#include "../gfxpoly.h"
#include "../png.h"
-#define CHARDATAMAX 8192
+#define CHARDATAMAX 1024
#define CHARMIDX 0
#define CHARMIDY 0
-typedef struct _chardata {
+typedef struct _charatposition {
int charid;
- int fontid; /* TODO: use a SWFFONT instead */
+ SWFFONT*font;
int x;
int y;
int size;
RGBA color;
-} chardata_t;
+} charatposition_t;
+
+typedef struct _chararray {
+ charatposition_t chr[CHARDATAMAX+1];
+ int pos;
+ struct _chararray *next;
+} chararray_t;
+
+typedef struct _charbuffer {
+ MATRIX matrix;
+ chararray_t*array;
+ chararray_t*last;
+ struct _charbuffer *next;
+} charbuffer_t;
typedef struct _fontlist
{
double config_ppmsubpixels;
double config_jpegsubpixels;
char hasbuttons;
+ int config_invisibletexttofront;
int config_dots;
int config_simpleviewer;
int config_opennewwindow;
SHAPE* shape;
int shapeid;
- int textid;
+ int textmode;
int watermarks;
SRECT pagebbox;
- chardata_t chardata[CHARDATAMAX];
- int chardatapos;
+ charbuffer_t* chardata;
+ charbuffer_t* topchardata; //chars supposed to be above everything else
+
int firstpage;
char pagefinished;
i->startdepth = 0;
i->linewidth = 0;
i->shapeid = -1;
- i->textid = -1;
+ i->textmode = 0;
i->frameno = 0;
i->lastframeno = 0;
i->fillstylechanged = 0;
i->bboxrectpos = -1;
- i->chardatapos = 0;
+ i->chardata = 0;
i->firstpage = 1;
i->pagefinished = 1;
}
}
-static inline int colorcompare(gfxdevice_t*dev, RGBA*a,RGBA*b)
+static inline int colorcompare(RGBA*a,RGBA*b)
{
if(a->r!=b->r ||
return 1;
}
-static SRECT getcharacterbbox(gfxdevice_t*dev, SWFFONT*font, MATRIX* m)
+static SRECT getcharacterbbox(chararray_t*chardata, MATRIX* m)
{
- swfoutput_internal*i = (swfoutput_internal*)dev->internal;
SRECT r;
char debug = 0;
memset(&r, 0, sizeof(r));
int t;
if(debug) printf("\n");
- for(t=0;t<i->chardatapos;t++)
- {
- if(i->chardata[t].fontid != font->id) {
- msg("<error> Internal error: fontid %d != fontid %d", i->chardata[t].fontid, font->id);
- exit(1);
+
+ while(chardata) {
+ for(t=0;t<chardata->pos;t++) {
+ charatposition_t*chr = &chardata->chr[t];
+ SRECT b = chr->font->layout->bounds[chr->charid];
+ b.xmin *= chr->size;
+ b.ymin *= chr->size;
+ b.xmax *= chr->size;
+ b.ymax *= chr->size;
+
+ /* divide by 1024, rounding xmax/ymax up */
+ b.xmax += 1023; b.ymax += 1023; b.xmin /= 1024; b.ymin /= 1024; b.xmax /= 1024; b.ymax /= 1024;
+
+ b.xmin += chr->x;
+ b.ymin += chr->y;
+ b.xmax += chr->x;
+ b.ymax += chr->y;
+
+ /* until we solve the INTERNAL_SCALING problem (see below)
+ make sure the bounding box is big enough */
+ b.xmin -= 20;
+ b.ymin -= 20;
+ b.xmax += 20;
+ b.ymax += 20;
+
+ b = swf_TurnRect(b, m);
+
+ if(debug) printf("(%f,%f,%f,%f) -> (%f,%f,%f,%f) [font %d, char %d]\n",
+ chr->font->layout->bounds[chr->charid].xmin/20.0,
+ chr->font->layout->bounds[chr->charid].ymin/20.0,
+ chr->font->layout->bounds[chr->charid].xmax/20.0,
