1064 lines
30 KiB
JavaScript
1064 lines
30 KiB
JavaScript
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var makePrimitiveProcedure = plt.baselib.functions.makePrimitiveProcedure;
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var makeClosure = plt.baselib.functions.makeClosure;
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var finalizeClosureCall = plt.baselib.functions.finalizeClosureCall;
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var PAUSE = plt.runtime.PAUSE;
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var isString = plt.baselib.strings.isString;
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var isSymbol = plt.baselib.symbols.isSymbol;
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var isFontFamily = function(x){
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return ((isString(x) || isSymbol(x)) &&
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(x.toString().toLowerCase() == "default" ||
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x.toString().toLowerCase() == "decorative" ||
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x.toString().toLowerCase() == "roman" ||
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x.toString().toLowerCase() == "script" ||
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x.toString().toLowerCase() == "swiss" ||
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x.toString().toLowerCase() == "modern" ||
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x.toString().toLowerCase() == "symbol" ||
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x.toString().toLowerCase() == "system"))
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|| (x === false); // false is also acceptable
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};
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var isFontStyle = function(x){
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return ((isString(x) || isSymbol(x)) &&
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(x.toString().toLowerCase() == "normal" ||
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x.toString().toLowerCase() == "italic" ||
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x.toString().toLowerCase() == "slant"))
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|| (x === false); // false is also acceptable
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};
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var isFontWeight = function(x){
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return ((isString(x) || isSymbol(x)) &&
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(x.toString().toLowerCase() == "normal" ||
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x.toString().toLowerCase() == "bold" ||
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x.toString().toLowerCase() == "light"))
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|| (x === false); // false is also acceptable
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};
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var isMode = function(x) {
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return ((isString(x) || isSymbol(x)) &&
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(x.toString().toLowerCase() == "solid" ||
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x.toString().toLowerCase() == "outline"));
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};
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var isPlaceX = function(x) {
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return ((isString(x) || isSymbol(x)) &&
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(x.toString().toLowerCase() == "left" ||
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x.toString().toLowerCase() == "right" ||
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x.toString().toLowerCase() == "center" ||
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x.toString().toLowerCase() == "middle"));
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};
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var isPlaceY = function(x) {
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return ((isString(x) || isSymbol(x)) &&
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(x.toString().toLowerCase() == "top" ||
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x.toString().toLowerCase() == "bottom" ||
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x.toString().toLowerCase() == "baseline" ||
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x.toString().toLowerCase() == "center" ||
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x.toString().toLowerCase() == "middle"));
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};
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var isStyle = function(x) {
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return ((isString(x) || isSymbol(x)) &&
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(x.toString().toLowerCase() == "solid" ||
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x.toString().toLowerCase() == "outline"));
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};
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var checkString = plt.baselib.check.checkString;
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var checkStringOrFalse = plt.baselib.check.makeCheckArgumentType(
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function(x) { return plt.baselib.strings.isString(x) || x === false; },
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"string or false");
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var checkByte = plt.baselib.check.checkByte;
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var checkReal = plt.baselib.check.checkReal;
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var checkBoolean = plt.baselib.check.checkBoolean;
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var checkNatural = plt.baselib.check.checkNatural;
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var checkPositiveInteger = plt.baselib.check.makeCheckArgumentType(
