mirror of https://github.com/adamdruppe/arsd.git
Remove superfluous `SamplingMode` templating
This commit is contained in:
Elias Batek
parent
c65c8d462e
commit
4ca96e723b
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@ -3188,17 +3188,11 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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static if (filter == ScalingFilter.bilinear) {
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auto pxInt = Pixel(0, 0, 0, 0);
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enum SamplingMode {
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single,
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dual,
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multi,
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}
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// ======== Interpolate X ========
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auto sampleX(SamplingMode mode)() {
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auto sampleX() {
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pragma(inline, true);
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static if (mode == SamplingMode.multi) {
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static if (directionY == down) {
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alias ForeachLineCallback =
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InterPixel delegate(const Point posLine) @safe pure nothrow @nogc;
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@ -3216,11 +3210,11 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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// ========== None ==========
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static if (directionX == none) {
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static if (mode == SamplingMode.single) {
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static if (directionY == none) {
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return pxNeighs[idxTL];
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}
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static if (mode == SamplingMode.dual) {
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static if (directionY == up) {
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return () @trusted {
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InterPixel[2] result = [
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toInterPixel(pxNeighs[idxTL]),
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@ -3230,7 +3224,7 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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}();
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}
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static if (mode == SamplingMode.multi) {
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static if (directionY == down) {
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auto ySum = foreachLine(delegate(const Point posLine) {
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const pxSrc = source.getPixel(posLine);
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return toInterPixel(pxSrc);
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@ -3242,7 +3236,7 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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// ========== Down ==========
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static if (directionX == down) {
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static if (mode == SamplingMode.single) {
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static if (directionY == none) {
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const posSampling = posNeighs[idxTL];
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const samplingOffset = source.scanTo(posSampling);
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const srcSamples = () @trusted {
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@ -3261,7 +3255,7 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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return toPixel(xSum);
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}
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static if (mode == SamplingMode.dual) {
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static if (directionY == up) {
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const Point[2] posSampling = [
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posNeighs[idxTL],
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posNeighs[idxBL],
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@ -3296,7 +3290,7 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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return xSums;
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}
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static if (mode == SamplingMode.multi) {
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static if (directionY == down) {
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auto ySum = foreachLine(delegate(const Point posLine) {
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const samplingOffset = source.scanTo(posLine);
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const srcSamples = () @trusted {
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@ -3324,10 +3318,10 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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static if (directionX == up) {
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if (posSrcX[0] == posSrcX[1]) {
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static if (mode == SamplingMode.single) {
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static if (directionY == none) {
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return pxNeighs[idxTL];
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}
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static if (mode == SamplingMode.dual) {
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static if (directionY == up) {
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return () @trusted {
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InterPixel[2] result = [
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toInterPixel(pxNeighs[idxTL]),
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@ -3336,7 +3330,7 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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return result;
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}();
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}
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static if (mode == SamplingMode.multi) {
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static if (directionY == down) {
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auto ySum = foreachLine(delegate(const Point posLine) {
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const samplingOffset = source.scanTo(posLine);
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return toInterPixel(
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@ -3355,7 +3349,7 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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return result;
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}();
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static if (mode == SamplingMode.single) {
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static if (directionY == none) {
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InterPixel xSum = [0, 0, 0, 0];
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foreach (immutable ib, ref c; xSum) {
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@ -3369,7 +3363,7 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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return toPixel(xSum);
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}
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static if (mode == SamplingMode.dual) {
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static if (directionY == up) {
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InterPixel[2] xSums = [[0, 0, 0, 0], [0, 0, 0, 0]];
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() @trusted {
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@ -3393,7 +3387,7 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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return xSums;
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}
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static if (mode == SamplingMode.multi) {
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static if (directionY == down) {
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auto ySum = foreachLine(delegate(const Point posLine) {
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InterPixel xSum = [0, 0, 0, 0];
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@ -3425,15 +3419,15 @@ private void scaleToImpl(ScalingFilter filter)(const Pixmap source, Pixmap targe
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// ======== Interpolate Y ========
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static if (directionY == none) {
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const Pixel tmp = sampleX!(SamplingMode.single)();
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const Pixel tmp = sampleX();
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pxInt = tmp;
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}
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static if (directionY == down) {
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const InterPixel tmp = sampleX!(SamplingMode.multi)();
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const InterPixel tmp = sampleX();
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pxInt = toPixel(tmp);
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}
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static if (directionY == up) {
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const InterPixel[2] xSums = sampleX!(SamplingMode.dual)();
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const InterPixel[2] xSums = sampleX();
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foreach (immutable ib, ref c; pxInt.components) {
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ulong ySum = 0;
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ySum += ((() @trusted => xSums[idxT].ptr[ib])() * weightsY[idxT]);
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