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QTeletextMaker/render.cpp

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Initial commit.
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/*
Update copyright notices to 2021
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* Copyright (C) 2020, 2021 Gavin MacGregor
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*
* 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>
Use QPair in enhancement list
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#include <QPair>
Initial commit.
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#include <algorithm>
#include <vector>
#include "render.h"
TeletextPageRender::TeletextPageRender()
{
QPainter pixmapPainter;
m_fontBitmap = new QBitmap(":/images/teletextfont.png");
for (int i=0; i<6; i++)
m_pagePixmap[i] = new QPixmap(864, 250);
m_pagePixmap[0]->fill(Qt::transparent);
m_grid = 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];
delete m_fontBitmap;
}
Rename TeletextPage class to LevelOnePage
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void TeletextPageRender::setTeletextPage(LevelOnePage *newCurrentPage)
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{
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m_levelOnePage = newCurrentPage;
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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::setGrid(bool newGrid) { m_grid = newGrid; }
void TeletextPageRender::setShowCodes(bool newShowCodes)
{
m_showCodes = newShowCodes;
renderPage();
}
void TeletextPageRender::updateSidePanels()
{
int oldLeftSidePanelColumns = m_leftSidePanelColumns;
int oldRightSidePanelColumns = m_rightSidePanelColumns;
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if (m_renderLevel >= (3-m_levelOnePage->sidePanelStatusL25()) && m_levelOnePage->leftSidePanelDisplayed())
m_leftSidePanelColumns = (m_levelOnePage->sidePanelColumns() == 0) ? 16 : m_levelOnePage->sidePanelColumns();
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else
m_leftSidePanelColumns = 0;
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if (m_renderLevel >= (3-m_levelOnePage->sidePanelStatusL25()) && m_levelOnePage->rightSidePanelDisplayed())
m_rightSidePanelColumns = 16-m_levelOnePage->sidePanelColumns();
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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 {
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x26Triplet = &m_levelOnePage->enhancements()->at(tripletNumber);
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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
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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) {
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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 12 triplets 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
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if ((tripletPointer+1) >= m_levelOnePage->enhancements()->size())
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break;
// Check if we're pointing to an actual Object Definition of the same type
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if ((x26Triplet->mode() | 0x04) != m_levelOnePage->enhancements()->at(tripletPointer).mode())
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break;
// The Object Definition can't declare it's at triplet 13-15; only 12 triplets per packet
Hide enhancement QList behind access function
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if ((m_levelOnePage->enhancements()->at(tripletPointer).data() & 0x0f) > 12)
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break;
// Check if the Object Definition triplet is where it declares it is
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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)
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break;
// Is the object required at the current presentation Level?
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if (m_renderLevel == 2 && (m_levelOnePage->enhancements()->at(tripletPointer).address() & 0x08) == 0x00)
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break;
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if (m_renderLevel == 3 && (m_levelOnePage->enhancements()->at(tripletPointer).address() & 0x10) == 0x00)
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break;
EnhanceLayer *newLayer = new EnhanceLayer;
m_textLayer.push_back(newLayer);
newLayer->setObjectType(x26Triplet->mode() & 0x03);
newLayer->setOrigin(activePosition.row()+originModifierR, 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)
Use QPair in enhancement list
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enhanceLayer->enhanceMap.insert(qMakePair(activePosition.row(), activePosition.column()), qMakePair(x26Triplet->mode() | 0x20, x26Triplet->data()));
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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()))
Use QPair in enhancement list
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enhanceLayer->enhanceMap.insert(qMakePair(activePosition.row(), activePosition.column()), qMakePair(x26Triplet->mode() | 0x20, x26Triplet->data()));
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}
tripletNumber++;
Hide enhancement QList behind access function
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} while (!terminatorFound && tripletNumber < m_levelOnePage->enhancements()->size());
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}
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();
}
Rename TeletextPage class to LevelOnePage
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renderedFullScreenColour = (m_renderLevel >= 2) ? m_levelOnePage->defaultScreenColour() : 0;
downwardsFullRowColour = (m_renderLevel >= 2) ? m_levelOnePage->defaultRowColour() : 0;
Initial commit.
