MyPaintSurface.cpp File Reference

#include "MyPaintSurface.h"
#include <KoColorConversions.h>
#include <KoColorSpace.h>
#include <KoColorSpaceMaths.h>
#include <QtMath>
#include <kis_algebra_2d.h>
#include <kis_cross_device_color_sampler.h>
#include <kis_image.h>
#include <kis_node.h>
#include <kis_sequential_iterator.h>
#include <kis_selection.h>
#include <qmath.h>
#include <KoCompositeOpRegistry.h>
#include <KoMixColorsOp.h>

Go to the source code of this file.

Functions
static float	calculate_r_sample (float x, float y, float aspect_ratio, float sn, float cs)
static void	closest_point_to_line (float lx, float ly, float px, float py, float *ox, float *oy)
void	destroy_internal_surface_callback (MyPaintSurface *surface)
static float	sign_point_in_line (float px, float py, float vx, float vy)

Function Documentation

calculate_r_sample()

static float calculate_r_sample ( float x, float y, float aspect_ratio, float sn, float cs )

inlinestatic

Definition at line 428 of file MyPaintSurface.cpp.

                                                                              {
 
    const float yyr=(y*cs-x*sn)*aspect_ratio;
    const float xxr=y*sn+x*cs;
    const float r = (yyr*yyr + xxr*xxr);
    return r;
}

closest_point_to_line()

static void closest_point_to_line ( float lx, float ly, float px, float py, float * ox, float * oy )

inlinestatic

Definition at line 443 of file MyPaintSurface.cpp.

                                                                                         {
 
    const float l2 = lx*lx + ly*ly;
    const float ltp_dot = px*lx + py*ly;
    const float t = ltp_dot / l2;
    *ox = lx * t;
    *oy = ly * t;
}

destroy_internal_surface_callback()

void destroy_internal_surface_callback

(

MyPaintSurface *

surface

)

Definition at line 25 of file MyPaintSurface.cpp.

{
    KisMyPaintSurface::MyPaintSurfaceInternal *ptr = static_cast<KisMyPaintSurface::MyPaintSurfaceInternal*>(surface);
    delete ptr;
}

sign_point_in_line()

static float sign_point_in_line ( float px, float py, float vx, float vy )

inlinestatic

Definition at line 437 of file MyPaintSurface.cpp.

                                                            {
 
    return (px - vx) * (-vy) - (vx) * (py - vy);
}