157 lines
No EOL
2.9 KiB
C++
157 lines
No EOL
2.9 KiB
C++
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#include <Spectre/Math/Vector4.h>
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#include <Spectre/Graphics/Text.h>
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Text::Text() :
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m_font (NULL),
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m_color (255, 255, 255, 255),
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m_outlineColor (0, 0, 0, 255),
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m_outlineWidth (0)
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{
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}
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Text::Text(const std::string text, const Font& font) :
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m_font (&font),
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m_string (text),
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m_color (255, 255, 255, 255),
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m_outlineColor (0, 0, 0, 255),
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m_outlineWidth (0),
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m_geometryNeedsUpdate (true)
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{
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}
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void Text::setString(const std::string& string)
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{
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m_string = string;
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m_geometryNeedsUpdate = true;
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}
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const std::string& Text::getString() const
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{
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return m_string;
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}
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void Text::setFont(const Font& font)
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{
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m_font = &font;
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m_geometryNeedsUpdate = true;
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}
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const Font* Text::getFont() const
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{
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return m_font;
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}
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void Text::setColor(const Color& color)
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{
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m_color = color;
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m_geometryNeedsUpdate = true;
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}
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const Color& Text::getColor() const
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{
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return m_color;
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}
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void Text::setOutlineColor(const Color& color)
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{
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m_outlineColor = color;
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}
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const Color& Text::getOutlineColor() const
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{
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return m_outlineColor;
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}
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void Text::setOutlineSize(unsigned int size)
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{
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m_outlineWidth = size;
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}
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unsigned int Text::getOutlineSize() const
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{
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return m_outlineWidth;
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}
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Vector2f Text::getSize() const
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{
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Vector2f size;
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for(int i = 0; i < m_string.size(); i++) {
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Font::Glyph glyph = m_font->getGlyph(m_string[i]);
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float h = glyph.size.y;
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float w = glyph.advance;
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if (h > size.y) {
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size.y = h;
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}
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size.x += w;
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}
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return size;
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}
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const Texture* Text::getTexture() const
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{
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if (m_geometryNeedsUpdate) {
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updateGeometry();
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m_geometryNeedsUpdate = false;
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}
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return m_font->getTexture();
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}
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const std::vector<unsigned short>& Text::getIndices() const
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{
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return m_indicies;
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}
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const std::vector<Vertex2D>& Text::getVertices() const
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{
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if (m_geometryNeedsUpdate) {
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updateGeometry();
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m_geometryNeedsUpdate = false;
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}
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return m_vertices;
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}
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void Text::updateGeometry() const
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{
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Vector2f origin;
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Vector2f size = getSize();
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Vector4f color = getColor().toRGBAf();
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m_vertices.clear();
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for(int i = 0; i < m_string.length(); i++) {
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Vertex2D v1, v2, v3, v4;
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Font::Glyph glyph = m_font->getGlyph(m_string[i]);
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if (glyph.texture) {
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Vector2f vpos = origin + vec2f(glyph.offset.x, size.y - glyph.offset.y);
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Vertex2D v1 = Vertex2D(vpos + vec2f( 0.0f, 0.0f), vec2f(glyph.texture_origin.x, glyph.texture_origin.y));
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Vertex2D v2 = Vertex2D(vpos + vec2f( glyph.size.x, 0.0f), vec2f(glyph.texture_origin.x + glyph.size.x, glyph.texture_origin.y));
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Vertex2D v3 = Vertex2D(vpos + vec2f( glyph.size.x, glyph.size.y), vec2f(glyph.texture_origin.x + glyph.size.x, glyph.texture_origin.y + glyph.size.y));
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Vertex2D v4 = Vertex2D(vpos + vec2f( 0.0f, glyph.size.y), vec2f(glyph.texture_origin.x, glyph.texture_origin.y + glyph.size.y));
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v1.color = color;
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v2.color = color;
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v3.color = color;
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v4.color = color;
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m_vertices.push_back(v1);
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m_vertices.push_back(v2);
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m_vertices.push_back(v3);
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m_vertices.push_back(v4);
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}
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origin.x += glyph.advance;
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}
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int x = 0;
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} |