root/lib/pdf/BitmapOutputDev.cc
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DEFINITIONS
This source file includes following definitions.
- getVectorAntialias
- setVectorAntialias
- setDevice
- setMove
- setClip
- setParameter
- setPageMap
- flushBitmap
- flushText
- writeMonoBitmap
- writeBitmap
- writeAlpha
- checkAlphaSanity
- fixBBox
- update_bitmap
- clearBooleanBitmap
- dbg_newdata
- checkNewText
- checkNewBitmap
- clip0and1differ
- compare8
- intersection
- startPage
- endPage
- finishPage
- upsideDown
- useDrawChar
- useTilingPatternFill
- useShadedFills
- useDrawForm
- interpretType3Chars
- needNonText
- setDefaultCTM
- saveState
- restoreState
- updateAll
- updateCTM
- updateLineDash
- updateFlatness
- updateLineJoin
- updateLineCap
- updateMiterLimit
- updateLineWidth
- updateStrokeAdjust
- updateFillColorSpace
- updateStrokeColorSpace
- updateFillColor
- updateStrokeColor
- updateBlendMode
- updateFillOpacity
- updateStrokeOpacity
- updateFillOverprint
- updateStrokeOverprint
- updateTransfer
- updateFont
- updateTextMat
- updateCharSpace
- updateRender
- updateRise
- updateWordSpace
- updateHorizScaling
- updateTextPos
- updateTextShift
- max
- min
- getBBox
- stroke
- area_is_plain_colored
- fill
- eoFill
- tilingPatternFill
- tilingPatternFill
- functionShadedFill
- axialShadedFill
- radialShadedFill
- clip
- eoClip
- clipToStrokePath
- beginStringOp
- beginString
- clearClips
- clearBoolPolyDev
- clearBoolTextDev
- drawChar
- drawString
- endTextObject
- endString
- endStringOp
- beginType3Char
- type3D0
- type3D1
- endType3Char
- getDict
- getStream
- getImageBBox
- invalid_size
- drawImageMask
- drawImage
- drawMaskedImage
- drawSoftMaskedImage
- drawForm
- processLink
- flushEverything
- beginTransparencyGroup
- endTransparencyGroup
- paintTransparencyGroup
- setSoftMask
- clearSoftMask
/* InfoOutputDev.h
Output Device which creates a bitmap.
Swftools is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Swftools is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with swftools; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <stdlib.h>
#include <stdio.h>
#include <memory.h>
#include <assert.h>
#include "config.h"
#include "BitmapOutputDev.h"
#include "GFXOutputDev.h"
#include "SplashBitmap.h"
#include "SplashPattern.h"
#include "Splash.h"
#include "../log.h"
#include "../png.h"
#include "../devices/record.h"
#include "../gfxtools.h"
#include "../types.h"
#include "bbox.h"
#define UNKNOWN_BOUNDING_BOX 0,0,0,0
static SplashColor splash_white = {255,255,255};
static SplashColor splash_black = {0,0,0};
ClipState::ClipState()
{
this->next = 0;
this->clipbitmap = 0;
this->written = 0;
}
BitmapOutputDev::BitmapOutputDev(InfoOutputDev*info, PDFDoc*doc)
{
this->info = info;
this->doc = doc;
this->xref = doc->getXRef();
/* color graphic output device, for creating bitmaps */
this->rgbdev = new SplashOutputDev(splashModeRGB8, 1, gFalse, splash_white, gTrue, gTrue);
/* color mode for binary bitmaps */
SplashColorMode colorMode = splashModeMono1;
/* two devices for testing things against clipping: one clips, the other doesn't */
this->clip0dev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
this->clip1dev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
/* device indicating where polygonal pixels were drawn */
this->boolpolydev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
/* device indicating where text pixels were drawn */
this->booltextdev = new SplashOutputDev(colorMode, 1, gFalse, splash_black, gTrue, gFalse);
/* device for handling texts and links */
this->gfxdev = new GFXOutputDev(info, this->doc);
this->rgbdev->startDoc(this->xref);
this->boolpolydev->startDoc(this->xref);
this->booltextdev->startDoc(this->xref);
this->clip0dev->startDoc(this->xref);
this->clip1dev->startDoc(this->xref);
this->gfxoutput = (gfxdevice_t*)malloc(sizeof(gfxdevice_t));
gfxdevice_record_init(this->gfxoutput, 0);
this->gfxdev->setDevice(this->gfxoutput);
this->config_extrafontdata = 0;
this->config_optimizeplaincolorfills = 0;
this->bboxpath = 0;
//this->clipdev = 0;
//this->clipstates = 0;
}
BitmapOutputDev::~BitmapOutputDev()
{
if(this->gfxoutput) {
gfxresult_t*r = this->gfxoutput->finish(this->gfxoutput);
r->destroy(r);
free(this->gfxoutput);this->gfxoutput = 0;
}
if(this->bboxpath) {
delete this->bboxpath;this->bboxpath = 0;
}
if(this->rgbdev) {
delete this->rgbdev;this->rgbdev = 0;
}
if(this->gfxdev) {
delete this->gfxdev;this->gfxdev= 0;
}
if(this->boolpolydev) {
delete this->boolpolydev;this->boolpolydev = 0;
}
if(this->stalepolybitmap) {
delete this->stalepolybitmap;this->stalepolybitmap = 0;
}
if(this->staletextbitmap) {
delete this->staletextbitmap;this->staletextbitmap = 0;
}
if(this->booltextdev) {
delete this->booltextdev;this->booltextdev = 0;
}
if(this->clip0dev) {
delete this->clip0dev;this->clip0dev = 0;
}
if(this->clip1dev) {
delete this->clip1dev;this->clip1dev = 0;
}
//if(this->clipbitmap) {
// delete this->clipbitmap;this->clipbitmap = 0;
//}
//if(this->clipdev) {
// delete this->clipdev;this->clipdev = 0;
//}
}
GBool BitmapOutputDev::getVectorAntialias()
{
return this->rgbdev->getVectorAntialias();
}
void BitmapOutputDev::setVectorAntialias(GBool vaa)
{
this->rgbdev->setVectorAntialias(vaa);
}
void BitmapOutputDev::setDevice(gfxdevice_t*dev)
{
this->dev = dev;
}
void BitmapOutputDev::setMove(int x,int y)
{
this->gfxdev->setMove(x,y);
this->user_movex = x;
this->user_movey = y;
}
void BitmapOutputDev::setClip(int x1,int y1,int x2,int y2)
{
this->gfxdev->setClip(x1,y1,x2,y2);
this->user_clipx1 = x1;
this->user_clipy1 = y1;
this->user_clipx2 = x2;
this->user_clipy2 = y2;
}
void BitmapOutputDev::setParameter(const char*key, const char*value)
{
if(!strcmp(key, "extrafontdata")) {
this->config_extrafontdata = atoi(value);
}
this->gfxdev->setParameter(key, value);
}
void BitmapOutputDev::setPageMap(int*page2page, int num_pages)
{
this->gfxdev->setPageMap(page2page, num_pages);
}
void writeBitmap(SplashBitmap*bitmap, char*filename);
void writeAlpha(SplashBitmap*bitmap, char*filename);
static int dbg_btm_counter=1;
void BitmapOutputDev::flushBitmap()
{
int width = rgbdev->getBitmapWidth();