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setFullScreenColour(renderedFullScreenColour);
for (int r=0; r<25; r++)
setFullRowColour(r ,downwardsFullRowColour);
m_textLayer[1]->enhanceMap.clear();
Hide enhancement QList behind access function
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if (m_renderLevel == 0 || m_levelOnePage->enhancements()->empty())
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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;
Add enum representing page Control Bits
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bool transparentBackground = (m_levelOnePage->controlBit(PageBase::C5Newsflash) || m_levelOnePage->controlBit(PageBase::C6Subtitle) || m_mix) && !resultAttributes.display.boxingWindow;
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// bool transparentForeground = false;
if (transparentBackground) {
pixmapPainter.setCompositionMode(QPainter::CompositionMode_Clear);
pixmapPainter.eraseRect(c*12, r*10, charWidth, charHeight);
pixmapPainter.setCompositionMode(QPainter::CompositionMode_SourceOver);
}
Add enum representing page Control Bits
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if ((m_levelOnePage->controlBit(PageBase::C5Newsflash) || m_levelOnePage->controlBit(PageBase::C6Subtitle)) && !resultAttributes.display.boxingWindow) {
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// 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, (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, 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);
}
if (m_grid) {
pixmapPainter.setPen(QColor(128, 128, 128, (c <= 39) ? 192 : 64));
pixmapPainter.drawRect(c*12, r*10, 11, 9);
}
};
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) {
Rename TeletextPage class to LevelOnePage
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// m_cell[r][c].level1Mosaic = (resultCharacter.set == 24 || resultCharacter.set == 25) && m_levelOnePage->character(r, c) >= 0x20;
Initial commit.
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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)
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resultAttributes.foreColour |= m_foregroundRemap[m_levelOnePage->colourTableRemap()];
Initial commit.
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}
if (layerApplyAttributes.applyBackColour) {
resultAttributes.backColour = layerApplyAttributes.attribute.backColour;
if (l == 0) {
if (m_renderLevel >= 2)
if (resultAttributes.backColour == 0x20)
Rename TeletextPage class to LevelOnePage
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resultAttributes.backColour = (c > 39 || m_levelOnePage->blackBackgroundSubst()) ? m_fullRowColour[r] : m_backgroundRemap[m_levelOnePage->colourTableRemap()];
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else
Rename TeletextPage class to LevelOnePage
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resultAttributes.backColour |= m_backgroundRemap[m_levelOnePage->colourTableRemap()];
Initial commit.
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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) {
Move CLUTtoQColor to inside levelonepage class
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foreQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.foreColour, m_renderLevel);
backQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.backColour, m_renderLevel);
Initial commit.
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} else {
Move CLUTtoQColor to inside levelonepage class
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foreQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.backColour, m_renderLevel);
backQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.foreColour, m_renderLevel);
Initial commit.
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}
renderCharacter();
Rename TeletextPage class to LevelOnePage
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if (m_showCodes && c < 40 && m_levelOnePage->character(r, c)<0x20 && !m_level1Layer.isRowBottomHalf(r) && !m_cell[r][c].bottomHalf) {
Initial commit.
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pixmapPainter.setBackground(QBrush(QColor(0, 0, 0, 128)));
pixmapPainter.setPen(QColor(255, 255, 255, 224));
Rename TeletextPage class to LevelOnePage
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pixmapPainter.drawPixmap(c*12, r*10, 12, 10, *m_fontBitmap, (m_levelOnePage->character(r, c)+32)*12, 250, 12, 10);
Initial commit.
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}
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) {
Move CLUTtoQColor to inside levelonepage class
2021-01-19 18:27:30 +00:00
foreQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.foreColour, m_renderLevel);
backQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.backColour, m_renderLevel);
Initial commit.
