1 files changed, 229 insertions, 229 deletions
diff --git a/ftnoir_posewidget/glwidget.cpp b/ftnoir_posewidget/glwidget.cpp
index 671dd35d..9f495e0b 100644
--- a/ftnoir_posewidget/glwidget.cpp
+++ b/ftnoir_posewidget/glwidget.cpp
@@ -1,230 +1,230 @@
-/* Copyright (c) 2013 Stanislaw Halik <sthalik@misaki.pl>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- */
-
-#include <QtGui>
-#include "glwidget.h"
-#include <QWidget>
-#include <cmath>
-#include <algorithm>
-
-GLWidget::GLWidget(QWidget *parent) : QWidget(parent)
-{
-    front = QImage(QString(":/images/side1.png"));
-    back = QImage(QString(":/images/side6.png"));
-    rotateBy(0, 0, 0);
-}
-
-GLWidget::~GLWidget()
-{
-}
-
-void GLWidget::paintEvent ( QPaintEvent * event ) {
-    QWidget::paintEvent(event);
-    QPainter p(this);
-    project_quad_texture();
-    p.drawPixmap(event->rect(), pixmap, event->rect());
-}
-
-void GLWidget::rotateBy(double xAngle, double yAngle, double zAngle)
-{
-    
-    double ch = cos(xAngle / 57.295781);
-    double sh = sin(xAngle / 57.295781);
-    double ca = cos(yAngle / 57.295781);
-    double sa = sin(yAngle / 57.295781);
-    double cb = cos(zAngle / 57.295781);
-    double sb = sin(zAngle / 57.295781);
-
-    matrix[0 * 3 + 0] = ch * ca;
-    matrix[0 * 3 + 1]= sh*sb - ch*sa*cb;
-    matrix[0 * 3 + 2]= ch*sa*sb + sh*cb;
-    matrix[1 * 3 + 0]= sa;
-    matrix[1 * 3 + 1]= ca*cb;
-    matrix[1 * 3 + 2]= -ca*sb;
-    matrix[2 * 3 + 0]= -sh*ca;
-    matrix[2 * 3 + 1]= sh*sa*cb + ch*sb;
-    matrix[2 * 3 + 2]= -sh*sa*sb + ch*cb;
-    update();
-}
-
-class Triangle {
-public:
-    Triangle(const Vec2f& p1,
-             const Vec2f& p2,
-             const Vec2f& p3)
-    {
-        origin = p1;
-        v0 = Vec2f(p3.x - p1.x, p3.y - p1.y);
-        v1 = Vec2f(p2.x - p1.x, p2.y - p1.y);
-        dot00 = dot(v0, v0);
-        dot01 = dot(v0, v1);
-        dot11 = dot(v1, v1);
-        invDenom = 1 / (dot00 * dot11 - dot01 * dot01);
-    }
-    bool barycentric_coords(const Vec2f& px, Vec2f& uv) const
-    {
-        Vec2f v2(px.x - origin.x, px.y - origin.y);
-        double dot12 = dot(v1, v2);
-        double dot02 = dot(v0, v2);
-        double u = (dot11 * dot02 - dot01 * dot12) * invDenom;
-        double v = (dot00 * dot12 - dot01 * dot02) * invDenom;
-        uv.x = u;
-        uv.y = v;
-        return (u >= 0) && (v >= 0) && (u + v <= 1);
-    }
-    
-private:
-    double dot00, dot01, dot11, invDenom;
-    Vec2f v0, v1, origin;
-    double dot(const Vec2f& p1, const Vec2f& p2) const {
-        return p1.x * p2.x + p1.y * p2.y;
-    }
-};
-
-static __inline Vec3f cross(const Vec3f& p1, const Vec3f& p2)
-{
-    return Vec3f(p1.y * p2.z - p2.y * p1.z,
-                 p2.x * p1.z - p1.x * p2.z,
-                 p1.x * p2.y - p1.y * p2.x);
-}
-
-static __inline Vec3f normal(const Vec3f& p1, const Vec3f& p2, const Vec3f& p3)
-{
-    Vec3f u(p2.x - p1.x, p2.y - p1.y, p2.z - p1.z);
-    Vec3f v(p3.x - p1.x, p3.y - p1.y, p3.z - p1.z);
-     
-    Vec3f tmp = cross(u, v);
-    
-    double i = 1./sqrt(tmp.x * tmp.x + tmp.y * tmp.y + tmp.z * tmp.z);
-    
-    return Vec3f(i * tmp.x, i * tmp.y, i * tmp.z);
-}
-
-void GLWidget::project_quad_texture() {
-    const int sx = width(), sy = height();
-    Point pt[4];
-    static Vec3f corners[] = {
