# HG changeset patch
# User Jordi Gutiérrez Hermoso <jordigh@octave.org>
# Date 1568136253 14400
# Node ID c93a436e6decf55940e12418113ba5c9a352a2c6
# Parent  9922cde5ad6c8e61ec04b8cea782d744899c9362
color: new palette_to_pixmap function

I plan to draw these little pixmaps in a drop-down button so people
can choose from a few standard palettes.

diff --git a/colors.py b/colors.py
--- a/colors.py
+++ b/colors.py
@@ -96,3 +96,15 @@
     ]
 
 
+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