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} else {
Move CLUTtoQColor to inside levelonepage class
2021-01-19 18:27:30 +00:00
foreQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.backColour, m_renderLevel);
backQColour = m_levelOnePage->CLUTtoQColor(resultAttributes.foreColour, m_renderLevel);
Initial commit.
2020-09-06 16:47:38 +01:00
}
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)
{
Add enum representing page Control Bits
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if (m_mix || m_levelOnePage->controlBit(PageBase::C5Newsflash) || m_levelOnePage->controlBit(PageBase::C6Subtitle)) {
Initial commit.
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m_finalFullScreenQColor = QColor(0, 0, 0, 0);
emit fullScreenColourChanged(QColor(0, 0, 0, 0));
return;
}
Move CLUTtoQColor to inside levelonepage class
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QColor newFullScreenQColor = m_levelOnePage->CLUTtoQColor(newColour, m_renderLevel);
Initial commit.
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m_finalFullScreenColour = newColour;
if (m_finalFullScreenQColor != newFullScreenQColor) {
m_finalFullScreenQColor = newFullScreenQColor;
emit fullScreenColourChanged(m_finalFullScreenQColor);
}
}
inline void TeletextPageRender::setFullRowColour(int row, int newColour)
{
Add enum representing page Control Bits
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if (m_mix || m_levelOnePage->controlBit(PageBase::C5Newsflash) || m_levelOnePage->controlBit(PageBase::C6Subtitle)) {
Initial commit.
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m_fullRowQColor[row] = QColor(0, 0, 0, 0);
emit fullRowColourChanged(row, QColor(0, 0, 0, 0));
return;
}
Move CLUTtoQColor to inside levelonepage class
2021-01-19 18:27:30 +00:00
QColor newFullRowQColor = m_levelOnePage->CLUTtoQColor(newColour, m_renderLevel);
Initial commit.
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m_fullRowColour[row] = newColour;
if (m_fullRowQColor[row] != newFullRowQColor) {
m_fullRowQColor[row] = newFullRowQColor;
emit fullRowColourChanged(row, m_fullRowQColor[row]);
}
}
Rename TeletextPage class to LevelOnePage
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void TextLayer::setTeletextPage(LevelOnePage *newCurrentPage) { m_levelOnePage = newCurrentPage; }
Initial commit.
2020-09-06 16:47:38 +01:00
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 };
Use QPair in enhancement list
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// QPair.first is triplet mode, QPair.second is triplet data
QList<QPair<int, int>> enhancements = enhanceMap.values(qMakePair(r, c));
Initial commit.
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if (enhancements.size() > 0)
for (int i=0; i<enhancements.size(); i++)
Use QPair in enhancement list
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switch (enhancements.at(i).first) {
Initial commit.
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case 0x2b: // G3 mosaic character at Level 2.5
case 0x22: // G3 mosaic character at Level 1.5
Use QPair in enhancement list
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return { enhancements.at(i).second, 26 };
Initial commit.
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case 0x29: // G0 character at Level 2.5
Use QPair in enhancement list
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return { enhancements.at(i).second, 0 };
Initial commit.
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case 0x2f: // G2 character
Use QPair in enhancement list
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return { enhancements.at(i).second, 7 };
Initial commit.
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case 0x30 ... 0x3f: // Diacritical
Use QPair in enhancement list
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// Deal with @ symbol replacing * symbol - clause 15.6.1 note 3 in spec
if (enhancements.at(i).first == 0x30 && enhancements.at(i).second == 0x2a)
Initial commit.
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return { 0x40, 0 };
else
Use QPair in enhancement list
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return { enhancements.at(i).second, 0, enhancements.at(i).first & 0x0f };
Initial commit.
