#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 "../types.h"
+
+#define UNKNOWN_BOUNDING_BOX 0,0,0,0
static SplashColor splash_white = {255,255,255};
-static SplashColor splash_black = {255,255,255};
+static SplashColor splash_black = {0,0,0};
ClipState::ClipState()
{
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);
- this->clip0dev = new SplashOutputDev(splashModeMono1, 1, gFalse, splash_black, gTrue, gFalse);
- this->clip1dev = new SplashOutputDev(splashModeMono1, 1, gFalse, splash_black, gTrue, gFalse);
+
+ /* color mode for binary bitmaps */
+ SplashColorMode colorMode = splashModeMono8;
+
+ /* 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);
+
+ this->gfxdev->setDevice(this->gfxoutput);
- this->config_bitmapfonts = 0;
this->config_extrafontdata = 0;
this->bboxpath = 0;
//this->clipdev = 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;
+ 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->booltextdev) {
+ delete this->booltextdev;this->booltextdev = 0;
}
if(this->clip0dev) {
- delete this->clip0dev;this->clip0dev= 0;
+ delete this->clip0dev;this->clip0dev = 0;
}
if(this->clip1dev) {
- delete this->clip1dev;this->clip1dev= 0;
+ delete this->clip1dev;this->clip1dev = 0;
}
//if(this->clipbitmap) {
// delete this->clipbitmap;this->clipbitmap = 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;
- this->gfxdev->setDevice(dev);
}
void BitmapOutputDev::setMove(int x,int y)
{
{
if(!strcmp(key, "extrafontdata")) {
this->config_extrafontdata = atoi(value);
- } else if(!strcmp(key, "bitmapfonts")) {
- this->config_bitmapfonts = atoi(value);
}
this->gfxdev->setParameter(key, value);
}
{
}
-void getBitmapBBox(Guchar*alpha, int width, int height, int*xmin, int*ymin, int*xmax, int*ymax)
+static void getBitmapBBox(Guchar*alpha, int width, int height, int*xmin, int*ymin, int*xmax, int*ymax)
{
*ymin = -1;
*xmin = width;
}
}
-void BitmapOutputDev::flush()
+void BitmapOutputDev::flushBitmap()
{
int width = rgbdev->getBitmapWidth();
int height = rgbdev->getBitmapHeight();
- SplashColorPtr rgb = rgbdev->getBitmap()->getDataPtr();
- Guchar*alpha = rgbdev->getBitmap()->getAlphaPtr();
+
+ SplashColorPtr rgb = rgbbitmap->getDataPtr();
+ Guchar*alpha = rgbbitmap->getAlphaPtr();
+ Guchar*alpha2 = boolpolybitmap->getAlphaPtr();
int xmin,ymin,xmax,ymax;
getBitmapBBox(alpha, width, height, &xmin,&ymin,&xmax,&ymax);
if(xmax > -this->movex + width) xmax = -this->movex+this->width;
if(ymax > -this->movey + height) ymax = -this->movey+this->height;
- msg("<verbose> Flushing graphics (bbox: %d,%d,%d,%d)", xmin,ymin,xmax,ymax);
+ msg("<verbose> Flushing bitmap (bbox: %d,%d,%d,%d)", xmin,ymin,xmax,ymax);
if((xmax-xmin)<=0 || (ymax-ymin)<=0) // no bitmap, nothing to do
return;
//xmin = ymin = 0;
//xmax = width;
//ymax = height;
-
+
int rangex = xmax-xmin;
int rangey = ymax-ymin;
gfximage_t*img = (gfximage_t*)malloc(sizeof(gfximage_t));
SplashColorPtr in=&rgb[((y+ymin)*width+xmin)*sizeof(SplashColor)];
gfxcolor_t*out = &img->data[y*rangex];
Guchar*ain = &alpha[(y+ymin)*width+xmin];
- for(x=0;x<rangex;x++) {
- 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];
+ Guchar*ain2 = &alpha2[(y+ymin)*width+xmin];
+ 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]) {
+ 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, we
+ have to premultiply alpha (mix background and pixel according to the alpha channel).
