1091 lines
40 KiB
C++
1091 lines
40 KiB
C++
/*
|
|
* Copyright (C) 2020, 2021 Gavin MacGregor
|
|
*
|
|
* This file is part of QTeletextMaker.
|
|
*
|
|
* QTeletextMaker 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* QTeletextMaker 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 QTeletextMaker. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <QMultiMap>
|
|
#include <QPainter>
|
|
//#include <QTime>
|
|
#include <QPair>
|
|
#include <algorithm>
|
|
#include <vector>
|
|
|
|
#include "render.h"
|
|
|
|
int TeletextFontBitmap::s_instances = 0;
|
|
|
|
QBitmap *TeletextFontBitmap::s_fontBitmap = nullptr;
|
|
|
|
TeletextFontBitmap::TeletextFontBitmap()
|
|
{
|
|
if (s_instances == 0)
|
|
s_fontBitmap = new QBitmap(":/images/teletextfont.png");
|
|
s_instances++;
|
|
}
|
|
|
|
TeletextFontBitmap::~TeletextFontBitmap()
|
|
{
|
|
s_instances--;
|
|
if (s_instances == 0)
|
|
delete s_fontBitmap;
|
|
}
|
|
|
|
TeletextPageRender::TeletextPageRender()
|
|
{
|
|
for (int i=0; i<6; i++)
|
|
m_pagePixmap[i] = new QPixmap(864, 250);
|
|
m_pagePixmap[0]->fill(Qt::transparent);
|
|
m_mix = m_reveal = m_showCodes = false;
|
|
m_renderLevel = 0;
|
|
m_flashRequired = 0;
|
|
m_finalFullScreenColour = 0;
|
|
m_finalFullScreenQColor.setRgb(0, 0, 0);
|
|
for (int r=0; r<25; r++) {
|
|
m_flashRow[r] = 0;
|
|
m_fullRowColour[r] = 0;
|
|
m_fullRowQColor[r].setRgb(0, 0, 0);
|
|
m_concealRow[r] = false;
|
|
}
|
|
m_leftSidePanelColumns = m_rightSidePanelColumns = 0;
|
|
m_textLayer.push_back(&m_level1Layer);
|
|
m_textLayer.push_back(new EnhanceLayer);
|
|
}
|
|
|
|
TeletextPageRender::~TeletextPageRender()
|
|
{
|
|
while (m_textLayer.size()>1) {
|
|
delete m_textLayer.back();
|
|
m_textLayer.pop_back();
|
|
}
|
|
for (int i=0; i<6; i++)
|
|
delete m_pagePixmap[i];
|
|
}
|
|
|
|
void TeletextPageRender::setTeletextPage(LevelOnePage *newCurrentPage)
|
|
{
|
|
m_levelOnePage = newCurrentPage;
|
|
m_level1Layer.setTeletextPage(newCurrentPage);
|
|
updateSidePanels();
|
|
}
|
|
|
|
void TeletextPageRender::setReveal(bool newReveal)
|
|
{
|
|
m_reveal = newReveal;
|
|
for (int r=0; r<25; r++)
|
|
if (m_concealRow[r])
|
|
renderPage(r);
|
|
}
|
|
|
|
void TeletextPageRender::setMix(bool newMix)
|
|
{
|
|
m_mix = newMix;
|
|
decodePage();
|
|
renderPage();
|
|
}
|
|
|
|
void TeletextPageRender::setRenderLevel(int newRenderLevel)
|
|
{
|
|
if (newRenderLevel == m_renderLevel)
|
|
return;
|
|
m_renderLevel = newRenderLevel;
|
|
decodePage();
|
|
renderPage();
|
|
}
|
|
|
|
void TeletextPageRender::setShowCodes(bool newShowCodes)
|
|
{
|
|
m_showCodes = newShowCodes;
|
|
renderPage();
|
|
}
|
|
|
|
void TeletextPageRender::updateSidePanels()
|
|
{
|
|
int oldLeftSidePanelColumns = m_leftSidePanelColumns;
|
|
int oldRightSidePanelColumns = m_rightSidePanelColumns;
|
|
|
|
if (m_renderLevel >= (3-m_levelOnePage->sidePanelStatusL25()) && m_levelOnePage->leftSidePanelDisplayed())
|
|
m_leftSidePanelColumns = (m_levelOnePage->sidePanelColumns() == 0) ? 16 : m_levelOnePage->sidePanelColumns();
|
|
else
|
|
m_leftSidePanelColumns = 0;
|
|
|
|
if (m_renderLevel >= (3-m_levelOnePage->sidePanelStatusL25()) && m_levelOnePage->rightSidePanelDisplayed())
|
|
m_rightSidePanelColumns = 16-m_levelOnePage->sidePanelColumns();
|
|
else
|
|
m_rightSidePanelColumns = 0;
|
|
|
|
if (m_leftSidePanelColumns != oldLeftSidePanelColumns || m_rightSidePanelColumns != oldRightSidePanelColumns) {
|
|
emit sidePanelsChanged();
|
|
renderPage();
|
|
}
|
|
}
|
|
|
|
void TeletextPageRender::buildEnhanceMap(TextLayer *enhanceLayer, int tripletNumber)
|
|
{
|
|
bool terminatorFound=false;
|
|
ActivePosition activePosition;
|
|
const X26Triplet *x26Triplet;
|
|
int originModifierR=0;
|
|
int originModifierC=0;
|
|
|
|
do {
|
|
x26Triplet = &m_levelOnePage->enhancements()->at(tripletNumber);
|
|
if (x26Triplet->isRowTriplet())
|
|
// Row address group
|
|
switch (x26Triplet->mode()) {
|
|
case 0x00: // Full screen colour
|
|
if (m_renderLevel >= 2 && ((x26Triplet->data() & 0x60) == 0x00) && !activePosition.isDeployed())
|
|
enhanceLayer->setFullScreenColour(x26Triplet->data());
|
|
break;
|
|
case 0x01: // Full row colour
|
|
if (m_renderLevel >= 2 && activePosition.setRow(x26Triplet->addressRow()) && ((x26Triplet->data() & 0x60) == 0x00 || (x26Triplet->data() & 0x60) == 0x60))
|
|
enhanceLayer->setFullRowColour(activePosition.row(), x26Triplet->data() & 0x1f, (x26Triplet->data() & 0x60) == 0x60);
|
|
break;
|
|
case 0x04: // Set active position
|
|
if (activePosition.setRow(x26Triplet->addressRow()) && m_renderLevel >= 2 && x26Triplet->data() < 40)
|
|
activePosition.setColumn(x26Triplet->data());
|
|
break;
|
|
case 0x07: // Address row 0
|
|
if (x26Triplet->address() == 0x3f && !activePosition.isDeployed()) {
|
|
activePosition.setRow(0);
|
|
activePosition.setColumn(8);
|
|
if (m_renderLevel >= 2 && ((x26Triplet->data() & 0x60) == 0x00 || (x26Triplet->data() & 0x60) == 0x60))
|
|
enhanceLayer->setFullRowColour(0, x26Triplet->data() & 0x1f, (x26Triplet->data() & 0x60) == 0x60);
|
|
}
|
|
break;
|
|
case 0x10: // Origin modifier
|
|
if (m_renderLevel >= 2 && (tripletNumber+1) < m_levelOnePage->enhancements()->size() && m_levelOnePage->enhancements()->at(tripletNumber+1).mode() >= 0x11 && m_levelOnePage->enhancements()->at(tripletNumber+1).mode() <= 0x13 && x26Triplet->address() >= 40 && x26Triplet->data() < 72) {