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function(x) { return plt.baselib.numbers.isInteger(x) &&
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plt.baselib.numbers.greaterThan(x, 0);},
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"positive integer");
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var checkNonNegativeReal = plt.baselib.check.checkNonNegativeReal;
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var _checkColor = plt.baselib.check.makeCheckArgumentType(
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isColorOrColorString,
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'color');
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var checkColor = function(MACHINE, functionName, position) {
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var aColor = _checkColor(MACHINE, functionName, position);
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if (colorDb.get(aColor)) {
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aColor = colorDb.get(aColor);
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}
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return aColor;
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};
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var checkImage = plt.baselib.check.makeCheckArgumentType(
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isImage,
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'image');
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var checkImageOrScene = plt.baselib.check.makeCheckArgumentType(
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function(x) { return isImage(x) || isScene(x); },
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'image or scene');
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var checkFontFamily = plt.baselib.check.makeCheckArgumentType(
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isFontFamily,
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'font family');
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var checkFontStyle = plt.baselib.check.makeCheckArgumentType(
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isFontStyle,
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'font style');
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var checkFontWeight = plt.baselib.check.makeCheckArgumentType(
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isFontWeight,
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'font weight');
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var checkPlaceX = plt.baselib.check.makeCheckArgumentType(
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isPlaceX,
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'x-place');
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var checkPlaceY = plt.baselib.check.makeCheckArgumentType(
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isPlaceY,
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'y-place');
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var checkAngle = plt.baselib.check.makeCheckArgumentType(
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isAngle,
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"finite real number between 0 and 360");
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var checkMode = plt.baselib.check.makeCheckArgumentType(
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isMode,
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'solid or outline');
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var checkSideCount = plt.baselib.check.makeCheckArgumentType(
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isSideCount,
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"positive integer greater than or equal to 3");
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var checkStepCount = plt.baselib.check.makeCheckArgumentType(
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isStepCount,
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"positive integer greater than or equal to 1");
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var checkPointsCount = plt.baselib.check.makeCheckArgumentType(
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isPointsCount,
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"positive integer greater than or equal to 2");
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var checkListofColor = plt.baselib.check.makeCheckListofArgumentType(
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isColor,
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'color');
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//////////////////////////////////////////////////////////////////////
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EXPORTS['image-color?'] =
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makePrimitiveProcedure(
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'image-color?',
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1,
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function(MACHINE) {
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var elt = MACHINE.e[MACHINE.e.length - 1];
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return (isColorOrColorString(elt));
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});
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EXPORTS['mode?'] =
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makePrimitiveProcedure(
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'mode?',
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1,
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function(MACHINE) {
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return isMode(MACHINE.e[MACHINE.e.length - 1]);
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});
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EXPORTS['x-place?'] =
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makePrimitiveProcedure(
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'x-place?',
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1,
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function(MACHINE) {