+ */
+ out[x].r = (in[x*3+0]*ain[x])/255;
+ out[x].g = (in[x*3+1]*ain[x])/255;
+ out[x].b = (in[x*3+2]*ain[x])/255;
+ out[x].a = ain[x];
+ }
}
}
/* transform bitmap rectangle to "device space" */
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);
- memset(rgbdev->getBitmap()->getAlphaPtr(), 0, rgbdev->getBitmap()->getWidth()*rgbdev->getBitmap()->getHeight());
- memset(rgbdev->getBitmap()->getDataPtr(), 0, rgbdev->getBitmap()->getWidth()*rgbdev->getBitmap()->getHeight()*sizeof(SplashColor));
+ memset(rgbbitmap->getAlphaPtr(), 0, rgbbitmap->getWidth()*rgbbitmap->getHeight());
+ memset(rgbbitmap->getDataPtr(), 0, rgbbitmap->getRowSize()*rgbbitmap->getHeight());
free(img->data);img->data=0;free(img);img=0;
+
+ this->emptypage = 0;
+}
+
+void BitmapOutputDev::flushText()
+{
+ msg("<verbose> Flushing text/polygons");
+ gfxdevice_record_flush(this->gfxoutput, this->dev);
+
+ this->emptypage = 0;
+}
+
+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);
+
+ for(y=0;y<height;y++) {
+ gfxcolor_t*line = &data[y*width];
+ for(x=0;x<width;x++) {
+ Guchar c[4];
+ bitmap->getPixel(x,y,c);
+ int a = bitmap->getAlpha(x,y);
+ line[x].r = c[0];
+ line[x].g = c[1];
+ line[x].b = c[2];
+ line[x].a = a;
+ }
+ }
+ 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();
+
+ 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 = a;
+ line[x].b = a;
+ line[x].a = 255;
+ }
+ }
+ writePNG(filename, (unsigned char*)data, width, height);
+ free(data);
+}
+static int dbg_btm_counter=1;
+
+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;
+}
+
+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);
+
+ char filename1[80];
+ char filename2[80];
+ char filename3[80];
+ sprintf(filename1, "state%dboolbitmap_afternewtext.png", dbg_btm_counter);
+ sprintf(filename2, "state%dbooltext_afternewtext.png", dbg_btm_counter);
+ sprintf(filename3, "state%dbitmap_afternewtext.png", dbg_btm_counter);
+ if(0) {
+ msg("<verbose> %s %s %s", filename1, filename2, filename3);
+ writeAlpha(boolpolybitmap, filename1);
+ writeAlpha(booltextbitmap, filename2);
+ writeBitmap(rgbdev->getBitmap(), filename3);
+ }
+ dbg_btm_counter++;
+
+ GBool ret = false;
+ if(intersection(x1,y1,x2,y2)) {
+ if(layerstate==STATE_PARALLEL) {
+ /* the new text is above the bitmap. So record that fact,
+ and also clear the bitmap buffer, so we can check for
+ new intersections */
+ msg("<verbose> Text is above current bitmap/polygon data");
+ layerstate=STATE_TEXT_IS_ABOVE;
+ clearBoolPolyDev(x1,y1,x2,y2);
+ } 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;
+ /* clear both bool devices- the text device because
+ we just dumped out all the (old) text, and the
+ poly dev so we can check for new intersections */
+ clearBoolPolyDev(x1,y1,x2,y2);
+ /* FIXME this destroys the text pixels we just
+ drew to test for the intersection- however we need
+ those to check for the *new* intersections */
+ clearBoolTextDev(x1,y1,x2,y2);
+ 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- so clear
+ the polygon bitmap again, so we can check for
+ new intersections */
+ msg("<verbose> Text is still above current bitmap/polygon data");
+ clearBoolPolyDev(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);
+
+ char filename1[80];
+ char filename2[80];
+ char filename3[80];
+ sprintf(filename1, "state%dboolbitmap_afternewgfx.png", dbg_btm_counter);
