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+/*
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+ * << Haru Free PDF Library 2.0.0 >> -- text_demo.c
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+ *
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+ * Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
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+ *
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+ * Permission to use, copy, modify, distribute and sell this software
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+ * and its documentation for any purpose is hereby granted without fee,
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+ * provided that the above copyright notice appear in all copies and
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+ * that both that copyright notice and this permission notice appear
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+ * in supporting documentation.
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+ * It is provided "as is" without express or implied warranty.
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+ *
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+ */
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+
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+#include <stdlib.h>
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+#include <stdio.h>
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+#include <string.h>
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+#include <math.h>
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+#include <setjmp.h>
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+#include "hpdf.h"
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+#include "grid_sheet.h"
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+
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+jmp_buf env;
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+#define HPDF_DLL
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+#ifdef HPDF_DLL
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+void __stdcall
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+#else
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+void
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+#endif
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+error_handler (HPDF_STATUS error_no,
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+ HPDF_STATUS detail_no,
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+ void *user_data)
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+{
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+ printf ("ERROR: error_no=%04X, detail_no=%u\n", (HPDF_UINT)error_no,
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+ (HPDF_UINT)detail_no);
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+ longjmp(env, 1);
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+}
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+
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+void
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+show_stripe_pattern (HPDF_Page page,
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+ HPDF_REAL x,
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+ HPDF_REAL y)
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+{
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+ HPDF_UINT iy = 0;
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+
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+ while (iy < 50) {
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+ HPDF_Page_SetRGBStroke (page, 0.0, 0.0, 0.5);
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+ HPDF_Page_SetLineWidth (page, 1);
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+ HPDF_Page_MoveTo (page, x, y + iy);
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+ HPDF_Page_LineTo (page, x + HPDF_Page_TextWidth (page, "ABCabc123"),
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+ y + iy);
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+ HPDF_Page_Stroke (page);
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+ iy += 3;
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+ }
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+
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+ HPDF_Page_SetLineWidth (page, 2.5);
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+}
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+
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+
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+void
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+show_description (HPDF_Page page,
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+ HPDF_REAL x,
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+ HPDF_REAL y,
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+ const char *text)
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+{
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+ float fsize = HPDF_Page_GetCurrentFontSize (page);
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+ HPDF_Font font = HPDF_Page_GetCurrentFont (page);
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+ HPDF_RGBColor c = HPDF_Page_GetRGBFill (page);
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+
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_SetRGBFill (page, 0, 0, 0);
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+ HPDF_Page_SetTextRenderingMode (page, HPDF_FILL);
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+ HPDF_Page_SetFontAndSize (page, font, 10);
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+ HPDF_Page_TextOut (page, x, y - 12, text);
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+ HPDF_Page_EndText (page);
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+
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+ HPDF_Page_SetFontAndSize (page, font, fsize);
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+ HPDF_Page_SetRGBFill (page, c.r, c.g, c.b);
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+}
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+
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+
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+int main (int argc, char **argv)
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+{
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+ const char *page_title = "Text Demo";
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+
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+ HPDF_Doc pdf;
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+ HPDF_Font font;
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+ HPDF_Page page;
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+ char fname[256];
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+
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+ const char* samp_text = "abcdefgABCDEFG123!#$%&+-@?";
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+ const char* samp_text2 = "The quick brown LOG jumps over the lazy WESLEHY.";
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+ float tw;
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+ float fsize;
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+ int i;
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+ int len;
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+
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+ float angle1;
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+ float angle2;
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+ float rad1;
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+ float rad2;
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+
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+ float ypos;
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+
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+ strcpy (fname, argv[0]);
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+ strcat (fname, ".pdf");
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+
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+ pdf = HPDF_New (error_handler, NULL);
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+ if (!pdf) {
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+ printf ("error: cannot create PdfDoc object\n");
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+ return 1;
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+ }
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+
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+ if (setjmp(env)) {
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+ HPDF_Free (pdf);
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+ return 1;
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+ }
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+
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+ /* set compression mode */
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+ HPDF_SetCompressionMode (pdf, HPDF_COMP_ALL);
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+
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+ /* create default-font */
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+ font = HPDF_GetFont (pdf, "Helvetica", NULL);
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+
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+ /* add a new page object. */
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+ page = HPDF_AddPage (pdf);
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+
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+ /* draw grid to the page */
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+ //print_grid (pdf, page);
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+
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+ /* print the lines of the page.
