int read_image (Tcl_Interp* interp, char path[128], unsigned char *img)
{
int i, j;
Tk_PhotoHandle img_handle;
Tk_PhotoImageBlock img_block;
if (tiff_flag) {
sprintf(val, "temp read %s", path);
Tcl_Eval(interp, val);
img_handle = Tk_FindPhoto( interp, "temp");
Tk_PhotoGetImage (img_handle, &img_block);
for ( j=0;j<imgsize;j++)
{
i=4*j;
*(img +j) = *(img_block.pixelPtr + i);
}
}
else {
fp1 = fopen_rp (path); // replaced fopen_r, ad holten 12-2012
if (!fp1) return 0;
fread (img, 1, imgsize, fp1);
fclose (fp1);
img_handle = Tk_FindPhoto( interp, "temp");
Tk_PhotoGetImage (img_handle, &img_block);
tclimg2cimg (interp, img, &img_block);
}
return 1;
}
void
camltk_setimgdata_native (value imgname, value pixmap, value x, value y,
value w, value h) /* ML */
{
Tk_PhotoHandle ph;
Tk_PhotoImageBlock pib;
int code;
#if (TK_MAJOR_VERSION < 8)
if (NULL == (ph = Tk_FindPhoto(String_val(imgname))))
tk_error("no such image");
#else
if (NULL == (ph = Tk_FindPhoto(cltclinterp, String_val(imgname))))
tk_error("no such image");
#endif
pib.pixelPtr = String_val(pixmap);
pib.width = Int_val(w);
pib.height = Int_val(h);
pib.pitch = pib.width * 3;
pib.pixelSize = 3;
pib.offset[0] = 0;
pib.offset[1] = 1;
pib.offset[2] = 2;
Tk_PhotoPutBlock(
#if (TK_MAJOR_VERSION == 8 && TK_MINOR_VERSION >= 5 || TK_MAJOR_VERSION > 8)
NULL,
#endif
ph,&pib,Int_val(x),Int_val(y),Int_val(w),Int_val(h)
#if (TK_MAJOR_VERSION == 8 && TK_MINOR_VERSION >= 4 || TK_MAJOR_VERSION > 8)
, TK_PHOTO_COMPOSITE_SET
#endif
);
}
value camltk_getimgdata (value imgname) /* ML */
{
Tk_PhotoHandle ph;
Tk_PhotoImageBlock pib;
int code,size;
value res;
#if (TK_MAJOR_VERSION < 8)
if (NULL == (ph = Tk_FindPhoto(String_val(imgname))))
tk_error("no such image");
#else
if (NULL == (ph = Tk_FindPhoto(cltclinterp, String_val(imgname))))
tk_error("no such image");
#endif
code = Tk_PhotoGetImage(ph,&pib); /* never fails ? */
size = pib.width * pib.height * pib.pixelSize;
res = alloc_string(size);
/* no holes, default format ? */
if ((pib.pixelSize == 3) &&
(pib.pitch == (pib.width * pib.pixelSize)) &&
(pib.offset[0] == 0) &&
(pib.offset[1] == 1) &&
(pib.offset[2] == 2)) {
memcpy(pib.pixelPtr, String_val(res),size);
return res;
} else {
int y; /* varies from 0 to height - 1 */
int yoffs = 0; /* byte offset of line in src */
int yidx = 0; /* byte offset of line in dst */
for (y=0; y<pib.height; y++,yoffs+=pib.pitch,yidx+=pib.width * 3) {
int x; /* varies from 0 to width - 1 */
int xoffs = yoffs; /* byte offset of pxl in src */
int xidx = yidx; /* byte offset of pxl in dst */
for (x=0; x<pib.width; x++,xoffs+=pib.pixelSize,xidx+=3) {
Byte(res, xidx) = pib.pixelPtr[xoffs+pib.offset[0]];
Byte(res, xidx + 1) = pib.pixelPtr[xoffs+pib.offset[1]];
Byte(res, xidx + 2) = pib.pixelPtr[xoffs+pib.offset[2]];
};
}
return res;
}
}
static void
UpdateImage(
TreeDragImage dragImage /* Drag image record. */
)
{
TreeCtrl *tree = dragImage->tree;
Tk_PhotoHandle photoH;
XImage *ximage;
int width = dragImage->bounds[2] - dragImage->bounds[0];
int height = dragImage->bounds[3] - dragImage->bounds[1];
int alpha = 128;
XColor *colorPtr;
if (dragImage->image != NULL) {
Tk_FreeImage(dragImage->image);
dragImage->image = NULL;
}
photoH = Tk_FindPhoto(tree->interp, "::TreeCtrl::ImageDrag");
if (photoH == NULL) {
Tcl_GlobalEval(tree->interp, "image create photo ::TreeCtrl::ImageDrag");
photoH = Tk_FindPhoto(tree->interp, "::TreeCtrl::ImageDrag");
if (photoH == NULL)
return;
}
/* Pixmap -> XImage */
ximage = XGetImage(tree->display, dragImage->pixmap, 0, 0,
(unsigned int)width, (unsigned int)height, AllPlanes, ZPixmap);
if (ximage == NULL)
panic("tkTreeDrag.c:UpdateImage() ximage is NULL");
/* XImage -> Tk_Image */
colorPtr = Tk_GetColor(tree->interp, tree->tkwin, "pink");
Tree_XImage2Photo(tree->interp, photoH, ximage, colorPtr->pixel, alpha);
XDestroyImage(ximage);
dragImage->image = Tk_GetImage(tree->interp, tree->tkwin,
"::TreeCtrl::ImageDrag", NULL, (ClientData) NULL);
}
/*
*---------------------------------------------------------------------------
*
* HtmlImageAlphaChannel --
*
* Results:
*
* 1 if there are one or more pixels in the image with an alpha
* alpha-channel value of other than 100%. Otherwise 0.
*
* Side effects:
* None.