+ sprintf(filename2, "state%dbooltext_afternewgfx.png", dbg_btm_counter);
+ sprintf(filename3, "state%dbitmap_afternewgfx.png", dbg_btm_counter);
+
+ if(0) {
+ msg("<verbose> %s %s %s", filename1, filename2, filename3);
+ writeAlpha(boolpolybitmap, filename1);
+ writeAlpha(booltextbitmap, filename2);
+ writeBitmap(rgbdev->getBitmap(), filename3);
+ }
+ dbg_btm_counter++;
+
+ GBool ret = false;
+ if(intersection(x1,y1,x2,y2)) {
+ if(layerstate==STATE_PARALLEL) {
+ msg("<verbose> Bitmap is above current text data");
+ layerstate=STATE_BITMAP_IS_ABOVE;
+ clearBoolTextDev(x1,y1,x2,y2);
+ } 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;
+ clearBoolTextDev(x1,y1,x2,y2);
+ /* FIXME this destroys the polygon pixels we just
+ drew to test for the intersection- however we need
+ those to check for the *new* intersections */
+ clearBoolPolyDev(x1,y1,x2,y2);
+ ret = true;
+ } else {
+ msg("<verbose> Bitmap is still above current text data");
+ clearBoolTextDev(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) {
+ if(x2<=x1)
+ return gFalse;
+ if(x2<0)
+ return gFalse;
+ if(x1<0)
+ x1 = 0;
+ if(x1>=clip0bitmap->getWidth())
+ return gFalse;
+ if(x2>clip0bitmap->getWidth())
+ x2=clip0bitmap->getWidth();
+
+ if(y2<=y1)
+ return gFalse;
+ if(y2<0)
+ return gFalse;
+ if(y1<0)
+ y1 = 0;
+ if(y1>=clip0bitmap->getHeight())
+ return gFalse;
+ if(y2>clip0bitmap->getHeight())
+ y2=clip0bitmap->getHeight();
+
+ SplashBitmap*clip0 = clip0bitmap;
+ SplashBitmap*clip1 = clip1bitmap;
+ int width8 = (clip0bitmap->getWidth()+7)/8;
+ int height = clip0bitmap->getHeight();
+ 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+x28];
+ if(memcmp(row1, row2, x28-x18))
+ return gTrue;
+ }
+ return gFalse;
+ } else {
+ if(x1<0) x1=0;
+ if(x2<0) x2=0;
+ if(y1<0) y1=0;
+ if(y2<0) y2=0;
+ if(x1>clip0bitmap->getWidth()) x1=clip0bitmap->getWidth();
+ if(y1>clip0bitmap->getHeight()) y1=clip0bitmap->getHeight();
+ if(x2>clip0bitmap->getWidth()) x2=clip0bitmap->getWidth();
+ if(y2>clip0bitmap->getHeight()) y2=clip0bitmap->getHeight();
+ if(x1>x2) x1=x2;
+ if(y1>x2) y1=y2;
+
+ SplashBitmap*clip0 = clip0bitmap;
+ SplashBitmap*clip1 = clip1bitmap;
+ int width = clip0->getAlphaRowSize();
+ int height = clip0->getHeight();
+ 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;
+ }
+}
+
+static void clearBooleanBitmap(SplashBitmap*btm, int x1, int y1, int x2, int y2)
+{
+ if(!(x1|y1|x2|y2)) {
+ x1 = y1 = 0;
+ x2 = btm->getWidth();
+ y2 = btm->getHeight();
+ }
+ if(btm->getMode()==splashModeMono1) {
+ int width8 = (btm->getWidth()+7)/8;
+ int width = btm->getWidth();
+ int height = btm->getHeight();
+ memset(btm->getDataPtr(), 0, width8*height);
+ } else {
+ int width = btm->getAlphaRowSize();
+ int height = btm->getHeight();
+ memset(btm->getAlphaPtr(), 0, width*height);
+ }
+}
+
+long long unsigned int compare64(long long unsigned int*data1, long long unsigned int*data2, int len)
+{
+ long long unsigned int c;
+ int t;
+ for(t=0;t<len;t++) {
+ c |= data1[t]&data2[t];
+ }
+ return c;
}
+GBool BitmapOutputDev::intersection(int x1, int y1, int x2, int y2)
+{
+ SplashBitmap*boolpoly = boolpolybitmap;
+ SplashBitmap*booltext = booltextbitmap;
+
+ if(boolpoly->getMode()==splashModeMono1) {
+ /* alternative implementation, using one bit per pixel-
+ needs the no-dither patch in xpdf */
+
+ if(x1>=width) return gFalse;
+ if(x2<=0) return gFalse;
