#include <math.h>
-static PDFDoc*doc = 0;
-static char* swffilename = 0;
-static int numpages;
-static int currentpage;
-
typedef struct _fontfile
{
char*filename;
int used;
} fontfile_t;
+// for pdfswf_addfont
static fontfile_t fonts[2048];
static int fontnum = 0;
// swf <-> pdf pages
+// TODO: move into pdf_doc_t
static int*pages = 0;
static int pagebuflen = 0;
static int pagepos = 0;
+/* config */
static double caplinewidth = 3.0;
static int zoom = 72; /* xpdf: 86 */
// Destructor.
virtual ~SWFOutputDev() ;
+
+ void save(char*filename);
//----- get info about output device
//----- initialization and control
- void startDoc(XRef *xref);
+ void setXRef(PDFDoc*doc, XRef *xref);
// Start a page.
virtual void startPage(int pageNum, GfxState *state, double x1, double y1, double x2, double y2) ;
int clipping[64];
int clippos;
+ int currentpage;
+
+ PDFDoc*doc;
XRef*xref;
char* searchFont(char*name);
int substitutepos;
};
+static char*getFontID(GfxFont*font);
+
+class InfoOutputDev: public OutputDev
+{
+ public:
+ int x1,y1,x2,y2;
+ int has_links;
+ int has_images;
+
+ InfoOutputDev()
+ {
+ has_links = 0;
+ has_images = 0;
+ }
+ virtual ~InfoOutputDev() {}
+ virtual GBool upsideDown() {return gTrue;}
+ virtual GBool useDrawChar() {return gTrue;}
+ virtual GBool useGradients() {return gTrue;}
+ virtual GBool interpretType3Chars() {return gTrue;}
+ virtual void startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
+ {
+ double x1,y1,x2,y2;
+ state->transform(crop_x1,crop_y1,&x1,&y1);
+ state->transform(crop_x2,crop_y2,&x2,&y2);
+ if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
+ if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
+ this->x1 = (int)x1;
+ this->y1 = (int)y1;
+ this->x2 = (int)x2;
+ this->y2 = (int)y2;
+ }
+ virtual void drawLink(Link *link, Catalog *catalog)
+ {
+ has_links = 1;
+ }
+ virtual void updateFont(GfxState *state)
+ {
+ char*id = getFontID(state->getFont());
+ }
+ virtual void drawImageMask(GfxState *state, Object *ref, Stream *str,
+ int width, int height, GBool invert,
+ GBool inlineImg)
+ {
+ has_images = 1;
+ }
+ virtual void drawImage(GfxState *state, Object *ref, Stream *str,
+ int width, int height, GfxImageColorMap *colorMap,
+ int *maskColors, GBool inlineImg)
+ {
+ has_images = 1;
+ }
+};
+
SWFOutputDev::SWFOutputDev()
{
jpeginfo = 0;
sprintf(buf, "UFONT%d", r->num);
return strdup(buf);
}
- return fontname;
+ return strdup(fontname);
}
static char*getFontName(GfxFont*font)
{
- char*fontname = getFontID(font);
- char* plus = strchr(fontname, '+');
- if(plus && plus < &fontname[strlen(fontname)-1])
- fontname = plus+1;
+ char*fontid = getFontID(font);
+ char*fontname= 0;
+ char* plus = strchr(fontid, '+');
+ if(plus && plus < &fontid[strlen(fontid)-1]) {
+ fontname = strdup(plus+1);
+ } else {
+ fontname = strdup(fontid);
+ }
+ free(fontid);
return fontname;
}
}
}
+static void dump_outline(SWF_OUTLINE*outline)
+{
+ double x=0,y=0;
+ while(outline) {
+ double lastx=x,lasty=y;