*
*---------------------------------------------------------------------------
*/
int
HtmlImageAlphaChannel (HtmlImage2 *pImage)
{
HtmlImage2 *p = (pImage->pUnscaled ? pImage->pUnscaled : pImage);
if (p->eAlpha == ALPHA_CHANNEL_UNKNOWN) {
HtmlTree *pTree= pImage->pImageServer->pTree;
Tk_PhotoHandle photo;
Tk_PhotoImageBlock block;
int x, y;
int w = p->width;
int h = p->height;
Tcl_Obj *pCompressed = getImageCompressed(pImage);
unsigned char *zCompressed;
int nCompressed;
int i;
assert(pCompressed);
zCompressed = Tcl_GetByteArrayFromObj(pCompressed, &nCompressed);
for(i = 0; 1 && i < 16 && i < (nCompressed-4); i++){
if (zCompressed[i] == 'J' &&
zCompressed[i+1] == 'F' &&
zCompressed[i+2] == 'I' &&
zCompressed[i+3] == 'F'
) {
p->eAlpha = ALPHA_CHANNEL_FALSE;
return 0;
}
}
p->eAlpha = ALPHA_CHANNEL_FALSE;
photo = Tk_FindPhoto(pTree->interp, Tcl_GetString(p->pImageName));
if (!photo) return 0;
Tk_PhotoGetImage(photo, &block);
if (!block.pixelPtr) return 0;
for (y = 0; y < h; y++) {
unsigned char *z = &block.pixelPtr[block.pitch*y+block.offset[3]];
for (x = 0; x < w; x++) {
if (*z != 255) {
p->eAlpha = ALPHA_CHANNEL_TRUE;
return 1;
}
z += block.pixelSize;
}
}
}
return ((p->eAlpha == ALPHA_CHANNEL_TRUE) ? 1 : 0);
}
int pre_processing_c ()
{
int i_img, sup;
//Tk_PhotoHandle img_handle;
//Tk_PhotoImageBlock img_block;
if( verbose ) printf( "Filtering with Highpass");
//Tcl_SetVar(interp, "tbuf", val, TCL_GLOBAL_ONLY);
//Tcl_Eval(interp, ".text delete 2");
//Tcl_Eval(interp, ".text insert 2 $tbuf");
/* read support of unsharp mask */
fpp = fopen ("parameters/unsharp_mask.par", "r");
if ( fpp == 0) { sup = 12;}
else { fscanf (fpp, "%d\n", &sup); fclose (fpp); }
for (i_img=0; i_img<n_img; i_img++)
{
highpass (img_name[i_img], img[i_img], img[i_img], sup, 0, chfield, i_img);
if (display) {
#if 0
img_handle = Tk_FindPhoto( interp, "temp");
Tk_PhotoGetImage (img_handle, &img_block);
tclimg2cimg (interp, img[i_img], &img_block);
sprintf(val, "newimage %d", i_img+1);
Tcl_GlobalEval(interp, val);
#endif
}
}
if(verbose)printf( "...done\n");
//Tcl_SetVar(interp, "tbuf", val, TCL_GLOBAL_ONLY);
//Tcl_Eval(interp, ".text delete 3");
//Tcl_Eval(interp, ".text insert 3 $tbuf");
return TCL_OK;
}
static int
PyImagingPhotoGet(ClientData clientdata, Tcl_Interp* interp,
int argc, char **argv)
{
Tk_PhotoHandle photo;
Tk_PhotoImageBlock block;
if (argc != 2) {
Tcl_AppendResult(interp, "usage: ", argv[0],
" srcPhoto", (char *) NULL);
return TCL_ERROR;
}
/* get Tcl PhotoImage handle */
photo = Tk_FindPhoto(interp, argv[1]);
if (photo == NULL) {
Tcl_AppendResult(
interp, "source photo must exist", (char *) NULL
);
return TCL_ERROR;
}
Tk_PhotoGetImage(photo, &block);
printf("pixelPtr = %p\n", block.pixelPtr);
printf("width = %d\n", block.width);
printf("height = %d\n", block.height);
printf("pitch = %d\n", block.pitch);
printf("pixelSize = %d\n", block.pixelSize);
printf("offset = %d %d %d %d\n", block.offset[0], block.offset[1],
block.offset[2], block.offset[3]);
Tcl_AppendResult(
interp, "this function is not yet supported", (char *) NULL
);
return TCL_ERROR;
}
int oddeven_c ()
{
int i_img, sup=12;
//Tk_PhotoHandle img_handle;
//Tk_PhotoImageBlock img_block;
if( verbose ) printf( "Odd/even");
//Tcl_SetVar(interp, "tbuf", val, TCL_GLOBAL_ONLY);
//Tcl_Eval(interp, ".text delete 2");
//Tcl_Eval(interp, ".text insert 2 $tbuf");
for (i_img=0; i_img<n_img; i_img++)
{
oddeven (img_name[i_img], img[i_img], img[i_img], sup, 0, chfield, i_img);
if (display) {
#if 0
img_handle = Tk_FindPhoto( interp, "temp");
Tk_PhotoGetImage (img_handle, &img_block);
tclimg2cimg (interp, img[i_img], &img_block);
sprintf(val, "newimage %d", i_img+1);
Tcl_GlobalEval(interp, val);
#endif
}
}
if(verbose) printf( "...done\n");
//Tcl_SetVar(interp, "tbuf", val, TCL_GLOBAL_ONLY);
//Tcl_Eval(interp, ".text delete 3");
//Tcl_Eval(interp, ".text insert 3 $tbuf");
return TCL_OK;
}
static int
PyImagingPhotoPut(ClientData clientdata, Tcl_Interp* interp,
int argc, char **argv)
{
Imaging im;
Tk_PhotoHandle photo;
Tk_PhotoImageBlock block;
if (argc != 3) {
Tcl_AppendResult(interp, "usage: ", argv[0],
