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-rw-r--r--ftnoir_posewidget/glwidget.cpp199
1 files changed, 0 insertions, 199 deletions
diff --git a/ftnoir_posewidget/glwidget.cpp b/ftnoir_posewidget/glwidget.cpp
deleted file mode 100644
index 07445c8a..00000000
--- a/ftnoir_posewidget/glwidget.cpp
+++ /dev/null
@@ -1,199 +0,0 @@
-/* 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 "glwidget.h"
-#include <cmath>
-#include <algorithm>
-
-#include <QPainter>
-#include <QPaintEvent>
-
-GLWidget::GLWidget(QWidget *parent) : QWidget(parent)
-{
- Q_INIT_RESOURCE(posewidget);
-
- front = QImage(QString(":/images/side1.png"));
- back = QImage(QString(":/images/side6.png"));
- rotateBy(0, 0, 0);
-}
-
-GLWidget::~GLWidget()
-{
-}
-
-void GLWidget::paintEvent ( QPaintEvent * event ) {
- QPainter p(this);
- project_quad_texture();
- p.drawImage(event->rect(), texture);
-}
-
-void GLWidget::rotateBy(double xAngle, double yAngle, double zAngle)
-{
-
- double c1 = cos(yAngle / 57.295781);
- double s1 = sin(yAngle / 57.295781);
- double c2 = cos(xAngle / 57.295781);
- double s2 = sin(xAngle / 57.295781);
- double c3 = cos(zAngle / 57.295781);
- double s3 = sin(zAngle / 57.295781);
-
- double foo[] = {
- c2*c3, -c2*s3, s2,
- c1*s3+c3*s1*s2, c1*c3-s1*s2*s3, -c2*s1,
- s1*s3-c1*c3*s2, c3*s1+c1*s2*s3, c1*c2,
- };
-
- for (int i = 0; i < 9; i++)
- matrix[i] = foo[i];
-
- 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);
- QColor bgColor = palette().color(QPalette::Current, QPalette::Window);
- texture.fill(bgColor);
-
- 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))
- {
- int px = origs[i][0].x
- + coords.x * (origs[i][2].x - origs[i][0].x)
- + coords.y * (origs[i][1].x - origs[i][0].x);
- int py = 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 r = orig[py * orig_pitch + px * orig_depth + 2];
- int g = orig[py * orig_pitch + px * orig_depth + 1];
- int b = orig[py * orig_pitch + px * orig_depth + 0];
-
- dest[y * dest_pitch + x * dest_depth + 0] = r;
- dest[y * dest_pitch + x * dest_depth + 1] = g;
- dest[y * dest_pitch + x * dest_depth + 2] = b;
-
- break;
- }
- }
- }
- this->texture = texture;
-}
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