16 extern double angleBetweenVectors (
const QPointF &v1,
20 extern double angleFromVectorToVector (
const QPointF &vFrom,
24 extern QRgb pixelRGB (
const QImage &image,
int x,
int y);
27 extern QRgb pixelRGB1 (
const QImage &image1Bit,
int x,
int y);
30 extern QRgb pixelRGB8 (
const QImage &image8Bit,
int x,
int y);
33 extern QRgb pixelRGB32 (
const QImage &image32Bit,
int x,
int y);
49 extern void projectPointOntoLine(
double xToProject,
57 double *projectedDistanceOutsideLine,
58 double *distanceToLine);
61 extern void setPixelRGB (QImage &image,
int x,
int y, QRgb q);
64 extern void setPixelRGB1 (QImage &image1Bit,
int x,
int y, QRgb q);
67 extern void setPixelRGB8 (QImage &image8Bit,
int x,
int y, QRgb q);
70 extern void setPixelRGB32 (QImage &image32Bit,
int x,
int y, QRgb q);