+
−from PyQt5 import QtGui as QG, QtCore as QC
+
−
+
−NES_PALETTE = [
+
−    "#7C7C7C",  # 00
+
−    "#0000FC",  # 01
+
−    "#0000BC",  # 02
+
−    "#4428BC",  # 03
+
−    "#940084",  # 04
+
−    "#A80020",  # 05
+
−    "#A81000",  # 06
+
−    "#881400",  # 07
+
−    "#503000",  # 08
+
−    "#007800",  # 09
+
−    "#006800",  # 0A
+
−    "#005800",  # 0B
+
−    "#004058",  # 0C
+
−    "#000000",  # 0D
+
−    "#000000",  # 0E
+
−    "#000000",  # 0F
+
−
+
−    "#BCBCBC",  # 10
+
−    "#0078F8",  # 11
+
−    "#0058F8",  # 12
+
−    "#6844FC",  # 13
+
−    "#D800CC",  # 14
+
−    "#E40058",  # 15
+
−    "#F83800",  # 16
+
−    "#E45C10",  # 17
+
−    "#AC7C00",  # 18
+
−    "#00B800",  # 19
+
−    "#00A800",  # 1A
+
−    "#00A844",  # 1B
+
−    "#008888",  # 1C
+
−    "#000000",  # 1D
+
−    "#000000",  # 1E
+
−    "#000000",  # 1F
+
−
+
−    "#F8F8F8",  # 20
+
−    "#3CBCFC",  # 21
+
−    "#6888FC",  # 22
+
−    "#9878F8",  # 23
+
−    "#F878F8",  # 24
+
−    "#F85898",  # 25
+
−    "#F87858",  # 26
+
−    "#FCA044",  # 27
+
−    "#F8B800",  # 28
+
−    "#B8F818",  # 29
+
−    "#58D854",  # 2A
+
−    "#58F898",  # 2B
+
−    "#00E8D8",  # 2C
+
−    "#787878",  # 2D
+
−    "#000000",  # 2E
+
−    "#000000",  # 2F
+
−
+
−    "#FCFCFC",  # 30
+
−    "#A4E4FC",  # 31
+
−    "#B8B8F8",  # 32
+
−    "#D8B8F8",  # 33
+
−    "#F8B8F8",  # 34
+
−    "#F8A4C0",  # 35
+
−    "#F0D0B0",  # 36
+
−    "#FCE0A8",  # 37
+
−    "#F8D878",  # 38
+
−    "#D8F878",  # 39
+
−    "#B8F8B8",  # 3A
+
−    "#B8F8D8",  # 3B
+
−    "#00FCFC",  # 3C
+
−    "#F8D8F8",  # 3D
+
−    "#000000",  # 3E
+
−    "#000000",  # 3F
+
−]
+
−
+
−QT_NES_PALETTE = [QG.QColor(color).rgb() for color in NES_PALETTE]
+
−
+
−TILE_PALETTES = {
+
−    "Primary":  [0x20, 0x16, 0x19, 0x01],
+
−    "Megaman": [0x20, 0x0f, 0x21, 0x01],
+
−    "Mario": [0x20, 0x16, 0x36, 0x07],
+
−    "Link": [0x20, 0x29, 0x37, 0x28],
+
−}
+
−
+
−
+
−def is_dark(qt_colour):
+
−    r, g, b = qt_colour.red(), qt_colour.green(), qt_colour.blue()
+
−    luminance = (0.2126*r + 0.7152*g + 0.0722*b)/256
+
−
+
−    return luminance < 0.5
+
−
+
−
+
−def widget_icon_path(widget):
+
−    return "darkside" if is_dark(widget.palette().color(QG.QPalette.Background)) else "lightside"
+
−
+
−
+
−def palette_to_qt(palette):
+
−    return [
+
−        QG.QColor(0, 0, 0, 0).rgba() if color_idx is None
+
−        else QG.QColor(NES_PALETTE[color_idx]).rgb()
+
−        for color_idx in palette
+
−    ]
+
−
+
−
+
−def palette_to_pixmap(palette):
+
−    pixmap = QG.QPixmap(QC.QSize(80, 20))
+
−    painter = QG.QPainter(pixmap)
+
−    palette = [QG.QColor(NES_PALETTE[colour_idx]) for colour_idx in palette]
+
−    for idx, colour in enumerate(palette):
+
−        painter.setPen(colour)
+
−        brush = QG.QBrush()
+
−        brush.setColor(colour)
+
−        brush.setStyle(QC.Qt.SolidPattern)
+
−        painter.setBrush(brush)
+
−        painter.drawRect(idx*20, 0, idx*20 + 19, 19)
+
−    return pixmap