diff options
author | Bent Bisballe Nyeng <deva@aasimon.org> | 2020-12-29 16:09:43 +0100 |
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committer | Bent Bisballe Nyeng <deva@aasimon.org> | 2020-12-29 16:39:54 +0100 |
commit | 645250e1cd8ce9bc1faea599df7a1b05836bfeb8 (patch) | |
tree | c6311afab3900d2dd2aecbfbe1ac348d0e48c428 /plugingui/font.cc | |
parent | dce64999d3325c5b55499d6ba657066efa48fbff (diff) |
Split UI code into application/plugin UI and UI library.
Diffstat (limited to 'plugingui/font.cc')
-rw-r--r-- | plugingui/font.cc | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/plugingui/font.cc b/plugingui/font.cc deleted file mode 100644 index 0500e81..0000000 --- a/plugingui/font.cc +++ /dev/null @@ -1,136 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/*************************************************************************** - * font.cc - * - * Sat Nov 12 11:13:41 CET 2011 - * Copyright 2011 Bent Bisballe Nyeng - * deva@aasimon.org - ****************************************************************************/ - -/* - * This file is part of DrumGizmo. - * - * DrumGizmo is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * DrumGizmo is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with DrumGizmo; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ -#include "font.h" - -#include <cassert> - -namespace GUI -{ - -Font::Font(const std::string& fontfile) - : img_font(fontfile) -{ - std::size_t px = 0; - std::size_t c; - - for(c = 0; c < characters.size() && px < img_font.width(); ++c) - { - auto& character = characters[c]; - character.offset = px + 1; - - if(c > 0) - { - assert(character.offset >= characters[c - 1].offset); - characters[c - 1].width = character.offset - characters[c - 1].offset; - if(characters[c].offset != characters[c - 1].offset) - { - --characters[c - 1].width; - } - } - - ++px; - - while(px < img_font.width()) - { - auto& pixel = img_font.getPixel(px, 0); - - // Find next purple pixel in top row: - if((pixel.red() == 255) && (pixel.green() == 0) && - (pixel.blue() == 255) && (pixel.alpha() == 255)) - { - break; - } - - ++px; - } - - characters[c] = character; - } - - --c; - - assert(characters[c].offset >= characters[c - 1].offset); - characters[c - 1].width = characters[c].offset - characters[c - 1].offset; - if(characters[c].offset != characters[c - 1].offset) - { - --characters[c - 1].width; - } -} - -size_t Font::textWidth(const std::string& text) const -{ - size_t len = 0; - - for(unsigned char cha : text) - { - auto& character = characters[cha]; - len += character.width + spacing + character.post_bias; - } - - return len; -} - -size_t Font::textHeight(const std::string& text) const -{ - return img_font.height(); -} - -void Font::setLetterSpacing(int letterSpacing) -{ - spacing = letterSpacing; -} - -int Font::letterSpacing() const -{ - return spacing; -} - -PixelBufferAlpha *Font::render(const std::string& text) const -{ - PixelBufferAlpha *pb = - new PixelBufferAlpha(textWidth(text), textHeight(text)); - - int x_offset = 0; - for(std::size_t i = 0; i < text.length(); ++i) - { - unsigned char cha = text[i]; - auto& character = characters.at(cha); - for(size_t x = 0; x < character.width; ++x) - { - for(size_t y = 0; y < img_font.height(); ++y) - { - auto& c = img_font.getPixel(x + character.offset, y); - pb->setPixel(x + x_offset + character.pre_bias, y, c); - } - } - x_offset += character.width + spacing + character.post_bias; - } - - return pb; -} - -} // GUI:: |