END_TEST;
}
+int UtcDaliToolkitTextEditorRelativeLineHeight(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline(" UtcDaliToolkitTextEditorRelativeLineHeight");
+
+ TextEditor editor = TextEditor::New();
+ editor.SetProperty(Actor::Property::SIZE, Vector2(200.0f, 300.f));
+ editor.SetProperty(TextEditor::Property::POINT_SIZE, 10);
+ editor.SetProperty(TextEditor::Property::TEXT, "Hello\nWorld");
+
+ application.GetScene().Add(editor);
+ application.SendNotification();
+ application.Render();
+
+ Vector3 naturalSize = editor.GetNaturalSize();
+
+ editor.SetProperty(DevelTextEditor::Property::RELATIVE_LINE_SIZE, 0.5f);
+
+ application.SendNotification();
+ application.Render();
+
+ Vector3 relativeNaturalSize = editor.GetNaturalSize();
+
+ DALI_TEST_EQUALS(naturalSize.y, relativeNaturalSize.y * 2, TEST_LOCATION);
+
+ editor.SetProperty(DevelTextEditor::Property::RELATIVE_LINE_SIZE, 2.0f);
+
+ application.SendNotification();
+ application.Render();
+
+ relativeNaturalSize = editor.GetNaturalSize();
+
+ DALI_TEST_EQUALS(naturalSize.y * 2, relativeNaturalSize.y, TEST_LOCATION);
+ END_TEST;
+}
+
int UtcDaliTextEditorCharacterSpacing(void)
{
ToolkitTestApplication application;
END_TEST;
}
+ int UtcDaliTextEditorTextSizeNegativeLineSpacing(void)
+ {
+ ToolkitTestApplication application;
+ tet_infoline("UtcDaliTextEditorTextSizeNegativeLineSpacing");
+
+ TextEditor editor = TextEditor::New();
+
+ float lineSpacing = -20.f;
+
+ editor.SetProperty(Actor::Property::SIZE, Vector2(450.0f, 300.f));
+ editor.SetProperty(TextEditor::Property::POINT_SIZE, 10.f);
+ editor.SetProperty(DevelTextEditor::Property::LINE_SPACING, lineSpacing);
+ editor.SetProperty(TextEditor::Property::TEXT, "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.");
+
+ application.GetScene().Add(editor);
+ application.SendNotification();
+ application.Render();
+
+ Vector<Vector2> positionsList = DevelTextEditor::GetTextPosition(editor, 0, 123);
+ Vector<Vector2> sizeList = DevelTextEditor::GetTextSize(editor, 0, 123);
+
+ Vector2 lastLinePos = positionsList[positionsList.Size() - 1];
+ Vector2 lastLineSize = sizeList[sizeList.Size() - 1];
+
+ DALI_TEST_EQUALS(sizeList[0].y * (sizeList.Size() - 1), lastLinePos.y, Math::MACHINE_EPSILON_1000, TEST_LOCATION);
+ DALI_TEST_EQUALS(sizeList[0].y - lineSpacing, lastLineSize.y, Math::MACHINE_EPSILON_1000, TEST_LOCATION);
+
+ application.SendNotification();
+ application.Render();
+
+ END_TEST;
+ }
+
int UtcDaliToolkitTexteditorParagraphTag(void)
{
ToolkitTestApplication application;
END_TEST;
}
+int UtcDaliToolkitTextLabelRelativeLineHeight(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline(" UtcDaliToolkitTextLabelRelativeLineHeight");
+
+ TextLabel label = TextLabel::New();
+ label.SetProperty(Actor::Property::SIZE, Vector2(200.0f, 300.f));
+ label.SetProperty(TextLabel::Property::POINT_SIZE, 10);
+ label.SetProperty(TextLabel::Property::TEXT, "Hello\nWorld");
+
+ application.GetScene().Add(label);
+ application.SendNotification();
+ application.Render();
+
+ Vector3 naturalSize = label.GetNaturalSize();
+
+ label.SetProperty(DevelTextLabel::Property::RELATIVE_LINE_SIZE, 0.5f);
+
+ application.SendNotification();
+ application.Render();
+
+ Vector3 relativeNaturalSize = label.GetNaturalSize();
+
+ DALI_TEST_EQUALS(naturalSize.y, relativeNaturalSize.y * 2, TEST_LOCATION);
+
+ label.SetProperty(DevelTextLabel::Property::RELATIVE_LINE_SIZE, 2.0f);
+
+ application.SendNotification();
+ application.Render();
+
+ relativeNaturalSize = label.GetNaturalSize();
+
+ DALI_TEST_EQUALS(naturalSize.y * 2, relativeNaturalSize.y, TEST_LOCATION);
+ END_TEST;
+}
+
int UtcDaliTextLabelCharacterSpacing(void)
{
ToolkitTestApplication application;
