size = 50;
text_style2.letter_spacing = 10;
text_style2.word_spacing = 30;
text_style2.font_weight = txt::FontWeight::w600;
text_style2.color = SK_ColorGREEN;
text_style2.font_family = "Roboto";
text_style2.decoration = TextDecoration::kUnderline |
TextDecoration::kOverline |
TextDecoration::kLineThrough;
text_style2.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style2);
builder.AddText(u16_text2);
txt::TextStyle text_style3;
text_style3.font_family = "Homemade Apple";
builder.PushStyle(text_style3);
builder.AddText(u16_text3);
txt::TextStyle text_style4;
text_style4.font_size = 14;
text_style4.color = SK_ColorBLUE;
text_style4.font_family = "Roboto";
text_style4.decoration = TextDecoration::kUnderline |
TextDecoration::kOverline |
TextDecoration::kLineThrough;
text_style4.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style4);
builder.AddText(u16_text4);
// Extra text to see if it goes to default when there is more text chunks than
// styles.
builder.AddText(u16_text5);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth());
paragraph->Paint(GetCanvas(), 0, 0);
u16_text1 += u16_text2 + u16_text3 + u16_text4;
for (size_t i = 0; i < u16_text1.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text1[i]);
}
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->runs_.runs_.size(), 4ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 5ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style1));
ASSERT_TRUE(paragraph->runs_.styles_[2].equals(text_style2));
ASSERT_TRUE(paragraph->runs_.styles_[3].equals(text_style3));
ASSERT_TRUE(paragraph->runs_.styles_[4].equals(text_style4));
ASSERT_EQ(paragraph->records_[0].style().color, text_style1.color);
ASSERT_EQ(paragraph->records_[1].style().color, text_style2.color);
ASSERT_EQ(paragraph->records_[2].style().color, text_style3.color);
ASSERT_EQ(paragraph->records_[3].style().color, text_style4.color);
}
// Currently, this should render nothing without a supplied TextStyle.
TEST_F(ParagraphTest, DefaultStyleParagraph) {
const char* text = "No TextStyle! Uh Oh!";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.font_family = "Roboto";
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth());
paragraph->Paint(GetCanvas(), 10.0, 15.0);
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 1ull);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, BoldParagraph) {
const char* text = "This is Red max bold text!";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 60;
text_style.letter_spacing = 0;
text_style.font_weight = txt::FontWeight::w900;
text_style.color = SK_ColorRED;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth());
paragraph->Paint(GetCanvas(), 10.0, 60.0);
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_[0].style().color, text_style.color);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, DISABLE_ON_WINDOWS(LeftAlignParagraph)) {
const char* text =
"This is a very long sentence to test if the text will properly wrap "
"around and go to the next line. Sometimes, short sentence. Longer "
"sentences are okay too because they are nessecary. Very short. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum.";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 14;
paragraph_style.text_align = TextAlign::left;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 26;
text_style.letter_spacing = 1;
text_style.word_spacing = 5;
text_style.color = SK_ColorBLACK;
text_style.height = 1;
text_style.decoration = TextDecoration::kUnderline;
text_style.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth() - 100);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_.size(), paragraph_style.max_lines);
double expected_y = 24;
ASSERT_TRUE(paragraph->records_[0].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[0].offset().y(), expected_y);
expected_y += 30;
ASSERT_DOUBLE_EQ(paragraph->records_[0].offset().x(), 0);
ASSERT_TRUE(paragraph->records_[1].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[1].offset().y(), expected_y);
expected_y += 30;
ASSERT_DOUBLE_EQ(paragraph->records_[1].offset().x(), 0);
ASSERT_TRUE(paragraph->records_[2].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[2].offset().y(), expected_y);
expected_y += 30;
ASSERT_DOUBLE_EQ(paragraph->records_[2].offset().x(), 0);
ASSERT_TRUE(paragraph->records_[3].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[3].offset().y(), expected_y);
expected_y += 30 * 10;
ASSERT_DOUBLE_EQ(paragraph->records_[3].offset().x(), 0);
ASSERT_TRUE(paragraph->records_[13].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[13].offset().y(), expected_y);
ASSERT_DOUBLE_EQ(paragraph->records_[13].offset().x(), 0);
ASSERT_EQ(paragraph_style.text_align,
paragraph->GetParagraphStyle().text_align);
// Tests for GetGlyphPositionAtCoordinate()
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(0, 0).position, 0ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(1, 1).position, 0ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(1, 35).position, 68ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(1, 70).position, 134ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(2000, 35).position, 134ull);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, DISABLE_ON_WINDOWS(RightAlignParagraph)) {
const char* text =
"This is a very long sentence to test if the text will properly wrap "
"around and go to the next line. Sometimes, short sentence. Longer "
"sentences are okay too because they are nessecary. Very short. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum.";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 14;