" destPhoto srcImage", (char *) NULL);
return TCL_ERROR;
}
/* get Tcl PhotoImage handle */
photo = Tk_FindPhoto(interp, argv[1]);
if (photo == NULL) {
Tcl_AppendResult(
interp, "destination photo must exist", (char *) NULL
);
return TCL_ERROR;
}
/* get PIL Image handle */
im = ImagingFind(argv[2]);
if (!im) {
Tcl_AppendResult(interp, "bad name", (char*) NULL);
return TCL_ERROR;
}
if (!im->block) {
Tcl_AppendResult(interp, "bad display memory", (char*) NULL);
return TCL_ERROR;
}
/* Active region */
#if 0
if (src_xoffset + xsize > im->xsize)
xsize = im->xsize - src_xoffset;
if (src_yoffset + ysize > im->ysize)
ysize = im->ysize - src_yoffset;
if (xsize < 0 || ysize < 0
|| src_xoffset >= im->xsize
|| src_yoffset >= im->ysize)
return TCL_OK;
#endif
/* Mode */
if (strcmp(im->mode, "1") == 0 || strcmp(im->mode, "L") == 0) {
block.pixelSize = 1;
block.offset[0] = block.offset[1] = block.offset[2] = 0;
} else if (strncmp(im->mode, "RGB", 3) == 0) {
block.pixelSize = 4;
block.offset[0] = 0;
block.offset[1] = 1;
block.offset[2] = 2;
if (strcmp(im->mode, "RGBA") == 0)
block.offset[3] = 3; /* alpha (or reserved, under 8.2) */
else
block.offset[3] = 0; /* no alpha */
} else {
Tcl_AppendResult(interp, "Bad mode", (char*) NULL);
return TCL_ERROR;
}
block.width = im->xsize;
block.height = im->ysize;
block.pitch = im->linesize;
block.pixelPtr = (unsigned char*) im->block;
#if 0
block.pixelPtr = (unsigned char*) im->block +
src_yoffset * im->linesize +
src_xoffset * im->pixelsize;
#endif
#if TK < 84 /* < 8.4.0 */
if (strcmp(im->mode, "RGBA") == 0) {
/* Copy non-transparent pixels to photo image */
int x, y;
Tk_PhotoImageBlock run;
/* Clear current contents */
Tk_PhotoBlank(photo);
/* Setup run descriptor */
run.height = 1;
run.pitch = block.pitch;
run.pixelSize = block.pixelSize;
run.offset[0] = 0;
run.offset[1] = 1;
run.offset[2] = 2;
run.offset[3] = 0; /* no alpha (or reserved, under 8.2) */
/* Copy opaque runs to photo image */
for (y = 0; y < block.height; y++) {
unsigned char* p = block.pixelPtr + y*block.pitch;
unsigned char* s = p;
int w = 0;
for (x = 0; x < block.width; x++) {
if (p[3]) {
/* opaque: add pixel to current run */
if (w == 0)
s = p;
w = w + 1;
} else if (s) {
/* copy run to photo image */
if (w > 0) {
run.width = w;
run.pixelPtr = s;
Tk_PhotoPutBlock(photo, &run, x-w, y, run.width, 1);
}
w = 0;
}
p += block.pixelSize;
}
if (w > 0) {
/* copy final run, if any */
run.width = w;
run.pixelPtr = s;
Tk_PhotoPutBlock(photo, &run, x-w, y, run.width, 1);
}
}
} else
/* Copy opaque block to photo image, and leave the rest to TK */
Tk_PhotoPutBlock(photo, &block, 0, 0, block.width, block.height);
#else /* Tk 8.4 and newer */
#if TK < 85 /* Tk 8.4 */
Tk_PhotoPutBlock(photo, &block, 0, 0, block.width, block.height,
TK_PHOTO_COMPOSITE_SET);
if (strcmp(im->mode, "RGBA") == 0)
/* Tk workaround: we need apply ToggleComplexAlphaIfNeeded */
/* (fixed in Tk 8.5a3) */
Tk_PhotoSetSize(photo, block.width, block.height);
#else /* Tk 8.5 */
Tk_PhotoPutBlock(interp, photo, &block, 0, 0, block.width, block.height,
TK_PHOTO_COMPOSITE_SET);
#endif
#endif
return TCL_OK;
}
int flow_demo_c (ClientData clientData, Tcl_Interp* interp, int argc, const char** argv)
{
int i, i_seq, nr, j,pft_version=3,num_points,dumy;
char name[128];
unsigned char *imgf;
Tk_PhotoHandle img_handle;
Tk_PhotoImageBlock img_block;
nr = atoi(argv[1]);
fpp = fopen_r ("parameters/sequence.par");
for (i=0; i<4; i++)
fscanf (fpp, "%s\n", seq_name[i]); /* name of sequence */
fscanf (fpp,"%d\n", &seq_first);
fscanf (fpp,"%d\n", &seq_last);
fclose (fpp);
/* allocate memory */
imgf = (unsigned char *) calloc (imgsize, 1);
fpp = fopen ("parameters/pft_version.par", "r");
if (fpp){
fscanf (fpp, "%d\n", &pft_version);
pft_version=pft_version+3;
fclose (fpp);
}
else{
fpp = fopen ("parameters/pft_version.par", "w");
fprintf(fpp,"%d\n", 0);
fclose(fpp);
}
/* load and display images */
for (i_seq=seq_first; i_seq<=seq_last; i_seq++){
compose_name_plus_nr (seq_name[nr], "", i_seq, name);
fp1 = fopen_r (name); if (! fp1) return TCL_OK;
sprintf (buf, "display camera %d, image %d", nr+1, i_seq);
