From 70c0be5b2cfb3b9cfe86d5a6e6624e28fb845453 Mon Sep 17 00:00:00 2001 From: Ekaitz Zarraga Date: Tue, 13 Dec 2022 13:29:06 +0100 Subject: Move text to a separate file --- src/graphics/text.cpp | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/graphics/text.cpp (limited to 'src/graphics/text.cpp') diff --git a/src/graphics/text.cpp b/src/graphics/text.cpp new file mode 100644 index 0000000..82b8811 --- /dev/null +++ b/src/graphics/text.cpp @@ -0,0 +1,37 @@ +#include "text.h" + +using namespace Graphics; + +Text::Text(TextureFont &font, const std::string &text) + : font_(font) + , text_(text) + , vertices_(sf::Quads, text.size()*4) +{ + unsigned int length = vertices_.getVertexCount(); + sf::Vector2f glyphSize = font_.getGlyphSize(); + // TODO: this is the simplest rendering way: everything in one line + // we should improve this to make it handle newlines or max witdths + for(unsigned int i=0; i < length; i=i+4){ + vertices_[i+0].position = sf::Vector2f(glyphSize.x * i/4, 0); + vertices_[i+1].position = sf::Vector2f(glyphSize.x * (i/4 + 1), 0); + vertices_[i+2].position = sf::Vector2f(glyphSize.x * (i/4 + 1), glyphSize.y); + vertices_[i+3].position = sf::Vector2f(glyphSize.x * i/4, glyphSize.y); + + std::array glyph = font_.getGlyphMapping(text_[i/4]); + + vertices_[i+0].texCoords = glyph[0]; + vertices_[i+1].texCoords = glyph[1]; + vertices_[i+2].texCoords = glyph[2]; + vertices_[i+3].texCoords = glyph[3]; + } +} + +void Text::draw(sf::RenderTarget& target, sf::RenderStates states) const +{ + // TODO: only repaint if needed: when repainting is needed + // vertices_.clear() and fun + states.transform *= getTransform(); + states.texture = font_.getTexture(); + // you may also override states.shader or states.blendMode if you want + target.draw(vertices_, states); +} -- cgit v1.2.3