-        Vec3f(0, 0, 0),
-        Vec3f(sx-1, 0, 0),
-        Vec3f(0, sy-1, 0),
-        Vec3f(sx-1, sy-1, 0)
-    };
-    
-    for (int i = 0; i < 4; i++) {
-        pt[i] = project(Vec3f(corners[i].x - sx/2, corners[i].y - sy/2, 0));
-        pt[i].x += sx/2;
-        pt[i].y += sy/2;
-    }
-    
-    Vec3f normal1(0, 0, 1);
-    Vec3f normal2;
-    {
-        Vec3f foo[3];
-        for (int i = 0; i < 3; i++)
-            foo[i] = project2(corners[i]);
-        normal2 = normal(foo[0], foo[1], foo[2]);
-    }
-    
-    double dir = normal1.x * normal2.x + normal1.y * normal2.y + normal1.z * normal2.z;
-    
-    QImage& tex = dir < 0 ? back : front;
-    
-    int ow = tex.width(), oh = tex.height();
-       
-    Vec2f p2[4];
-
-    for (int i = 0; i < 4; i++)
-        p2[i] = Vec2f(pt[i].x, pt[i].y);
-    
-    QImage texture(QSize(sx, sy), QImage::Format_RGB888);
-    texture.fill(Qt::black);
-    
-    const Vec2f projected[2][3] = { { p2[0], p2[1], p2[2] }, { p2[3], p2[1], p2[2] } };
-    const Vec2f origs[2][3] = {
-        { Vec2f(0, 0), Vec2f(ow-1, 0), Vec2f(0, oh-1) },
-        { Vec2f(ow-1, oh-1), Vec2f(ow-1, 0), Vec2f(0, oh-1) }
-    };
-    const Triangle triangles[2] = {
-        Triangle(projected[0][0], projected[0][1], projected[0][2]),
-        Triangle(projected[1][0], projected[1][1], projected[1][2])
-    };
-  
-    int orig_pitch = tex.bytesPerLine();
-    int dest_pitch = texture.bytesPerLine();
-    
-    const unsigned char* orig = tex.bits();
-    unsigned char* dest = texture.bits();
-    
-    int orig_depth = tex.depth() / 8;
-    int dest_depth = texture.depth() / 8;
-    
-    /* image breakage? */
-    if (orig_depth < 3)
-        return;
-
-    for (int y = 0; y < sy; y++)
-        for (int x = 0; x < sx; x++) {
-            Vec2f pos;
-            pos.x = x;
-            pos.y = y;
-            for (int i = 0; i < 2; i++) {
-                Vec2f coords;
-                if (triangles[i].barycentric_coords(pos, coords))
-                {
-                    double qx = origs[i][0].x
-                                + coords.x * (origs[i][2].x - origs[i][0].x)
-                                + coords.y * (origs[i][1].x - origs[i][0].x);
-                    double qy = origs[i][0].y
-                                + coords.x * (origs[i][2].y - origs[i][0].y)
-                                + coords.y * (origs[i][1].y - origs[i][0].y);
-                    int qx1 = std::min<int>(ow - 1, std::max<int>(0, qx - 0.5));
-                    int qy1 = std::min<int>(oh - 1, std::max<int>(0, qy - 0.5));
-                    int qx2 = std::min<int>(ow - 1, std::max<int>(0, qx + 0.5));
-                    int qy2 = std::min<int>(oh - 1, std::max<int>(0, qy + 0.5));
-
-                    double dx1 = qx1 - qx;
-                    double dy1 = qy1 - qy;
-                    double dx2 = qx2 - qx;
-                    double dy2 = qy2 - qy;
-
-                    double d1 = 2 - (dx1 * dx1 + dy1 * dy1);
-                    double d2 = 2 - (dx2 * dx2 + dy2 * dy2);
-                    double d3 = 2 - (dx2 * dx2 + dy1 * dy1);
-                    double d4 = 2 - (dx1 * dx1 + dy2 * dy2);
-
-                    double inv_norm = 1. / (d1 + d2 + d3 + d4);
-
-                    d1 *= inv_norm;
