![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
index 14a0396306c0dece2fe9fc5a68e64da35218c885..d80782d2009bb7687a11ac811f02558feeee1e7a 100644 (file)
* bulia byak
* Jasper van de Gronde <th.v.d.gronde@hccnet.nl>
*
- * Copyright (C) 2006 authors
+ * Copyright (C) 2006-2008 authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
+#include "config.h" // Needed for HAVE_OPENMP
+
#include <algorithm>
#include <cmath>
#include <complex>
-#include <glib.h>
#include <cstdlib>
+#include <glib.h>
#include <limits>
+#if HAVE_OPENMP
+#include <omp.h>
+#endif //HAVE_OPENMP
#include "2geom/isnan.h"
#include "display/nr-filter-gaussian.h"
#include "display/nr-filter-types.h"
#include "display/nr-filter-units.h"
+#include "libnr/nr-blit.h"
#include "libnr/nr-pixblock.h"
-#include "libnr/nr-matrix.h"
-#include "libnr/nr-matrix-fns.h"
+#include <2geom/matrix.h>
#include "util/fixed_point.h"
#include "preferences.h"
+#ifndef INK_UNUSED
+#define INK_UNUSED(x) ((void)(x))
+#endif
+
// IIR filtering method based on:
// L.J. van Vliet, I.T. Young, and P.W. Verbeek, Recursive Gaussian Derivative Filters,
// in: A.K. Jain, S. Venkatesh, B.C. Lovell (eds.),
static size_t const N = 3;
template<typename InIt, typename OutIt, typename Size>
-void copy_n(InIt beg_in, Size N, OutIt beg_out) {
+inline void copy_n(InIt beg_in, Size N, OutIt beg_out) {
std::copy(beg_in, beg_in+N, beg_out);
}
return round_cast<Tt>(v);
}
-namespace NR {
+namespace Inkscape {
+namespace Filters {
FilterGaussian::FilterGaussian()
{
// Compute scaled filter coefficients
std::complex<double> const d1 = pow(d1_org, 1.0/q);
double const d3 = pow(d3_org, 1.0/q);
- double const absd1sqr = std::norm(d1);
- double const re2d1 = 2*d1.real();
- double const bscale = 1.0/(absd1sqr*d3);
- b[2] = -bscale;
- b[1] = bscale*(d3+re2d1);
- b[0] = -bscale*(absd1sqr+d3*re2d1);
// Compute actual sigma^2
double const ssqr = 2*(2*(d1/sqr(d1-1.)).real()+d3/sqr(d3-1.));
if ( ssqr < sigmasqr ) {
}
s = sqrt(ssqr);
} while(qend-qbeg>(sigma/(1<<30)));
+ // Compute filter coefficients
+ double const q = (qbeg+qend)/2;
+ std::complex<double> const d1 = pow(d1_org, 1.0/q);
+ double const d3 = pow(d3_org, 1.0/q);
+ double const absd1sqr = std::norm(d1); // d1*d2 = d1*conj(d1) = |d1|^2 = std::norm(d1)
+ double const re2d1 = 2*d1.real(); // d1+d2 = d1+conj(d1) = 2*real(d1)
+ double const bscale = 1.0/(absd1sqr*d3);
+ b[2] = -bscale;
+ b[1] = bscale*(d3+re2d1);
+ b[0] = -bscale*(absd1sqr+d3*re2d1);
}
static void calcTriggsSdikaM(double const b[N], double M[N*N]) {
filter2D_IIR(PT *const dest, int const dstr1, int const dstr2,
PT const *const src, int const sstr1, int const sstr2,
int const n1, int const n2, IIRValue const b[N+1], double const M[N*N],
- IIRValue *const tmpdata)
+ IIRValue *const tmpdata[], int const num_threads)
{
+#if HAVE_OPENMP
+#pragma omp parallel for num_threads(num_threads)
+#else
+ INK_UNUSED(num_threads);
+#endif // HAVE_OPENMP
for ( int c2 = 0 ; c2 < n2 ; c2++ ) {
+#if HAVE_OPENMP
+ unsigned int tid = omp_get_thread_num();
+#else
+ unsigned int tid = 0;
+#endif // HAVE_OPENMP
// corresponding line in the source and output buffer
