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Merge branch 'feature/strikethrough'

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This commit is contained in:
Lukas Dürrenberger 2014-08-19 23:02:21 +02:00
commit ef1b9d6b20
2 changed files with 42 additions and 6 deletions
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35
src/SFML/Graphics/Text.cpp
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@ -260,10 +260,17 @@ void Text::ensureGeometryUpdate() const
// Compute values related to the text style
bool bold = (m_style & Bold) != 0;
bool underlined = (m_style & Underlined) != 0;
bool strikeThrough = (m_style & StrikeThrough) != 0;
float italic = (m_style & Italic) ? 0.208f : 0.f; // 12 degrees
float underlineOffset = static_cast<float>(m_font->getUnderlinePosition(m_characterSize));
float underlineThickness = static_cast<float>(m_font->getUnderlineThickness(m_characterSize));
// Compute the location of the strike through dynamically
// We use the center point of the lowercase 'x' glyph as the reference
// We reuse the underline thickness as the thickness of the strike through as well
IntRect xBounds = m_font->getGlyph(L'x', m_characterSize, bold).bounds;
float strikeThroughOffset = static_cast<float>(xBounds.top) + static_cast<float>(xBounds.height) / 2.f;
// Precompute the variables needed by the algorithm
float hspace = static_cast<float>(m_font->getGlyph(L' ', m_characterSize, bold).advance);
float vspace = static_cast<float>(m_font->getLineSpacing(m_characterSize));
@ -298,6 +305,20 @@ void Text::ensureGeometryUpdate() const
m_vertices.append(Vertex(Vector2f(x, bottom), m_color, Vector2f(1, 1)));
}
// If we're using the strike through style and there's a new line, draw a line across all characters
if (strikeThrough && (curChar == L'\n'))
{
float top = y + strikeThroughOffset;
float bottom = top + underlineThickness;
m_vertices.append(Vertex(Vector2f(0, top), m_color, Vector2f(1, 1)));
m_vertices.append(Vertex(Vector2f(x, top), m_color, Vector2f(1, 1)));
m_vertices.append(Vertex(Vector2f(0, bottom), m_color, Vector2f(1, 1)));
m_vertices.append(Vertex(Vector2f(0, bottom), m_color, Vector2f(1, 1)));
m_vertices.append(Vertex(Vector2f(x, top), m_color, Vector2f(1, 1)));
m_vertices.append(Vertex(Vector2f(x, bottom), m_color, Vector2f(1, 1)));
}
// Handle special characters
if ((curChar == ' ') || (curChar == '\t') || (curChar == '\n'))
{
@ -365,6 +386,20 @@ void Text::ensureGeometryUpdate() const
m_vertices.append(Vertex(Vector2f(x, bottom), m_color, Vector2f(1, 1)));
}
// If we're using the strike through style, add the last line across all characters
if (strikeThrough)
{
float top = y + strikeThroughOffset;
float bottom = top + underlineThickness;
m_vertices.append(Vertex(Vector2f(0, top), m_color, Vector2f(1, 1)));
m_vertices.append(Vertex(Vector2f(x, top), m_color, Vector2f(1, 1)));
m_vertices.append(Vertex(Vector2f(0, bottom), m_color, Vector2f(1, 1)));
m_vertices.append(Vertex(Vector2f(0, bottom), m_color, Vector2f(1, 1)));
m_vertices.append(Vertex(Vector2f(x, top), m_color, Vector2f(1, 1)));
m_vertices.append(Vertex(Vector2f(x, bottom), m_color, Vector2f(1, 1)));
}
// Update the bounding rectangle
m_bounds.left = minX;
m_bounds.top = minY;