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fixed retina boxshadow

This commit is contained in:
John Preston 2015-05-22 14:43:47 +03:00
parent 7ca4ec1bed
commit 63e593b3a8
1 changed files with 21 additions and 17 deletions
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38
Telegram/SourceFiles/gui/boxshadow.cpp
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@ -26,7 +26,7 @@ BoxShadow::BoxShadow(const style::sprite &topLeft) : _size(topLeft.pxWidth()), _
cornersImage.setDevicePixelRatio(cRetinaFactor());
{
QPainter p(&cornersImage);
p.drawPixmap(QPoint(rtl() ? _pixsize : 0, 0), App::sprite(), topLeft);
p.drawPixmap(QPoint(rtl() ? _size : 0, 0), App::sprite(), topLeft);
}
if (rtl()) cornersImage = cornersImage.mirrored(true, false);
uchar *bits = cornersImage.bits();
@ -42,12 +42,16 @@ BoxShadow::BoxShadow(const style::sprite &topLeft) : _size(topLeft.pxWidth()), _
{
QPainter p(&cornersImage);
p.setCompositionMode(QPainter::CompositionMode_Source);
p.drawImage(0, _pixsize, cornersImage.mirrored(), 0, _pixsize, _pixsize, _pixsize);
QImage m = cornersImage.mirrored();
m.setDevicePixelRatio(cRetinaFactor());
p.drawImage(0, _size, m, 0, _pixsize, _pixsize, _pixsize);
}
{
QPainter p(&cornersImage);
p.setCompositionMode(QPainter::CompositionMode_Source);
p.drawImage(_pixsize, 0, cornersImage.mirrored(true, false), _pixsize, 0, _pixsize, _pixsize * 2);
QImage m = cornersImage.mirrored(true, false);
m.setDevicePixelRatio(cRetinaFactor());
p.drawImage(_size, 0, m, _pixsize, 0, _pixsize, _pixsize * 2);
}
_corners = QPixmap::fromImage(cornersImage, Qt::ColorOnly);
_corners.setDevicePixelRatio(cRetinaFactor());
@ -75,28 +79,28 @@ BoxShadow::BoxShadow(const style::sprite &topLeft) : _size(topLeft.pxWidth()), _
void BoxShadow::paint(QPainter &p, const QRect &box, int32 shifty, int32 flags) {
if (!_size) return;
int32 add = shifty;
int32 count = _colors.size(), minus = _size - count + add;
int32 rshifty = shifty * cIntRetinaFactor();
int32 count = _colors.size(), countsize = count / cIntRetinaFactor(), minus = _size - countsize + shifty;
bool left = (flags & Left), top = (flags & Top), right = (flags & Right), bottom = (flags & Bottom);
if (left && top) p.drawPixmap(box.left() - _size + minus, box.top() - _size + minus + shifty, _corners, 0, 0, _size, _size);
if (right && top) p.drawPixmap(box.left() + box.width() - minus, box.top() - _size + minus + shifty, _corners, _size, 0, _size, _size);
if (right && bottom) p.drawPixmap(box.left() + box.width() - minus, box.top() + box.height() - minus + shifty, _corners, _size, _size, _size, _size);
if (left && bottom) p.drawPixmap(box.left() - _size + minus, box.top() + box.height() - minus + shifty, _corners, 0, _size, _size, _size);
if (left && top) p.drawPixmap(box.left() - _size + minus, box.top() - _size + minus + shifty, _corners, 0, 0, _pixsize, _pixsize);
if (right && top) p.drawPixmap(box.left() + box.width() - minus, box.top() - _size + minus + shifty, _corners, _pixsize, 0, _pixsize, _pixsize);
if (right && bottom) p.drawPixmap(box.left() + box.width() - minus, box.top() + box.height() - minus + shifty, _corners, _pixsize, _pixsize, _pixsize, _pixsize);
if (left && bottom) p.drawPixmap(box.left() - _size + minus, box.top() + box.height() - minus + shifty, _corners, 0, _pixsize, _pixsize, _pixsize);
if (cRetina()) {
bool wasSmooth = p.renderHints().testFlag(QPainter::SmoothPixmapTransform);
