#ifdef HAVE_CONFIG_H

# include "config.h"

#endif

#include "2geom/sbasis-to-bezier.h"

#include "2geom/svg-elliptical-arc.h"

#include "2geom/path.h"

#include "2geom/pathvector.h"

#include "2geom/rect.h"

#include "2geom/bezier-curve.h"

#include "2geom/hvlinesegment.h"

#include "helper/geom.h"

#include "helper/geom-curves.h"

#include "sp-item.h"

#include "style.h"

#include "inkscape-version.h"

#include "sp-root.h"

#include "unit-constants.h"

#include "extension/system.h"

#include "extension/print.h"

#include "document.h"

#include "path-prefix.h"

#include "sp-pattern.h"

#include "sp-image.h"

#include "sp-gradient.h"

#include "sp-radial-gradient.h"

#include "sp-linear-gradient.h"

#include "splivarot.h" // pieces for union on shapes

#include "2geom/svg-path-parser.h" // to get from SVG text to Geom::Path

#include "display/canvas-bpath.h" // for SPWindRule

#include "wmf-print.h"

#include <string.h>

extern "C" {

#include "libunicode-convert/unicode-convert.h"

}

namespace Inkscape {

namespace Extension {

namespace Internal {

#define PXPERMETER 2835

#define MAXDISP 2.0 // This should be set in the output dialog. This is ok for experimenting, no more than 2 pixel deviation. Not actually used at present

enum drawmode {DRAW_PAINT, DRAW_PATTERN, DRAW_IMAGE, DRAW_LINEAR_GRADIENT, DRAW_RADIAL_GRADIENT};

struct FFNEXUS {

char *fontname; //Font name

FFNEXUS *next; //link to next nexus, NULL if this is the last

double f1; //Vertical (rotating) offset factor (* font height)

double f2; //Vertical (nonrotating) offset factor (* font height)

double f3; //Horizontal (nonrotating) offset factor (* font height)

};

struct GRADVALUES{

Geom::Point p1; // center or start

Geom::Point p2; // xhandle or end

Geom::Point p3; // yhandle or unused

double r; // radius or unused

void *grad; // to access the stops information

int mode; // DRAW_LINEAR_GRADIENT or DRAW_RADIAL_GRADIENT, if GRADVALUES is valid, else any value

U_COLORREF bgc; // document background color, this is as good a place as any to keep it

float rgb[3]; // also background color, but as 0-1 float.

};

static double PX2WORLD = 1200.0/90.0; // inkscape is 90 dpi, WMF file is 1200

static bool FixPPTCharPos, FixPPTDashLine, FixPPTGrad2Polys, FixPPTPatternAsHatch;

static FFNEXUS *wmf_short_fflist = NULL; //only those fonts so far encountered

static FFNEXUS *wmf_long_fflist = NULL; //all the fonts described in ...\share\extensions\fontfix.conf

static WMFTRACK *wt = NULL;

static WMFHANDLES *wht = NULL;

static GRADVALUES gv;

void PrintWmf::read_system_fflist(void){ //this is not called by any other source files

FFNEXUS *temp=NULL;

FFNEXUS *ptr=NULL;

std::fstream fffile;

std::string instr;

char fontname[128];

double f1,f2,f3;

std::string path_to_ffconf;

if(wmf_long_fflist)return;

path_to_ffconf=INKSCAPE_EXTENSIONDIR;

#ifdef WIN32

path_to_ffconf.append("\\fontfix.conf"); //Windows path syntax

#else

path_to_ffconf.append("/fontfix.conf"); //Unix/linx path syntax

#endif

//open the input

fffile.open(path_to_ffconf.c_str(), std::ios::in);

if(!fffile.is_open()){

g_error("Unable to open file: %s\n", path_to_ffconf.c_str());

// throw "boom";

}

char *oldlocale = g_strdup (setlocale (LC_NUMERIC, NULL));

setlocale (LC_NUMERIC, "C");

while (std::getline(fffile,instr)){

if (instr.empty()) {

continue;

}

if(instr[0]=='#'){

continue;

}

// not a comment, get the 4 values from the line

int elements=sscanf(instr.c_str(),"%6lf %6lf %6lf %127[^\n]",&f1,&f2,&f3, &fontname[0]);

if(elements!=4){

setlocale (LC_NUMERIC, oldlocale);

g_free (oldlocale);

fffile.close();

g_error("Expected \"f1 f2 f3 Fontname\" but did not find it in file: %s\n", path_to_ffconf.c_str());

// throw "boom";

}

temp=(FFNEXUS *) calloc(1,sizeof(FFNEXUS)); //This will never be freed

temp->f1=f1;

temp->f2=f2;

temp->f3=f3;

temp->fontname=strdup(fontname); //This will never be freed

temp->next=NULL; //just to be explicit, it is already 0

if(ptr){

ptr->next=temp;

ptr=temp;

}

else {

wmf_long_fflist=ptr=temp;

}

}

setlocale (LC_NUMERIC, oldlocale);

g_free (oldlocale);

fffile.close();

}

void PrintWmf::search_long_fflist(const char *fontname, double *f1, double *f2, double *f3){ //this is not called by any other source files

FFNEXUS *ptr=NULL;

FFNEXUS *tmp=wmf_long_fflist;

if(!wmf_long_fflist){

g_message("Programming error search_long_fflist called before read_system_fflist\n");

throw "boom";

}

ptr=wmf_long_fflist;

while(ptr){

if(!strcmp(ptr->fontname,fontname)){ tmp=ptr; break; }

ptr=ptr->next;

}

//tmp points at either the found name, or the default, the first entry in wmf_long_fflist

if(!wmf_short_fflist){

ptr=wmf_short_fflist=(FFNEXUS *) malloc(sizeof(FFNEXUS));

}

else {

ptr=wmf_short_fflist;

while(ptr->next){ ptr=ptr->next; }

ptr->next=(FFNEXUS *) malloc(sizeof(FFNEXUS));

ptr=ptr->next;

}

ptr->fontname=strdup(tmp->fontname);

*f1 = ptr->f1 = tmp->f1;

*f2 = ptr->f2 = tmp->f2;

*f3 = ptr->f3 = tmp->f3;

ptr->next=NULL;

}

void PrintWmf::search_short_fflist(const char *fontname, double *f1, double *f2, double *f3){ //this is not called by any other source files

FFNEXUS *ptr=NULL;

static FFNEXUS *last=NULL;

if(!wmf_long_fflist){

g_message("Programming error search_short_fflist called before read_system_fflist\n");

throw "boom";

}

// This speeds things up a lot - if the same font is called twice in a row, pull it out immediately

if(last && !strcmp(last->fontname,fontname)){ ptr=last; }

else { ptr=wmf_short_fflist; } // wmf_short_fflist may still be NULL

while(ptr){

if(!strcmp(ptr->fontname,fontname)){ *f1=ptr->f1; *f2=ptr->f2; *f3=ptr->f3; last=ptr; return; }

ptr=ptr->next;

}

//reach this point only if there is no match

search_long_fflist(fontname, f1, f2, f3);

}

void PrintWmf::smuggle_adxky_out(const char *string, int16_t **adx, double *ky, int *ndx, float scale){

float fdx;

int i;

int16_t *ladx;

const char *cptr=&string[strlen(string)+1]; // this works because of the first fake terminator

*adx = NULL;

*ky = 0.0; // set a default value

sscanf(cptr,"%7d",ndx);

if(!*ndx)return; // this could happen with an empty string

cptr += 7;

ladx = (int16_t *) malloc(*ndx * sizeof(int16_t) );

if(!ladx)throw "Out of memory";

*adx=ladx;

for(i=0; i<*ndx; i++,cptr+=7, ladx++){

sscanf(cptr,"%7f",&fdx);

*ladx=(int16_t) round(fdx * scale);

}

cptr++; // skip 2nd fake terminator

sscanf(cptr,"%7f",&fdx);

*ky=fdx;

}

U_COLORREF PrintWmf::gethexcolor(uint32_t color){

U_COLORREF out;

out = U_RGB(

(color >> 16) & 0xFF,

(color >> 8) & 0xFF,

(color >> 0) & 0xFF

);

return(out);

}

uint32_t PrintWmf::transweight(const unsigned int inkweight){

if(inkweight == SP_CSS_FONT_WEIGHT_400)return(U_FW_NORMAL);

if(inkweight == SP_CSS_FONT_WEIGHT_100)return(U_FW_THIN);

if(inkweight == SP_CSS_FONT_WEIGHT_200)return(U_FW_EXTRALIGHT);

if(inkweight == SP_CSS_FONT_WEIGHT_300)return(U_FW_LIGHT);