+ chr->font->layout->bounds[chr->charid].ymax/20.0,
+ b.xmin/20.0,
+ b.ymin/20.0,
+ b.xmax/20.0,
+ b.ymax/20.0,
+ chr->font->id,
+ chr->charid);
+ swf_ExpandRect2(&r, &b);
}
- SRECT b = font->layout->bounds[i->chardata[t].charid];
- b.xmin *= i->chardata[t].size;
- b.ymin *= i->chardata[t].size;
- b.xmax *= i->chardata[t].size;
- b.ymax *= i->chardata[t].size;
-
- /* divide by 1024, rounding xmax/ymax up */
- b.xmax += 1023; b.ymax += 1023; b.xmin /= 1024; b.ymin /= 1024; b.xmax /= 1024; b.ymax /= 1024;
-
- b.xmin += i->chardata[t].x;
- b.ymin += i->chardata[t].y;
- b.xmax += i->chardata[t].x;
- b.ymax += i->chardata[t].y;
-
- /* until we solve the INTERNAL_SCALING problem (see below)
- make sure the bounding box is big enough */
- b.xmin -= 20;
- b.ymin -= 20;
- b.xmax += 20;
- b.ymax += 20;
-
- b = swf_TurnRect(b, m);
-
- if(debug) printf("(%f,%f,%f,%f) -> (%f,%f,%f,%f) [font %d/%d, char %d]\n",
- font->layout->bounds[i->chardata[t].charid].xmin/20.0,
- font->layout->bounds[i->chardata[t].charid].ymin/20.0,
- font->layout->bounds[i->chardata[t].charid].xmax/20.0,
- font->layout->bounds[i->chardata[t].charid].ymax/20.0,
- b.xmin/20.0,
- b.ymin/20.0,
- b.xmax/20.0,
- b.ymax/20.0,
- i->chardata[t].fontid,
- font->id,
- i->chardata[t].charid
- );
- swf_ExpandRect2(&r, &b);
+ chardata = chardata->next;
}
if(debug) printf("-----> (%f,%f,%f,%f)\n",
r.xmin/20.0,
return r;
}
-static void putcharacters(gfxdevice_t*dev, TAG*tag)
+static chararray_t*chararray_reverse(chararray_t*buf)
+{
+ chararray_t*prev = 0;
+ while(buf) {
+ chararray_t*next = buf->next;
+ buf->next = prev;
+ prev = buf;
+ buf = next;
+ }
+ return prev;
+}
+
+static void chararray_writetotag(chararray_t*_chardata, TAG*tag)
{
- swfoutput_internal*i = (swfoutput_internal*)dev->internal;
- int t;
SWFFONT font;
RGBA color;
- color.r = i->chardata[0].color.r^255;
+ color.r = _chardata?_chardata->chr[0].color.r^255:0;
color.g = 0;
color.b = 0;
color.a = 0;
- int lastfontid;
+ SWFFONT*lastfont;
int lastx;
int lasty;
int lastsize;
if(tag->id != ST_DEFINETEXT &&
tag->id != ST_DEFINETEXT2) {
- msg("<error> internal error: putcharacters needs an text tag, not %d\n",tag->id);
+ msg("<error> internal error: charbuffer_put needs an text tag, not %d\n",tag->id);
exit(1);
}
- if(!i->chardatapos) {
- msg("<warning> putcharacters called with zero characters");
+ if(!_chardata) {
+ msg("<warning> charbuffer_put called with zero characters");
}
for(pass = 0; pass < 2; pass++)
{
charstorepos = 0;
- lastfontid = -1;
+ lastfont = 0;
lastx = CHARMIDX;
lasty = CHARMIDY;
lastsize = -1;
swf_SetU8(tag, advancebits);
}
- for(t=0;t<=i->chardatapos;t++)
- {
- if(lastfontid != i->chardata[t].fontid ||
- lastx!=i->chardata[t].x ||
- lasty!=i->chardata[t].y ||
- !colorcompare(dev,&color, &i->chardata[t].color) ||
- charstorepos==127 ||
