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@ -32,212 +32,199 @@ |
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#include <QDebug> |
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#include <QDebug> |
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#include "downloadedpiecesbar.h" |
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#include "downloadedpiecesbar.h" |
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DownloadedPiecesBar::DownloadedPiecesBar(QWidget *parent): QWidget(parent) |
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DownloadedPiecesBar::DownloadedPiecesBar(QWidget *parent) : QWidget(parent) |
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{ |
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{ |
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setToolTip(QString("%1\n%2\n%3").arg(tr("White: Missing pieces")).arg(tr("Green: Partial pieces")).arg(tr("Blue: Completed pieces"))); |
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setToolTip(QString("%1\n%2\n%3").arg(tr("White: Missing pieces")).arg(tr("Green: Partial pieces")).arg(tr("Blue: Completed pieces"))); |
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m_bgColor = 0xffffff; |
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m_bgColor = 0xffffff; |
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m_borderColor = palette().color(QPalette::Dark).rgb(); |
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m_borderColor = palette().color(QPalette::Dark).rgb(); |
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m_pieceColor = 0x0000ff; |
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m_pieceColor = 0x0000ff; |
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m_dlPieceColor = 0x00d000; |
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m_dlPieceColor = 0x00d000; |
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updatePieceColors(); |
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updatePieceColors(); |
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} |
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} |
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QVector<float> DownloadedPiecesBar::bitfieldToFloatVector(const QBitArray &vecin, int reqSize) |
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QVector<float> DownloadedPiecesBar::bitfieldToFloatVector(const QBitArray &vecin, int reqSize) |
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{ |
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{ |
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QVector<float> result(reqSize, 0.0); |
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QVector<float> result(reqSize, 0.0); |
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if (vecin.isEmpty()) return result; |
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if (vecin.isEmpty()) return result; |
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const float ratio = vecin.size() / (float)reqSize; |
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// simple linear transformation algorithm
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// for example:
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// image.x(0) = pieces.x(0.0 >= x < 1.7)
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// image.x(1) = pieces.x(1.7 >= x < 3.4)
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for (int x = 0; x < reqSize; ++x) { |
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// R - real
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const float fromR = x * ratio; |
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const float toR = (x + 1) * ratio; |
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// C - integer
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int fromC = fromR;// std::floor not needed
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int toC = std::ceil(toR); |
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if (toC > vecin.size()) |
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--toC; |
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// position in pieces table
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int x2 = fromC; |
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// little speed up for really big pieces table, 10K+ size
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const int toCMinusOne = toC - 1; |
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// value in returned vector
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float value = 0; |
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// case when calculated range is (15.2 >= x < 15.7)
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if (x2 == toCMinusOne) { |
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if (vecin[x2]) { |
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value += ratio; |
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} |
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++x2; |
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} |
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// case when (15.2 >= x < 17.8)
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else { |
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// subcase (15.2 >= x < 16)
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if (x2 != fromR) { |
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if (vecin[x2]) { |
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value += 1.0 - (fromR - fromC); |
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} |
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++x2; |
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} |
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// subcase (16 >= x < 17)
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const float ratio = vecin.size() / (float)reqSize; |
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for (; x2 < toCMinusOne; ++x2) { |
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if (vecin[x2]) { |
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// simple linear transformation algorithm
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value += 1.0; |
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// for example:
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} |
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// image.x(0) = pieces.x(0.0 >= x < 1.7)
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} |
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// image.x(1) = pieces.x(1.7 >= x < 3.4)
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for (int x = 0; x < reqSize; ++x) { |
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// R - real
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const float fromR = x * ratio; |
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const float toR = (x + 1) * ratio; |
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// C - integer
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int fromC = fromR;// std::floor not needed
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int toC = std::ceil(toR); |
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if (toC > vecin.size()) |
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--toC; |
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// position in pieces table
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int x2 = fromC; |
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// little speed up for really big pieces table, 10K+ size
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const int toCMinusOne = toC - 1; |
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// subcase (17 >= x < 17.8)
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// value in returned vector
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if (x2 == toCMinusOne) { |
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float value = 0; |
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if (vecin[x2]) { |
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value += 1.0 - (toC - toR); |
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// case when calculated range is (15.2 >= x < 15.7)
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if (x2 == toCMinusOne) { |
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if (vecin[x2]) |
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value += ratio; |
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++x2; |
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} |
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// case when (15.2 >= x < 17.8)
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else { |
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// subcase (15.2 >= x < 16)
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if (x2 != fromR) { |
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if (vecin[x2]) |
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value += 1.0 - (fromR - fromC); |
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++x2; |
