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// Copyright (C) 1999-2017
// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
// For conditions of distribution and use, see copyright notice in "copyright"
#include <tkInt.h>
#include "framebase.h"
#include "fitsimage.h"
#include "marker.h"
#include "context.h"
#include "ps.h"
// Public
FrameBase::FrameBase(Tcl_Interp* i, Tk_Canvas c, Tk_Item* item)
: Base(i, c, item)
{
rotateSrcXM = NULL;
rotateDestXM = NULL;
rotatePM = 0;
colormapXM = NULL;
colormapPM = 0;
colormapGCXOR = 0;
}
FrameBase::~FrameBase()
{
if (colormapXM)
XDestroyImage(colormapXM);
if (colormapPM)
Tk_FreePixmap(display, colormapPM);
if (colormapGCXOR)
XFreeGC(display, colormapGCXOR);
}
double FrameBase::calcZoomPanner()
{
if (!(keyContext->fits && pannerPixmap))
return 1;
Vector src = imageSize(keyContext->datasec() ? FrScale::DATASEC : FrScale::IMGSEC);
return calcZoom(src, Vector(pannerWidth,pannerHeight));
}
void FrameBase::rotateMotion()
{
// Rotate from src to dest
Vector cc = Vector(options->width,options->height)/2;
Matrix m = (Translate(-cc) * Rotate(rotation-rotateRotation) *
Translate(cc)).invert();
double* mm = m.mm();
int& width = options->width;
int& height = options->height;
char* src = rotateSrcXM->data;
int bytesPerPixel = rotateDestXM->bits_per_pixel/8;
for (int j=0; j<height; j++) {
// the line may be padded at the end
char* dest = rotateDestXM->data + j*rotateDestXM->bytes_per_line;
memset(dest,0,rotateDestXM->bytes_per_line);
for (int i=0; i<width; i++, dest+=bytesPerPixel) {
double x = i*mm[0] + j*mm[3] + mm[6];
double y = i*mm[1] + j*mm[4] + mm[7];
if (x >= 0 && x < width && y >= 0 && y < height) {
#if MAC_OSX_TK
// I really don't understand this
char* sptr = src + ((int)y)*rotateDestXM->bytes_per_line+
((int)x)*bytesPerPixel;
*(dest+0) = *(sptr+3);
*(dest+1) = *(sptr+0);
*(dest+2) = *(sptr+1);
*(dest+3) = *(sptr+2);
#else
memcpy(dest, src + ((int)y)*rotateDestXM->bytes_per_line +
((int)x)*bytesPerPixel, bytesPerPixel);
#endif
}
else
memcpy(dest, bgTrueColor_, bytesPerPixel);
}
}
// XImage to Pixmap
TkPutImage(NULL, 0, display, rotatePM, widgetGC, rotateDestXM,
0, 0, 0, 0, options->width, options->height);
// Display Pixmap
Vector dd = Vector() * widgetToWindow;
XCopyArea(display, rotatePM, Tk_WindowId(tkwin), rotateGCXOR, 0, 0,
options->width, options->height, dd[0], dd[1]);
}
void FrameBase::setBinCursor()
{
if (context->cfits)
context->cfits->setBinCursor(cursor);
}
void FrameBase::setSlice(int id, int ss)
{
// IMAGE (ranges 1-n)
currentContext->updateSlice(id, ss);
switch (currentContext->clipScope()) {
case FrScale::GLOBAL:
break;
case FrScale::LOCAL:
currentContext->clearHist();
currentContext->updateClip();
break;
}
currentContext->updateContours();
updateColorScale();
update(MATRIX);
Base::setSlice(id,ss);
}
void FrameBase::updateBin(const Matrix& mx)
{
// Note: cursor is in REF coords, imageCenter() in IMAGE coords
cursor = imageCenter(FrScale::IMGSEC);
Base::updateBin(mx);
}
void FrameBase::updatePanner()
{
Base::updatePanner();
if (usePanner) {