+ x += (outline->dest.x/(float)0xffff);
+ y += (outline->dest.y/(float)0xffff);
+ if(outline->type == SWF_PATHTYPE_MOVE) {
+ msg("<trace> | moveto %f,%f", x,y);
+ } else if(outline->type == SWF_PATHTYPE_LINE) {
+ msg("<trace> | lineto: %f,%f\n",x,y);
+ } else if(outline->type == SWF_PATHTYPE_BEZIER) {
+ SWF_BEZIERSEGMENT*o2 = (SWF_BEZIERSEGMENT*)outline;
+ float x1 = o2->C.x/(float)0xffff+lastx;
+ float y1 = o2->C.y/(float)0xffff+lasty;
+ float x2 = o2->B.x/(float)0xffff+lastx;
+ float y2 = o2->B.y/(float)0xffff+lasty;
+ msg("<trace> | spline: %f,%f -> %f,%f -> %f,%f\n",x1,y1,x2,y2,x,y);
+ }
+ outline = outline->link;
+ }
+}
+
SWF_OUTLINE* gfxPath_to_SWF_OUTLINE(GfxState*state, GfxPath*path)
{
int num = path->getNumSubpaths();
int s,t;
bezierpathsegment*start,*last=0;
- bezierpathsegment*outline = start = new bezierpathsegment();
+ bezierpathsegment*outline = start = (bezierpathsegment*)malloc(sizeof(bezierpathsegment));
int cpos = 0;
double lastx=0,lasty=0;
if(!num) {
outline->type = SWF_PATHTYPE_MOVE;
outline->dest.x = x;
outline->dest.y = y;
- outline->link = (SWF_OUTLINE*)new bezierpathsegment();
+ outline->link = (SWF_OUTLINE*)malloc(sizeof(bezierpathsegment));
outline = (bezierpathsegment*)outline->link;
cpos = 0;
lastx = nx;
outline->dest.x = x;
outline->dest.y = y;
outline->type = cpos?SWF_PATHTYPE_BEZIER:SWF_PATHTYPE_LINE;
- outline->link = 0;
- outline->link = (SWF_OUTLINE*)new bezierpathsegment();
+ outline->link = (SWF_OUTLINE*)malloc(sizeof(bezierpathsegment));
outline = (bezierpathsegment*)outline->link;
cpos = 0;
lastx = nx;
}
}
}
+ if(last->link) {free(last->link);}
last->link = 0;
+
return (SWF_OUTLINE*)start;
}
/*----------------------------------------------------------------------------
void SWFOutputDev::stroke(GfxState *state)
{
- msg("<debug> stroke\n");
GfxPath * path = state->getPath();
int lineCap = state->getLineCap(); // 0=butt, 1=round 2=square
int lineJoin = state->getLineJoin(); // 0=miter, 1=round 2=bevel
m.m11 = 1; m.m21 = 0; m.m22 = 1;
m.m12 = 0; m.m13 = 0; m.m23 = 0;
SWF_OUTLINE*outline = gfxPath_to_SWF_OUTLINE(state, path);
+
+ if(screenloglevel >= LOGLEVEL_TRACE) {
+ msg("<trace> stroke\n");
+ dump_outline(outline);
+ }
lineJoin = 1; // other line joins are not yet supported by the swf encoder
// TODO: support bevel joints
}
void SWFOutputDev::fill(GfxState *state)
{
- msg("<debug> fill\n");
GfxPath * path = state->getPath();
struct swfmatrix m;
m.m11 = 1; m.m21 = 0; m.m22 = 1;
m.m12 = 0; m.m13 = 0; m.m23 = 0;
SWF_OUTLINE*outline = gfxPath_to_SWF_OUTLINE(state, path);
+
+ if(screenloglevel >= LOGLEVEL_TRACE) {
+ msg("<trace> fill\n");
+ dump_outline(outline);
+ }
+
swfoutput_setdrawmode(&output, DRAWMODE_FILL);
swfoutput_drawpath(&output, outline, &m);
+ free_outline(outline);
}
void SWFOutputDev::eoFill(GfxState *state)
{
- msg("<debug> eofill\n");
GfxPath * path = state->getPath();
struct swfmatrix m;
m.m11 = 1; m.m21 = 0; m.m22 = 1;
m.m12 = 0; m.m13 = 0; m.m23 = 0;