END_TEST;
}
+ int UtcDaliTextTextLabelSizeNegativeLineSpacing(void)
+ {
+ ToolkitTestApplication application;
+ tet_infoline("UtcDaliTextTextLabelSizeNegativeLineSpacing");
+
+ TextLabel label = TextLabel::New();
+
+ float lineSpacing = -20.f;
+
+ label.SetProperty(Actor::Property::SIZE, Vector2(450.0f, 300.f));
+ label.SetProperty(TextLabel::Property::POINT_SIZE, 10.f);
+ label.SetProperty(DevelTextLabel::Property::LINE_SPACING, lineSpacing);
+ label.SetProperty(TextLabel::Property::MULTI_LINE, true);
+ label.SetProperty(TextLabel::Property::TEXT, "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.");
+
+ application.GetScene().Add(label);
+ application.SendNotification();
+ application.Render();
+
+ Vector<Vector2> positionsList = DevelTextLabel::GetTextPosition(label, 0, 123);
+ Vector<Vector2> sizeList = DevelTextLabel::GetTextSize(label, 0, 123);
+
+ Vector2 lastLinePos = positionsList[positionsList.Size() - 1];
+ Vector2 lastLineSize = sizeList[sizeList.Size() - 1];
+
+ DALI_TEST_EQUALS(sizeList[0].y * (sizeList.Size() - 1), lastLinePos.y, Math::MACHINE_EPSILON_1000, TEST_LOCATION);
+ DALI_TEST_EQUALS(sizeList[0].y - lineSpacing, lastLineSize.y, Math::MACHINE_EPSILON_1000, TEST_LOCATION);
+
+ application.SendNotification();
+ application.Render();
+
+ END_TEST;
+ }
+
int UtcDaliToolkitTextlabelParagraphTag(void)
{
ToolkitTestApplication application;
{
namespace Text
{
- float GetLineHeight(const LineRun lineRun)
+ float GetLineHeight(const LineRun lineRun, bool isLastLine)
{
// The line height is the addition of the line ascender, the line descender and the line spacing.
// However, the line descender has a negative value, hence the subtraction.
- return lineRun.ascender - lineRun.descender + lineRun.lineSpacing;
+ // In case this is the only/last line then line spacing should be ignored.
+ float lineHeight = lineRun.ascender - lineRun.descender;
+
+ if(!isLastLine || lineRun.lineSpacing > 0)
+ {
+ lineHeight += lineRun.lineSpacing;
+ }
+ return lineHeight;
}
namespace Layout
Debug::Filter* gLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_LAYOUT");
#endif
-const float MAX_FLOAT = std::numeric_limits<float>::max();
-const CharacterDirection LTR = false;
-const CharacterDirection RTL = !LTR;
-const float LINE_SPACING = 0.f;
-const float MIN_LINE_SIZE = 0.f;
-const Character HYPHEN_UNICODE = 0x002D;
+const float MAX_FLOAT = std::numeric_limits<float>::max();
+const CharacterDirection LTR = false;
+const CharacterDirection RTL = !LTR;
+const float LINE_SPACING = 0.f;
+const float MIN_LINE_SIZE = 0.f;
+const Character HYPHEN_UNICODE = 0x002D;
+const float RELATIVE_LINE_SIZE = 1.f;
inline bool isEmptyLineAtLast(const Vector<LineRun>& lines, const Vector<LineRun>::Iterator& line)
{
: mLayout{Layout::Engine::SINGLE_LINE_BOX},
mCursorWidth{0.f},
mDefaultLineSpacing{LINE_SPACING},
- mDefaultLineSize{MIN_LINE_SIZE}
+ mDefaultLineSize{MIN_LINE_SIZE},
+ mRelativeLineSize{RELATIVE_LINE_SIZE}
{
}
/**
+ * @brief get the line spacing.
+ *
+ * @param[in] textSize The text size.
+ * @return the line spacing value.
+ */
+ float GetLineSpacing(float textSize)
+ {
+ float lineSpacing;
+ float relTextSize;
+
+ // Sets the line size
+ lineSpacing = mDefaultLineSize - textSize;
+ lineSpacing = lineSpacing < 0.f ? 0.f : lineSpacing;
+
+ // Add the line spacing
+ lineSpacing += mDefaultLineSpacing;
+
+ //subtract line spcaing if relativeLineSize < 1 & larger than min height
+ relTextSize = textSize * mRelativeLineSize;
+ if(relTextSize > mDefaultLineSize)
+ {
+ if(mRelativeLineSize < 1)
+ {
+ //subtract the difference (always will be positive)
+ lineSpacing -= (textSize - relTextSize);
+ }
+ else
+ {
+ //reverse the addition in the top.