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} |
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// subcase (16 >= x < 17)
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for (; x2 < toCMinusOne; ++x2) |
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if (vecin[x2]) |
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value += 1.0; |
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// subcase (17 >= x < 17.8)
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if (x2 == toCMinusOne) { |
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if (vecin[x2]) |
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value += 1.0 - (toC - toR); |
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++x2; |
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} |
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} |
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} |
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++x2; |
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} |
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} |
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// normalization <0, 1>
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// normalization <0, 1>
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value /= ratio; |
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value /= ratio; |
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// float precision sometimes gives > 1, because in not possible to store irrational numbers
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// float precision sometimes gives > 1, because in not possible to store irrational numbers
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value = qMin(value, (float)1.0); |
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value = qMin(value, (float)1.0); |
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result[x] = value; |
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result[x] = value; |
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} |
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} |
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return result; |
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return result; |
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} |
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} |
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int DownloadedPiecesBar::mixTwoColors(int &rgb1, int &rgb2, float ratio) |
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int DownloadedPiecesBar::mixTwoColors(int &rgb1, int &rgb2, float ratio) |
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{ |
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{ |
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int r1 = qRed(rgb1); |
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int r1 = qRed(rgb1); |
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int g1 = qGreen(rgb1); |
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int g1 = qGreen(rgb1); |
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int b1 = qBlue(rgb1); |
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int b1 = qBlue(rgb1); |
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int r2 = qRed(rgb2); |
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int r2 = qRed(rgb2); |
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int g2 = qGreen(rgb2); |
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int g2 = qGreen(rgb2); |
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int b2 = qBlue(rgb2); |
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int b2 = qBlue(rgb2); |
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float ratio_n = 1.0 - ratio; |
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float ratio_n = 1.0 - ratio; |
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int r = (r1 * ratio_n) + (r2 * ratio); |
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int r = (r1 * ratio_n) + (r2 * ratio); |
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int g = (g1 * ratio_n) + (g2 * ratio); |
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int g = (g1 * ratio_n) + (g2 * ratio); |
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int b = (b1 * ratio_n) + (b2 * ratio); |
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int b = (b1 * ratio_n) + (b2 * ratio); |
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return qRgb(r, g, b); |
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return qRgb(r, g, b); |
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} |
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} |
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void DownloadedPiecesBar::updateImage() |
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void DownloadedPiecesBar::updateImage() |
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{ |
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{ |
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// qDebug() << "updateImage";
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// qDebug() << "updateImage";
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QImage image2(width() - 2, 1, QImage::Format_RGB888); |
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QImage image2(width() - 2, 1, QImage::Format_RGB888); |
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if (image2.isNull()) { |
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if (image2.isNull()) { |
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qDebug() << "QImage image2() allocation failed, width():" << width(); |
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qDebug() << "QImage image2() allocation failed, width():" << width(); |
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return; |
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return; |
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} |
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} |
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if (m_pieces.isEmpty()) { |
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if (m_pieces.isEmpty()) { |
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image2.fill(0xffffff); |
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image2.fill(0xffffff); |
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m_image = image2; |
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m_image = image2; |
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update(); |
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update(); |
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return; |
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return; |
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} |
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QVector<float> scaled_pieces = bitfieldToFloatVector(m_pieces, image2.width()); |
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QVector<float> scaled_pieces_dl = bitfieldToFloatVector(m_downloadedPieces, image2.width()); |
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// filling image
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for (int x = 0; x < scaled_pieces.size(); ++x) |
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{ |
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float pieces2_val = scaled_pieces.at(x); |
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float pieces2_val_dl = scaled_pieces_dl.at(x); |
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if (pieces2_val_dl != 0) |
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{ |
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float fill_ratio = pieces2_val + pieces2_val_dl; |
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float ratio = pieces2_val_dl / fill_ratio; |
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int mixedColor = mixTwoColors(m_pieceColor, m_dlPieceColor, ratio); |
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mixedColor = mixTwoColors(m_bgColor, mixedColor, fill_ratio); |
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image2.setPixel(x, 0, mixedColor); |
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} |
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} |
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else |
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{ |
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QVector<float> scaled_pieces = bitfieldToFloatVector(m_pieces, image2.width()); |
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image2.setPixel(x, 0, m_pieceColors[pieces2_val * 255]); |
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QVector<float> scaled_pieces_dl = bitfieldToFloatVector(m_downloadedPieces, image2.width()); |
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// filling image
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for (int x = 0; x < scaled_pieces.size(); ++x) { |
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float pieces2_val = scaled_pieces.at(x); |
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float pieces2_val_dl = scaled_pieces_dl.at(x); |
