36a048753a41b465ae130b361fb3b68c605e3e86kiirala

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala#include <glib.h>

6a438bf9ac749132f14198330626ef408d62cbebkiirala#include <cmath>

66632b492f9cd54e5667fd4e1fca8e457f59b282bryce#include <cstring>

66632b492f9cd54e5667fd4e1fca8e457f59b282bryce#include <string>

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński#include <cairo.h>

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiirala#include "display/nr-filter.h"

36a048753a41b465ae130b361fb3b68c605e3e86kiirala#include "display/nr-filter-primitive.h"

26fe967f30c5b0de45897a858d1ae09dff7c0ea7kiirala#include "display/nr-filter-slot.h"

26fe967f30c5b0de45897a858d1ae09dff7c0ea7kiirala#include "display/nr-filter-types.h"

bc44e67acb1457725817238120bcef0d1f1ada04kiirala#include "display/nr-filter-units.h"

d0bb68525547101b5c938b246ff897a5de413cffkiirala

cfed8dd91c0f5615fdcafa903781b0ad3d9759e5kiirala#include "display/nr-filter-blend.h"

d0bb68525547101b5c938b246ff897a5de413cffkiirala#include "display/nr-filter-composite.h"

e50fb78bbe0c001b3ca6040ba25ae6e75dc9385fjucablues#include "display/nr-filter-convolve-matrix.h"

76f8b79291ff270e0602159704dc2f07024e5132jucablues#include "display/nr-filter-colormatrix.h"

76f8b79291ff270e0602159704dc2f07024e5132jucablues#include "display/nr-filter-component-transfer.h"

af0732a2bf24fbea12a085b855224577e7101851kiirala#include "display/nr-filter-diffuselighting.h"

e50fb78bbe0c001b3ca6040ba25ae6e75dc9385fjucablues#include "display/nr-filter-displacement-map.h"

437c1cd94c72c1a38636a923cd9c0a95189596adLiam P. White#include "display/nr-filter-image.h"

76f8b79291ff270e0602159704dc2f07024e5132jucablues#include "display/nr-filter-flood.h"

e50fb78bbe0c001b3ca6040ba25ae6e75dc9385fjucablues#include "display/nr-filter-gaussian.h"

ad7e78cb16ace844160e613742645e012fd22cc9kiirala#include "display/nr-filter-merge.h"

76f8b79291ff270e0602159704dc2f07024e5132jucablues#include "display/nr-filter-morphology.h"

e50fb78bbe0c001b3ca6040ba25ae6e75dc9385fjucablues#include "display/nr-filter-offset.h"

e50fb78bbe0c001b3ca6040ba25ae6e75dc9385fjucablues#include "display/nr-filter-specularlighting.h"

722f7dbea16756eec7d07b53cefbdbe8861bac09jucablues#include "display/nr-filter-tile.h"

e50fb78bbe0c001b3ca6040ba25ae6e75dc9385fjucablues#include "display/nr-filter-turbulence.h"

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

9f6f7e74a1ded383518676e0ecb2ccc5caa73d25tavmjong-free#include "display/cairo-utils.h"

3a3365c39fe3932d005ae1aa4324ef48606f5e18Krzysztof Kosiński#include "display/drawing.h"

d1bde559850436556ebee2e70e10f1cfc8aff636Krzysztof Kosiński#include "display/drawing-item.h"

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński#include "display/drawing-context.h"

d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen#include <2geom/affine.h>

a612be74de962213420afa66cf575e433159629bjohanengelen#include <2geom/rect.h>

36a048753a41b465ae130b361fb3b68c605e3e86kiirala#include "svg/svg-length.h"

36a048753a41b465ae130b361fb3b68c605e3e86kiirala#include "sp-filter-units.h"

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould#include "preferences.h"

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould

aecee8c4b2aead4b1ae1049bc020aae1f2c7066averbalshadow#if defined (SOLARIS) && (SOLARIS == 8)

444eb57880794d9aaa75ab6fc0a584dbe60662b9schwarzenberg#include "round.h"

444eb57880794d9aaa75ab6fc0a584dbe60662b9schwarzenbergusing Inkscape::round;

ea7414b9c57c6f6dfce65f253a34d1c617cdcf40scislac#endif

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

d9a7c806ee7f408ddb61ff4f233c9d96111ee2b5johanengelennamespace Inkscape {

d9a7c806ee7f408ddb61ff4f233c9d96111ee2b5johanengelennamespace Filters {

d9a7c806ee7f408ddb61ff4f233c9d96111ee2b5johanengelen

d9a7c806ee7f408ddb61ff4f233c9d96111ee2b5johanengelenusing Geom::X;

d9a7c806ee7f408ddb61ff4f233c9d96111ee2b5johanengelenusing Geom::Y;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiiralaFilter::Filter()

