apt-get install libhpdf-2.1.0 libhpdf-dev
per la compilazione e' sufficiente il seguente comando
gcc -Wall -O3 -lhpdf test.c test
Nell'esempio vengono uniti comandi per la creazione di testo e gestione di immagini
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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <setjmp.h>
#include "hpdf.h"
jmp_buf env;
#ifdef HPDF_DLL
void __stdcall
#else
void
#endif
error_handler (HPDF_STATUS error_no,
HPDF_STATUS detail_no,
void *user_data)
{
printf ("ERROR: error_no=%04X, detail_no=%u\n", (HPDF_UINT)error_no,
(HPDF_UINT)detail_no);
longjmp(env, 1);
}
int no = 0;
void PrintText(HPDF_Page page)
{
char buf[512];
HPDF_Point pos = HPDF_Page_GetCurrentTextPos (page);
no++;
snprintf (buf, 512, ".[%d]%0.2f %0.2f", no, pos.x, pos.y);
HPDF_Page_ShowText(page, buf);
}
int
main (int argc, char **argv)
{
HPDF_Doc pdf;
HPDF_Page page;
HPDF_Font font;
HPDF_REAL page_height;
HPDF_Rect rect;
HPDF_Image image;
const char* SAMP_TXT = "Nel mezzo del cammin di nostra vita. ";
const char* fname = "prova_pdf.pdf";
pdf = HPDF_New (error_handler, NULL);
if (!pdf) {
printf ("error: cannot create PdfDoc object\n");
return 1;
}
if (setjmp(env)) {
HPDF_Free (pdf);
return 1;
}
/* add a new page object. */
page = HPDF_AddPage (pdf);
HPDF_Page_SetSize (page, HPDF_PAGE_SIZE_A5, HPDF_PAGE_PORTRAIT);
page_height = HPDF_Page_GetHeight (page);
font = HPDF_GetFont (pdf, "Helvetica", NULL);
HPDF_Page_SetTextLeading (page, 20);
rect.left = 25;
rect.top = 545;
rect.right = 200;
rect.bottom = rect.top - 40;
HPDF_Page_Rectangle (page, rect.left, rect.bottom, rect.right - rect.left,rect.top - rect.bottom);
HPDF_Page_Stroke (page);
HPDF_Page_BeginText (page);
HPDF_Page_SetFontAndSize (page, font, 10);
HPDF_Page_TextOut (page, rect.left, rect.top + 3, "Titolo del Box");
HPDF_Page_SetFontAndSize (page, font, 13);
HPDF_Page_TextRect (page, rect.left, rect.top, rect.right, rect.bottom,SAMP_TXT, HPDF_TALIGN_LEFT, NULL);
HPDF_Page_EndText (page);
/* Draw image to the canvas. */
image = HPDF_LoadJpegImageFromFile (pdf, "gattino.jpg");
HPDF_Page_DrawImage (page, image, 100, 200, HPDF_Image_GetWidth (image),HPDF_Image_GetHeight (image));
/* salva sul file*/
HPDF_SaveToFile (pdf, fname);
HPDF_Free (pdf);
return 0;
}
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Link al progetto
