static void drawChar(uchar ch, float x, float y, AbstractFont *font,
int alignFlags, short /*textFlags*/)
{
if(alignFlags & ALIGN_RIGHT)
{
x -= font->glyphPosCoords(ch).width();
}
else if(!(alignFlags & ALIGN_LEFT))
{
x -= font->glyphPosCoords(ch).width() / 2;
}
int const ascent = font->ascent();
int const lineHeight = ascent? ascent : font->glyphPosCoords(ch).height();
if(alignFlags & ALIGN_BOTTOM)
{
y -= topToAscent(font) + lineHeight;
}
else if(!(alignFlags & ALIGN_TOP))
{
y -= (topToAscent(font) + lineHeight) / 2;
}
LIBGUI_GL.glMatrixMode(GL_MODELVIEW);
LIBGUI_GL.glTranslatef(x, y, 0);
Rectanglei geometry = font->glyphPosCoords(ch);
if(BitmapFont *bmapFont = font->maybeAs<BitmapFont>())
{
/// @todo Filtering should be determined at a higher level.
/// @todo We should not need to re-bind this texture here.
GL_BindTextureUnmanaged(bmapFont->textureGLName(), gl::ClampToEdge,
gl::ClampToEdge, filterUI? gl::Linear : gl::Nearest);
geometry = geometry.expanded(bmapFont->textureMargin().toVector2i());
}
else if(CompositeBitmapFont *compFont = font->maybeAs<CompositeBitmapFont>())
{
GL_BindTexture(compFont->glyphTexture(ch));
geometry = geometry.expanded(compFont->glyphTextureBorder(ch));
}
Vector2i coords[4] = { font->glyphTexCoords(ch).topLeft,
font->glyphTexCoords(ch).topRight(),
font->glyphTexCoords(ch).bottomRight,
font->glyphTexCoords(ch).bottomLeft() };
GL_DrawRectWithCoords(geometry, coords);
if(font->is<CompositeBitmapFont>())
{
GL_SetNoTexture();
}
LIBGUI_GL.glMatrixMode(GL_MODELVIEW);
LIBGUI_GL.glTranslatef(-x, -y, 0);
}
/**
* Submits the image to the backing store, or commits it if no backing
* store is available.
*
* @param image Image.
* @param rect Rectangle for the image determined by an IAllocator.
*/
void submitImage(Image const &image, Rectanglei const &rect)
{
Rectanglei const noBorders = rect.shrunk(border);
Rectanglei const withMargin = rect.expanded(margin);
if (hasBacking())
{
// The margin is cleared to transparent black.
backing.fill(withMargin, Image::Color(0, 0, 0, 0));
if (border > 0)
{
if (flags.testFlag(WrapBordersInBackingStore))
{
// Wrap using the source image (left, right, top, bottom edges).
backing.drawPartial(image, Rectanglei(0, 0, border, image.height()),
rect.topRight() + Vector2i(-border, border));
backing.drawPartial(image, Rectanglei(image.width() - border, 0,
border, image.height()),
rect.topLeft + Vector2i(0, border));
backing.drawPartial(image, Rectanglei(0, 0, image.width(), border),
rect.bottomLeft() + Vector2i(border, -border));
backing.drawPartial(image, Rectanglei(0, image.height() - border,
image.width(), border),
rect.topLeft + Vector2i(border, 0));
}
}
backing.draw(image, noBorders.topLeft);
//backing.toQImage().save(QString("backing-%1.png").arg(uint64_t(this)));
markAsChanged(rect);
}
else
{
// No backing, must commit immediately.
if (border > 0)
{
// Expand with borders (repeat edges).
QImage const srcImg = image.toQImage();
int const sw = srcImg.width();
int const sh = srcImg.height();
QImage bordered(QSize(rect.width(), rect.height()), srcImg.format());
int const w = bordered.width();
int const h = bordered.height();
QPainter painter(&bordered);
painter.setCompositionMode(QPainter::CompositionMode_Source);
painter.fillRect(bordered.rect(), QColor(0, 0, 0, 0));
/// @todo This really only works for a border of 1 pixels. Should
/// repeat the same outmost edge pixels for every border. -jk
painter.drawImage(border, border, srcImg);
painter.drawImage(border, 0, srcImg, 0, 0, sw, 1); // top
painter.drawImage(border, h - 1, srcImg, 0, sh - 1, sw, 1); // bottom
painter.drawImage(0, border, srcImg, 0, 0, 1, sh); // left
painter.drawImage(w - 1, border, srcImg, sw - 1, 0, 1, sh); // right
// Corners.
painter.drawImage(0, 0, srcImg, 0, 0, 1, 1);
painter.drawImage(w - 1, 0, srcImg, sw - 1, 0, 1, 1);
painter.drawImage(0, h - 1, srcImg, 0, sh - 1, 1, 1);
painter.drawImage(w - 1, h - 1, srcImg, sw - 1, sh - 1, 1, 1);
self().commit(bordered, rect.topLeft);
}
else
{
self().commit(image, noBorders.topLeft);
}
}
}