-                    d2 *= inv_norm;
-                    d3 *= inv_norm;
-                    d4 *= inv_norm;
-                    
-                    double r = d1 * (double) orig[qy1 * orig_pitch + qx1 * orig_depth + 2]
-                               + d2 * (double) orig[qy2 * orig_pitch + qx2 * orig_depth + 2]
-                               + d3 * (double) orig[qy1 * orig_pitch + qx2 * orig_depth + 2]
-                               + d4 * (double) orig[qy2 * orig_pitch + qx1 * orig_depth + 2];
-                    
-                    double g = d1 * (double) orig[qy1 * orig_pitch + qx1 * orig_depth + 1]
-                               + d2 * (double) orig[qy2 * orig_pitch + qx2 * orig_depth + 1]
-                               + d3 * (double) orig[qy1 * orig_pitch + qx2 * orig_depth + 1]
-                               + d4 * (double) orig[qy2 * orig_pitch + qx1 * orig_depth + 1];
-                    
-                    double b = d1 * (double) orig[qy1 * orig_pitch + qx1 * orig_depth + 0]
-                               + d2 * (double) orig[qy2 * orig_pitch + qx2 * orig_depth + 0]
-                               + d3 * (double) orig[qy1 * orig_pitch + qx2 * orig_depth + 0]
-                               + d4 * (double) orig[qy2 * orig_pitch + qx1 * orig_depth + 0];
-                    
-                    dest[y * dest_pitch + x * dest_depth + 0] = std::max<int>(0, std::min<int>(255, r));
-                    dest[y * dest_pitch + x * dest_depth + 1] = std::max<int>(0, std::min<int>(255, g));
-                    dest[y * dest_pitch + x * dest_depth + 2] = std::max<int>(0, std::min<int>(255, b));
-
-                    break;
-                }
-            }
-        }
-    pixmap = QPixmap::fromImage(texture);
+/* Copyright (c) 2013 Stanislaw Halik <sthalik@misaki.pl>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ */
+
+#include <QtGui>
+#include "glwidget.h"
+#include <QWidget>
+#include <cmath>
+#include <algorithm>
+
+GLWidget::GLWidget(QWidget *parent) : QWidget(parent)
+{
+    front = QImage(QString(":/images/side1.png"));
+    back = QImage(QString(":/images/side6.png"));
+    rotateBy(0, 0, 0);
+}
+
+GLWidget::~GLWidget()
+{
+}
+
+void GLWidget::paintEvent ( QPaintEvent * event ) {
+    QWidget::paintEvent(event);
+    QPainter p(this);
+    project_quad_texture();
+    p.drawPixmap(event->rect(), pixmap, event->rect());
+}
+
+void GLWidget::rotateBy(double xAngle, double yAngle, double zAngle)
+{
+    
+    double ch = cos(xAngle / 57.295781);
+    double sh = sin(xAngle / 57.295781);
+    double ca = cos(yAngle / 57.295781);
+    double sa = sin(yAngle / 57.295781);
+    double cb = cos(zAngle / 57.295781);
+    double sb = sin(zAngle / 57.295781);
+
+    matrix[0 * 3 + 0] = ch * ca;
+    matrix[0 * 3 + 1]= sh*sb - ch*sa*cb;
+    matrix[0 * 3 + 2]= ch*sa*sb + sh*cb;
+    matrix[1 * 3 + 0]= sa;
+    matrix[1 * 3 + 1]= ca*cb;
+    matrix[1 * 3 + 2]= -ca*sb;
+    matrix[2 * 3 + 0]= -sh*ca;
+    matrix[2 * 3 + 1]= sh*sa*cb + ch*sb;
+    matrix[2 * 3 + 2]= -sh*sa*sb + ch*cb;
+    update();
+}
+
+class Triangle {
+public:
+    Triangle(const Vec2f& p1,
+             const Vec2f& p2,
+             const Vec2f& p3)
+    {
+        origin = p1;
+        v0 = Vec2f(p3.x - p1.x, p3.y - p1.y);