+ if(y1>=height)return gFalse;
+ if(y2<=0) return gFalse;
+ if(x1>=x2) return gFalse;
+ if(y1>=y2) return gFalse;
+
+ Guchar*polypixels = boolpoly->getDataPtr();
+ Guchar*textpixels = booltext->getDataPtr();
+
+ int width = boolpoly->getWidth();
+ int height = boolpoly->getHeight();
+ 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;
+ for(y=0;y<runy;y++) {
+ unsigned char*data1 = (unsigned char*)polypixels[y*width8];
+ unsigned char*data2 = (unsigned char*)textpixels[y*width8];
+ for(x=0;x<runx;x++) {
+ if(polypixels[x]&textpixels[x])
+ return gTrue;
+ }
+ }
+ return gFalse;
+ } else {
+ if(x1<0) x1=0;
+ if(y1<0) y1=0;
+ if(x2<0) x2=0;
+ if(y2<0) y2=0;
+ if(x1>width) x1=width;
+ if(y1>height) y1=height;
+ if(x2>width) x2=width;
+ if(y2>height) y2=height;
+ if(x1>x2) x1=x2;
+ if(y1>y2) y1=y2;
+ Guchar*polypixels = boolpoly->getAlphaPtr();
+ Guchar*textpixels = booltext->getAlphaPtr();
+
+ int width = boolpoly->getAlphaRowSize();
+ int height = boolpoly->getHeight();
+
+ 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);
+ writeAlpha(booltextbitmap, "alpha.png");
+ }
+ 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;
this->width = (int)(x2-x1);
this->height = (int)(y2-y1);
- msg("<verbose> startPage");
+ msg("<debug> startPage");
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);
- /*int width = this->rgbdev->getBitmap()->getWidth();
- int height = this->rgbdev->getBitmap()->getHeight();
- this->bboxpath = new SplashPath();
- this->bboxpath->moveTo(0,0);
- this->bboxpath->lineTo(width,0);
- this->bboxpath->lineTo(width,height);
- this->bboxpath->lineTo(0,height);
- this->bboxpath->lineTo(0,0);
+ boolpolybitmap = boolpolydev->getBitmap();
+ booltextbitmap = booltextdev->getBitmap();
+ clip0bitmap = clip0dev->getBitmap();
+ clip1bitmap = clip1dev->getBitmap();
+ rgbbitmap = rgbdev->getBitmap();
+
+ flushText(); // write out the initial clipping rectangle
- if(this->clipbitmap) {
- delete this->clipbitmap;this->clipbitmap = 0;
- }
- this->clipbitmap = new SplashBitmap(width, height, 1, splashModeMono1, gFalse, gTrue);
- if(this->clipdev) {
- delete this->clipdev;this->clipdev = 0;
- }
- SplashScreenParams params;
- params.type = splashScreenDispersed;
- params.size = 0;
- params.dotRadius = 0;
- this->clipdev = new Splash(this->clipbitmap, 0, (SplashScreenParams*)0);*/
+ /* just in case any device did draw a white background rectangle
+ into the device */
+ clearBoolTextDev(UNKNOWN_BOUNDING_BOX);
+ clearBoolPolyDev(UNKNOWN_BOUNDING_BOX);
+
+ this->layerstate = STATE_PARALLEL;
+ this->emptypage = 1;
+ msg("<debug> startPage done");
}
void BitmapOutputDev::endPage()
{
- msg("<verbose> endPage");
- this->flush();
+ 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();
+
+ if(layerstate == STATE_BITMAP_IS_ABOVE) {
+ this->flushText();
+ this->flushBitmap();
+ } else {
+ this->flushBitmap();
+ this->flushText();
+ }
/* 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()
{
- clip0dev->useTilingPatternFill();
- clip1dev->useTilingPatternFill();
- return rgbdev->useTilingPatternFill();
+ 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()
{
- if(!config_bitmapfonts) {
- clip0dev->interpretType3Chars();
- clip1dev->interpretType3Chars();
- return rgbdev->interpretType3Chars();
- } else {
- return gfxdev->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();
}*/