paragraph_style.text_align = TextAlign::right;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 26;
text_style.letter_spacing = 1;
text_style.word_spacing = 5;
text_style.color = SK_ColorBLACK;
text_style.height = 1;
text_style.decoration = TextDecoration::kUnderline;
text_style.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth() - 100);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_.size(), paragraph_style.max_lines);
double expected_y = 24;
ASSERT_TRUE(paragraph->records_[0].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[0].offset().y(), expected_y);
expected_y += 30;
ASSERT_NEAR(
paragraph->records_[0].offset().x(),
paragraph->width_ -
paragraph->breaker_.getWidths()[paragraph->records_[0].line()],
2.0);
ASSERT_TRUE(paragraph->records_[1].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[1].offset().y(), expected_y);
expected_y += 30;
ASSERT_NEAR(
paragraph->records_[1].offset().x(),
paragraph->width_ -
paragraph->breaker_.getWidths()[paragraph->records_[1].line()],
2.0);
ASSERT_TRUE(paragraph->records_[2].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[2].offset().y(), expected_y);
expected_y += 30;
ASSERT_NEAR(
paragraph->records_[2].offset().x(),
paragraph->width_ -
paragraph->breaker_.getWidths()[paragraph->records_[2].line()],
2.0);
ASSERT_TRUE(paragraph->records_[3].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[3].offset().y(), expected_y);
expected_y += 30 * 10;
ASSERT_NEAR(
paragraph->records_[3].offset().x(),
paragraph->width_ -
paragraph->breaker_.getWidths()[paragraph->records_[3].line()],
2.0);
ASSERT_TRUE(paragraph->records_[13].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[13].offset().y(), expected_y);
ASSERT_NEAR(
paragraph->records_[13].offset().x(),
paragraph->width_ -
paragraph->breaker_.getWidths()[paragraph->records_[13].line()],
2.0);
ASSERT_EQ(paragraph_style.text_align,
paragraph->GetParagraphStyle().text_align);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, DISABLE_ON_WINDOWS(CenterAlignParagraph)) {
const char* text =
"This is a very long sentence to test if the text will properly wrap "
"around and go to the next line. Sometimes, short sentence. Longer "
"sentences are okay too because they are nessecary. Very short. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum.";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 14;
paragraph_style.text_align = TextAlign::center;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 26;
text_style.letter_spacing = 1;
text_style.word_spacing = 5;
text_style.color = SK_ColorBLACK;
text_style.height = 1;
text_style.decoration = TextDecoration::kUnderline;
text_style.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth() - 100);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_.size(), paragraph_style.max_lines);
double expected_y = 24;
ASSERT_TRUE(paragraph->records_[0].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[0].offset().y(), expected_y);
expected_y += 30;
ASSERT_NEAR(paragraph->records_[0].offset().x(),
(paragraph->width_ -
paragraph->breaker_.getWidths()[paragraph->records_[0].line()]) /
2,
2.0);
ASSERT_TRUE(paragraph->records_[1].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[1].offset().y(), expected_y);
expected_y += 30;
ASSERT_NEAR(paragraph->records_[1].offset().x(),
(paragraph->width_ -
paragraph->breaker_.getWidths()[paragraph->records_[1].line()]) /
2,
2.0);
ASSERT_TRUE(paragraph->records_[2].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[2].offset().y(), expected_y);
expected_y += 30;
ASSERT_NEAR(paragraph->records_[2].offset().x(),
(paragraph->width_ -
paragraph->breaker_.getWidths()[paragraph->records_[2].line()]) /
2,
2.0);
ASSERT_TRUE(paragraph->records_[3].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[3].offset().y(), expected_y);
expected_y += 30 * 10;
ASSERT_NEAR(paragraph->records_[3].offset().x(),
(paragraph->width_ -
paragraph->breaker_.getWidths()[paragraph->records_[3].line()]) /
2,
2.0);
ASSERT_TRUE(paragraph->records_[13].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[13].offset().y(), expected_y);
ASSERT_NEAR(
paragraph->records_[13].offset().x(),
(paragraph->width_ -
paragraph->breaker_.getWidths()[paragraph->records_[13].line()]) /
2,
2.0);
ASSERT_EQ(paragraph_style.text_align,
paragraph->GetParagraphStyle().text_align);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, DISABLE_ON_WINDOWS(JustifyAlignParagraph)) {
const char* text =
"This is a very long sentence to test if the text will properly wrap "
"around and go to the next line. Sometimes, short sentence. Longer "
"sentences are okay too because they are nessecary. Very short. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
"occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
"mollit anim id est laborum. "
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod "
"tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
"veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
"commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
"velit esse cillum dolore eu fugiat.";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 14;
paragraph_style.text_align = TextAlign::justify;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 26;
text_style.letter_spacing = 0;
text_style.word_spacing = 5;
text_style.color = SK_ColorBLACK;
text_style.height = 1;
text_style.decoration = TextDecoration::kUnderline;
text_style.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth() - 100);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_.size(), paragraph_style.max_lines);
double expected_y = 24;
ASSERT_TRUE(paragraph->records_[0].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[0].offset().y(), expected_y);