Tcl_SetVar(interp, "tbuf", buf, TCL_GLOBAL_ONLY);
Tcl_Eval(interp, ".text delete 2");
Tcl_Eval(interp, ".text insert 2 $tbuf");
read_image (interp, name, imgf);
fclose (fp1);
img_handle = Tk_FindPhoto( interp, "temp");
Tk_PhotoGetImage (img_handle, &img_block);
sprintf(buf, "newimage %d", nr+1);
Tcl_Eval(interp, buf);
if(pft_version==4){
sprintf (filename, "%s%s", name,"_targets");
/* read targets of camera nr*/
nt4[3][nr]=0;
fp1= fopen (filename, "r");
if (! fp1) printf("Can't open ascii file: %s\n", filename);
fscanf (fp1, "%d\n", &nt4[3][nr]);
for (j=0; j<nt4[3][nr]; j++){
fscanf (fp1, "%4d %lf %lf %d %d %d %d %d\n",
&pix[nr][j].pnr, &pix[nr][j].x,
&pix[nr][j].y, &pix[nr][j].n ,
&pix[nr][j].nx ,&pix[nr][j].ny,
&pix[nr][j].sumg, &pix[nr][j].tnr);
}
fclose (fp1);
num[nr] = nt4[3][nr];
if (display){
for (j=0; j<num[nr]; j++){
drawcross (interp, (int) pix[nr][j].x, (int) pix[nr][j].y,cr_sz, nr, "blue");
}
printf ("drawing %d 2d ", num[nr]);
}
sprintf (filename, "res/rt_is.%d", i_seq);
fp1= fopen (filename, "r");
if (fp1){
fscanf (fp1, "%d\n", &num_points);
for (j=0; j<num_points; j++){
if (n_img==4){
fscanf(fp1, "%d %lf %lf %lf %d %d %d %d\n",
&dumy, &fix[j].x, &fix[j].y, &fix[j].z,
&geo[0][j].pnr, &geo[1][j].pnr, &geo[2][j].pnr, &geo[3][j].pnr);
}
if (n_img==3){
fscanf(fp1, "%d %lf %lf %lf %d %d %d %d\n",
&dumy, &fix[j].x, &fix[j].y, &fix[j].z,
&geo[0][j].pnr, &geo[1][j].pnr, &geo[2][j].pnr);
}
if (n_img==2){ // Alex's patch. 24.09.09. Working on Wesleyan data of 2 cameras only
fscanf(fp1, "%d %lf %lf %lf %d %d %d %d\n",
&dumy, &fix[j].x, &fix[j].y, &fix[j].z,
&geo[0][j].pnr, &geo[1][j].pnr);
}
}
fclose (fp1);
if (display){
for (j=0; j<num_points; j++){
img_coord (fix[j].x,fix[j].y,fix[j].z, Ex[nr], I[nr], G[nr], ap[nr], mmp, &pix[nr][j].x,&pix[nr][j].y);
metric_to_pixel (pix[nr][j].x,pix[nr][j].y, imx,imy, pix_x,pix_y, &pix[nr][j].x,&pix[nr][j].y, chfield);
//if(geo[nr][j].pnr>-1){
// drawcross (interp, (int) pix[nr][geo[nr][j].pnr].x, (int) pix[nr][geo[nr][j].pnr].y,cr_sz, nr, "yellow");
//}
drawcross (interp, (int) pix[nr][j].x, (int) pix[nr][j].y,cr_sz, nr, "red");
}
printf ("and %d corresponding 3d positions for frame %d\n", num_points,i_seq);
}
}
}
Tcl_Eval(interp, "update idletasks");
}
printf ("done\n\n");
free (imgf);
return TCL_OK;
}
static int
PyAggImagePhoto(ClientData clientdata, Tcl_Interp* interp,
int argc, char **argv)
{
Tk_PhotoHandle photo;
Tk_PhotoImageBlock block;
PyObject* aggo;
// vars for blitting
PyObject* bboxo;
unsigned long aggl, bboxl;
bool has_bbox;
agg::int8u *destbuffer;
double l, b, r, t;
int destx, desty, destwidth, destheight, deststride;
//unsigned long tmp_ptr;
long mode;
long nval;
if (Tk_MainWindow(interp) == NULL)
{
// Will throw a _tkinter.TclError with "this isn't a Tk application"
return TCL_ERROR;
}
if (argc != 5)
{
Tcl_AppendResult(interp, "usage: ", argv[0],
" destPhoto srcImage", (char *) NULL);
return TCL_ERROR;
}
/* get Tcl PhotoImage handle */
photo = Tk_FindPhoto(interp, argv[1]);
if (photo == NULL)
{
Tcl_AppendResult(interp, "destination photo must exist", (char *) NULL);
return TCL_ERROR;
}
/* get array (or object that can be converted to array) pointer */
if (sscanf(argv[2], "%lu", &aggl) != 1)
{
Tcl_AppendResult(interp, "error casting pointer", (char *) NULL);
return TCL_ERROR;
}
aggo = (PyObject*)aggl;
//aggo = (PyObject*)atol(argv[2]);
//std::stringstream agg_ptr_ss;
//agg_ptr_ss.str(argv[2]);
//agg_ptr_ss >> tmp_ptr;
//aggo = (PyObject*)tmp_ptr;
RendererAgg *aggRenderer = (RendererAgg *)aggo;
int srcheight = (int)aggRenderer->get_height();
/* XXX insert aggRenderer type check */
/* get array mode (0=mono, 1=rgb, 2=rgba) */
mode = atol(argv[3]);
if ((mode != 0) && (mode != 1) && (mode != 2))
{
Tcl_AppendResult(interp, "illegal image mode", (char *) NULL);
return TCL_ERROR;
}
/* check for bbox/blitting */
if (sscanf(argv[4], "%lu", &bboxl) != 1)
{
Tcl_AppendResult(interp, "error casting pointer", (char *) NULL);
return TCL_ERROR;
}
bboxo = (PyObject*)bboxl;
//bboxo = (PyObject*)atol(argv[4]);
//std::stringstream bbox_ptr_ss;
//bbox_ptr_ss.str(argv[4]);
//bbox_ptr_ss >> tmp_ptr;
//bboxo = (PyObject*)tmp_ptr;