PT const * srcimg = src + c2*sstr2;
PT * dstimg = dest + c2*dstr2 + n1*dstr1;
for(unsigned int i=1; i<N+1; i++) {
for(unsigned int c=0; c<PC; c++) u[0][c] += u[i][c]*b[i];
}
- copy_n(u[0], PC, tmpdata+c1*PC);
+ copy_n(u[0], PC, tmpdata[tid]+c1*PC);
}
// Backward pass
IIRValue v[N+1][PC];
int c1=n1-1;
while(c1-->0) {
for(unsigned int i=N; i>0; i--) copy_n(v[i-1], PC, v[i]);
- copy_n(tmpdata+c1*PC, PC, v[0]);
+ copy_n(tmpdata[tid]+c1*PC, PC, v[0]);
for(unsigned int c=0; c<PC; c++) v[0][c] *= b[0];
for(unsigned int i=1; i<N+1; i++) {
for(unsigned int c=0; c<PC; c++) v[0][c] += v[i][c]*b[i];
static void
filter2D_FIR(PT *const dst, int const dstr1, int const dstr2,
PT const *const src, int const sstr1, int const sstr2,
- int const n1, int const n2, FIRValue const *const kernel, int const scr_len)
+ int const n1, int const n2, FIRValue const *const kernel, int const scr_len, int const num_threads)
{
// Past pixels seen (to enable in-place operation)
PT history[scr_len+1][PC];
+#if HAVE_OPENMP
+#pragma omp parallel for num_threads(num_threads) private(history)
+#else
+ INK_UNUSED(num_threads);
+#endif // HAVE_OPENMP
for ( int c2 = 0 ; c2 < n2 ; c2++ ) {
// corresponding line in the source buffer
@@ -510,43 +539,64 @@ upsample(PT *const dst, int const dstr1, int const dstr2, unsigned int const dn1
int FilterGaussian::render(FilterSlot &slot, FilterUnits const &units)
{
- /* in holds the input pixblock */
- NRPixBlock *in = slot.get(_input);
- if (!in) {
- g_warning("Missing source image for feGaussianBlur (in=%d)", _input);
- return 1;
- }
+ // TODO: Meaningful return values? (If they're checked at all.)
- Matrix trans = units.get_matrix_primitiveunits2pb();
+ /* in holds the input pixblock */
+ NRPixBlock *original_in = slot.get(_input);
/* If to either direction, the standard deviation is zero or
* input image is not defined,
* a transparent black image should be returned. */
- if (_deviation_x <= 0 || _deviation_y <= 0 || in == NULL) {
- NRPixBlock *out = new NRPixBlock;
- if (in == NULL) {
+ if (_deviation_x <= 0 || _deviation_y <= 0 || original_in == NULL) {
+ NRPixBlock *src = original_in;
+ if (src == NULL) {
+ g_warning("Missing source image for feGaussianBlur (in=%d)", _input);
// A bit guessing here, but source graphic is likely to be of
// right size
- in = slot.get(NR_FILTER_SOURCEGRAPHIC);
+ src = slot.get(NR_FILTER_SOURCEGRAPHIC);
}
- nr_pixblock_setup_fast(out, in->mode, in->area.x0, in->area.y0,
- in->area.x1, in->area.y1, true);
- if (out->data.px != NULL) {
+ NRPixBlock *out = new NRPixBlock;
+ nr_pixblock_setup_fast(out, src->mode, src->area.x0, src->area.y0,
+ src->area.x1, src->area.y1, true);
+ if (out->size != NR_PIXBLOCK_SIZE_TINY && out->data.px != NULL) {
out->empty = false;
slot.set(_output, out);
}
return 0;
}
+ // Gaussian blur is defined to operate on non-premultiplied color values.
+ // So, convert the input first it uses non-premultiplied color values.
+ // And please note that this should not be done AFTER resampling, as resampling a non-premultiplied image
+ // does not simply yield a non-premultiplied version of the resampled premultiplied image!!!