expected_y += 30;
ASSERT_DOUBLE_EQ(paragraph->records_[0].offset().x(), 0);
ASSERT_TRUE(paragraph->records_[1].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[1].offset().y(), expected_y);
expected_y += 30;
ASSERT_DOUBLE_EQ(paragraph->records_[1].offset().x(), 0);
ASSERT_TRUE(paragraph->records_[2].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[2].offset().y(), expected_y);
expected_y += 30;
ASSERT_DOUBLE_EQ(paragraph->records_[2].offset().x(), 0);
ASSERT_TRUE(paragraph->records_[3].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[3].offset().y(), expected_y);
expected_y += 30 * 10;
ASSERT_DOUBLE_EQ(paragraph->records_[3].offset().x(), 0);
ASSERT_TRUE(paragraph->records_[13].style().equals(text_style));
ASSERT_DOUBLE_EQ(paragraph->records_[13].offset().y(), expected_y);
ASSERT_DOUBLE_EQ(paragraph->records_[13].offset().x(), 0);
ASSERT_EQ(paragraph_style.text_align,
paragraph->GetParagraphStyle().text_align);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, DecorationsParagraph) {
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 14;
paragraph_style.text_align = TextAlign::left;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 26;
text_style.letter_spacing = 0;
text_style.word_spacing = 5;
text_style.color = SK_ColorBLACK;
text_style.height = 2;
text_style.decoration = TextDecoration::kUnderline |
TextDecoration::kOverline |
TextDecoration::kLineThrough;
text_style.decoration_style = txt::TextDecorationStyle::kSolid;
text_style.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style);
builder.AddText("This text should be");
text_style.decoration_style = txt::TextDecorationStyle::kDouble;
text_style.decoration_color = SK_ColorBLUE;
builder.PushStyle(text_style);
builder.AddText(" decorated even when");
text_style.decoration_style = txt::TextDecorationStyle::kDotted;
text_style.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style);
builder.AddText(" wrapped around to");
text_style.decoration_style = txt::TextDecorationStyle::kDashed;
text_style.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style);
builder.AddText(" the next line.");
text_style.decoration_style = txt::TextDecorationStyle::kWavy;
text_style.decoration_color = SK_ColorRED;
builder.PushStyle(text_style);
builder.AddText(" Otherwise, bad things happen.");
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth() - 100);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->runs_.size(), 5ull);
ASSERT_EQ(paragraph->records_.size(), 6ull);
for (size_t i = 0; i < 6; ++i) {
ASSERT_EQ(paragraph->records_[i].style().decoration,
TextDecoration::kUnderline | TextDecoration::kOverline |
TextDecoration::kLineThrough);
}
ASSERT_EQ(paragraph->records_[0].style().decoration_style,
txt::TextDecorationStyle::kSolid);
ASSERT_EQ(paragraph->records_[1].style().decoration_style,
txt::TextDecorationStyle::kDouble);
ASSERT_EQ(paragraph->records_[2].style().decoration_style,
txt::TextDecorationStyle::kDotted);
ASSERT_EQ(paragraph->records_[3].style().decoration_style,
txt::TextDecorationStyle::kDashed);
ASSERT_EQ(paragraph->records_[4].style().decoration_style,
txt::TextDecorationStyle::kDashed);
ASSERT_EQ(paragraph->records_[5].style().decoration_style,
txt::TextDecorationStyle::kWavy);
ASSERT_EQ(paragraph->records_[0].style().decoration_color, SK_ColorBLACK);
ASSERT_EQ(paragraph->records_[1].style().decoration_color, SK_ColorBLUE);
ASSERT_EQ(paragraph->records_[2].style().decoration_color, SK_ColorBLACK);
ASSERT_EQ(paragraph->records_[3].style().decoration_color, SK_ColorBLACK);
ASSERT_EQ(paragraph->records_[4].style().decoration_color, SK_ColorBLACK);
ASSERT_EQ(paragraph->records_[5].style().decoration_color, SK_ColorRED);
}
TEST_F(ParagraphTest, ItalicsParagraph) {
txt::ParagraphStyle paragraph_style;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.color = SK_ColorRED;
text_style.font_size = 10;
builder.PushStyle(text_style);
builder.AddText("No italic ");
text_style.font_style = txt::FontStyle::italic;
builder.PushStyle(text_style);
builder.AddText("Yes Italic ");
builder.Pop();
builder.AddText("No Italic again.");
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth());
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_EQ(paragraph->runs_.runs_.size(), 3ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 3ull);
ASSERT_EQ(paragraph->records_[1].style().color, text_style.color);
ASSERT_EQ(paragraph->records_[1].style().font_style, txt::FontStyle::italic);
ASSERT_EQ(paragraph->records_[2].style().font_style, txt::FontStyle::normal);
ASSERT_EQ(paragraph->records_[0].style().font_style, txt::FontStyle::normal);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, ChineseParagraph) {
const char* text =
"左線読設重説切後碁給能上目秘使約。満毎冠行来昼本可必図将発確年。今属場育"
"図情闘陰野高備込制詩西校客。審対江置講今固残必託地集済決維駆年策。立得庭"
"際輝求佐抗蒼提夜合逃表。注統天言件自謙雅載報紙喪。作画稿愛器灯女書利変探"
"訃第金線朝開化建。子戦年帝励害表月幕株漠新期刊人秘。図的海力生禁挙保天戦"
"聞条年所在口。";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 14;
paragraph_style.text_align = TextAlign::justify;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.color = SK_ColorBLACK;
text_style.font_size = 35;
text_style.letter_spacing = 2;
text_style.font_family = "Source Han Serif CN";
text_style.decoration = TextDecoration::kUnderline |
TextDecoration::kOverline |
TextDecoration::kLineThrough;
text_style.decoration_style = txt::TextDecorationStyle::kSolid;
text_style.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth() - 100);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_[0].style().color, text_style.color);
ASSERT_EQ(paragraph->records_.size(), 7ull);
ASSERT_TRUE(Snapshot());
}
// TODO(garyq): Support RTL languages.
