diff options
Diffstat (limited to 'muse2/muse/widgets/view.cpp')
| -rw-r--r-- | muse2/muse/widgets/view.cpp | 300 |
1 files changed, 279 insertions, 21 deletions
diff --git a/muse2/muse/widgets/view.cpp b/muse2/muse/widgets/view.cpp index fb480527..57955c19 100644 --- a/muse2/muse/widgets/view.cpp +++ b/muse2/muse/widgets/view.cpp @@ -3,6 +3,7 @@ // Linux Music Editor // $Id: view.cpp,v 1.3.2.2 2009/04/06 01:24:55 terminator356 Exp $ // (C) Copyright 1999 Werner Schweer (ws@seh.de) +// Additions, modifications (C) Copyright 2011 Tim E. Real (terminator356 on users DOT sourceforge DOT net) //========================================================= #include "view.h" @@ -16,6 +17,10 @@ #include <QKeyEvent> #include <QPaintEvent> +#include "math.h" + +#include "al/sig.h" + // Don't use this, it was just for debugging. // It's much slower than muse-1 no matter how hard I tried. // The left/right pixmap shifters in seXPos setYPos @@ -491,26 +496,33 @@ void View::pdraw(QPainter& p, const QRect& r) int w = r.width(); int h = r.height(); if (xmag <= 0) { - x -= 1; + // TODO These adjustments are required, otherwise gaps. Tried, unable to remove them for now. p4.0.30 + x -= 1; w += 2; - x = (x + xpos + rmapx(xorg)) * (-xmag); + //x = (x + xpos + rmapx(xorg)) * (-xmag); + x = lrint((double(x + xpos) + rmapx_f(xorg)) * double(-xmag)); w = w * (-xmag); } else { - x = (x + xpos + rmapx(xorg)) / xmag; - w = (w + xmag - 1) / xmag; + //x = (x + xpos + rmapx(xorg)) / xmag; + x = lrint((double(x + xpos) + rmapx_f(xorg)) / double(xmag)); + //w = (w + xmag - 1) / xmag; + w = lrint(double(w) / double(xmag)); x -= 1; w += 2; } if (ymag <= 0) { y -= 1; h += 2; - y = (y + ypos + rmapy(yorg)) * (-ymag); + //y = (y + ypos + rmapy(yorg)) * (-ymag); + y = lrint((double(y + ypos) + rmapy_f(yorg)) * double(-ymag)); h = h * (-ymag); } else { - y = (y + ypos + rmapy(yorg)) / ymag; - h = (h + ymag - 1) / ymag; + //y = (y + ypos + rmapy(yorg)) / ymag; + y = lrint((double(y + ypos) + rmapy_f(yorg)) / double(ymag)); + //h = (h + ymag - 1) / ymag; + h = lrint(double(h) / double(ymag)); y -= 1; h += 2; } @@ -535,19 +547,116 @@ void View::setPainter(QPainter& p) p.resetMatrix(); // Q3 support says use resetMatrix instead, but resetMatrix advises resetTransform instead... //p.resetTransform(); - p.translate(double(-(xpos+rmapx(xorg))), double(-(ypos+rmapy(yorg)))); - double xMag = (xmag < 0) ? 1.0/(-xmag) : double(xmag); - double yMag = (ymag < 0) ? 1.0/(-ymag) : double(ymag); + //p.translate(double(-(xpos+rmapx(xorg))), double(-(ypos+rmapy(yorg)))); + p.translate( -(double(xpos) + rmapx_f(xorg)) , -(double(ypos) + rmapy(yorg))); + //double xMag = (xmag < 0) ? 1.0/(-xmag) : double(xmag); + //double yMag = (ymag < 0) ? 1.0/(-ymag) : double(ymag); + double xMag = (xmag < 0) ? 1.0/double(-xmag) : double(xmag); + double yMag = (ymag < 0) ? 