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);
}
void BitmapOutputDev::restoreState(GfxState *state)
{
+ boolpolydev->restoreState(state);
+ booltextdev->restoreState(state);
rgbdev->restoreState(state);
clip0dev->restoreState(state);
clip1dev->restoreState(state);
}
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);
- 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);
- if(!config_bitmapfonts)
- gfxdev->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);
- if(!config_bitmapfonts)
- gfxdev->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);
- if(!config_bitmapfonts)
- gfxdev->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);
- if(!config_bitmapfonts)
- gfxdev->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);
- if(!config_bitmapfonts)
- gfxdev->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);
- if(!config_bitmapfonts)
- gfxdev->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);
- if(!config_bitmapfonts)
- gfxdev->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);
- if(!config_bitmapfonts)
- gfxdev->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("<verbose> stroke");
+ 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);
}
void BitmapOutputDev::fill(GfxState *state)
{
- msg("<verbose> fill");
+ msg("<debug> fill");
+ boolpolydev->fill(state);
+ gfxbbox_t bbox = getBBox(state);
+ if(checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax))) {
+ boolpolydev->fill(state);
+ }
rgbdev->fill(state);
}
void BitmapOutputDev::eoFill(GfxState *state)
{
- msg("<verbose> eoFill");
+ msg("<debug> eoFill");
+ boolpolydev->eoFill(state);
+ gfxbbox_t bbox = getBBox(state);
+ if(checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax))) {
+ boolpolydev->eoFill(state);
+ }
rgbdev->eoFill(state);
}
+#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("<verbose> tilingPatternFill");
+ 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);
}
+#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);
+}
+#endif
+
GBool BitmapOutputDev::functionShadedFill(GfxState *state, GfxFunctionShading *shading)
{
- msg("<verbose> functionShadedFill");
+ msg("<debug> functionShadedFill");
+ boolpolydev->functionShadedFill(state, shading);
+ checkNewBitmap(UNKNOWN_BOUNDING_BOX);
return rgbdev->functionShadedFill(state, shading);
}
GBool BitmapOutputDev::axialShadedFill(GfxState *state, GfxAxialShading *shading)
{
- msg("<verbose> axialShadedFill");
+ msg("<debug> axialShadedFill");
+ boolpolydev->axialShadedFill(state, shading);
+ checkNewBitmap(UNKNOWN_BOUNDING_BOX);
return rgbdev->axialShadedFill(state, shading);
}
GBool BitmapOutputDev::radialShadedFill(GfxState *state, GfxRadialShading *shading)
{
- msg("<verbose> radialShadedFill");
+ 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::doClip(GfxState *state, GBool eo)
-{
- if(!eo) {
- rgbdev->clip(state);
- clip1dev->clip(state);
- } else {
- rgbdev->eoClip(state);
- clip1dev->eoClip(state);
- }
-
- //SplashPattern *pblack = new SplashSolidColor(black);
- //SplashPattern *pwhite = new SplashSolidColor(white);
- //SplashPath* path = rgbdev->convertPath(state, state->getPath());
- //clipdev->clear(black, 0);
- //clipdev->clipToPath(path, eo);
- //clipdev->setFillPattern(pwhite);
- //clipdev->fill(bboxpath,gFalse);
- //delete path;
-}
-
void BitmapOutputDev::clip(GfxState *state)
{
- msg("<verbose> clip");
