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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | |||
| 989 | werner | 2 | //#include <QtGui> |
| 15 | Werner | 3 | #include "grid.h" |
| 285 | werner | 4 | #include "exception.h" |
| 373 | werner | 5 | #include "global.h" |
| 15 | Werner | 6 | |
| 599 | werner | 7 | QString gridToString(const FloatGrid &grid, const QChar sep, const int newline_after) |
| 36 | Werner | 8 | { |
| 9 | QString res; |
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| 599 | werner | 10 | int newl_counter = newline_after; |
| 709 | werner | 11 | for (int y=grid.sizeY()-1;y>=0;--y) { |
| 46 | Werner | 12 | for (int x=0;x<grid.sizeX();x++) { |
| 599 | werner | 13 | res+=QString::number(grid.constValueAtIndex(QPoint(x,y))) + sep; |
| 14 | if (--newl_counter==0) { |
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| 15 | res += "\r\n"; |
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| 16 | newl_counter = newline_after; |
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| 17 | } |
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| 36 | Werner | 18 | } |
| 19 | res+="\r\n"; |
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| 20 | } |
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| 21 | return res; |
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| 22 | } |
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| 989 | werner | 23 | #ifdef ILAND_GUI |
| 991 | werner | 24 | #include <QImage> |
| 36 | Werner | 25 | |
| 26 | QImage gridToImage(const FloatGrid &grid, |
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| 27 | bool black_white, |
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| 28 | double min_value, double max_value, |
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| 29 | bool reverse) |
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| 30 | { |
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| 31 | QImage res(grid.sizeX(), grid.sizeY(), QImage::Format_ARGB32); |
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| 32 | QRgb col; |
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| 33 | int grey; |
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| 34 | double rval; |
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| 35 | for (int x=0;x<grid.sizeX();x++){ |
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| 36 | for (int y=0;y<grid.sizeY();y++) { |
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| 37 | rval = grid.constValueAtIndex(QPoint(x,y)); |
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| 38 | rval = std::max(min_value, rval); |
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| 39 | rval = std::min(max_value, rval); |
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| 40 | if (reverse) rval = max_value - rval; |
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| 41 | if (black_white) { |
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| 373 | werner | 42 | grey = int(255 * ( (rval-min_value) / (max_value-min_value))); |
| 36 | Werner | 43 | col = QColor(grey,grey,grey).rgb(); |
| 44 | } else { |
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| 45 | col = QColor::fromHsvF(0.66666666666*rval, 0.95, 0.95).rgb(); |
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| 46 | } |
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| 47 | res.setPixel(x,y,col); |
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| 48 | //res+=QString::number(grid.constValueAtIndex(QPoint(x,y))) + ";"; |
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| 49 | } |
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| 50 | //res+="\r\n"; |
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| 51 | } |
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| 52 | return res; |
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| 53 | } |
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| 285 | werner | 54 | |
| 556 | werner | 55 | |
| 56 | |||
| 285 | werner | 57 | bool loadGridFromImage(const QString &fileName, FloatGrid &rGrid) |
| 58 | { |
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| 59 | QImage image; |
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| 60 | if (!image.load(fileName)) |
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| 61 | throw IException(QString("Grid::loadFromImage: could not load image file %1.").arg(fileName)); |
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| 375 | werner | 62 | if (rGrid.isEmpty()) |
| 63 | rGrid.setup(1., image.size().width(), image.size().height() ); |
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| 285 | werner | 64 | double value; |
| 65 | for (int x=0;x<image.width(); x++) |
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| 66 | for (int y=0;y<image.height(); y++) { |
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| 67 | value = qGray(image.pixel(x,y))/255.; |
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| 68 | if (rGrid.isIndexValid(QPoint(x,y))) |
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| 69 | rGrid.valueAtIndex(x,y) = value; |
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| 70 | } |
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| 71 | return true; |
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| 72 | } |
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| 989 | werner | 73 | #else |
| 74 | //QImage gridToImage(const FloatGrid &grid, |
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| 75 | // bool black_white, |
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| 76 | // double min_value, double max_value, |
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| 77 | // bool reverse) |
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| 78 | //{ |
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| 79 | //} |
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| 80 | |||
| 81 | bool loadGridFromImage(const QString &fileName, FloatGrid &rGrid) { |
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| 1032 | werner | 82 | Q_UNUSED(fileName); Q_UNUSED(rGrid); |
| 989 | werner | 83 | return false; |
| 84 | } |
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| 85 | #endif |
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| 86 |