//
// Page.cc
//
-// Copyright 1996 Derek B. Noonburg
+// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================
-#ifdef __GNUC__
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include <stddef.h>
+#include "GlobalParams.h"
#include "Object.h"
#include "Array.h"
#include "Dict.h"
#include "OutputDev.h"
#ifndef PDF_PARSER_ONLY
#include "Gfx.h"
-#include "FormWidget.h"
+#include "GfxState.h"
+#include "Annot.h"
#endif
#include "Error.h"
-
-#include "Params.h"
#include "Page.h"
//------------------------------------------------------------------------
//------------------------------------------------------------------------
PageAttrs::PageAttrs(PageAttrs *attrs, Dict *dict) {
- Object obj1, obj2;
- double w, h;
+ Object obj1;
// get old/default values
if (attrs) {
- x1 = attrs->x1;
- y1 = attrs->y1;
- x2 = attrs->x2;
- y2 = attrs->y2;
- cropX1 = attrs->cropX1;
- cropY1 = attrs->cropY1;
- cropX2 = attrs->cropX2;
- cropY2 = attrs->cropY2;
+ mediaBox = attrs->mediaBox;
+ cropBox = attrs->cropBox;
+ haveCropBox = attrs->haveCropBox;
rotate = attrs->rotate;
attrs->resources.copy(&resources);
} else {
// set default MediaBox to 8.5" x 11" -- this shouldn't be necessary
// but some (non-compliant) PDF files don't specify a MediaBox
- x1 = 0;
- y1 = 0;
- x2 = 612;
- y2 = 792;
- cropX1 = cropY1 = cropX2 = cropY2 = 0;
+ mediaBox.x1 = 0;
+ mediaBox.y1 = 0;
+ mediaBox.x2 = 612;
+ mediaBox.y2 = 792;
+ cropBox.x1 = cropBox.y1 = cropBox.x2 = cropBox.y2 = 0;
+ haveCropBox = gFalse;
rotate = 0;
resources.initNull();
}
// media box
- dict->lookup("MediaBox", &obj1);
- if (obj1.isArray() && obj1.arrayGetLength() == 4) {
- obj1.arrayGet(0, &obj2);
- if (obj2.isNum())
- x1 = obj2.getNum();
- obj2.free();
- obj1.arrayGet(1, &obj2);
- if (obj2.isNum())
- y1 = obj2.getNum();
- obj2.free();
- obj1.arrayGet(2, &obj2);
- if (obj2.isNum())
- x2 = obj2.getNum();
- obj2.free();
- obj1.arrayGet(3, &obj2);
- if (obj2.isNum())
- y2 = obj2.getNum();
- obj2.free();
- }
- obj1.free();
+ readBox(dict, "MediaBox", &mediaBox);
// crop box
- dict->lookup("CropBox", &obj1);
- if (obj1.isArray() && obj1.arrayGetLength() == 4) {
- obj1.arrayGet(0, &obj2);
- if (obj2.isNum())
- cropX1 = obj2.getNum();
- obj2.free();
- obj1.arrayGet(1, &obj2);
- if (obj2.isNum())
- cropY1 = obj2.getNum();
- obj2.free();
- obj1.arrayGet(2, &obj2);
- if (obj2.isNum())
- cropX2 = obj2.getNum();
- obj2.free();
- obj1.arrayGet(3, &obj2);
- if (obj2.isNum())
- cropY2 = obj2.getNum();
- obj2.free();
+ if (readBox(dict, "CropBox", &cropBox)) {
+ haveCropBox = gTrue;
}
- obj1.free();
-
- // if the MediaBox is excessively larger than the CropBox,
- // just use the CropBox
- limitToCropBox = gFalse;
- w = 0.25 * (cropX2 - cropX1);
- h = 0.25 * (cropY2 - cropY1);
- if (cropX2 > cropX1 &&
- ((cropX1 - x1) + (x2 - cropX2) > w ||
- (cropY1 - y1) + (y2 - cropY2) > h)) {
- limitToCropBox = gTrue;
+ if (!haveCropBox) {
+ cropBox = mediaBox;
}
+ // other boxes
+ bleedBox = cropBox;
+ readBox(dict, "BleedBox", &bleedBox);
+ trimBox = cropBox;
+ readBox(dict, "TrimBox", &trimBox);
+ artBox = cropBox;
+ readBox(dict, "ArtBox", &artBox);
+
// rotate
dict->lookup("Rotate", &obj1);
- if (obj1.isInt())
+ if (obj1.isInt()) {
rotate = obj1.getInt();
+ }
obj1.free();
- while (rotate < 0)
+ while (rotate < 0) {
rotate += 360;
- while (rotate >= 360)
+ }
+ while (rotate >= 360) {
rotate -= 360;
+ }
+
+ // misc attributes
+ dict->lookup("LastModified", &lastModified);