- lastsize != i->chardata[t].size ||
- t == i->chardatapos)
- {
- if(charstorepos && pass==0)
- {
- int s;
- for(s=0;s<charstorepos;s++)
- {
- while(charids[s]>=(1<<glyphbits))
- glyphbits++;
- while(charadvance[s]>=(1<<advancebits))
- advancebits++;
- }
- }
- if(charstorepos && pass==1)
- {
- tag->writeBit = 0; // Q&D
- swf_SetBits(tag, 0, 1); // GLYPH Record
- swf_SetBits(tag, charstorepos, 7); // number of glyphs
- int s;
- for(s=0;s<charstorepos;s++)
- {
- swf_SetBits(tag, charids[s], glyphbits);
- swf_SetBits(tag, charadvance[s], advancebits);
- }
- }
- charstorepos = 0;
-
- if(pass == 1 && t<i->chardatapos)
- {
- RGBA*newcolor=0;
- SWFFONT*newfont=0;
- int newx = 0;
- int newy = 0;
- if(lastx != i->chardata[t].x ||
- lasty != i->chardata[t].y)
- {
- newx = i->chardata[t].x;
- newy = i->chardata[t].y;
- if(newx == 0)
- newx = SET_TO_ZERO;
- if(newy == 0)
- newy = SET_TO_ZERO;
- }
- if(!colorcompare(dev,&color, &i->chardata[t].color))
- {
- color = i->chardata[t].color;
- newcolor = &color;
- }
- font.id = i->chardata[t].fontid;
- if(lastfontid != i->chardata[t].fontid || lastsize != i->chardata[t].size)
- newfont = &font;
-
- tag->writeBit = 0; // Q&D
- swf_TextSetInfoRecord(tag, newfont, i->chardata[t].size, newcolor, newx,newy);
- }
-
- lastfontid = i->chardata[t].fontid;
- lastx = i->chardata[t].x;
- lasty = i->chardata[t].y;
- lastsize = i->chardata[t].size;
- }
-
- if(t==i->chardatapos)
- break;
-
- int advance;
- int nextt = t==i->chardatapos-1?t:t+1;
- int rel = i->chardata[nextt].x-i->chardata[t].x;
- if(rel>=0 && (rel<(1<<(advancebits-1)) || pass==0)) {
- advance = rel;
- lastx=i->chardata[nextt].x;
- }
- else {
- advance = 0;
- lastx=i->chardata[t].x;
- }
- charids[charstorepos] = i->chardata[t].charid;
- charadvance[charstorepos] = advance;
- charstorepos ++;
- }
+ chararray_t*chardata = _chardata;
+
+ while(chardata) {
+ int t;
+
+ assert(!chardata->next || chardata->pos == CHARDATAMAX);
+ assert(chardata->pos);
+
+ int to = chardata->next?chardata->pos-1:chardata->pos;
+
+ for(t=0;t<=to;t++)
+ {
+ char islast = t==chardata->pos;
+
+ charatposition_t*chr = &chardata->chr[t];
+
+ if(lastfont != chardata->chr[t].font ||
+ lastx!=chardata->chr[t].x ||
+ lasty!=chardata->chr[t].y ||
+ !colorcompare(&color, &chardata->chr[t].color) ||
+ charstorepos==127 ||
+ lastsize != chardata->chr[t].size ||
+ islast)
+ {
+ if(charstorepos && pass==0)
+ {
+ int s;
+ for(s=0;s<charstorepos;s++)
+ {
+ while(charids[s]>=(1<<glyphbits))
+ glyphbits++;
+ while(charadvance[s]>=(1<<advancebits))
+ advancebits++;
+ }
+ }
+ if(charstorepos && pass==1)
+ {
+ tag->writeBit = 0; // Q&D
+ swf_SetBits(tag, 0, 1); // GLYPH Record
+ swf_SetBits(tag, charstorepos, 7); // number of glyphs
+ int s;
+ for(s=0;s<charstorepos;s++)
+ {
+ swf_SetBits(tag, charids[s], glyphbits);
+ swf_SetBits(tag, charadvance[s], advancebits);