|
|
originModifierR = x26Triplet->address()-40;
|
|
originModifierC = x26Triplet->data();
|
|
}
|
|
break;
|
|
case 0x11 ... 0x13: // Invoke Object
|
|
if (m_renderLevel >= 2) {
|
|
if ((x26Triplet->address() & 0x18) == 0x08) {
|
|
// Local Object
|
|
// Check if the pointer in the Invocation triplet is valid
|
|
// Can't point to triplets 13-15; only triplets 0-12 per packet
|
|
if ((x26Triplet->data() & 0x0f) > 12)
|
|
break;
|
|
int tripletPointer = ((x26Triplet->data() >> 4) | ((x26Triplet->address() & 1) << 3)) * 13 + (x26Triplet->data() & 0x0f);
|
|
// Can't point to triplet beyond the end of the Local Enhancement Data
|
|
if ((tripletPointer+1) >= m_levelOnePage->enhancements()->size())
|
|
break;
|
|
// Check if we're pointing to an actual Object Definition of the same type
|
|
if ((x26Triplet->mode() | 0x04) != m_levelOnePage->enhancements()->at(tripletPointer).mode())
|
|
break;
|
|
// The Object Definition can't declare it's at triplet 13-15; only triplets 0-12 per packet
|
|
if ((m_levelOnePage->enhancements()->at(tripletPointer).data() & 0x0f) > 12)
|
|
break;
|
|
// Check if the Object Definition triplet is where it declares it is
|
|
if ((((m_levelOnePage->enhancements()->at(tripletPointer).data() >> 4) | ((m_levelOnePage->enhancements()->at(tripletPointer).address() & 1) << 3)) * 13 + (m_levelOnePage->enhancements()->at(tripletPointer).data() & 0x0f)) != tripletPointer)
|
|
break;
|
|
// Check if (sub)Object type can be invoked by Object type we're within
|
|
if (enhanceLayer->objectType() >= (x26Triplet->mode() & 0x03))
|
|
break;
|
|
// Is the object required at the current presentation Level?
|
|
if (m_renderLevel == 2 && (m_levelOnePage->enhancements()->at(tripletPointer).address() & 0x08) == 0x00)
|
|
break;
|
|
if (m_renderLevel == 3 && (m_levelOnePage->enhancements()->at(tripletPointer).address() & 0x10) == 0x00)
|
|
break;
|
|
EnhanceLayer *newLayer = new EnhanceLayer;
|
|
m_textLayer.push_back(newLayer);
|
|
newLayer->setObjectType(x26Triplet->mode() & 0x03);
|
|
newLayer->setOrigin(enhanceLayer->originR() + activePosition.row() + originModifierR, enhanceLayer->originC() + activePosition.column() + originModifierC);
|
|
buildEnhanceMap(newLayer, tripletPointer+1);
|
|
} else
|
|
qDebug("POP or GPOP");
|
|
originModifierR = originModifierC = 0;
|
|
}
|
|
break;
|
|
case 0x15 ... 0x17: // Define Object, also used as terminator
|
|
terminatorFound = true;
|
|
break;
|
|
case 0x1f: // Terminator
|
|
if (x26Triplet->address() == 63)
|
|
terminatorFound = true;
|
|
break;
|
|
}
|
|
else {
|
|
// Column address group
|
|
bool columnTripletActioned = true;
|
|
switch (x26Triplet->mode()) {
|
|
// First we deal with column triplets that are also valid at Level 1.5
|
|
case 0x0b: // G3 mosaic character at Level 2.5
|
|
if (m_renderLevel <= 1)
|
|
break;
|
|
// fall-through
|
|
case 0x02: // G3 mosaic character at Level 1.5
|
|
case 0x0f: // G2 character
|
|
case 0x10 ... 0x1f: // Diacritical mark
|
|
if (activePosition.setColumn(x26Triplet->addressColumn()) && x26Triplet->data() >= 0x20)
|
|
enhanceLayer->enhanceMap.insert(qMakePair(activePosition.row(), activePosition.column()), qMakePair(x26Triplet->mode() | 0x20, x26Triplet->data()));
|
|
break;
|
|
// Make sure that PDC and reserved triplets don't affect the Active Position
|
|
case 0x04 ... 0x06: // 0x04 and 0x05 are reserved, 0x06 for PDC
|
|
case 0x0a: // Reserved
|
|
break;
|
|
default:
|
|
columnTripletActioned = false;
|
|
}
|
|
// All remaining possible column triplets at Level 2.5 affect the Active Position
|
|
if (m_renderLevel >= 2 && !columnTripletActioned && activePosition.setColumn(x26Triplet->addressColumn()))
|
|
enhanceLayer->enhanceMap.insert(qMakePair(activePosition.row(), activePosition.column()), qMakePair(x26Triplet->mode() | 0x20, x26Triplet->data()));
|
|
}
|
|
tripletNumber++;
|
|
} while (!terminatorFound && tripletNumber < m_levelOnePage->enhancements()->size());
|
|
}
|
|
|
|
void TeletextPageRender::decodePage()
|
|
{
|
|
QPainter pixmapPainter;
|
|
int currentFullRowColour, downwardsFullRowColour;
|
|
int renderedFullScreenColour;
|
|
|
|
struct {
|
|
bool operator() (TextLayer *i, TextLayer *j) { return (i->objectType() < j->objectType()); }
|
|
} compareLayer;
|
|
|
|
updateSidePanels();
|
|
|
|
while (m_textLayer.size()>2) {
|
|
delete m_textLayer.back();
|
|
m_textLayer.pop_back();
|
|
}
|
|
|
|
renderedFullScreenColour = (m_renderLevel >= 2) ? m_levelOnePage->defaultScreenColour() : 0;
|
|
downwardsFullRowColour = (m_renderLevel >= 2) ? m_levelOnePage->defaultRowColour() : 0;
|
|
setFullScreenColour(renderedFullScreenColour);
|
|
for (int r=0; r<25; r++)
|
|
setFullRowColour(r ,downwardsFullRowColour);
|
|
|
|
m_textLayer[1]->enhanceMap.clear();
|
|
if (m_renderLevel == 0 || m_levelOnePage->enhancements()->empty())
|
|
return;
|
|
|
|
m_textLayer[1]->setFullScreenColour(-1);
|
|
for (int r=0; r<25; r++)
|
|
m_textLayer[1]->setFullRowColour(r, -1, false);
|
|
buildEnhanceMap(m_textLayer[1]);
|
|
|
|
if (m_textLayer.size() > 2)
|
|
std::stable_sort(m_textLayer.begin()+2, m_textLayer.end(), compareLayer);
|
|
|
|
if (m_renderLevel <= 1)
|
|
return;
|
|
|
|
if (m_textLayer[1]->fullScreenColour() != -1)
|
|
downwardsFullRowColour = m_textLayer[1]->fullScreenColour();
