179 lines
4.4 KiB
C++
179 lines
4.4 KiB
C++
/*
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* Author - Bertrand Songis <bsongis@gmail.com>
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*
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* Based on th9x -> http://code.google.com/p/th9x/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef lcd_widget_h
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#define lcd_widget_h
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#include <QWidget>
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#include "appdata.h"
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class lcdWidget : public QWidget {
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public:
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lcdWidget(QWidget * parent = 0):
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QWidget(parent),
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lcdBuf(NULL),
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previousBuf(NULL),
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lightEnable(false)
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{
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}
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~lcdWidget()
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{
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if (previousBuf)
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free(previousBuf);
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}
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void setData(unsigned char *buf, int width, int height, int depth=1)
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{
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lcdBuf = buf;
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lcdWidth = width;
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lcdHeight = height;
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lcdDepth = depth;
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if (depth >= 8)
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lcdSize = (width * height) * (depth / 8);
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else
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lcdSize = (width * ((height+7)/8)) * depth;
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previousBuf = (unsigned char *)malloc(lcdSize);
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memset(previousBuf, 0, lcdSize);
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}
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void setBackgroundColor(int red, int green, int blue)
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{
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_r = red;
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_g = green;
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_b = blue;
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}
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void makeScreenshot(const QString & fileName)
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{
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QPixmap buffer(2*lcdWidth, 2*lcdHeight);
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QPainter p(&buffer);
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doPaint(p);
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bool toclipboard = g.snapToClpbrd();
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if (toclipboard) {
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QApplication::clipboard()->setPixmap( buffer );
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}
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else {
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QString path = g.snapshotDir();
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if (path.isEmpty() || !QDir(path).exists()) {
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path = ".";
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}
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path.append(QDir::separator() + fileName);
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qDebug() << "Screenshot" << path;
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buffer.toImage().save(path);
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}
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}
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void onLcdChanged(bool light)
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{
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if (light != lightEnable || memcmp(previousBuf, lcdBuf, lcdSize)) {
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lightEnable = light;
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memcpy(previousBuf, lcdBuf, lcdSize);
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update();
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}
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}
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virtual void mousePressEvent(QMouseEvent * event)
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{
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setFocus();
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QWidget::mousePressEvent(event);
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}
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protected:
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int lcdWidth;
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int lcdHeight;
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int lcdDepth;
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int lcdSize;
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unsigned char *lcdBuf;
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unsigned char *previousBuf;
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bool lightEnable;
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int _r, _g, _b;
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inline void doPaint(QPainter & p)
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{
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QRgb rgb;
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if (lcdDepth >= 8) {
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for (int x=0; x<lcdWidth; x++) {
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for (int y=0; y<lcdHeight; y++) {
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uint16_t z = ((uint16_t *)lcdBuf)[y * lcdWidth + x];
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rgb = qRgb(255*((z&0xF00)>>8)/0x0f, 255*((z&0x0F0)>>4)/0x0f, 255*(z&0x00F)/0x0f);
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p.setPen(rgb);
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p.drawPoint(x, y);
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}
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}
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}
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else {
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if (lightEnable)
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rgb = qRgb(_r, _g, _b);
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else
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rgb = qRgb(161, 161, 161);
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p.setBackground(QBrush(rgb));
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p.eraseRect(0, 0, 2*lcdWidth, 2*lcdHeight);
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if (lcdBuf) {
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if (lcdDepth == 1) {
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rgb = qRgb(0, 0, 0);
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p.setPen(rgb);
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p.setBrush(QBrush(rgb));
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}
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unsigned int previousDepth = 0xFF;
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for (int y=0; y<lcdHeight; y++) {
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unsigned int idx = (y*lcdDepth/8)*lcdWidth;
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unsigned int mask = (1 << (y%8));
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for (int x=0; x<lcdWidth; x++, idx++) {
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if (lcdDepth == 1) {
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if (lcdBuf[idx] & mask) {
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p.drawRect(2*x, 2*y, 1, 1);
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}
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}
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else {
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unsigned int z = (y & 1) ? (lcdBuf[idx] >> 4) : (lcdBuf[idx] & 0x0F);
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if (z) {
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if (z != previousDepth) {
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previousDepth = z;
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if (lightEnable)
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rgb = qRgb(_r-(z*_r)/15, _g-(z*_g)/15, _b-(z*_b)/15);
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else
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rgb = qRgb(161-(z*161)/15, 161-(z*161)/15, 161-(z*161)/15);
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p.setPen(rgb);
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p.setBrush(QBrush(rgb));
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}
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p.drawRect(2*x, 2*y, 1, 1);
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}
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}
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}
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}
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}
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}
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}
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void paintEvent(QPaintEvent*)
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{
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QPainter p(this);
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doPaint(p);
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}
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};
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#endif
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