+ }
+ }
+ charstorepos = 0;
+
+ if(pass == 1 && !islast)
+ {
+ RGBA*newcolor=0;
+ SWFFONT*newfont=0;
+ int newx = 0;
+ int newy = 0;
+ if(lastx != chr->x ||
+ lasty != chr->y)
+ {
+ newx = chr->x;
+ newy = chr->y;
+ if(newx == 0)
+ newx = SET_TO_ZERO;
+ if(newy == 0)
+ newy = SET_TO_ZERO;
+ }
+ if(!colorcompare(&color, &chr->color))
+ {
+ color = chr->color;
+ newcolor = &color;
+ }
+ font.id = chr->font->id;
+ if(lastfont != chr->font || lastsize != chr->size)
+ newfont = &font;
+
+ tag->writeBit = 0; // Q&D
+ swf_TextSetInfoRecord(tag, newfont, chr->size, newcolor, newx,newy);
+ }
+
+ lastfont = chr->font;
+ lastx = chr->x;
+ lasty = chr->y;
+ lastsize = chr->size;
+ }
+
+ if(islast)
+ break;
+
+ int nextx = chr->x;
+ if(t<chardata->pos-1) nextx = chardata->chr[t+1].x;
+ if(t==chardata->pos-1 && chardata->next) nextx = chardata->next->chr[0].x;
+ int dx = nextx-chr->x;
+
+ int advance;
+ if(dx>=0 && (dx<(1<<(advancebits-1)) || pass==0)) {
+ advance = dx;
+ lastx=nextx;
+ } else {
+ advance = 0;
+ lastx=chr->x;
+ }
+ charids[charstorepos] = chr->charid;
+ charadvance[charstorepos] = advance;
+ charstorepos ++;
+ }
+ chardata = chardata->next;
+ }
}
- i->chardatapos = 0;
}
-static void putcharacter(gfxdevice_t*dev, int fontid, int charid, int x,int y, int size, RGBA color)
+static void chararray_destroy(chararray_t*chr)
{
- swfoutput_internal*i = (swfoutput_internal*)dev->internal;
- if(i->chardatapos == CHARDATAMAX)
- {
- msg("<warning> Character buffer too small. SWF will be slightly bigger");
- endtext(dev);
- starttext(dev);
+ while(chr) {
+ chararray_t*next = chr->next;
+ chr->next = 0;
+ free(chr);
+ chr = next;
}
- i->chardata[i->chardatapos].fontid = fontid;
- i->chardata[i->chardatapos].charid = charid;
- i->chardata[i->chardatapos].x = x;
- i->chardata[i->chardatapos].y = y;
- i->chardata[i->chardatapos].color = color;
- i->chardata[i->chardatapos].size = size;
- i->chardatapos++;
+}
+
+static inline int matrix_diff(MATRIX*m1, MATRIX*m2)
+{
+ return memcmp(m1,m2,sizeof(MATRIX));
+}
+static charbuffer_t*charbuffer_append(charbuffer_t*buf, SWFFONT*font, int charid, int x,int y, int size, RGBA color, MATRIX*m)
+{
+ if(!buf || matrix_diff(&buf->matrix,m)) {
+ charbuffer_t*n = rfx_calloc(sizeof(charbuffer_t));
+ n->matrix = *m;
+ n->next = buf;
+ buf = n;
+ }
+ if(!buf->last || buf->last->pos == CHARDATAMAX) {
+ chararray_t*n = rfx_calloc(sizeof(chararray_t));
+ if(!buf->array) {
+ buf->array = buf->last = n;
+ } else {
+ buf->last->next = n;
+ buf->last = n;
+ }
+ }
+ chararray_t*a = buf->last;
+ a->chr[a->pos].font = font;
+ a->chr[a->pos].charid = charid;
+ a->chr[a->pos].x = x;
+ a->chr[a->pos].y = y;
+ a->chr[a->pos].color = color;
+ a->chr[a->pos].size = size;
+ a->pos++;
+ return buf;
}
/* Notice: we can only put chars in the range -1639,1638 (-32768/20,32768/20).