+        v1 = Vec2f(p2.x - p1.x, p2.y - p1.y);
+        dot00 = dot(v0, v0);
+        dot01 = dot(v0, v1);
+        dot11 = dot(v1, v1);
+        invDenom = 1 / (dot00 * dot11 - dot01 * dot01);
+    }
+    bool barycentric_coords(const Vec2f& px, Vec2f& uv) const
+    {
+        Vec2f v2(px.x - origin.x, px.y - origin.y);
+        double dot12 = dot(v1, v2);
+        double dot02 = dot(v0, v2);
+        double u = (dot11 * dot02 - dot01 * dot12) * invDenom;
+        double v = (dot00 * dot12 - dot01 * dot02) * invDenom;
+        uv.x = u;
+        uv.y = v;
+        return (u >= 0) && (v >= 0) && (u + v <= 1);
+    }
+    
+private:
+    double dot00, dot01, dot11, invDenom;
+    Vec2f v0, v1, origin;
+    double dot(const Vec2f& p1, const Vec2f& p2) const {
+        return p1.x * p2.x + p1.y * p2.y;
+    }
+};
+
+static __inline Vec3f cross(const Vec3f& p1, const Vec3f& p2)
+{
+    return Vec3f(p1.y * p2.z - p2.y * p1.z,
+                 p2.x * p1.z - p1.x * p2.z,
+                 p1.x * p2.y - p1.y * p2.x);
+}
+
+static __inline Vec3f normal(const Vec3f& p1, const Vec3f& p2, const Vec3f& p3)
+{
+    Vec3f u(p2.x - p1.x, p2.y - p1.y, p2.z - p1.z);
+    Vec3f v(p3.x - p1.x, p3.y - p1.y, p3.z - p1.z);
+     
+    Vec3f tmp = cross(u, v);
+    
+    double i = 1./sqrt(tmp.x * tmp.x + tmp.y * tmp.y + tmp.z * tmp.z);
+    
+    return Vec3f(i * tmp.x, i * tmp.y, i * tmp.z);
+}
+
+void GLWidget::project_quad_texture() {
+    const int sx = width(), sy = height();
+    Point pt[4];
+    static Vec3f corners[] = {
+        Vec3f(0, 0, 0),
+        Vec3f(sx-1, 0, 0),
+        Vec3f(0, sy-1, 0),
+        Vec3f(sx-1, sy-1, 0)
+    };
+    
+    for (int i = 0; i < 4; i++) {
+        pt[i] = project(Vec3f(corners[i].x - sx/2, corners[i].y - sy/2, 0));
+        pt[i].x += sx/2;
+        pt[i].y += sy/2;
+    }
+    
+    Vec3f normal1(0, 0, 1);
+    Vec3f normal2;
+    {
+        Vec3f foo[3];
+        for (int i = 0; i < 3; i++)
+            foo[i] = project2(corners[i]);
+        normal2 = normal(foo[0], foo[1], foo[2]);
+    }
+    
+    double dir = normal1.x * normal2.x + normal1.y * normal2.y + normal1.z * normal2.z;
+    
+    QImage& tex = dir < 0 ? back : front;
+    
+    int ow = tex.width(), oh = tex.height();
+       
+    Vec2f p2[4];
+
+    for (int i = 0; i < 4; i++)
+        p2[i] = Vec2f(pt[i].x, pt[i].y);
+    
+    QImage texture(QSize(sx, sy), QImage::Format_RGB888);
+    texture.fill(Qt::black);
+    
+    const Vec2f projected[2][3] = { { p2[0], p2[1], p2[2] }, { p2[3], p2[1], p2[2] } };
+    const Vec2f origs[2][3] = {
+        { Vec2f(0, 0), Vec2f(ow-1, 0), Vec2f(0, oh-1) },
+        { Vec2f(ow-1, oh-1), Vec2f(ow-1, 0), Vec2f(0, oh-1) }
+    };
+    const Triangle triangles[2] = {
+        Triangle(projected[0][0], projected[0][1], projected[0][2]),
+        Triangle(projected[1][0], projected[1][1], projected[1][2])
+    };
+  
+    int orig_pitch = tex.bytesPerLine();
+    int dest_pitch = texture.bytesPerLine();
+    
+    const unsigned char* orig = tex.bits();
+    unsigned char* dest = texture.bits();
+    
+    int orig_depth = tex.depth() / 8;
+    int dest_depth = texture.depth() / 8;
+    
+    /* image breakage? */
+    if (orig_depth < 3)
+        return;
+
+    for (int y = 0; y < sy; y++)
+        for (int x = 0; x < sx; x++) {