+ dict->lookup("BoxColorInfo", &boxColorInfo);
+ dict->lookup("Group", &group);
+ dict->lookup("Metadata", &metadata);
+ dict->lookup("PieceInfo", &pieceInfo);
+ dict->lookup("SeparationInfo", &separationInfo);
// resource dictionary
dict->lookup("Resources", &obj1);
}
PageAttrs::~PageAttrs() {
+ lastModified.free();
+ boxColorInfo.free();
+ group.free();
+ metadata.free();
+ pieceInfo.free();
+ separationInfo.free();
resources.free();
}
+GBool PageAttrs::readBox(Dict *dict, char *key, PDFRectangle *box) {
+ PDFRectangle tmp;
+ double t;
+ Object obj1, obj2;
+ GBool ok;
+
+ dict->lookup(key, &obj1);
+ if (obj1.isArray() && obj1.arrayGetLength() == 4) {
+ ok = gTrue;
+ obj1.arrayGet(0, &obj2);
+ if (obj2.isNum()) {
+ tmp.x1 = obj2.getNum();
+ } else {
+ ok = gFalse;
+ }
+ obj2.free();
+ obj1.arrayGet(1, &obj2);
+ if (obj2.isNum()) {
+ tmp.y1 = obj2.getNum();
+ } else {
+ ok = gFalse;
+ }
+ obj2.free();
+ obj1.arrayGet(2, &obj2);
+ if (obj2.isNum()) {
+ tmp.x2 = obj2.getNum();
+ } else {
+ ok = gFalse;
+ }
+ obj2.free();
+ obj1.arrayGet(3, &obj2);
+ if (obj2.isNum()) {
+ tmp.y2 = obj2.getNum();
+ } else {
+ ok = gFalse;
+ }
+ obj2.free();
+ if (ok) {
+ if (tmp.x1 > tmp.x2) {
+ t = tmp.x1; tmp.x1 = tmp.x2; tmp.x2 = t;
+ }
+ if (tmp.y1 > tmp.y2) {
+ t = tmp.y1; tmp.y1 = tmp.y2; tmp.y2 = t;
+ }
+ *box = tmp;
+ }
+ } else {
+ ok = gFalse;
+ }
+ obj1.free();
+ return ok;
+}
+
//------------------------------------------------------------------------
// Page
//------------------------------------------------------------------------
-Page::Page(int num1, Dict *pageDict, PageAttrs *attrs1) {
-
+Page::Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA) {
ok = gTrue;
- num = num1;
+ xref = xrefA;
+ num = numA;
// get attributes
- attrs = attrs1;
+ attrs = attrsA;
// annotations
pageDict->lookupNF("Annots", &annots);
contents.free();
}
-void Page::display(OutputDev *out, double dpi, int rotate,
- Links *links, Catalog *catalog) {
+void Page::display(OutputDev *out, double hDPI, double vDPI,
+ int rotate, GBool useMediaBox, GBool crop,
+ Links *links, Catalog *catalog,
+ GBool (*abortCheckCbk)(void *data),
+ void *abortCheckCbkData) {
+ displaySlice(out, hDPI, vDPI, rotate, useMediaBox, crop,
+ -1, -1, -1, -1, links, catalog,
+ abortCheckCbk, abortCheckCbkData);
+}
+
+void Page::displaySlice(OutputDev *out, double hDPI, double vDPI,
+ int rotate, GBool useMediaBox, GBool crop,
+ int sliceX, int sliceY, int sliceW, int sliceH,
+ Links *links, Catalog *catalog,
+ GBool (*abortCheckCbk)(void *data),
+ void *abortCheckCbkData) {
#ifndef PDF_PARSER_ONLY
+ PDFRectangle *mediaBox, *cropBox, *baseBox;
+ PDFRectangle box;
Gfx *gfx;
Object obj;
Link *link;
+ Annots *annotList;
+ double kx, ky;
int i;
- FormWidgets *formWidgets;
-
- if (printCommands) {
- printf("***** MediaBox = ll:%g,%g ur:%g,%g\n",
- getX1(), getY1(), getX2(), getY2());
- if (isCropped()) {
- printf("***** CropBox = ll:%g,%g ur:%g,%g\n",
- getCropX1(), getCropY1(), getCropX2(), getCropY2());
- }
- printf("***** Rotate = %d\n", attrs->getRotate());
- }
rotate += getRotate();
if (rotate >= 360) {
} else if (rotate < 0) {
rotate += 360;
}
- gfx = new Gfx(out, num, attrs->getResourceDict(),
- dpi, getX1(), getY1(), getX2(), getY2(), isCropped(),
- getCropX1(), getCropY1(), getCropX2(), getCropY2(), rotate);
- contents.fetch(&obj);
+
+ mediaBox = getMediaBox();
+ cropBox = getCropBox();
+ if (sliceW >= 0 && sliceH >= 0) {