+ if(mDefaultLineSize > textSize)
+ {
+ lineSpacing -= mDefaultLineSize - textSize;
+ }
+
+ //add difference instead
+ lineSpacing += relTextSize - textSize;
+ }
+ }
+
+ return lineSpacing;
+ }
+
+ /**
* @brief Updates the line ascender and descender with the metrics of a new font.
*
* @param[in] glyphMetrics The metrics of the new font.
// Sets the minimum descender.
lineLayout.descender = std::min(lineLayout.descender, fontMetrics.descender);
- // Sets the line size
- lineLayout.lineSpacing = mDefaultLineSize - (lineLayout.ascender + -lineLayout.descender);
- lineLayout.lineSpacing = lineLayout.lineSpacing < 0.f ? 0.f : lineLayout.lineSpacing;
-
- // Add the line spacing
- lineLayout.lineSpacing += mDefaultLineSpacing;
+ lineLayout.lineSpacing = GetLineSpacing(lineLayout.ascender + -lineLayout.descender);
}
/**
layoutSize.width = layoutParameters.boundingBox.width;
if(layoutSize.height < Math::MACHINE_EPSILON_1000)
{
- layoutSize.height += GetLineHeight(*lineRun);
+ layoutSize.height += GetLineHeight(*lineRun, true);
}
const Vector<BidirectionalLineInfoRun>& bidirectionalLinesInfo = layoutParameters.textModel->mLogicalModel->mBidirectionalLineInfo;
lineRun.direction = layout.direction;
lineRun.ellipsis = false;
- lineRun.lineSpacing = mDefaultLineSize - (lineRun.ascender + -lineRun.descender);
- lineRun.lineSpacing = lineRun.lineSpacing < 0.f ? 0.f : lineRun.lineSpacing;
-
- lineRun.lineSpacing += mDefaultLineSpacing;
+ lineRun.lineSpacing = GetLineSpacing(lineRun.ascender + -lineRun.descender);
// Update the actual size.
if(lineRun.width > layoutSize.width)
layoutSize.width = lineRun.width;
}
- layoutSize.height += GetLineHeight(lineRun);
+ layoutSize.height += GetLineHeight(lineRun, isLastLine);
}
/**
lineRun.direction = LTR;
lineRun.ellipsis = false;
- lineRun.lineSpacing = mDefaultLineSize - (lineRun.ascender + -lineRun.descender);
- lineRun.lineSpacing = lineRun.lineSpacing < 0.f ? 0.f : lineRun.lineSpacing;
-
- lineRun.lineSpacing += mDefaultLineSpacing;
+ lineRun.lineSpacing = GetLineSpacing(lineRun.ascender + -lineRun.descender);
- layoutSize.height += GetLineHeight(lineRun);
+ layoutSize.height += GetLineHeight(lineRun, true);
}
/**
it != endIt;
++it)
{
- const LineRun& line = *it;
+ const LineRun& line = *it;
+ bool isLastLine = (it + 1 == endIt);
if(line.width > layoutSize.width)
{
layoutSize.width = line.width;
}
- layoutSize.height += GetLineHeight(line);
+ layoutSize.height += GetLineHeight(line, isLastLine);
}
}
}
// Updates the vertical pen's position.
- penY += -layout.descender + layout.lineSpacing + mDefaultLineSpacing;
- // If there is a defaultLineSize, updates the pen's position.
- if(mDefaultLineSize > 0.f)
- {
- float lineSpacing = mDefaultLineSize - (layout.ascender + -layout.descender);
- lineSpacing = lineSpacing < 0.f ? 0.f : lineSpacing;
- penY += lineSpacing;
- }
+ penY += -layout.descender + layout.lineSpacing + GetLineSpacing(layout.ascender + -layout.descender);
// Increase the glyph index.
index = nextIndex;
float mDefaultLineSize;
IntrusivePtr<Metrics> mMetrics;
+ float mRelativeLineSize;
};
Engine::Engine()
return mImpl->mDefaultLineSize;
}
+void Engine::SetRelativeLineSize(float relativeLineSize)
+{
+ mImpl->mRelativeLineSize = relativeLineSize;
+}
+
+float Engine::GetRelativeLineSize() const
+{
+ return mImpl->mRelativeLineSize;
+}
+
} // namespace Layout
} // namespace Text
projects / platform / core / uifw / dali-toolkit.git / commitdiff