daniel/QTeletextMaker
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Add monochrome rendering modes

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These modes can be used to see the inner workings of colourful artworks that
frequently use "foreground colour, new background, foreground colour",
particularly to show exactly which colours are represented by set or clear
sixels.

One mode renders all characters in white on a black background and the other
mode renders black characters on a white background. The latter could be used
to save ink if the resulting image is printed.

Flash is suppressed in these mono modes, this may or may not change.
This commit is contained in:
Gavin MacGregor
2024-12-01 17:44:58 +00:00
parent 26b5974421
commit 48a2b48964
5 changed files with 110 additions and 74 deletions
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55
src/qteletextmaker/mainwidget.cpp
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@@ -161,18 +161,18 @@ void TeletextWidget::setReveal(bool reveal)
update();
}
void TeletextWidget::setMix(bool mix)
{
m_pageRender.setMix(mix);
update();
}
void TeletextWidget::setShowControlCodes(bool showControlCodes)
{
m_pageRender.setShowControlCodes(showControlCodes);
update();
}
void TeletextWidget::setRenderMode(TeletextPageRender::RenderMode renderMode)
{
m_pageRender.setRenderMode(renderMode);
update();
}
void TeletextWidget::setControlBit(int bitNumber, bool active)
{
m_levelOnePage->setControlBit(bitNumber, active);
@@ -705,19 +705,34 @@ void LevelOneScene::updateSelection()
m_selectionRectItem->setVisible(true);
}
void LevelOneScene::setMix(bool mix)
void LevelOneScene::setRenderMode(TeletextPageRender::RenderMode renderMode)
{
if (mix) {
m_fullScreenTopRectItem->setBrush(Qt::transparent);
m_fullScreenBottomRectItem->setBrush(Qt::transparent);
for (int r=0; r<25; r++) {
m_fullRowLeftRectItem[r]->setBrush(Qt::transparent);
m_fullRowRightRectItem[r]->setBrush(Qt::transparent);
}
} else {
setFullScreenColour(static_cast<TeletextWidget *>(m_levelOneProxyWidget->widget())->pageDecode()->fullScreenQColor());
for (int r=0; r<25; r++)
setFullRowColour(r, static_cast<TeletextWidget *>(m_levelOneProxyWidget->widget())->pageDecode()->fullRowQColor(r));
static_cast<TeletextWidget *>(m_levelOneProxyWidget->widget())->setRenderMode(renderMode);
QColor fullColour;
switch (renderMode) {
case TeletextPageRender::RenderNormal:
setFullScreenColour(static_cast<TeletextWidget *>(m_levelOneProxyWidget->widget())->pageDecode()->fullScreenQColor());
for (int r=0; r<25; r++)
setFullRowColour(r, static_cast<TeletextWidget *>(m_levelOneProxyWidget->widget())->pageDecode()->fullRowQColor(r));
return;
case TeletextPageRender::RenderMix:
fullColour = Qt::transparent;
break;
case TeletextPageRender::RenderWhiteOnBlack:
fullColour = Qt::black;
break;
case TeletextPageRender::RenderBlackOnWhite:
fullColour = Qt::white;
break;
}
m_fullScreenTopRectItem->setBrush(fullColour);
m_fullScreenBottomRectItem->setBrush(fullColour);
for (int r=0; r<25; r++) {
m_fullRowLeftRectItem[r]->setBrush(fullColour);
m_fullRowRightRectItem[r]->setBrush(fullColour);
}
}
@@ -782,7 +797,7 @@ void LevelOneScene::keyReleaseEvent(QKeyEvent *keyEvent)
void LevelOneScene::setFullScreenColour(const QColor &newColor)
{
if (!static_cast<TeletextWidget *>(m_levelOneProxyWidget->widget())->pageRender()->mix()) {
if (static_cast<TeletextWidget *>(m_levelOneProxyWidget->widget())->pageRender()->renderMode() == TeletextPageRender::RenderNormal) {
m_fullScreenTopRectItem->setBrush(newColor);
m_fullScreenBottomRectItem->setBrush(newColor);
}
@@ -790,7 +805,7 @@ void LevelOneScene::setFullScreenColour(const QColor &newColor)
void LevelOneScene::setFullRowColour(int row, const QColor &newColor)
{
if (!static_cast<TeletextWidget *>(m_levelOneProxyWidget->widget())->pageRender()->mix()) {
if (static_cast<TeletextWidget *>(m_levelOneProxyWidget->widget())->pageRender()->renderMode() == TeletextPageRender::RenderNormal) {
m_fullRowLeftRectItem[row]->setBrush(newColor);
m_fullRowRightRectItem[row]->setBrush(newColor);
}