|
|
for (int r=0; r<25; r++) {
|
|
for (int l=0; l<2; l++) {
|
|
if (r == 0 && m_textLayer[l]->fullScreenColour() != - 1)
|
|
renderedFullScreenColour = m_textLayer[l]->fullScreenColour();
|
|
if (m_textLayer[l]->fullRowColour(r) == - 1)
|
|
currentFullRowColour = downwardsFullRowColour;
|
|
else {
|
|
currentFullRowColour = m_textLayer[l]->fullRowColour(r);
|
|
if (m_textLayer[l]->fullRowDownwards(r))
|
|
downwardsFullRowColour = currentFullRowColour;
|
|
}
|
|
}
|
|
setFullRowColour(r ,currentFullRowColour);
|
|
}
|
|
setFullScreenColour(renderedFullScreenColour);
|
|
}
|
|
|
|
void TeletextPageRender::renderPage()
|
|
{
|
|
// QTime renderPageTime;
|
|
|
|
// renderPageTime.start();
|
|
for (int r=0; r<25; r++)
|
|
renderPage(r);
|
|
// qDebug("Full page render: %d ms", renderPageTime.elapsed());
|
|
}
|
|
|
|
void TeletextPageRender::renderPage(int r)
|
|
{
|
|
QPainter pixmapPainter;
|
|
QColor foreQColour, backQColour;
|
|
int c;
|
|
int phaseNumberRender = 0;
|
|
int flashRowRequired = 0;
|
|
bool renderNextRow = false;
|
|
bool applyRightHalf = false;
|
|
bool previouslyDoubleHeight, previouslyBottomHalf, underlined;
|
|
bool doubleHeightFound = false;
|
|
textCharacter resultCharacter, layerCharacter;
|
|
applyAttributes layerApplyAttributes;
|
|
textAttributes underlyingAttributes, resultAttributes;
|
|
int level1CharSet;
|
|
|
|
auto renderCharacter=[&]()
|
|
{
|
|
if (m_cell[r][c].bottomHalf || m_cell[r][c].rightHalf)
|
|
return;
|
|
int charWidth = resultAttributes.display.doubleWidth ? 24 : 12;
|
|
int charHeight = resultAttributes.display.doubleHeight ? 20 : 10;
|
|
bool transparentBackground = (m_levelOnePage->controlBit(PageBase::C5Newsflash) || m_levelOnePage->controlBit(PageBase::C6Subtitle) || m_mix) && !resultAttributes.display.boxingWindow;
|
|
// bool transparentForeground = false;
|
|
if (transparentBackground) {
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_Clear);
|
|
pixmapPainter.eraseRect(c*12, r*10, charWidth, charHeight);
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_SourceOver);
|
|
}
|
|
if ((m_levelOnePage->controlBit(PageBase::C5Newsflash) || m_levelOnePage->controlBit(PageBase::C6Subtitle)) && !resultAttributes.display.boxingWindow) {
|
|
// Outside a boxed area
|
|
resultCharacter = { 0x20, 0, 0 };
|
|
underlined = false;
|
|
}
|
|
if ((resultCharacter.code <= 0x20 && resultCharacter.diacritical == 0 && resultCharacter.set != 26) || (resultAttributes.display.conceal && !m_reveal)) {
|
|
if (!transparentBackground) {
|
|
pixmapPainter.fillRect(c*12, r*10, charWidth, charHeight, backQColour);
|
|
}
|
|
} else {
|
|
if (transparentBackground)
|
|
pixmapPainter.setBackgroundMode(Qt::TransparentMode);
|
|
else {
|
|
pixmapPainter.setBackgroundMode(Qt::OpaqueMode);
|
|
pixmapPainter.setBackground(QBrush(backQColour));
|
|
}
|
|
pixmapPainter.setPen(foreQColour);
|
|
pixmapPainter.drawPixmap(c*12, r*10, charWidth, charHeight, *m_fontBitmap.rawBitmap(), (resultCharacter.code-32)*12, resultCharacter.set*10, 12, 10);
|
|
if (resultCharacter.diacritical) {
|
|
pixmapPainter.setBackgroundMode(Qt::TransparentMode);
|
|
pixmapPainter.drawPixmap(c*12, r*10, charWidth, charHeight, *m_fontBitmap.rawBitmap(), 384+resultCharacter.diacritical*12, 70, 12, 10);
|
|
pixmapPainter.setBackgroundMode(Qt::OpaqueMode);
|
|
}
|
|
}
|
|
if (underlined) {
|
|
pixmapPainter.setPen(foreQColour);
|
|
if (!resultAttributes.display.doubleHeight)
|
|
pixmapPainter.drawLine(c*12, r*10+9, c*12+charWidth-1, r*10+9);
|
|
else
|
|
pixmapPainter.drawRect(c*12, r*10+18, charWidth-1, 1);
|
|
}
|
|
};
|
|
|
|
pixmapPainter.begin(m_pagePixmap[0]);
|
|
pixmapPainter.setBackgroundMode(Qt::OpaqueMode);
|
|
|
|
m_concealRow[r] = false;
|
|
for (c=0; c<72; c++) {
|
|
resultAttributes = underlyingAttributes;
|
|
for (int l=0; l<m_textLayer.size(); l++) {
|
|
layerCharacter = m_textLayer[l]->character(r, c);
|
|
if (layerCharacter.code != 0x00)
|
|
resultCharacter = layerCharacter;
|
|
if (l == 0) {
|
|
// m_cell[r][c].level1Mosaic = (resultCharacter.set == 24 || resultCharacter.set == 25) && m_levelOnePage->character(r, c) >= 0x20;
|
|
m_cell[r][c].level1Mosaic = (resultCharacter.set == 24 || resultCharacter.set == 25);
|
|
if (!m_cell[r][c].level1Mosaic)
|
|
level1CharSet = resultCharacter.set;
|
|
m_cell[r][c].level1CharSet = level1CharSet;
|
|
}
|
|
|
|
layerApplyAttributes = { false, false, false, false, false, false, false, false };
|
|
m_textLayer[l]->attributes(r, c, &layerApplyAttributes);
|
|
if (layerApplyAttributes.copyAboveAttributes) {
|
|
resultAttributes = m_cell[r-1][c].attribute;
|
|
layerApplyAttributes.copyAboveAttributes = false;
|
|
break;
|
|
}
|
|
if (layerApplyAttributes.applyForeColour) {
|
|
resultAttributes.foreColour = layerApplyAttributes.attribute.foreColour;
|
|
if (l == 0 && m_renderLevel >= 2)
|
|
resultAttributes.foreColour |= m_foregroundRemap[m_levelOnePage->colourTableRemap()];
|
|
}
|
|
if (layerApplyAttributes.applyBackColour) {
|
|
resultAttributes.backColour = layerApplyAttributes.attribute.backColour;
|
|
if (l == 0) {
|
|
if (m_renderLevel >= 2)
|
|
if (resultAttributes.backColour == 0x20)
|
|
resultAttributes.backColour = (c > 39 || m_levelOnePage->blackBackgroundSubst()) ? m_fullRowColour[r] : m_backgroundRemap[m_levelOnePage->colourTableRemap()];
|
|
else
|
|