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case 0x21: // G1 character
Use QPair in enhancement list
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if ((enhancements.at(i).second) >= 0x20)
return { enhancements.at(i).second, (enhancements.at(i).second & 0x20) ? 24 : 0 };
Initial commit.
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}
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--)
Use QPair in enhancement list
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if (enhanceMap.contains(qMakePair(r, cc))) {
Initial commit.
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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;
}
Use QPair in enhancement list
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// QPair.first is triplet mode, QPair.second is triplet data
QList<QPair<int, int>> enhancements = enhanceMap.values(qMakePair(r, c));
Initial commit.
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for (int i=0; i<enhancements.size(); i++)
Use QPair in enhancement list
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switch (enhancements.at(i).first) {
Initial commit.
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case 0x20: // Foreground colour
Use QPair in enhancement list
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if ((enhancements.at(i).second & 0x60) == 0) {
Initial commit.
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layerApplyAttributes->applyForeColour = true;
Use QPair in enhancement list
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layerApplyAttributes->attribute.foreColour = enhancements.at(i).second;
Initial commit.
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}
break;
case 0x23: // Background colour
Use QPair in enhancement list
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if ((enhancements.at(i).second & 0x60) == 0) {
Initial commit.
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layerApplyAttributes->applyBackColour = true;
Use QPair in enhancement list
2021-01-31 11:54:45 +00:00
layerApplyAttributes->attribute.backColour = enhancements.at(i).second;
Initial commit.
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}
break;
case 0x27: // Additional flash functions
Use QPair in enhancement list
2021-01-31 11:54:45 +00:00
if ((enhancements.at(i).second & 0x60) == 0 && (enhancements.at(i).second & 0x18) != 0x18) { // Avoid reserved rate/phase
Initial commit.
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layerApplyAttributes->applyFlash = true;
Use QPair in enhancement list
2021-01-31 11:54:45 +00:00
layerApplyAttributes->attribute.flash.mode = enhancements.at(i).second & 0x03;
layerApplyAttributes->attribute.flash.ratePhase = (enhancements.at(i).second >> 2) & 0x07;
Initial commit.
2020-09-06 16:47:38 +01:00
}
break;
case 0x2c: // Display attributes
layerApplyAttributes->applyDisplayAttributes = true;
Use QPair in enhancement list
2021-01-31 11:54:45 +00:00
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;
Initial commit.
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// Selecting contiguous mosaics wih a triplet will override an earlier Level 1 separated mosaics attribute
layerApplyAttributes->attribute.display.forceContiguous = !layerApplyAttributes->attribute.display.underlineSeparated;
Use QPair in enhancement list
2021-01-31 11:54:45 +00:00
layerApplyAttributes->attribute.display.doubleWidth = enhancements.at(i).second & 0x40;
Initial commit.
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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++) {
Rename TeletextPage class to LevelOnePage
2020-09-16 11:15:46 +01:00
unsigned char charCode = m_levelOnePage->character(r, c);
Initial commit.
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// 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 };
Rename TeletextPage class to LevelOnePage
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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);
Initial commit.
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else
Rename TeletextPage class to LevelOnePage
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result.set = g0CharacterMap.value(((m_levelOnePage->defaultCharSet() << 3) | m_levelOnePage->defaultNOS()), 0);
Initial commit.
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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
Rename TeletextPage class to LevelOnePage
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characterCode = m_levelOnePage->character(r, c-1);
Initial commit.
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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
Rename TeletextPage class to LevelOnePage
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if (m_levelOnePage->character(r, c) == 0x0a) {
Initial commit.
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layerApplyAttributes->applyBoxingOnly = true;
layerApplyAttributes->attribute.display.boxingWindow = false;
}
break;
case 0x0b: // Start box
Rename TeletextPage class to LevelOnePage
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if (m_levelOnePage->character(r, c) == 0x0b) {
Initial commit.
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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
Rename TeletextPage class to LevelOnePage
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characterCode = m_levelOnePage->character(r, c);
Initial commit.
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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);
}
*/
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