+ NRPixBlock *in = original_in;
+ if (in->mode == NR_PIXBLOCK_MODE_R8G8B8A8N) {
+ in = nr_pixblock_new_fast(NR_PIXBLOCK_MODE_R8G8B8A8P,
+ original_in->area.x0, original_in->area.y0,
+ original_in->area.x1, original_in->area.y1,
+ false);
+ if (!in) {
+ // ran out of memory
+ return 0;
+ }
+ nr_blit_pixblock_pixblock(in, original_in);
+ }
+
+ Geom::Matrix trans = units.get_matrix_primitiveunits2pb();
+
// Some common constants
int const width_org = in->area.x1-in->area.x0, height_org = in->area.y1-in->area.y0;
- double const deviation_x_org = _deviation_x * NR::expansionX(trans);
- double const deviation_y_org = _deviation_y * NR::expansionY(trans);
+ double const deviation_x_org = _deviation_x * trans.expansionX();
+ double const deviation_y_org = _deviation_y * trans.expansionY();
int const PC = NR_PIXBLOCK_BPP(in);
+#if HAVE_OPENMP
+ int const NTHREADS = std::max(1,std::min(8, Inkscape::Preferences::get()->getInt("/options/threading/numthreads", omp_get_num_procs())));
+#else
+ int const NTHREADS = 1;
+#endif // HAVE_OPENMP
// Subsampling constants
- Inkscape::Preferences *prefs = Inkscape::Preferences::get();
- int const quality = prefs->getInt("/options/blurquality/value");
+ int const quality = slot.get_blurquality();
int const x_step_l2 = _effect_subsample_step_log2(deviation_x_org, quality);
int const y_step_l2 = _effect_subsample_step_log2(deviation_y_org, quality);
int const x_step = 1<<x_step_l2;
in->area.x0/x_step+width, in->area.y0/y_step+height, true);
if (out->size != NR_PIXBLOCK_SIZE_TINY && out->data.px == NULL) {
// alas, we've accomplished a lot, but ran out of memory - so abort
+ if (in != original_in) nr_pixblock_free(in);
+ delete out;
return 0;
}
// Temporary storage for IIR filter
// NOTE: This can be eliminated, but it reduces the precision a bit
- IIRValue * tmpdata = 0;
+ IIRValue * tmpdata[NTHREADS];
+ std::fill_n(tmpdata, NTHREADS, (IIRValue*)0);
if ( use_IIR_x || use_IIR_y ) {
- tmpdata = new IIRValue[std::max(width,height)*PC];
- if (tmpdata == NULL) {
- nr_pixblock_release(out);
- delete out;
- return 0;
+ for(int i=0; i<NTHREADS; i++) {
+ tmpdata[i] = new IIRValue[std::max(width,height)*PC];
+ if (tmpdata[i] == NULL) {
+ if (in != original_in) nr_pixblock_free(in);
+ nr_pixblock_release(out);
+ while(i-->0) {
+ delete[] tmpdata[i];
+ }
+ delete out;
+ return 0;
+ }
}
}
NRPixBlock *ssin = in;
case NR_PIXBLOCK_MODE_R8G8B8: ///< 8 bit RGB
downsample<unsigned char,3>(NR_PIXBLOCK_PX(out), 3, out->rs, width, height, NR_PIXBLOCK_PX(in), 3, in->rs, width_org, height_org, x_step_l2, y_step_l2);
break;
- case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
- downsample<unsigned char,4>(NR_PIXBLOCK_PX(out), 4, out->rs, width, height, NR_PIXBLOCK_PX(in), 4, in->rs, width_org, height_org, x_step_l2, y_step_l2);
- break;
- case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
+ //case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
+ // downsample<unsigned char,4>(NR_PIXBLOCK_PX(out), 4, out->rs, width, height, NR_PIXBLOCK_PX(in), 4, in->rs, width_org, height_org, x_step_l2, y_step_l2);