// 400 is tested first, as it is the most common case

if(inkweight == SP_CSS_FONT_WEIGHT_500)return(U_FW_MEDIUM);

if(inkweight == SP_CSS_FONT_WEIGHT_600)return(U_FW_SEMIBOLD);

if(inkweight == SP_CSS_FONT_WEIGHT_700)return(U_FW_BOLD);

if(inkweight == SP_CSS_FONT_WEIGHT_800)return(U_FW_EXTRABOLD);

if(inkweight == SP_CSS_FONT_WEIGHT_900)return(U_FW_HEAVY);

return(U_FW_NORMAL);

}

PrintWmf::PrintWmf (void)

{

// all of the class variables are initialized elsewhere, many in PrintWmf::Begin,

}

PrintWmf::~PrintWmf (void)

{

/* restore default signal handling for SIGPIPE */

#if !defined(_WIN32) && !defined(__WIN32__)

(void) signal(SIGPIPE, SIG_DFL);

#endif

return;

}

unsigned int PrintWmf::setup (Inkscape::Extension::Print * /*mod*/)

{

return TRUE;

}

unsigned int PrintWmf::begin (Inkscape::Extension::Print *mod, SPDocument *doc)

{

char *rec;

gchar const *utf8_fn = mod->get_param_string("destination");

FixPPTCharPos = mod->get_param_bool("FixPPTCharPos");

FixPPTDashLine = mod->get_param_bool("FixPPTDashLine");

FixPPTGrad2Polys = mod->get_param_bool("FixPPTGrad2Polys");

FixPPTPatternAsHatch = mod->get_param_bool("FixPPTPatternAsHatch");

(void) wmf_start(utf8_fn, 1000000, 250000, &wt); // Initialize the wt structure

(void) wmf_htable_create(128, 128, &wht); // Initialize the wht structure

// WMF header the only things that can be set are the page size in inches (w,h) and the dpi

// width and height in px

_width = doc->getWidth();

_height = doc->getHeight();

// initialize a few global variables

hbrush = hpen = 0;

use_stroke = use_fill = simple_shape = false;

Inkscape::XML::Node *nv = sp_repr_lookup_name (doc->rroot, "sodipodi:namedview");

if(nv){

const char *p1 = nv->attribute("pagecolor");

char *p2;

uint32_t lc = strtoul( &p1[1], &p2, 16 ); // it looks like "#ABC123"

if(*p2)lc=0;

gv.bgc = gethexcolor(lc);

gv.rgb[0] = (float) U_RGBAGetR(gv.bgc)/255.0;

gv.rgb[1] = (float) U_RGBAGetG(gv.bgc)/255.0;

gv.rgb[2] = (float) U_RGBAGetB(gv.bgc)/255.0;

}

bool pageBoundingBox;

pageBoundingBox = mod->get_param_bool("pageBoundingBox");

Geom::Rect d;

if (pageBoundingBox) {

d = Geom::Rect::from_xywh(0, 0, _width, _height);

} else {

SPItem* doc_item = doc->getRoot();

Geom::OptRect bbox = doc_item->desktopVisualBounds();

if (bbox) d = *bbox;

}

d *= Geom::Scale(IN_PER_PX); // 90 dpi inside inkscape, wmf file will be 1200 dpi

float dwInchesX = d.width();

float dwInchesY = d.height();

int dwPxX = round(d.width() *1200.0);

int dwPxY = round(d.height()*1200.0);

PU_PAIRF ps = U_PAIRF_set(dwInchesX, dwInchesY);

rec = U_WMRHEADER_set(ps,1200); // Example: drawing is A4 horizontal, 1200 dpi

if(!rec){

throw "Fatal programming error in PrintWmf::begin at WMRSETMAPMODE";

}

(void) wmf_header_append((PU_METARECORD)rec, wt, 1);

free(ps);

rec = U_WMRSETWINDOWEXT_set(point16_set( dwPxX, dwPxY));

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::begin at WMRSETWINDOWEXT";

}

rec = U_WMRSETWINDOWORG_set(point16_set(0,0));

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::begin at WMRSETWINDOWORG";

}

rec = U_WMRSETMAPMODE_set(U_MM_ANISOTROPIC);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::begin at WMRSETMAPMODE";

}

// bkmode never changes

rec = U_WMRSETBKMODE_set(U_TRANSPARENT);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::begin at U_WMRSETBKMODE";

}

hpolyfillmode=U_WINDING;

rec = U_WMRSETPOLYFILLMODE_set(U_WINDING);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::begin at U_WMRSETPOLYFILLMODE";

}

// Text alignment never changes

rec = U_WMRSETTEXTALIGN_set(U_TA_BASELINE | U_TA_LEFT);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::text at U_WMRSETTEXTALIGN_set";

}

htextcolor_rgb[0] = htextcolor_rgb[1] = htextcolor_rgb[2] = 0.0;

rec = U_WMRSETTEXTCOLOR_set(U_RGB(0,0,0));

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::text at U_WMRSETTEXTCOLOR_set";

}

rec = U_WMRSETROP2_set(U_R2_COPYPEN);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::begin at U_WMRSETROP2";

}

hmiterlimit=5;

rec = wmiterlimit_set(5);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::begin at wmiterlimit_set";

}

// create a pen as object 0. We never use it (except by mistake). Its purpose it to make all of the other object indices >=1

U_PEN up = U_PEN_set(U_PS_SOLID, 1, colorref_set(0,0,0));

uint32_t Pen;

rec = wcreatepenindirect_set(&Pen, wht, up);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::begin at wcreatepenindirect_set";

}

// create a null pen. If no specific pen is set, this is used

up = U_PEN_set(U_PS_NULL, 1, colorref_set(0,0,0));

rec = wcreatepenindirect_set(&hpen_null, wht, up);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::begin at wcreatepenindirect_set";

}

destroy_pen(); // make this pen active

// create a null brush. If no specific brush is set, this is used

U_WLOGBRUSH lb = U_WLOGBRUSH_set(U_BS_NULL, U_RGB(0, 0, 0), U_HS_HORIZONTAL);

rec = wcreatebrushindirect_set(&hbrush_null, wht, lb);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::begin at wcreatebrushindirect_set";

}

destroy_brush(); // make this brush active

return 0;

}

unsigned int PrintWmf::finish (Inkscape::Extension::Print * /*mod*/)

{

char *rec;

if (!wt) return 0;

// get rid of null brush

rec = wdeleteobject_set(&hbrush_null, wht);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::finish at wdeleteobject_set null brush";

}

// get rid of null pen

rec = wdeleteobject_set(&hpen_null, wht);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::finish at wdeleteobject_set null pen";

}

// get rid of object 0, which was a pen that was used to shift the other object indices to >=1.

hpen=0;

rec = wdeleteobject_set(&hpen, wht);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::finish at wdeleteobject_set filler object";

}

rec = U_WMREOF_set(); // generate the EOF record

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::finish";

}

(void) wmf_finish(wt); // Finalize and write out the WMF

wmf_free(&wt); // clean up

wmf_htable_free(&wht); // clean up

return 0;

}

unsigned int PrintWmf::comment (Inkscape::Extension::Print * /*module*/,

const char * /*comment*/)

{

if (!wt) return 0;

// earlier versions had flush of fill here, but it never executed and was removed

return 0;

}

void PrintWmf::hatch_classify(char *name, int *hatchType, U_COLORREF *hatchColor){

int val;

uint32_t hcolor=0;

// name should be EMFhatch or WMFhatch but *MFhatch will be accepted

if(0!=strncmp(&name[1],"MFhatch",7)){ return; } // not anything we can parse

name+=8; // WMFhatch already detected

val = 0;

while(*name && isdigit(*name)){

val = 10*val + *name - '0';

name++;

}

*hatchType = val;

if(*name != '_' || val > U_HS_DITHEREDBKCLR){ // wrong syntax, cannot classify

*hatchType = -1;

}

else {

name++;

if(1 != sscanf(name,"%X",&hcolor)){ *hatchType = -1; } // again wrong syntax, cannot classify

*hatchColor = gethexcolor(hcolor);

}

if(*hatchType > U_HS_SOLIDCLR)*hatchType = U_HS_SOLIDCLR;

