void Componentality::Graphics::operator-=(ISurface& dst, ISurface& src)
{
for (size_t i = 0; i < ____min(dst.getWidth(), src.getWidth()); i++)
for (size_t j = 0; j < ____min(dst.getHeight(), src.getHeight()); j++)
{
ColorRGB dst_color = dst.peek(i, j);
ColorRGB src_color = src.peek(i, j);
dst_color.red -= src_color.red;
dst_color.green -= src_color.green;
dst_color.blue -= src_color.blue;
dst.plot(i, j, dst_color);
}
}
Margins Caption::draw(ISurface& surface)
{
Point topleft(0, 0), rightbottom(surface.getWidth(), mHeight);
ViewPort vp(surface, topleft, rightbottom);
Drawer drawer(vp);
Point _topleft(0, 0), _rightbottom(vp.getWidth() - 1, vp.getHeight() - 1);
drawer.filled_rectangle(_topleft, _rightbottom, mColor);
Drawer linedrawer(surface);
topleft.y = mHeight;
linedrawer.line(topleft, rightbottom, mLineColor);
{
ITextOutput* text_output = provideTextOutput(vp);
text_output->setFont(mFont);
text_output->setColor(mFontColor);
text_output->setMargins(mMargins);
System::Alignments align = System::getSystemProperties().getAlignments(System::SYSALIGN_CAPTION_TEXT);
text_output->setHAlignment(align.first);
text_output->setVAlignment(align.second);
text_output->print(mTitle);
delete text_output;
}
Margins results;
results.mBottom = results.mLeft = results.mRight = 0;
results.mTop = mHeight + 1;
IElement::draw(vp);
return results;
}
Margins EditBox::draw(ISurface& master)
{
if (isHidden())
return Margins();
CST::Common::scoped_lock lock(mLock);
Margins margins = getMargins();
if (!mFrameColor.isUndefined())
{
Drawer drawer(master);
drawer.rectangle(Point(0, 0), Point(master.getWidth() - 1, master.getHeight() - 1), mFrameColor);
margins += Margins(1, 1, 1, 1);
}
if (!mBackgroundColor.isUndefined())
{
Drawer drawer(master);
drawer.filled_rectangle(Point(1, 1), Point(master.getWidth() - 2, master.getHeight() - 2), mBackgroundColor);
}
ViewPort basic_surface(master, margins.getTopLeft(master), margins.getRightBottom(master));
if (mCursor)
{
if (mCursorColor.isUndefined())
{
Color color = getColor();
Componentality::Graphics::Color cursor_color(255 - color.operator Componentality::Graphics::ColorRGB().red,
255 - color.operator Componentality::Graphics::ColorRGB().green,
255 - color.operator Componentality::Graphics::ColorRGB().blue);
mCursor->setColor(cursor_color);
}
else
mCursor->setColor(mCursorColor);
std::pair<Point, std::pair<size_t, size_t> > cursor_defs = positionCursor(basic_surface);
mCursor->setLocation(cursor_defs.first + margins.getTopLeft(master));
mCursor->setSize(cursor_defs.second.first, cursor_defs.second.second);
mCursor->reset();
}
Font* font = System::getSystemProperties().getFontSet().find(this->getFont());
MovingPort surface(basic_surface, -(int) mScrolling, 0);
if (font)
{
std::list<int> text = getText();
font->setForeground(mColor);
font->print(surface, Point(1, 0), text);
}
IElement::draw(surface);
return margins;
}
Margins Frame::draw(ISurface& surface)
{
Point topleft(mWidth / 2, mWidth / 2), bottomright(surface.getWidth() - mWidth / 2 - 1, surface.getHeight() - mWidth / 2 - 1);
AdvancedSurface asurface(surface);
SquareBrush brush(mWidth);
asurface.setBrush(&brush);
Drawer drawer(asurface);
drawer.rectangle(topleft, bottomright, mColor);
Margins result;
result.mBottom = result.mLeft = result.mRight = result.mTop = mWidth;
ViewPort port = getDrawArea(surface, result);
IElement::draw(port);
return result;
}
std::pair<Point, std::pair<size_t, size_t> > EditBox::positionCursor(ISurface& surface)
{
CST::Common::scoped_lock lock(mLock);
std::pair<Point, std::pair<size_t, size_t> > result(Point(0, 0), std::pair<size_t, size_t>(0, 0));
NullSurface null_surface((size_t)-1, (size_t)-1);
Font* font = System::getSystemProperties().getFontSet().find(this->getFont());
if (!font)
return result;
Measurer measurer(this->mPosition);
std::list<int> string = getText();
font->print(null_surface, Point(0, 0), string, &measurer);
if (System::getSystemProperties().getCursorType() == System::SYSCURSOR_HORIZONTAL)
{
result.first.x = mPosition < string.size() ? measurer.mBegin : measurer.mTotal;
result.second.first = (measurer.mBegin != (size_t)-1) && (measurer.mEnd != (size_t)-1) ? measurer.mEnd - measurer.mBegin : font->getHeight() / 2;
result.first.y = font->getBaseline() + System::getSystemProperties().getCursorIndent();
result.second.second = mCursor->getSize().second;
}
else if (System::getSystemProperties().getCursorType() == System::SYSCURSOR_VERTICAL)
{
result.first.x = mPosition < string.size() ? measurer.mBegin : measurer.mTotal;
result.second.first = mCursor->getSize().first;
result.first.y = 0;
result.second.second = font->getHeight() - result.first.y;
}
while (result.first.x + mSpace >= mScrolling + (int) surface.getWidth())
{
mScrolling += mSpace;
}
while (result.first.x < mScrolling)
{
mScrolling -= ____min(mSpace, mScrolling);
}
result.first.x -= mScrolling;
return result;
}