resultAttributes.backColour |= m_backgroundRemap[m_levelOnePage->colourTableRemap()];
|
|
else
|
|
if (resultAttributes.backColour == 0x20)
|
|
resultAttributes.backColour = 0x00;
|
|
}
|
|
}
|
|
if (resultAttributes.foreColour == 8)
|
|
resultAttributes.foreColour = m_fullRowColour[r];
|
|
if (resultAttributes.backColour == 8)
|
|
resultAttributes.backColour = m_fullRowColour[r];
|
|
|
|
if (layerApplyAttributes.applyFlash) {
|
|
//BUG Adaptive Objects disrupt inc/dec flash
|
|
resultAttributes.flash = layerApplyAttributes.attribute.flash;
|
|
if (resultAttributes.flash.mode != 0)
|
|
phaseNumberRender = (resultAttributes.flash.ratePhase == 4 || resultAttributes.flash.ratePhase == 5) ? 1 : resultAttributes.flash.ratePhase;
|
|
}
|
|
if (layerApplyAttributes.applyDisplayAttributes)
|
|
resultAttributes.display = layerApplyAttributes.attribute.display;
|
|
else {
|
|
// Selecting contiguous mosaics wih a triplet will override an earlier Level 1 separated mosaics attribute until a further Level 1 contiguous mosaic attribute is encountered
|
|
resultAttributes.display.forceContiguous = (layerApplyAttributes.applyContiguousOnly) ? false : underlyingAttributes.display.forceContiguous;
|
|
if (layerApplyAttributes.applyTextSizeOnly) {
|
|
resultAttributes.display.doubleHeight = layerApplyAttributes.attribute.display.doubleHeight;
|
|
resultAttributes.display.doubleWidth = layerApplyAttributes.attribute.display.doubleWidth;
|
|
}
|
|
if (layerApplyAttributes.applyBoxingOnly)
|
|
resultAttributes.display.boxingWindow = layerApplyAttributes.attribute.display.boxingWindow;
|
|
if (layerApplyAttributes.applyConcealOnly || layerApplyAttributes.applyForeColour)
|
|
resultAttributes.display.conceal = layerApplyAttributes.attribute.display.conceal;
|
|
}
|
|
if (m_textLayer[l]->objectType() <= 1)
|
|
underlyingAttributes = resultAttributes;
|
|
|
|
if (m_renderLevel == 0)
|
|
break;
|
|
}
|
|
|
|
underlined = false;
|
|
if (resultAttributes.display.underlineSeparated) {
|
|
if (resultCharacter.set == 24)
|
|
resultCharacter.set = 25;
|
|
else
|
|
underlined = resultCharacter.set < 24;
|
|
}
|
|
if (resultAttributes.display.forceContiguous && resultCharacter.set == 25)
|
|
resultCharacter.set = 24;
|
|
|
|
resultAttributes.flash.phaseNumber = phaseNumberRender;
|
|
|
|
previouslyDoubleHeight = m_cell[r][c].attribute.display.doubleHeight;
|
|
previouslyBottomHalf = m_cell[r][c].bottomHalf;
|
|
|
|
m_cell[r][c].character = resultCharacter;
|
|
m_cell[r][c].attribute = resultAttributes;
|
|
|
|
if (resultAttributes.flash.ratePhase == 4 && ++phaseNumberRender == 4)
|
|
phaseNumberRender = 1;
|
|
if (resultAttributes.flash.ratePhase == 5 && --phaseNumberRender == 0)
|
|
phaseNumberRender = 3;
|
|
if (resultAttributes.flash.mode > 0)
|
|
flashRowRequired |= (resultAttributes.flash.ratePhase == 0) ? 1 : 2;
|
|
|
|
if (r > 0)
|
|
m_cell[r][c].bottomHalf = m_cell[r-1][c].attribute.display.doubleHeight && !m_cell[r-1][c].bottomHalf;
|
|
if ((resultAttributes.display.doubleHeight != previouslyDoubleHeight) || (m_cell[r][c].bottomHalf != previouslyBottomHalf))
|
|
renderNextRow = true;
|
|
m_cell[r][c].rightHalf = applyRightHalf;
|
|
|
|
if (!resultAttributes.display.invert) {
|
|
foreQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.foreColour, m_renderLevel);
|
|
backQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.backColour, m_renderLevel);
|
|
} else {
|
|
foreQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.backColour, m_renderLevel);
|
|
backQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.foreColour, m_renderLevel);
|
|
}
|
|
|
|
renderCharacter();
|
|
|
|
if (m_showCodes && c < 40 && m_levelOnePage->character(r, c)<0x20 && !m_level1Layer.isRowBottomHalf(r) && !m_cell[r][c].bottomHalf) {
|
|
pixmapPainter.setBackground(QBrush(QColor(0, 0, 0, 128)));
|
|
pixmapPainter.setPen(QColor(255, 255, 255, 224));
|
|
pixmapPainter.drawPixmap(c*12, r*10, 12, 10, *m_fontBitmap.rawBitmap(), (m_levelOnePage->character(r, c)+32)*12, 250, 12, 10);
|
|
}
|
|
|
|
if (resultAttributes.display.doubleHeight)
|
|
doubleHeightFound = true;
|
|
if (resultAttributes.display.doubleWidth)
|
|
applyRightHalf ^= true;
|
|
else
|
|
applyRightHalf = false;
|
|
if (resultAttributes.display.conceal)
|
|
m_concealRow[r] = true;
|
|
}
|
|
|
|
pixmapPainter.end();
|
|
|
|
if (flashRowRequired == 3)
|
|
flashRowRequired = 2;
|
|
if (flashRowRequired != m_flashRow[r]) {
|
|
m_flashRow[r] = flashRowRequired;
|
|
updateFlashRequired(flashRowRequired);
|
|
}
|
|
// If flashing is present, copy the rendered line into the other buffers
|
|
if (m_flashRequired > 0) {
|
|
pixmapPainter.begin(m_pagePixmap[3]);
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_Clear);
|
|
pixmapPainter.eraseRect(0, r*10, 864, doubleHeightFound ? 20 : 10);
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_SourceOver);
|
|
pixmapPainter.drawPixmap(0, r*10, *m_pagePixmap[0], 0, r*10, 864, doubleHeightFound ? 20 : 10);
|
|
if (m_flashRequired == 2) {
|
|
pixmapPainter.end();
|
|
pixmapPainter.begin(m_pagePixmap[1]);
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_Clear);
|
|
pixmapPainter.eraseRect(0, r*10, 864, doubleHeightFound ? 20 : 10);
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_SourceOver);
|
|
pixmapPainter.drawPixmap(0, r*10, *m_pagePixmap[0], 0, r*10, 864, doubleHeightFound ? 20 : 10);
