Use mac_image (from cmif stuff)

Fixed off-by-four error
Keep data around so it won't get reclaimed

1 files changed, 55 insertions, 0 deletions

diff --git a/Mac/Demo/imgbrowse/mac_image.py b/Mac/Demo/imgbrowse/mac_image.py
new file mode 100644
index 0000000..e2639c9
--- /dev/null
+++ b/Mac/Demo/imgbrowse/mac_image.py
@@ -0,0 +1,55 @@
+"""mac_image - Helper routines (hacks) for images"""
+import imgformat
+import Qd
+import time
+import struct
+
+_fmt_to_mac = {
+	imgformat.macrgb16 : (16, 16, 3, 5),
+}
+
+def mkpixmap(w, h, fmt, data):
+	"""kludge a pixmap together"""
+	fmtinfo = _fmt_to_mac[fmt]
+	
+	rv = struct.pack("lhhhhhhhlllhhhhlll",
+		id(data)+16,
+		w*2 + 0x8000,
+		0, 0, h, w,
+		0,
+		0, 0, # XXXX?
+		72<<16, 72<<16,
+		fmtinfo[0], fmtinfo[1],
+		fmtinfo[2], fmtinfo[3],
+		0, 0, 0)
+##	print 'Our pixmap, size %d:'%len(rv)
+##	dumppixmap(rv)
+	return Qd.RawBitMap(rv)
+
+def dumppixmap(data):
+	baseAddr, \
+		rowBytes, \
+		t, l, b, r, \
+		pmVersion, \
+		packType, packSize, \
+		hRes, vRes, \
+		pixelType, pixelSize, \
+		cmpCount, cmpSize, \
+		planeBytes, pmTable, pmReserved \
+			= struct.unpack("lhhhhhhhlllhhhhlll", data)
+	print 'Base:       0x%x'%baseAddr
+	print 'rowBytes:   %d (0x%x)'%(rowBytes&0x3fff, rowBytes)
+	print 'rect:       %d, %d, %d, %d'%(t, l, b, r)
+	print 'pmVersion:  0x%x'%pmVersion
+	print 'packing:    %d %d'%(packType, packSize)
+	print 'resolution: %f x %f'%(float(hRes)/0x10000, float(vRes)/0x10000)
+	print 'pixeltype:  %d, size %d'%(pixelType, pixelSize)
+	print 'components: %d, size %d'%(cmpCount, cmpSize)
+	print 'planeBytes: %d (0x%x)'%(planeBytes, planeBytes)
+	print 'pmTable:    0x%x'%pmTable
+	print 'pmReserved: 0x%x'%pmReserved
+	for i in range(0, len(data), 16):
+		for j in range(16):
+			if i + j < len(data):
+				print '%02.2x'%ord(data[i+j]),
+		print