36a048753a41b465ae130b361fb3b68c605e3e86kiirala{

36a048753a41b465ae130b361fb3b68c605e3e86kiirala _common_init();

36a048753a41b465ae130b361fb3b68c605e3e86kiirala}

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiiralaFilter::Filter(int n)

36a048753a41b465ae130b361fb3b68c605e3e86kiirala{

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński if (n > 0) _primitive.reserve(n);

36a048753a41b465ae130b361fb3b68c605e3e86kiirala _common_init();

36a048753a41b465ae130b361fb3b68c605e3e86kiirala}

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiiralavoid Filter::_common_init() {

36a048753a41b465ae130b361fb3b68c605e3e86kiirala _slot_count = 1;

cfb5fa826062314dac912b3627f932aab8250988kiirala // Having "not set" here as value means the output of last filter

cfb5fa826062314dac912b3627f932aab8250988kiirala // primitive will be used as output of this filter

26fe967f30c5b0de45897a858d1ae09dff7c0ea7kiirala _output_slot = NR_FILTER_SLOT_NOT_SET;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

cfb5fa826062314dac912b3627f932aab8250988kiirala // These are the default values for filter region,

cfb5fa826062314dac912b3627f932aab8250988kiirala // as specified in SVG standard

cfb5fa826062314dac912b3627f932aab8250988kiirala // NB: SVGLength.set takes prescaled percent values: -.10 means -10%

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala _region_x.set(SVGLength::PERCENT, -.10, 0);

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala _region_y.set(SVGLength::PERCENT, -.10, 0);

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala _region_width.set(SVGLength::PERCENT, 1.20, 0);

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala _region_height.set(SVGLength::PERCENT, 1.20, 0);

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

cfb5fa826062314dac912b3627f932aab8250988kiirala // Filter resolution, negative value here stands for "automatic"

36a048753a41b465ae130b361fb3b68c605e3e86kiirala _x_pixels = -1.0;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala _y_pixels = -1.0;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiirala _filter_units = SP_FILTER_UNITS_OBJECTBOUNDINGBOX;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala _primitive_units = SP_FILTER_UNITS_USERSPACEONUSE;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala}

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiiralaFilter::~Filter()

36a048753a41b465ae130b361fb3b68c605e3e86kiirala{

36a048753a41b465ae130b361fb3b68c605e3e86kiirala clear_primitives();

36a048753a41b465ae130b361fb3b68c605e3e86kiirala}

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

58ba7163a5ee19414f3357a7c84d93989cb7498cmathogint Filter::render(Inkscape::DrawingItem const *item, DrawingContext &graphic, DrawingContext *bgdc)

36a048753a41b465ae130b361fb3b68c605e3e86kiirala{

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński if (_primitive.empty()) {

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński // when no primitives are defined, clear source graphic

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.setSource(0,0,0,0);

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.setOperator(CAIRO_OPERATOR_SOURCE);

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.paint();

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.setOperator(CAIRO_OPERATOR_OVER);

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński return 1;

62d31275d48feeac9615611451ff4c9b724465e0buliabyak }

62d31275d48feeac9615611451ff4c9b724465e0buliabyak

3a3365c39fe3932d005ae1aa4324ef48606f5e18Krzysztof Kosiński FilterQuality const filterquality = (FilterQuality)item->drawing().filterQuality();

3a3365c39fe3932d005ae1aa4324ef48606f5e18Krzysztof Kosiński int const blurquality = item->drawing().blurQuality();

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould

d1bde559850436556ebee2e70e10f1cfc8aff636Krzysztof Kosiński Geom::Affine trans = item->ctm();

cfb5fa826062314dac912b3627f932aab8250988kiirala

4c8643254b4df638f2975de33634dbdfd1117426Krzysztof Kosiński Geom::OptRect filter_area = filter_effect_area(item->itemBounds());

7660d875eddc4ce623da57f3f8b7bddfa9ebe13bMartin Owens if (!filter_area) return 1;

ea7414b9c57c6f6dfce65f253a34d1c617cdcf40scislac

bc44e67acb1457725817238120bcef0d1f1ada04kiirala FilterUnits units(_filter_units, _primitive_units);

bc44e67acb1457725817238120bcef0d1f1ada04kiirala units.set_ctm(trans);