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if (pieces2_val_dl != 0) { |
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float fill_ratio = pieces2_val + pieces2_val_dl; |
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float ratio = pieces2_val_dl / fill_ratio; |
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int mixedColor = mixTwoColors(m_pieceColor, m_dlPieceColor, ratio); |
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mixedColor = mixTwoColors(m_bgColor, mixedColor, fill_ratio); |
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image2.setPixel(x, 0, mixedColor); |
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} |
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else { |
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image2.setPixel(x, 0, m_pieceColors[pieces2_val * 255]); |
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} |
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} |
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} |
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} |
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m_image = image2; |
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m_image = image2; |
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} |
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} |
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void DownloadedPiecesBar::setProgress(const QBitArray &pieces, const QBitArray &downloadedPieces) |
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void DownloadedPiecesBar::setProgress(const QBitArray &pieces, const QBitArray &downloadedPieces) |
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{ |
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{ |
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m_pieces = pieces; |
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m_pieces = pieces; |
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m_downloadedPieces = downloadedPieces; |
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m_downloadedPieces = downloadedPieces; |
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updateImage(); |
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updateImage(); |
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update(); |
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update(); |
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} |
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} |
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void DownloadedPiecesBar::updatePieceColors() |
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void DownloadedPiecesBar::updatePieceColors() |
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{ |
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{ |
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m_pieceColors = QVector<int>(256); |
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m_pieceColors = QVector<int>(256); |
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for (int i = 0; i < 256; ++i) { |
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for (int i = 0; i < 256; ++i) { |
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float ratio = (i / 255.0); |
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float ratio = (i / 255.0); |
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m_pieceColors[i] = mixTwoColors(m_bgColor, m_pieceColor, ratio); |
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m_pieceColors[i] = mixTwoColors(m_bgColor, m_pieceColor, ratio); |
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} |
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} |
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} |
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} |
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void DownloadedPiecesBar::clear() |
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void DownloadedPiecesBar::clear() |
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{ |
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{ |
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m_image = QImage(); |
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m_image = QImage(); |
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update(); |
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update(); |
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} |
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} |
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void DownloadedPiecesBar::paintEvent(QPaintEvent *) |
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void DownloadedPiecesBar::paintEvent(QPaintEvent*) |
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{ |
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{ |
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QPainter painter(this); |
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QPainter painter(this); |
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QRect imageRect(1, 1, width() - 2, height() - 2); |
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QRect imageRect(1, 1, width() - 2, height() - 2); |
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if (m_image.isNull()) |
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if (m_image.isNull()) { |
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{ |
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painter.setBrush(Qt::white); |
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painter.setBrush(Qt::white); |
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painter.drawRect(imageRect); |
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painter.drawRect(imageRect); |
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} |
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} |
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else { |
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else |
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if (m_image.width() != imageRect.width()) |
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{ |
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updateImage(); |
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if (m_image.width() != imageRect.width()) |
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painter.drawImage(imageRect, m_image); |
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updateImage(); |
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} |
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painter.drawImage(imageRect, m_image); |
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QPainterPath border; |
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} |
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border.addRect(0, 0, width() - 1, height() - 1); |
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QPainterPath border; |
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border.addRect(0, 0, width() - 1, height() - 1); |
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painter.setPen(m_borderColor); |
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painter.drawPath(border); |
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painter.setPen(m_borderColor); |
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painter.drawPath(border); |
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} |
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} |
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void DownloadedPiecesBar::setColors(int background, int border, int complete, int incomplete) |
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void DownloadedPiecesBar::setColors(int background, int border, int complete, int incomplete) |
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{ |
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{ |
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m_bgColor = background; |
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m_bgColor = background; |
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m_borderColor = border; |
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m_borderColor = border; |
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m_pieceColor = complete; |
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m_pieceColor = complete; |
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m_dlPieceColor = incomplete; |
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m_dlPieceColor = incomplete; |
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updatePieceColors(); |
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updateImage(); |
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update(); |
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} |
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updatePieceColors(); |
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updateImage(); |
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update(); |
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} |
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