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return isPlaceX(MACHINE.e[MACHINE.e.length - 1]);
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});
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EXPORTS['y-place?'] =
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makePrimitiveProcedure(
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'y-place?',
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1,
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function(MACHINE) {
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return isPlaceY(MACHINE.e[MACHINE.e.length - 1]);
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});
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EXPORTS['angle?'] =
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makePrimitiveProcedure(
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'angle?',
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1,
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function(MACHINE) {
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return isAngle(MACHINE.e[MACHINE.e.length - 1]);
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});
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EXPORTS['side-count?'] =
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makePrimitiveProcedure(
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'side-count?',
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1,
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function(MACHINE) {
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return isSideCount(MACHINE.e[MACHINE.e.length - 1]);
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});
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EXPORTS['step-count?'] =
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makePrimitiveProcedure(
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'step-count?',
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1,
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function(MACHINE) {
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return isStepCount(MACHINE.e[MACHINE.e.length - 1]);
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});
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EXPORTS['image?'] =
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makePrimitiveProcedure(
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'image?',
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1,
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function(MACHINE) {
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return isImage(MACHINE.e[MACHINE.e.length - 1]);
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});
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EXPORTS['text'] =
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makePrimitiveProcedure(
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'text',
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3,
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function(MACHINE) {
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var aString = checkString(MACHINE,'text', 0);
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// Unlike 2htdp, we'll allow this to be a positive integer
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var aSize = checkPositiveInteger(MACHINE, 'text', 1);
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var aColor = checkColor(MACHINE, 'text', 2);
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return makeTextImage(aString.toString(),
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jsnums.toFixnum(aSize),
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aColor,
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"normal",
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"Optimer",
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"",
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"",
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false);
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});
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EXPORTS['text/font'] =
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makePrimitiveProcedure(
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'text/font',
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8,
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function(MACHINE) {
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var aString = checkString(MACHINE, "text/font", 0);
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var aSize = checkByte(MACHINE, "text/font", 1);
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var aColor = checkColor(MACHINE, "text/font", 2);
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var aFace = checkStringOrFalse(MACHINE, "text/font", 3);
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var aFamily = checkFontFamily(MACHINE, "text/font", 4);
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var aStyle = checkFontStyle(MACHINE, "text/font", 5);
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var aWeight = checkFontWeight(MACHINE, "text/font", 6);
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var aUnderline = checkBoolean(MACHINE, "text/font", 7);
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return makeTextImage(aString.toString(),
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jsnums.toFixnum(aSize),
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aColor,
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aFace.toString(),
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aFamily.toString(),
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aStyle.toString(),
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aWeight.toString(),
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aUnderline);
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});
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EXPORTS['bitmap/url'] =
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makeClosure(
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'bitmap/url',
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1,
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function(MACHINE) {