- doClip(state, gFalse);
+ msg("<debug> clip");
+ boolpolydev->clip(state);
+ booltextdev->clip(state);
+ rgbdev->clip(state);
+ clip1dev->clip(state);
}
void BitmapOutputDev::eoClip(GfxState *state)
{
- msg("<verbose> eoClip");
- doClip(state, gTrue);
+ msg("<debug> eoClip");
+ boolpolydev->eoClip(state);
+ booltextdev->eoClip(state);
+ rgbdev->eoClip(state);
+ clip1dev->eoClip(state);
}
void BitmapOutputDev::clipToStrokePath(GfxState *state)
{
- msg("<verbose> clipToStrokePath");
+ msg("<debug> clipToStrokePath");
+ boolpolydev->clipToStrokePath(state);
+ booltextdev->clipToStrokePath(state);
rgbdev->clipToStrokePath(state);
clip1dev->clipToStrokePath(state);
}
void BitmapOutputDev::beginStringOp(GfxState *state)
{
- msg("<verbose> beginStringOp");
- if(this->config_bitmapfonts) {
- rgbdev->beginStringOp(state);
- clip0dev->beginStringOp(state);
- clip1dev->beginStringOp(state);
- } else {
- gfxdev->beginStringOp(state);
- }
+ msg("<debug> beginStringOp");
+ clip0dev->beginStringOp(state);
+ clip1dev->beginStringOp(state);
+ booltextdev->beginStringOp(state);
+ gfxdev->beginStringOp(state);
}
-void BitmapOutputDev::endStringOp(GfxState *state)
+void BitmapOutputDev::beginString(GfxState *state, GString *s)
{
- msg("<verbose> endStringOp");
- if(this->config_bitmapfonts) {
- rgbdev->endStringOp(state);
- clip0dev->endStringOp(state);
- clip1dev->endStringOp(state);
- } else {
- gfxdev->endStringOp(state);
- }
+ msg("<debug> beginString");
+ clip0dev->beginString(state, s);
+ clip1dev->beginString(state, s);
+ booltextdev->beginString(state, s);
+ gfxdev->beginString(state, s);
}
-void BitmapOutputDev::beginString(GfxState *state, GString *s)
+
+void BitmapOutputDev::clearClips()
{
- msg("<verbose> beginString");
- if(this->config_bitmapfonts) {
- rgbdev->beginString(state, s);
- clip0dev->beginString(state, s);
- clip1dev->beginString(state, s);
- } else {
- gfxdev->beginString(state, s);
- }
+ clearBooleanBitmap(clip0bitmap, 0, 0, 0, 0);
+ clearBooleanBitmap(clip1bitmap, 0, 0, 0, 0);
}
-void BitmapOutputDev::endString(GfxState *state)
+void BitmapOutputDev::clearBoolPolyDev(int x1, int y1, int x2, int y2)
{
- msg("<verbose> endString");
- if(this->config_bitmapfonts) {
- rgbdev->endString(state);
- clip0dev->endString(state);
- clip1dev->endString(state);
- } else {
- gfxdev->endString(state);
- }
+ clearBooleanBitmap(boolpolybitmap, x1, y1, x2, y2);
+}
+void BitmapOutputDev::clearBoolTextDev(int x1, int y1, int x2, int y2)
+{
+ clearBooleanBitmap(booltextbitmap, x1, y1, x2, y2);
}
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("<verbose> drawChar");
- if(this->config_bitmapfonts || (state->getRender()&4) /*clip*/ ) {
+ 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(rgbbitmap != rgbdev->getBitmap()) {
+ // we're doing softmasking or transparency grouping
+ boolpolydev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
+ //checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
} else {
- SplashBitmap*clip0 = clip0dev->getBitmap();
- SplashBitmap*clip1 = clip1dev->getBitmap();
- int width8 = (clip0->getWidth()+7)/8;
- int width = clip0->getWidth();
- int height = clip0->getHeight();
- memset(clip0->getDataPtr(), 0, width8*height);
- memset(clip1->getDataPtr(), 0, width8*height);
+ // 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;
+ SplashPath*path = clip0dev->getCurrentFont()->getGlyphPath(code);