}

void PrintWmf::brush_classify(SPObject *parent, int depth, GdkPixbuf **epixbuf, int *hatchType, U_COLORREF *hatchColor){

if(depth==0){

*epixbuf = NULL;

*hatchType = -1;

*hatchColor = U_RGB(0,0,0);

}

depth++;

// first look along the pattern chain, if there is one

if(SP_IS_PATTERN(parent)){

for (SPPattern *pat_i = SP_PATTERN(parent); pat_i != NULL; pat_i = pat_i->ref ? pat_i->ref->getObject() : NULL) {

if(SP_IS_IMAGE(pat_i)){

*epixbuf = ((SPImage *)pat_i)->pixbuf;

return;

}

char temp[32]; // large enough

temp[31]='\0';

strncpy(temp,pat_i->getAttribute("id"),31); // Some names may be longer than [EW]MFhatch#_######

hatch_classify(temp,hatchType,hatchColor);

if(*hatchType != -1)return;

// still looking? Look at this pattern's children, if there are any

SPObject *child = pat_i->firstChild();

while(child && !(*epixbuf) && (*hatchType == -1)){

brush_classify(child, depth, epixbuf, hatchType, hatchColor);

child = child->getNext();

}

}

}

else if(SP_IS_IMAGE(parent)){

*epixbuf = ((SPImage *)parent)->pixbuf;

return;

}

else { // some inkscape rearrangements pass through nodes between pattern and image which are not classified as either.

SPObject *child = parent->firstChild();

while(child && !(*epixbuf) && (*hatchType == -1)){

brush_classify(child, depth, epixbuf, hatchType, hatchColor);

child = child->getNext();

}

}

}

void PrintWmf::swapRBinRGBA(char *px, int pixels){

char tmp;

for(int i=0;i<pixels*4;px+=4,i+=4){

tmp=px[2];

px[2]=px[0];

px[0]=tmp;

}

}

inline float opweight(float v1, float v2, float op){

return v1*op + v2*(1.0-op);

}

U_COLORREF PrintWmf::avg_stop_color(SPGradient *gr){

U_COLORREF cr;

int last = gr->vector.stops.size() -1;

if(last>=1){

float rgbs[3];

float rgbe[3];

float ops,ope;

ops = gr->vector.stops[0 ].opacity;

ope = gr->vector.stops[last].opacity;

sp_color_get_rgb_floatv(&gr->vector.stops[0 ].color, rgbs);

sp_color_get_rgb_floatv(&gr->vector.stops[last].color, rgbe);

/* Replace opacity at start & stop with that fraction background color, then average those two for final color. */

cr = U_RGB(

255*(( opweight(rgbs[0],gv.rgb[0],ops) + opweight(rgbe[0],gv.rgb[0],ope) )/2.0),

255*(( opweight(rgbs[1],gv.rgb[1],ops) + opweight(rgbe[1],gv.rgb[1],ope) )/2.0),

255*(( opweight(rgbs[2],gv.rgb[2],ops) + opweight(rgbe[2],gv.rgb[2],ope) )/2.0)

);

}

else {

cr = U_RGB(0, 0, 0); // The default fill

}

return cr;

}

int PrintWmf::hold_gradient(void *gr, int mode){

gv.mode = mode;

gv.grad = gr;

if(mode==DRAW_RADIAL_GRADIENT){

SPRadialGradient *rg = (SPRadialGradient *) gr;

gv.r = rg->r.computed; // radius, but of what???

gv.p1 = Geom::Point(rg->cx.computed, rg->cy.computed); // center

gv.p2 = Geom::Point(gv.r, 0) + gv.p1; // xhandle

gv.p3 = Geom::Point(0, -gv.r) + gv.p1; // yhandle

if (rg->gradientTransform_set) {

gv.p1 = gv.p1 * rg->gradientTransform;

gv.p2 = gv.p2 * rg->gradientTransform;

gv.p3 = gv.p3 * rg->gradientTransform;

}

}

else if(mode==DRAW_LINEAR_GRADIENT){

SPLinearGradient *lg = (SPLinearGradient *) gr;

gv.r = 0; // unused

gv.p1 = Geom::Point (lg->x1.computed, lg->y1.computed); // start

gv.p2 = Geom::Point (lg->x2.computed, lg->y2.computed); // end

gv.p3 = Geom::Point (0, 0); // unused

if (lg->gradientTransform_set) {

gv.p1 = gv.p1 * lg->gradientTransform;

gv.p2 = gv.p2 * lg->gradientTransform;

}

}

else {

throw "Fatal programming error, hold_gradient() in wmf-print.cpp called with invalid draw mode";

}

return 1;

}

int PrintWmf::create_brush(SPStyle const *style, PU_COLORREF fcolor)

{

float rgb[3];

char *rec;

U_WLOGBRUSH lb;

uint32_t brush, fmode;

enum drawmode fill_mode;

GdkPixbuf *pixbuf;

uint32_t brushStyle;

int hatchType;

U_COLORREF hatchColor;

uint32_t width = 0; // quiets a harmless compiler warning, initialization not otherwise required.

uint32_t height = 0;

if (!wt) return 0;

// set a default fill in case we can't figure out a better way to do it

fmode = U_ALTERNATE;

fill_mode = DRAW_PAINT;

brushStyle = U_BS_SOLID;

hatchType = U_HS_SOLIDCLR;

if(fcolor){ hatchColor = *fcolor; }

else { hatchColor = U_RGB(0, 0, 0); }

if (!fcolor && style) {

if(style->fill.isColor()){

fill_mode = DRAW_PAINT;

float opacity = SP_SCALE24_TO_FLOAT(style->fill_opacity.value);

if (opacity <= 0.0)opacity = 0.0; // basically the same as no fill

sp_color_get_rgb_floatv( &style->fill.value.color, rgb );

hatchColor = U_RGB(255*rgb[0], 255*rgb[1], 255*rgb[2]);

fmode = style->fill_rule.computed == 0 ? U_WINDING : (style->fill_rule.computed == 2 ? U_ALTERNATE : U_ALTERNATE);

}

else if(SP_IS_PATTERN(SP_STYLE_FILL_SERVER(style))){ // must be paint-server

SPPaintServer *paintserver = style->fill.value.href->getObject();

SPPattern *pat = SP_PATTERN (paintserver);

double dwidth = pattern_width(pat);

double dheight = pattern_height(pat);

width = dwidth;

height = dheight;

brush_classify(pat,0,&pixbuf,&hatchType,&hatchColor);

if(pixbuf){ fill_mode = DRAW_IMAGE; }

else { // pattern

fill_mode = DRAW_PATTERN;

if(hatchType == -1){ // Not a standard hatch, so force it to something

hatchType = U_HS_CROSS;

hatchColor = U_RGB(0xFF,0xC3,0xC3);

}

}

if(FixPPTPatternAsHatch){

if(hatchType == -1){ // image or unclassified

fill_mode = DRAW_PATTERN;

hatchType = U_HS_DIAGCROSS;

hatchColor = U_RGB(0xFF,0xC3,0xC3);

}

}

brushStyle = U_BS_HATCHED;

}

else if(SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style))){ // must be a gradient

// currently we do not do anything with gradients, the code below just sets the color to the average of the stops

SPPaintServer *paintserver = style->fill.value.href->getObject();

SPLinearGradient *lg = NULL;

SPRadialGradient *rg = NULL;

if (SP_IS_LINEARGRADIENT (paintserver)) {

lg = SP_LINEARGRADIENT(paintserver);

SP_GRADIENT(lg)->ensureVector(); // when exporting from commandline, vector is not built

fill_mode = DRAW_LINEAR_GRADIENT;

}

else if (SP_IS_RADIALGRADIENT (paintserver)) {

rg = SP_RADIALGRADIENT(paintserver);

SP_GRADIENT(rg)->ensureVector(); // when exporting from commandline, vector is not built

fill_mode = DRAW_RADIAL_GRADIENT;

}

else {

// default fill

}

if(rg){

if(FixPPTGrad2Polys){ return hold_gradient(rg, fill_mode); }

else { hatchColor = avg_stop_color(rg); }

}

else if(lg){

if(FixPPTGrad2Polys){ return hold_gradient(lg, fill_mode); }

else { hatchColor = avg_stop_color(lg); }

}

}

}

else { // if (!style)

