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Just another update

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Ingy döt Net 2015-02-20 00:35:01 -05:00
parent a25938f123
commit 00a190b0a6
6591 changed files with 94363 additions and 23227 deletions
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16
Task/Grayscale-image/D/grayscale-image.d
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@ -12,7 +12,7 @@ struct Gray {
Image!Color loadPGM(Color)(Image!Color img, in string fileName) {
static int readNum(FILE* f) nothrow {
static int readNum(FILE* f) nothrow @nogc {
int n;
while (!fscanf(f, "%d ", &n)) {
if ((n = fgetc(f)) == '#') {
@ -25,11 +25,11 @@ Image!Color loadPGM(Color)(Image!Color img, in string fileName) {
return n;
}
scope(exit) if (fin) fclose(fin);
if (img is null)
img = new Image!Color();
auto fin = fopen(fileName.toStringz(), "rb");
scope(exit) if (fin) fclose(fin);
if (!fin)
throw new Exception("Can't open input file.");
@ -78,28 +78,28 @@ in {
}
Gray lumCIE(in RGB c) pure nothrow {
Gray lumCIE(in RGB c) pure nothrow @nogc {
return Gray(cast(ubyte)(0.2126 * c.r +
0.7152 * c.g +
0.0722 * c.b + 0.5));
}
Gray lumAVG(in RGB c) pure nothrow {
Gray lumAVG(in RGB c) pure nothrow @nogc {
return Gray(cast(ubyte)(0.3333 * c.r +
0.3333 * c.g +
0.3333 * c.b + 0.5));
}
Image!Gray rgb2grayImage(alias Conv=lumCIE)(in Image!RGB im) {
Image!Gray rgb2grayImage(alias Conv=lumCIE)(in Image!RGB im) nothrow {
auto result = new typeof(return)(im.nx, im.ny);
foreach (i, immutable rgb; im.image)
foreach (immutable i, immutable rgb; im.image)
result.image[i] = Conv(rgb);
return result;
}
Image!RGB gray2rgbImage(in Image!Gray im) {
Image!RGB gray2rgbImage(in Image!Gray im) nothrow {
auto result = new typeof(return)(im.nx, im.ny);
foreach (i, immutable gr; im.image)
foreach (immutable i, immutable gr; im.image)
result.image[i] = RGB(gr, gr, gr);
return result;
}