659 lines
16 KiB
JavaScript
659 lines
16 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 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 _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 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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//////////////////////////////////////////////////////////////////////
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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.env[MACHINE.env.length - 1];
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return (isColorOrColorString(elt));
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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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var aSize = checkByte(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['image-url'] =
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makeClosure(
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'image-url',
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1,
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function(MACHINE) {
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var url = checkString(MACHINE, 'image-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.raise(
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MACHINE,
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new Error(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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// // FIXME
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// EXPORTS['open-image-url'] =
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// makePrimitiveProcedure(
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// 'open-image-url',
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// 1,
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// function(MACHINE) {
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// ...
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// });
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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.argcount; i++) {
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restImages.push(checkImage(MACHINE, "overlay", i));
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}
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var img = makeOverlayImage(img1, img2, 0, 0);
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for (var i = 0; i < restImages.length; i++) {
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img = makeOverlayImage(img, restImages[i], 0, 0);
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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("overlay/xy", 0);
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var deltaX = checkReal("overlay/xy", 1);
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var deltaY = checkReal("overlay/xy", 2);
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var img2 = checkImage("overlay/xy", 2);
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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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// FIXME
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// EXPORTS['overlay/align'] =
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// makePrimitiveProcedure(
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// 'overlay/align',
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// ???,
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// function(MACHINE) {
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// ...
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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.argcount; 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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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['beside'] =
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// makePrimitiveProcedure(
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// 'beside',
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// ???,
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// function(MACHINE) {
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// ...
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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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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['above'] =
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// makePrimitiveProcedure(
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// 'above',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['above/align'] =
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// makePrimitiveProcedure(
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// 'above/align',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['place-image/align'] =
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// makePrimitiveProcedure(
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// 'place-image/align',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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EXPORTS['rotate'] =
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makePrimitiveProcedure(
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'rotate',
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2,
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function(MACHINE) {
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var angle = checkReal(MACHINE, "rotate", 0);
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var img = checkImage(MACHINE, "rotate", 1);
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return makeRotateImage(jsnums.toFixnum(angle), img);
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});
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EXPORTS['scale'] =
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makePrimitiveProcedure(
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'scale',
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2,
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function(MACHINE) {
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var factor = checkReal(MACHINE, "scale", 0);
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var img = checkImage(MACHINE, "scale", 1);
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return makeScaleImage(jsnums.toFixnum(factor),
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jsnums.toFixnum(factor),
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img);
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});
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EXPORTS['scale/xy'] =
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makePrimitiveProcedure(
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'scale/xy',
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3,
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function(MACHINE) {
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var xFactor = checkReal(MACHINE, "scale/xy", 0);
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var yFactor = checkReal(MACHINE, "scale/xy", 1);
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var img = checkImage(MACHINE, "scale/xy", 2);
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return makeScaleImage(jsnums.toFixnum(xFactor),
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jsnums.toFixnum(yFactor),
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img);
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});
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// EXPORTS['flip-horizontal'] =
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// makePrimitiveProcedure(
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// 'flip-horizontal',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['flip-vertical'] =