+ // break;
+ case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
downsample<unsigned char,4>(NR_PIXBLOCK_PX(out), 4, out->rs, width, height, NR_PIXBLOCK_PX(in), 4, in->rs, width_org, height_org, x_step_l2, y_step_l2);
break;
default:
// Filter (x)
switch(in->mode) {
case NR_PIXBLOCK_MODE_A8: ///< Grayscale
- filter2D_IIR<unsigned char,1,false>(NR_PIXBLOCK_PX(out), 1, out->rs, NR_PIXBLOCK_PX(ssin), 1, ssin->rs, width, height, b, M, tmpdata);
+ filter2D_IIR<unsigned char,1,false>(NR_PIXBLOCK_PX(out), 1, out->rs, NR_PIXBLOCK_PX(ssin), 1, ssin->rs, width, height, b, M, tmpdata, NTHREADS);
break;
case NR_PIXBLOCK_MODE_R8G8B8: ///< 8 bit RGB
- filter2D_IIR<unsigned char,3,false>(NR_PIXBLOCK_PX(out), 3, out->rs, NR_PIXBLOCK_PX(ssin), 3, ssin->rs, width, height, b, M, tmpdata);
- break;
- case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
- filter2D_IIR<unsigned char,4,false>(NR_PIXBLOCK_PX(out), 4, out->rs, NR_PIXBLOCK_PX(ssin), 4, ssin->rs, width, height, b, M, tmpdata);
+ filter2D_IIR<unsigned char,3,false>(NR_PIXBLOCK_PX(out), 3, out->rs, NR_PIXBLOCK_PX(ssin), 3, ssin->rs, width, height, b, M, tmpdata, NTHREADS);
break;
- case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
- filter2D_IIR<unsigned char,4,true >(NR_PIXBLOCK_PX(out), 4, out->rs, NR_PIXBLOCK_PX(ssin), 4, ssin->rs, width, height, b, M, tmpdata);
+ //case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
+ // filter2D_IIR<unsigned char,4,false>(NR_PIXBLOCK_PX(out), 4, out->rs, NR_PIXBLOCK_PX(ssin), 4, ssin->rs, width, height, b, M, tmpdata, NTHREADS);
+ // break;
+ case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
+ filter2D_IIR<unsigned char,4,true >(NR_PIXBLOCK_PX(out), 4, out->rs, NR_PIXBLOCK_PX(ssin), 4, ssin->rs, width, height, b, M, tmpdata, NTHREADS);
break;
default:
assert(false);
};
- } else { // !use_IIR_x
+ } else if ( scr_len_x > 1 ) { // !use_IIR_x
// Filter kernel for x direction
FIRValue kernel[scr_len_x];
_make_kernel(kernel, deviation_x);
// Filter (x)
switch(in->mode) {
case NR_PIXBLOCK_MODE_A8: ///< Grayscale
- filter2D_FIR<unsigned char,1>(NR_PIXBLOCK_PX(out), 1, out->rs, NR_PIXBLOCK_PX(ssin), 1, ssin->rs, width, height, kernel, scr_len_x);
+ filter2D_FIR<unsigned char,1>(NR_PIXBLOCK_PX(out), 1, out->rs, NR_PIXBLOCK_PX(ssin), 1, ssin->rs, width, height, kernel, scr_len_x, NTHREADS);
break;
case NR_PIXBLOCK_MODE_R8G8B8: ///< 8 bit RGB
- filter2D_FIR<unsigned char,3>(NR_PIXBLOCK_PX(out), 3, out->rs, NR_PIXBLOCK_PX(ssin), 3, ssin->rs, width, height, kernel, scr_len_x);
+ filter2D_FIR<unsigned char,3>(NR_PIXBLOCK_PX(out), 3, out->rs, NR_PIXBLOCK_PX(ssin), 3, ssin->rs, width, height, kernel, scr_len_x, NTHREADS);
break;
- case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
- filter2D_FIR<unsigned char,4>(NR_PIXBLOCK_PX(out), 4, out->rs, NR_PIXBLOCK_PX(ssin), 4, ssin->rs, width, height, kernel, scr_len_x);
- break;
- case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
- filter2D_FIR<unsigned char,4>(NR_PIXBLOCK_PX(out), 4, out->rs, NR_PIXBLOCK_PX(ssin), 4, ssin->rs, width, height, kernel, scr_len_x);