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var url = checkString(MACHINE, 'bitmap/url', 0);
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PAUSE(
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function(restart) {
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var rawImage = new Image();
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rawImage.onload = function() {
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restart(function(MACHINE) {
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finalizeClosureCall(
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MACHINE,
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makeFileImage(url.toString(),
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rawImage));
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});
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};
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rawImage.onerror = function(e) {
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restart(function(MACHINE) {
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plt.baselib.exceptions.raiseFailure(
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MACHINE,
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plt.baselib.format.format(
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"unable to load ~a: ~a",
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[url,
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e.message]));
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});
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}
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rawImage.src = url.toString();
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}
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);
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});
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EXPORTS['open-image-url'] =
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plt.baselib.functions.renameProcedure(EXPORTS['bitmap/url'],
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'open-image-url');
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EXPORTS['image-url'] =
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plt.baselib.functions.renameProcedure(EXPORTS['bitmap/url'],
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'image-url');
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EXPORTS['overlay'] =
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makePrimitiveProcedure(
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'overlay',
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plt.baselib.arity.makeArityAtLeast(2),
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function(MACHINE) {
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var img1 = checkImage(MACHINE, "overlay", 0);
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var img2 = checkImage(MACHINE, "overlay", 1);
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var restImages = [];
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for (var i = 2; i < MACHINE.a; i++) {
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restImages.push(checkImage(MACHINE, "overlay", i));
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}
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var img = makeOverlayImage(img1, img2, "middle", "middle");
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for (var i = 0; i < restImages.length; i++) {
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img = makeOverlayImage(img, restImages[i], "middle", "middle");
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}
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return img;
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});
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EXPORTS['overlay/xy'] =
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makePrimitiveProcedure(
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'overlay/xy',
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4,
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function(MACHINE) {
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var img1 = checkImage(MACHINE, "overlay/xy", 0);
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var deltaX = checkReal(MACHINE, "overlay/xy", 1);
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var deltaY = checkReal(MACHINE, "overlay/xy", 2);
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var img2 = checkImage(MACHINE, "overlay/xy", 3);
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return makeOverlayImage(img1.updatePinhole(0, 0),
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img2.updatePinhole(0, 0),
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jsnums.toFixnum(deltaX),
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jsnums.toFixnum(deltaY));
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});
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EXPORTS['overlay/align'] =
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makePrimitiveProcedure(
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'overlay/align',
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plt.baselib.arity.makeArityAtLeast(4),
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function(MACHINE) {
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var placeX = checkPlaceX(MACHINE, "overlay/align", 0);
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var placeY = checkPlaceY(MACHINE, "overlay/align", 1);
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var img1 = checkImage(MACHINE, "overlay/align", 2);
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var img2 = checkImage(MACHINE, "overlay/align", 3);
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var restImages = [];
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for (var i = 4; i < MACHINE.a; i++) {
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restImages.push(checkImage(MACHINE, "overlay/align", i));
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}
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var img = makeOverlayImage(img1,