// default fill

}

lb = U_WLOGBRUSH_set(brushStyle, hatchColor, hatchType);

switch(fill_mode){

case DRAW_LINEAR_GRADIENT: // fill with average color unless gradients are converted to slices

case DRAW_RADIAL_GRADIENT: // ditto

case DRAW_PAINT:

case DRAW_PATTERN:

rec = wcreatebrushindirect_set(&brush, wht, lb);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::create_brush at createbrushindirect_set";

}

break;

case DRAW_IMAGE:

char *px;

char *rgba_px;

uint32_t cbPx;

uint32_t colortype;

PU_RGBQUAD ct;

int numCt;

U_BITMAPINFOHEADER Bmih;

PU_BITMAPINFO Bmi;

rgba_px = (char *) gdk_pixbuf_get_pixels(pixbuf); // Do NOT free this!!!

colortype = U_BCBM_COLOR32;

(void) RGBA_to_DIB(&px, &cbPx, &ct, &numCt, rgba_px, width, height, width*4, colortype, 0, 1);

// Not sure why the next swap is needed because the preceding does it, and the code is identical

// to that in stretchdibits_set, which does not need this.

swapRBinRGBA(px, width*height);

Bmih = bitmapinfoheader_set(width, height, 1, colortype, U_BI_RGB, 0, PXPERMETER, PXPERMETER, numCt, 0);

Bmi = bitmapinfo_set(Bmih, ct);

rec = wcreatedibpatternbrush_srcdib_set(&brush, wht, U_DIB_RGB_COLORS, Bmi, cbPx, px);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::create_brush at createdibpatternbrushpt_set";

}

free(px);

free(Bmi); // ct will be NULL because of colortype

break;

}

hbrush = brush; // need this later for destroy_brush

rec = wselectobject_set(brush, wht);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::create_brush at wselectobject_set";

}

if(fmode != hpolyfillmode){

hpolyfillmode=fmode;

rec = U_WMRSETPOLYFILLMODE_set(fmode);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::create_brush at U_WMRSETPOLYFILLMODE_set";

}

}

return 0;

}

void PrintWmf::destroy_brush()

{

char *rec;

// WMF lets any object be deleted whenever, and the chips fall where they may...

if (hbrush){

rec = wdeleteobject_set(&hbrush, wht);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::destroy_brush";

}

hbrush = 0;

}

// (re)select the null brush

rec = wselectobject_set(hbrush_null, wht);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::destroy_brush";

}

}

int PrintWmf::create_pen(SPStyle const *style, const Geom::Affine &transform)

{

char *rec = NULL;

uint32_t pen;

uint32_t penstyle;

U_COLORREF penColor;

U_PEN up;

int modstyle;

if (!wt) return 0;

// set a default stroke in case we can't figure out a better way to do it

penstyle = U_PS_SOLID;

modstyle = 0;

penColor = U_RGB(0, 0, 0);

uint32_t linewidth = 1;

if (style) { // override some or all of the preceding

float rgb[3];

// WMF does not support hatched, bitmap, or gradient pens, just set the color.

sp_color_get_rgb_floatv( &style->stroke.value.color, rgb );

penColor = U_RGB(255*rgb[0], 255*rgb[1], 255*rgb[2]);

using Geom::X;

using Geom::Y;

Geom::Point zero(0, 0);

Geom::Point one(1, 1);

Geom::Point p0(zero * transform);

Geom::Point p1(one * transform);

Geom::Point p(p1 - p0);

double scale = sqrt( (p[X]*p[X]) + (p[Y]*p[Y]) ) / sqrt(2);

if(!style->stroke_width.computed){return 0;} //if width is 0 do not (reset) the pen, it should already be NULL_PEN

linewidth = MAX( 1, (uint32_t) (scale * style->stroke_width.computed * PX2WORLD) );

// most WMF readers will ignore linecap and linejoin, but set them anyway. Inkscape itself can read them back in.

if (style->stroke_linecap.computed == 0) { modstyle |= U_PS_ENDCAP_FLAT; }

else if (style->stroke_linecap.computed == 1) { modstyle |= U_PS_ENDCAP_ROUND; }

else { modstyle |= U_PS_ENDCAP_SQUARE; }

if (style->stroke_linejoin.computed == 0) {

float miterlimit = style->stroke_miterlimit.value; // This is a ratio.

if (miterlimit < 1)miterlimit = 1;

// most WMF readers will ignore miterlimit, but set it anyway. Inkscape itself can read it back in

if((uint32_t)miterlimit != hmiterlimit){

hmiterlimit = (uint32_t)miterlimit;

rec = wmiterlimit_set((uint32_t) miterlimit);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::create_pen at wmiterlimit_set";

}

}

modstyle |= U_PS_JOIN_MITER; }

else if (style->stroke_linejoin.computed == 1) { modstyle |= U_PS_JOIN_ROUND; }

else { modstyle |= U_PS_JOIN_BEVEL; }

if (style->stroke_dash.n_dash &&

style->stroke_dash.dash )

{

if(!FixPPTDashLine){ // if this is set code elsewhere will break dots/dashes into many smaller lines.

penstyle = U_PS_DASH;// userstyle not supported apparently, for now map all Inkscape dot/dash to just dash

}

}

}

up = U_PEN_set(penstyle | modstyle, linewidth, penColor);

rec = wcreatepenindirect_set(&pen, wht, up);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::create_pen at wcreatepenindirect_set";

}

rec = wselectobject_set(pen, wht);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::create_pen at wselectobject_set";

}

hpen = pen; // need this later for destroy_pen

return 0;

}

void PrintWmf::destroy_pen()

{

char *rec = NULL;

// WMF lets any object be deleted whenever, and the chips fall where they may...

if (hpen){

rec = wdeleteobject_set(&hpen, wht);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::destroy_pen";

}

hpen = 0;

}

// (re)select the null pen

rec = wselectobject_set(hpen_null, wht);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::destroy_pen";

}

}

unsigned int PrintWmf::bind(Inkscape::Extension::Print * /*mod*/, Geom::Affine const &transform, float /*opacity*/)

{

if (!m_tr_stack.empty()) {

Geom::Affine tr_top = m_tr_stack.top();

m_tr_stack.push(transform * tr_top);

} else {

m_tr_stack.push(transform);

}

return 1;

}

unsigned int PrintWmf::release(Inkscape::Extension::Print * /*mod*/)

{

m_tr_stack.pop();

return 1;

}

#define clrweight(a,b,t) ((1-t)*((double) a) + (t)*((double) b))

inline U_COLORREF PrintWmf::weight_opacity(U_COLORREF c1){

float opa = c1.Reserved/255.0;

U_COLORREF result = U_RGB(

255*opweight((float)c1.Red /255.0, gv.rgb[0], opa),

255*opweight((float)c1.Green/255.0, gv.rgb[1], opa),

255*opweight((float)c1.Blue /255.0, gv.rgb[2], opa)

);

return result;

}

U_COLORREF PrintWmf::weight_colors(U_COLORREF c1, U_COLORREF c2, double t){

U_COLORREF result;

result.Red = clrweight(c1.Red, c2.Red, t);

result.Green = clrweight(c1.Green, c2.Green, t);

result.Blue = clrweight(c1.Blue, c2.Blue, t);

result.Reserved = clrweight(c1.Reserved, c2.Reserved, t);

// now handle the opacity, mix the RGB with background at the weighted opacity

if(result.Reserved != 255)result = weight_opacity(result);

return result;

}

Geom::PathVector PrintWmf::center_ellipse_as_SVG_PathV(Geom::Point ctr, double rx, double ry, double F){

using Geom::X;

using Geom::Y;

double x1,y1,x2,y2;

Geom::Path SVGep;

x1 = ctr[X] + cos(F) * rx * cos(0) + sin(-F) * ry * sin(0);

y1 = ctr[Y] + sin(F) * rx * cos(0) + cos(F) * ry * sin(0);

x2 = ctr[X] + cos(F) * rx * cos(M_PI) + sin(-F) * ry * sin(M_PI);

y2 = ctr[Y] + sin(F) * rx * cos(M_PI) + cos(F) * ry * sin(M_PI);

char text[256];

sprintf(text," M %f,%f A %f %f %f 0 0 %f %f A %f %f %f 0 0 %f %f z",x1,y1, rx,ry,F*360./(2.*M_PI),x2,y2, rx,ry,F*360./(2.*M_PI),x1,y1);

std::vector<Geom::Path> outres = Geom::parse_svg_path(text);

return outres;

