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 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
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;
}
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;
}