4c8643254b4df638f2975de33634dbdfd1117426Krzysztof Kosiński units.set_item_bbox(item->itemBounds());

d7f431dc1e23b8394f96c5c2d5cec3db17a089b3Krzysztof Kosinski units.set_filter_area(*filter_area);

bc44e67acb1457725817238120bcef0d1f1ada04kiirala

048cb9327965b78afba4f93f9345b043b3929bfakiirala std::pair<double,double> resolution

d7f431dc1e23b8394f96c5c2d5cec3db17a089b3Krzysztof Kosinski = _filter_resolution(*filter_area, trans, filterquality);

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński if (!(resolution.first > 0 && resolution.second > 0)) {

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński // zero resolution - clear source graphic and return

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.setSource(0,0,0,0);

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.setOperator(CAIRO_OPERATOR_SOURCE);

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.paint();

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.setOperator(CAIRO_OPERATOR_OVER);

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński return 1;

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński }

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński

048cb9327965b78afba4f93f9345b043b3929bfakiirala units.set_resolution(resolution.first, resolution.second);

bc44e67acb1457725817238120bcef0d1f1ada04kiirala if (_x_pixels > 0) {

bc44e67acb1457725817238120bcef0d1f1ada04kiirala units.set_automatic_resolution(false);

048cb9327965b78afba4f93f9345b043b3929bfakiirala }

048cb9327965b78afba4f93f9345b043b3929bfakiirala else {

bc44e67acb1457725817238120bcef0d1f1ada04kiirala units.set_automatic_resolution(true);

abe16e5016aa518c5aeaeaf8bcb6be07331d6a2ekiirala }

bc44e67acb1457725817238120bcef0d1f1ada04kiirala

19b5b2b5dde7da8fabe1418886957c9cd06d3599Krzysztof Kosiński units.set_paraller(false);

dff9bb0d25ad38c515c32e2c76a20e747c8eed10Krzysztof Kosiński Geom::Affine pbtrans = units.get_matrix_display2pb();

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński for (unsigned i = 0 ; i < _primitive.size() ; i++) {

19b5b2b5dde7da8fabe1418886957c9cd06d3599Krzysztof Kosiński if (!_primitive[i]->can_handle_affine(pbtrans)) {

bc44e67acb1457725817238120bcef0d1f1ada04kiirala units.set_paraller(true);

bc44e67acb1457725817238120bcef0d1f1ada04kiirala break;

bc44e67acb1457725817238120bcef0d1f1ada04kiirala }

19b5b2b5dde7da8fabe1418886957c9cd06d3599Krzysztof Kosiński }

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński

58ba7163a5ee19414f3357a7c84d93989cb7498cmathog FilterSlot slot(const_cast<Inkscape::DrawingItem*>(item), bgdc, graphic, units);

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński slot.set_quality(filterquality);

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński slot.set_blurquality(blurquality);

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński for (unsigned i = 0 ; i < _primitive.size() ; i++) {

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński _primitive[i]->render_cairo(slot);

bc44e67acb1457725817238120bcef0d1f1ada04kiirala }

bc44e67acb1457725817238120bcef0d1f1ada04kiirala

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński Geom::Point origin = graphic.targetLogicalBounds().min();

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński cairo_surface_t *result = slot.get_result(_output_slot);

9f6f7e74a1ded383518676e0ecb2ccc5caa73d25tavmjong-free

9f6f7e74a1ded383518676e0ecb2ccc5caa73d25tavmjong-free // Assume for the moment that we paint the filter in sRGB

6d8f5d4d0168d3966402ec5794ec4e0ae220f526tavmjong-free set_cairo_surface_ci( result, SP_CSS_COLOR_INTERPOLATION_SRGB );

9f6f7e74a1ded383518676e0ecb2ccc5caa73d25tavmjong-free

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.setSource(result, origin[Geom::X], origin[Geom::Y]);

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.setOperator(CAIRO_OPERATOR_SOURCE);

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.paint();

ed422cc32e064690397f1e4aeb526ebda5fbca77Krzysztof Kosiński graphic.setOperator(CAIRO_OPERATOR_OVER);

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński cairo_surface_destroy(result);

4d2111f1991274cf80f89219637fca969697e661Krzysztof Kosiński

36a048753a41b465ae130b361fb3b68c605e3e86kiirala return 0;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala}

