static void rna_Camera_angle_set(PointerRNA *ptr, float value)
{
Camera *cam = ptr->id.data;
float sensor = camera_sensor_size(cam->sensor_fit, cam->sensor_x, cam->sensor_y);
cam->lens = fov_to_focallength(value, sensor);
}
void camera_params_compute_viewplane(CameraParams *params, int winx, int winy, float xasp, float yasp)
{
rctf viewplane;
float pixsize, viewfac, sensor_size, dx, dy;
int sensor_fit;
/* fields rendering */
params->ycor= yasp/xasp;
if (params->use_fields)
params->ycor *= 2.0f;
if (params->is_ortho) {
/* orthographic camera */
/* scale == 1.0 means exact 1 to 1 mapping */
pixsize= params->ortho_scale;
}
else {
/* perspective camera */
sensor_size= camera_sensor_size(params->sensor_fit, params->sensor_x, params->sensor_y);
pixsize= (sensor_size * params->clipsta)/params->lens;
}
/* determine sensor fit */
sensor_fit = camera_sensor_fit(params->sensor_fit, xasp*winx, yasp*winy);
if (sensor_fit==CAMERA_SENSOR_FIT_HOR)
viewfac= winx;
else
viewfac= params->ycor * winy;
pixsize /= viewfac;
/* extra zoom factor */
pixsize *= params->zoom;
/* compute view plane:
* fully centered, zbuffer fills in jittered between -.5 and +.5 */
viewplane.xmin = -0.5f*(float)winx;
viewplane.ymin = -0.5f*params->ycor*(float)winy;
viewplane.xmax = 0.5f*(float)winx;
viewplane.ymax = 0.5f*params->ycor*(float)winy;
/* lens shift and offset */
dx= params->shiftx*viewfac + winx*params->offsetx;
dy= params->shifty*viewfac + winy*params->offsety;
viewplane.xmin += dx;
viewplane.ymin += dy;
viewplane.xmax += dx;
viewplane.ymax += dy;
/* fields offset */
if (params->field_second) {
if (params->field_odd) {
viewplane.ymin-= 0.5f * params->ycor;
viewplane.ymax-= 0.5f * params->ycor;
}
else {
viewplane.ymin+= 0.5f * params->ycor;
viewplane.ymax+= 0.5f * params->ycor;
}
}
/* the window matrix is used for clipping, and not changed during OSA steps */
/* using an offset of +0.5 here would give clip errors on edges */
viewplane.xmin *= pixsize;
viewplane.xmax *= pixsize;
viewplane.ymin *= pixsize;
viewplane.ymax *= pixsize;
params->viewdx= pixsize;
params->viewdy= params->ycor * pixsize;
params->viewplane= viewplane;
}
static float rna_Camera_angle_get(PointerRNA *ptr)
{
Camera *cam = ptr->id.data;
float sensor = camera_sensor_size(cam->sensor_fit, cam->sensor_x, cam->sensor_y);
return focallength_to_fov(cam->lens, sensor);
}