+ if(!path) {
+ if(code)
+ msg("<error> couldn't create outline for char %d", code);
+ return;
+ }
+ x-=originX;
+ y-=originY;
+ 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;
+ }
/* 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(memcmp(clip0->getDataPtr(), clip1->getDataPtr(), width8*height)) {
+ 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(oldrender);
}
} else {
- /* this char is not at all affected by clipping. Now just find out whether the
- bitmap we're currently working on needs to be dumped out first */
-
- Guchar*alpha = rgbdev->getBitmap()->getAlphaPtr();
- Guchar*charpixels = clip1dev->getBitmap()->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;
- }
-
- if(yy!=height) {
- /* yes, the graphic data and the characters overlap (the char is
- above the current bitmap. Flush the bitmap to the output. */
- msg("<verbose> Char %d is above current bitmap data", code);
- flush();
- }
+ /* 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);
}
}
}
void BitmapOutputDev::drawString(GfxState *state, GString *s)
{
- msg("<verbose> drawString");
- if(this->config_bitmapfonts) {
- rgbdev->drawString(state, s);
- clip0dev->drawString(state, s);
- clip1dev->drawString(state, s);
- } else {
- gfxdev->drawString(state, s);
- }
+ msg("<error> internal error: drawString not implemented");
+ return;
+ clip0dev->drawString(state, s);
+ clip1dev->drawString(state, s);
+ booltextdev->drawString(state, s);
+ gfxdev->drawString(state, s);
}
void BitmapOutputDev::endTextObject(GfxState *state)
{
- msg("<verbose> endTextObject");
- if(this->config_bitmapfonts) {
- rgbdev->endTextObject(state);
- clip0dev->endTextObject(state);
- clip1dev->endTextObject(state);
- } else {
- gfxdev->endType3Char(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);
+}
+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) {
+ checkNewText(UNKNOWN_BOUNDING_BOX);
}
+ gfxdev->endString(state);
}
+void BitmapOutputDev::endStringOp(GfxState *state)
+{
+ msg("<debug> endStringOp");
+ clip0dev->endStringOp(state);
+ clip1dev->endStringOp(state);
+ booltextdev->endStringOp(state);
+ gfxdev->endStringOp(state);
+}
+
+/* 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("<verbose> beginType3Char");
- if(this->config_bitmapfonts) {
- return rgbdev->beginType3Char(state, x, y, dx, dy, code, u, uLen);
- } else {
- return gfxdev->beginType3Char(state, x, y, dx, dy, code, u, 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("<verbose> type3D0");
- if(this->config_bitmapfonts) {
- rgbdev->type3D0(state, wx, wy);
- } else {
- return gfxdev->type3D0(state, wx, 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("<verbose> type3D1");
- if(this->config_bitmapfonts) {
- rgbdev->type3D1(state, wx, wy, llx, lly, urx, ury);
- } else {
- return gfxdev->type3D1(state, wx, wy, llx, lly, urx, ury);
- }
+ msg("<debug> type3D1");
+ return gfxdev->type3D1(state, wx, wy, llx, lly, urx, ury);
}
void BitmapOutputDev::endType3Char(GfxState *state)
{
- msg("<verbose> endType3Char");
- if(this->config_bitmapfonts) {
- rgbdev->endType3Char(state);
- } else {
- gfxdev->endType3Char(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 = x;
+ state->transform(0, 0, &x, &y);
+ bbox.xmin=min(bbox.xmin,x);
+ bbox.ymin=min(bbox.ymin,y);
+ bbox.xmax=max(bbox.xmin,x);
+ bbox.ymax=max(bbox.ymin,y);