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

f3e28e14b8c9e58bd65893d7b507e04e33679b80Jasper van de Grondevoid Filter::set_filter_units(SPFilterUnits unit) {

f3e28e14b8c9e58bd65893d7b507e04e33679b80Jasper van de Gronde _filter_units = unit;

f3e28e14b8c9e58bd65893d7b507e04e33679b80Jasper van de Gronde}

f3e28e14b8c9e58bd65893d7b507e04e33679b80Jasper van de Gronde

f3e28e14b8c9e58bd65893d7b507e04e33679b80Jasper van de Grondevoid Filter::set_primitive_units(SPFilterUnits unit) {

f3e28e14b8c9e58bd65893d7b507e04e33679b80Jasper van de Gronde _primitive_units = unit;

f3e28e14b8c9e58bd65893d7b507e04e33679b80Jasper van de Gronde}

f3e28e14b8c9e58bd65893d7b507e04e33679b80Jasper van de Gronde

d1bde559850436556ebee2e70e10f1cfc8aff636Krzysztof Kosińskivoid Filter::area_enlarge(Geom::IntRect &bbox, Inkscape::DrawingItem const *item) const {

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński for (unsigned i = 0 ; i < _primitive.size() ; i++) {

7bda77e763c0af49270427593108b66455dfd125Krzysztof Kosinski if (_primitive[i]) _primitive[i]->area_enlarge(bbox, item->ctm());

36a048753a41b465ae130b361fb3b68c605e3e86kiirala }

74492c140ec4f83d0e713407c63a05c370e70e4aKrzysztof Kosiński

36a048753a41b465ae130b361fb3b68c605e3e86kiirala}

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

d7f431dc1e23b8394f96c5c2d5cec3db17a089b3Krzysztof KosinskiGeom::OptRect Filter::filter_effect_area(Geom::OptRect const &bbox)

36a048753a41b465ae130b361fb3b68c605e3e86kiirala{

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould Geom::Point minp, maxp;

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free

a8da8e8426ae8c8692d69b5cb8adf122642d0e6ekiirala if (_filter_units == SP_FILTER_UNITS_OBJECTBOUNDINGBOX) {

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free double len_x = bbox ? bbox->width() : 0;

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free double len_y = bbox ? bbox->height() : 0;

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free /* TODO: fetch somehow the object ex and em lengths */

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free // Update for em, ex, and % values

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free _region_x.update(12, 6, len_x);

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free _region_y.update(12, 6, len_y);

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free _region_width.update(12, 6, len_x);

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free _region_height.update(12, 6, len_y);

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free

d7f431dc1e23b8394f96c5c2d5cec3db17a089b3Krzysztof Kosinski if (!bbox) return Geom::OptRect();

d7f431dc1e23b8394f96c5c2d5cec3db17a089b3Krzysztof Kosinski

a8da8e8426ae8c8692d69b5cb8adf122642d0e6ekiirala if (_region_x.unit == SVGLength::PERCENT) {

d7f431dc1e23b8394f96c5c2d5cec3db17a089b3Krzysztof Kosinski minp[X] = bbox->left() + _region_x.computed;

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala } else {

d7f431dc1e23b8394f96c5c2d5cec3db17a089b3Krzysztof Kosinski minp[X] = bbox->left() + _region_x.computed * len_x;

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala }

a8da8e8426ae8c8692d69b5cb8adf122642d0e6ekiirala if (_region_width.unit == SVGLength::PERCENT) {

bc44e67acb1457725817238120bcef0d1f1ada04kiirala maxp[X] = minp[X] + _region_width.computed;

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala } else {

bc44e67acb1457725817238120bcef0d1f1ada04kiirala maxp[X] = minp[X] + _region_width.computed * len_x;

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala }

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala

a8da8e8426ae8c8692d69b5cb8adf122642d0e6ekiirala if (_region_y.unit == SVGLength::PERCENT) {

d7f431dc1e23b8394f96c5c2d5cec3db17a089b3Krzysztof Kosinski minp[Y] = bbox->top() + _region_y.computed;

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala } else {

d7f431dc1e23b8394f96c5c2d5cec3db17a089b3Krzysztof Kosinski minp[Y] = bbox->top() + _region_y.computed * len_y;

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala }

a8da8e8426ae8c8692d69b5cb8adf122642d0e6ekiirala if (_region_height.unit == SVGLength::PERCENT) {

bc44e67acb1457725817238120bcef0d1f1ada04kiirala maxp[Y] = minp[Y] + _region_height.computed;

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala } else {

bc44e67acb1457725817238120bcef0d1f1ada04kiirala maxp[Y] = minp[Y] + _region_height.computed * len_y;

