From 9640339f2e9dc126406f6b6f8a091b924898b4f5 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Sun, 25 Sep 2005 20:59:02 +0000
Subject: *** empty log message ***

---
 src/yuv_draw.cc | 198 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 198 insertions(+)
 create mode 100644 src/yuv_draw.cc

(limited to 'src/yuv_draw.cc')

diff --git a/src/yuv_draw.cc b/src/yuv_draw.cc
new file mode 100644
index 0000000..30427b3
--- /dev/null
+++ b/src/yuv_draw.cc
@@ -0,0 +1,198 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            yuv_draw.cc
+ *
+ *  Thu Sep 22 12:35:28 CEST 2005
+ *  Copyright  2005 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of MIaV.
+ *
+ *  MIaV 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.
+ *
+ *  MIaV 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 MIaV; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "config.h"
+#include "yuv_draw.h"
+
+// for miav_app
+#include "miav.h"
+
+//#include "font.h"
+#include <string.h>
+
+#define TEXT_MARGIN 10
+
+YUVDraw::YUVDraw()
+{
+  overlay = NULL;
+
+  // One line of text!
+  top_pixmap = new QPixmap(720 - TEXT_MARGIN, 20);
+  bottom_pixmap = new QPixmap(720 - TEXT_MARGIN, 20);
+
+  for(int x = 0; x < 720 - TEXT_MARGIN; x++) {
+    for(int y = 0; y < 20; y++) {
+      top_grey[x][y] = 255;
+    }
+  }
+
+  for(int x = 0; x < 720 - TEXT_MARGIN; x++) {
+    for(int y = 0; y < 20; y++) {
+      bottom_grey[x][y] = 255;
+    }
+  }
+
+}
+
+YUVDraw::~YUVDraw()
+{
+  delete top_pixmap;
+  delete bottom_pixmap;
+}
+
+void YUVDraw::setOverlay(SDL_Overlay* o)
+{
+  overlay = o;
+}
+
+void YUVDraw::addPixel(int x, int y, int val)
+{
+  if(overlay->w < x) return; // Out of range
+  if(overlay->h < y) return; // Out of range
+
+  Uint8 **pixels = overlay->pixels;
+  Uint16 *pitches = overlay->pitches;
+
+  Uint8* pixel = &pixels[0][(2 * x) + (y * pitches[0])];
+
+  if(val > 0) *pixel = (255<*pixel+val?255:*pixel+val);
+  else *pixel = (0>*pixel+val?0:*pixel+val);
+}
+
+
+void YUVDraw::setTopText(char* text)
+{
+  miav_app->lock();
+  top_pixmap->fill();
+
+	QPainter painter;
+	painter.begin(top_pixmap);
+	painter.setFont( QFont( "Arial", 12, QFont::Bold ) );
+	painter.setPen( Qt::black );
+	painter.drawText(0, 15, text);
+	painter.end();
+
+  QImage image = top_pixmap->convertToImage();
+
+  for(int x = 0; x < 720 - TEXT_MARGIN; x++) {
+    for(int y = 0; y < 20; y++) {
+      top_grey[x][y] = qGray(image.pixel(x, y));
+    }
+  }
+  miav_app->unlock();
+}
+
+void YUVDraw::setBottomText(char* text)
+{
+  miav_app->lock();
+  bottom_pixmap->fill();
+
+	QPainter painter;
+	painter.begin(bottom_pixmap);
+	painter.setFont( QFont( "Arial", 12, QFont::Bold ) );
+	painter.setPen( Qt::black );
+	painter.drawText(0, 15, text);
+	painter.end();
+
+  QImage image = bottom_pixmap->convertToImage();
+
+  for(int x = 0; x < 720 - TEXT_MARGIN; x++) {
+    for(int y = 0; y < 20; y++) {
+      bottom_grey[x][y] = qGray(image.pixel(x, y));
+    }
+  }
+  miav_app->unlock();
+}
+
+void YUVDraw::draw()
+{
+  for(int x = 0; x < 720 - TEXT_MARGIN; x++) {
+    for(int y = 0; y < 20; y++) {
+      if(top_grey[x][y] != 255) addPixel(x + TEXT_MARGIN, y + TEXT_MARGIN, 255 - top_grey[x][y]);
+    }
+  }
+
+  for(int x = 0; x < 720 - TEXT_MARGIN; x++) {
+    for(int y = 0; y < 20; y++) {
+      if(bottom_grey[x][y] != 255) addPixel(x + TEXT_MARGIN, (556 - TEXT_MARGIN)+ y, 255 - bottom_grey[x][y]);
+    }
+  }
+}
+
+
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+
+
+/*
+void YUVDraw::setText(int xoffset, int yoffset, char* text, int val)
+{
+  for(unsigned int i = 0; i < strlen(text); i++) {
+    for(int x = 0; x < FONT_WIDTH; x++) {
+      for(int y = 0; y < FONT_HEIGHT; y++) {
+        unsigned char col = palette[letter[(int)text[i]][y][x]];
+        if(col) col += val;
+        addPixel(i * FONT_WIDTH + x + xoffset, y + yoffset, col);
+      }
+    }
+  }
+}
+*/
+
+/*
+typedef struct{
+  Uint32 format;
+  int w, h;
+  int planes;
+  Uint16 *pitches;
+  Uint8 **pixels;
+  Uint32 hw_overlay:1;
+} SDL_Overlay;
+*/
-- 
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