if (py_convert_bbox(bboxo, l, b, r, t))
{
has_bbox = true;
destx = (int)l;
desty = srcheight - (int)t;
destwidth = (int)(r - l);
destheight = (int)(t - b);
deststride = 4 * destwidth;
destbuffer = new agg::int8u[deststride*destheight];
if (destbuffer == NULL)
{
throw Py::MemoryError("_tkagg could not allocate memory for destbuffer");
}
agg::rendering_buffer destrbuf;
destrbuf.attach(destbuffer, destwidth, destheight, deststride);
pixfmt destpf(destrbuf);
renderer_base destrb(destpf);
agg::rect_base<int> region(destx, desty, (int)r, srcheight - (int)b);
destrb.copy_from(aggRenderer->renderingBuffer, ®ion,
-destx, -desty);
}
else
{
has_bbox = false;
destbuffer = NULL;
destx = desty = destwidth = destheight = deststride = 0;
}
/* setup tkblock */
block.pixelSize = 1;
if (mode == 0)
{
block.offset[0] = block.offset[1] = block.offset[2] = 0;
nval = 1;
}
else
{
block.offset[0] = 0;
block.offset[1] = 1;
block.offset[2] = 2;
if (mode == 1)
{
block.offset[3] = 0;
block.pixelSize = 3;
nval = 3;
}
else
{
block.offset[3] = 3;
block.pixelSize = 4;
nval = 4;
}
}
if (has_bbox)
{
block.width = destwidth;
block.height = destheight;
block.pitch = deststride;
block.pixelPtr = destbuffer;
Tk_PhotoPutBlock(photo, &block, destx, desty, destwidth, destheight);
delete [] destbuffer;
}
else
{
block.width = aggRenderer->get_width();
block.height = aggRenderer->get_height();
block.pitch = block.width * nval;
block.pixelPtr = aggRenderer->pixBuffer;
/* Clear current contents */
Tk_PhotoBlank(photo);
/* Copy opaque block to photo image, and leave the rest to TK */
Tk_PhotoPutBlock(photo, &block, 0, 0, block.width, block.height);
}
return TCL_OK;
}
Tk_Image
HtmlImageImage(HtmlImage2 *pImage)
{
assert(pImage && (pImage->isValid == 1 || pImage->isValid == 0));
if (!pImage->isValid) {
/* pImage->image is invalid. This happens if the underlying Tk
* image, or the image that this is a scaled copy of, is changed
* or deleted. It also happens the first time this function is
* called after a call to HtmlImageScale().
*/
Tk_PhotoHandle photo;
Tk_PhotoImageBlock block;
Tcl_Interp *interp = pImage->pImageServer->pTree->interp;
HtmlImage2 *pUnscaled = pImage->pUnscaled;
if (pUnscaled->pixmap) {
Tcl_Obj *apObj[4];
int rc;
/*printf("TODO: BAD. Have to recreate image to make scaled copy.\n");*/
apObj[0] = pUnscaled->pImageName;
apObj[1] = Tcl_NewStringObj("configure", -1);
apObj[2] = Tcl_NewStringObj("-data", -1);
apObj[3] = pUnscaled->pCompressed;
Tcl_IncrRefCount(apObj[1]);
Tcl_IncrRefCount(apObj[2]);
Tcl_IncrRefCount(apObj[3]);
pUnscaled->nIgnoreChange++;
rc = Tcl_EvalObjv(interp, 4, apObj, TCL_EVAL_GLOBAL);
pUnscaled->nIgnoreChange--;
assert(rc==TCL_OK);
Tcl_IncrRefCount(apObj[3]);
Tcl_DecrRefCount(apObj[2]);
Tcl_DecrRefCount(apObj[1]);
}
assert(pUnscaled);
if (!pImage->pImageName) {
/* If pImageName is still NULL, then create a new photo
* image to write the scaled data to. Todo: Is it possible
* to do this without invoking a script, creating the Tcl
* command etc.?
*/
Tk_Window win = pImage->pImageServer->pTree->tkwin;
Tcl_Interp *interp = pImage->pImageServer->pTree->interp;
const char *z;
Tcl_Eval(interp, "image create photo");
pImage->pImageName = Tcl_GetObjResult(interp);
Tcl_IncrRefCount(pImage->pImageName);
assert(0 == pImage->pDelete);
assert(0 == pImage->image);
z = Tcl_GetString(pImage->pImageName);
pImage->image = Tk_GetImage(interp, win, z, imageChanged, pImage);
}
assert(pImage->image);
CHECK_INTEGER_PLAUSIBILITY(pImage->width);
CHECK_INTEGER_PLAUSIBILITY(pImage->height);
CHECK_INTEGER_PLAUSIBILITY(pUnscaled->width);
CHECK_INTEGER_PLAUSIBILITY(pUnscaled->height);
/* Write the scaled data into image pImage->image */
photo = Tk_FindPhoto(interp, Tcl_GetString(pUnscaled->pImageName));
if (photo) {
Tk_PhotoGetImage(photo, &block);
}
if (photo && block.pixelPtr) {
int x, y; /* Iterator variables */
int w, h; /* Width and height of unscaled image */
int sw, sh; /* Width and height of scaled image */
Tk_PhotoHandle s_photo;
Tk_PhotoImageBlock s_block;
sw = pImage->width;
sh = pImage->height;
w = pUnscaled->width;
h = pUnscaled->height;
