From 24bb55371a5d8d81b23521ebdfcde68f0035697c Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sun, 20 Sep 2015 11:36:22 +0200
Subject: Basic project based on DrumGizmo.

---
 plugingui/font.cc | 131 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 plugingui/font.cc

(limited to 'plugingui/font.cc')

diff --git a/plugingui/font.cc b/plugingui/font.cc
new file mode 100644
index 0000000..828286c
--- /dev/null
+++ b/plugingui/font.cc
@@ -0,0 +1,131 @@
+/* -*- 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 General Public License as published by
+ *  the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU 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"
+
+#ifdef X11
+#include <X11/Xlib.h>
+#endif/*X11*/
+
+GUI::Font::Font(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;
+}
+
+std::string GUI::Font::face()
+{
+  return "";//face;
+}
+
+void GUI::Font::setSize(size_t points)
+{
+  points = points;
+}
+
+size_t GUI::Font::size()
+{
+  return 0;
+}
+
+size_t GUI::Font::textWidth(std::string text)
+{
+  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];
+  }
+
+  return len;
+}
+
+size_t GUI::Font::textHeight(std::string text)
+{
+  return img_font.height();
+}
+
+GUI::PixelBufferAlpha *GUI::Font::render(std::string text)
+{
+  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;
+}
+
+#ifdef TEST_FONT
+//deps:
+//cflags:
+//libs:
+#include "test.h"
+
+TEST_BEGIN;
+
+// TODO: Put some testcode here (see test.h for usable macros).
+
+TEST_END;
+
+#endif/*TEST_FONT*/
-- 
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