int height = rgbdev->getBitmapHeight();
if(sizeof(SplashColor)!=3) {
msg("<error> sizeof(SplashColor)!=3");
return;
}
/*static int counter=0;
if(!counter) {
writeBitmap(rgbdev->getBitmap(), "test.png");
} counter++;*/
/*static int counter=0;
char filename[160];
sprintf(filename, "test%d.png", counter++);
writeBitmap(rgbbitmap, filename);*/
SplashColorPtr rgb = rgbbitmap->getDataPtr();
Guchar*alpha = rgbbitmap->getAlphaPtr();
Guchar*alpha2 = stalepolybitmap->getDataPtr();
int width8 = (stalepolybitmap->getWidth()+7)/8;
/*char filename[80];
sprintf(filename, "flush%d_mask.png", dbg_btm_counter);
writeAlpha(stalepolybitmap, filename);
sprintf(filename, "flush%d_alpha.png", dbg_btm_counter);
writeAlpha(rgbbitmap, filename);
sprintf(filename, "flush%d_bitmap.png", dbg_btm_counter);
writeBitmap(rgbbitmap, filename);*/
ibbox_t* boxes = get_bitmap_bboxes((unsigned char*)alpha, width, height);
ibbox_t*b;
for(b=boxes;b;b=b->next) {
int xmin = b->xmin;
int ymin = b->ymin;
int xmax = b->xmax;
int ymax = b->ymax;
/* clip against (-movex, -movey, -movex+width, -movey+height) */
msg("<verbose> Flushing bitmap (bbox: %d,%d,%d,%d %dx%d) (clipped against %d,%d,%d,%d)", xmin,ymin,xmax,ymax, xmax-xmin, ymax-ymin,
-this->movex, -this->movey, -this->movex+this->width, -this->movey+this->height);
if(xmin < -this->movex) {
xmin = -this->movex;
if(xmax < -this->movex) continue;
}
if(ymin < -this->movey) {
ymin = -this->movey;
if(ymax < -this->movey) continue;
}
if(xmax >= -this->movex + this->width) {
xmax = -this->movex+this->width;
if(xmin >= -this->movex + this->width) continue;
}
if(ymax >= -this->movey + this->height) {
ymax = -this->movey+this->height;
if(ymin >= -this->movey + this->height) continue;
}
if((xmax-xmin)<=0 || (ymax-ymin)<=0) // no bitmap, nothing to do
continue;
int rangex = xmax-xmin;
int rangey = ymax-ymin;
gfximage_t*img = (gfximage_t*)malloc(sizeof(gfximage_t));
img->data = (gfxcolor_t*)malloc(rangex * rangey * 4);
img->width = rangex;
img->height = rangey;
int x,y;
for(y=0;y<rangey;y++) {
SplashColorPtr in=&rgb[((y+ymin)*width+xmin)*sizeof(SplashColor)];
gfxcolor_t*out = &img->data[y*rangex];
Guchar*ain = &alpha[(y+ymin)*width+xmin];
Guchar*ain2 = &alpha2[(y+ymin)*width8];
if(this->emptypage) {
for(x=0;x<rangex;x++) {
/* the first bitmap on the page doesn't need to have an alpha channel-
blend against a white background*/
out[x].r = (in[x*3+0]*ain[x])/255 + 255-ain[x];
out[x].g = (in[x*3+1]*ain[x])/255 + 255-ain[x];
out[x].b = (in[x*3+2]*ain[x])/255 + 255-ain[x];
out[x].a = 255;
}
} else {
for(x=0;x<rangex;x++) {
if(!(ain2[(x+xmin)/8]&(0x80>>((x+xmin)&7)))) {
/* cut away pixels that we don't remember drawing (i.e., that are
not in the monochrome bitmap). Prevents some "hairlines" showing
up to the left and right of bitmaps. */
out[x].r = 0;out[x].g = 0;out[x].b = 0;out[x].a = 0;
} else {
/* according to endPage()/compositeBackground() in xpdf/SplashOutputDev.cc, this
data has non-premultiplied alpha, which is exactly what the output device
expects, so don't premultiply it here, either.
*/
out[x].r = in[x*3+0];
out[x].g = in[x*3+1];
out[x].b = in[x*3+2];
out[x].a = ain[x];
}
}
}
}
/* transform bitmap rectangle to "device space" */
xmin += movex;
ymin += movey;
xmax += movex;
ymax += movey;
gfxmatrix_t m;
m.tx = xmin;
m.ty = ymin;
m.m00 = m.m11 = 1;
m.m10 = m.m01 = 0;
m.tx -= 0.5;
m.ty -= 0.5;
gfxline_t* line = gfxline_makerectangle(xmin, ymin, xmax, ymax);
dev->fillbitmap(dev, line, img, &m, 0);
gfxline_free(line);
free(img->data);img->data=0;free(img);img=0;
}
ibbox_destroy(boxes);
memset(rgbbitmap->getAlphaPtr(), 0, rgbbitmap->getWidth()*rgbbitmap->getHeight());
memset(rgbbitmap->getDataPtr(), 0, rgbbitmap->getRowSize()*rgbbitmap->getHeight());
this->emptypage = 0;
}
void BitmapOutputDev::flushText()
{
msg("<verbose> Flushing text");
static gfxfontlist_t*output_font_list = 0;
static gfxdevice_t*last = 0;
if(last != this->dev) {
if(output_font_list)
gfxfontlist_free(output_font_list, 0);
output_font_list = gfxfontlist_create();
}
gfxdevice_record_flush(this->gfxoutput, this->dev, &output_font_list);
last = this->dev;
this->emptypage = 0;
}
void writeMonoBitmap(SplashBitmap*btm, char*filename)
{
int width8 = (btm->getWidth()+7)/8;
int width = btm->getWidth();
int height = btm->getHeight();
gfxcolor_t*b = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
unsigned char*data = btm->getDataPtr();
int x,y;
for(y=0;y<height;y++) {
unsigned char*l = &data[width8*y];
gfxcolor_t*d = &b[width*y];
for(x=0;x<width;x++) {
if(l[x>>3]&(128>>(x&7))) {
d[x].r = d[x].b = d[x].a = 255;
d[x].g = 0;
} else {
d[x].r = d[x].g = d[x].b = d[x].a = 0;
}
}
}
writePNG(filename, (unsigned char*)b, width, height);
free(b);
}
void writeBitmap(SplashBitmap*bitmap, char*filename)
{
int y,x;
int width = bitmap->getWidth();
int height = bitmap->getHeight();
gfxcolor_t*data = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
if(bitmap->getMode()==splashModeMono1) {
writeMonoBitmap(bitmap, filename);
return;
}
for(y=0;y<height;y++) {
gfxcolor_t*line = &data[y*width];
for(x=0;x<width;x++) {
Guchar c[4] = {0,0,0,0};
bitmap->getPixel(x,y,c);
line[x].r = c[0];
line[x].g = c[1];
line[x].b = c[2];
line[x].a = bitmap->getAlpha(x,y);
}
}
writePNG(filename, (unsigned char*)data, width, height);
free(data);
}
void writeAlpha(SplashBitmap*bitmap, char*filename)
{
int y,x;
int width = bitmap->getWidth();
int height = bitmap->getHeight();
if(bitmap->getMode()==splashModeMono1) {
writeMonoBitmap(bitmap, filename);
return;
}
gfxcolor_t*data = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
for(y=0;y<height;y++) {
gfxcolor_t*line = &data[y*width];
for(x=0;x<width;x++) {
int a = bitmap->getAlpha(x,y);
line[x].r = a;
line[x].g = 0;
line[x].b = a;
line[x].a = a;
}
}
writePNG(filename, (unsigned char*)data, width, height);
free(data);
}
static const char*STATE_NAME[] = {"parallel", "textabovebitmap", "bitmapabovetext"};
int checkAlphaSanity(SplashBitmap*boolbtm, SplashBitmap*alphabtm)
{
assert(boolbtm->getWidth() == alphabtm->getWidth());
assert(boolbtm->getHeight() == alphabtm->getHeight());
if(boolbtm->getMode()==splashModeMono1) {
return 1;
}
int width = boolbtm->getWidth();