If we set it to low, however, the char positions will be inaccurate */
#define GLYPH_SCALE 1
-static void endtext(gfxdevice_t*dev)
+static void chararray_writetodev(gfxdevice_t*dev, chararray_t*array, MATRIX*matrix)
{
swfoutput_internal*i = (swfoutput_internal*)dev->internal;
- if(i->textid<0)
- return;
-
+
+ int textid = getNewID(dev);
i->tag = swf_InsertTag(i->tag,ST_DEFINETEXT2);
- swf_SetU16(i->tag, i->textid);
-
+ swf_SetU16(i->tag, textid);
SRECT r;
- r = getcharacterbbox(dev, i->swffont, &i->fontmatrix);
+ r = getcharacterbbox(array, matrix);
r = swf_ClipRect(i->pagebbox, r);
swf_SetRect(i->tag,&r);
+ swf_SetMatrix(i->tag, matrix);
+ msg("<trace> Placing text as ID %d", textid);
+ chararray_writetotag(array, i->tag);
+ i->chardata = 0;
- swf_SetMatrix(i->tag,&i->fontmatrix);
-
- msg("<trace> Placing text (%d characters) as ID %d", i->chardatapos, i->textid);
-
- putcharacters(dev, i->tag);
swf_SetU8(i->tag,0);
if(i->swf->fileVersion >= 8) {
i->tag = swf_InsertTag(i->tag, ST_CSMTEXTSETTINGS);
- swf_SetU16(i->tag, i->textid);
+ swf_SetU16(i->tag, textid);
//swf_SetU8(i->tag, /*subpixel grid*/(2<<3)|/*flashtype*/0x40);
swf_SetU8(i->tag, /*grid*/(1<<3)|/*flashtype*/0x40);
swf_SetU8(i->tag, 0);//reserved
}
i->tag = swf_InsertTag(i->tag,ST_PLACEOBJECT2);
-
- swf_ObjectPlace(i->tag,i->textid,getNewDepth(dev),&i->page_matrix,NULL,NULL);
- i->textid = -1;
+ swf_ObjectPlace(i->tag,textid,getNewDepth(dev),&i->page_matrix,NULL,NULL);
+}
+
+static void charbuffer_writetodevandfree(gfxdevice_t*dev, charbuffer_t*buf)
+{
+ while(buf) {
+ charbuffer_t*next = buf->next;buf->next = 0;
+ chararray_writetodev(dev, buf->array, &buf->matrix);
+ chararray_destroy(buf->array);
+ free(buf);
+ buf = next;
+ }
}
-/* set's the matrix which is to be applied to characters drawn by swfoutput_drawchar() */
+static void endtext(gfxdevice_t*dev)
+{
+ swfoutput_internal*i = (swfoutput_internal*)dev->internal;
+ if(!i->textmode)
+ return;
+ charbuffer_writetodevandfree(dev, i->chardata);i->chardata = 0;
+ i->textmode = 0;
+}
+
+/* sets the matrix which is to be applied to characters drawn by swfoutput_drawchar() */
static void setfontscale(gfxdevice_t*dev,double m11,double m12, double m21,double m22,double x, double y, char force)
{
m11 *= 1024;
i->lastfontm21 == m21 &&
i->lastfontm22 == m22 && !force)
return;
- if(i->textid>=0)
+ if(i->textmode)
endtext(dev);
i->lastfontm11 = m11;
{
swfoutput_internal*i = (swfoutput_internal*)dev->internal;
if(i->pagefinished)
- return;
+ return;
if(i->shapeid>=0)
- endshape(dev);
- if(i->textid>=0)
- endtext(dev);
+ endshape(dev);
+ if(i->textmode)
+ endtext(dev);
+ if(i->topchardata) {
+ charbuffer_writetodevandfree(dev, i->topchardata);
+ i->topchardata=0;
+ }
while(i->clippos)
dev->endclip(dev);
i->lastframeno = i->frameno;
i->firstpage = 0;
i->pagefinished = 0;
+ i->chardata = 0;
}
