author | leseb <leseb> | 2002-06-18 19:27:40 (UTC) |
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committer | leseb <leseb> | 2002-06-18 19:27:40 (UTC) |
commit | bcd6776c3e70efa41e759ac7707b2cae74f56f9c (patch) (unidiff) | |
tree | fcfebc17eb30b04eaaba51e740be6ead1ee5aa53 /noncore/graphics/drawpad/ellipsetool.cpp | |
parent | 0e0abb9c315ac64f483e127f377ac933878e3519 (diff) | |
download | opie-bcd6776c3e70efa41e759ac7707b2cae74f56f9c.zip opie-bcd6776c3e70efa41e759ac7707b2cae74f56f9c.tar.gz opie-bcd6776c3e70efa41e759ac7707b2cae74f56f9c.tar.bz2 |
Anti-aliasing version!!!
Diffstat (limited to 'noncore/graphics/drawpad/ellipsetool.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/graphics/drawpad/ellipsetool.cpp | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/noncore/graphics/drawpad/ellipsetool.cpp b/noncore/graphics/drawpad/ellipsetool.cpp index c3badc3..733bade 100644 --- a/noncore/graphics/drawpad/ellipsetool.cpp +++ b/noncore/graphics/drawpad/ellipsetool.cpp | |||
@@ -16,7 +16,7 @@ | |||
16 | #include "drawpad.h" | 16 | #include "drawpad.h" |
17 | #include "drawpadcanvas.h" | 17 | #include "drawpadcanvas.h" |
18 | 18 | ||
19 | #include <qpainter.h> | 19 | #include <qimage.h> |
20 | #include <qpixmap.h> | 20 | #include <qpixmap.h> |
21 | 21 | ||
22 | EllipseTool::EllipseTool(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas) | 22 | EllipseTool::EllipseTool(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas) |
@@ -32,9 +32,40 @@ void EllipseTool::drawFinalShape(QPainter& p) | |||
32 | { | 32 | { |
33 | p.setRasterOp(Qt::NotROP); | 33 | p.setRasterOp(Qt::NotROP); |
34 | p.drawRect(QRect(m_polyline[2], m_polyline[0])); | 34 | p.drawRect(QRect(m_polyline[2], m_polyline[0])); |
35 | p.setPen(m_pDrawPad->pen()); | 35 | |
36 | QRect r = m_polyline.boundingRect(); | ||
37 | r = r.normalize(); | ||
38 | r.setLeft(r.left() - m_pDrawPad->pen().width()); | ||
39 | r.setTop(r.top() - m_pDrawPad->pen().width()); | ||
40 | r.setRight(r.right() + m_pDrawPad->pen().width()); | ||
41 | r.setBottom(r.bottom() + m_pDrawPad->pen().width()); | ||
42 | |||
43 | QPixmap areaPixmap(r.width(), r.height()); | ||
44 | bitBlt(&areaPixmap, QPoint(0, 0), p.device(), r); | ||
45 | |||
46 | QImage areaImage = areaPixmap.convertToImage(); | ||
47 | QImage bigAreaImage = areaImage.smoothScale(areaImage.width() * 3, areaImage.height() * 3); | ||
48 | |||
49 | QPixmap bigAreaPixmap; | ||
50 | bigAreaPixmap.convertFromImage(bigAreaImage); | ||
51 | |||
52 | QPen bigAreaPen = m_pDrawPad->pen(); | ||
53 | bigAreaPen.setWidth(bigAreaPen.width() * 3); | ||
54 | |||
55 | QPainter bigAreaPainter; | ||
56 | bigAreaPainter.begin(&bigAreaPixmap); | ||
57 | bigAreaPainter.setPen(bigAreaPen); | ||
58 | bigAreaPainter.drawEllipse(QRect(bigAreaPen.width() + 1, bigAreaPen.width() + 1, | ||
59 | bigAreaPixmap.width() - 2 * (bigAreaPen.width() + 1), | ||
60 | bigAreaPixmap.height() - 2 * (bigAreaPen.width() + 1))); | ||
61 | bigAreaPainter.end(); | ||
62 | |||
63 | bigAreaImage = bigAreaPixmap.convertToImage(); | ||
64 | areaImage = bigAreaImage.smoothScale(bigAreaImage.width() / 3, bigAreaImage.height() / 3); | ||
65 | areaPixmap.convertFromImage(areaImage); | ||
66 | |||
36 | p.setRasterOp(Qt::CopyROP); | 67 | p.setRasterOp(Qt::CopyROP); |
37 | p.drawEllipse(QRect(m_polyline[2], m_polyline[0])); | 68 | p.drawPixmap(r.x(), r.y(), areaPixmap); |
38 | } | 69 | } |
39 | 70 | ||
40 | void EllipseTool::drawTemporaryShape(QPainter& p) | 71 | void EllipseTool::drawTemporaryShape(QPainter& p) |