int height = boolbtm->getHeight();
int bad=0;
int x,y;
for(y=0;y<height;y++) {
for(x=0;x<width;x++) {
int a1 = alphabtm->getAlpha(x,y);
int a2 = boolbtm->getAlpha(x,y);
if(a1!=a2) {
bad++;
}
}
}
double badness = bad/(double)(width*height);
if(badness>0.2) {
msg("<error> Bitmaps don't correspond: %d out of %d pixels wrong (%.2f%%)", bad, width*height,
badness*100.0);
return 0;
}
msg("<notice> %f", badness);
return 1;
}
static inline GBool fixBBox(int*x1, int*y1, int*x2, int*y2, int width, int height)
{
if(!(*x1|*y1|*x2|*y2)) {
// undefined bbox
*x1 = *y1 = 0;
*x2 = width;
*y2 = height;
return gTrue;
}
if(*x2<=*x1) return gFalse;
if(*x2<0) return gFalse;
if(*x1<0) *x1 = 0;
if(*x1>=width) return gFalse;
if(*x2>width) *x2=width;
if(*y2<=*y1) return gFalse;
if(*y2<0) return gFalse;
if(*y1<0) *y1 = 0;
if(*y1>=height) return gFalse;
if(*y2>height) *y2=height;
return gTrue;
}
static void update_bitmap(SplashBitmap*bitmap, SplashBitmap*update, int x1, int y1, int x2, int y2, char overwrite)
{
assert(bitmap->getMode()==splashModeMono1);
assert(update->getMode()==splashModeMono1);
int width8 = (bitmap->getWidth()+7)/8;
assert(width8 == bitmap->getRowSize());
assert(width8 == update->getRowSize());
int height = bitmap->getHeight();
assert(height == update->getHeight());
if(!fixBBox(&x1, &y1, &x2, &y2, bitmap->getWidth(), bitmap->getHeight()))
return;
Guchar*b = bitmap->getDataPtr() + y1*width8 + x1/8;
Guchar*u = update->getDataPtr() + y1*width8 + x1/8;
int yspan = y2-y1;
int xspan = (x2+7)/8 - x1/8;
int size = (y2-y1)*width8;
if(overwrite) {
int y;
for(y=0;y<yspan;y++) {
memcpy(b, u, xspan);
b += width8;
u += width8;
}
} else {
if(((ptroff_t)b&7)==((ptroff_t)u&7)) {
int x,y;
for(y=0;y<yspan;y++) {
Guchar*e1 = b+xspan-8;
Guchar*e2 = b+xspan;
while(((ptroff_t)b&7) && b<e1) {
*b |= *u;
b++;u++;
}
while(b<e1) {
*(long long*)b |= *(long long*)u;
b+=8;u+=8;
}
while(b<e2) {
*b |= *u;
b++;u++;
}
b += width8-xspan;
u += width8-xspan;
}
} else {
int x,y;
for(y=0;y<yspan;y++) {
for(x=0;x<xspan;x++) {
b[x] |= u[x];
}
b += width8;
u += width8;
}
}
}
}
static void clearBooleanBitmap(SplashBitmap*btm, int x1, int y1, int x2, int y2)
{
if(!fixBBox(&x1, &y1, &x2, &y2, btm->getWidth(), btm->getHeight()))
return;
if(btm->getMode()==splashModeMono1) {
int width8 = (btm->getWidth()+7)/8;
assert(width8 == btm->getRowSize());
int width = btm->getWidth();
int height = btm->getHeight();
Guchar*data = btm->getDataPtr();
memset(data+y1*width8, 0, width8*(y2-y1));
} else {
int width = btm->getAlphaRowSize();
int height = btm->getHeight();
memset(btm->getAlphaPtr(), 0, width*height);
}
}
void BitmapOutputDev::dbg_newdata(char*newdata)
{
if(0) {
char filename1[80];
char filename2[80];
char filename3[80];
sprintf(filename1, "state%03dboolbitmap_after%s.png", dbg_btm_counter, newdata);
sprintf(filename2, "state%03dbooltext_after%s.png", dbg_btm_counter, newdata);
sprintf(filename3, "state%03dbitmap_after%s.png", dbg_btm_counter, newdata);
msg("<verbose> %s %s %s", filename1, filename2, filename3);
writeAlpha(stalepolybitmap, filename1);
writeAlpha(booltextbitmap, filename2);
writeBitmap(rgbdev->getBitmap(), filename3);
}
dbg_btm_counter++;
}
GBool BitmapOutputDev::checkNewText(int x1, int y1, int x2, int y2)
{
/* called once some new text was drawn on booltextdev, and
before the same thing is drawn on gfxdev */
msg("<trace> Testing new text data against current bitmap data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
GBool ret = false;
if(intersection(booltextbitmap, stalepolybitmap, x1,y1,x2,y2)) {
if(layerstate==STATE_PARALLEL) {
/* the new text is above the bitmap. So record that fact. */
msg("<verbose> Text is above current bitmap/polygon data");
layerstate=STATE_TEXT_IS_ABOVE;
update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
} else if(layerstate==STATE_BITMAP_IS_ABOVE) {
/* there's a bitmap above the (old) text. So we need
to flush out that text, and record that the *new*
text is now *above* the bitmap
*/
msg("<verbose> Text is above current bitmap/polygon data (which is above some other text)");
flushText();
layerstate=STATE_TEXT_IS_ABOVE;
clearBoolTextDev();
/* re-apply the update (which we would otherwise lose) */
update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 1);
ret = true;
} else {
/* we already know that the current text section is
above the current bitmap section- now just new
bitmap data *and* new text data was drawn, and
*again* it's above the current bitmap. */
msg("<verbose> Text is still above current bitmap/polygon data");
update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
}
} else {
update_bitmap(staletextbitmap, booltextbitmap, x1, y1, x2, y2, 0);
}
/* clear the thing we just drew from our temporary drawing bitmap */
clearBooleanBitmap(booltextbitmap, x1, y1, x2, y2);
return ret;
}
GBool BitmapOutputDev::checkNewBitmap(int x1, int y1, int x2, int y2)
{
/* similar to checkNewText() above, only in reverse */
msg("<trace> Testing new graphics data against current text data, state=%s, counter=%d\n", STATE_NAME[layerstate], dbg_btm_counter);
GBool ret = false;
if(intersection(boolpolybitmap, staletextbitmap, x1,y1,x2,y2)) {
if(layerstate==STATE_PARALLEL) {
msg("<verbose> Bitmap is above current text data");
layerstate=STATE_BITMAP_IS_ABOVE;
update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
} else if(layerstate==STATE_TEXT_IS_ABOVE) {
msg("<verbose> Bitmap is above current text data (which is above some bitmap)");
flushBitmap();
layerstate=STATE_BITMAP_IS_ABOVE;
clearBoolPolyDev();
update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 1);
ret = true;
} else {
msg("<verbose> Bitmap is still above current text data");
update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
}
} else {
update_bitmap(stalepolybitmap, boolpolybitmap, x1, y1, x2, y2, 0);
}
/* clear the thing we just drew from our temporary drawing bitmap */
clearBooleanBitmap(boolpolybitmap, x1, y1, x2, y2);
return ret;
}
//void checkNewText() {
// Guchar*alpha = rgbbitmap->getAlphaPtr();
// Guchar*charpixels = clip1bitmap->getDataPtr();
// int xx,yy;
// for(yy=0;yy<height;yy++) {
// Guchar*aline = &alpha[yy*width];