TEST_F(ParagraphTest, DISABLED_ArabicParagraph) {
const char* text =
"من أسر وإعلان الخاصّة وهولندا،, عل قائمة الضغوط بالمطالبة تلك. الصفحة "
"بمباركة التقليدية قام عن. تصفح";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 14;
paragraph_style.text_align = TextAlign::right;
paragraph_style.text_direction = TextDirection::rtl;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.color = SK_ColorBLACK;
text_style.font_size = 35;
text_style.letter_spacing = 2;
text_style.font_family = "Katibeh";
text_style.decoration = TextDecoration::kUnderline |
TextDecoration::kOverline |
TextDecoration::kLineThrough;
text_style.decoration_style = txt::TextDecorationStyle::kSolid;
text_style.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth() - 100);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_[0].style().color, text_style.color);
ASSERT_EQ(paragraph->records_.size(), 2ull);
ASSERT_EQ(paragraph->paragraph_style_.text_direction, TextDirection::rtl);
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[u16_text.length() - i]);
}
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, GetGlyphPositionAtCoordinateParagraph) {
const char* text =
"12345 67890 12345 67890 12345 67890 12345 67890 12345 67890 12345 "
"67890 12345";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 10;
paragraph_style.text_align = TextAlign::left;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 50;
text_style.letter_spacing = 1;
text_style.word_spacing = 5;
text_style.color = SK_ColorBLACK;
text_style.height = 1.5;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(550);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
// Tests for GetGlyphPositionAtCoordinate()
// NOTE: resulting values can be a few off from their respective positions in
// the original text because the final trailing whitespaces are sometimes not
// drawn (namely, when using "justify" alignment) and therefore are not active
// glyphs.
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(-10000, -10000).position,
0ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(-1, -1).position, 0ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(0, 0).position, 0ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(3, 3).position, 0ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(35, 1).position, 1ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(300, 2).position, 11ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(301, 2.2).position, 11ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(302, 2.6).position, 11ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(301, 2.1).position, 11ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(100000, 20).position,
18ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(450, 20).position, 16ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(100000, 90).position,
36ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(-100000, 90).position,
18ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(20, -80).position, 1ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(1, 90).position, 18ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(1, 180).position, 36ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(10000, 180).position,
54ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(70, 180).position, 38ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(1, 270).position, 54ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(35, 90).position, 19ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(10000, 10000).position,
77ull);
ASSERT_EQ(paragraph->GetGlyphPositionAtCoordinate(85, 10000).position, 75ull);
}
TEST_F(ParagraphTest, DISABLE_ON_WINDOWS(GetRectsForRangeParagraph)) {
const char* text =
"12345, \"67890\" 12345 67890 12345 67890 12345 67890 12345 67890 12345 "
"67890 12345";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 10;
paragraph_style.text_align = TextAlign::left;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 50;
text_style.letter_spacing = 0;
text_style.font_weight = FontWeight::w500;
text_style.word_spacing = 0;
text_style.color = SK_ColorBLACK;
text_style.height = 1;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(550);
paragraph->Paint(GetCanvas(), 0, 0);
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
// Tests for GetRectsForRange()
// NOTE: The base truth values may still need adjustment as the specifics
// are adjusted.
