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https://github.com/amyinspace/MagicSetEditor2.git
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Change tabs to two spaces.
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Lymia Aluysia
+86
-86
@@ -15,84 +15,84 @@
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// 'Rotater' is a function object that knows how to 'rotate' a pixel coordinate
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template <class Rotater>
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Image rotate_image_impl(Image img) {
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UInt width = img.GetWidth(), height = img.GetHeight();
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// initialize the return image
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Image ret;
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Rotater::init(ret, width, height);
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Byte* in = img.GetData(), *out = ret.GetData();
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// rotate each pixel
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for (UInt y = 0 ; y < height ; ++y) {
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for (UInt x = 0 ; x < width ; ++x) {
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memcpy(out + 3 * Rotater::offset(x, y, width, height), in, 3);
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in += 3;
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}
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}
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// don't forget alpha
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if (img.HasAlpha()) {
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ret.InitAlpha();
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in = img.GetAlpha();
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out = ret.GetAlpha();
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for (UInt y = 0 ; y < height ; ++y) {
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for (UInt x = 0 ; x < width ; ++x) {
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out[Rotater::offset(x, y, width, height)] = *in;
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in += 1;
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}
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}
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}
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// ret is rotated image
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return ret;
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UInt width = img.GetWidth(), height = img.GetHeight();
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// initialize the return image
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Image ret;
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Rotater::init(ret, width, height);
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Byte* in = img.GetData(), *out = ret.GetData();
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// rotate each pixel
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for (UInt y = 0 ; y < height ; ++y) {
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for (UInt x = 0 ; x < width ; ++x) {
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memcpy(out + 3 * Rotater::offset(x, y, width, height), in, 3);
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in += 3;
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}
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}
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// don't forget alpha
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if (img.HasAlpha()) {
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ret.InitAlpha();
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in = img.GetAlpha();
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out = ret.GetAlpha();
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for (UInt y = 0 ; y < height ; ++y) {
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for (UInt x = 0 ; x < width ; ++x) {
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out[Rotater::offset(x, y, width, height)] = *in;
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in += 1;
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}
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}
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}
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// ret is rotated image
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return ret;
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}
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// ----------------------------------------------------------------------------- : Rotations
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// Function object to handle rotation
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struct Rotate90deg {
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/// Init a rotated image, where the source is w * h pixels
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inline static void init(Image& img, UInt w, UInt h) {
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img.Create(h, w, false);
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}
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/// Offset in the target data, x, y, w, h are SOURCE coordintes
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inline static int offset(UInt x, UInt y, UInt w, UInt h) {
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int mx = y;
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int my = w - x - 1;
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return h * my + mx; // note: h, since that is the width of the target image
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}
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/// Init a rotated image, where the source is w * h pixels
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inline static void init(Image& img, UInt w, UInt h) {
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img.Create(h, w, false);
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}
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/// Offset in the target data, x, y, w, h are SOURCE coordintes
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inline static int offset(UInt x, UInt y, UInt w, UInt h) {
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int mx = y;
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int my = w - x - 1;
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return h * my + mx; // note: h, since that is the width of the target image
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}
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};
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struct Rotate180deg {
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inline static void init(Image& img, UInt w, UInt h) {
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img.Create(w, h, false);
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}
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inline static int offset(UInt x, UInt y, UInt w, UInt h) {
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UInt mx = w - x - 1;
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UInt my = h - y - 1;
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return w * my + mx;
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}
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inline static void init(Image& img, UInt w, UInt h) {
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img.Create(w, h, false);
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}
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inline static int offset(UInt x, UInt y, UInt w, UInt h) {
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UInt mx = w - x - 1;
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UInt my = h - y - 1;
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return w * my + mx;
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}
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};