// Guchar*cline = &charpixels[yy*width8];
// for(xx=0;xx<width;xx++) {
// int bit = xx&7;
// int bytepos = xx>>3;
// /* TODO: is the bit order correct? */
// if(aline[xx] && (cline[bytepos]&(1<<bit)))
// break;
// }
// if(xx!=width)
// break;
//}
GBool BitmapOutputDev::clip0and1differ(int x1,int y1,int x2,int y2)
{
if(clip0bitmap->getMode()==splashModeMono1) {
int width = clip0bitmap->getWidth();
int width8 = (width+7)/8;
int height = clip0bitmap->getHeight();
if(!fixBBox(&x1,&y1,&x2,&y2,width,height)) {
/* area is outside or null */
return gFalse;
}
SplashBitmap*clip0 = clip0bitmap;
SplashBitmap*clip1 = clip1bitmap;
int x18 = x1/8;
int x28 = (x2+7)/8;
int y;
for(y=y1;y<y2;y++) {
unsigned char*row1 = &clip0bitmap->getDataPtr()[width8*y+x18];
unsigned char*row2 = &clip1bitmap->getDataPtr()[width8*y+x18];
if(memcmp(row1, row2, x28-x18)) {
return gTrue;
}
}
return gFalse;
} else {
SplashBitmap*clip0 = clip0bitmap;
SplashBitmap*clip1 = clip1bitmap;
int width = clip0->getAlphaRowSize();
int height = clip0->getHeight();
if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
x1=y1=0;x2=y2=1;
}
Guchar*a0 = clip0->getAlphaPtr();
Guchar*a1 = clip1->getAlphaPtr();
int x,y;
char differs=0;
for(y=y1;y<y2;y++) {
for(x=x1;x<x2;x++) {
if(a0[y*width+x]!=a1[y*width+x]) {
differs=1;
break;
}
}
if(differs)
break;
}
char differs2 = memcmp(a0, a1, width*height);
if(differs && !differs2)
msg("<warning> Strange internal error (2)");
else if(!differs && differs2) {
msg("<warning> Bad Bounding Box: Difference in clip0 and clip1 outside bbox");
msg("<warning> %d %d %d %d", x1, y1, x2, y2);
}
return differs2;
}
}
GBool compare8(unsigned char*data1, unsigned char*data2, int len)
{
if(!len)
return 0;
if(((ptroff_t)data1&7)==((ptroff_t)data2&7)) {
// oh good, we can align both to 8 byte
while((ptroff_t)data1&7) {
if(*data1&*data2)
return 1;
data1++;
data2++;
if(!--len)
return 0;
}
}
/* use 64 bit for the (hopefully aligned) middle section */
int l8 = len/8;
long long unsigned int*d1 = (long long unsigned int*)data1;
long long unsigned int*d2 = (long long unsigned int*)data2;
long long unsigned int x = 0;
int t;
for(t=0;t<l8;t++) {
x |= d1[t]&d2[t];
}
if(x)
return 1;
data1+=l8*8;
data2+=l8*8;
len -= l8*8;
for(t=0;t<len;t++) {
if(data1[t]&data2[t]) {
return 1;
}
}
return 0;
}
GBool BitmapOutputDev::intersection(SplashBitmap*boolpoly, SplashBitmap*booltext, int x1, int y1, int x2, int y2)
{
if(boolpoly->getMode()==splashModeMono1) {
/* alternative implementation, using one bit per pixel-
needs the no-dither patch in xpdf */
int width = boolpoly->getWidth();
int height = boolpoly->getHeight();
if(!fixBBox(&x1,&y1,&x2,&y2, width, height)) {
return gFalse;
}
Guchar*polypixels = boolpoly->getDataPtr();
Guchar*textpixels = booltext->getDataPtr();
int width8 = (width+7)/8;
int runx = width8;
int runy = height;
if(x1|y1|x2|y2) {
polypixels+=y1*width8+x1/8;
textpixels+=y1*width8+x1/8;
runx=(x2+7)/8 - x1/8;
runy=y2-y1;
}
int t;
unsigned char c=0;
/*assert(sizeof(unsigned long long int)==8);
if(((ptroff_t)polypixels&7) || ((ptroff_t)textpixels&7)) {
//msg("<warning> Non-optimal alignment");
}*/
int x,y;
unsigned char*data1 = (unsigned char*)polypixels;
unsigned char*data2 = (unsigned char*)textpixels;
msg("<verbose> Testing area (%d,%d,%d,%d), runx=%d,runy=%d", x1,y1,x2,y2, runx, runy);
for(y=0;y<runy;y++) {
if(compare8(data1,data2,runx))
return gTrue;
data1+=width8;
data2+=width8;
}
return gFalse;
} else {
int width = boolpoly->getAlphaRowSize();
int height = boolpoly->getHeight();
if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
x1=y1=0;x2=y2=1;
}
Guchar*polypixels = boolpoly->getAlphaPtr();
Guchar*textpixels = booltext->getAlphaPtr();
int x,y;
char overlap1 = 0;
char overlap2 = 0;
for(x=x1;x<x2;x++) {
for(y=y1;y<y2;y++) {
if(polypixels[width*y+x]&&textpixels[width*y+x])
overlap1 = 1;
}
}
int ax1=0,ay1=0,ax2=0,ay2=0;
for(y=0;y<height;y++) {
for(x=0;x<width;x++) {
if(polypixels[width*y+x]&&textpixels[width*y+x]) {
overlap2 = 1;
if(!(ax1|ay1|ax2|ay2)) {
ax1 = ax2 = x;
ay1 = ay2 = y;
} else {
ax1 = ax1<x?ax1:x;
ay1 = ay1<y?ay1:y;
ax2 = ax2>x?ax2:x;
ay2 = ay2>y?ay2:y;
}
}
}
}
if(overlap1 && !overlap2)
msg("<warning> strange internal error");
if(!overlap1 && overlap2) {
msg("<warning> Bad bounding box: intersection outside bbox");
msg("<warning> given bbox: %d %d %d %d", x1, y1, x2, y2);
msg("<warning> changed area: %d %d %d %d", ax1, ay1, ax2, ay2);
}
return overlap2;
}
}
void BitmapOutputDev::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->movex = -(int)x1 - user_movex;
this->movey = -(int)y1 - user_movey;
if(user_clipx1|user_clipy1|user_clipx2|user_clipy2) {
x1 = user_clipx1;
x2 = user_clipx2;
y1 = user_clipy1;
y2 = user_clipy2;
}
this->width = (int)(x2-x1);
this->height = (int)(y2-y1);
rgbdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
boolpolydev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
booltextdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
clip0dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
clip1dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
gfxdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
boolpolybitmap = boolpolydev->getBitmap();
stalepolybitmap = new SplashBitmap(boolpolybitmap->getWidth(), boolpolybitmap->getHeight(), 1, boolpolybitmap->getMode(), 0);
assert(stalepolybitmap->getRowSize() == boolpolybitmap->getRowSize());
booltextbitmap = booltextdev->getBitmap();
staletextbitmap = new SplashBitmap(booltextbitmap->getWidth(), booltextbitmap->getHeight(), 1, booltextbitmap->getMode(), 0);
assert(staletextbitmap->getRowSize() == booltextbitmap->getRowSize());
msg("<debug> startPage %dx%d (%dx%d)", this->width, this->height, booltextbitmap->getWidth(), booltextbitmap->getHeight());
clip0bitmap = clip0dev->getBitmap();
clip1bitmap = clip1dev->getBitmap();
rgbbitmap = rgbdev->getBitmap();
flushText(); // write out the initial clipping rectangle
/* just in case any device did draw a white background rectangle
into the device */
clearBoolTextDev();
clearBoolPolyDev();
this->layerstate = STATE_PARALLEL;
this->emptypage = 1;
msg("<debug> startPage done");
}
void BitmapOutputDev::endPage()
{
msg("<verbose> endPage (BitmapOutputDev)");
