slide_show_demo.c

/*
 * << Haru Free PDF Library 2.0.6 >> -- slideshow_demo.c
 *
 * Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.
 * It is provided "as is" without express or implied warranty.
 *
 */
 
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "hpdf.h"
#include "handler.h"
#include "utils.h"
 
void
print_page  (HPDF_Page  page, const char *caption, HPDF_Font font, 
    HPDF_TransitionStyle style, HPDF_Page prev, HPDF_Page next)
{
    float r = (float)rand() / (float)RAND_MAX;
    float g = (float)rand() / (float)RAND_MAX;
    float b = (float)rand() / (float)RAND_MAX;
    HPDF_Rect rect;
    HPDF_Destination dst;
    HPDF_Annotation annot;
 
    HPDF_Page_SetWidth (page, 800);
    HPDF_Page_SetHeight (page, 600);
 
    HPDF_Page_SetRGBFill (page, r, g, b);
 
    HPDF_Page_Rectangle (page, 0, 0, 800, 600);
    HPDF_Page_Fill (page);
 
    HPDF_Page_SetRGBFill (page, 1.0f - r, 1.0f - g, 1.0f - b);
 
    HPDF_Page_SetFontAndSize (page, font, 30);
 
    HPDF_Page_BeginText (page);
    HPDF_Page_SetTextMatrix (page, 0.8f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f);   
    HPDF_Page_TextOut (page, 50, 530, caption);
 
    HPDF_Page_SetTextMatrix (page, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f);   
    HPDF_Page_SetFontAndSize (page, font, 20);
    HPDF_Page_TextOut (page, 55, 300, 
            "Type \"Ctrl+L\" in order to return from full screen mode.");
    HPDF_Page_EndText (page);
 
    HPDF_Page_SetSlideShow (page, style, 5.0, 1.0);
 
    HPDF_Page_SetFontAndSize (page, font, 20);
 
    if (next) {
        HPDF_Page_BeginText (page);
        HPDF_Page_TextOut (page, 680, 50, "Next=>");
        HPDF_Page_EndText (page);
 
        rect.left = 680;
        rect.right = 750;
        rect.top = 70;
        rect.bottom = 50;
        dst = HPDF_Page_CreateDestination (next);
        HPDF_Destination_SetFit(dst);
        annot = HPDF_Page_CreateLinkAnnot (page, rect, dst);
        HPDF_LinkAnnot_SetBorderStyle (annot, 0, 0, 0);
        HPDF_LinkAnnot_SetHighlightMode (annot, HPDF_ANNOT_INVERT_BOX);
    } 
 
    if (prev) {
        HPDF_Page_BeginText (page);
        HPDF_Page_TextOut (page, 50, 50, "<=Prev");
        HPDF_Page_EndText (page);
 
        rect.left = 50;
        rect.right = 110;
        rect.top = 70;
        rect.bottom = 50;
        dst = HPDF_Page_CreateDestination (prev);
        HPDF_Destination_SetFit(dst);
        annot = HPDF_Page_CreateLinkAnnot (page, rect, dst);
        HPDF_LinkAnnot_SetBorderStyle (annot, 0, 0, 0);
        HPDF_LinkAnnot_SetHighlightMode (annot, HPDF_ANNOT_INVERT_BOX);
    }
}
 
int main(int argc, char **argv)
{
    HPDF_Doc  pdf;
    HPDF_Font font;
    HPDF_Page page[17];
    char fname[256];
 
    strcpy (fname, argv[0]);
    strcat (fname, ".pdf");
 
    pdf = HPDF_New (demo_error_handler, NULL);
    if (!pdf) {
        printf ("error: cannot create PdfDoc object\n");
        return 1;
    }
 
    if (setjmp(env)) {
        HPDF_Free (pdf);
        return 1;
    }
 
    /* create default-font */
    font = HPDF_GetFont (pdf, "Courier", NULL);
 