paint.setColor(SK_ColorRED);
std::vector<txt::Paragraph::TextBox> boxes =
paragraph->GetRectsForRange(0, 0);
for (size_t i = 0; i < boxes.size(); ++i) {
GetCanvas()->drawRect(boxes[i].rect, paint);
}
EXPECT_EQ(boxes.size(), 0ull);
boxes = paragraph->GetRectsForRange(0, 1);
for (size_t i = 0; i < boxes.size(); ++i) {
GetCanvas()->drawRect(boxes[i].rect, paint);
}
EXPECT_EQ(boxes.size(), 1ull);
EXPECT_FLOAT_EQ(boxes[0].rect.left(), 0);
EXPECT_FLOAT_EQ(boxes[0].rect.top(), 0.40625);
EXPECT_FLOAT_EQ(boxes[0].rect.right(), 28.417969);
EXPECT_FLOAT_EQ(boxes[0].rect.bottom(), 59);
paint.setColor(SK_ColorBLUE);
boxes = paragraph->GetRectsForRange(2, 8);
for (size_t i = 0; i < boxes.size(); ++i) {
GetCanvas()->drawRect(boxes[i].rect, paint);
}
EXPECT_EQ(boxes.size(), 1ull);
EXPECT_FLOAT_EQ(boxes[0].rect.left(), 56.835938);
EXPECT_FLOAT_EQ(boxes[0].rect.top(), 0.40625);
EXPECT_FLOAT_EQ(boxes[0].rect.right(), 177.97266);
EXPECT_FLOAT_EQ(boxes[0].rect.bottom(), 59);
paint.setColor(SK_ColorGREEN);
boxes = paragraph->GetRectsForRange(8, 21);
for (size_t i = 0; i < boxes.size(); ++i) {
GetCanvas()->drawRect(boxes[i].rect, paint);
}
EXPECT_EQ(boxes.size(), 1ull);
EXPECT_FLOAT_EQ(boxes[0].rect.left(), 177.97266);
EXPECT_FLOAT_EQ(boxes[0].rect.top(), 0.40625);
EXPECT_FLOAT_EQ(boxes[0].rect.right(), 507.02344);
EXPECT_FLOAT_EQ(boxes[0].rect.bottom(), 59);
paint.setColor(SK_ColorRED);
boxes = paragraph->GetRectsForRange(30, 100);
for (size_t i = 0; i < boxes.size(); ++i) {
GetCanvas()->drawRect(boxes[i].rect, paint);
}
EXPECT_EQ(boxes.size(), 4ull);
EXPECT_FLOAT_EQ(boxes[0].rect.left(), 211.375);
EXPECT_FLOAT_EQ(boxes[0].rect.top(), 59.40625);
EXPECT_FLOAT_EQ(boxes[0].rect.right(), 463.61719);
EXPECT_FLOAT_EQ(boxes[0].rect.bottom(), 118);
// TODO(garyq): The following set of vals are definetly wrong and
// end of paragraph handling needs to be fixed in a later patch.
EXPECT_FLOAT_EQ(boxes[3].rect.left(), 0);
EXPECT_FLOAT_EQ(boxes[3].rect.top(), 236.40625);
EXPECT_FLOAT_EQ(boxes[3].rect.right(), 142.08984);
EXPECT_FLOAT_EQ(boxes[3].rect.bottom(), 295);
paint.setColor(SK_ColorBLUE);
boxes = paragraph->GetRectsForRange(19, 22);
for (size_t i = 0; i < boxes.size(); ++i) {
GetCanvas()->drawRect(boxes[i].rect, paint);
}
EXPECT_EQ(boxes.size(), 1ull);
EXPECT_FLOAT_EQ(boxes[0].rect.left(), 450.1875);
EXPECT_FLOAT_EQ(boxes[0].rect.top(), 0.40625);
EXPECT_FLOAT_EQ(boxes[0].rect.right(), 519.47266);
EXPECT_FLOAT_EQ(boxes[0].rect.bottom(), 59);
paint.setColor(SK_ColorRED);
boxes = paragraph->GetRectsForRange(21, 21);
for (size_t i = 0; i < boxes.size(); ++i) {
GetCanvas()->drawRect(boxes[i].rect, paint);
}
EXPECT_EQ(boxes.size(), 0ull);
ASSERT_TRUE(Snapshot());
}
SkRect GetCoordinatesForGlyphPosition(const txt::Paragraph& paragraph,
size_t pos) {
std::vector<txt::Paragraph::TextBox> boxes =
paragraph.GetRectsForRange(pos, pos + 1);
return !boxes.empty() ? boxes.front().rect : SkRect::MakeEmpty();
}
TEST_F(ParagraphTest, GetWordBoundaryParagraph) {
const char* text =
"12345 67890 12345 67890 12345 67890 12345 67890 12345 67890 12345 "
"67890 12345";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 10;
paragraph_style.text_align = TextAlign::left;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 52;
text_style.letter_spacing = 1.19039;
text_style.word_spacing = 5;
text_style.color = SK_ColorBLACK;
text_style.height = 1.5;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(550);
paragraph->Paint(GetCanvas(), 0, 0);
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
paint.setColor(SK_ColorRED);
SkRect rect = GetCoordinatesForGlyphPosition(*paragraph, 0);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
EXPECT_EQ(paragraph->GetWordBoundary(0), txt::Paragraph::Range<size_t>(0, 5));
EXPECT_EQ(paragraph->GetWordBoundary(1), txt::Paragraph::Range<size_t>(0, 5));
EXPECT_EQ(paragraph->GetWordBoundary(2), txt::Paragraph::Range<size_t>(0, 5));
EXPECT_EQ(paragraph->GetWordBoundary(3), txt::Paragraph::Range<size_t>(0, 5));
EXPECT_EQ(paragraph->GetWordBoundary(4), txt::Paragraph::Range<size_t>(0, 5));
rect = GetCoordinatesForGlyphPosition(*paragraph, 5);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
EXPECT_EQ(paragraph->GetWordBoundary(5), txt::Paragraph::Range<size_t>(5, 6));
rect = GetCoordinatesForGlyphPosition(*paragraph, 6);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
EXPECT_EQ(paragraph->GetWordBoundary(6), txt::Paragraph::Range<size_t>(6, 7));
rect = GetCoordinatesForGlyphPosition(*paragraph, 7);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
EXPECT_EQ(paragraph->GetWordBoundary(7),
txt::Paragraph::Range<size_t>(7, 12));
EXPECT_EQ(paragraph->GetWordBoundary(8),