1.0/double(-ymag) : double(ymag); p.scale(xMag, yMag); } //--------------------------------------------------------- +// drawTickRaster +//--------------------------------------------------------- + +void View::drawTickRaster(QPainter& p, int x, int y, int w, int h, int raster) + { + // Changed to draw in device coordinate space instead of virtual, transformed space. Tim. p4.0.30 + + //int mx = mapx(x); + int my = mapy(y); + //int mw = mapx(x + w) - mx; + //int mw = mapx(x + w) - mx - 1; + //int mh = mapy(y + h) - my; + //int mh = mapy(y + h) - my - 1; + + //p.save(); + bool wmtxen = p.worldMatrixEnabled(); + p.setWorldMatrixEnabled(false); + + int xx,bar1, bar2, beat; + unsigned tick; + AL::sigmap.tickValues(x, &bar1, &beat, &tick); + AL::sigmap.tickValues(x+w, &bar2, &beat, &tick); + ++bar2; + ///int y2 = y + h; + //int y2 = my + mh; + int y2 = mapy(y + h) - 1; + //printf("View::drawTickRaster x:%d y:%d w:%d h:%d mx:%d my:%d mw:%d mh:%d y2:%d bar1:%d bar2:%d\n", x, y, w, h, mx, my, mw, mh, y2, bar1, bar2); + //printf("View::drawTickRaster x:%d y:%d w:%d h:%d my:%d mh:%d y2:%d bar1:%d bar2:%d\n", x, y, w, h, my, mh, y2, bar1, bar2); + for (int bar = bar1; bar < bar2; ++bar) { + ///unsigned x = AL::sigmap.bar2tick(bar, 0, 0); + unsigned xb = AL::sigmap.bar2tick(bar, 0, 0); + int xt = mapx(xb); + p.setPen(Qt::black); + ///p.drawLine(x, y, x, y2); + p.drawLine(xt, my, xt, y2); + int z, n; + ///AL::sigmap.timesig(x, z, n); + AL::sigmap.timesig(xb, z, n); + ///int q = p.xForm(QPoint(raster, 0)).x() - p.xForm(QPoint(0, 0)).x(); + ///int q = p.combinedTransform().map(QPoint(raster, 0)).x() - p.combinedTransform().map(QPoint(0, 0)).x(); + //int q = rmapx(raster); + int qq = raster; + //if (q < 8) // grid too dense + if (rmapx(raster) < 8) // grid too dense + qq *= 2; + p.setPen(Qt::lightGray); + if (raster>=4) { + ///int xx = x + qq; + //int xx = mapx(xb + qq); + xx = xb + qq; + int xxx = AL::sigmap.bar2tick(bar, z, 0); + //int xxx = mapx(AL::sigmap.bar2tick(bar, z, 0)); + while (xx <= xxx) { + ///p.drawLine(xx, y, xx, y2); + int x = mapx(xx); + p.drawLine(x, my, x, y2); + xx += qq; + //xx += rmapx(qq); + } + //xx = xxx; + } + p.setPen(Qt::gray); + for (int beat = 1; beat < z; beat++) { + ///int xx = AL::sigmap.bar2tick(bar, beat, 0); + xx = mapx(AL::sigmap.bar2tick(bar, beat, 0)); + //printf(" bar:%d z:%d beat:%d xx:%d\n", bar, z, beat, xx); + ///p.drawLine(xx, y, xx, y2); + p.drawLine(xx, my, xx, y2); + } + + } + //p.setWorldMatrixEnabled(true); + p.setWorldMatrixEnabled(wmtxen); + //p.restore(); + } + +//--------------------------------------------------------- // map //--------------------------------------------------------- +QRect View::mapDev(const QRect& r) const + { + return QRect(mapxDev(r.x()), mapyDev(r.y()), + rmapxDev(r.width()), rmapyDev(r.height())); + } + +QPoint View::mapDev(const QPoint& r) const + { + return QPoint(mapxDev(r.x()), mapyDev(r.y())); + } + +#if 0 + // + // Calculations using integer rounding methods... + // + QRect View::map(const QRect& r) const { int x, y, w, h; + //printf("View::map xmag:%d xpos:%d xorg:%d\n", xmag, xpos, xorg); if (xmag < 0) { x = r.x()/(-xmag) - (xpos + rmapx(xorg)); // round down w = (r.width()-xmag-1) / (-xmag); // round up @@ -585,17 +694,6 @@ QPoint View::map(const QPoint& p) const return QPoint(x, y); } -QRect View::mapDev(const QRect& r) const - { - return QRect(mapxDev(r.x()), mapyDev(r.y()), - rmapxDev(r.width()), rmapyDev(r.height())); - } - -QPoint View::mapDev(const QPoint& r) const - { - return QPoint(mapxDev(r.x()), mapyDev(r.y())); - } - int View::mapx(int x) const { if (xmag < 0) { @@ -664,6 +762,166 @@ int View::rmapyDev(int y) const return (y + ymag/2) / ymag; } + +#else + // + // Calculations using more accurate methods... p4.0.29 Tim. + // + +QRect