SWF_OUTLINE*outline = gfxPath_to_SWF_OUTLINE(state, path);
+
+ if(screenloglevel >= LOGLEVEL_TRACE) {
+ msg("<trace> eofill\n");
+ dump_outline(outline);
+ }
+
swfoutput_setdrawmode(&output, DRAWMODE_EOFILL);
swfoutput_drawpath(&output, outline, &m);
+ free_outline(outline);
}
void SWFOutputDev::clip(GfxState *state)
{
- msg("<debug> clip\n");
GfxPath * path = state->getPath();
struct swfmatrix m;
m.m11 = 1; m.m22 = 1;
m.m12 = 0; m.m21 = 0;
m.m13 = 0; m.m23 = 0;
SWF_OUTLINE*outline = gfxPath_to_SWF_OUTLINE(state, path);
+
+ if(screenloglevel >= LOGLEVEL_TRACE) {
+ msg("<trace> clip\n");
+ dump_outline(outline);
+ }
+
swfoutput_startclip(&output, outline, &m);
clipping[clippos] ++;
+ free_outline(outline);
}
void SWFOutputDev::eoClip(GfxState *state)
{
- msg("<debug> eoclip\n");
GfxPath * path = state->getPath();
struct swfmatrix m;
m.m11 = 1; m.m21 = 0; m.m22 = 1;
m.m12 = 0; m.m13 = 0; m.m23 = 0;
SWF_OUTLINE*outline = gfxPath_to_SWF_OUTLINE(state, path);
+
+ if(screenloglevel >= LOGLEVEL_TRACE) {
+ msg("<trace> eoclip\n");
+ dump_outline(outline);
+ }
+
swfoutput_startclip(&output, outline, &m);
clipping[clippos] ++;
+ free_outline(outline);
+}
+void SWFOutputDev::save(char*filename)
+{
+ swfoutput_save(&output, filename);
}
SWFOutputDev::~SWFOutputDev()
{
- swfoutput_save(&output, swffilename);
swfoutput_destroy(&output);
outputstarted = 0;
};
void SWFOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
{
- double x1,y1,x2,y2;
- int rot = doc->getPageRotate(1);
- laststate = state;
- msg("<verbose> startPage %d (%f,%f,%f,%f)\n", pageNum, crop_x1, crop_y1, crop_x2, crop_y2);
- if(rot!=0)
- msg("<verbose> page is rotated %d degrees\n", rot);
-
- /* state->transform(state->getX1(),state->getY1(),&x1,&y1);
- state->transform(state->getX2(),state->getY2(),&x2,&y2);
- Use CropBox, not MediaBox, as page size
- */
-
- /*x1 = crop_x1;
- y1 = crop_y1;
- x2 = crop_x2;
- y2 = crop_y2;*/
- state->transform(crop_x1,crop_y1,&x1,&y1);
- state->transform(crop_x2,crop_y2,&x2,&y2);
-
- if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
- if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
-
- if(!outputstarted) {
- msg("<verbose> Bounding box is (%f,%f)-(%f,%f)", x1,y1,x2,y2);
- swfoutput_init(&output);
- outputstarted = 1;
- }
+ this->currentpage = pageNum;
+ double x1,y1,x2,y2;
+ int rot = doc->getPageRotate(1);
+ laststate = state;
+ msg("<verbose> startPage %d (%f,%f,%f,%f)\n", pageNum, crop_x1, crop_y1, crop_x2, crop_y2);
+ if(rot!=0)
+ msg("<verbose> page is rotated %d degrees\n", rot);
+
+ /* state->transform(state->getX1(),state->getY1(),&x1,&y1);
+ state->transform(state->getX2(),state->getY2(),&x2,&y2);
+ Use CropBox, not MediaBox, as page size
+ */
- swfoutput_newpage(&output, pageNum, (int)x1, (int)y1, (int)x2, (int)y2);
+ /*x1 = crop_x1;
+ y1 = crop_y1;
+ x2 = crop_x2;
+ y2 = crop_y2;*/
+ state->transform(crop_x1,crop_y1,&x1,&y1);
+ state->transform(crop_x2,crop_y2,&x2,&y2);
+