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struct Rotate270deg {
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inline static void init(Image& img, UInt w, UInt h) {
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img.Create(h, w, false);
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}
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inline static int offset(UInt x, UInt y, UInt w, UInt h) {
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UInt mx = h - y - 1;
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UInt my = x;
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return h * my + mx;
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}
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inline static void init(Image& img, UInt w, UInt h) {
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img.Create(h, w, false);
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}
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inline static int offset(UInt x, UInt y, UInt w, UInt h) {
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UInt mx = h - y - 1;
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UInt my = x;
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return h * my + mx;
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}
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};
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// ----------------------------------------------------------------------------- : Interface
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Image rotate_image(const Image& image, Radians angle) {
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double a = constrain_radians(angle);
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if (is_rad0(a)) return image;
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if (is_rad90(a)) return rotate_image_impl<Rotate90deg> (image);
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if (is_rad180(a)) return rotate_image_impl<Rotate180deg>(image);
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if (is_rad270(a)) return rotate_image_impl<Rotate270deg>(image);
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else {
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if (!image.HasAlpha()) const_cast<Image&>(image).InitAlpha();
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return image.Rotate(angle, wxPoint(0,0));
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}
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double a = constrain_radians(angle);
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if (is_rad0(a)) return image;
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if (is_rad90(a)) return rotate_image_impl<Rotate90deg> (image);
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if (is_rad180(a)) return rotate_image_impl<Rotate180deg>(image);
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if (is_rad270(a)) return rotate_image_impl<Rotate270deg>(image);
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else {
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if (!image.HasAlpha()) const_cast<Image&>(image).InitAlpha();
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return image.Rotate(angle, wxPoint(0,0));
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}
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}
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@@ -100,37 +100,37 @@ Image rotate_image(const Image& image, Radians angle) {
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// reverse a list of n chunks of size 'step'
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void do_flip(Byte const* in, Byte* out, int step, int n) {
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for (int i = 0, j = n-1 ; i < n ; ++i, --j) {
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memcpy(&out[i*step], &in[j*step], step);
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}
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for (int i = 0, j = n-1 ; i < n ; ++i, --j) {
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memcpy(&out[i*step], &in[j*step], step);
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}
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}
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void do_flip(Byte const* in, Byte* out, int step1, int n1, int n2) {
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int step2 = step1 * n1;
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for (int i = 0 ; i < n2 ; ++i) {
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do_flip(in,out,step1,n1);
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in += step2;
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out += step2;
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}
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int step2 = step1 * n1;
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for (int i = 0 ; i < n2 ; ++i) {
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do_flip(in,out,step1,n1);
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in += step2;
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out += step2;
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}
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}
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Image flip_image_horizontal(Image const& img) {
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int w = img.GetWidth(), h= img.GetHeight();
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Image out(w,h,false);
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do_flip(img.GetData(), out.GetData(), 3, w, h);
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if (img.HasAlpha()) {
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out.InitAlpha();
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do_flip(img.GetAlpha(), out.GetAlpha(), 1, w, h);
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}
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return out;
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int w = img.GetWidth(), h= img.GetHeight();
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Image out(w,h,false);
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do_flip(img.GetData(), out.GetData(), 3, w, h);
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if (img.HasAlpha()) {
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out.InitAlpha();
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do_flip(img.GetAlpha(), out.GetAlpha(), 1, w, h);
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}
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return out;
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}
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Image flip_image_vertical(Image const& img) {
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int w = img.GetWidth(), h= img.GetHeight();
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Image out(w,h,false);
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do_flip(img.GetData(), out.GetData(), 3 * w, h);
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if (img.HasAlpha()) {
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out.InitAlpha();
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do_flip(img.GetAlpha(), out.GetAlpha(), 1 * w, h);
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}
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return out;
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int w = img.GetWidth(), h= img.GetHeight();
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Image out(w,h,false);
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do_flip(img.GetData(), out.GetData(), 3 * w, h);
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if (img.HasAlpha()) {
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out.InitAlpha();
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do_flip(img.GetAlpha(), out.GetAlpha(), 1 * w, h);
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}
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return out;
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}
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