+ //case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
+ // filter2D_FIR<unsigned char,4>(NR_PIXBLOCK_PX(out), 4, out->rs, NR_PIXBLOCK_PX(ssin), 4, ssin->rs, width, height, kernel, scr_len_x, NTHREADS);
+ // break;
+ case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
+ filter2D_FIR<unsigned char,4>(NR_PIXBLOCK_PX(out), 4, out->rs, NR_PIXBLOCK_PX(ssin), 4, ssin->rs, width, height, kernel, scr_len_x, NTHREADS);
break;
default:
assert(false);
};
+ } else if ( out != ssin ) { // out can be equal to ssin if resampling is used
+ nr_blit_pixblock_pixblock(out, ssin);
}
if (use_IIR_y) {
// Filter (y)
switch(in->mode) {
case NR_PIXBLOCK_MODE_A8: ///< Grayscale
- filter2D_IIR<unsigned char,1,false>(NR_PIXBLOCK_PX(out), out->rs, 1, NR_PIXBLOCK_PX(out), out->rs, 1, height, width, b, M, tmpdata);
+ filter2D_IIR<unsigned char,1,false>(NR_PIXBLOCK_PX(out), out->rs, 1, NR_PIXBLOCK_PX(out), out->rs, 1, height, width, b, M, tmpdata, NTHREADS);
break;
case NR_PIXBLOCK_MODE_R8G8B8: ///< 8 bit RGB
- filter2D_IIR<unsigned char,3,false>(NR_PIXBLOCK_PX(out), out->rs, 3, NR_PIXBLOCK_PX(out), out->rs, 3, height, width, b, M, tmpdata);
- break;
- case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
- filter2D_IIR<unsigned char,4,false>(NR_PIXBLOCK_PX(out), out->rs, 4, NR_PIXBLOCK_PX(out), out->rs, 4, height, width, b, M, tmpdata);
+ filter2D_IIR<unsigned char,3,false>(NR_PIXBLOCK_PX(out), out->rs, 3, NR_PIXBLOCK_PX(out), out->rs, 3, height, width, b, M, tmpdata, NTHREADS);
break;
- case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
- filter2D_IIR<unsigned char,4,true >(NR_PIXBLOCK_PX(out), out->rs, 4, NR_PIXBLOCK_PX(out), out->rs, 4, height, width, b, M, tmpdata);
+ //case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
+ // filter2D_IIR<unsigned char,4,false>(NR_PIXBLOCK_PX(out), out->rs, 4, NR_PIXBLOCK_PX(out), out->rs, 4, height, width, b, M, tmpdata, NTHREADS);
+ // break;
+ case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
+ filter2D_IIR<unsigned char,4,true >(NR_PIXBLOCK_PX(out), out->rs, 4, NR_PIXBLOCK_PX(out), out->rs, 4, height, width, b, M, tmpdata, NTHREADS);
break;
default:
assert(false);
};
- } else { // !use_IIR_y
+ } else if ( scr_len_y > 1 ) { // !use_IIR_y
// Filter kernel for y direction
FIRValue kernel[scr_len_y];
_make_kernel(kernel, deviation_y);
// Filter (y)
switch(in->mode) {
case NR_PIXBLOCK_MODE_A8: ///< Grayscale
- filter2D_FIR<unsigned char,1>(NR_PIXBLOCK_PX(out), out->rs, 1, NR_PIXBLOCK_PX(out), out->rs, 1, height, width, kernel, scr_len_y);
+ filter2D_FIR<unsigned char,1>(NR_PIXBLOCK_PX(out), out->rs, 1, NR_PIXBLOCK_PX(out), out->rs, 1, height, width, kernel, scr_len_y, NTHREADS);
break;
case NR_PIXBLOCK_MODE_R8G8B8: ///< 8 bit RGB
- filter2D_FIR<unsigned char,3>(NR_PIXBLOCK_PX(out), out->rs, 3, NR_PIXBLOCK_PX(out), out->rs, 3, height, width, kernel, scr_len_y);
+ filter2D_FIR<unsigned char,3>(NR_PIXBLOCK_PX(out), out->rs, 3, NR_PIXBLOCK_PX(out), out->rs, 3, height, width, kernel, scr_len_y, NTHREADS);
break;
- case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