}

Geom::PathVector PrintWmf::center_elliptical_ring_as_SVG_PathV(Geom::Point ctr, double rx1, double ry1, double rx2, double ry2, double F){

using Geom::X;

using Geom::Y;

double x11,y11,x12,y12;

double x21,y21,x22,y22;

double degrot = F*360./(2.*M_PI);

x11 = ctr[X] + cos(F) * rx1 * cos(0) + sin(-F) * ry1 * sin(0);

y11 = ctr[Y] + sin(F) * rx1 * cos(0) + cos(F) * ry1 * sin(0);

x12 = ctr[X] + cos(F) * rx1 * cos(M_PI) + sin(-F) * ry1 * sin(M_PI);

y12 = ctr[Y] + sin(F) * rx1 * cos(M_PI) + cos(F) * ry1 * sin(M_PI);

x21 = ctr[X] + cos(F) * rx2 * cos(0) + sin(-F) * ry2 * sin(0);

y21 = ctr[Y] + sin(F) * rx2 * cos(0) + cos(F) * ry2 * sin(0);

x22 = ctr[X] + cos(F) * rx2 * cos(M_PI) + sin(-F) * ry2 * sin(M_PI);

y22 = ctr[Y] + sin(F) * rx2 * cos(M_PI) + cos(F) * ry2 * sin(M_PI);

char text[512];

sprintf(text," M %f,%f A %f %f %f 0 1 %f %f A %f %f %f 0 1 %f %f z M %f,%f A %f %f %f 0 0 %f %f A %f %f %f 0 0 %f %f z",

x11,y11, rx1,ry1,degrot,x12,y12, rx1,ry1,degrot,x11,y11,

x21,y21, rx2,ry2,degrot,x22,y22, rx2,ry2,degrot,x21,y21);

std::vector<Geom::Path> outres = Geom::parse_svg_path(text);

return outres;

}

Geom::PathVector PrintWmf::center_elliptical_hole_as_SVG_PathV(Geom::Point ctr, double rx, double ry, double F){

using Geom::X;

using Geom::Y;

double x1,y1,x2,y2;

Geom::Path SVGep;

x1 = ctr[X] + cos(F) * rx * cos(0) + sin(-F) * ry * sin(0);

y1 = ctr[Y] + sin(F) * rx * cos(0) + cos(F) * ry * sin(0);

x2 = ctr[X] + cos(F) * rx * cos(M_PI) + sin(-F) * ry * sin(M_PI);

y2 = ctr[Y] + sin(F) * rx * cos(M_PI) + cos(F) * ry * sin(M_PI);

char text[256];

sprintf(text," M %f,%f A %f %f %f 0 0 %f %f A %f %f %f 0 0 %f %f z M 50000,50000 50000,-50000 -50000,-50000 -50000,50000 z",

x1,y1, rx,ry,F*360./(2.*M_PI),x2,y2, rx,ry,F*360./(2.*M_PI),x1,y1);

std::vector<Geom::Path> outres = Geom::parse_svg_path(text);

return outres;

}

Geom::PathVector PrintWmf::rect_cutter(Geom::Point ctr, Geom::Point pos, Geom::Point neg, Geom::Point width){

std::vector<Geom::Path> outres;

Geom::Path cutter;

cutter.start( ctr + pos - width);

cutter.appendNew<Geom::LineSegment>(ctr + pos + width);

cutter.appendNew<Geom::LineSegment>(ctr + neg + width);

cutter.appendNew<Geom::LineSegment>(ctr + neg - width);

cutter.close();

outres.push_back(cutter);

return outres;

}

FillRule PrintWmf::SPWR_to_LVFR(SPWindRule wr){

FillRule fr;

if(wr == SP_WIND_RULE_EVENODD){

fr = fill_oddEven;

}

else {

fr = fill_nonZero;

}

return fr;

}

unsigned int PrintWmf::fill(Inkscape::Extension::Print * /*mod*/,

Geom::PathVector const &pathv, Geom::Affine const & /*transform*/, SPStyle const *style,

Geom::OptRect const &/*pbox*/, Geom::OptRect const &/*dbox*/, Geom::OptRect const &/*bbox*/)

{

using Geom::X;

using Geom::Y;

Geom::Affine tf = m_tr_stack.top();

use_fill = true;

use_stroke = false;

fill_transform = tf;

if (create_brush(style, NULL)){

/*

destroy_pen(); //this sets the NULL_PEN, otherwise gradient slices may display with boundaries, see longer explanation below

Geom::Path cutter;

float rgb[3];

U_COLORREF wc,c1,c2;

FillRule frb = SPWR_to_LVFR( (SPWindRule) style->fill_rule.computed);

double doff,doff_base,doff_range;

double divisions= 128.0;

int nstops;

int istop = 1;

float opa; // opacity at stop

SPRadialGradient *tg = (SPRadialGradient *) (gv.grad); // linear/radial are the same here

nstops = tg->vector.stops.size();

sp_color_get_rgb_floatv(&tg->vector.stops[0].color, rgb);

opa = tg->vector.stops[0].opacity;

c1 = U_RGBA( 255*rgb[0], 255*rgb[1], 255*rgb[2], 255*opa );

sp_color_get_rgb_floatv(&tg->vector.stops[nstops-1].color, rgb);

opa = tg->vector.stops[nstops-1].opacity;

c2 = U_RGBA( 255*rgb[0], 255*rgb[1], 255*rgb[2], 255*opa );

doff = 0.0;

doff_base = 0.0;

doff_range = tg->vector.stops[1].offset; // next or last stop

if(gv.mode==DRAW_RADIAL_GRADIENT){

Geom::Point xv = gv.p2 - gv.p1; // X' vector

Geom::Point yv = gv.p3 - gv.p1; // Y' vector

Geom::Point xuv = Geom::unit_vector(xv); // X' unit vector

double rx = hypot(xv[X],xv[Y]);

double ry = hypot(yv[X],yv[Y]);

double range = fmax(rx,ry); // length along the gradient

double step = range/divisions; // adequate approximation for gradient

double overlap = step/4.0; // overlap slices slightly

double start;

double stop;

Geom::PathVector pathvc, pathvr;

/* radial gradient might stop part way through the shape, fill with outer color from there to "infinity".

pathvc = center_elliptical_hole_as_SVG_PathV(gv.p1, rx*(1.0 - overlap/range), ry*(1.0 - overlap/range), asin(xuv[Y]));

pathvr = sp_pathvector_boolop(pathvc, pathv, bool_op_inters, (FillRule) fill_oddEven, frb);

wc = weight_opacity(c2);

(void) create_brush(style, &wc);

print_pathv(pathvr, fill_transform);

sp_color_get_rgb_floatv(&tg->vector.stops[istop].color, rgb);

opa = tg->vector.stops[istop].opacity;

c2 = U_RGBA( 255*rgb[0], 255*rgb[1], 255*rgb[2], 255*opa );

for(start = 0.0; start < range; start += step, doff += 1./divisions){

stop = start + step + overlap;

if(stop > range)stop=range;

wc = weight_colors(c1, c2, (doff - doff_base)/(doff_range-doff_base) );

(void) create_brush(style, &wc);

pathvc = center_elliptical_ring_as_SVG_PathV(gv.p1, rx*start/range, ry*start/range, rx*stop/range, ry*stop/range, asin(xuv[Y]));

pathvr = sp_pathvector_boolop(pathvc, pathv, bool_op_inters, (FillRule) fill_nonZero, frb);

print_pathv(pathvr, fill_transform); // show the intersection

if(doff >= doff_range - doff_base){

istop++;

if(istop >= nstops)continue; // could happen on a rounding error

doff_base = doff_range;

doff_range = tg->vector.stops[istop].offset; // next or last stop

c1=c2;

sp_color_get_rgb_floatv(&tg->vector.stops[istop].color, rgb);

opa = tg->vector.stops[istop].opacity;

c2 = U_RGBA( 255*rgb[0], 255*rgb[1], 255*rgb[2], 255*opa );

}

}

}

else if(gv.mode == DRAW_LINEAR_GRADIENT){

Geom::Point uv = Geom::unit_vector(gv.p2 - gv.p1); // unit vector

Geom::Point puv = uv.cw(); // perp. to unit vector

double range = Geom::distance(gv.p1,gv.p2); // length along the gradient

double step = range/divisions; // adequate approximation for gradient

double overlap = step/4.0; // overlap slices slightly

double start;

double stop;

Geom::PathVector pathvc, pathvr;

/* before lower end of gradient, overlap first slice position */

wc = weight_opacity(c1);