+ state->transform(1, 0, &x, &y);
+ bbox.xmin=min(bbox.xmin,x);
+ bbox.ymin=min(bbox.ymin,y);
+ bbox.xmax=max(bbox.xmin,x);
+ bbox.ymax=max(bbox.ymin,y);
+ state->transform(1, 1, &x, &y);
+ bbox.xmin=min(bbox.xmin,x);
+ bbox.ymin=min(bbox.ymin,y);
+ bbox.xmax=max(bbox.xmin,x);
+ bbox.ymax=max(bbox.ymin,y);
+ return bbox;
}
void BitmapOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
int width, int height, GBool invert,
GBool inlineImg)
{
- msg("<verbose> drawImageMask");
+ msg("<debug> drawImageMask streamkind=%d", str->getKind());
+ CopyStream*cpystr = 0;
+ if(inlineImg) {
+ 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);
+ if(cpystr)
+ delete cpystr;
}
void BitmapOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
int width, int height, GfxImageColorMap *colorMap,
int *maskColors, GBool inlineImg)
{
- msg("<verbose> drawImage");
+ msg("<debug> drawImage streamkind=%d", str->getKind());
+ CopyStream*cpystr = 0;
+ if(inlineImg) {
+ 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);
+ if(cpystr)
+ delete cpystr;
}
void BitmapOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
int width, int height,
Stream *maskStr, int maskWidth, int maskHeight,
GBool maskInvert)
{
- msg("<verbose> drawMaskedImage");
+ msg("<debug> drawMaskedImage streamkind=%d", str->getKind());
+ 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);
}
void BitmapOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
int maskWidth, int maskHeight,
GfxImageColorMap *maskColorMap)
{
- msg("<verbose> drawSoftMaskedImage");
+ msg("<debug> drawSoftMaskedImage %dx%d (%dx%d) streamkind=%d", width, height, maskWidth, maskHeight, str->getKind());
+ 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);
}
void BitmapOutputDev::drawForm(Ref id)
{
- msg("<verbose> drawForm");
+ msg("<debug> drawForm");
+ boolpolydev->drawForm(id);
+ checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->drawForm(id);
}
void BitmapOutputDev::processLink(Link *link, Catalog *catalog)
{
- msg("<verbose> processLink");
+ msg("<debug> processLink");
gfxdev->processLink(link, catalog);
}
GBool isolated, GBool knockout,
GBool forSoftMask)
{
- msg("<verbose> beginTransparencyGroup");
- rgbdev->beginTransparencyGroup(state, bbox, blendingColorSpace, isolated, knockout, 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;
}
void BitmapOutputDev::endTransparencyGroup(GfxState *state)
{
- msg("<verbose> endTransparencyGroup");
- rgbdev->endTransparencyGroup(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);
}
void BitmapOutputDev::paintTransparencyGroup(GfxState *state, double *bbox)
{
- msg("<verbose> paintTransparencyGroup");
+ msg("<debug> paintTransparencyGroup");
+ boolpolydev->paintTransparencyGroup(state,bbox);
+ checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->paintTransparencyGroup(state,bbox);
+ clip1dev->paintTransparencyGroup(state,bbox);
}
void BitmapOutputDev::setSoftMask(GfxState *state, double *bbox, GBool alpha, Function *transferFunc, GfxColor *backdropColor)
{
- msg("<verbose> setSoftMask");
+ 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);
}
void BitmapOutputDev::clearSoftMask(GfxState *state)
{
- msg("<verbose> clearSoftMask");
+ msg("<debug> clearSoftMask");
+ boolpolydev->clearSoftMask(state);
+ checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->clearSoftMask(state);
clip1dev->clearSoftMask(state);
}