Py::Object agg_to_gtk_drawable(const Py::Tuple &args) {
args.verify_length(2);
PyGObject *py_drawable = (PyGObject *)(args[0].ptr());
RendererAgg* aggRenderer = static_cast<RendererAgg*>(args[1].ptr());
GdkDrawable *drawable = GDK_DRAWABLE(py_drawable->obj);
GdkGC* gc = gdk_gc_new(drawable);
unsigned int width = aggRenderer->get_width();
unsigned int height = aggRenderer->get_height();
gdk_draw_rgb_32_image(drawable, gc, 0, 0,
width,
height,
GDK_RGB_DITHER_NORMAL,
aggRenderer->pixBuffer,
width*4);
return Py::Object();
}
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;
}
Py::Object agg_to_gtk_drawable(const Py::Tuple &args)
{
// args are gc, renderer, bbox where bbox is a transforms BBox
// (possibly None). If bbox is None, blit the entire agg buffer
// to gtk. If bbox is not None, blit only the region defined by
// the bbox
args.verify_length(3);
PyGObject *py_drawable = (PyGObject *)(args[0].ptr());
RendererAgg* aggRenderer = static_cast<RendererAgg*>(args[1].ptr());
GdkDrawable *drawable = GDK_DRAWABLE(py_drawable->obj);
GdkGC* gc = gdk_gc_new(drawable);
int srcstride = aggRenderer->get_width() * 4;
int srcwidth = (int)aggRenderer->get_width();
int srcheight = (int)aggRenderer->get_height();
// these three will be overridden below
int destx = 0;
int desty = 0;
int destwidth = 1;
int destheight = 1;
int deststride = 1;
bool needfree = false;
agg::int8u *destbuffer = NULL;
if (args[2].ptr() == Py_None)
{
//bbox is None; copy the entire image
destbuffer = aggRenderer->pixBuffer;
destwidth = srcwidth;
destheight = srcheight;
deststride = srcstride;
}
else
{
//bbox is not None; copy the image in the bbox
PyObject* clipbox = args[2].ptr();
double l, b, r, t;
if (!py_convert_bbox(clipbox, l, b, r, t))
{
throw Py::TypeError
("Argument 3 to agg_to_gtk_drawable must be a Bbox object.");
}
destx = (int)l;
desty = srcheight - (int)t;
destwidth = (int)(r - l);
destheight = (int)(t - b);
deststride = destwidth * 4;
needfree = true;
destbuffer = new agg::int8u[deststride*destheight];
if (destbuffer == NULL)
{
throw Py::MemoryError("_gtkagg could not allocate memory for destbuffer");
}
agg::rendering_buffer destrbuf;
destrbuf.attach(destbuffer, destwidth, destheight, deststride);
pixfmt destpf(destrbuf);
renderer_base destrb(destpf);
//destrb.clear(agg::rgba(1, 1, 1, 0));
agg::rect_base<int> region(destx, desty, (int)r, srcheight - (int)b);
destrb.copy_from(aggRenderer->renderingBuffer, ®ion,
-destx, -desty);
}
/*std::cout << desty << " "
<< destheight << " "
<< srcheight << std::endl;*/
//gdk_rgb_init();
gdk_draw_rgb_32_image(drawable, gc, destx, desty,
destwidth,
destheight,
GDK_RGB_DITHER_NORMAL,
destbuffer,
deststride);
if (needfree)
{
delete [] destbuffer;
}
return Py::Object();
}
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;
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;
}
