#include "../log.h"
#include "../png.h"
#include "../devices/record.h"
+#include "../types.h"
#define UNKNOWN_BOUNDING_BOX 0,0,0,0
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);
}
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();
- return memcmp(clip0->getAlphaPtr(), clip1->getAlphaPtr(), width*height);
+ 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;
}
}
{
SplashBitmap*boolpoly = boolpolybitmap;
SplashBitmap*booltext = booltextbitmap;
-
+
if(boolpoly->getMode()==splashModeMono1) {
/* alternative implementation, using one bit per pixel-
- would work if xpdf wouldn't try to dither everything */
+ 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 width8 = (width+7)/8;
+ int width = boolpoly->getWidth();
int height = boolpoly->getHeight();
+ int width8 = (width+7)/8;
+ int runx = width8;
+ int runy = height;
if(x1|y1|x2|y2) {
- if(y1>=0 && y1<=y2 && y2<=height) {
- polypixels+=y1*width8;
- textpixels+=y1*width8;
- height=y2-y1;
- }
+ polypixels+=y1*width8+x1/8;
+ textpixels+=y1*width8+x1/8;
+ runx=(x2+7)/8 - x1/8;
+ runy=y2-y1;
}
int t;
- int len = height*width8;
- unsigned long long int c=0;
- assert(sizeof(unsigned long long int)==8);
- {
- if(((int)polypixels&7) || ((int)textpixels&7)) {
- //msg("<warning> Non-optimal alignment");
+ 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;
}
- int l2 = len;
- len /= sizeof(unsigned long long int);
- c = compare64((unsigned long long int*)polypixels, (unsigned long long int*)textpixels, len);
- int l1 = len*sizeof(unsigned long long int);
- for(t=l1;t<l2;t++) {
- c |= (unsigned long long int)(polypixels[t]&textpixels[t]);
- }
- }
- if(c)
- /* if graphic data and the characters overlap, they have common bits */
- return gTrue;
- else
- return gFalse;
+ }
+ 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 t;
- int len = height*width;
- unsigned int c=0;
- if(len & (sizeof(unsigned int)-1)) {
- Guchar c2=0;
- for(t=0;t<len;t++) {
- if(polypixels[t]&&textpixels[t])
- return gTrue;
- }
- } else {
- len /= sizeof(unsigned int);
- for(t=0;t<len;t++) {
- if((((unsigned int*)polypixels)[t]) & (((unsigned int*)textpixels)[t]))
- return gTrue;
- }
- }
- return gFalse;
+
+ 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;
}
}
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);
- checkNewBitmap(UNKNOWN_BOUNDING_BOX);
+ 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("<debug> fill");
boolpolydev->fill(state);
- if(checkNewBitmap(UNKNOWN_BOUNDING_BOX)) {
+ gfxbbox_t bbox = getBBox(state);
+ if(checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax))) {
boolpolydev->fill(state);
}
rgbdev->fill(state);
{
msg("<debug> eoFill");
boolpolydev->eoFill(state);
- if(checkNewBitmap(UNKNOWN_BOUNDING_BOX)) {
+ gfxbbox_t bbox = getBBox(state);
+ if(checkNewBitmap(bbox.xmin, bbox.ymin, ceil(bbox.xmax), ceil(bbox.ymax))) {
boolpolydev->eoFill(state);
}
rgbdev->eoFill(state);
booltextdev->beginStringOp(state);
gfxdev->beginStringOp(state);
}
-void BitmapOutputDev::endStringOp(GfxState *state)
-{
- msg("<debug> endStringOp");
- clip0dev->endStringOp(state);
- clip1dev->endStringOp(state);
- booltextdev->endStringOp(state);
- checkNewText(UNKNOWN_BOUNDING_BOX);
- gfxdev->endStringOp(state);
-}
void BitmapOutputDev::beginString(GfxState *state, GString *s)
{
msg("<debug> beginString");
booltextdev->beginString(state, s);
gfxdev->beginString(state, s);
}
-void BitmapOutputDev::endString(GfxState *state)
-{
- msg("<debug> endString");
- clip0dev->endString(state);
- clip1dev->endString(state);
- booltextdev->endString(state);
- checkNewText(UNKNOWN_BOUNDING_BOX);
- gfxdev->endString(state);
-}
void BitmapOutputDev::clearClips()
{
} 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);
+ //checkNewBitmap(UNKNOWN_BOUNDING_BOX);
rgbdev->drawChar(state, x, y, dx, dy, originX, originY, code, nBytes, u, uLen);
} else {
// we're drawing a regular char
/* 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);
- xx+=x;
- yy+=y;
+ 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(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
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(UNKNOWN_BOUNDING_BOX);
+ 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();
clip0dev->endTextObject(state);
clip1dev->endTextObject(state);
booltextdev->endTextObject(state);
- /* TODO: do this only if rendermode!=0 */
- checkNewText(UNKNOWN_BOUNDING_BOX);
+ /* 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() */
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)
str = cpystr->getStream();
}
boolpolydev->drawImageMask(state, ref, str, width, height, invert, inlineImg);
- checkNewBitmap(UNKNOWN_BOUNDING_BOX);
+ 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;
str = cpystr->getStream();
}
boolpolydev->drawImage(state, ref, str, width, height, colorMap, maskColors, inlineImg);
- checkNewBitmap(UNKNOWN_BOUNDING_BOX);
+ 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;
{
msg("<debug> drawMaskedImage streamkind=%d", str->getKind());
boolpolydev->drawMaskedImage(state, ref, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert);
- checkNewBitmap(UNKNOWN_BOUNDING_BOX);
+ 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,
{
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);
- checkNewBitmap(UNKNOWN_BOUNDING_BOX);
+ 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)
git.asbjorn.biz / swftools.git / blobdiff