+ baseBox = useMediaBox ? mediaBox : cropBox;
+ kx = 72.0 / hDPI;
+ ky = 72.0 / vDPI;
+ if (rotate == 90) {
+ if (out->upsideDown()) {
+ box.x1 = baseBox->x1 + ky * sliceY;
+ box.x2 = baseBox->x1 + ky * (sliceY + sliceH);
+ } else {
+ box.x1 = baseBox->x2 - ky * (sliceY + sliceH);
+ box.x2 = baseBox->x2 - ky * sliceY;
+ }
+ box.y1 = baseBox->y1 + kx * sliceX;
+ box.y2 = baseBox->y1 + kx * (sliceX + sliceW);
+ } else if (rotate == 180) {
+ box.x1 = baseBox->x2 - kx * (sliceX + sliceW);
+ box.x2 = baseBox->x2 - kx * sliceX;
+ if (out->upsideDown()) {
+ box.y1 = baseBox->y1 + ky * sliceY;
+ box.y2 = baseBox->y1 + ky * (sliceY + sliceH);
+ } else {
+ box.y1 = baseBox->y2 - ky * (sliceY + sliceH);
+ box.y2 = baseBox->y2 - ky * sliceY;
+ }
+ } else if (rotate == 270) {
+ if (out->upsideDown()) {
+ box.x1 = baseBox->x2 - ky * (sliceY + sliceH);
+ box.x2 = baseBox->x2 - ky * sliceY;
+ } else {
+ box.x1 = baseBox->x1 + ky * sliceY;
+ box.x2 = baseBox->x1 + ky * (sliceY + sliceH);
+ }
+ box.y1 = baseBox->y2 - kx * (sliceX + sliceW);
+ box.y2 = baseBox->y2 - kx * sliceX;
+ } else {
+ box.x1 = baseBox->x1 + kx * sliceX;
+ box.x2 = baseBox->x1 + kx * (sliceX + sliceW);
+ if (out->upsideDown()) {
+ box.y1 = baseBox->y2 - ky * (sliceY + sliceH);
+ box.y2 = baseBox->y2 - ky * sliceY;
+ } else {
+ box.y1 = baseBox->y1 + ky * sliceY;
+ box.y2 = baseBox->y1 + ky * (sliceY + sliceH);
+ }
+ }
+ } else if (useMediaBox) {
+ box = *mediaBox;
+ } else {
+ box = *cropBox;
+ crop = gFalse;
+ }
+
+ if (globalParams->getPrintCommands()) {
+ printf("***** MediaBox = ll:%g,%g ur:%g,%g\n",
+ mediaBox->x1, mediaBox->y1, mediaBox->x2, mediaBox->y2);
+ printf("***** CropBox = ll:%g,%g ur:%g,%g\n",
+ cropBox->x1, cropBox->y1, cropBox->x2, cropBox->y2);
+ printf("***** Rotate = %d\n", attrs->getRotate());
+ }
+
+ gfx = new Gfx(xref, out, num, attrs->getResourceDict(),
+ hDPI, vDPI, &box, crop ? cropBox : (PDFRectangle *)NULL,
+ rotate, abortCheckCbk, abortCheckCbkData);
+ contents.fetch(xref, &obj);
if (!obj.isNull()) {
+ gfx->saveState();
gfx->display(&obj);
+ gfx->restoreState();
}
obj.free();
// draw links
if (links) {
+ gfx->saveState();
for (i = 0; i < links->getNumLinks(); ++i) {
link = links->getLink(i);
out->drawLink(link, catalog);
}
+ gfx->restoreState();
out->dump();
}
- // draw AcroForm widgets
- //~ need to reset CTM ???
- formWidgets = new FormWidgets(annots.fetch(&obj));
+ // draw non-link annotations
+ annotList = new Annots(xref, catalog, annots.fetch(xref, &obj));
obj.free();
- if (printCommands && formWidgets->getNumWidgets() > 0) {
- printf("***** AcroForm widgets\n");
- }
- for (i = 0; i < formWidgets->getNumWidgets(); ++i) {
- formWidgets->getWidget(i)->draw(gfx);
- }
- if (formWidgets->getNumWidgets() > 0) {
+ if (annotList->getNumAnnots() > 0) {
+ if (globalParams->getPrintCommands()) {
+ printf("***** Annotations\n");
+ }
+ for (i = 0; i < annotList->getNumAnnots(); ++i) {
+ annotList->getAnnot(i)->draw(gfx);
+ }
out->dump();
}
- delete formWidgets;
+ delete annotList;
delete gfx;
#endif
}
+
+void Page::getDefaultCTM(double *ctm, double hDPI, double vDPI,
+ int rotate, GBool upsideDown) {
+ GfxState *state;
+ int i;
+
+ rotate += getRotate();
+ if (rotate >= 360) {
+ rotate -= 360;
+ } else if (rotate < 0) {
+ rotate += 360;
+ }
+ state = new GfxState(hDPI, vDPI, getMediaBox(), rotate, upsideDown);
+ for (i = 0; i < 6; ++i) {
+ ctm[i] = state->getCTM()[i];
+ }
+ delete state;
+}
git.asbjorn.biz / swftools.git / blobdiff