s_photo = Tk_FindPhoto(interp, Tcl_GetString(pImage->pImageName));
s_block.pixelPtr = (unsigned char *)HtmlAlloc("temp", sw * sh * 4);
s_block.width = sw;
s_block.height = sh;
s_block.pitch = sw * 4;
s_block.pixelSize = 4;
s_block.offset[0] = 0;
s_block.offset[1] = 1;
s_block.offset[2] = 2;
s_block.offset[3] = 3;
for (x=0; x<sw; x++) {
int orig_x = ((x * w) / sw);
for (y=0; y<sh; y++) {
unsigned char *zOrig;
unsigned char *zScale;
int orig_y = ((y * h) / sh);
zOrig = &block.pixelPtr[
orig_x * block.pixelSize + orig_y * block.pitch];
zScale = &s_block.pixelPtr[
x * s_block.pixelSize + y * s_block.pitch];
zScale[0] = zOrig[block.offset[0]];
zScale[1] = zOrig[block.offset[1]];
zScale[2] = zOrig[block.offset[2]];
zScale[3] = zOrig[block.offset[3]];
}
}
photoputblock(interp, s_photo, &s_block, 0, 0, sw, sh, 0);
HtmlFree(s_block.pixelPtr);
} else {
return HtmlImageImage(pImage->pUnscaled);
}
pImage->isValid = 1;
if (pUnscaled->pixmap) {
Tcl_Obj *apObj[4];
apObj[0] = Tcl_NewStringObj("image", -1);
apObj[1] = Tcl_NewStringObj("create", -1);
apObj[2] = Tcl_NewStringObj("photo", -1);
apObj[3] = pUnscaled->pImageName;
Tcl_IncrRefCount(apObj[0]);
Tcl_IncrRefCount(apObj[1]);
Tcl_IncrRefCount(apObj[2]);
pUnscaled->nIgnoreChange++;
Tcl_EvalObjv(interp, 4, apObj, TCL_EVAL_GLOBAL);
pUnscaled->nIgnoreChange--;
Tcl_DecrRefCount(apObj[2]);
Tcl_DecrRefCount(apObj[1]);
Tcl_IncrRefCount(apObj[0]);
}
}
return pImage->image;
}
Tcl_Obj *HtmlXImageToImage(
HtmlTree *pTree,
XImage *pXImage,
int w,
int h
)
{
Tcl_Interp *interp = pTree->interp;
Tcl_Obj *pImage;
Tk_PhotoHandle photo;
Tk_PhotoImageBlock block;
int x;
int y;
unsigned long redmask, redshift;
unsigned long greenmask, greenshift;
unsigned long bluemask, blueshift;
Visual *pVisual;
Tcl_Eval(interp, "image create photo");
pImage = Tcl_GetObjResult(interp);
Tcl_IncrRefCount(pImage);
block.pixelPtr = (unsigned char *)HtmlAlloc("temp", w * h * 4);
block.width = w;
block.height = h;
block.pitch = w*4;
block.pixelSize = 4;
block.offset[0] = 0;
block.offset[1] = 1;
block.offset[2] = 2;
block.offset[3] = 3;
pVisual = Tk_Visual(pTree->tkwin);
redmask = pVisual->red_mask;
bluemask = pVisual->blue_mask;
greenmask = pVisual->green_mask;
for (redshift=0; !((redmask>>redshift)&0x000000001); redshift++);
for (greenshift=0; !((greenmask>>greenshift)&0x00000001); greenshift++);
for (blueshift=0; !((bluemask>>blueshift)&0x00000001); blueshift++);
for (x=0; x<w; x++) {
for (y=0; y<h; y++) {
unsigned char *pOut;
unsigned long pixel = XGetPixel(pXImage, x, y);
pOut = &block.pixelPtr[x*block.pixelSize + y*block.pitch];
pOut[0] = (pixel&redmask)>>redshift;
pOut[1] = (pixel&greenmask)>>greenshift;
pOut[2] = (pixel&bluemask)>>blueshift;
pOut[3] = 0xFF;
}
}
photo = Tk_FindPhoto(interp, Tcl_GetString(pImage));
photoputblock(interp, photo, &block, 0, 0, w, h, 0);
HtmlFree(block.pixelPtr);
return pImage;
}
/*
*---------------------------------------------------------------------------
*
* HtmlImageTile --
*
* Results:
*
* Side effects:
* None.
*
*---------------------------------------------------------------------------
*/
Tk_Image
HtmlImageTile(
HtmlImage2 *pImage, /* Image object */
int *pW,
int *pH
)
{
HtmlTree *pTree = pImage->pImageServer->pTree;
Tcl_Interp *interp = pTree->interp;
Tcl_Obj *pTileName; /* Name of tile image at the script level */
Tk_PhotoHandle tilephoto; /* Photo of tile */
Tk_PhotoImageBlock tileblock; /* Block of tile image */
int iTileWidth;
int iTileHeight;
Tk_PhotoHandle origphoto;
Tk_PhotoImageBlock origblock;
int x;
int y;
/* The tile has already been generated. Return it. */
if (pImage->pTileName) {
goto return_tile;
}
/* The image is too big to bother with a tile. Return the original. */
if (!tilesize(pImage, &iTileWidth, &iTileHeight)) {
goto return_original;
}
/* Retrieve the block for the original image */
origphoto = Tk_FindPhoto(interp, Tcl_GetString(pImage->pImageName));
if (!origphoto) goto return_original;
Tk_PhotoGetImage(origphoto, &origblock);
if (!origblock.pixelPtr) goto return_original;
/* Create the tile image. Surely there is a way to do this without
* invoking a script, but I haven't found it yet.