(void) create_brush(style, &wc);

pathvc = rect_cutter(gv.p1, uv*(overlap), uv*(-50000.0), puv*50000.0);

pathvr = sp_pathvector_boolop(pathvc, pathv, bool_op_inters, (FillRule) fill_nonZero, frb);

print_pathv(pathvr, fill_transform);

/* after high end of gradient, overlap last slice poosition */

wc = weight_opacity(c2);

(void) create_brush(style, &wc);

pathvc = rect_cutter(gv.p2, uv*(-overlap), uv*(50000.0), puv*50000.0);

pathvr = sp_pathvector_boolop(pathvc, pathv, bool_op_inters, (FillRule) fill_nonZero, frb);

print_pathv(pathvr, fill_transform);

sp_color_get_rgb_floatv(&tg->vector.stops[istop].color, rgb);

opa = tg->vector.stops[istop].opacity;

c2 = U_RGBA( 255*rgb[0], 255*rgb[1], 255*rgb[2], 255*opa );

for(start = 0.0; start < range; start += step, doff += 1./divisions){

stop = start + step + overlap;

if(stop > range)stop=range;

pathvc = rect_cutter(gv.p1, uv*start, uv*stop, puv*50000.0);

wc = weight_colors(c1, c2, (doff - doff_base)/(doff_range-doff_base) );

(void) create_brush(style, &wc);

Geom::PathVector pathvr = sp_pathvector_boolop(pathvc, pathv, bool_op_inters, (FillRule) fill_nonZero, frb);

print_pathv(pathvr, fill_transform); // show the intersection

if(doff >= doff_range - doff_base){

istop++;

if(istop >= nstops)continue; // could happen on a rounding error

doff_base = doff_range;

doff_range = tg->vector.stops[istop].offset; // next or last stop

c1=c2;

sp_color_get_rgb_floatv(&tg->vector.stops[istop].color, rgb);

opa = tg->vector.stops[istop].opacity;

c2 = U_RGBA( 255*rgb[0], 255*rgb[1], 255*rgb[2], 255*opa );

}

}

}

else {

throw "Fatal programming error in PrintWmf::fill, invalid gradient type detected";

}

use_fill = false; // gradients handled, be sure stroke does not use stroke and fill

}

else {

/*

if (style->stroke.noneSet || style->stroke_width.computed == 0.0){

destroy_pen(); //this sets the NULL_PEN

}

/* postpone fill in case stroke also required AND all stroke paths closed

bool all_closed = true;

for (Geom::PathVector::const_iterator pit = pathv.begin(); pit != pathv.end(); ++pit){

for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_open(); ++cit){

if (pit->end_default() != pit->end_closed()) { all_closed=false; }

}

}

if (

(style->stroke.noneSet || style->stroke_width.computed == 0.0) ||

(style->stroke_dash.n_dash && style->stroke_dash.dash && FixPPTDashLine) ||

!all_closed

)

{

print_pathv(pathv, fill_transform); // do any fills. side effect: clears fill_pathv

use_fill = false;

}

}

return 0;

}

unsigned int PrintWmf::stroke (Inkscape::Extension::Print * /*mod*/,

Geom::PathVector const &pathv, const Geom::Affine &/*transform*/, const SPStyle *style,

Geom::OptRect const &/*pbox*/, Geom::OptRect const &/*dbox*/, Geom::OptRect const &/*bbox*/)

{

Geom::Affine tf = m_tr_stack.top();

use_stroke = true;

// use_fill was set in ::fill, if it is needed, if not, the null brush is used, it should be already set

if (create_pen(style, tf))return 0;

if (style->stroke_dash.n_dash && style->stroke_dash.dash && FixPPTDashLine ){

// convert the path, gets its complete length, and then make a new path with parameter length instead of t

Geom::Piecewise<Geom::D2<Geom::SBasis> > tmp_pathpw; // pathv-> sbasis

Geom::Piecewise<Geom::D2<Geom::SBasis> > tmp_pathpw2; // sbasis using arc length parameter

Geom::Piecewise<Geom::D2<Geom::SBasis> > tmp_pathpw3; // new (discontinuous) path, composed of dots/dashes

Geom::Piecewise<Geom::D2<Geom::SBasis> > first_frag; // first fragment, will be appended at end

int n_dash = style->stroke_dash.n_dash;

int i=0; //dash index

double tlength; // length of tmp_pathpw

double slength=0.0; // start of gragment

double elength; // end of gragment

for (unsigned int i=0; i < pathv.size(); i++) {

tmp_pathpw.concat(pathv[i].toPwSb());

}

tlength = length(tmp_pathpw,0.1);

tmp_pathpw2 = arc_length_parametrization(tmp_pathpw);

// go around the dash array repeatedly until the entire path is consumed (but not beyond).

while(slength < tlength){

elength = slength + style->stroke_dash.dash[i++];

if(elength > tlength)elength = tlength;

Geom::Piecewise<Geom::D2<Geom::SBasis> > fragment(portion(tmp_pathpw2, slength, elength));

if(slength){ tmp_pathpw3.concat(fragment); }

else { first_frag = fragment; }

slength = elength;

slength += style->stroke_dash.dash[i++]; // the gap

if(i>=n_dash)i=0;

}

tmp_pathpw3.concat(first_frag); // may merge line around start point

Geom::PathVector out_pathv = Geom::path_from_piecewise(tmp_pathpw3, 0.01);

print_pathv(out_pathv, tf);

}

else {

print_pathv(pathv, tf);

}

use_stroke = false;

use_fill = false;

return 0;

}

bool PrintWmf::print_simple_shape(Geom::PathVector const &pathv, const Geom::Affine &transform)

{

Geom::PathVector pv = pathv_to_linear( pathv * transform, MAXDISP );

int nodes = 0;

int moves = 0;

int lines = 0;

int curves = 0;

char *rec = NULL;

for (Geom::PathVector::const_iterator pit = pv.begin(); pit != pv.end(); ++pit)

{

moves++;

nodes++;

for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_open(); ++cit)

{

nodes++;

if ( is_straight_curve(*cit) ) {

lines++;

}

else if (Geom::CubicBezier const *cubic = dynamic_cast<Geom::CubicBezier const*>(&*cit)) {

cubic = cubic;

curves++;

}

}

}

if (!nodes)

return false;

U_POINT16 *lpPoints = new U_POINT16[moves + lines + curves*3];

int i = 0;

/**

for (Geom::PathVector::const_iterator pit = pv.begin(); pit != pv.end(); ++pit)

{

using Geom::X;

using Geom::Y;

Geom::Point p0 = pit->initialPoint();

p0[X] = (p0[X] * PX2WORLD);

p0[Y] = (p0[Y] * PX2WORLD);

int32_t const x0 = (int32_t) round(p0[X]);

int32_t const y0 = (int32_t) round(p0[Y]);

lpPoints[i].x = x0;

lpPoints[i].y = y0;

i = i + 1;

/**

for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_open(); ++cit)

{

if ( is_straight_curve(*cit) )

{

//Geom::Point p0 = cit->initialPoint();

Geom::Point p1 = cit->finalPoint();

//p0[X] = (p0[X] * PX2WORLD);

p1[X] = (p1[X] * PX2WORLD);

//p0[Y] = (p0[Y] * PX2WORLD);

p1[Y] = (p1[Y] * PX2WORLD);

//int32_t const x0 = (int32_t) round(p0[X]);

//int32_t const y0 = (int32_t) round(p0[Y]);

int32_t const x1 = (int32_t) round(p1[X]);

int32_t const y1 = (int32_t) round(p1[Y]);

lpPoints[i].x = x1;

lpPoints[i].y = y1;

i = i + 1;

}

else if (Geom::CubicBezier const *cubic = dynamic_cast<Geom::CubicBezier const*>(&*cit))

{

std::vector<Geom::Point> points = cubic->points();

//Geom::Point p0 = points[0];

Geom::Point p1 = points[1];

Geom::Point p2 = points[2];

Geom::Point p3 = points[3];

//p0[X] = (p0[X] * PX2WORLD);

p1[X] = (p1[X] * PX2WORLD);

p2[X] = (p2[X] * PX2WORLD);

p3[X] = (p3[X] * PX2WORLD);

//p0[Y] = (p0[Y] * PX2WORLD);

p1[Y] = (p1[Y] * PX2WORLD);

p2[Y] = (p2[Y] * PX2WORLD);

p3[Y] = (p3[Y] * PX2WORLD);

//int32_t const x0 = (int32_t) round(p0[X]);