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala }

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala } else if (_filter_units == SP_FILTER_UNITS_USERSPACEONUSE) {

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free // Region already set in sp-filter.cpp

bc44e67acb1457725817238120bcef0d1f1ada04kiirala minp[X] = _region_x.computed;

bc44e67acb1457725817238120bcef0d1f1ada04kiirala maxp[X] = minp[X] + _region_width.computed;

bc44e67acb1457725817238120bcef0d1f1ada04kiirala minp[Y] = _region_y.computed;

bc44e67acb1457725817238120bcef0d1f1ada04kiirala maxp[Y] = minp[Y] + _region_height.computed;

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala } else {

7c89b734639fa72a5d2ffdc9cf1f7ab22eff67f1tavmjong-free g_warning("Error in Inkscape::Filters::Filter::filter_effect_area: unrecognized value of _filter_units");

ca43a6feb9fd8cbde4d7ba66d3d7e751cca5cfd8kiirala }

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free

d7f431dc1e23b8394f96c5c2d5cec3db17a089b3Krzysztof Kosinski Geom::OptRect area(minp, maxp);

f1cc811680c8327cf4888284c04d4b4e2a2d6446tavmjong-free // std::cout << "Filter::filter_effect_area: area: " << *area << std::endl;

bc44e67acb1457725817238120bcef0d1f1ada04kiirala return area;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala}

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

1cf2607271f83cc4b20ccace552395d793055c90Krzysztof Kosińskidouble Filter::complexity(Geom::Affine const &ctm)

1cf2607271f83cc4b20ccace552395d793055c90Krzysztof Kosiński{

3e0790bc7c644b06f3f02ae3bdbf682ce1b3f9ceKrzysztof Kosiński double factor = 1.0;

1cf2607271f83cc4b20ccace552395d793055c90Krzysztof Kosiński for (unsigned i = 0 ; i < _primitive.size() ; i++) {

1cf2607271f83cc4b20ccace552395d793055c90Krzysztof Kosiński if (_primitive[i]) {

1cf2607271f83cc4b20ccace552395d793055c90Krzysztof Kosiński double f = _primitive[i]->complexity(ctm);

1cf2607271f83cc4b20ccace552395d793055c90Krzysztof Kosiński factor += (f - 1.0);

1cf2607271f83cc4b20ccace552395d793055c90Krzysztof Kosiński }

1cf2607271f83cc4b20ccace552395d793055c90Krzysztof Kosiński }

1cf2607271f83cc4b20ccace552395d793055c90Krzysztof Kosiński return factor;

1cf2607271f83cc4b20ccace552395d793055c90Krzysztof Kosiński}

1cf2607271f83cc4b20ccace552395d793055c90Krzysztof Kosiński

d1eeafe871c5909edd05ee72dfa603533ad39a87Krzysztof Kosińskibool Filter::uses_background()

d1eeafe871c5909edd05ee72dfa603533ad39a87Krzysztof Kosiński{

d1eeafe871c5909edd05ee72dfa603533ad39a87Krzysztof Kosiński for (unsigned i = 0 ; i < _primitive.size() ; i++) {

d1eeafe871c5909edd05ee72dfa603533ad39a87Krzysztof Kosiński if (_primitive[i] && _primitive[i]->uses_background()) {

d1eeafe871c5909edd05ee72dfa603533ad39a87Krzysztof Kosiński return true;

d1eeafe871c5909edd05ee72dfa603533ad39a87Krzysztof Kosiński }

d1eeafe871c5909edd05ee72dfa603533ad39a87Krzysztof Kosiński }

d1eeafe871c5909edd05ee72dfa603533ad39a87Krzysztof Kosiński return false;

d1eeafe871c5909edd05ee72dfa603533ad39a87Krzysztof Kosiński}

d1eeafe871c5909edd05ee72dfa603533ad39a87Krzysztof Kosiński

36a048753a41b465ae130b361fb3b68c605e3e86kiiralatypedef FilterPrimitive*(*FilterConstructor)();

36a048753a41b465ae130b361fb3b68c605e3e86kiiralastatic FilterConstructor _constructor[NR_FILTER_ENDPRIMITIVETYPE];

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiiralavoid Filter::_create_constructor_table()

36a048753a41b465ae130b361fb3b68c605e3e86kiirala{

cfb5fa826062314dac912b3627f932aab8250988kiirala // Constructor table won't change in run-time, so no need to recreate