void swf_endframe(gfxdevice_t*dev)
if(i->config_watermark) {
insert_watermark(dev, 0);
}
- i->textid = getNewID(dev);
+ i->textmode = 1;
i->swflastx=i->swflasty=0;
}
swfoutput_internal*i = (swfoutput_internal*)dev->internal;
if(i->shapeid>=0)
endshape(dev);
- if(i->textid>=0)
+ if(i->textmode)
endtext(dev);
/* TODO: escape special characters in url */
if(i->shapeid>=0)
endshape(dev);
- if(i->textid>=0)
+ if(i->textmode)
endtext(dev);
if(!i->config_internallinkfunction || i->config_flashversion>=9) {
if(i->shapeid>=0)
endshape(dev);
- if(i->textid>=0)
+ if(i->textmode)
endtext(dev);
if(!strncmp(tmp, "call:", 5))
i->config_caplinewidth = atof(value);
} else if(!strcmp(name, "linktarget")) {
i->config_linktarget = strdup(value);
+ } else if(!strcmp(name, "invisibletexttofront")) {
+ i->config_invisibletexttofront = atoi(value);
} else if(!strcmp(name, "noclips")) {
i->config_noclips = atoi(value);
} else if(!strcmp(name, "dumpfonts")) {
swfoutput_internal*i = (swfoutput_internal*)dev->internal;
if(i->config_noclips)
return;
- if(i->textid>=0)
+ if(i->textmode)
endtext(dev);
if(i->shapeid>=0)
endshape(dev);
gfxbbox_t r = gfxline_getbbox(line);
int is_outside_page = !is_inside_page(dev, r.xmin, r.ymin) || !is_inside_page(dev, r.xmax, r.ymax);
- //if(i->chardatapos && i->chardata[i->chardatapos-1].color.a) {
endtext(dev);
if(!i->config_ignoredraworder)
if(!i->swffont || !i->swffont->name || strcmp((char*)i->swffont->name,font->id)) // not equal to current font
{
- /* TODO: remove the need for this (enhance getcharacterbbox so that it can cope
- with multiple fonts */
- endtext(dev);
swf_switchfont(dev, font->id); // set the current font
}
+
if(!i->swffont) {
msg("<warning> swf_drawchar: Font is NULL");
return;
i->fontmatrix.r0/65536.0 * i->fontmatrix.r1/65536.0;
if(fabs(det) < 0.0005) {
/* x direction equals y direction- the text is invisible */
- msg("<verbose> Not drawing invisible character character %d (det=%f, m=[%f %f;%f %f]\n", glyph,
+ msg("<verbose> Not drawing invisible character %d (det=%f, m=[%f %f;%f %f]\n", glyph,
det,
i->fontmatrix.sx/65536.0, i->fontmatrix.r1/65536.0,
i->fontmatrix.r0/65536.0, i->fontmatrix.sy/65536.0);
if(i->shapeid>=0)
endshape(dev);
- if(i->textid<0)
+ if(!i->textmode)
starttext(dev);
msg("<trace> Drawing char %d in font %d at %d,%d in color %02x%02x%02x%02x",
glyph, i->swffont->id, x, y, color->r, color->g, color->b, color->a);
- putcharacter(dev, i->swffont->id, glyph, x, y, i->current_font_size, *(RGBA*)color);
+ if(color->a == 0 && i->config_invisibletexttofront) {
+ i->topchardata = charbuffer_append(i->topchardata, i->swffont, glyph, x, y, i->current_font_size, *(RGBA*)color, &i->fontmatrix);
+ } else {
+ i->chardata = charbuffer_append(i->chardata, i->swffont, glyph, x, y, i->current_font_size, *(RGBA*)color, &i->fontmatrix);
+ }
swf_FontUseGlyph(i->swffont, glyph);
return;
}