*/
Tcl_Eval(interp, "image create photo");
pTileName = Tcl_GetObjResult(interp);
Tcl_IncrRefCount(pTileName);
tilephoto = Tk_FindPhoto(interp, Tcl_GetString(pTileName));
Tk_PhotoGetImage(tilephoto, &tileblock);
pImage->pTileName = pTileName;
pImage->tile = Tk_GetImage(
interp, pTree->tkwin, Tcl_GetString(pTileName), imageChanged, 0
);
/* Allocate a block to write the tile data into. */
tileblock.pixelPtr = (unsigned char *)HtmlAlloc(
"temp", iTileWidth * iTileHeight * 4
);
tileblock.width = iTileWidth;
tileblock.height = iTileHeight;
tileblock.pitch = iTileWidth * 4;
tileblock.pixelSize = 4;
tileblock.offset[0] = 0;
tileblock.offset[1] = 1;
tileblock.offset[2] = 2;
tileblock.offset[3] = 3;
for (x = 0; x < iTileWidth; x++) {
for (y = 0; y < iTileHeight; y++) {
unsigned char *zOrig;
unsigned char *zScale;
zOrig = &origblock.pixelPtr[
(x % pImage->width) *origblock.pixelSize +
(y % pImage->height) * origblock.pitch
];
zScale = &tileblock.pixelPtr[x * 4 + y * tileblock.pitch];
zScale[0] = zOrig[origblock.offset[0]];
zScale[1] = zOrig[origblock.offset[1]];
zScale[2] = zOrig[origblock.offset[2]];
zScale[3] = zOrig[origblock.offset[3]];
}
}
photoputblock(interp,tilephoto,&tileblock,0,0,iTileWidth,iTileHeight,0);
HtmlFree(tileblock.pixelPtr);
pImage->iTileWidth = iTileWidth;
pImage->iTileHeight = iTileHeight;
return_tile:
*pW = pImage->iTileWidth;
*pH = pImage->iTileHeight;
return pImage->tile;
return_original:
HtmlImageSize(pImage, pW, pH);
return HtmlImageImage(pImage);
}
static int PyAggImagePhoto(ClientData clientdata, Tcl_Interp *interp, int argc, char **argv)
{
Tk_PhotoHandle photo;
Tk_PhotoImageBlock block;
PyObject *aggo;
// vars for blitting
PyObject *bboxo;
size_t aggl, bboxl;
bool has_bbox;
agg::int8u *destbuffer;
int destx, desty, destwidth, destheight, deststride;
//unsigned long tmp_ptr;
long mode;
long nval;
if (Tk_MainWindow(interp) == NULL) {
// Will throw a _tkinter.TclError with "this isn't a Tk application"
return TCL_ERROR;
}
if (argc != 5) {
Tcl_AppendResult(interp, "usage: ", argv[0], " destPhoto srcImage", (char *)NULL);
return TCL_ERROR;
}
/* get Tcl PhotoImage handle */
photo = Tk_FindPhoto(interp, argv[1]);
if (photo == NULL) {
Tcl_AppendResult(interp, "destination photo must exist", (char *)NULL);
return TCL_ERROR;
}
/* get array (or object that can be converted to array) pointer */
if (sscanf(argv[2], SIZE_T_FORMAT, &aggl) != 1) {
Tcl_AppendResult(interp, "error casting pointer", (char *)NULL);
return TCL_ERROR;
}
aggo = (PyObject *)aggl;
// TODO: This is really brittle and will break when RendererAgg
// comes in multiple flavors
RendererAgg *aggRenderer = ((PyRendererAgg *)(aggo))->x;
int srcheight = (int)aggRenderer->get_height();
/* XXX insert aggRenderer type check */
/* get array mode (0=mono, 1=rgb, 2=rgba) */
mode = atol(argv[3]);
if ((mode != 0) && (mode != 1) && (mode != 2)) {
Tcl_AppendResult(interp, "illegal image mode", (char *)NULL);
return TCL_ERROR;
}
/* check for bbox/blitting */
if (sscanf(argv[4], SIZE_T_FORMAT, &bboxl) != 1) {
Tcl_AppendResult(interp, "error casting pointer", (char *)NULL);
return TCL_ERROR;
}
bboxo = (PyObject *)bboxl;
if (bboxo != NULL && bboxo != Py_None) {
agg::rect_d rect;
if (!convert_rect(bboxo, &rect)) {
return TCL_ERROR;
}
has_bbox = true;
destx = (int)rect.x1;
desty = srcheight - (int)rect.y2;
destwidth = (int)(rect.x2 - rect.x1);
destheight = (int)(rect.y2 - rect.y1);
deststride = 4 * destwidth;
destbuffer = new agg::int8u[deststride * destheight];
if (destbuffer == NULL) {
Tcl_AppendResult(interp, "could not allocate memory", (char *)NULL);
return TCL_ERROR;
}
agg::rendering_buffer destrbuf;
destrbuf.attach(destbuffer, destwidth, destheight, deststride);
pixfmt destpf(destrbuf);
renderer_base destrb(destpf);
agg::rect_base<int> region(destx, desty, (int)rect.x2, srcheight - (int)rect.y1);
destrb.copy_from(aggRenderer->renderingBuffer, ®ion, -destx, -desty);
} else {
has_bbox = false;
destbuffer = NULL;
destx = desty = destwidth = destheight = deststride = 0;
}
/* setup tkblock */
block.pixelSize = 1;
if (mode == 0) {
block.offset[0] = block.offset[1] = block.offset[2] = 0;
nval = 1;
} else {
block.offset[0] = 0;
block.offset[1] = 1;
block.offset[2] = 2;
if (mode == 1) {
block.offset[3] = 0;
block.pixelSize = 3;
nval = 3;
} else {
block.offset[3] = 3;
block.pixelSize = 4;
nval = 4;
}
}
if (has_bbox) {
block.width = destwidth;
block.height = destheight;
block.pitch = deststride;
block.pixelPtr = destbuffer;
Tk_PhotoPutBlock(photo, &block, destx, desty, destwidth, destheight);
delete[] destbuffer;
} else {
block.width = aggRenderer->get_width();
block.height = aggRenderer->get_height();
block.pitch = (int)block.width * nval;
block.pixelPtr = aggRenderer->pixBuffer;
/* Clear current contents */
Tk_PhotoBlank(photo);
/* Copy opaque block to photo image, and leave the rest to TK */
Tk_PhotoPutBlock(photo, &block, 0, 0, block.width, block.height);
}
return TCL_OK;
}
static int
PyAggImagePhoto(ClientData clientdata, Tcl_Interp* interp,