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img2,
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placeX.toString(),
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placeY.toString());
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for (var i = 0; i < restImages.length; i++)
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img = makeOverlayImage(img,
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restImages[i],
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placeX.toString(),
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placeY.toString());
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return img;
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});
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EXPORTS['underlay'] =
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makePrimitiveProcedure(
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'underlay',
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plt.baselib.arity.makeArityAtLeast(2),
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function(MACHINE) {
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var img1 = checkImage(MACHINE, "underlay", 0);
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var img2 = checkImage(MACHINE, "underlay", 1);
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var restImages = [];
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for (var i = 2; i < MACHINE.a; i++) {
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restImages.push(checkImage(MACHINE, "underlay", i));
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}
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var img = makeOverlayImage(img2, img1, 0, 0);
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for (var i = 0; i < restImages.length; i++) {
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img = makeOverlayImage(restImages[i], img, 0, 0);
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}
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return img;
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});
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EXPORTS['underlay/xy'] =
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makePrimitiveProcedure(
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'underlay/xy',
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4,
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function(MACHINE) {
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var img1 = checkImage(MACHINE, "underlay/xy", 0);
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var deltaX = checkReal(MACHINE, "underlay/xy", 1);
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var deltaY = checkReal(MACHINE, "underlay/xy", 2);
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var img2 = checkImage(MACHINE, "underlay/xy", 3);
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return makeOverlayImage(img2.updatePinhole(0, 0),
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img1.updatePinhole(0, 0),
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-(jsnums.toFixnum(deltaX)),
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-(jsnums.toFixnum(deltaY)));
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});
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EXPORTS['underlay/align'] =
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makePrimitiveProcedure(
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'underlay/align',
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plt.baselib.arity.makeArityAtLeast(4),
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function(MACHINE) {
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var placeX = checkPlaceX(MACHINE, "underlay/align", 0);
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var placeY = checkPlaceY(MACHINE, "underlay/align", 1);
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var img1 = checkImage(MACHINE, "underlay/align", 2);
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var img2 = checkImage(MACHINE, "underlay/align", 3);
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var restImages = [];
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for (var i = 4; i < MACHINE.a; i++) {
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restImages.push(checkImage(MACHINE, "underlay/align", i));
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}
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var img = makeOverlayImage(img2,
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img1,
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placeX.toString(),
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placeY.toString());
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for (var i = 0; i < restImages.length; i++) {
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img = makeOverlayImage(restImages[i],
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img,
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placeX.toString(),
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placeY.toString());
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}
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return img;
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});
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EXPORTS['beside'] =
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makePrimitiveProcedure(
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'beside',
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plt.baselib.arity.makeArityAtLeast(2),
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function(MACHINE) {
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var img1 = checkImage(MACHINE, "beside", 0);
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var img2 = checkImage(MACHINE, "beside", 1);
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var restImages = [];
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for (var i = 2; i < MACHINE.a; i++) {
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restImages.push(checkImage(MACHINE, "beside", i));