|
|
pixmapPainter.end();
|
|
pixmapPainter.begin(m_pagePixmap[2]);
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_Clear);
|
|
pixmapPainter.eraseRect(0, r*10, 864, doubleHeightFound ? 20 : 10);
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_SourceOver);
|
|
pixmapPainter.drawPixmap(0, r*10, *m_pagePixmap[0], 0, r*10, 864, doubleHeightFound ? 20 : 10);
|
|
pixmapPainter.end();
|
|
pixmapPainter.begin(m_pagePixmap[4]);
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_Clear);
|
|
pixmapPainter.eraseRect(0, r*10, 864, doubleHeightFound ? 20 : 10);
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_SourceOver);
|
|
pixmapPainter.drawPixmap(0, r*10, *m_pagePixmap[3], 0, r*10, 864, doubleHeightFound ? 20 : 10);
|
|
pixmapPainter.end();
|
|
pixmapPainter.begin(m_pagePixmap[5]);
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_Clear);
|
|
pixmapPainter.eraseRect(0, r*10, 864, doubleHeightFound ? 20 : 10);
|
|
pixmapPainter.setCompositionMode(QPainter::CompositionMode_SourceOver);
|
|
pixmapPainter.drawPixmap(0, r*10, *m_pagePixmap[3], 0, r*10, 864, doubleHeightFound ? 20 : 10);
|
|
}
|
|
pixmapPainter.end();
|
|
}
|
|
if (flashRowRequired)
|
|
for (c=0; c<72; c++) {
|
|
if (m_cell[r][c].attribute.flash.mode == 0 || m_cell[r][c].bottomHalf || m_cell[r][c].rightHalf)
|
|
continue;
|
|
// Compose other phase of flash, either a space or adjacent CLUT
|
|
resultAttributes = m_cell[r][c].attribute;
|
|
if (m_cell[r][c].attribute.flash.mode == 3) {
|
|
resultAttributes.foreColour ^= 8;
|
|
resultCharacter = m_cell[r][c].character;
|
|
underlined = resultAttributes.display.underlineSeparated && (m_cell[r][c].character.set < 24);
|
|
} else { // flash modes 1 and 2
|
|
resultCharacter = { 0x20, 0, 0 };
|
|
underlined = false;
|
|
}
|
|
if (!resultAttributes.display.invert) {
|
|
foreQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.foreColour, m_renderLevel);
|
|
backQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.backColour, m_renderLevel);
|
|
} else {
|
|
foreQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.backColour, m_renderLevel);
|
|
backQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.foreColour, m_renderLevel);
|
|
}
|
|
if (resultAttributes.flash.ratePhase == 0) {
|
|
// 1Hz flash
|
|
int flashPixmap = resultAttributes.flash.mode == 2 ? 0 : 3;
|
|
pixmapPainter.begin(m_pagePixmap[flashPixmap]);
|
|
renderCharacter();
|
|
if (m_flashRequired == 2) {
|
|
pixmapPainter.end();
|
|
pixmapPainter.begin(m_pagePixmap[flashPixmap+1]);
|
|
renderCharacter();
|
|
pixmapPainter.end();
|
|
pixmapPainter.begin(m_pagePixmap[flashPixmap+2]);
|
|
renderCharacter();
|
|
}
|
|
pixmapPainter.end();
|
|
} else
|
|
// 2Hz flash
|
|
for (int p=1; p<=3; p++)
|
|
if ((resultAttributes.flash.phaseNumber != p) ^ (resultAttributes.flash.mode == 2)) {
|
|
pixmapPainter.begin(m_pagePixmap[p-1]);
|
|
renderCharacter();
|
|
pixmapPainter.end();
|
|
pixmapPainter.begin(m_pagePixmap[p+2]);
|
|
renderCharacter();
|
|
pixmapPainter.end();
|
|
}
|
|
}
|
|
|
|
if (renderNextRow && r<24)
|
|
renderPage(r+1);
|
|
}
|
|
|
|
void TeletextPageRender::updateFlashRequired(int newFlashRequired)
|
|
{
|
|
if (newFlashRequired == m_flashRequired)
|
|
return;
|
|
|
|
if (newFlashRequired < m_flashRequired) {
|
|
int minimumFlashRequired = newFlashRequired;
|
|
// If the flash rate for a row is reduced, check the other rows if they still need flashing
|
|
for (int r=0; r<25; r++)
|
|
if (m_flashRow[r] > minimumFlashRequired)
|
|
minimumFlashRequired = m_flashRow[r];
|
|
if (minimumFlashRequired > newFlashRequired)
|
|
newFlashRequired = minimumFlashRequired;
|
|
if (newFlashRequired == m_flashRequired)
|
|
return;
|
|
m_flashRequired = newFlashRequired;
|
|
emit flashChanged(m_flashRequired);
|
|
return;
|
|
}
|
|
|
|
// newFlashRequired > flashRequired
|
|
if (m_flashRequired == 0)
|
|
*m_pagePixmap[3] = m_pagePixmap[0]->copy();
|
|
if (newFlashRequired == 2) {
|
|
*m_pagePixmap[1] = m_pagePixmap[0]->copy();
|
|
*m_pagePixmap[2] = m_pagePixmap[0]->copy();
|
|
*m_pagePixmap[4] = m_pagePixmap[3]->copy();
|
|
*m_pagePixmap[5] = m_pagePixmap[3]->copy();
|
|
}
|
|
m_flashRequired = newFlashRequired;
|
|
emit flashChanged(m_flashRequired);
|
|
}
|
|
|
|
inline void TeletextPageRender::setFullScreenColour(int newColour)
|
|
{
|
|
if (m_mix || m_levelOnePage->controlBit(PageBase::C5Newsflash) || m_levelOnePage->controlBit(PageBase::C6Subtitle)) {
|
|
m_finalFullScreenQColor = QColor(0, 0, 0, 0);
|
|
emit fullScreenColourChanged(QColor(0, 0, 0, 0));
|
|
return;
|
|
}
|
|
QColor newFullScreenQColor = m_levelOnePage->CLUTtoQColor(newColour, m_renderLevel);
|
|
m_finalFullScreenColour = newColour;
|
|
if (m_finalFullScreenQColor != newFullScreenQColor) {
|
|
m_finalFullScreenQColor = newFullScreenQColor;
|
|
emit fullScreenColourChanged(m_finalFullScreenQColor);
|
|
}
|
|
}
|
|
|
|
inline void TeletextPageRender::setFullRowColour(int row, int newColour)
|
|
{
|
|
if (m_mix || m_levelOnePage->controlBit(PageBase::C5Newsflash) || m_levelOnePage->controlBit(PageBase::C6Subtitle)) {
|
|
m_fullRowQColor[row] = QColor(0, 0, 0, 0);
|
|
emit fullRowColourChanged(row, QColor(0, 0, 0, 0));
|
|
return;
|
|
}
|
|
QColor newFullRowQColor = m_levelOnePage->CLUTtoQColor(newColour, m_renderLevel);