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// makePrimitiveProcedure(
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// 'flip-vertical',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['frame'] =
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// makePrimitiveProcedure(
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// 'frame',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['crop'] =
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// makePrimitiveProcedure(
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// 'crop',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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EXPORTS['line'] =
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makePrimitiveProcedure(
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'line',
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3,
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function(MACHINE) {
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var x = checkReal(MACHINE, "line", 0);
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var y = checkReal(MACHINE, "line", 1);
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var c = checkColor(MACHINE, "line", 2);
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if (colorDb.get(c)) {
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c = colorDb.get(c);
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}
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var line = makeLineImage(jsnums.toFixnum(x),
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jsnums.toFixnum(y),
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c);
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return line;
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});
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// EXPORTS['add-line'] =
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// makePrimitiveProcedure(
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// 'add-line',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['scene+line'] =
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// makePrimitiveProcedure(
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// 'scene+line',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['circle'] =
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// makePrimitiveProcedure(
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// 'circle',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['square'] =
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// makePrimitiveProcedure(
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// 'square',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['rectangle'] =
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// makePrimitiveProcedure(
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// 'rectangle',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['regular-polygon'] =
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// makePrimitiveProcedure(
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// 'regular-polygon',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['ellipse'] =
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// makePrimitiveProcedure(
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// 'ellipse',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['triangle'] =
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// makePrimitiveProcedure(
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// 'triangle',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['right-triangle'] =
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// makePrimitiveProcedure(
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// 'right-triangle',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['isosceles-triangle'] =
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// makePrimitiveProcedure(
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// 'isosceles-triangle',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['star'] =
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// makePrimitiveProcedure(
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// 'star',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['radial-star'] =
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// makePrimitiveProcedure(
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// 'radial-star',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['star-polygon'] =
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// makePrimitiveProcedure(
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// 'star-polygon',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['rhombus'] =
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// makePrimitiveProcedure(
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// 'rhombus',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['image->color-list'] =
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// makePrimitiveProcedure(
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// 'image->color-list',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['color-list->image'] =
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// makePrimitiveProcedure(
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// 'color-list->image',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['image-width'] =
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// makePrimitiveProcedure(
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// 'image-width',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['image-height'] =
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// makePrimitiveProcedure(
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// 'image-height',
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// ???,
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// function(MACHINE) {
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// ...
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// });
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// EXPORTS['image-baseline'] =
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// makePrimitiveProcedure(
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// 'image-baseline',
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// ???,
|
|
// function(MACHINE) {
|
|
// ...
|
|
// });
|
|
|
|
// EXPORTS['image-color?'] =
|
|
// makePrimitiveProcedure(
|
|
// 'image-color?',
|
|
// ???,
|
|
// function(MACHINE) {
|
|
// ...
|
|
// });
|
|
|
|
// EXPORTS['mode?'] =
|
|
// makePrimitiveProcedure(
|
|
// 'mode?',
|
|
// ???,
|
|
// function(MACHINE) {
|
|
// ...
|
|
// });
|
|
|
|
// EXPORTS['x-place?'] =
|
|
// makePrimitiveProcedure(
|
|
// 'x-place?',
|
|
// ???,
|
|
// function(MACHINE) {
|
|
// ...
|
|
// });
|
|
|
|
// EXPORTS['y-place?'] =
|
|
// makePrimitiveProcedure(
|
|
// 'y-place?',
|
|
// ???,
|
|
// function(MACHINE) {
|
|
// ...
|
|
// });
|
|
|
|
// EXPORTS['angle?'] =
|
|
// makePrimitiveProcedure(
|
|
// 'angle?',
|
|
// ???,
|
|
// function(MACHINE) {
|
|
// ...
|
|
// });
|
|
|
|
// EXPORTS['side-count?'] =
|
|
// makePrimitiveProcedure(
|
|
// 'side-count?',
|
|
// ???,
|
|
// function(MACHINE) {
|
|
// ...
|
|
// });
|
|
|
|
// EXPORTS['image-url'] =
|
|
// makePrimitiveProcedure(
|
|
// 'image-url',
|
|
// ???,
|
|
// function(MACHINE) {
|
|
// ...
|
|
// });
|
|
// EXPORTS['open-image-url'] =
|
|
// makePrimitiveProcedure(
|
|
// 'open-image-url',
|
|
// ???,
|
|
// function(MACHINE) {
|
|
// ...
|
|
// });
|
|
// EXPORTS['color-list->image'] =
|
|
// makePrimitiveProcedure(
|
|
// 'color-list->image',
|
|
// ???,
|
|
// function(MACHINE) {
|
|
// ...
|
|
// });
|
|
|
|
|
|
// EXPORTS['step-count?'] =
|
|
// makePrimitiveProcedure(
|
|
// 'step-count?',
|
|
// ???,
|
|
// function(MACHINE) {
|
|
// ...
|
|
// });
|