//int32_t const y0 = (int32_t) round(p0[Y]);

int32_t const x1 = (int32_t) round(p1[X]);

int32_t const y1 = (int32_t) round(p1[Y]);

int32_t const x2 = (int32_t) round(p2[X]);

int32_t const y2 = (int32_t) round(p2[Y]);

int32_t const x3 = (int32_t) round(p3[X]);

int32_t const y3 = (int32_t) round(p3[Y]);

lpPoints[i].x = x1;

lpPoints[i].y = y1;

lpPoints[i+1].x = x2;

lpPoints[i+1].y = y2;

lpPoints[i+2].x = x3;

lpPoints[i+2].y = y3;

i = i + 3;

}

}

}

bool done = false;

bool closed = (lpPoints[0].x == lpPoints[i-1].x) && (lpPoints[0].y == lpPoints[i-1].y);

bool polygon = false;

bool rectangle = false;

bool ellipse = false;

if (moves == 1 && moves+lines == nodes && closed) {

polygon = true;

}

else if (moves == 1 && nodes == 5 && moves+curves == nodes && closed) {

}

if (polygon || ellipse) {

// pens and brushes already set by caller, do not touch them

if (polygon) {

if (rectangle){

U_RECT16 rcl = U_RECT16_set((U_POINT16) {lpPoints[0].x, lpPoints[0].y}, (U_POINT16) {lpPoints[2].x, lpPoints[2].y});

rec = U_WMRRECTANGLE_set(rcl);

}

else {

rec = U_WMRPOLYGON_set(nodes, lpPoints);

}

}

else if (ellipse) {

U_RECT16 rcl = U_RECT16_set((U_POINT16) {lpPoints[6].x, lpPoints[3].y}, (U_POINT16) {lpPoints[0].x, lpPoints[9].y});

rec = U_WMRELLIPSE_set(rcl);

}

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::print_simple_shape at retangle/ellipse/polygon";

}

done = true;

}

delete[] lpPoints;

return done;

}

unsigned int PrintWmf::image(Inkscape::Extension::Print * /* module */, /** not used */

unsigned char *rgba_px, /** array of pixel values, Gdk::Pixbuf bitmap format */

unsigned int w, /** width of bitmap */

unsigned int h, /** height of bitmap */

unsigned int rs, /** row stride (normally w*4) */

Geom::Affine const &tf_ignore, /** WRONG affine transform, use the one from m_tr_stack */

SPStyle const *style) /** provides indirect link to image object */

{

double x1,y1,dw,dh;

char *rec = NULL;

Geom::Affine tf = m_tr_stack.top();

rec = U_WMRSETSTRETCHBLTMODE_set(U_COLORONCOLOR);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::image at EMRHEADER";

}

x1= atof(style->object->getAttribute("x"));

y1= atof(style->object->getAttribute("y"));

dw= atof(style->object->getAttribute("width"));

dh= atof(style->object->getAttribute("height"));

Geom::Point pLL(x1,y1);

Geom::Point pLL2 = pLL * tf; //location of LL corner in Inkscape coordinates

char *px;

uint32_t cbPx;

uint32_t colortype;

PU_RGBQUAD ct;

int numCt;

U_BITMAPINFOHEADER Bmih;

PU_BITMAPINFO Bmi;

colortype = U_BCBM_COLOR32;

(void) RGBA_to_DIB(&px, &cbPx, &ct, &numCt, (char *) rgba_px, w, h, w*4, colortype, 0, 1);

Bmih = bitmapinfoheader_set(w, h, 1, colortype, U_BI_RGB, 0, PXPERMETER, PXPERMETER, numCt, 0);

Bmi = bitmapinfo_set(Bmih, ct);

U_POINT16 Dest = point16_set(round(pLL2[Geom::X] * PX2WORLD), round(pLL2[Geom::Y] * PX2WORLD));

U_POINT16 cDest = point16_set(round(dw * PX2WORLD), round(dh * PX2WORLD));

U_POINT16 Src = point16_set(0,0);

U_POINT16 cSrc = point16_set(w,h);

rec = U_WMRSTRETCHDIB_set(

Dest, //! Destination UL corner in logical units

cDest, //! Destination W & H in logical units

Src, //! Source UL corner in logical units

cSrc, //! Source W & H in logical units

U_DIB_RGB_COLORS, //! DIBColors Enumeration

U_SRCCOPY, //! RasterOPeration Enumeration

Bmi, //! (Optional) bitmapbuffer (U_BITMAPINFO section)

h*rs, //! size in bytes of px

px //! (Optional) bitmapbuffer (U_BITMAPINFO section)

);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::image at U_WMRSTRETCHDIB_set";

}

free(px);

free(Bmi);

if(numCt)free(ct);

return 0;

}

unsigned int PrintWmf::print_pathv(Geom::PathVector const &pathv, const Geom::Affine &transform)

{

char *rec = NULL;

PU_POINT16 pt16hold, pt16ptr;

uint16_t *n16hold;

uint16_t *n16ptr;

simple_shape = print_simple_shape(pathv, transform);

if (!simple_shape && !pathv.empty()){

// WMF does not have beziers, need to convert to ONLY linears with something like this:

Geom::PathVector pv = pathv_to_linear( pathv * transform, MAXDISP );

/**

/* If the path consists entirely of closed subpaths use polypolygon, for all paths. Otherwise use

int nPolys=0;

int totPoints = 0;

for (Geom::PathVector::const_iterator pit = pv.begin(); pit != pv.end(); ++pit)

{

totPoints += 1 + pit->size_default(); // big array, will hold all points, for all polygons. Size_default ignores first point in each path.

if (pit->end_default() == pit->end_closed()) { nPolys++; }

else { nPolys=0; break; }

}

if(nPolys){ // a single polypolygon

pt16hold = pt16ptr = (PU_POINT16) malloc(totPoints * sizeof(U_POINT16));

if(!pt16ptr)return(false);

n16hold = n16ptr = (uint16_t *) malloc(nPolys * sizeof(uint16_t));

if(!n16ptr){ free(pt16hold); return(false); }

for (Geom::PathVector::const_iterator pit = pv.begin(); pit != pv.end(); ++pit)

{

using Geom::X;

using Geom::Y;

*n16ptr++ = 1 + pit->size_default(); // points in the subpath

/**

Geom::Point p1 = pit->initialPoint(); // This point is special, it isn't in the interator

p1[X] = (p1[X] * PX2WORLD);

p1[Y] = (p1[Y] * PX2WORLD);

*pt16ptr++ = point16_set((int32_t) round(p1[X]), (int32_t) round(p1[Y]));

for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_default(); ++cit)

{

Geom::Point p1 = cit->finalPoint();

p1[X] = (p1[X] * PX2WORLD);

p1[Y] = (p1[Y] * PX2WORLD);

*pt16ptr++ = point16_set((int32_t) round(p1[X]), (int32_t) round(p1[Y]));

}

}

rec = U_WMRPOLYPOLYGON_set(nPolys, n16hold,pt16hold);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::print_pathv at U_WMRPOLYPOLYGON_set";

}

free(pt16hold);

free(n16hold);

}

else { // one or more polyline or polygons (but not all polygons, that would be the preceding case)

for (Geom::PathVector::const_iterator pit = pv.begin(); pit != pv.end(); ++pit)

{

using Geom::X;

using Geom::Y;

/* Figure out how many points there are, make an array big enough to hold them, and store

int nPoints = 1 + pit->size_default();

pt16hold = pt16ptr = (PU_POINT16) malloc(nPoints * sizeof(U_POINT16));

if(!pt16ptr)break;

/**

Geom::Point p1 = pit->initialPoint(); // This point is special, it isn't in the interator

p1[X] = (p1[X] * PX2WORLD);

p1[Y] = (p1[Y] * PX2WORLD);

*pt16ptr++ = point16_set((int32_t) round(p1[X]), (int32_t) round(p1[Y]));

for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_default(); ++cit)

{

Geom::Point p1 = cit->finalPoint();

p1[X] = (p1[X] * PX2WORLD);

p1[Y] = (p1[Y] * PX2WORLD);

*pt16ptr++ = point16_set((int32_t) round(p1[X]), (int32_t) round(p1[Y]));

}

if (pit->end_default() == pit->end_closed()) { rec = U_WMRPOLYGON_set(nPoints, pt16hold); }

else { rec = U_WMRPOLYLINE_set(nPoints, pt16hold); }

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::print_pathv at U_WMRPOLYGON/POLYLINE_set";

