//---------------------------------------------
// Mode Control
//---------------------------------------------
.enum {MODE1, MODE2, UNSET}
.const defaultMode = MODE1
.var mode=UNSET
.function getMode() { 
	.if (mode==UNSET) return defaultMode
	.return mode
}  
//---------------------------------------------
// Commands
//---------------------------------------------
.psesudocommand myCmd a; b {
	.if (getMode()==MODE1) {
	 	/* DO SOMETHING */
	}	

	.if (getMode()==MODE2) {
	 	/* DO SOMETHING */
	}	

}

	.pc = $6000 "Zoomed Font"

	.const c_zoomLevelCount = 19
	.const c_zoomMin = 0.15
	.const c_zoomMax = 1
	.const c_charCount = 30

	//
	// load the font into 16x16 pixel chunks
	//  

		.var originalFont = List()

		.var charsetFont = LoadPicture("data/fonts/2x2_formaterad.gif", List().add($000000, $ffffff))
		.for (var c = 0; c < c_charCount; c++)
		{
			.var theChar = List()
			.for (var y = 0; y < 16; y++)
			{
				.for (var x = 0; x < 16; x++)
				{
					.var p = charsetFont.getPixel(x + c * 16, y) & 255
					.eval theChar.add(p)
				}
			}
			.eval originalFont.add(theChar)
		}

	//
	// create zoomed versions
	//  
		.function linearInterpolate(a,b,t)
		{
			.return [a*[1.0-t]] + [b*t]
		}

		.macro scale16x16(source, dest, zoom)
		{
			.var xratio = zoom
			.var yratio = zoom

			.var xoffset = [1-xratio] * 8
			.var yoffset = [1-yratio] * 8

			.for (var dy = 0; dy < 16; dy++)
			{
				.var sY = round([dy * yratio] + yoffset)
				.for (var dx = 0; dx < 16; dx++)
				{
					.var sX = round([dx * xratio] + xoffset)
					.eval dest.set(sX + sY*16 , source.get(dx + dy * 16))
				}
			}
		}

		.for (var c = 0; c < c_charCount; c++)
		{
			.for (var zoom = 0; zoom < c_zoomLevelCount; zoom++)
			{
				.var t = zoom / [c_zoomLevelCount-1]
				.var zoomLevel = linearInterpolate(c_zoomMin, c_zoomMax, t)

				.var originalChar = originalFont.get(c)
				.var destChar = List()
				.for (var i = 0; i < 256; i++)
					.eval destChar.add(0)

				:scale16x16(originalChar, destChar, zoomLevel)

				.for (var j = 0; j < 2; j++)
				{
					.for (var y = 0; y < 16; y++)
					{
						.var theByte = 0
						.for (var x = 0; x < 8; x++)
						{
							.var yy = y
							.var xx = x + j * 8

							.var addr = xx + yy * 16

							.if (destChar.get(addr) == 255)
								.eval theByte = theByte | [1 << [7-x]]

						}
						.byte theByte

					}
				}

			}
		}