txt::Paragraph::Range<size_t>(7, 12));
EXPECT_EQ(paragraph->GetWordBoundary(9),
txt::Paragraph::Range<size_t>(7, 12));
EXPECT_EQ(paragraph->GetWordBoundary(10),
txt::Paragraph::Range<size_t>(7, 12));
EXPECT_EQ(paragraph->GetWordBoundary(11),
txt::Paragraph::Range<size_t>(7, 12));
rect = GetCoordinatesForGlyphPosition(*paragraph, 12);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
EXPECT_EQ(paragraph->GetWordBoundary(12),
txt::Paragraph::Range<size_t>(12, 13));
rect = GetCoordinatesForGlyphPosition(*paragraph, 13);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
EXPECT_EQ(paragraph->GetWordBoundary(13),
txt::Paragraph::Range<size_t>(13, 18));
rect = GetCoordinatesForGlyphPosition(*paragraph, 18);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
rect = GetCoordinatesForGlyphPosition(*paragraph, 19);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
rect = GetCoordinatesForGlyphPosition(*paragraph, 24);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
rect = GetCoordinatesForGlyphPosition(*paragraph, 25);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
rect = GetCoordinatesForGlyphPosition(*paragraph, 30);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
EXPECT_EQ(paragraph->GetWordBoundary(30),
txt::Paragraph::Range<size_t>(30, 31));
rect = GetCoordinatesForGlyphPosition(*paragraph, 31);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
rect = GetCoordinatesForGlyphPosition(*paragraph, icu_text.length() - 5);
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
EXPECT_EQ(
paragraph->GetWordBoundary(icu_text.length() - 1),
txt::Paragraph::Range<size_t>(icu_text.length() - 5, icu_text.length()));
rect = GetCoordinatesForGlyphPosition(*paragraph, icu_text.length());
GetCanvas()->drawLine(rect.fLeft, rect.fTop, rect.fLeft, rect.fBottom, paint);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, SpacingParagraph) {
const char* text = "H";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 10;
paragraph_style.text_align = TextAlign::left;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 50;
text_style.letter_spacing = 20;
text_style.word_spacing = 0;
text_style.color = SK_ColorBLACK;
text_style.height = 1;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
text_style.font_size = 50;
text_style.letter_spacing = 10;
text_style.word_spacing = 0;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
text_style.font_size = 50;
text_style.letter_spacing = 20;
text_style.word_spacing = 0;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
text_style.font_size = 50;
text_style.letter_spacing = 0;
text_style.word_spacing = 0;
builder.PushStyle(text_style);
builder.AddText("|");
builder.Pop();
text_style.font_size = 50;
text_style.letter_spacing = 0;
text_style.word_spacing = 20;
builder.PushStyle(text_style);
builder.AddText("H ");
builder.Pop();
text_style.font_size = 50;
text_style.letter_spacing = 0;
text_style.word_spacing = 0;
builder.PushStyle(text_style);
builder.AddText("H ");
builder.Pop();
text_style.font_size = 50;
text_style.letter_spacing = 0;
text_style.word_spacing = 20;
builder.PushStyle(text_style);
builder.AddText("H ");
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(550);
paragraph->Paint(GetCanvas(), 0, 0);
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setAntiAlias(true);
paint.setStrokeWidth(1);
paint.setColor(SK_ColorRED);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->records_.size(), 7ull);
ASSERT_EQ(paragraph->records_[0].style().letter_spacing, 20);
ASSERT_EQ(paragraph->records_[1].style().letter_spacing, 10);
ASSERT_EQ(paragraph->records_[2].style().letter_spacing, 20);
ASSERT_EQ(paragraph->records_[4].style().word_spacing, 20);
ASSERT_EQ(paragraph->records_[5].style().word_spacing, 0);
ASSERT_EQ(paragraph->records_[6].style().word_spacing, 20);
}
TEST_F(ParagraphTest, LongWordParagraph) {
const char* text =
"A "
"veryverylongwordtoseewherethiswillwraporifitwillatallandifitdoesthenthat"
"wouldbeagoodthingbecausethebreakingisworking.";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.break_strategy = minikin::kBreakStrategy_HighQuality;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 31;
text_style.letter_spacing = 0;
text_style.word_spacing = 0;
text_style.color = SK_ColorBLACK;
text_style.height = 1;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth() / 2);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_[0].style().color, text_style.color);
ASSERT_EQ(paragraph->GetLineCount(), 4ull);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, KernScaleParagraph) {
float scale = 3.0f;
txt::ParagraphStyle paragraph_style;
paragraph_style.break_strategy = minikin::kBreakStrategy_HighQuality;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Droid Serif";