ostringstream str;
str << pannerName << " update " << (void*)pannerPixmap << ';';
// calculate bbox
Vector ll = Vector(0,0) * widgetToPanner;
Vector lr = Vector(options->width,0) * widgetToPanner;
Vector ur = Vector(options->width,options->height) * widgetToPanner;
Vector ul = Vector(0,options->height) * widgetToPanner;
str << pannerName << " update bbox "
<< ll << ' ' << lr << ' ' << ur << ' ' << ul << ';';
// calculate image compass vectors
Matrix mm =
FlipY() *
irafMatrix_ *
wcsOrientationMatrix *
Rotate(wcsRotation) *
orientationMatrix *
Rotate(rotation);
Vector xx = (Vector(1,0)*mm).normalize();
Vector yy = (Vector(0,1)*mm).normalize();
str << pannerName << " update image compass "
<< xx << ' ' << yy << ';';
if (keyContext->fits && keyContext->fits->hasWCS(wcsSystem_)) {
Vector orpix = keyContext->fits->center();
Vector orval=keyContext->fits->pix2wcs(orpix, wcsSystem_, wcsSky_);
Vector orpix2 = keyContext->fits->wcs2pix(orval, wcsSystem_,wcsSky_);
Vector delta = keyContext->fits->getWCScdelt(wcsSystem_).abs();
Vector npix = keyContext->fits->wcs2pix(Vector(orval[0],orval[1]+delta[1]), wcsSystem_,wcsSky_);
Vector north = ((npix-orpix2)*mm).normalize();
Vector epix = keyContext->fits->wcs2pix(Vector(orval[0]+delta[0],orval[1]), wcsSystem_,wcsSky_);
Vector east = ((epix-orpix2)*mm).normalize();
// sanity check
Vector diff = (north-east).abs();
if ((north[0]==0 && north[1]==0) ||
(east[0]==0 && east[1]==0) ||
(diff[0]<.01 && diff[1]<.01)) {
north = (Vector(0,1)*mm).normalize();
east = (Vector(-1,0)*mm).normalize();
}
str << pannerName << " update wcs compass "
<< north << ' ' << east << ends;
}
else
str << pannerName << " update wcs compass invalid" << ends;
Tcl_Eval(interp, str.str().c_str());
}
}
void FrameBase::x11MagnifierCursor(const Vector& vv)
{
// first, the inner color'd box
Vector uu = vv * canvasToUser;
Matrix mm = Translate(-uu) *
Rotate(wcsRotation) *
Rotate(rotation) *
Scale(zoom_) *
Scale(magnifierZoom_) *
Translate(magnifierWidth/2., magnifierHeight/2.);
Vector c[5];
c[0] = (uu + Vector(-.5,-.5)) * mm;
c[1] = (uu + Vector( .5,-.5)) * mm;
c[2] = (uu + Vector( .5, .5)) * mm;
c[3] = (uu + Vector(-.5, .5)) * mm;
c[4] = c[0];
XPoint pts[5];
for (int ii=0; ii<5; ii++) {
Vector z = c[ii].round();
pts[ii].x = (short)z[0];
pts[ii].y = (short)z[1];
}
XSetForeground(display, widgetGC, getColor(magnifierColorName));
XDrawLines(display, magnifierPixmap, widgetGC, pts, 5, CoordModeOrigin);
// now, the outer black box
Matrix nn =
Translate(-(uu * mm)) *
Rotate(-rotation) *
Rotate(-wcsRotation);
Matrix oo = nn.invert();
Vector dd[5];
for (int ii=0; ii<5; ii++)
dd[ii] = c[ii] * nn;
dd[0]+=Vector(-1,-1);
dd[1]+=Vector( 1,-1);
dd[2]+=Vector( 1, 1);
dd[3]+=Vector(-1, 1);
dd[4]=dd[0];
for (int ii=0; ii<5; ii++) {
dd[ii] = dd[ii] * oo;
Vector zz = dd[ii].round();
pts[ii].x = (int)zz[0];
pts[ii].y = (int)zz[1];
}
XSetForeground(display, widgetGC, getColor("black"));
XDrawLines(display, magnifierPixmap, widgetGC, pts, 5, CoordModeOrigin);
}
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