+            Vec2f pos;
+            pos.x = x;
+            pos.y = y;
+            for (int i = 0; i < 2; i++) {
+                Vec2f coords;
+                if (triangles[i].barycentric_coords(pos, coords))
+                {
+                    double qx = origs[i][0].x
+                                + coords.x * (origs[i][2].x - origs[i][0].x)
+                                + coords.y * (origs[i][1].x - origs[i][0].x);
+                    double qy = origs[i][0].y
+                                + coords.x * (origs[i][2].y - origs[i][0].y)
+                                + coords.y * (origs[i][1].y - origs[i][0].y);
+                    int qx1 = std::min<int>(ow - 1, std::max<int>(0, qx - 0.5));
+                    int qy1 = std::min<int>(oh - 1, std::max<int>(0, qy - 0.5));
+                    int qx2 = std::min<int>(ow - 1, std::max<int>(0, qx + 0.5));
+                    int qy2 = std::min<int>(oh - 1, std::max<int>(0, qy + 0.5));
+
+                    double dx1 = qx1 - qx;
+                    double dy1 = qy1 - qy;
+                    double dx2 = qx2 - qx;
+                    double dy2 = qy2 - qy;
+
+                    double d1 = 2 - (dx1 * dx1 + dy1 * dy1);
+                    double d2 = 2 - (dx2 * dx2 + dy2 * dy2);
+                    double d3 = 2 - (dx2 * dx2 + dy1 * dy1);
+                    double d4 = 2 - (dx1 * dx1 + dy2 * dy2);
+
+                    double inv_norm = 1. / (d1 + d2 + d3 + d4);
+
+                    d1 *= inv_norm;
+                    d2 *= inv_norm;
+                    d3 *= inv_norm;
+                    d4 *= inv_norm;
+                    
+                    double r = d1 * (double) orig[qy1 * orig_pitch + qx1 * orig_depth + 2]
+                               + d2 * (double) orig[qy2 * orig_pitch + qx2 * orig_depth + 2]
+                               + d3 * (double) orig[qy1 * orig_pitch + qx2 * orig_depth + 2]
+                               + d4 * (double) orig[qy2 * orig_pitch + qx1 * orig_depth + 2];
+                    
+                    double g = d1 * (double) orig[qy1 * orig_pitch + qx1 * orig_depth + 1]
+                               + d2 * (double) orig[qy2 * orig_pitch + qx2 * orig_depth + 1]
+                               + d3 * (double) orig[qy1 * orig_pitch + qx2 * orig_depth + 1]
+                               + d4 * (double) orig[qy2 * orig_pitch + qx1 * orig_depth + 1];
+                    
+                    double b = d1 * (double) orig[qy1 * orig_pitch + qx1 * orig_depth + 0]
+                               + d2 * (double) orig[qy2 * orig_pitch + qx2 * orig_depth + 0]
+                               + d3 * (double) orig[qy1 * orig_pitch + qx2 * orig_depth + 0]
+                               + d4 * (double) orig[qy2 * orig_pitch + qx1 * orig_depth + 0];
+                    
+                    dest[y * dest_pitch + x * dest_depth + 0] = std::max<int>(0, std::min<int>(255, r));
+                    dest[y * dest_pitch + x * dest_depth + 1] = std::max<int>(0, std::min<int>(255, g));
+                    dest[y * dest_pitch + x * dest_depth + 2] = std::max<int>(0, std::min<int>(255, b));
+
+                    break;
+                }
+            }
+        }
+    pixmap = QPixmap::fromImage(texture);
 }
 \ No newline at end of file