#include "../png.h"
#include "../devices/record.h"
#include "../types.h"
+#include "bbox.h"
#define UNKNOWN_BOUNDING_BOX 0,0,0,0
this->rgbdev = new SplashOutputDev(splashModeRGB8, 1, gFalse, splash_white, gTrue, gTrue);
/* color mode for binary bitmaps */
- SplashColorMode colorMode = splashModeMono8;
+ 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->gfxdev->setParameter(key, value);
}
-void BitmapOutputDev::preparePage(int pdfpage, int outputpage)
+void BitmapOutputDev::setPageMap(int*page2page, int num_pages)
{
+ this->gfxdev->setPageMap(page2page, num_pages);
}
-static void getBitmapBBox(Guchar*alpha, int width, int height, int*xmin, int*ymin, int*xmax, int*ymax)
-{
- *ymin = -1;
- *xmin = width;
- *xmax = 0;
- int x,y;
- for(y=0;y<height;y++) {
- Guchar*a = &alpha[y*width];
- for(x=0;x<width;x++) {
- if(a[x]) break;
- }
- int left = x; //first occupied pixel from left
- int right = x+1; //last non-occupied pixel from right
- for(;x<width;x++) {
- if(a[x]) right=x+1;
- }
-
- if(left!=width) {
- if(*ymin<0)
- *ymin=y;
- *ymax=y+1;
- if(left<*xmin) *xmin = left;
- if(right>*xmax) *xmax = right;
- }
- }
- if(*xmin>=*xmax || *ymin>=*ymax) {
- *xmin = 0;
- *ymin = 0;
- *xmax = 0;
- *ymax = 0;
- }
-}
+void writeBitmap(SplashBitmap*bitmap, char*filename);
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++;*/
SplashColorPtr rgb = rgbbitmap->getDataPtr();
Guchar*alpha = rgbbitmap->getAlphaPtr();
- Guchar*alpha2 = boolpolybitmap->getAlphaPtr();
+
+ Guchar*alpha2 = boolpolybitmap->getDataPtr();
+ int width8 = (boolpolybitmap->getWidth()+7)/8;
- int xmin,ymin,xmax,ymax;
- getBitmapBBox(alpha, width, height, &xmin,&ymin,&xmax,&ymax);
+ ibbox_t* boxes = get_bitmap_bboxes((unsigned char*)alpha, width, height);
+ ibbox_t*b;
- /* clip against (-movex, -movey, -movex+width, -movey+height) */
- if(xmin < -this->movex) xmin = -this->movex;
- if(ymin < -this->movey) ymin = -this->movey;
- if(xmax > -this->movex + width) xmax = -this->movex+this->width;
- if(ymax > -this->movey + height) ymax = -this->movey+this->height;
- 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;
+ for(b=boxes;b;b=b->next) {
+ int xmin = b->xmin;
+ int ymin = b->ymin;
+ int xmax = b->xmax;
+ int ymax = b->ymax;
- if(sizeof(SplashColor)!=3) {
- msg("<error> sizeof(SplashColor)!=3");
- 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));
- 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)*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];
+ /* clip against (-movex, -movey, -movex+width, -movey+height) */
+ if(xmin < -this->movex) xmin = -this->movex;
+ if(ymin < -this->movey) ymin = -this->movey;
+ if(xmax > -this->movex + width) xmax = -this->movex+this->width;
+ if(ymax > -this->movey + height) ymax = -this->movey+this->height;
+
+ 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
+ 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&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, 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" */
+ 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;
}
- /* 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);
+ ibbox_destroy(boxes);
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;
}
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].g = d[x].b = 255;
+ } else {
+ d[x].r = d[x].g = d[x].b = 0;
+ }
+ d[x].a = 255;
+ }
+ }
+ writePNG(filename, (unsigned char*)b, width, height);
+ free(b);
+}
+
void writeBitmap(SplashBitmap*bitmap, char*filename)
{
int y,x;
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];
+ Guchar c[4] = {0,0,0,0};
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;
+ line[x].a = bitmap->getAlpha(x,y);
}
}
writePNG(filename, (unsigned char*)data, width, height);
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);
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) {
+ 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);
msg("<verbose> %s %s %s", filename1, filename2, filename3);
writeAlpha(boolpolybitmap, filename1);
writeAlpha(booltextbitmap, filename2);
/* 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) {
+ 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);
msg("<verbose> %s %s %s", filename1, filename2, filename3);
writeAlpha(boolpolybitmap, filename1);
writeAlpha(booltextbitmap, filename2);
// break;
//}
+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;
+}
+
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();
+ 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 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))
+ unsigned char*row2 = &clip1bitmap->getDataPtr()[width8*y+x18];
+ 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();
+
+ 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;
}
}
-long long unsigned int compare64(long long unsigned int*data1, long long unsigned int*data2, int len)
+GBool compare8(unsigned char*data1, unsigned char*data2, int len)
{
- long long unsigned int c;
+ if(!len)
+ return 0;
+ if(((ptroff_t)data1&7)==((ptroff_t)data2&7)) {
+ // oh good, we can do aligning
+ 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++) {
- c |= data1[t]&data2[t];
+ if(data1[t]&data2[t]) {
+ return 1;
+ }
}
- return c;
+ return 0;
}
GBool BitmapOutputDev::intersection(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(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;
+ if(!fixBBox(&x1,&y1,&x2,&y2, width, height)) {
+ 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;
}*/
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++) {
- 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;
- }
+ if(compare8(data1,data2,runx))
+ return gTrue;
+ data1+=width8;
+ data2+=width8;
}
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();
+ 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;
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");
+ //writeAlpha(booltextbitmap, "alpha.png");
}
return overlap2;
}
/* 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);
+ SplashFont*font = clip0dev->getCurrentFont();
+ SplashPath*path = font?font->getGlyphPath(code):NULL;
+
if(!path) {
if(code)
msg("<error> couldn't create outline for char %d", code);
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);
git.asbjorn.biz / swftools.git / blobdiff