|
|
m_fullRowColour[row] = newColour;
|
|
if (m_fullRowQColor[row] != newFullRowQColor) {
|
|
m_fullRowQColor[row] = newFullRowQColor;
|
|
emit fullRowColourChanged(row, m_fullRowQColor[row]);
|
|
}
|
|
}
|
|
|
|
void TextLayer::setTeletextPage(LevelOnePage *newCurrentPage) { m_levelOnePage = newCurrentPage; }
|
|
void TextLayer::setFullScreenColour(int newColour) { m_layerFullScreenColour = newColour; }
|
|
|
|
void TextLayer::setFullRowColour(int r, int newColour, bool newDownwards)
|
|
{
|
|
m_layerFullRowColour[r] = newColour;
|
|
m_layerFullRowDownwards[r] = newDownwards;
|
|
}
|
|
|
|
void EnhanceLayer::setObjectType(int newObjectType) { m_objectType = newObjectType; }
|
|
|
|
void EnhanceLayer::setOrigin(int r, int c)
|
|
{
|
|
m_originR = r;
|
|
m_originC = c;
|
|
}
|
|
|
|
Level1Layer::Level1Layer()
|
|
{
|
|
for (int r=0; r<25; r++) {
|
|
m_rowHasDoubleHeightAttr[r] = false;
|
|
m_rowHeight[r] = RHnormal;
|
|
}
|
|
}
|
|
|
|
EnhanceLayer::EnhanceLayer()
|
|
{
|
|
for (int r=0; r<25; r++) {
|
|
m_layerFullRowColour[r] = -1;
|
|
m_layerFullRowDownwards[r] = false;
|
|
}
|
|
}
|
|
|
|
textCharacter EnhanceLayer::character(int r, int c)
|
|
{
|
|
r -= m_originR;
|
|
c -= m_originC;
|
|
if (r < 0 || c < 0)
|
|
return { 0, 0 };
|
|
|
|
// QPair.first is triplet mode, QPair.second is triplet data
|
|
QList<QPair<int, int>> enhancements = enhanceMap.values(qMakePair(r, c));
|
|
|
|
if (enhancements.size() > 0)
|
|
for (int i=0; i<enhancements.size(); i++)
|
|
switch (enhancements.at(i).first) {
|
|
case 0x2b: // G3 mosaic character at Level 2.5
|
|
case 0x22: // G3 mosaic character at Level 1.5
|
|
return { enhancements.at(i).second, 26 };
|
|
case 0x29: // G0 character at Level 2.5
|
|
return { enhancements.at(i).second, 0 };
|
|
case 0x2f: // G2 character
|
|
return { enhancements.at(i).second, 7 };
|
|
case 0x30 ... 0x3f: // Diacritical
|
|
// Deal with @ symbol replacing * symbol - clause 15.6.1 note 3 in spec
|
|
if (enhancements.at(i).first == 0x30 && enhancements.at(i).second == 0x2a)
|
|
return { 0x40, 0 };
|
|
else
|
|
return { enhancements.at(i).second, 0, enhancements.at(i).first & 0x0f };
|
|
case 0x21: // G1 character
|
|
if ((enhancements.at(i).second) >= 0x20)
|
|
return { enhancements.at(i).second, (enhancements.at(i).second & 0x20) ? 24 : 0 };
|
|
}
|
|
return { 0, 0 };
|
|
}
|
|
|
|
void EnhanceLayer::attributes(int r, int c, applyAttributes *layerApplyAttributes)
|
|
{
|
|
r -= m_originR;
|
|
c -= m_originC;
|
|
if (r < 0 || c < 0)
|
|
return;
|
|
if (m_objectType == 2) {
|
|
// Adaptive Object - find rightmost column addressed on this row if we haven't already
|
|
if (r != m_rowCached) {
|
|
m_rightMostColumn[r] = 0;
|
|
m_rowCached = r;
|
|
for (int cc=39; cc>0; cc--)
|
|
if (enhanceMap.contains(qMakePair(r, cc))) {
|
|
m_rightMostColumn[r] = cc;
|
|
break;
|
|
}
|
|
}
|
|
// On new row, default to attributes already on page
|
|
// At end of rightmost column, let go of all attributes
|
|
if (c == 0 || c == m_rightMostColumn[r]+1)
|
|
m_applyAttributes = { false, false, false, false, false, false, false, false };
|
|
else {
|
|
// Re-apply attributes that Object has defined previously on this row
|
|
if (m_applyAttributes.applyForeColour) {
|
|
layerApplyAttributes->applyForeColour = true;
|
|
layerApplyAttributes->attribute.foreColour = m_applyAttributes.attribute.foreColour;
|
|
}
|
|
if (m_applyAttributes.applyBackColour) {
|
|
layerApplyAttributes->applyBackColour = true;
|
|
layerApplyAttributes->attribute.backColour = m_applyAttributes.attribute.backColour;
|
|
}
|
|
//BUG Adaptive Objects disrupt inc/dec flash
|
|
if (m_applyAttributes.applyFlash) {
|
|
layerApplyAttributes->applyFlash = true;
|
|
layerApplyAttributes->attribute.flash.mode = m_applyAttributes.attribute.flash.mode;
|
|
layerApplyAttributes->attribute.flash.ratePhase = m_applyAttributes.attribute.flash.ratePhase;
|
|
}
|
|
if (m_applyAttributes.applyDisplayAttributes) {
|
|
layerApplyAttributes->applyDisplayAttributes = true;
|
|
layerApplyAttributes->attribute.display = m_applyAttributes.attribute.display;
|
|
}
|
|
}
|
|
}
|
|
if (m_objectType == 3) {
|
|
if (r == 0 && c == 0) {
|
|
// Passive Objects always start with all these default attributes
|
|
m_applyAttributes.applyForeColour = true;
|
|
m_applyAttributes.attribute.foreColour = 0x07;
|
|
m_applyAttributes.applyBackColour = true;
|
|
m_applyAttributes.attribute.backColour = 0x00;
|
|
m_applyAttributes.applyDisplayAttributes = true;
|
|
m_applyAttributes.applyFlash = true;
|
|
m_applyAttributes.attribute.flash.mode = 0;
|
|
m_applyAttributes.attribute.flash.ratePhase = 0;
|
|
m_applyAttributes.attribute.display.doubleHeight = false;
|
|
m_applyAttributes.attribute.display.doubleWidth = false;
|
|
m_applyAttributes.attribute.display.boxingWindow = false;
|
|
m_applyAttributes.attribute.display.conceal = false;
|
|
m_applyAttributes.attribute.display.invert = false;
|
|
m_applyAttributes.attribute.display.underlineSeparated = false;
|
|
m_applyAttributes.attribute.display.forceContiguous = false;
|
|
}
|
|
if (character(r+m_originR, c+m_originC).code == 0x00)
|
|
// Passive Object attributes only apply where it also defines a character
|
|
// In this case, wrench the pointer-parameter to alter only the attributes of the Object
|
|
layerApplyAttributes = &m_applyAttributes;