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}
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var img = makeOverlayImage(img1,
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img2,
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"beside",
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"middle");
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for (var i = 0; i < restImages.length; i++) {
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img = makeOverlayImage(img, restImages[i], "beside", "middle");
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}
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return img;
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});
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EXPORTS['beside/align'] =
|
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makePrimitiveProcedure(
|
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'beside/align',
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plt.baselib.arity.makeArityAtLeast(3),
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function(MACHINE) {
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var placeY = checkPlaceY(MACHINE, "beside/align", 0);
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var img1 = checkImage(MACHINE, "beside/align", 1);
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var img2 = checkImage(MACHINE, "beside/align", 2);
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var restImages = [];
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for (var i = 3; i < MACHINE.a; i++) {
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restImages.push(checkImage(MACHINE, "beside/align", i));
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}
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var img = makeOverlayImage(img1,
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img2,
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"beside",
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placeY.toString());
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for (var i = 0; i < restImages.length; i++) {
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img = makeOverlayImage(img,
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restImages[i],
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"beside",
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placeY.toString());
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}
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return img;
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});
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EXPORTS['above'] =
|
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makePrimitiveProcedure(
|
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'above',
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plt.baselib.arity.makeArityAtLeast(2),
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function(MACHINE) {
|
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var img1 = checkImage(MACHINE, "above", 0);
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var img2 = checkImage(MACHINE, "above", 1);
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var restImages = [];
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for (var i = 2; i < MACHINE.a; i++) {
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restImages.push(checkImage(MACHINE, "above", i));
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}
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var img = makeOverlayImage(img1,
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img2,
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"middle",
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"above");
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for (var i = 0; i < restImages.length; i++)
|
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img = makeOverlayImage(img,
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restImages[i],
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"middle",
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"above");
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return img;
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|
});
|
|
|
|
EXPORTS['above/align'] =
|
|
makePrimitiveProcedure(
|
|
'above/align',
|
|
plt.baselib.arity.makeArityAtLeast(3),
|
|
function(MACHINE) {
|
|
var placeX = checkPlaceX(MACHINE, "above/align", 0);
|
|
var img1 = checkImage(MACHINE, "above/align", 1);
|
|
var img2 = checkImage(MACHINE, "above/align", 2);
|
|
var restImages = [];
|
|
for (var i = 3; i < MACHINE.a; i++) {
|
|
restImages.push(checkImage(MACHINE, "above/align", i));
|
|
}
|
|
|
|
|
|
var img = makeOverlayImage(img1,
|
|
img2,
|
|
placeX.toString(),
|
|
"above");
|
|
|
|
for (var i = 0; i < restImages.length; i++)
|
|
img = makeOverlayImage(img,
|
|
restImages[i],
|
|
placeX.toString(),
|
|
"above");
|
|
|
|
return img;
|
|
});
|
|
|
|
|
|
|
|
|
|
EXPORTS['empty-scene'] =
|
|
makePrimitiveProcedure(
|
|
'empty-scene',
|
|
2,
|
|
function(MACHINE) {
|
|
var width = checkNonNegativeReal(MACHINE, 'empty-scene', 0);
|
|
var height = checkNonNegativeReal(MACHINE, 'empty-scene', 1);
|
|
return makeSceneImage(jsnums.toFixnum(width),
|
|
jsnums.toFixnum(height),
|
|
[],
|
|
true);
|
|
});
|
|
|
|
|
|
|
|
EXPORTS['place-image'] =
|
|
makePrimitiveProcedure(
|
|
'place-image',
|
|
4,
|
|
function(MACHINE) {
|
|
var picture = checkImage(MACHINE, "place-image", 0);
|
|
var x = checkReal(MACHINE, "place-image", 1);
|
|
var y = checkReal(MACHINE, "place-image", 2);
|
|
var background = checkImageOrScene(MACHINE, "place-image", 3);
|
|
if (isScene(background)) {
|
|
return background.add(picture, jsnums.toFixnum(x), jsnums.toFixnum(y));
|
|
} else {
|
|
var newScene = makeSceneImage(background.getWidth(),
|
|
background.getHeight(),
|
|
[],
|
|
false);
|
|
newScene = newScene.add(background.updatePinhole(0, 0), 0, 0);
|
|
newScene = newScene.add(picture, jsnums.toFixnum(x), jsnums.toFixnum(y));
|
|
return newScene;
|
|
}
|
|
|
|
});
|
|
|
|
|
|
|
|
EXPORTS['place-image/align'] =
|
|