- filter2D_FIR<unsigned char,4>(NR_PIXBLOCK_PX(out), out->rs, 4, NR_PIXBLOCK_PX(out), out->rs, 4, height, width, kernel, scr_len_y);
- break;
- case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
- filter2D_FIR<unsigned char,4>(NR_PIXBLOCK_PX(out), out->rs, 4, NR_PIXBLOCK_PX(out), out->rs, 4, height, width, kernel, scr_len_y);
+ //case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
+ // filter2D_FIR<unsigned char,4>(NR_PIXBLOCK_PX(out), out->rs, 4, NR_PIXBLOCK_PX(out), out->rs, 4, height, width, kernel, scr_len_y, NTHREADS);
+ // break;
+ case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
+ filter2D_FIR<unsigned char,4>(NR_PIXBLOCK_PX(out), out->rs, 4, NR_PIXBLOCK_PX(out), out->rs, 4, height, width, kernel, scr_len_y, NTHREADS);
break;
default:
assert(false);
};
}
- delete[] tmpdata; // deleting a nullptr has no effect, so this is save
+ for(int i=0; i<NTHREADS; i++) {
+ delete[] tmpdata[i]; // deleting a nullptr has no effect, so this is safe
+ }
if ( !resampling ) {
// No upsampling needed
in->area.x1, in->area.y1, true);
if (finalout->size != NR_PIXBLOCK_SIZE_TINY && finalout->data.px == NULL) {
// alas, we've accomplished a lot, but ran out of memory - so abort
+ if (in != original_in) nr_pixblock_free(in);
nr_pixblock_release(out);
delete out;
return 0;
case NR_PIXBLOCK_MODE_R8G8B8: ///< 8 bit RGB
upsample<unsigned char,3>(NR_PIXBLOCK_PX(finalout), 3, finalout->rs, width_org, height_org, NR_PIXBLOCK_PX(out), 3, out->rs, width, height, x_step_l2, y_step_l2);
break;
- case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
- upsample<unsigned char,4>(NR_PIXBLOCK_PX(finalout), 4, finalout->rs, width_org, height_org, NR_PIXBLOCK_PX(out), 4, out->rs, width, height, x_step_l2, y_step_l2);
- break;
- case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
+ //case NR_PIXBLOCK_MODE_R8G8B8A8N: ///< Normal 8 bit RGBA
+ // upsample<unsigned char,4>(NR_PIXBLOCK_PX(finalout), 4, finalout->rs, width_org, height_org, NR_PIXBLOCK_PX(out), 4, out->rs, width, height, x_step_l2, y_step_l2);
+ // break;
+ case NR_PIXBLOCK_MODE_R8G8B8A8P: ///< Premultiplied 8 bit RGBA
upsample<unsigned char,4>(NR_PIXBLOCK_PX(finalout), 4, finalout->rs, width_org, height_org, NR_PIXBLOCK_PX(out), 4, out->rs, width, height, x_step_l2, y_step_l2);
break;
default:
slot.set(_output, finalout);
}
+ if (in != original_in) nr_pixblock_free(in);
+
return 0;
}
-void FilterGaussian::area_enlarge(NRRectL &area, Matrix const &trans)
+void FilterGaussian::area_enlarge(NRRectL &area, Geom::Matrix const &trans)
{
- int area_x = _effect_area_scr(_deviation_x * NR::expansionX(trans));
- int area_y = _effect_area_scr(_deviation_y * NR::expansionY(trans));
+ int area_x = _effect_area_scr(_deviation_x * trans.expansionX());
+ int area_y = _effect_area_scr(_deviation_y * trans.expansionY());
// maximum is used because rotations can mix up these directions
// TODO: calculate a more tight-fitting rendering area
int area_max = std::max(area_x, area_y);
}
}
-} /* namespace NR */
+} /* namespace Filters */
+} /* namespace Inkscape */
/*
Local Variables: