OpenModem/bertos/drv/lcd_gfx_qt.cpp

188 lines
4.8 KiB
C++

/**
* \file
* <!--
* This file is part of BeRTOS.
*
* Bertos 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As a special exception, you may use this file as part of a free software
* library without restriction. Specifically, if other files instantiate
* templates or use macros or inline functions from this file, or you compile
* this file and link it with other files to produce an executable, this
* file does not by itself cause the resulting executable to be covered by
* the GNU General Public License. This exception does not however
* invalidate any other reasons why the executable file might be covered by
* the GNU General Public License.
*
* Copyright 2006, 2008 Develer S.r.l. (http://www.develer.com/)
*
* -->
*
* \author Bernie Innocenti <bernie@codewiz.org>
*
* \brief Custom control for graphics LCD emulation (implementation)
*/
#include "lcd_gfx_qt.h"
#include <emul/emul.h>
#include <cfg/debug.h>
#include <gfx/gfx.h> // CONFIG_BITMAP_FMT
#include <QtGui/QPainter>
#include <QtGui/QImage>
#include <QtGui/QSizePolicy>
#include <QtCore/QSize>
// Display colors
#define LCD_FG_COLOR 0x0, 0x0, 0x0
#define LCD_BG_COLOR 0xBB, 0xCC, 0xBB
EmulLCD::EmulLCD(QWidget *parent) :
QFrame(parent),
fg_color(LCD_FG_COLOR),
bg_brush(QColor(LCD_BG_COLOR))
{
// Optimized rendering: we repaint everything anyway
setAttribute(Qt::WA_NoSystemBackground);
// initialize bitmap
memset(raster, 0xAA, sizeof(raster));
// set widget frame
setFrameStyle(QFrame::Panel | QFrame::Sunken);
frame_width = frameWidth();
setMinimumSize(WIDTH + frame_width * 2, HEIGHT + frame_width * 2);
#if CONFIG_EMULLCD_SCALE
QSizePolicy pol = QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred, QSizePolicy::Frame);
pol.setHeightForWidth(true);
#else
QSizePolicy pol = QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed, QSizePolicy::Frame);
#endif
setSizePolicy(pol);
}
EmulLCD::~EmulLCD()
{
// nop
}
#if CONFIG_EMULLCD_SCALE
int EmulLCD::heightForWidth(int w) const
{
int h;
w -= frame_width * 2;
h = (w * HEIGHT + WIDTH/2) / WIDTH;
h += frame_width * 2;
return h;
}
#endif // CONFIG_EMULLCD_SCALE
void EmulLCD::paintEvent(QPaintEvent * /*event*/)
{
QPainter p(this);
QImage img(raster, WIDTH, HEIGHT, QImage::Format_Mono);
#if CONFIG_EMULLCD_SCALE
int w = width() - frame_width * 2;
int h = height() - frame_width * 2;
if ((w != WIDTH) || (h != HEIGHT))
{
p.scale((qreal)w / WIDTH, (qreal)h / HEIGHT);
//p.setRenderHint(QPainter::SmoothPixmapTransform);
}
#endif // CONFIG_EMULLCD_SCALE
p.setBackgroundMode(Qt::OpaqueMode);
p.setBackground(bg_brush);
p.setPen(fg_color);
p.drawImage(QPoint(frame_width, frame_width), img);
}
void EmulLCD::writeRaster(uint8_t *new_raster)
{
#if CONFIG_BITMAP_FMT == BITMAP_FMT_PLANAR_H_MSB
// Straight copy
//memcpy(raster, new_raster, sizeof(raster));
// Inverting copy
for (int i = 0; i < (int)sizeof(raster); ++i)
raster[i] = ~new_raster[i];
#elif CONFIG_BITMAP_FMT == BITMAP_FMT_PLANAR_V_LSB
// Rotation + inversion
for (int y = 0; y < HEIGHT; ++y)
{
for (int xbyte = 0; xbyte < WIDTH/8; ++xbyte)
{
uint8_t v = 0;
for (int xbit = 0; xbit < 8; ++xbit)
v |= (new_raster[(xbyte * 8 + xbit) + (y / 8) * WIDTH] & (1 << (y%8)) )
? (1 << (7 - xbit)) : 0;
raster[y * ((WIDTH + 7) / 8) + xbyte] = v;
}
}
#else
#error Unsupported bitmap format
#endif
repaint();
}
#include <gfx/gfx.h>
#include <cfg/debug.h>
DECLARE_WALL(wall_before_raster, WALL_SIZE)
/**
* Raster buffer to draw into.
*
* Bits in the bitmap bytes have vertical orientation,
* as required by the LCD driver.
*/
static uint8_t lcd_raster[RAST_SIZE(EmulLCD::WIDTH, EmulLCD::HEIGHT)];
DECLARE_WALL(wall_after_raster, WALL_SIZE)
/*extern "C"*/ void lcd_gfx_qt_init(Bitmap *lcd_bitmap)
{
//FIXME INIT_WALL(wall_before_raster);
//FIXME INIT_WALL(wall_after_raster);
gfx_bitmapInit(lcd_bitmap, lcd_raster, EmulLCD::WIDTH, EmulLCD::HEIGHT);
gfx_bitmapClear(lcd_bitmap);
}
/*extern "C"*/ void lcd_gfx_qt_blitBitmap(const Bitmap *bm)
{
//FIXME CHECK_WALL(wall_before_raster);
//FIXME CHECK_WALL(wall_after_raster);
emul->emulLCD->writeRaster(bm->raster);
}
#include "lcd_gfx_qt_moc.cpp"