|
|
else
|
|
*layerApplyAttributes = m_applyAttributes;
|
|
}
|
|
|
|
// QPair.first is triplet mode, QPair.second is triplet data
|
|
QList<QPair<int, int>> enhancements = enhanceMap.values(qMakePair(r, c));
|
|
|
|
for (int i=0; i<enhancements.size(); i++)
|
|
switch (enhancements.at(i).first) {
|
|
case 0x20: // Foreground colour
|
|
if ((enhancements.at(i).second & 0x60) == 0) {
|
|
layerApplyAttributes->applyForeColour = true;
|
|
layerApplyAttributes->attribute.foreColour = enhancements.at(i).second;
|
|
}
|
|
break;
|
|
case 0x23: // Background colour
|
|
if ((enhancements.at(i).second & 0x60) == 0) {
|
|
layerApplyAttributes->applyBackColour = true;
|
|
layerApplyAttributes->attribute.backColour = enhancements.at(i).second;
|
|
}
|
|
break;
|
|
case 0x27: // Additional flash functions
|
|
if ((enhancements.at(i).second & 0x60) == 0 && (enhancements.at(i).second & 0x18) != 0x18) { // Avoid reserved rate/phase
|
|
layerApplyAttributes->applyFlash = true;
|
|
layerApplyAttributes->attribute.flash.mode = enhancements.at(i).second & 0x03;
|
|
layerApplyAttributes->attribute.flash.ratePhase = (enhancements.at(i).second >> 2) & 0x07;
|
|
}
|
|
break;
|
|
case 0x2c: // Display attributes
|
|
layerApplyAttributes->applyDisplayAttributes = true;
|
|
layerApplyAttributes->attribute.display.doubleHeight = enhancements.at(i).second & 0x01;
|
|
layerApplyAttributes->attribute.display.boxingWindow = enhancements.at(i).second & 0x02;
|
|
layerApplyAttributes->attribute.display.conceal = enhancements.at(i).second & 0x04;
|
|
layerApplyAttributes->attribute.display.invert = enhancements.at(i).second & 0x10;
|
|
layerApplyAttributes->attribute.display.underlineSeparated = enhancements.at(i).second & 0x20;
|
|
// Selecting contiguous mosaics wih a triplet will override an earlier Level 1 separated mosaics attribute
|
|
layerApplyAttributes->attribute.display.forceContiguous = !layerApplyAttributes->attribute.display.underlineSeparated;
|
|
layerApplyAttributes->attribute.display.doubleWidth = enhancements.at(i).second & 0x40;
|
|
break;
|
|
}
|
|
if (m_objectType >= 2)
|
|
m_applyAttributes = *layerApplyAttributes;
|
|
}
|
|
|
|
|
|
void Level1Layer::updateRowCache(int r)
|
|
{
|
|
level1CacheAttributes buildCacheAttributes;
|
|
bool doubleHeightAttrFound = false;
|
|
|
|
for (int c=0; c<40; c++) {
|
|
unsigned char charCode = m_levelOnePage->character(r, c);
|
|
// Set at spacing attributes
|
|
switch (charCode) {
|
|
case 0x0c: // Normal size
|
|
if (buildCacheAttributes.sizeCode != 0x0c) // Size CHANGE resets held mosaic to space
|
|
buildCacheAttributes.holdChar = 0x20;
|
|
buildCacheAttributes.sizeCode = 0x0c;
|
|
break;
|
|
case 0x19: // Contiguous mosaics
|
|
buildCacheAttributes.separated = false;
|
|
break;
|
|
case 0x1a: // Separated mosaics
|
|
buildCacheAttributes.separated = true;
|
|
break;
|
|
case 0x1c: // Black background
|
|
buildCacheAttributes.backColour = 0x00;
|
|
break;
|
|
case 0x1d: // New background
|
|
buildCacheAttributes.backColour = buildCacheAttributes.foreColour & 0x07;
|
|
break;
|
|
case 0x1e: // Hold mosaics
|
|
buildCacheAttributes.held = true;
|
|
break;
|
|
}
|
|
|
|
if (buildCacheAttributes.mosaics && (charCode & 0x20)) {
|
|
buildCacheAttributes.holdChar = charCode;
|
|
buildCacheAttributes.holdSeparated = buildCacheAttributes.separated;
|
|
}
|
|
|
|
m_attributeCache[c] = buildCacheAttributes;
|
|
|
|
// Set-after spacing attributes
|
|
switch (charCode) {
|
|
case 0x00 ... 0x07: // Alphanumeric + foreground colour
|
|
buildCacheAttributes.foreColour = charCode;
|
|
buildCacheAttributes.mosaics = false;
|
|
buildCacheAttributes.holdChar = 0x20; // Switch from mosaics to alpha resets held mosaic
|
|
buildCacheAttributes.holdSeparated = false;
|
|
break;
|
|
case 0x10 ... 0x17: // Mosaic + foreground colour
|
|
buildCacheAttributes.foreColour = charCode & 0x07;
|
|
buildCacheAttributes.mosaics = true;
|
|
break;
|
|
case 0x0d: // Double height
|
|
case 0x0f: // Double size
|
|
doubleHeightAttrFound = true;
|
|
// fall-through
|
|
case 0x0e: // Double width
|
|
if (buildCacheAttributes.sizeCode != charCode) // Size CHANGE resets held mosaic to space
|
|
buildCacheAttributes.holdChar = 0x20;
|
|
buildCacheAttributes.sizeCode = charCode;
|
|
break;
|
|
case 0x1b: // ESC/switch
|
|
buildCacheAttributes.escSwitch ^= true;
|
|
break;
|
|
case 0x1f: // Release mosaics
|
|
buildCacheAttributes.held = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (doubleHeightAttrFound != m_rowHasDoubleHeightAttr[r]) {
|
|
m_rowHasDoubleHeightAttr[r] = doubleHeightAttrFound;
|
|
for (int dr=r; dr<24; dr++)
|
|
if (m_rowHasDoubleHeightAttr[dr]) {
|
|
m_rowHeight[dr] = RHtophalf;
|
|
m_rowHeight[++dr] = RHbottomhalf;
|
|
} else
|
|
m_rowHeight[dr] = RHnormal;
|
|
}
|
|
}
|
|
|
|
textCharacter Level1Layer::character(int r, int c)
|
|
{
|
|
textCharacter result;
|
|
|
|
if (r != m_rowCached)
|
|
updateRowCache(r);
|
|
if (c > 39 || m_rowHeight[r] == RHbottomhalf)
|
|
return { 0x20, 0 };
|
|
result.code = m_levelOnePage->character(r, c);
|
|
if (m_levelOnePage->secondCharSet() != 0xf && m_attributeCache[c].escSwitch)
|
|
result.set = g0CharacterMap.value(((m_levelOnePage->secondCharSet() << 3) | m_levelOnePage->secondNOS()), 0);
|
|
else
|
|