text_style.font_size = 100 / scale;
text_style.letter_spacing = 0;
text_style.word_spacing = 0;
text_style.color = SK_ColorBLACK;
text_style.height = 1;
builder.PushStyle(text_style);
builder.AddText("AVAVAWAH A0 V0 VA To The Lo");
builder.PushStyle(text_style);
builder.AddText("A");
builder.PushStyle(text_style);
builder.AddText("V");
text_style.font_size = 14 / scale;
builder.PushStyle(text_style);
builder.AddText(
" Dialog Text List lots of words to see if kerning works on a bigger set "
"of characters AVAVAW");
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth() / scale);
GetCanvas()->scale(scale, scale);
paragraph->Paint(GetCanvas(), 0, 0);
GetCanvas()->scale(1.0, 1.0);
ASSERT_TRUE(Snapshot());
EXPECT_DOUBLE_EQ(paragraph->records_[0].offset().x(), 0);
EXPECT_DOUBLE_EQ(paragraph->records_[1].offset().x(), 0);
EXPECT_DOUBLE_EQ(paragraph->records_[2].offset().x(), 207.37109375f);
EXPECT_DOUBLE_EQ(paragraph->records_[3].offset().x(), 230.87109375f);
EXPECT_DOUBLE_EQ(paragraph->records_[4].offset().x(), 253.36328125f);
}
TEST_F(ParagraphTest, DISABLE_ON_WINDOWS(NewlineParagraph)) {
txt::ParagraphStyle paragraph_style;
paragraph_style.font_family = "Roboto";
paragraph_style.break_strategy = minikin::kBreakStrategy_HighQuality;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 60;
text_style.letter_spacing = 0;
text_style.word_spacing = 0;
text_style.color = SK_ColorBLACK;
text_style.height = 1;
builder.PushStyle(text_style);
builder.AddText(
"line1\nline2 test1 test2 test3 test4 test5 test6 test7\nline3\n\nline4 "
"test1 test2 test3 test4");
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth() - 300);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->records_.size(), 6ull);
EXPECT_DOUBLE_EQ(paragraph->records_[0].offset().x(), 0);
EXPECT_DOUBLE_EQ(paragraph->records_[1].offset().x(), 0);
EXPECT_DOUBLE_EQ(paragraph->records_[1].offset().y(), 126);
EXPECT_DOUBLE_EQ(paragraph->records_[2].offset().x(), 0);
EXPECT_DOUBLE_EQ(paragraph->records_[3].offset().x(), 0);
EXPECT_DOUBLE_EQ(paragraph->records_[4].offset().x(), 0);
EXPECT_DOUBLE_EQ(paragraph->records_[3].offset().y(), 266);
EXPECT_DOUBLE_EQ(paragraph->records_[5].offset().x(), 0);
}
TEST_F(ParagraphTest, DISABLE_ON_WINDOWS(EmojiParagraph)) {
const char* text =
"😀😃😄😁😆😅😂🤣☺😇🙂😍😡😟😢😻👽💩👍👎🙏👌👋👄👁👦👼👨‍🚀👨‍🚒🙋‍♂️👳👨‍👨‍👧‍👧\
💼👡👠☂🐶🐰🐻🐼🐷🐒🐵🐔🐧🐦🐋🐟🐡🕸🐌🐴🐊🐄🐪🐘🌸🌏🔥🌟🌚🌝💦💧\
❄🍕🍔🍟🥝🍱🕶🎩🏈⚽🚴‍♀️🎻🎼🎹🚨🚎🚐⚓🛳🚀🚁🏪🏢🖱⏰📱💾💉📉🛏🔑🔓\
📁🗓📊❤💯🚫🔻♠♣🕓❗🏳🏁🏳️‍🌈🇮🇹🇱🇷🇺🇸🇬🇧🇨🇳🇧🇴";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.color = SK_ColorBLACK;
text_style.font_family = "Noto Color Emoji";
text_style.font_size = 50;
text_style.decoration = TextDecoration::kUnderline;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth());
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->records_.size(), 8ull);
EXPECT_EQ(paragraph->records_[0].line(), 0ull);
EXPECT_EQ(paragraph->records_[1].line(), 1ull);
EXPECT_EQ(paragraph->records_[2].line(), 2ull);
EXPECT_EQ(paragraph->records_[3].line(), 3ull);
EXPECT_EQ(paragraph->records_[7].line(), 7ull);
}
TEST_F(ParagraphTest, HyphenBreakParagraph) {
const char* text =
"A "
"very-very-long-Hyphen-word-to-see-where-this-will-wrap-or-if-it-will-at-"
"all-and-if-it-does-thent-hat-"
"would-be-a-good-thing-because-the-breaking.";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.break_strategy = minikin::kBreakStrategy_HighQuality;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 31;
text_style.letter_spacing = 0;
text_style.word_spacing = 0;
text_style.color = SK_ColorBLACK;
text_style.height = 1;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth() / 2);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_[0].style().color, text_style.color);
ASSERT_EQ(paragraph->GetLineCount(), 5ull);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, RepeatLayoutParagraph) {
const char* text =
"Sentence to layout at diff widths to get diff line counts. short words "
"short words short words short words short words short words short words "
"short words short words short words short words short words short words "
"end";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.break_strategy = minikin::kBreakStrategy_HighQuality;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.font_size = 31;
text_style.letter_spacing = 0;
text_style.word_spacing = 0;
text_style.color = SK_ColorBLACK;
text_style.height = 1;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
// First Layout.
auto paragraph = builder.Build();
paragraph->Layout(300);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_[0].style().color, text_style.color);
ASSERT_EQ(paragraph->GetLineCount(), 12ull);
// Second Layout.
