daniel/QTeletextMaker
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Store text in packets instead of array

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This removes the character array from the LevelOnePage class and stores the
characters in packets 0 to 24 natively, adding a packet when a character is
first added to a row and removing a packet when a row becomes space
characters.
This commit is contained in:
Gavin MacGregor
2025-02-13 22:55:11 +00:00
parent 9427760631
commit 923c5563d5
2 changed files with 34 additions and 45 deletions
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65
src/qteletextdecoder/levelonepage.cpp
View File

@@ -36,9 +36,6 @@ LevelOnePage::LevelOnePage()
// So far we only call clearPage() once, within the constructor
void LevelOnePage::clearPage()
{
for (int r=0; r<25; r++)
for (int c=0; c<40; c++)
m_level1Page[r][c] = 0x20;
for (int b=C4ErasePage; b<=C14NOS; b++)
setControlBit(b, false);
for (int i=0; i<8; i++)
@@ -74,26 +71,12 @@ bool LevelOnePage::isEmpty() const
return false;
for (int r=0; r<25; r++)
for (int c=0; c<40; c++)
if (m_level1Page[r][c] != 0x20)
return false;
if (!PageX26Base::packet(r).isEmpty())
return false;
return true;
}
QByteArray LevelOnePage::packet(int y) const
{
QByteArray result(40, 0x00);
if (y <= 24) {
for (int c=0; c<40; c++)
result[c] = m_level1Page[y][c];
return result;
}
return PageX26Base::packet(y);
}
QByteArray LevelOnePage::packet(int y, int d) const
{
QByteArray result(40, 0x00);
@@ -160,17 +143,15 @@ QByteArray LevelOnePage::packet(int y, int d) const
return PageX26Base::packet(y, d);
}
/*
bool LevelOnePage::setPacket(int y, QByteArray pkt)
{
if (y <= 24) {
for (int c=0; c<40; c++)
m_level1Page[y][c] = pkt.at(c);
return true;
}
if (y == 25)
qDebug("LevelOnePage unhandled setPacket X/25");
qDebug("LevelOnePage unhandled setPacket X/%d", y);
return PageX26Base::setPacket(y, pkt);
}
*/
bool LevelOnePage::setPacket(int y, int d, QByteArray pkt)
{
@@ -239,18 +220,6 @@ bool LevelOnePage::setPacket(int y, int d, QByteArray pkt)
return PageX26Base::setPacket(y, d, pkt);
}
bool LevelOnePage::packetExists(int y) const
{
if (y <= 24) {
for (int c=0; c<40; c++)
if (m_level1Page[y][c] != 0x20)
return true;
return false;
}
return PageX26Base::packetExists(y);
}
bool LevelOnePage::packetExists(int y, int d) const
{
if (y == 26)
@@ -341,7 +310,27 @@ void LevelOnePage::setSecondCharSet(int newSecondCharSet)
}
void LevelOnePage::setSecondNOS(int newSecondNOS) { m_secondNOS = newSecondNOS; }
void LevelOnePage::setCharacter(int row, int column, unsigned char newCharacter) { m_level1Page[row][column] = newCharacter; }
void LevelOnePage::setCharacter(int r, int c, unsigned char newCharacter)
{
QByteArray pkt;
if (!packetExists(r)) {
if (newCharacter == 0x20)
return;
pkt = QByteArray(40, 0x20);
pkt[c] = newCharacter;
setPacket(r, pkt);
} else {
pkt = packet(r);
pkt[c] = newCharacter;
if (pkt == QByteArray(40, 0x20))
clearPacket(r);
else
setPacket(r, pkt);
}
}
void LevelOnePage::setDefaultScreenColour(int newDefaultScreenColour) { m_defaultScreenColour = newDefaultScreenColour; }
void LevelOnePage::setDefaultRowColour(int newDefaultRowColour) { m_defaultRowColour = newDefaultRowColour; }
void LevelOnePage::setColourTableRemap(int newColourTableRemap) { m_colourTableRemap = newColourTableRemap; }

14
src/qteletextdecoder/levelonepage.h
View File

@@ -33,18 +33,19 @@ class LevelOnePage : public PageX26Base //: public QObject
//Q_OBJECT
public:
using PageX26Base::packet;
using PageX26Base::setPacket;
using PageX26Base::packetExists;
enum CycleTypeEnum { CTcycles, CTseconds };
LevelOnePage();
bool isEmpty() const override;
QByteArray packet(int y) const override;
QByteArray packet(int y, int d) const override;
bool packetExists(int y) const override;
bool packetExists(int y, int d) const override;
bool setPacket(int y, QByteArray pkt) override;
bool setPacket(int y, int d, QByteArray pkt) override;
bool packetExists(int y, int d) const override;
bool controlBit(int b) const override;
bool setControlBit(int b, bool active) override;
@@ -66,8 +67,8 @@ public:
void setSecondCharSet(int newSecondCharSet);
int secondNOS() const { return m_secondNOS; }
void setSecondNOS(int newSecondNOS);
unsigned char character(int row, int column) const { return m_level1Page[row][column]; }
void setCharacter(int row, int column, unsigned char newCharacter);
unsigned char character(int r, int c) const { return PageX26Base::packetExists(r) ? PageX26Base::packet(r).at(c) : 0x20; }
void setCharacter(int r, int c, unsigned char newChar);
int defaultScreenColour() const { return m_defaultScreenColour; }
void setDefaultScreenColour(int newDefaultScreenColour);
int defaultRowColour() const { return m_defaultRowColour; }
@@ -104,7 +105,6 @@ public:
void setComposeLinkSubPageCodes(int linkNumber, int newSubPageCodes);
private:
unsigned char m_level1Page[25][40];
/* int m_subPageNumber; */
int m_cycleValue;
CycleTypeEnum m_cycleType;