View::map(const QRect& r) const + { + //int x, y, w, h; + double x, y, w, h; + int xx, yy, ww, hh; + //printf("View::map xmag:%d xpos:%d xorg:%d\n", xmag, xpos, xorg); + if (xmag < 0) { + //x = lrint(double(r.x())/double(-xmag) - rmapx_f(xorg)) - xpos; + x = double(r.x())/double(-xmag) - rmapx_f(xorg) - xpos; + //w = lrint(double(r.width()) / double(-xmag)); + w = double(r.width()) / double(-xmag); + xx = lrint(x); + ww = lrint(x + w) - xx; + } + else { + xx = r.x()*xmag - xpos - lrint(rmapx_f(xorg)); + ww = r.width() * xmag; + } + if (ymag < 0) { + //y = lrint(double(r.y())/double(-ymag) - rmapy_f(yorg)) - ypos; + y = double(r.y())/double(-ymag) - rmapy_f(yorg) - ypos; + //h = lrint(double(r.height()) / double(-ymag)); + h = double(r.height()) / double(-ymag); + yy = lrint(y); + hh = lrint(y + h) - yy; + } + else { + yy = r.y()*ymag - ypos - lrint(rmapy_f(yorg)); + hh = r.height() * ymag; + } + return QRect(xx, yy, ww, hh); + } + +QPoint View::map(const QPoint& p) const + { + /* + int x, y; + if (xmag < 0) { + x = lrint(double(p.x())/double(-xmag) - rmapx_f(xorg)) - xpos; + } + else { + x = p.x()*xmag - xpos - lrint(rmapx_f(xorg)); + } + if (ymag < 0) { + y = lrint(double(p.y())/double(-ymag) - rmapy_f(yorg)) - ypos; + } + else { + y = p.y()*ymag - ypos - lrint(rmapy_f(yorg)); + } + return QPoint(x, y); + */ + return QPoint(mapx(p.x()), mapy(p.y())); + } + +int View::mapx(int x) const + { + if (xmag < 0) { + return lrint(double(x)/double(-xmag) - rmapx_f(xorg)) - xpos; + } + else { + return x*xmag - xpos - lrint(rmapx_f(xorg)); + } + } +int View::mapy(int y) const + { + if (ymag < 0) { + return lrint(double(y)/double(-ymag) - rmapy_f(yorg)) - ypos; + } + else { + return y*ymag - ypos - lrint(rmapy_f(yorg)); + } + } +int View::mapxDev(int x) const + { + int val; + if (xmag <= 0) + val = lrint((double(x + xpos) + rmapx_f(xorg)) * double(-xmag)); + else + val = lrint((double(x + xpos) + rmapx_f(xorg)) / double(xmag)); + if (val < 0) // DEBUG + val = 0; + return val; + } + +int View::mapyDev(int y) const + { + if (ymag <= 0) + return lrint((double(y + ypos) + rmapy_f(yorg)) * double(-ymag)); + else + return lrint((double(y + ypos) + rmapy_f(yorg)) / double(ymag)); + } + +// r == relative conversion +int View::rmapx(int x) const + { + if (xmag < 0) + return lrint(double(x) / double(-xmag)); + else + return x * xmag; + } +int View::rmapy(int y) const + { + if (ymag < 0) + return lrint(double(y) / double(-ymag)); + else + return y * ymag; + } +int View::rmapxDev(int x) const + { + if (xmag <= 0) + return x * (-xmag); + else + return lrint(double(x) / double(xmag)); + } +int View::rmapyDev(int y) const + { + if (ymag <= 0) + return y * (-ymag); + else + return lrint(double(y) / double(ymag)); + } +#endif + +double View::rmapx_f(double x) const + { + if (xmag < 0) + return x / double(-xmag); + else + return x * double(xmag); + } +double View::rmapy_f(double y) const + { + if (ymag < 0) + return y / double(-ymag); + else + return y * double(ymag); + } +double View::rmapxDev_f(double x) const + { + if (xmag <= 0) + return x * double(-xmag); + else + return x / double(xmag); + } +double View::rmapyDev_f(double y) const + { + if (ymag <= 0) + return y * double(-ymag); + else + return y / double(ymag); + } + + + /* QRect View::devToVirt(const QRect& r) { |