SetUp();
paragraph->Layout(600);
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->text_.size(), std::string{text}.length());
for (size_t i = 0; i < u16_text.length(); i++) {
ASSERT_EQ(paragraph->text_[i], u16_text[i]);
}
ASSERT_EQ(paragraph->runs_.runs_.size(), 1ull);
ASSERT_EQ(paragraph->runs_.styles_.size(), 2ull);
ASSERT_TRUE(paragraph->runs_.styles_[1].equals(text_style));
ASSERT_EQ(paragraph->records_[0].style().color, text_style.color);
ASSERT_EQ(paragraph->GetLineCount(), 6ull);
ASSERT_TRUE(Snapshot());
}
TEST_F(ParagraphTest, Ellipsize) {
const char* text =
"This is a very long sentence to test if the text will properly wrap "
"around and go to the next line. Sometimes, short sentence. Longer "
"sentences are okay too because they are nessecary. Very short. ";
auto icu_text = icu::UnicodeString::fromUTF8(text);
std::u16string u16_text(icu_text.getBuffer(),
icu_text.getBuffer() + icu_text.length());
txt::ParagraphStyle paragraph_style;
paragraph_style.ellipsis = u"\u2026";
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style;
text_style.font_family = "Roboto";
text_style.color = SK_ColorBLACK;
builder.PushStyle(text_style);
builder.AddText(u16_text);
builder.Pop();
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth());
paragraph->Paint(GetCanvas(), 0, 0);
ASSERT_TRUE(Snapshot());
// Check that the ellipsizer limited the text to one line and did not wrap
// to a second line.
ASSERT_EQ(paragraph->records_.size(), 1ull);
}
// Test for shifting when identical runs of text are built as multiple runs.
TEST_F(ParagraphTest, UnderlineShiftParagraph) {
const char* text1 = "fluttser ";
auto icu_text1 = icu::UnicodeString::fromUTF8(text1);
std::u16string u16_text1(icu_text1.getBuffer(),
icu_text1.getBuffer() + icu_text1.length());
const char* text2 = "mdje";
auto icu_text2 = icu::UnicodeString::fromUTF8(text2);
std::u16string u16_text2(icu_text2.getBuffer(),
icu_text2.getBuffer() + icu_text2.length());
const char* text3 = "fluttser mdje";
auto icu_text3 = icu::UnicodeString::fromUTF8(text3);
std::u16string u16_text3(icu_text3.getBuffer(),
icu_text3.getBuffer() + icu_text3.length());
// Construct multi-run paragraph.
txt::ParagraphStyle paragraph_style;
paragraph_style.max_lines = 2;
paragraph_style.text_align = TextAlign::left;
txt::ParagraphBuilder builder(paragraph_style, GetTestFontCollection());
txt::TextStyle text_style1;
text_style1.color = SK_ColorBLACK;
text_style1.font_family = "Roboto";
builder.PushStyle(text_style1);
builder.AddText(u16_text1);
txt::TextStyle text_style2;
text_style2.color = SK_ColorBLACK;
text_style2.font_family = "Roboto";
text_style2.decoration = TextDecoration::kUnderline;
text_style2.decoration_color = SK_ColorBLACK;
builder.PushStyle(text_style2);
builder.AddText(u16_text2);
builder.Pop();
// Construct single run paragraph.
txt::ParagraphBuilder builder2(paragraph_style, GetTestFontCollection());
builder2.PushStyle(text_style1);
builder2.AddText(u16_text3);
builder2.Pop();
// Build multi-run paragraph
auto paragraph = builder.Build();
paragraph->Layout(GetTestCanvasWidth());
paragraph->Paint(GetCanvas(), 0, 0);
// Build single-run paragraph
auto paragraph2 = builder2.Build();
paragraph2->Layout(GetTestCanvasWidth());
paragraph2->Paint(GetCanvas(), 0, 25);
ASSERT_TRUE(Snapshot());
ASSERT_EQ(paragraph->records_[0].GetRunWidth() +
paragraph->records_[1].GetRunWidth(),
paragraph2->records_[0].GetRunWidth());
auto rects1 = paragraph->GetRectsForRange(0, 12);
auto rects2 = paragraph2->GetRectsForRange(0, 12);
for (size_t i = 0; i < 12; ++i) {
auto r1 = GetCoordinatesForGlyphPosition(*paragraph, i);
auto r2 = GetCoordinatesForGlyphPosition(*paragraph2, i);
ASSERT_EQ(r1.fLeft, r2.fLeft);
ASSERT_EQ(r1.fRight, r2.fRight);
}
}
} // namespace txt