/* notice: we're not fully done yet with this page- there might still be
a few calls to drawLink() yet to come */
}
void BitmapOutputDev::finishPage()
{
msg("<verbose> finishPage (BitmapOutputDev)");
gfxdev->endPage();
flushEverything();
/* splash will now destroy alpha, and paint the
background color into the "holes" in the bitmap */
boolpolydev->endPage();
booltextdev->endPage();
rgbdev->endPage();
clip0dev->endPage();
clip1dev->endPage();
}
GBool BitmapOutputDev::upsideDown()
{
boolpolydev->upsideDown();
booltextdev->upsideDown();
clip0dev->upsideDown();
clip1dev->upsideDown();
return rgbdev->upsideDown();
}
GBool BitmapOutputDev::useDrawChar()
{
boolpolydev->useDrawChar();
booltextdev->useDrawChar();
clip0dev->useDrawChar();
clip1dev->useDrawChar();
return rgbdev->useDrawChar();
}
GBool BitmapOutputDev::useTilingPatternFill()
{
boolpolydev->useTilingPatternFill();
booltextdev->useTilingPatternFill();
clip0dev->useTilingPatternFill();
clip1dev->useTilingPatternFill();
return rgbdev->useTilingPatternFill();
}
GBool BitmapOutputDev::useShadedFills()
{
boolpolydev->useShadedFills();
booltextdev->useShadedFills();
clip0dev->useShadedFills();
clip1dev->useShadedFills();
return rgbdev->useShadedFills();
}
GBool BitmapOutputDev::useDrawForm()
{
boolpolydev->useDrawForm();
booltextdev->useDrawForm();
clip0dev->useDrawForm();
clip1dev->useDrawForm();
return rgbdev->useDrawForm();
}
GBool BitmapOutputDev::interpretType3Chars()
{
boolpolydev->interpretType3Chars();
booltextdev->interpretType3Chars();
clip0dev->interpretType3Chars();
clip1dev->interpretType3Chars();
return rgbdev->interpretType3Chars();
}
GBool BitmapOutputDev::needNonText()
{
boolpolydev->needNonText();
booltextdev->needNonText();
clip0dev->needNonText();
clip1dev->needNonText();
return rgbdev->needNonText();
}
/*GBool BitmapOutputDev::checkPageSlice(Page *page, double hDPI, double vDPI,
int rotate, GBool useMediaBox, GBool crop,
int sliceX, int sliceY, int sliceW, int sliceH,
GBool printing, Catalog *catalog,
GBool (*abortCheckCbk)(void *data),
void *abortCheckCbkData)
{
return gTrue;
}*/
void BitmapOutputDev::setDefaultCTM(double *ctm)
{
boolpolydev->setDefaultCTM(ctm);
booltextdev->setDefaultCTM(ctm);
rgbdev->setDefaultCTM(ctm);
clip0dev->setDefaultCTM(ctm);
clip1dev->setDefaultCTM(ctm);
gfxdev->setDefaultCTM(ctm);
}
void BitmapOutputDev::saveState(GfxState *state)
{
boolpolydev->saveState(state);
booltextdev->saveState(state);
rgbdev->saveState(state);
clip0dev->saveState(state);
clip1dev->saveState(state);
/*ClipState*cstate = new ClipState();
cstate->next = this->clipstates;
this->clipstates = cstate;*/
}
void BitmapOutputDev::restoreState(GfxState *state)
{
boolpolydev->restoreState(state);
booltextdev->restoreState(state);
rgbdev->restoreState(state);
clip0dev->restoreState(state);
clip1dev->restoreState(state);
/*if(this->clipstates) {
ClipState*old = this->clipstates;
if(old->written) {
gfxdev->restoreState(state);
}
this->clipstates = this->clipstates->next;
delete(old);
} else {
msg("<error> invalid restoreState()");
}*/
}
void BitmapOutputDev::updateAll(GfxState *state)
{
boolpolydev->updateAll(state);
booltextdev->updateAll(state);
rgbdev->updateAll(state);
clip0dev->updateAll(state);
clip1dev->updateAll(state);
gfxdev->updateAll(state);
}
void BitmapOutputDev::updateCTM(GfxState *state, double m11, double m12, double m21, double m22, double m31, double m32)
{
boolpolydev->updateCTM(state,m11,m12,m21,m22,m31,m32);
booltextdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
rgbdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
clip0dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
clip1dev->updateCTM(state,m11,m12,m21,m22,m31,m32);
gfxdev->updateCTM(state,m11,m12,m21,m22,m31,m32);
}
void BitmapOutputDev::updateLineDash(GfxState *state)
{
boolpolydev->updateLineDash(state);
booltextdev->updateLineDash(state);
rgbdev->updateLineDash(state);
clip0dev->updateLineDash(state);
clip1dev->updateLineDash(state);
gfxdev->updateLineDash(state);
}
void BitmapOutputDev::updateFlatness(GfxState *state)
{
boolpolydev->updateFlatness(state);
booltextdev->updateFlatness(state);
rgbdev->updateFlatness(state);
clip0dev->updateFlatness(state);
clip1dev->updateFlatness(state);
gfxdev->updateFlatness(state);
}
void BitmapOutputDev::updateLineJoin(GfxState *state)
{
boolpolydev->updateLineJoin(state);
booltextdev->updateLineJoin(state);
rgbdev->updateLineJoin(state);
clip0dev->updateLineJoin(state);
clip1dev->updateLineJoin(state);
gfxdev->updateLineJoin(state);
}
void BitmapOutputDev::updateLineCap(GfxState *state)
{
boolpolydev->updateLineCap(state);
booltextdev->updateLineCap(state);
rgbdev->updateLineCap(state);
clip0dev->updateLineCap(state);
clip1dev->updateLineCap(state);
gfxdev->updateLineCap(state);
}
void BitmapOutputDev::updateMiterLimit(GfxState *state)
{
boolpolydev->updateMiterLimit(state);
booltextdev->updateMiterLimit(state);
rgbdev->updateMiterLimit(state);
clip0dev->updateMiterLimit(state);
clip1dev->updateMiterLimit(state);
gfxdev->updateMiterLimit(state);
}
void BitmapOutputDev::updateLineWidth(GfxState *state)
{
boolpolydev->updateLineWidth(state);
booltextdev->updateLineWidth(state);
rgbdev->updateLineWidth(state);
clip0dev->updateLineWidth(state);
clip1dev->updateLineWidth(state);
gfxdev->updateLineWidth(state);
}
void BitmapOutputDev::updateStrokeAdjust(GfxState *state)
{
boolpolydev->updateStrokeAdjust(state);
booltextdev->updateStrokeAdjust(state);
rgbdev->updateStrokeAdjust(state);
clip0dev->updateStrokeAdjust(state);
clip1dev->updateStrokeAdjust(state);
gfxdev->updateStrokeAdjust(state);
}
void BitmapOutputDev::updateFillColorSpace(GfxState *state)
{
boolpolydev->updateFillColorSpace(state);
booltextdev->updateFillColorSpace(state);
rgbdev->updateFillColorSpace(state);
clip0dev->updateFillColorSpace(state);
clip1dev->updateFillColorSpace(state);
gfxdev->updateFillColorSpace(state);
}
void BitmapOutputDev::updateStrokeColorSpace(GfxState *state)
{
boolpolydev->updateStrokeColorSpace(state);
booltextdev->updateStrokeColorSpace(state);
rgbdev->updateStrokeColorSpace(state);
clip0dev->updateStrokeColorSpace(state);
