//
// 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"
readBox(dict, "MediaBox", &mediaBox);
// crop box
- cropBox = mediaBox;
- haveCropBox = readBox(dict, "CropBox", &cropBox);
+ if (readBox(dict, "CropBox", &cropBox)) {
+ haveCropBox = gTrue;
+ }
+ if (!haveCropBox) {
+ cropBox = mediaBox;
+ }
// if the MediaBox is excessively larger than the CropBox,
// just use the CropBox
}
}
+ /* if the crop box is larger than the media box, cut it down to
+ media box size */
+ if(haveCropBox &&
+ mediaBox.x1 <= cropBox.x2 &&
+ mediaBox.y1 <= cropBox.y2 &&
+ cropBox.x1 <= mediaBox.x2 &&
+ cropBox.y1 <= mediaBox.y2) {
+ if(mediaBox.x1 >= cropBox.x1) cropBox.x1 = mediaBox.x1;
+ if(mediaBox.y1 >= cropBox.y1) cropBox.y1 = mediaBox.y1;
+ if(mediaBox.x2 <= cropBox.x2) cropBox.x2 = mediaBox.x2;
+ if(mediaBox.y2 <= cropBox.y2) cropBox.y2 = mediaBox.y2;
+ }
+
// other boxes
bleedBox = cropBox;
readBox(dict, "BleedBox", &bleedBox);
// 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 crop,
+ Links *links, Catalog *catalog,
+ GBool (*abortCheckCbk)(void *data),
+ void *abortCheckCbkData) {
+ displaySlice(out, hDPI, vDPI, rotate, crop, -1, -1, -1, -1, links, catalog,
+ abortCheckCbk, abortCheckCbkData);
+}
+
+void Page::displaySlice(OutputDev *out, double hDPI, double vDPI,
+ int rotate, 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;
+ PDFRectangle box;
Gfx *gfx;
Object obj;
Link *link;
- int i;
Annots *annotList;
+ double kx, ky;
+ int i;
- box = getBox();
+ rotate += getRotate();
+ if (rotate >= 360) {
+ rotate -= 360;
+ } else if (rotate < 0) {
+ rotate += 360;
+ }
+
+ mediaBox = getBox();
+ if (sliceW >= 0 && sliceH >= 0) {
+ kx = 72.0 / hDPI;
+ ky = 72.0 / vDPI;
+ if (rotate == 90) {
+ if (out->upsideDown()) {
+ box.x1 = mediaBox->x1 + ky * sliceY;
+ box.x2 = mediaBox->x1 + ky * (sliceY + sliceH);
+ } else {
+ box.x1 = mediaBox->x2 - ky * (sliceY + sliceH);
+ box.x2 = mediaBox->x2 - ky * sliceY;
+ }
+ box.y1 = mediaBox->y1 + kx * sliceX;
+ box.y2 = mediaBox->y1 + kx * (sliceX + sliceW);
+ } else if (rotate == 180) {
+ box.x1 = mediaBox->x2 - kx * (sliceX + sliceW);
+ box.x2 = mediaBox->x2 - kx * sliceX;
+ if (out->upsideDown()) {
+ box.y1 = mediaBox->y1 + ky * sliceY;
+ box.y2 = mediaBox->y1 + ky * (sliceY + sliceH);
+ } else {
+ box.y1 = mediaBox->y2 - ky * (sliceY + sliceH);
+ box.y2 = mediaBox->y2 - ky * sliceY;
+ }
+ } else if (rotate == 270) {
+ if (out->upsideDown()) {
+ box.x1 = mediaBox->x2 - ky * (sliceY + sliceH);
+ box.x2 = mediaBox->x2 - ky * sliceY;
+ } else {
+ box.x1 = mediaBox->x1 + ky * sliceY;
+ box.x2 = mediaBox->x1 + ky * (sliceY + sliceH);
+ }
+ box.y1 = mediaBox->y2 - kx * (sliceX + sliceW);
+ box.y2 = mediaBox->y2 - kx * sliceX;
+ } else {
+ box.x1 = mediaBox->x1 + kx * sliceX;
+ box.x2 = mediaBox->x1 + kx * (sliceX + sliceW);
+ if (out->upsideDown()) {
+ box.y1 = mediaBox->y2 - ky * (sliceY + sliceH);
+ box.y2 = mediaBox->y2 - ky * sliceY;
+ } else {
+ box.y1 = mediaBox->y1 + ky * sliceY;
+ box.y2 = mediaBox->y1 + ky * (sliceY + sliceH);
+ }
+ }
+ } else {
+ box = *mediaBox;
+ }
cropBox = getCropBox();
- if (printCommands) {
+ if (globalParams->getPrintCommands()) {
printf("***** MediaBox = ll:%g,%g ur:%g,%g\n",
- box->x1, box->y1, box->x2, box->y2);
+ 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());
}
- rotate += getRotate();
- if (rotate >= 360) {
- rotate -= 360;
- } else if (rotate < 0) {
- rotate += 360;
- }
gfx = new Gfx(xref, out, num, attrs->getResourceDict(),
- dpi, box, isCropped(), cropBox, rotate, printCommands);
+ hDPI, vDPI, &box, crop && isCropped(), cropBox, 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));
obj.free();
if (annotList->getNumAnnots() > 0) {
- if (printCommands) {
+ if (globalParams->getPrintCommands()) {
printf("***** Annotations\n");
}
for (i = 0; i < annotList->getNumAnnots(); ++i) {