diff options
Diffstat (limited to 'plugingui/font.cc')
| -rw-r--r-- | plugingui/font.cc | 160 |
1 files changed, 77 insertions, 83 deletions
diff --git a/plugingui/font.cc b/plugingui/font.cc index f96bd95..d02efe7 100644 --- a/plugingui/font.cc +++ b/plugingui/font.cc @@ -26,106 +26,100 @@ */ #include "font.h" -#ifdef X11 -#include <X11/Xlib.h> -#endif/*X11*/ +namespace GUI { -GUI::Font::Font(std::string fontfile) - : img_font(fontfile) +Font::Font(const std::string& fontfile) + : img_font(fontfile) { - int px = 0; - int c; - for(c = 0; c < 255 && px < (int)img_font.width(); c++) { - character_offset[c] = px + 1; - character_pre_bias[c] = 0; - character_post_bias[c] = 0; - if(c > 0) { - character_width[c - 1] = - character_offset[c] - character_offset[c - 1] - 1; - } - px++; - GUI::Colour c; - while(px < (int)img_font.width()) { - c = img_font.getPixel(px, 0); - // Find next purple pixel in top row: - if(c.red == 1 && c.green == 0 && c.blue == 1 && c.alpha == 1) break; - px++; - } - } - c++; - character_width[c - 1] = character_offset[c] - character_offset[c - 1] - 1; -} - -void GUI::Font::setFace(std::string face) -{ - face = face; -} + size_t px = 0; + size_t c; -std::string GUI::Font::face() -{ - return "";//face; -} + for(c = 0; c < characters.size() && px < img_font.width(); ++c) + { + auto& character = characters[c]; + character.offset = px + 1; -void GUI::Font::setSize(size_t points) -{ - (void)points; -} + if(c > 0) + { + characters[c - 1].width = + character.offset - characters[c - 1].offset - 1; + } -size_t GUI::Font::size() -{ - return 0; + ++px; + + Colour pixel; + while(px < img_font.width()) + { + pixel = img_font.getPixel(px, 0); + + // Find next purple pixel in top row: + if((pixel.red == 1) && (pixel.green == 0) && + (pixel.blue == 1) && (pixel.alpha == 1)) + { + break; + } + + ++px; + } + + characters[c] = character; + } + + ++c; + + characters[c - 1].width = characters[c].offset - characters[c - 1].offset - 1; } -size_t GUI::Font::textWidth(std::string text) +size_t Font::textWidth(const std::string& text) const { - size_t len = 0; + size_t len = 0; - for(size_t i = 0; i < text.length(); i++) { - unsigned int cha = text[i]; - len += character_width[(char)cha] + 1 + character_post_bias[(char)cha]; - } + for(auto cha : text) + { + auto& character = characters[cha]; + len += character.width + spacing + character.post_bias; + } - return len; + return len; } -size_t GUI::Font::textHeight(std::string text) +size_t Font::textHeight(const std::string& text) const { - return img_font.height(); + return img_font.height(); } -GUI::PixelBufferAlpha *GUI::Font::render(std::string text) +void Font::setLetterSpacing(int letter_spacing) { - int border = 1; - PixelBufferAlpha *pb = - new PixelBufferAlpha(textWidth(text), textHeight(text)); - - int x_offset = 0; - for(size_t i = 0; i < text.length(); i++) { - unsigned int cha = text[i]; - for(size_t x = 0; x < character_width[(char)cha]; x++) { - for(size_t y = 0; y < img_font.height(); y++) { - Colour c = img_font.getPixel(x + (character_offset[(char)cha]), y); - pb->setPixel(x + x_offset + character_pre_bias[(char)cha], y, - c.red * 255, c.green * 255, c.blue * 255, c.alpha * 255); - } - } - x_offset += character_width[(char)cha] + border + - character_post_bias[(char)cha]; - } - - return pb; + spacing = letter_spacing; } -#ifdef TEST_FONT -//deps: -//cflags: -//libs: -#include "test.h" - -TEST_BEGIN; - -// TODO: Put some testcode here (see test.h for usable macros). +int Font::letterSpacing() const +{ + return spacing; +} -TEST_END; +PixelBufferAlpha *Font::render(const std::string& text) const +{ + PixelBufferAlpha *pb = + new PixelBufferAlpha(textWidth(text), textHeight(text)); + + int x_offset = 0; + for(auto cha : text) + { + auto& character = characters[cha]; + for(size_t x = 0; x < character.width; ++x) + { + for(size_t y = 0; y < img_font.height(); ++y) + { + Colour c = img_font.getPixel(x + character.offset, y); + pb->setPixel(x + x_offset + character.pre_bias, y, + c.red * 255, c.green * 255, c.blue * 255, c.alpha * 255); + } + } + x_offset += character.width + spacing + character.post_bias; + } + + return pb; +} -#endif/*TEST_FONT*/ +} // GUI:: |