36a048753a41b465ae130b361fb3b68c605e3e86kiirala static bool created = false;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala if(created) return;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

cfed8dd91c0f5615fdcafa903781b0ad3d9759e5kiirala _constructor[NR_FILTER_BLEND] = &FilterBlend::create;

76f8b79291ff270e0602159704dc2f07024e5132jucablues _constructor[NR_FILTER_COLORMATRIX] = &FilterColorMatrix::create;

76f8b79291ff270e0602159704dc2f07024e5132jucablues _constructor[NR_FILTER_COMPONENTTRANSFER] = &FilterComponentTransfer::create;

d0bb68525547101b5c938b246ff897a5de413cffkiirala _constructor[NR_FILTER_COMPOSITE] = &FilterComposite::create;

239d123ab0295968f8af7fd8227a1cf1ebb27002kiirala _constructor[NR_FILTER_CONVOLVEMATRIX] = &FilterConvolveMatrix::create;

af0732a2bf24fbea12a085b855224577e7101851kiirala _constructor[NR_FILTER_DIFFUSELIGHTING] = &FilterDiffuseLighting::create;

b1bec4de820f8b6d32105117c7d1015e5093af8bjucablues _constructor[NR_FILTER_DISPLACEMENTMAP] = &FilterDisplacementMap::create;

76f8b79291ff270e0602159704dc2f07024e5132jucablues _constructor[NR_FILTER_FLOOD] = &FilterFlood::create;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala _constructor[NR_FILTER_GAUSSIANBLUR] = &FilterGaussian::create;

e50fb78bbe0c001b3ca6040ba25ae6e75dc9385fjucablues _constructor[NR_FILTER_IMAGE] = &FilterImage::create;

ad7e78cb16ace844160e613742645e012fd22cc9kiirala _constructor[NR_FILTER_MERGE] = &FilterMerge::create;

76f8b79291ff270e0602159704dc2f07024e5132jucablues _constructor[NR_FILTER_MORPHOLOGY] = &FilterMorphology::create;

9a5352f6231f55c96d746cb1e674e6cfecdaa4bfkiirala _constructor[NR_FILTER_OFFSET] = &FilterOffset::create;

af0732a2bf24fbea12a085b855224577e7101851kiirala _constructor[NR_FILTER_SPECULARLIGHTING] = &FilterSpecularLighting::create;

722f7dbea16756eec7d07b53cefbdbe8861bac09jucablues _constructor[NR_FILTER_TILE] = &FilterTile::create;

e50fb78bbe0c001b3ca6040ba25ae6e75dc9385fjucablues _constructor[NR_FILTER_TURBULENCE] = &FilterTurbulence::create;

cfb5fa826062314dac912b3627f932aab8250988kiirala created = true;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala}

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

f727367dddbf050f0a7d33757e9290f571cbd492kiiralaint Filter::add_primitive(FilterPrimitiveType type)

36a048753a41b465ae130b361fb3b68c605e3e86kiirala{

36a048753a41b465ae130b361fb3b68c605e3e86kiirala _create_constructor_table();

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiirala // Check that we can create a new filter of specified type

36a048753a41b465ae130b361fb3b68c605e3e86kiirala if (type < 0 || type >= NR_FILTER_ENDPRIMITIVETYPE)

f727367dddbf050f0a7d33757e9290f571cbd492kiirala return -1;

f727367dddbf050f0a7d33757e9290f571cbd492kiirala if (!_constructor[type]) return -1;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala FilterPrimitive *created = _constructor[type]();

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński int handle = _primitive.size();

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński _primitive.push_back(created);

f727367dddbf050f0a7d33757e9290f571cbd492kiirala return handle;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala}

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

f727367dddbf050f0a7d33757e9290f571cbd492kiiralaint Filter::replace_primitive(int target, FilterPrimitiveType type)

36a048753a41b465ae130b361fb3b68c605e3e86kiirala{

36a048753a41b465ae130b361fb3b68c605e3e86kiirala _create_constructor_table();

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiirala // Check that target is valid primitive inside this filter

f727367dddbf050f0a7d33757e9290f571cbd492kiirala if (target < 0) return -1;

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński if (static_cast<unsigned>(target) >= _primitive.size()) return -1;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiirala // Check that we can create a new filter of specified type

36a048753a41b465ae130b361fb3b68c605e3e86kiirala if (type < 0 || type >= NR_FILTER_ENDPRIMITIVETYPE)

f727367dddbf050f0a7d33757e9290f571cbd492kiirala return -1;

f727367dddbf050f0a7d33757e9290f571cbd492kiirala if (!_constructor[type]) return -1;

