//
// Page.cc
//
-// Copyright 1996-2002 Glyph & Cog, LLC
+// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================
-#ifdef __GNUC__
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
-#include <aconf.h>
#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 "GfxState.h"
#include "Annot.h"
#endif
#include "Error.h"
PageAttrs::PageAttrs(PageAttrs *attrs, Dict *dict) {
Object obj1;
- double w, h;
// get old/default values
if (attrs) {
readBox(dict, "MediaBox", &mediaBox);
// crop box
- cropBox = mediaBox;
- haveCropBox = readBox(dict, "CropBox", &cropBox);
-
- // if the MediaBox is excessively larger than the CropBox,
- // just use the CropBox
- limitToCropBox = gFalse;
- if (haveCropBox) {
- w = 0.25 * (cropBox.x2 - cropBox.x1);
- h = 0.25 * (cropBox.y2 - cropBox.y1);
- if ((cropBox.x1 - mediaBox.x1) + (mediaBox.x2 - cropBox.x2) > w ||
- (cropBox.y1 - mediaBox.y1) + (mediaBox.y2 - cropBox.y2) > h) {
- limitToCropBox = gTrue;
- }
+ if (readBox(dict, "CropBox", &cropBox)) {
+ haveCropBox = gTrue;
+ }
+ if (!haveCropBox) {
+ cropBox = mediaBox;
}
// other boxes
GBool PageAttrs::readBox(Dict *dict, char *key, PDFRectangle *box) {
PDFRectangle tmp;
+ double t;
Object obj1, obj2;
GBool ok;
}
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 {
// Page
//------------------------------------------------------------------------
-Page::Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA,
- GBool printCommandsA) {
-
+Page::Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA) {
ok = gTrue;
xref = xrefA;
num = numA;
- printCommands = printCommandsA;
// get attributes
attrs = attrsA;
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 *box, *cropBox;
+ PDFRectangle *mediaBox, *cropBox, *baseBox;
+ PDFRectangle box;
Gfx *gfx;
Object obj;
Link *link;
- int i;
Annots *annotList;
-
- box = getBox();
- cropBox = getCropBox();
-
- if (printCommands) {
- printf("***** MediaBox = ll:%g,%g ur:%g,%g\n",
- box->x1, box->y1, box->x2, box->y2);
- if (isCropped()) {
- printf("***** CropBox = ll:%g,%g ur:%g,%g\n",
- cropBox->x1, cropBox->y1, cropBox->x2, cropBox->y2);
- }
- printf("***** Rotate = %d\n", attrs->getRotate());
- }
+ double kx, ky;
+ int i;
rotate += getRotate();
if (rotate >= 360) {
} else if (rotate < 0) {
rotate += 360;
}
+
+ 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(),
- dpi, box, isCropped(), cropBox, rotate, printCommands);
+ 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 non-link annotations
- //~ need to reset CTM ???
- annotList = new Annots(xref, annots.fetch(xref, &obj));
+ annotList = new Annots(xref, catalog, annots.fetch(xref, &obj));
obj.free();
if (annotList->getNumAnnots() > 0) {
- if (printCommands) {
+ if (globalParams->getPrintCommands()) {
printf("***** Annotations\n");
}
for (i = 0; i < annotList->getNumAnnots(); ++i) {
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