clip1dev->updateStrokeColorSpace(state);
gfxdev->updateStrokeColorSpace(state);
}
void BitmapOutputDev::updateFillColor(GfxState *state)
{
boolpolydev->updateFillColor(state);
booltextdev->updateFillColor(state);
rgbdev->updateFillColor(state);
clip0dev->updateFillColor(state);
clip1dev->updateFillColor(state);
gfxdev->updateFillColor(state);
}
void BitmapOutputDev::updateStrokeColor(GfxState *state)
{
boolpolydev->updateStrokeColor(state);
booltextdev->updateStrokeColor(state);
rgbdev->updateStrokeColor(state);
clip0dev->updateStrokeColor(state);
clip1dev->updateStrokeColor(state);
gfxdev->updateStrokeColor(state);
}
void BitmapOutputDev::updateBlendMode(GfxState *state)
{
boolpolydev->updateBlendMode(state);
booltextdev->updateBlendMode(state);
rgbdev->updateBlendMode(state);
clip0dev->updateBlendMode(state);
clip1dev->updateBlendMode(state);
gfxdev->updateBlendMode(state);
}
void BitmapOutputDev::updateFillOpacity(GfxState *state)
{
boolpolydev->updateFillOpacity(state);
booltextdev->updateFillOpacity(state);
rgbdev->updateFillOpacity(state);
clip0dev->updateFillOpacity(state);
clip1dev->updateFillOpacity(state);
gfxdev->updateFillOpacity(state);
}
void BitmapOutputDev::updateStrokeOpacity(GfxState *state)
{
boolpolydev->updateStrokeOpacity(state);
booltextdev->updateStrokeOpacity(state);
rgbdev->updateStrokeOpacity(state);
clip0dev->updateStrokeOpacity(state);
clip1dev->updateStrokeOpacity(state);
gfxdev->updateStrokeOpacity(state);
}
void BitmapOutputDev::updateFillOverprint(GfxState *state)
{
boolpolydev->updateFillOverprint(state);
booltextdev->updateFillOverprint(state);
rgbdev->updateFillOverprint(state);
clip0dev->updateFillOverprint(state);
clip1dev->updateFillOverprint(state);
gfxdev->updateFillOverprint(state);
}
void BitmapOutputDev::updateStrokeOverprint(GfxState *state)
{
boolpolydev->updateStrokeOverprint(state);
booltextdev->updateStrokeOverprint(state);
rgbdev->updateStrokeOverprint(state);
clip0dev->updateStrokeOverprint(state);
clip1dev->updateStrokeOverprint(state);
gfxdev->updateStrokeOverprint(state);
}
void BitmapOutputDev::updateTransfer(GfxState *state)
{
boolpolydev->updateTransfer(state);
booltextdev->updateTransfer(state);
rgbdev->updateTransfer(state);
clip0dev->updateTransfer(state);
clip1dev->updateTransfer(state);
gfxdev->updateTransfer(state);
}
void BitmapOutputDev::updateFont(GfxState *state)
{
boolpolydev->updateFont(state);
booltextdev->updateFont(state);
rgbdev->updateFont(state);
clip0dev->updateFont(state);
clip1dev->updateFont(state);
gfxdev->updateFont(state);
}
void BitmapOutputDev::updateTextMat(GfxState *state)
{
boolpolydev->updateTextMat(state);
booltextdev->updateTextMat(state);
rgbdev->updateTextMat(state);
clip0dev->updateTextMat(state);
clip1dev->updateTextMat(state);
gfxdev->updateTextMat(state);
}
void BitmapOutputDev::updateCharSpace(GfxState *state)
{
boolpolydev->updateCharSpace(state);
booltextdev->updateCharSpace(state);
rgbdev->updateCharSpace(state);
clip0dev->updateCharSpace(state);
clip1dev->updateCharSpace(state);
gfxdev->updateCharSpace(state);
}
void BitmapOutputDev::updateRender(GfxState *state)
{
boolpolydev->updateRender(state);
booltextdev->updateRender(state);
rgbdev->updateRender(state);
clip0dev->updateRender(state);
clip1dev->updateRender(state);
gfxdev->updateRender(state);
}
void BitmapOutputDev::updateRise(GfxState *state)
{
boolpolydev->updateRise(state);
booltextdev->updateRise(state);
rgbdev->updateRise(state);
clip0dev->updateRise(state);
clip1dev->updateRise(state);
gfxdev->updateRise(state);
}
void BitmapOutputDev::updateWordSpace(GfxState *state)
{
boolpolydev->updateWordSpace(state);
booltextdev->updateWordSpace(state);
rgbdev->updateWordSpace(state);
clip0dev->updateWordSpace(state);
clip1dev->updateWordSpace(state);
gfxdev->updateWordSpace(state);
}
void BitmapOutputDev::updateHorizScaling(GfxState *state)
{
boolpolydev->updateHorizScaling(state);
booltextdev->updateHorizScaling(state);
rgbdev->updateHorizScaling(state);
clip0dev->updateHorizScaling(state);
clip1dev->updateHorizScaling(state);
gfxdev->updateHorizScaling(state);
}
void BitmapOutputDev::updateTextPos(GfxState *state)
{
boolpolydev->updateTextPos(state);
booltextdev->updateTextPos(state);
rgbdev->updateTextPos(state);
clip0dev->updateTextPos(state);
clip1dev->updateTextPos(state);
gfxdev->updateTextPos(state);
}
void BitmapOutputDev::updateTextShift(GfxState *state, double shift)
{
boolpolydev->updateTextShift(state, shift);
booltextdev->updateTextShift(state, shift);
rgbdev->updateTextShift(state, shift);
clip0dev->updateTextShift(state, shift);
clip1dev->updateTextShift(state, shift);
gfxdev->updateTextShift(state, shift);
}
double max(double x, double y)
{
return x>y?x:y;
}
double min(double x, double y)
{
return x<y?x:y;
}
gfxbbox_t BitmapOutputDev::getBBox(GfxState*state)
{
GfxPath * path = state->getPath();
int num = path->getNumSubpaths();
gfxbbox_t bbox = {0,0,1,1};
char valid=0;
int t;
for(t = 0; t < num; t++) {
GfxSubpath *subpath = path->getSubpath(t);
int subnum = subpath->getNumPoints();
int s;
for(s=0;s<subnum;s++) {
double x,y;
state->transform(subpath->getX(s),subpath->getY(s),&x,&y);
if(!valid) {
bbox.xmin = x; bbox.ymin = y;
bbox.xmax = x; bbox.ymax = y;
valid = 1;
} else {
bbox.xmin = min(bbox.xmin, x);
bbox.ymin = min(bbox.ymin, y);
bbox.xmax = max(bbox.xmax, x);
bbox.ymax = max(bbox.ymax, y);
}
}
}
return bbox;
}
void BitmapOutputDev::stroke(GfxState *state)
{
msg("<debug> stroke");
boolpolydev->stroke(state);
gfxbbox_t bbox = getBBox(state);
double width = state->getTransformedLineWidth();
bbox.xmin -= width; bbox.ymin -= width;
bbox.xmax += width; bbox.ymax += width;
checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
rgbdev->stroke(state);
dbg_newdata("stroke");
}
extern gfxcolor_t getFillColor(GfxState * state);
char area_is_plain_colored(GfxState*state, SplashBitmap*boolpoly, SplashBitmap*rgbbitmap, int x1, int y1, int x2, int y2)
{
int width = boolpoly->getWidth();
int height = boolpoly->getHeight();
if(!fixBBox(&x1, &y1, &x2, &y2, width, height)) {
return 0;
}
gfxcolor_t color = getFillColor(state);
SplashColorPtr rgb = rgbbitmap->getDataPtr()