result.set = g0CharacterMap.value(((m_levelOnePage->defaultCharSet() << 3) | m_levelOnePage->defaultNOS()), 0);
|
|
if (result.code < 0x20) {
|
|
result.code = m_attributeCache[c].held ? m_attributeCache[c].holdChar : 0x20;
|
|
if (m_attributeCache[c].held && c > 0)
|
|
result.set = 24+m_attributeCache[c].holdSeparated;
|
|
// else
|
|
// result.set = m_attributeCache[c].mosaics*24;
|
|
} else if (m_attributeCache[c].mosaics && (result.code & 0x20))
|
|
result.set = 24+m_attributeCache[c].separated;
|
|
return result;
|
|
}
|
|
|
|
void Level1Layer::attributes(int r, int c, applyAttributes *layerApplyAttributes)
|
|
{
|
|
unsigned char characterCode;
|
|
|
|
if (m_rowHeight[r] == RHbottomhalf) {
|
|
layerApplyAttributes->copyAboveAttributes = true;
|
|
return;
|
|
}
|
|
if (r != m_rowCached)
|
|
updateRowCache(r);
|
|
if (c == 0 || c == 40 || c == 56) {
|
|
// Start of row default conditions, also when crossing into side panels
|
|
layerApplyAttributes->applyForeColour = true;
|
|
layerApplyAttributes->attribute.foreColour = 0x07;
|
|
layerApplyAttributes->applyBackColour = true;
|
|
layerApplyAttributes->attribute.backColour = 0x20;
|
|
layerApplyAttributes->applyDisplayAttributes = true;
|
|
layerApplyAttributes->applyFlash = true;
|
|
layerApplyAttributes->attribute.flash.mode = 0;
|
|
layerApplyAttributes->attribute.flash.ratePhase = 0;
|
|
layerApplyAttributes->attribute.display.doubleHeight = false;
|
|
layerApplyAttributes->attribute.display.doubleWidth = false;
|
|
layerApplyAttributes->attribute.display.boxingWindow = false;
|
|
layerApplyAttributes->attribute.display.conceal = false;
|
|
layerApplyAttributes->attribute.display.invert = false;
|
|
layerApplyAttributes->attribute.display.underlineSeparated = false;
|
|
layerApplyAttributes->attribute.display.forceContiguous = false;
|
|
//TODO fontstyle
|
|
}
|
|
if (c > 39)
|
|
return;
|
|
if (c > 0) {
|
|
// Set-after
|
|
characterCode = m_levelOnePage->character(r, c-1);
|
|
switch (characterCode) {
|
|
case 0x00 ... 0x07: // Alphanumeric + Foreground colour
|
|
case 0x10 ... 0x17: // Mosaic + Foreground colour
|
|
layerApplyAttributes->applyForeColour = true;
|
|
layerApplyAttributes->attribute.foreColour = characterCode & 0x07;
|
|
layerApplyAttributes->attribute.display.conceal = false;
|
|
break;
|
|
case 0x08: // Flashing
|
|
layerApplyAttributes->applyFlash = true;
|
|
layerApplyAttributes->attribute.flash.mode = 1;
|
|
layerApplyAttributes->attribute.flash.ratePhase = 0;
|
|
break;
|
|
case 0x0a: // End box
|
|
if (m_levelOnePage->character(r, c) == 0x0a) {
|
|
layerApplyAttributes->applyBoxingOnly = true;
|
|
layerApplyAttributes->attribute.display.boxingWindow = false;
|
|
}
|
|
break;
|
|
case 0x0b: // Start box
|
|
if (m_levelOnePage->character(r, c) == 0x0b) {
|
|
layerApplyAttributes->applyBoxingOnly = true;
|
|
layerApplyAttributes->attribute.display.boxingWindow = true;
|
|
}
|
|
break;
|
|
case 0x0d: // Double height
|
|
layerApplyAttributes->applyTextSizeOnly = true;
|
|
layerApplyAttributes->attribute.display.doubleHeight = true;
|
|
layerApplyAttributes->attribute.display.doubleWidth = false;
|
|
break;
|
|
case 0x0e: // Double width
|
|
layerApplyAttributes->applyTextSizeOnly = true;
|
|
layerApplyAttributes->attribute.display.doubleHeight = false;
|
|
layerApplyAttributes->attribute.display.doubleWidth = true;
|
|
break;
|
|
case 0x0f: // Double size
|
|
layerApplyAttributes->applyTextSizeOnly = true;
|
|
layerApplyAttributes->attribute.display.doubleHeight = true;
|
|
layerApplyAttributes->attribute.display.doubleWidth = true;
|
|
break;
|
|
}
|
|
}
|
|
// Set-at
|
|
characterCode = m_levelOnePage->character(r, c);
|
|
switch (characterCode) {
|
|
case 0x09: // Steady
|
|
layerApplyAttributes->applyFlash = true;
|
|
layerApplyAttributes->attribute.flash.mode = 0;
|
|
layerApplyAttributes->attribute.flash.ratePhase = 0;
|
|
break;
|
|
case 0x0c: // Normal size
|
|
layerApplyAttributes->applyTextSizeOnly = true;
|
|
layerApplyAttributes->attribute.display.doubleHeight = false;
|
|
layerApplyAttributes->attribute.display.doubleWidth = false;
|
|
break;
|
|
case 0x18: // Conceal
|
|
layerApplyAttributes->applyConcealOnly = true;
|
|
layerApplyAttributes->attribute.display.conceal = true;
|
|
break;
|
|
case 0x19: // Contiguous mosaics
|
|
layerApplyAttributes->applyContiguousOnly = true;
|
|
break;
|
|
case 0x1c: // Black background
|
|
layerApplyAttributes->applyBackColour = true;
|
|
layerApplyAttributes->attribute.backColour = 0x20;
|
|
break;
|
|
case 0x1d: // New background
|
|
layerApplyAttributes->applyBackColour = true;
|
|
layerApplyAttributes->attribute.backColour = m_attributeCache[c].backColour;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
ActivePosition::ActivePosition()
|
|
{
|
|
m_row = m_column = -1;
|
|
}
|
|
|
|
bool ActivePosition::setRow(int newRow)
|
|
{
|
|
if (newRow < m_row)
|
|
return false;
|
|
if (newRow > m_row) {
|
|
m_row = newRow;
|
|
m_column = -1;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool ActivePosition::setColumn(int newColumn)
|
|
{
|
|
if (newColumn < m_column)
|
|
return false;
|
|
if (m_row == -1)
|
|
m_row = 0;
|
|
m_column = newColumn;
|
|
return true;
|
|
}
|
|
/*
|
|
bool ActivePosition::setRowAndColumn(int newRow, int newColumn)
|
|
{
|
|
if (!setRow(newRow))
|
|
return false;
|
|
return setColumn(newColumn);
|
|
}
|
|
*/
|