if (wasSmooth) p.setRenderHint(QPainter::SmoothPixmapTransform, false);
if (left) p.drawPixmap(box.left() - count + add, box.top() + (top ? minus : 0) + shifty, count - add, box.height() - (bottom ? minus : 0) - (top ? minus : 0), _left, 0, 0, count - add, 1);
if (top) p.drawPixmap(box.left() + (left ? minus : 0), box.top() - count + add + shifty, box.width() - (right ? minus : 0) - (left ? minus : 0), count - add - shifty, _top, 0, 0, 1, count - add - shifty);
if (right) p.drawPixmap(box.left() + box.width(), box.top() + (top ? minus : 0) + shifty, count - add, box.height() - (bottom ? minus : 0) - (top ? minus : 0), _right, add, 0, count - add, 1);
if (bottom) p.drawPixmap(box.left() + (left ? minus : 0), box.top() + box.height(), box.width() - (right ? minus : 0) - (left ? minus : 0), count, _bottom, 0, 0, 1, count);
if (left) p.drawPixmap(box.left() - countsize + shifty, box.top() + (top ? minus : 0) + shifty, countsize - shifty, box.height() - (bottom ? minus : 0) - (top ? minus : 0), _left, 0, 0, count - rshifty, 1);
if (top) p.drawPixmap(box.left() + (left ? minus : 0), box.top() - countsize + 2 * shifty, box.width() - (right ? minus : 0) - (left ? minus : 0), countsize - 2 * shifty, _top, 0, 0, 1, count - 2 * rshifty);
if (right) p.drawPixmap(box.left() + box.width(), box.top() + (top ? minus : 0) + shifty, countsize - shifty, box.height() - (bottom ? minus : 0) - (top ? minus : 0), _right, rshifty, 0, count - rshifty, 1);
if (bottom) p.drawPixmap(box.left() + (left ? minus : 0), box.top() + box.height(), box.width() - (right ? minus : 0) - (left ? minus : 0), countsize, _bottom, 0, 0, 1, count);
if (wasSmooth) p.setRenderHint(QPainter::SmoothPixmapTransform);
} else {
p.setPen(Qt::NoPen);
for (int32 i = 0; i < count; ++i) {
if (left && i + add < count) p.fillRect(box.left() - count + i + add, box.top() + (top ? minus : 0) + shifty, 1, box.height() - (bottom ? minus : 0) - (top ? minus : 0), _colors[i]->b);
if (top && i + add + shifty < count) p.fillRect(box.left() + (left ? minus : 0), box.top() - count + i + add + shifty, box.width() - (right ? minus : 0) - (left ? minus : 0), 1, _colors[i]->b);
if (right && i + add < count) p.fillRect(box.left() + box.width() + count - i - add - 1, box.top() + (top ? minus : 0) + shifty, 1, box.height() - (bottom ? minus : 0) - (top ? minus : 0), _colors[i]->b);
if (bottom && i + add - shifty < count) p.fillRect(box.left() + (left ? minus : 0), box.top() + box.height() + count - i - add + shifty - 1, box.width() - (right ? minus : 0) - (left ? minus : 0), 1, _colors[i]->b);
if (left && i + shifty < count) p.fillRect(box.left() - count + i + shifty, box.top() + (top ? minus : 0) + shifty, 1, box.height() - (bottom ? minus : 0) - (top ? minus : 0), _colors[i]->b);
if (top && i + 2 * shifty < count) p.fillRect(box.left() + (left ? minus : 0), box.top() - count + i + 2 * shifty, box.width() - (right ? minus : 0) - (left ? minus : 0), 1, _colors[i]->b);
if (right && i + shifty < count) p.fillRect(box.left() + box.width() + count - i - shifty - 1, box.top() + (top ? minus : 0) + shifty, 1, box.height() - (bottom ? minus : 0) - (top ? minus : 0), _colors[i]->b);
if (bottom) p.fillRect(box.left() + (left ? minus : 0), box.top() + box.height() + count - i - 1, box.width() - (right ? minus : 0) - (left ? minus : 0), 1, _colors[i]->b);
}
}
}