makePrimitiveProcedure(
|
|
'place-image/align',
|
|
6,
|
|
function(MACHINE) {
|
|
var img = checkImage(MACHINE, "place-image/align", 0);
|
|
var x = checkReal(MACHINE, "place-image/align", 1);
|
|
var y = checkReal(MACHINE, "place-image/align", 2);
|
|
var placeX = checkPlaceX(MACHINE, "place-image/align", 3);
|
|
var placeY = checkPlaceY(MACHINE, "place-image/align", 4);
|
|
var background = checkImageOrScene(MACHINE, "place-image/align", 5);
|
|
|
|
// calculate x and y based on placeX and placeY
|
|
if (placeX == "left") x = x + img.pinholeX;
|
|
else if (placeX == "right") x = x - img.pinholeX;
|
|
if (placeY == "top") y = y + img.pinholeY;
|
|
else if (placeY == "bottom") y = y - img.pinholeY;
|
|
|
|
if (isScene(background)) {
|
|
return background.add(img, jsnums.toFixnum(x), jsnums.toFixnum(y));
|
|
} else {
|
|
var newScene = makeSceneImage(background.getWidth(),
|
|
background.getHeight(),
|
|
[],
|
|
false);
|
|
newScene = newScene.add(background.updatePinhole(0, 0), 0, 0);
|
|
newScene = newScene.add(img, jsnums.toFixnum(x), jsnums.toFixnum(y));
|
|
return newScene;
|
|
}
|
|
});
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
EXPORTS['rotate'] =
|
|
makePrimitiveProcedure(
|
|
'rotate',
|
|
2,
|
|
function(MACHINE) {
|
|
var angle = checkAngle(MACHINE, "rotate", 0);
|
|
var img = checkImage(MACHINE, "rotate", 1);
|
|
return makeRotateImage(jsnums.toFixnum(-angle), img);
|
|
});
|
|
|
|
|
|
|
|
EXPORTS['scale'] =
|
|
makePrimitiveProcedure(
|
|
'scale',
|
|
2,
|
|
function(MACHINE) {
|
|
var factor = checkReal(MACHINE, "scale", 0);
|
|
var img = checkImage(MACHINE, "image", 1);
|
|
|
|
return makeScaleImage(jsnums.toFixnum(factor),
|
|
jsnums.toFixnum(factor),
|
|
img);
|
|
});
|
|
|
|
|
|
EXPORTS['scale/xy'] =
|
|
makePrimitiveProcedure(
|
|
'scale/xy',
|
|
3,
|
|
function(MACHINE) {
|
|
var xFactor = checkReal(MACHINE, "scale/xy", 0);
|
|
var yFactor = checkReal(MACHINE, "scale/xy", 1);
|
|
var img = checkImage(MACHINE, "scale/xy", 2);
|
|
return makeScaleImage(jsnums.toFixnum(xFactor),
|
|
jsnums.toFixnum(yFactor),
|
|
img);
|
|
|
|
});
|
|
|
|
|
|
EXPORTS['flip-horizontal'] =
|
|
makePrimitiveProcedure(
|
|
'flip-horizontal',
|
|
1,
|
|
function(MACHINE) {
|
|
var img = checkImage(MACHINE, "flip-horizontal", 0);
|
|
return makeFlipImage(img, "horizontal");
|
|
});
|
|
|
|
|
|
EXPORTS['flip-vertical'] =
|
|
makePrimitiveProcedure(
|
|
'flip-vertical',
|
|
1,
|
|
function(MACHINE) {
|
|
var img = checkImage(MACHINE, "flip-vertical", 0);
|
|
return makeFlipImage(img, "vertical");
|
|
});
|
|
|
|
|
|
EXPORTS['frame'] =
|
|
makePrimitiveProcedure(
|
|
'frame',
|
|
1,
|
|
function(MACHINE) {
|
|
var img = checkImage(MACHINE, "frame", 0);
|
|
return makeFrameImage(img);
|
|
});
|
|
|
|
|
|
EXPORTS['crop'] =
|
|
makePrimitiveProcedure(
|
|
'crop',
|
|
5,
|
|
function(MACHINE) {
|
|
var x = checkReal(MACHINE, "crop", 0);
|
|
var y = checkReal(MACHINE, "crop", 1);
|
|
var width = checkNonNegativeReal(MACHINE, "crop", 2);
|
|
var height = checkNonNegativeReal(MACHINE, "crop", 3);
|
|
var img = checkImage(MACHINE, "crop", 4);
|
|
return makeCropImage(jsnums.toFixnum(x),
|
|
jsnums.toFixnum(y),
|
|
jsnums.toFixnum(width),
|
|
jsnums.toFixnum(height),
|
|
img);
|
|
});
|
|
|
|
|
|
|
|
EXPORTS['line'] =
|
|
makePrimitiveProcedure(
|
|
'line',
|
|
3,
|
|
function(MACHINE) {
|
|
var x = checkReal(MACHINE, 'line', 0);
|
|
var y = checkReal(MACHINE, 'line', 1);
|
|
var c = checkColor(MACHINE, 'line', 2);
|
|
return makeLineImage(jsnums.toFixnum(x),
|
|
jsnums.toFixnum(y),
|
|
c,
|
|
true);
|
|
});
|
|
|
|
|
|
|
|
|
|
EXPORTS['add-line'] =
|
|
makePrimitiveProcedure(
|
|
'add-line',
|
|
6,
|
|
function(MACHINE) {
|
|
var img = checkImage(MACHINE, "add-line", 0);
|
|
var x1 = checkReal(MACHINE, "add-line", 1);
|
|
var y1 = checkReal(MACHINE, "add-line", 2);
|
|
var x2 = checkReal(MACHINE, "add-line", 3);
|
|
var y2 = checkReal(MACHINE, "add-line", 4);
|
|
var c = checkColor(MACHINE, "add-line", 5);
|
|
var line = makeLineImage(jsnums.toFixnum(x2-x1),
|
|
jsnums.toFixnum(y2-y1),
|
|
c,
|
|
true);
|
|
return makeOverlayImage(line, img, x1, y1);
|
|
});
|
|
|
|
|
|
|
|
EXPORTS['scene+line'] =
|
|
makePrimitiveProcedure(
|
|
'scene+line',
|
|
6,
|
|
function(MACHINE) {
|
|
var img = checkImage(MACHINE, "scene+line", 0);
|
|
var x1 = checkReal(MACHINE, "scene+line", 1);
|
|
var y1 = checkReal(MACHINE, "scene+line", 2);
|
|
var x2 = checkReal(MACHINE, "scene+line", 3);
|
|
var y2 = checkReal(MACHINE, "scene+line", 4);
|
|
var c = checkColor(MACHINE, "scene+line", 5);
|
|
// make a scene containing the image
|
|
var newScene = makeSceneImage(jsnums.toFixnum(img.getWidth()),
|
|
jsnums.toFixnum(img.getHeight()),
|
|
[],
|
|
true);
|
|
newScene = newScene.add(img.updatePinhole(0, 0), 0, 0);
|
|
// make an image containing the line
|
|
var line = makeLineImage(jsnums.toFixnum(x2-x1),
|
|
jsnums.toFixnum(y2-y1),
|
|
c,
|
|
false);
|
|
// add the line to scene, offset by the original amount
|
|
return newScene.add(line, jsnums.toFixnum(x1), jsnums.toFixnum(y1));
|
|
});
|
|
|
|
|
|
EXPORTS['circle'] =
|
|
makePrimitiveProcedure(
|
|
'circle',
|
|
3,
|
|
function(MACHINE) {
|
|
var aRadius = checkNonNegativeReal(MACHINE, "circle", 0);
|
|
var aMode = checkMode(MACHINE, "circle", 1);
|
|
var aColor = checkColor(MACHINE, "circle", 2);
|
|
return makeCircleImage(jsnums.toFixnum(aRadius), aMode.toString(), aColor);
|
|
});
|
|
|
|
|
|
EXPORTS['square'] =
|
|
makePrimitiveProcedure(
|
|
'square',
|
|
3,
|
|
function(MACHINE) {
|
|
var l = checkNonNegativeReal(MACHINE, "square", 0);
|
|
var s = checkMode(MACHINE, "square", 1);
|
|
var c = checkColor(MACHINE, "square", 2);
|
|
return makeSquareImage(jsnums.toFixnum(l), s.toString(), c);
|
|
});
|
|
|
|
|
|
EXPORTS['rectangle'] =
|
|
makePrimitiveProcedure(
|
|
'rectangle',
|
|
4,
|
|
function(MACHINE) {
|
|
var w = checkNonNegativeReal(MACHINE, "rectangle", 0);
|
|
var h = checkNonNegativeReal(MACHINE, "rectangle", 1);
|
|
var s = checkMode(MACHINE, "rectangle", 2);
|
|
var c = checkColor(MACHINE, "rectangle", 3);
|
|
return makeRectangleImage(jsnums.toFixnum(w),
|
|
jsnums.toFixnum(h),
|
|
s.toString(),
|
|
c);
|
|
});