}

free(pt16hold);

}

}

}

// WMF has no fill or stroke commands, the draw does it with active pen/brush

// clean out brush and pen, but only after all parts of the draw complete

if (use_fill){ destroy_brush(); }

if (use_stroke){ destroy_pen(); }

return TRUE;

}

bool PrintWmf::textToPath(Inkscape::Extension::Print * ext)

{

return ext->get_param_bool("textToPath");

}

unsigned int PrintWmf::text(Inkscape::Extension::Print * /*mod*/, char const *text, Geom::Point const &p,

SPStyle const *const style)

{

if (!wt) return 0;

char *rec = NULL;

int ccount,newfont;

int fix90n=0;

uint32_t hfont = 0;

Geom::Affine tf = m_tr_stack.top();

double rot = -1800.0*std::atan2(tf[1], tf[0])/M_PI; // 0.1 degree rotation, - sign for MM_TEXT

double rotb = -std::atan2(tf[1], tf[0]); // rotation for baseline offset for superscript/subscript, used below

double dx,dy;

double f1,f2,f3;

double ky;

// the dx array is smuggled in like: text<nul>w1 w2 w3 ...wn<nul><nul>, where the widths are floats 7 characters wide, including the space

int ndx;

int16_t *adx;

smuggle_adxky_out(text, &adx, &ky, &ndx, PX2WORLD * std::min(tf.expansionX(),tf.expansionY())); // side effect: free() adx

char *text2 = strdup(text); // because U_Utf8ToUtf16le calls iconv which does not like a const char *

uint16_t *unicode_text = U_Utf8ToUtf16le( text2, 0, NULL );

free(text2);

//translates Unicode as Utf16le to NonUnicode, if possible. If any translate, all will, and all to

//the same font, because of code in Layout::print

UnicodeToNon(unicode_text, &ccount, &newfont);

// The preceding hopefully handled conversions to symbol, wingdings or zapf dingbats. Now slam everything

// else down into latin1, which is all WMF can handle. If the language isn't English expect terrible results.

char *latin1_text = U_Utf16leToLatin1( unicode_text, 0, NULL );

free(unicode_text);

//PPT gets funky with text within +-1 degree of a multiple of 90, but only for SOME fonts.Snap those to the central value

//Some funky ones: Arial, Times New Roman

//Some not funky ones: Symbol and Verdana.

//Without a huge table we cannot catch them all, so just the most common problem ones.

if(FixPPTCharPos){

switch(newfont){

case CVTSYM:

search_short_fflist("Convert To Symbol", &f1, &f2, &f3);

break;

case CVTZDG:

search_short_fflist("Convert To Zapf Dingbats", &f1, &f2, &f3);

break;

case CVTWDG:

search_short_fflist("Convert To Wingdings", &f1, &f2, &f3);

break;

default: //also CVTNON

search_short_fflist(style->text->font_family.value, &f1, &f2, &f3);

break;

}

if(f2 || f3){

int irem = ((int) round(rot)) % 900 ;

if(irem <=9 && irem >= -9){

fix90n=1; //assume vertical

rot = (double) (((int) round(rot)) - irem);

rotb = rot*M_PI/1800.0;

if( abs(rot) == 900.0 ){ fix90n = 2; }

}

}

}

/* Note that text font sizes are stored into the WMF as fairly small integers and that limits their precision.

int textheight = round(-style->font_size.computed * PX2WORLD * std::min(tf.expansionX(),tf.expansionY()));

if (!hfont) {

// Get font face name. Use changed font name if unicode mapped to one

// of the special fonts.

char *facename;

if(!newfont){

facename = U_Utf8ToLatin1(style->text->font_family.value, 0, NULL);

}

else {

facename = U_Utf8ToLatin1(FontName(newfont), 0, NULL);

}

// Scale the text to the minimum stretch. (It tends to stay within bounding rectangles even if

// it was streteched asymmetrically.) Few applications support text from WMF which is scaled

// differently by height/width, so leave lfWidth alone.

PU_FONT puf = U_FONT_set(

textheight,

0,

rot,

rot,

transweight(style->font_weight.computed),

(style->font_style.computed == SP_CSS_FONT_STYLE_ITALIC),

style->text_decoration.underline,

style->text_decoration.line_through,

U_DEFAULT_CHARSET,

U_OUT_DEFAULT_PRECIS,

U_CLIP_DEFAULT_PRECIS,

U_DEFAULT_QUALITY,

U_DEFAULT_PITCH | U_FF_DONTCARE,

facename);

free(facename);

rec = wcreatefontindirect_set( &hfont, wht, puf);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::text at wcreatefontindirect_set";

}

free(puf);

}

rec = wselectobject_set(hfont, wht);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::text at wselectobject_set";

}

float rgb[3];

sp_color_get_rgb_floatv( &style->fill.value.color, rgb );

// only change the text color when it needs to be changed

if(memcmp(htextcolor_rgb,rgb,3*sizeof(float))){

memcpy(htextcolor_rgb,rgb,3*sizeof(float));

rec = U_WMRSETTEXTCOLOR_set(U_RGB(255*rgb[0], 255*rgb[1], 255*rgb[2]));

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::text at U_WMRSETTEXTCOLOR_set";

}

}

// Text alignment:

// - (x,y) coordinates received by this filter are those of the point where the text

// actually starts, and already takes into account the text object's alignment;

// - for this reason, the WMF text alignment must always be TA_BASELINE|TA_LEFT.

// this is set at the beginning of the file and never changed

// Transparent text background, never changes, set at the beginning of the file

Geom::Point p2 = p * tf;

//Handle super/subscripts and vertical kerning

p2[Geom::X] += ky * std::sin( rotb );

p2[Geom::Y] += ky * std::cos( rotb );

//Conditionally handle compensation for PPT WMF import bug (affects PPT 2003-2010, at least)

if(FixPPTCharPos){

if(fix90n==1){ //vertical

dx= 0.0;

dy= f3 * style->font_size.computed * std::cos( rotb );

}

else if(fix90n==2){ //horizontal

dx= f2 * style->font_size.computed * std::sin( rotb );

dy= 0.0;

}

else {

dx= f1 * style->font_size.computed * std::sin( rotb );

dy= f1 * style->font_size.computed * std::cos( rotb );

}

p2[Geom::X] += dx;

p2[Geom::Y] += dy;

}

p2[Geom::X] = (p2[Geom::X] * PX2WORLD);

p2[Geom::Y] = (p2[Geom::Y] * PX2WORLD);

int32_t const xpos = (int32_t) round(p2[Geom::X]);

int32_t const ypos = (int32_t) round(p2[Geom::Y]);

// The number of characters in the string is a bit fuzzy. ndx, the number of entries in adx is

// the number of VISIBLE characters, since some may combine from the UTF (8 originally,

// now 16) encoding. Conversely strlen() or wchar16len() would give the absolute number of

// encoding characters. Unclear if emrtext wants the former or the latter but for now assume the former.

rec = U_WMREXTTEXTOUT_set((U_POINT16) {xpos, ypos}, ndx, U_ETO_NONE, latin1_text, adx, U_RCL16_DEF);

free(latin1_text);

free(adx);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::text at U_WMREXTTEXTOUTW_set";

}

rec = wdeleteobject_set(&hfont, wht);

if(!rec || wmf_append((PU_METARECORD)rec, wt, U_REC_FREE)){

throw "Fatal programming error in PrintWmf::text at wdeleteobject_set";

}

return 0;

}

void PrintWmf::init (void)

{

read_system_fflist();

/* WMF print */

Inkscape::Extension::build_from_mem(

"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"

"<name>Windows Metafile Print</name>\n"

"<id>org.inkscape.print.wmf</id>\n"

"<param name=\"destination\" type=\"string\"></param>\n"

"<param name=\"textToPath\" type=\"boolean\">true</param>\n"

"<param name=\"pageBoundingBox\" type=\"boolean\">true</param>\n"

"<param name=\"FixPPTCharPos\" type=\"boolean\">false</param>\n"

"<param name=\"FixPPTDashLine\" type=\"boolean\">false</param>\n"

"<param name=\"FixPPTGrad2Polys\" type=\"boolean\">false</param>\n"

"<param name=\"FixPPTPatternAsHatch\" type=\"boolean\">false</param>\n"

"<print/>\n"

"</inkscape-extension>", new PrintWmf());

return;

}

} /* namespace Internal */

} /* namespace Extension */

} /* namespace Inkscape */