+ if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
+ if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
+
+ if(!outputstarted) {
+ msg("<verbose> Bounding box is (%f,%f)-(%f,%f)", x1,y1,x2,y2);
+ swfoutput_init(&output);
+ outputstarted = 1;
+ }
+
+ swfoutput_newpage(&output, pageNum, (int)x1, (int)y1, (int)x2, (int)y2);
}
void SWFOutputDev::drawLink(Link *link, Catalog *catalog)
}
else if(strstr(s, "last") || strstr(s, "end"))
{
- page = pages[pagepos-1]; //:)
+ page = pagepos>0?pages[pagepos-1]:0;
}
else if(strstr(s, "first") || strstr(s, "top"))
{
if(pages[t]==page)
break;
if(t!=pagepos)
- swfoutput_linktopage(&output, t, points);
+ swfoutput_linktopage(&output, t, points);
}
else if(url)
{
if(!is_standard_font)
msg("<notice> Using %s for %s", fonts[i].filename, name);
}
- return fonts[i].filename;
+ return strdup(fonts[i].filename);
}
}
return 0;
return strdup(tmpFileName);
}
-
+
char* searchForSuitableFont(GfxFont*gfxFont)
{
char*name = getFontName(gfxFont);
FcResult result;
FcChar8 *v;
- // call init ony once
static int fcinitcalled = false;
+
+ // call init ony once
if (!fcinitcalled) {
fcinitcalled = true;
- FcInit();
+ FcInit(); //leaks
}
pattern = FcPatternBuild(NULL, FC_FAMILY, FcTypeString, name, NULL);
msg("<notice> substituting %s -> %s", FIXNULL(oldname), FIXNULL(fontname));
substitutepos ++;
}
- return filename;
+ return strdup(filename);
}
void unlinkfont(char* filename)
}
}
-void SWFOutputDev::startDoc(XRef *xref)
+void SWFOutputDev::setXRef(PDFDoc*doc, XRef *xref)
{
+ this->doc = doc;
this->xref = xref;
}
if(fileName && del)
unlinkfont(fileName);
+ if(fileName)
+ free(fileName);
}
#define SQR(x) ((x)*(x))
obj.free();
}
-void pdfswf_init(char*filename, char*userPassword)
+void pdfswf_setparameter(char*name, char*value)
+{
+ if(!strcmp(name, "caplinewidth")) {
+ caplinewidth = atof(value);
+ } else if(!strcmp(name, "zoom")) {
+ zoom = atoi(value);
+ } else {
+ swfoutput_setparameter(name, value);
+ }
+}
+void pdfswf_addfont(char*filename)
+{
+ fontfile_t f;
+ memset(&f, 0, sizeof(fontfile_t));
+ f.filename = filename;
+ if(fontnum < sizeof(fonts)/sizeof(fonts[0])) {
+ fonts[fontnum++] = f;
+ } else {
+ msg("<error> Too many external fonts. Not adding font file \"%s\".", filename);
+ }
+}
+
+typedef struct _pdf_doc_internal
+{
+ int protect;
+ PDFDoc*doc;
+} pdf_doc_internal_t;
+typedef struct _pdf_page_internal
{
+} pdf_page_internal_t;
+typedef struct _swf_output_internal
+{
+ SWFOutputDev*outputDev;
+} swf_output_internal_t;
+
+pdf_doc_t* pdf_init(char*filename, char*userPassword)
+{
+ pdf_doc_t*pdf_doc = (pdf_doc_t*)malloc(sizeof(pdf_doc_t));
+ memset(pdf_doc, 0, sizeof(pdf_doc_t));
+ pdf_doc_internal_t*i= (pdf_doc_internal_t*)malloc(sizeof(pdf_doc_internal_t));
+ memset(i, 0, sizeof(pdf_doc_internal_t));
+ pdf_doc->internal = i;
+
GString *fileName = new GString(filename);
GString *userPW;
Object info;
} else {
userPW = NULL;
}
- doc = new PDFDoc(fileName, userPW);
+ i->doc = new PDFDoc(fileName, userPW);