36a048753a41b465ae130b361fb3b68c605e3e86kiirala FilterPrimitive *created = _constructor[type]();

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

f727367dddbf050f0a7d33757e9290f571cbd492kiirala delete _primitive[target];

f727367dddbf050f0a7d33757e9290f571cbd492kiirala _primitive[target] = created;

f727367dddbf050f0a7d33757e9290f571cbd492kiirala return target;

f727367dddbf050f0a7d33757e9290f571cbd492kiirala}

f727367dddbf050f0a7d33757e9290f571cbd492kiirala

f727367dddbf050f0a7d33757e9290f571cbd492kiiralaFilterPrimitive *Filter::get_primitive(int handle) {

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński if (handle < 0 || handle >= static_cast<int>(_primitive.size())) return NULL;

f727367dddbf050f0a7d33757e9290f571cbd492kiirala return _primitive[handle];

36a048753a41b465ae130b361fb3b68c605e3e86kiirala}

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

36a048753a41b465ae130b361fb3b68c605e3e86kiiralavoid Filter::clear_primitives()

36a048753a41b465ae130b361fb3b68c605e3e86kiirala{

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński for (unsigned i = 0 ; i < _primitive.size() ; i++) {

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński delete _primitive[i];

36a048753a41b465ae130b361fb3b68c605e3e86kiirala }

df6dea947cb4fcb132e1ee71c3a75628157fb326Krzysztof Kosiński _primitive.clear();

36a048753a41b465ae130b361fb3b68c605e3e86kiirala}

36a048753a41b465ae130b361fb3b68c605e3e86kiirala

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiiralavoid Filter::set_x(SVGLength const &length)

ea7414b9c57c6f6dfce65f253a34d1c617cdcf40scislac{

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak if (length._set)

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak _region_x = length;

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak}

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiiralavoid Filter::set_y(SVGLength const &length)

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak{

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak if (length._set)

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak _region_y = length;

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak}

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiiralavoid Filter::set_width(SVGLength const &length)

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak{

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak if (length._set)

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak _region_width = length;

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak}

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiiralavoid Filter::set_height(SVGLength const &length)

ea7414b9c57c6f6dfce65f253a34d1c617cdcf40scislac{

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak if (length._set)

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak _region_height = length;

1cb9a58ed7f1377b8b2757dd73d0429370e0cafabuliabyak}

8c833a9abfd335f0305466ad7451c03c2f6b50ddhaa_rodrigues

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiiralavoid Filter::set_resolution(double const pixels) {

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala if (pixels > 0) {

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala _x_pixels = pixels;

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala _y_pixels = pixels;

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala }

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala}

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiiralavoid Filter::set_resolution(double const x_pixels, double const y_pixels) {

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala if (x_pixels >= 0 && y_pixels >= 0) {

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala _x_pixels = x_pixels;

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala _y_pixels = y_pixels;

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala }

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala}

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiiralavoid Filter::reset_resolution() {

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala _x_pixels = -1;

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala _y_pixels = -1;

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala}

c6c387ac9d151b60ab64ec3c9d647bf31576735ekiirala

048cb9327965b78afba4f93f9345b043b3929bfakiiralaint Filter::_resolution_limit(FilterQuality const quality) const {

048cb9327965b78afba4f93f9345b043b3929bfakiirala int limit = -1;

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould switch (quality) {

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould case FILTER_QUALITY_WORST:

048cb9327965b78afba4f93f9345b043b3929bfakiirala limit = 32;

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould break;

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould case FILTER_QUALITY_WORSE:

048cb9327965b78afba4f93f9345b043b3929bfakiirala limit = 64;

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould break;

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould case FILTER_QUALITY_NORMAL:

048cb9327965b78afba4f93f9345b043b3929bfakiirala limit = 256;

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould break;

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould case FILTER_QUALITY_BETTER:

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould case FILTER_QUALITY_BEST:

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould default:

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould break;

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould }

048cb9327965b78afba4f93f9345b043b3929bfakiirala return limit;

048cb9327965b78afba4f93f9345b043b3929bfakiirala}

048cb9327965b78afba4f93f9345b043b3929bfakiirala

048cb9327965b78afba4f93f9345b043b3929bfakiiralastd::pair<double,double> Filter::_filter_resolution(

d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen Geom::Rect const &area, Geom::Affine const &trans,