+ (y1*width+x1)*sizeof(SplashColor);
int width8 = (width+7)/8;
unsigned char*bits = (unsigned char*)boolpoly->getDataPtr()
+ (y1*width8+x1);
int x,y;
int w = x2-x1;
int h = y2-y1;
for(y=0;y<h;y++) {
for(x=0;x<w;x++) {
if(rgb[x*3+0] != color.r ||
rgb[x*3+1] != color.g ||
rgb[x*3+2] != color.b)
return 0;
}
rgb += width*sizeof(SplashColor);
}
return 1;
}
void BitmapOutputDev::fill(GfxState *state)
{
msg("<debug> fill");
boolpolydev->fill(state);
gfxbbox_t bbox = getBBox(state);
if(config_optimizeplaincolorfills) {
if(area_is_plain_colored(state, boolpolybitmap, rgbbitmap, bbox.xmin, bbox.ymin, bbox.xmax, bbox.ymax)) {
return;
}
}
checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
rgbdev->fill(state);
dbg_newdata("fill");
}
void BitmapOutputDev::eoFill(GfxState *state)
{
msg("<debug> eoFill");
boolpolydev->eoFill(state);
gfxbbox_t bbox = getBBox(state);
checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
rgbdev->eoFill(state);
dbg_newdata("eofill");
}
#if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
void BitmapOutputDev::tilingPatternFill(GfxState *state, Object *str,
int paintType, Dict *resDict,
double *mat, double *bbox,
int x0, int y0, int x1, int y1,
double xStep, double yStep)
{
msg("<debug> tilingPatternFill");
boolpolydev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->tilingPatternFill(state, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
dbg_newdata("tilingpatternfill");
}
#else
void BitmapOutputDev::tilingPatternFill(GfxState *state, Gfx *gfx, Object *str,
int paintType, Dict *resDict,
double *mat, double *bbox,
int x0, int y0, int x1, int y1,
double xStep, double yStep)
{
msg("<debug> tilingPatternFill");
boolpolydev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->tilingPatternFill(state, gfx, str, paintType, resDict, mat, bbox, x0, y0, x1, y1, xStep, yStep);
dbg_newdata("tilingpatternfill");
}
#endif
GBool BitmapOutputDev::functionShadedFill(GfxState *state, GfxFunctionShading *shading)
{
msg("<debug> functionShadedFill");
boolpolydev->functionShadedFill(state, shading);
checkNewBitmap(UNKNOWN_BOUNDING_BOX);
return rgbdev->functionShadedFill(state, shading);
}
GBool BitmapOutputDev::axialShadedFill(GfxState *state, GfxAxialShading *shading)
{
msg("<debug> axialShadedFill");
boolpolydev->axialShadedFill(state, shading);
checkNewBitmap(UNKNOWN_BOUNDING_BOX);
return rgbdev->axialShadedFill(state, shading);
}
GBool BitmapOutputDev::radialShadedFill(GfxState *state, GfxRadialShading *shading)
{
msg("<debug> radialShadedFill");
boolpolydev->radialShadedFill(state, shading);
checkNewBitmap(UNKNOWN_BOUNDING_BOX);
return rgbdev->radialShadedFill(state, shading);
}
SplashColor black = {0,0,0};
SplashColor white = {255,255,255};
void BitmapOutputDev::clip(GfxState *state)
{
msg("<debug> clip");
boolpolydev->clip(state);
booltextdev->clip(state);
rgbdev->clip(state);
clip1dev->clip(state);
}
void BitmapOutputDev::eoClip(GfxState *state)
{
msg("<debug> eoClip");
boolpolydev->eoClip(state);
booltextdev->eoClip(state);
rgbdev->eoClip(state);
clip1dev->eoClip(state);
}
void BitmapOutputDev::clipToStrokePath(GfxState *state)
{
msg("<debug> clipToStrokePath");
boolpolydev->clipToStrokePath(state);
booltextdev->clipToStrokePath(state);
rgbdev->clipToStrokePath(state);
clip1dev->clipToStrokePath(state);
}
void BitmapOutputDev::beginStringOp(GfxState *state)
{
msg("<debug> beginStringOp");
clip0dev->beginStringOp(state);
clip1dev->beginStringOp(state);
booltextdev->beginStringOp(state);
gfxdev->beginStringOp(state);
}
void BitmapOutputDev::beginString(GfxState *state, GString *s)
{
msg("<debug> beginString");
clip0dev->beginString(state, s);
clip1dev->beginString(state, s);
booltextdev->beginString(state, s);
gfxdev->beginString(state, s);
}
void BitmapOutputDev::clearClips()
{
clearBooleanBitmap(clip0bitmap, 0, 0, 0, 0);
clearBooleanBitmap(clip1bitmap, 0, 0, 0, 0);
}
void BitmapOutputDev::clearBoolPolyDev()
{
clearBooleanBitmap(stalepolybitmap, 0, 0, stalepolybitmap->getWidth(), stalepolybitmap->getHeight());
}
void BitmapOutputDev::clearBoolTextDev()
{
clearBooleanBitmap(staletextbitmap, 0, 0, staletextbitmap->getWidth(), staletextbitmap->getHeight());
}
void BitmapOutputDev::drawChar(GfxState *state, double x, double y,
double dx, double dy,
double originX, double originY,
CharCode code, int nBytes, Unicode *u, int uLen)
{
msg("<debug> drawChar render=%d", state->getRender());
if(state->getRender()&RENDER_CLIP) {
//char is just a clipping boundary
rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
} else if(state->getRender()&RENDER_STROKE) {
// we're drawing as stroke
boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
} else if(rgbbitmap != rgbdev->getBitmap()) {
// we're doing softmasking or transparency grouping
boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
} else {
// we're drawing a regular char
clearClips();
clip0dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
clip1dev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
/* calculate the bbox of this character */
int x1 = (int)x, x2 = (int)x+1, y1 = (int)y, y2 = (int)y+1;
SplashFont*font = clip0dev->getCurrentFont();
SplashPath*path = font?font->getGlyphPath(code):NULL;
x-=originX;
y-=originY;
if(path) {
path->offset((SplashCoord)x, (SplashCoord)y);
int t;
for(t=0;t<path->getLength();t++) {
double xx,yy;
Guchar f;
path->getPoint(t,&xx,&yy,&f);
state->transform(xx,yy,&xx,&yy);
if(xx<x1) x1=(int)xx;
if(yy<y1) y1=(int)yy;
if(xx>=x2) x2=(int)xx+1;
if(yy>=y2) y2=(int)yy+1;
}
delete(path);path=0;
}
/* if this character is affected somehow by the various clippings (i.e., it looks
different on a device without clipping), then draw it on the bitmap, not as
text */
if(clip0and1differ(x1,y1,x2,y2)) {
msg("<verbose> Char %d is affected by clipping", code);
boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
checkNewBitmap(x1,y1,x2,y2);
rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
if(config_extrafontdata) {
int oldrender = state->getRender();
state->setRender(3); //invisible
gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
state->setRender(oldrender);
}
} else {
/* this char is not at all affected by clipping.