if (userPW) {
delete userPW;
}
- if (!doc->isOk()) {
- exit(1);
+ if (!i->doc->isOk()) {
+ return 0;
}
// print doc info
- doc->getDocInfo(&info);
+ i->doc->getDocInfo(&info);
if (info.isDict() &&
(screenloglevel>=LOGLEVEL_NOTICE)) {
printInfoString(info.getDict(), "Title", "Title: %s\n");
printInfoString(info.getDict(), "Producer", "Producer: %s\n");
printInfoDate(info.getDict(), "CreationDate", "CreationDate: %s\n");
printInfoDate(info.getDict(), "ModDate", "ModDate: %s\n");
- printf("Pages: %d\n", doc->getNumPages());
- printf("Linearized: %s\n", doc->isLinearized() ? "yes" : "no");
+ printf("Pages: %d\n", i->doc->getNumPages());
+ printf("Linearized: %s\n", i->doc->isLinearized() ? "yes" : "no");
printf("Encrypted: ");
- if (doc->isEncrypted()) {
+ if (i->doc->isEncrypted()) {
printf("yes (print:%s copy:%s change:%s addNotes:%s)\n",
- doc->okToPrint() ? "yes" : "no",
- doc->okToCopy() ? "yes" : "no",
- doc->okToChange() ? "yes" : "no",
- doc->okToAddNotes() ? "yes" : "no");
+ i->doc->okToPrint() ? "yes" : "no",
+ i->doc->okToCopy() ? "yes" : "no",
+ i->doc->okToChange() ? "yes" : "no",
+ i->doc->okToAddNotes() ? "yes" : "no");
} else {
printf("no\n");
}
}
info.free();
- numpages = doc->getNumPages();
- int protect = 0;
- if (doc->isEncrypted()) {
- if(!doc->okToCopy()) {
+ pdf_doc->num_pages = i->doc->getNumPages();
+ i->protect = 0;
+ if (i->doc->isEncrypted()) {
+ if(!i->doc->okToCopy()) {
printf("PDF disallows copying. Terminating.\n");
exit(1); //bail out
}
- if(!doc->okToChange() || !doc->okToAddNotes())
- protect = 1;
+ if(!i->doc->okToChange() || !i->doc->okToAddNotes())
+ i->protect = 1;
}
- if(protect)
- swfoutput_setparameter("protect", "1");
-
- output = new SWFOutputDev();
- output->startDoc(doc->getXRef());
+ return pdf_doc;
}
-void pdfswf_setparameter(char*name, char*value)
+void pdfswf_preparepage(int page)
{
- if(!strcmp(name, "outputfilename")) {
- swffilename = value;
- } else if(!strcmp(name, "caplinewidth")) {
- caplinewidth = atof(value);
- } else if(!strcmp(name, "zoom")) {
- zoom = atoi(value);
- } else {
- swfoutput_setparameter(name, value);
- }
-}
-
-void pdfswf_addfont(char*filename)
-{
- fontfile_t f;
- memset(&f, 0, sizeof(fontfile_t));
- f.filename = filename;
- fonts[fontnum++] = f;
-}
-
-void pdfswf_setoutputfilename(char*_filename) { swffilename = _filename; }
-
-void pdfswf_convertpage(int page)
-{
- if(!pages)
- {
+ /*FIXME*/
+ if(!pages) {
pages = (int*)malloc(1024*sizeof(int));
pagebuflen = 1024;
} else {
pages[pagepos++] = page;
}
-void pdfswf_performconversion()
+class MemCheck
{
- int t;
- for(t=0;t<pagepos;t++)
+ public: ~MemCheck()
{
- currentpage = pages[t];
-#ifdef XPDF_101
- doc->displayPage((OutputDev*)output, currentpage, /*zoom*/zoom, /*rotate*/0, /*doLinks*/(int)1);
-#else
- doc->displayPage((OutputDev*)output, currentpage, zoom, zoom, /*rotate*/0, true, /*doLinks*/(int)1);
-#endif
+ delete globalParams;
+ Object::memCheck(stderr);
+ gMemReport(stderr);