048cb9327965b78afba4f93f9345b043b3929bfakiirala FilterQuality const filterquality) const

048cb9327965b78afba4f93f9345b043b3929bfakiirala{

048cb9327965b78afba4f93f9345b043b3929bfakiirala std::pair<double,double> resolution;

048cb9327965b78afba4f93f9345b043b3929bfakiirala if (_x_pixels > 0) {

048cb9327965b78afba4f93f9345b043b3929bfakiirala double y_len;

048cb9327965b78afba4f93f9345b043b3929bfakiirala if (_y_pixels > 0) {

048cb9327965b78afba4f93f9345b043b3929bfakiirala y_len = _y_pixels;

048cb9327965b78afba4f93f9345b043b3929bfakiirala } else {

048cb9327965b78afba4f93f9345b043b3929bfakiirala y_len = (_x_pixels * (area.max()[Y] - area.min()[Y]))

048cb9327965b78afba4f93f9345b043b3929bfakiirala / (area.max()[X] - area.min()[X]);

048cb9327965b78afba4f93f9345b043b3929bfakiirala }

048cb9327965b78afba4f93f9345b043b3929bfakiirala resolution.first = _x_pixels;

048cb9327965b78afba4f93f9345b043b3929bfakiirala resolution.second = y_len;

048cb9327965b78afba4f93f9345b043b3929bfakiirala } else {

048cb9327965b78afba4f93f9345b043b3929bfakiirala Geom::Point origo = area.min();

048cb9327965b78afba4f93f9345b043b3929bfakiirala origo *= trans;

048cb9327965b78afba4f93f9345b043b3929bfakiirala Geom::Point max_i(area.max()[X], area.min()[Y]);

048cb9327965b78afba4f93f9345b043b3929bfakiirala max_i *= trans;

048cb9327965b78afba4f93f9345b043b3929bfakiirala Geom::Point max_j(area.min()[X], area.max()[Y]);

048cb9327965b78afba4f93f9345b043b3929bfakiirala max_j *= trans;

048cb9327965b78afba4f93f9345b043b3929bfakiirala double i_len = sqrt((origo[X] - max_i[X]) * (origo[X] - max_i[X])

048cb9327965b78afba4f93f9345b043b3929bfakiirala + (origo[Y] - max_i[Y]) * (origo[Y] - max_i[Y]));

048cb9327965b78afba4f93f9345b043b3929bfakiirala double j_len = sqrt((origo[X] - max_j[X]) * (origo[X] - max_j[X])

048cb9327965b78afba4f93f9345b043b3929bfakiirala + (origo[Y] - max_j[Y]) * (origo[Y] - max_j[Y]));

048cb9327965b78afba4f93f9345b043b3929bfakiirala int limit = _resolution_limit(filterquality);

048cb9327965b78afba4f93f9345b043b3929bfakiirala if (limit > 0 && (i_len > limit || j_len > limit)) {

048cb9327965b78afba4f93f9345b043b3929bfakiirala double aspect_ratio = i_len / j_len;

048cb9327965b78afba4f93f9345b043b3929bfakiirala if (i_len > j_len) {

048cb9327965b78afba4f93f9345b043b3929bfakiirala i_len = limit;

048cb9327965b78afba4f93f9345b043b3929bfakiirala j_len = i_len / aspect_ratio;

048cb9327965b78afba4f93f9345b043b3929bfakiirala }

048cb9327965b78afba4f93f9345b043b3929bfakiirala else {

048cb9327965b78afba4f93f9345b043b3929bfakiirala j_len = limit;

048cb9327965b78afba4f93f9345b043b3929bfakiirala i_len = j_len * aspect_ratio;

048cb9327965b78afba4f93f9345b043b3929bfakiirala }

048cb9327965b78afba4f93f9345b043b3929bfakiirala }

048cb9327965b78afba4f93f9345b043b3929bfakiirala resolution.first = i_len;

048cb9327965b78afba4f93f9345b043b3929bfakiirala resolution.second = j_len;

048cb9327965b78afba4f93f9345b043b3929bfakiirala }

048cb9327965b78afba4f93f9345b043b3929bfakiirala return resolution;

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould}

e9b6af083e34e2397a8ddbe9781920733d09d151Ted Gould

d9a7c806ee7f408ddb61ff4f233c9d96111ee2b5johanengelen} /* namespace Filters */

d9a7c806ee7f408ddb61ff4f233c9d96111ee2b5johanengelen} /* namespace Inkscape */

36a048753a41b465ae130b361fb3b68c605e3e86kiirala