    /* Add 17 pages to the document. */
    page[ 0] = HPDF_AddPage (pdf);
    page[ 1] = HPDF_AddPage (pdf);
    page[ 2] = HPDF_AddPage (pdf);
    page[ 3] = HPDF_AddPage (pdf);
    page[ 4] = HPDF_AddPage (pdf);
    page[ 5] = HPDF_AddPage (pdf);
    page[ 6] = HPDF_AddPage (pdf);
    page[ 7] = HPDF_AddPage (pdf);
    page[ 8] = HPDF_AddPage (pdf);
    page[ 9] = HPDF_AddPage (pdf);
    page[10] = HPDF_AddPage (pdf);
    page[11] = HPDF_AddPage (pdf);
    page[12] = HPDF_AddPage (pdf);
    page[13] = HPDF_AddPage (pdf);
    page[14] = HPDF_AddPage (pdf);
    page[15] = HPDF_AddPage (pdf);
    page[16] = HPDF_AddPage (pdf);
 
    print_page(page[ 0], "HPDF_TS_WIPE_RIGHT",                       font, HPDF_TS_WIPE_RIGHT,                       NULL,     page[ 1]);
    print_page(page[ 1], "HPDF_TS_WIPE_UP",                          font, HPDF_TS_WIPE_UP,                          page[ 0], page[ 2]);
    print_page(page[ 2], "HPDF_TS_WIPE_LEFT",                        font, HPDF_TS_WIPE_LEFT,                        page[ 1], page[ 3]);
    print_page(page[ 3], "HPDF_TS_WIPE_DOWN",                        font, HPDF_TS_WIPE_DOWN,                        page[ 2], page[ 4]);
    print_page(page[ 4], "HPDF_TS_BARN_DOORS_HORIZONTAL_OUT",        font, HPDF_TS_BARN_DOORS_HORIZONTAL_OUT,        page[ 3], page[ 5]);
    print_page(page[ 5], "HPDF_TS_BARN_DOORS_HORIZONTAL_IN",         font, HPDF_TS_BARN_DOORS_HORIZONTAL_IN,         page[ 4], page[ 6]);
    print_page(page[ 6], "HPDF_TS_BARN_DOORS_VERTICAL_OUT",          font, HPDF_TS_BARN_DOORS_VERTICAL_OUT,          page[ 5], page[ 7]);
    print_page(page[ 7], "HPDF_TS_BARN_DOORS_VERTICAL_IN",           font, HPDF_TS_BARN_DOORS_VERTICAL_IN,           page[ 6], page[ 8]);
    print_page(page[ 8], "HPDF_TS_BOX_OUT",                          font, HPDF_TS_BOX_OUT,                          page[ 7], page[ 9]);
    print_page(page[ 9], "HPDF_TS_BOX_IN",                           font, HPDF_TS_BOX_IN,                           page[ 8], page[10]);
    print_page(page[10], "HPDF_TS_BLINDS_HORIZONTAL",                font, HPDF_TS_BLINDS_HORIZONTAL,                page[ 9], page[11]);
    print_page(page[11], "HPDF_TS_BLINDS_VERTICAL",                  font, HPDF_TS_BLINDS_VERTICAL,                  page[10], page[12]);
    print_page(page[12], "HPDF_TS_DISSOLVE",                         font, HPDF_TS_DISSOLVE,                         page[11], page[13]);
    print_page(page[13], "HPDF_TS_GLITTER_RIGHT",                    font, HPDF_TS_GLITTER_RIGHT,                    page[12], page[14]);
    print_page(page[14], "HPDF_TS_GLITTER_DOWN",                     font, HPDF_TS_GLITTER_DOWN,                     page[13], page[15]);
    print_page(page[15], "HPDF_TS_GLITTER_TOP_LEFT_TO_BOTTOM_RIGHT", font, HPDF_TS_GLITTER_TOP_LEFT_TO_BOTTOM_RIGHT, page[14], page[16]);
    print_page(page[16], "HPDF_TS_REPLACE",                          font, HPDF_TS_REPLACE,                          page[15], NULL);
 
    HPDF_SetPageMode (pdf, HPDF_PAGE_MODE_FULL_SCREEN);
 
    /* save the document to a file */
    HPDF_SaveToFile (pdf, fname);
 
    /* clean up */
    HPDF_Free (pdf);
 
    return 0;
}