int argc, char **argv)
{
Tk_PhotoHandle photo;
Tk_PhotoImageBlock block;
PyObject* aggo;
// vars for blitting
PyObject* bboxo;
Bbox* bbox;
agg::int8u *destbuffer;
double l,b,r,t;
int destx, desty, destwidth, destheight, deststride;
long mode;
long nval;
if (argc != 5) {
Tcl_AppendResult(interp, "usage: ", argv[0],
" destPhoto srcImage", (char *) NULL);
return TCL_ERROR;
}
/* get Tcl PhotoImage handle */
photo = Tk_FindPhoto(interp, argv[1]);
if (photo == NULL) {
Tcl_AppendResult(interp, "destination photo must exist", (char *) NULL);
return TCL_ERROR;
}
/* get array (or object that can be converted to array) pointer */
aggo = (PyObject*)atol(argv[2]);
RendererAgg *aggRenderer = (RendererAgg *)aggo;
int srcheight = (int)aggRenderer->get_height();
/* XXX insert aggRenderer type check */
/* get array mode (0=mono, 1=rgb, 2=rgba) */
mode = atol(argv[3]);
if ((mode != 0) && (mode != 1) && (mode != 2)) {
Tcl_AppendResult(interp, "illegal image mode", (char *) NULL);
return TCL_ERROR;
}
/* check for bbox/blitting */
bboxo = (PyObject*)atol(argv[4]);
if (bboxo != Py_None) {
bbox = (Bbox*)bboxo;
l = bbox->ll_api()->x_api()->val();
b = bbox->ll_api()->y_api()->val();
r = bbox->ur_api()->x_api()->val();
t = bbox->ur_api()->y_api()->val();
destx = (int)l;
desty = srcheight-(int)t;
destwidth = (int)(r-l);
destheight = (int)(t-b);
deststride = 4*destwidth;
destbuffer = new agg::int8u[deststride*destheight];
if (destbuffer == NULL) {
throw Py::MemoryError("_tkagg could not allocate memory for destbuffer");
}
agg::rendering_buffer destrbuf;
destrbuf.attach(destbuffer, destwidth, destheight, deststride);
pixfmt destpf(destrbuf);
renderer_base destrb(destpf);
agg::rect_base<int> region(destx, desty, (int)r, srcheight-(int)b);
destrb.copy_from(*aggRenderer->renderingBuffer, ®ion,
-destx, -desty);
} else {
bbox = NULL;
destbuffer = NULL;
destx = desty = destwidth = destheight = deststride = 0;
}
/* setup tkblock */
block.pixelSize = 1;
if (mode == 0) {
block.offset[0]= block.offset[1] = block.offset[2] =0;
nval = 1;
} else {
block.offset[0] = 0;
block.offset[1] = 1;
block.offset[2] = 2;
if (mode == 1) {
block.offset[3] = 0;
block.pixelSize = 3;
nval = 3;
} else {
block.offset[3] = 3;
block.pixelSize = 4;
nval = 4;
}
}
if (bbox) {
block.width = destwidth;
block.height = destheight;
block.pitch = deststride;
block.pixelPtr = destbuffer;
Tk_PhotoPutBlock(photo, &block, destx, desty, destwidth, destheight);
delete [] destbuffer;
} else {
block.width = aggRenderer->get_width();
block.height = aggRenderer->get_height();
block.pitch = block.width * nval;
block.pixelPtr = aggRenderer->pixBuffer;
/* Clear current contents */
Tk_PhotoBlank(photo);
/* Copy opaque block to photo image, and leave the rest to TK */
Tk_PhotoPutBlock(photo, &block, 0, 0, block.width, block.height);
}
return TCL_OK;
}
static int
PyImagingPhotoPut(ClientData clientdata, Tcl_Interp* interp,
int argc, char **argv)
{
Imaging im;
Tk_PhotoHandle photo;
Tk_PhotoImageBlock block;
if (argc != 3) {
Tcl_AppendResult(interp, "usage: ", argv[0],
" destPhoto srcImage", (char *) NULL);
return TCL_ERROR;
}
/* get Tcl PhotoImage handle */
photo = Tk_FindPhoto(interp, argv[1]);
if (photo == NULL) {
Tcl_AppendResult(
interp, "destination photo must exist", (char *) NULL
);
return TCL_ERROR;
}
/* get PIL Image handle */
im = ImagingFind(argv[2]);
if (!im) {
Tcl_AppendResult(interp, "bad name", (char*) NULL);
return TCL_ERROR;
}
if (!im->block) {
Tcl_AppendResult(interp, "bad display memory", (char*) NULL);
return TCL_ERROR;
}
/* Active region */
#if 0
if (src_xoffset + xsize > im->xsize)
xsize = im->xsize - src_xoffset;
if (src_yoffset + ysize > im->ysize)
ysize = im->ysize - src_yoffset;
if (xsize < 0 || ysize < 0
|| src_xoffset >= im->xsize
|| src_yoffset >= im->ysize)
return TCL_OK;
#endif
/* Mode */
if (strcmp(im->mode, "1") == 0 || strcmp(im->mode, "L") == 0) {
block.pixelSize = 1;
block.offset[0] = block.offset[1] = block.offset[2] = 0;
} else if (strncmp(im->mode, "RGB", 3) == 0) {
block.pixelSize = 4;
block.offset[0] = 0;
block.offset[1] = 1;
block.offset[2] = 2;
if (strcmp(im->mode, "RGBA") == 0)
block.offset[3] = 3; /* alpha (or reserved, under 8.2) */
else
block.offset[3] = 0; /* no alpha */
} else {
Tcl_AppendResult(interp, "Bad mode", (char*) NULL);
return TCL_ERROR;
}
block.width = im->xsize;
block.height = im->ysize;
block.pitch = im->linesize;
block.pixelPtr = (unsigned char*) im->block;
#if 0
block.pixelPtr = (unsigned char*) im->block +
src_yoffset * im->linesize +
src_xoffset * im->pixelsize;
#endif
#if TK < 85 /* Tk 8.4 */
Tk_PhotoPutBlock(photo, &block, 0, 0, block.width, block.height,
TK_PHOTO_COMPOSITE_SET);
if (strcmp(im->mode, "RGBA") == 0)
/* Tk workaround: we need apply ToggleComplexAlphaIfNeeded */
/* (fixed in Tk 8.5a3) */
Tk_PhotoSetSize(photo, block.width, block.height);
#else /* Tk 8.5 */
Tk_PhotoPutBlock(interp, photo, &block, 0, 0, block.width, block.height,
TK_PHOTO_COMPOSITE_SET);
#endif
return TCL_OK;
}