Now just dump out the bitmap we're currently working on, if necessary. */
booltextdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
checkNewText(x1,y1,x2,y2);
/* use polygonal output device to do the actual text handling */
gfxdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
}
}
dbg_newdata("text");
}
void BitmapOutputDev::drawString(GfxState *state, GString *s)
{
msg("<error> internal error: drawString not implemented");
return;
}
void BitmapOutputDev::endTextObject(GfxState *state)
{
msg("<debug> endTextObject");
rgbdev->endTextObject(state);
clip0dev->endTextObject(state);
clip1dev->endTextObject(state);
booltextdev->endTextObject(state);
/* the only thing "drawn" here is clipping */
//checkNewText(UNKNOWN_BOUNDING_BOX);
gfxdev->endTextObject(state);
dbg_newdata("endtextobject");
}
void BitmapOutputDev::endString(GfxState *state)
{
msg("<debug> endString");
clip0dev->endString(state);
clip1dev->endString(state);
booltextdev->endString(state);
int render = state->getRender();
if(render != RENDER_INVISIBLE && render != RENDER_FILL) {
/* xpdf draws things like stroke text or fill+stroke text in the
endString() method */
checkNewText(UNKNOWN_BOUNDING_BOX);
}
gfxdev->endString(state);
dbg_newdata("endstring");
}
void BitmapOutputDev::endStringOp(GfxState *state)
{
msg("<debug> endStringOp");
clip0dev->endStringOp(state);
clip1dev->endStringOp(state);
booltextdev->endStringOp(state);
gfxdev->endStringOp(state);
dbg_newdata("endstringop");
}
/* TODO: these four operations below *should* do nothing, as type3
chars are drawn using operations like fill() */
GBool BitmapOutputDev::beginType3Char(GfxState *state, double x, double y,
double dx, double dy,
CharCode code, Unicode *u, int uLen)
{
msg("<debug> beginType3Char");
/* call gfxdev so that it can generate "invisible" characters
on top of the actual graphic content, for text extraction */
return gfxdev->beginType3Char(state, x, y, dx, dy, code, u, uLen);
}
void BitmapOutputDev::type3D0(GfxState *state, double wx, double wy)
{
msg("<debug> type3D0");
return gfxdev->type3D0(state, wx, wy);
}
void BitmapOutputDev::type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury)
{
msg("<debug> type3D1");
return gfxdev->type3D1(state, wx, wy, llx, lly, urx, ury);
}
void BitmapOutputDev::endType3Char(GfxState *state)
{
msg("<debug> endType3Char");
gfxdev->endType3Char(state);
}
class CopyStream: public Object
{
Dict*dict;
char*buf;
MemStream*memstream;
public:
CopyStream(Stream*str, int len)
{
buf = 0;
str->reset();
if(len) {
buf = (char*)malloc(len);
int t;
for (t=0; t<len; t++)
buf[t] = str->getChar();
}
str->close();
this->dict = str->getDict();
this->memstream = new MemStream(buf, 0, len, this);
}
~CopyStream()
{
::free(this->buf);this->buf = 0;
delete this->memstream;
}
Dict* getDict() {return dict;}
Stream* getStream() {return this->memstream;};
};
gfxbbox_t BitmapOutputDev::getImageBBox(GfxState*state)
{
gfxbbox_t bbox;
double x,y;
state->transform(0, 1, &x, &y);
bbox.xmin=bbox.xmax = x;
bbox.ymin=bbox.ymax = y;
state->transform(0, 0, &x, &y);
bbox.xmin=min(bbox.xmin,x);
bbox.ymin=min(bbox.ymin,y);
bbox.xmax=max(bbox.xmax,x);
bbox.ymax=max(bbox.ymax,y);
state->transform(1, 0, &x, &y);
bbox.xmin=min(bbox.xmin,x);
bbox.ymin=min(bbox.ymin,y);
bbox.xmax=max(bbox.xmax,x);
bbox.ymax=max(bbox.ymax,y);
state->transform(1, 1, &x, &y);
bbox.xmin=min(bbox.xmin,x);
bbox.ymin=min(bbox.ymin,y);
bbox.xmax=max(bbox.xmax,x);
bbox.ymax=max(bbox.ymax,y);
return bbox;
}
GBool invalid_size(int width, int height)
{
if((U64)width*(U64)height > 0x7fffffffll)
return 1;
return 0;
}
void BitmapOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
int width, int height, GBool invert,
GBool inlineImg)
{
msg("<debug> drawImageMask streamkind=%d", str->getKind());
if(invalid_size(width,height)) return;
CopyStream*cpystr = new CopyStream(str, height * ((width + 7) / 8));
str = cpystr->getStream();
boolpolydev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
gfxbbox_t bbox = getImageBBox(state);
checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
rgbdev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
delete cpystr;
dbg_newdata("imagemask");
}
void BitmapOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
int width, int height, GfxImageColorMap *colorMap,
int *maskColors, GBool inlineImg)
{
msg("<debug> drawImage streamkind=%d", str->getKind());
if(invalid_size(width,height)) return;
CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
str = cpystr->getStream();
boolpolydev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
gfxbbox_t bbox=getImageBBox(state);
checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
rgbdev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
delete cpystr;
dbg_newdata("image");
}
void BitmapOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
int width, int height,
GfxImageColorMap *colorMap,
Stream *maskStr, int maskWidth, int maskHeight,
GBool maskInvert)
{
msg("<debug> drawMaskedImage streamkind=%d", str->getKind());
if(invalid_size(width,height)) return;
CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
str = cpystr->getStream();
boolpolydev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
gfxbbox_t bbox=getImageBBox(state);
checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
rgbdev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
delete cpystr;
dbg_newdata("maskedimage");
}
void BitmapOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
int width, int height,
GfxImageColorMap *colorMap,
Stream *maskStr,
int maskWidth, int maskHeight,
GfxImageColorMap *maskColorMap)
{
msg("<debug> drawSoftMaskedImage %dx%d (%dx%d) streamkind=%d", width, height, maskWidth, maskHeight, str->getKind());
if(invalid_size(width,height)) return;
CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
str = cpystr->getStream();
boolpolydev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
gfxbbox_t bbox=getImageBBox(state);
checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax));
rgbdev->drawSoftMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap);
delete cpystr;
dbg_newdata("softmaskimage");
}
void BitmapOutputDev::drawForm(Ref id)
{
msg("<debug> drawForm");
boolpolydev->drawForm(id);
checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->drawForm(id);
}
void BitmapOutputDev::processLink(Link *link, Catalog *catalog)
{
msg("<debug> processLink");
flushEverything();
gfxdev->processLink(link, catalog);
}
void BitmapOutputDev::flushEverything()
{
if(layerstate == STATE_BITMAP_IS_ABOVE) {
this->flushText();
this->flushBitmap();
} else {
this->flushBitmap();
this->flushText();
}
}
void BitmapOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
GfxColorSpace *blendingColorSpace,
GBool isolated, GBool knockout,
GBool forSoftMask)
{
msg("<debug> beginTransparencyGroup");
#if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
GfxState*state1 = state->copy();
GfxState*state2 = state->copy();
state1->setPath(0);
state1->setPath(state->getPath()->copy());
state2->setPath(0);
state2->setPath(state->getPath()->copy());
#else
GfxState*state1 = state->copy(gTrue);
GfxState*state2 = state->copy(gTrue);
#endif
boolpolydev->beginTransparencyGroup(state1, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
rgbdev->beginTransparencyGroup(state2, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
clip1dev->beginTransparencyGroup(state, bbox, blendingColorSpace, isolated, knockout, forSoftMask);
delete state1;
delete state2;
dbg_newdata("endtransparencygroup");
}
void BitmapOutputDev::endTransparencyGroup(GfxState *state)
{
msg("<debug> endTransparencyGroup");
#if (xpdfMajorVersion*10000 + xpdfMinorVersion*100 + xpdfUpdateVersion) < 30207
GfxState*state1 = state->copy();
GfxState*state2 = state->copy();
state1->setPath(0);
state1->setPath(state->getPath()->copy());
state2->setPath(0);
state2->setPath(state->getPath()->copy());
#else
GfxState*state1 = state->copy(gTrue);
GfxState*state2 = state->copy(gTrue);
#endif
boolpolydev->endTransparencyGroup(state1);
checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->endTransparencyGroup(state2);
delete state1;
delete state2;
clip1dev->endTransparencyGroup(state);
dbg_newdata("endtransparencygroup");
}
void BitmapOutputDev::paintTransparencyGroup(GfxState *state, double *bbox)
{
msg("<debug> paintTransparencyGroup");
boolpolydev->paintTransparencyGroup(state,bbox);
checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->paintTransparencyGroup(state,bbox);
clip1dev->paintTransparencyGroup(state,bbox);
dbg_newdata("painttransparencygroup");
}
void BitmapOutputDev::setSoftMask(GfxState *state, double *bbox, GBool alpha, Function *transferFunc, GfxColor *backdropColor)
{
msg("<debug> setSoftMask");
boolpolydev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
clip1dev->setSoftMask(state, bbox, alpha, transferFunc, backdropColor);
dbg_newdata("setsoftmask");
}
void BitmapOutputDev::clearSoftMask(GfxState *state)
{
msg("<debug> clearSoftMask");
boolpolydev->clearSoftMask(state);
checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->clearSoftMask(state);
clip1dev->clearSoftMask(state);
dbg_newdata("clearsoftmask");
}