|
|
|
|
|
|
EXPORTS['regular-polygon'] =
|
|
makePrimitiveProcedure(
|
|
'regular-polygon',
|
|
4,
|
|
function(MACHINE) {
|
|
var length = checkNonNegativeReal(MACHINE, "regular-polygon", 0);
|
|
var count = checkSideCount(MACHINE, "regular-polygon", 1);
|
|
var s = checkMode(MACHINE, "regular-polygon", 2);
|
|
var c = checkColor(MACHINE, "regular-polygon", 3);
|
|
return makePolygonImage(jsnums.toFixnum(length),
|
|
jsnums.toFixnum(count),
|
|
jsnums.toFixnum(1),
|
|
s.toString(),
|
|
c);
|
|
});
|
|
|
|
|
|
EXPORTS['ellipse'] =
|
|
makePrimitiveProcedure(
|
|
'ellipse',
|
|
4,
|
|
function(MACHINE) {
|
|
var w = checkNonNegativeReal(MACHINE, "ellipse", 0);
|
|
var h = checkNonNegativeReal(MACHINE, "ellipse", 1);
|
|
var s = checkMode(MACHINE, "ellipse", 2);
|
|
var c = checkColor(MACHINE, MACHINE, 3);
|
|
return makeEllipseImage(jsnums.toFixnum(w),
|
|
jsnums.toFixnum(h),
|
|
s.toString(),
|
|
c);
|
|
});
|
|
|
|
|
|
|
|
EXPORTS['triangle'] =
|
|
makePrimitiveProcedure(
|
|
'triangle',
|
|
3,
|
|
function(MACHINE) {
|
|
var s = checkNonNegativeReal(MACHINE, "triangle", 0);
|
|
var m = checkMode(MACHINE, "triangle", 1);
|
|
var c = checkColor(MACHINE, "triangle", 2);
|
|
return makeTriangleImage(jsnums.toFixnum(s),
|
|
60,
|
|
m.toString(),
|
|
c);
|
|
});
|
|
|
|
|
|
EXPORTS['right-triangle'] =
|
|
makePrimitiveProcedure(
|
|
'right-triangle',
|
|
4,
|
|
function(MACHINE) {
|
|
var side1 = checkNonNegativeReal(MACHINE, "right-triangle", 0);
|
|
var side2 = checkNonNegativeReal(MACHINE, "right-triangle", 1);
|
|
var s = checkMode(MACHINE, "right-triangle", 2);
|
|
var c = checkColor(MACHINE, "right-triangle", 3);
|
|
return makeRightTriangleImage(jsnums.toFixnum(side1),
|
|
jsnums.toFixnum(side2),
|
|
s.toString(),
|
|
c);
|
|
});
|
|
|
|
|
|
EXPORTS['isosceles-triangle'] =
|
|
makePrimitiveProcedure(
|
|
'isosceles-triangle',
|
|
4,
|
|
function(MACHINE) {
|
|
var side = checkNonNegativeReal(MACHINE, "isosceles-triangle", 0);
|
|
var angle = checkAngle(MACHINE, "isosceles-triangle", 1);
|
|
var s = checkMode(MACHINE, "isosceles-triangle", 2);
|
|
var c = checkColor(MACHINE, "isosceles-triangle", 3);
|
|
return makeTriangleImage(jsnums.toFixnum(side),
|
|
jsnums.toFixnum(angle),
|
|
s.toString(),
|
|
c);
|
|
});
|
|
|
|
|
|
EXPORTS['star'] =
|
|
makePrimitiveProcedure(
|
|
'star',
|
|
plt.baselib.lists.makeList(3, 5),
|
|
function(MACHINE) {
|
|
if (MACHINE.a === 3) {
|
|
var sideLength = checkNonNegativeReal(MACHINE, "star", 0);
|
|
var mode = checkMode(MACHINE, "star", 1);
|
|
var color = checkColor(MACHINE, "star", 2);
|
|
return makePolygonImage(jsnums.toFixnum(sideLength),
|
|
jsnums.toFixnum(5),
|
|
jsnums.toFixnum(2),
|
|
mode.toString(),
|
|
color);
|
|
} else if (MACHINE.a === 5) {
|
|
var n = checkSideCount(MACHINE, "star", 0);
|
|
var outer = checkNonNegativeReal(MACHINE, "star", 1);
|
|
var inner = checkNonNegativeReal(MACHINE, "star", 2);
|
|
var m = checkMode(MACHINE, "star", 3);
|
|
var c = checkColor(MACHINE, "star", 4);
|
|
return makeStarImage(jsnums.toFixnum(n),
|
|
jsnums.toFixnum(outer),
|
|
jsnums.toFixnum(inner),
|
|
m.toString(),
|
|
c);
|
|
}
|
|
});
|
|
|
|
EXPORTS['radial-star'] =
|
|
makePrimitiveProcedure(
|
|
'radial-star',
|
|
5,
|
|
function(MACHINE) {
|
|
var aPoints = checkPointsCount(MACHINE, 'radial-star', 0);
|
|
var anOuter = checkNonNegativeReal(MACHINE, 'radial-star', 1);
|
|
var anInner = checkNonNegativeReal(MACHINE, 'radial-star', 2);
|
|
var aStyle = checkMode(MACHINE, "radial-star", 3);
|
|
var aColor = checkColor(MACHINE, "radial-star", 4);
|
|
return makeStarImage(jsnums.toFixnum(aPoints),
|
|
jsnums.toFixnum(anOuter),
|
|
jsnums.toFixnum(anInner),
|
|
aStyle.toString(),
|
|
aColor);
|
|
});
|
|
|
|
|
|
|
|
EXPORTS['star-polygon'] =
|
|
makePrimitiveProcedure(
|
|
'star-polygon',
|
|
5,
|
|
function(MACHINE) {
|
|
var length = checkNonNegativeReal(MACHINE, "star-polygon", 0);
|
|
var count = checkNonNegativeReal(MACHINE, "star-polygon", 1);
|
|
var step = checkStepCount(MACHINE, "star-polygon", 2);
|
|
var s = checkMode(MACHINE, "star-polygon", 3);
|
|
var c = checkColor(MACHINE, "star-polygon", 4);
|
|
return makePolygonImage(jsnums.toFixnum(length),
|
|
jsnums.toFixnum(count),
|
|
jsnums.toFixnum(step),
|
|
s.toString(),
|
|
c);
|
|
});
|
|
|
|
|
|
EXPORTS['rhombus'] =
|
|
makePrimitiveProcedure(
|
|
'rhombus',
|
|
4,
|
|
function(MACHINE) {
|
|
var l = checkNonNegativeReal(MACHINE, "rhombus", 0);
|
|
var a = checkNonNegativeReal(MACHINE, "rhombus", 1);
|
|
var s = checkMode(MACHINE, "rhombus", 2);
|
|
var c = checkColor(MACHINE, "rhombus", 3);
|
|
return makeRhombusImage(jsnums.toFixnum(l),
|
|
jsnums.toFixnum(a),
|
|
s.toString(),
|
|
c);
|
|
|
|
});
|
|
|
|
|
|
EXPORTS['image->color-list'] =
|
|
makePrimitiveProcedure(
|
|
'image->color-list',
|
|
1,
|
|
function(MACHINE) {
|
|
var img = checkImage(MACHINE, 'image->color-list', 0);
|
|
return imageToColorList(img);
|
|
});
|
|
|
|
|
|
|
|
EXPORTS['color-list->image'] =
|
|
makePrimitiveProcedure(
|
|
'color-list->image',
|
|
5,
|
|
function(MACHINE) {
|
|
var listOfColors = checkListofColor(MACHINE, 'color-list->image', 0);
|
|
var width = checkNatural(MACHINE, 'color-list->image', 1);
|
|
var height = checkNatural(MACHINE, 'color-list->image', 2);
|
|
var pinholeX = checkNatural(MACHINE, 'color-list->image', 3);
|
|
var pinholeY = checkNatural(MACHINE, 'color-list->image', 4);
|
|
|
|
return colorListToImage(listOfColors,
|
|
width,
|
|
height,
|
|
pinholeX,
|
|
pinholeY);
|
|
});
|
|
|
|
EXPORTS['image-width'] =
|
|
makePrimitiveProcedure(
|
|
'image-width',
|
|
1,
|
|
function(MACHINE) {
|
|
var img = checkImage(MACHINE, 'image-width', 0);
|
|
return img.getWidth();
|
|
});
|
|
|
|
EXPORTS['image-height'] =
|
|
makePrimitiveProcedure(
|
|
'image-height',
|
|
1,
|
|
function(MACHINE) {
|
|
var img = checkImage(MACHINE, 'image-height', 0);
|
|
return img.getHeight();
|
|
});
|
|
|
|
EXPORTS['image-baseline'] =
|
|
makePrimitiveProcedure(
|
|
'image-baseline',
|
|
1,
|
|
function(MACHINE) {
|
|
var img = checkImage(MACHINE, 'image-baseline', 0);
|
|
return img.getBaseline();
|
|
});
|
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