}
+} myMemCheck;
+
+void pdf_destroy(pdf_doc_t*pdf_doc)
+{
+ pdf_doc_internal_t*i= (pdf_doc_internal_t*)pdf_doc->internal;
+
+ msg("<debug> pdfswf.cc: pdfswf_close()");
+ delete i->doc; i->doc=0;
+
+ free(pages); pages = 0; //FIXME
+
+ free(pdf_doc->internal);pdf_doc->internal=0;
+ free(pdf_doc);pdf_doc=0;
+}
+
+pdf_page_t* pdf_getpage(pdf_doc_t*pdf_doc, int page)
+{
+ pdf_doc_internal_t*di= (pdf_doc_internal_t*)pdf_doc->internal;
+
+ pdf_page_t* pdf_page = (pdf_page_t*)malloc(sizeof(pdf_page_t));
+ pdf_page_internal_t*pi= (pdf_page_internal_t*)malloc(sizeof(pdf_page_internal_t));
+ memset(pi, 0, sizeof(pdf_page_internal_t));
+ pdf_page->internal = pi;
+
+ pdf_page->parent = pdf_doc;
+ pdf_page->nr = page;
+ return pdf_page;
}
-int pdfswf_numpages()
+
+void pdf_page_destroy(pdf_page_t*pdf_page)
{
- return doc->getNumPages();
+ pdf_page_internal_t*i= (pdf_page_internal_t*)pdf_page->internal;
+ free(pdf_page->internal);pdf_page->internal = 0;
+ free(pdf_page);pdf_page=0;
}
-void pdfswf_close()
+
+swf_output_t* swf_output_init()
{
- msg("<debug> pdfswf.cc: pdfswf_close()");
- delete output; output=0;
- delete doc; doc=0;
- free(pages); pages = 0;
- //freeParams();
- // check for memory leaks
- Object::memCheck(stderr);
- gMemReport(stderr);
+ swf_output_t*swf_output = (swf_output_t*)malloc(sizeof(swf_output_t));
+ memset(swf_output, 0, sizeof(swf_output_t));
+ swf_output_internal_t*i= (swf_output_internal_t*)malloc(sizeof(swf_output_internal_t));
+ memset(i, 0, sizeof(swf_output_internal_t));
+ swf_output->internal = i;
+
+ i->outputDev = new SWFOutputDev();
+ return swf_output;
+}
+
+void swf_output_setparameter(swf_output_t*swf_output, char*name, char*value)
+{
+ /* FIXME */
+ pdfswf_setparameter(name, value);
}
+void swf_output_save(swf_output_t*swf, char*filename)
+{
+ swf_output_internal_t*i= (swf_output_internal_t*)swf->internal;
+ i->outputDev->save(filename);
+}
+
+void swf_output_destroy(swf_output_t*output)
+{
+ swf_output_internal_t*i = (swf_output_internal_t*)output->internal;
+ delete i->outputDev; i->outputDev=0;
+ free(output->internal);output->internal=0;
+ free(output);
+}
+
+
+void pdf_page_render(pdf_page_t*page, swf_output_t*output)
+{
+ pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
+ swf_output_internal_t*si = (swf_output_internal_t*)output->internal;
+
+ if(pi->protect) {
+ swfoutput_setparameter("protect", "1");
+ }
+ si->outputDev->setXRef(pi->doc, pi->doc->getXRef());
+#ifdef XPDF_101
+ pi->doc->displayPage((OutputDev*)si->outputDev, page->nr, /*zoom*/zoom, /*rotate*/0, /*doLinks*/(int)1);
+#else
+ pi->doc->displayPage((OutputDev*)si->outputDev, page->nr, zoom, zoom, /*rotate*/0, true, /*doLinks*/(int)1);
+#endif
+}
+
+pdf_page_info_t* pdf_page_getinfo(pdf_page_t*page)
+{
+ pdf_page_internal_t*i= (pdf_page_internal_t*)page->internal;
+ pdf_page_info_t*info = (pdf_page_info_t*)malloc(sizeof(pdf_page_info_t));
+ memset(info, 0, sizeof(pdf_page_info_t));
+ return info;
+}