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+ HPDF_Page_SetLineWidth (page, 1);
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+ HPDF_Page_Rectangle (page, 50, 50, HPDF_Page_GetWidth(page) - 100,
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+ HPDF_Page_GetHeight (page) - 110);
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+ HPDF_Page_Stroke (page);
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+ */
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+
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+ /* print the title of the page (with positioning center). */
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+ HPDF_Page_SetFontAndSize (page, font, 24);
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+ tw = HPDF_Page_TextWidth (page, page_title);
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_TextOut (page, (HPDF_Page_GetWidth(page) - tw) / 2,
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+ HPDF_Page_GetHeight (page) - 50, page_title);
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+ HPDF_Page_EndText (page);
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+
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_MoveTextPos (page, 60, HPDF_Page_GetHeight(page) - 60);
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+
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+ /*
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+ * font size
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+ */
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+ fsize = 8;
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+ while (fsize < 60) {
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+ char buf[50];
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+ int len;
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+
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+ /* set style and size of font. */
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+ HPDF_Page_SetFontAndSize(page, font, fsize);
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+
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+ /* set the position of the text. */
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+ HPDF_Page_MoveTextPos (page, 0, -5 - fsize);
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+
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+ /* measure the number of characters which included in the page. */
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+ strcpy(buf, samp_text);
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+ len = HPDF_Page_MeasureText (page, samp_text,
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+ HPDF_Page_GetWidth(page) - 120, HPDF_FALSE, NULL);
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+
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+ /* truncate the text. */
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+ buf[len] = 0x00;
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+
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+ HPDF_Page_ShowText (page, buf);
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+
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+ /* print the description. */
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+ HPDF_Page_MoveTextPos (page, 0, -10);
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+ HPDF_Page_SetFontAndSize(page, font, 8);
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+ #ifdef __WIN32__
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+ _snprintf(buf, 50, "Fontsize=%.0f", fsize);
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+ #else
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+ snprintf(buf, 50, "Fontsize=%.0f", fsize);
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+ #endif
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+ HPDF_Page_ShowText (page, buf);
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+
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+ fsize *= 1.5;
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+ }
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+
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+ /*
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+ * font color
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+ */
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+ HPDF_Page_SetFontAndSize(page, font, 8);
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+ HPDF_Page_MoveTextPos (page, 0, -30);
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+ HPDF_Page_ShowText (page, "Font color");
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+
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+ HPDF_Page_SetFontAndSize (page, font, 18);
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+ HPDF_Page_MoveTextPos (page, 0, -20);
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+ len = strlen (samp_text);
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+ for (i = 0; i < len; i++) {
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+ char buf[2];
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+ float r = (float)i / (float)len;
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+ float g = 1 - ((float)i / (float)len);
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+ buf[0] = samp_text[i];
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+ buf[1] = 0x00;
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+
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+ HPDF_Page_SetRGBFill (page, r, g, 0.0);
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+ HPDF_Page_ShowText (page, buf);
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+ }
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+ HPDF_Page_MoveTextPos (page, 0, -25);
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+
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+ for (i = 0; i < len; i++) {
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+ char buf[2];
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+ float r = (float)i / (float)len;
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+ float b = 1 - ((float)i / (float)len);
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+ buf[0] = samp_text[i];
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+ buf[1] = 0x00;
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+
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+ HPDF_Page_SetRGBFill (page, r, 0.0, b);
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+ HPDF_Page_ShowText (page, buf);
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+ }
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+ HPDF_Page_MoveTextPos (page, 0, -25);
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+
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+ for (i = 0; i < len; i++) {
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+ char buf[2];
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+ float b = (float)i / (float)len;
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+ float g = 1 - ((float)i / (float)len);
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+ buf[0] = samp_text[i];
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+ buf[1] = 0x00;
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+
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+ HPDF_Page_SetRGBFill (page, 0.0, g, b);
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+ HPDF_Page_ShowText (page, buf);
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+ }
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+
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+ HPDF_Page_EndText (page);
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+
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+ ypos = 450;
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+
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+ /*
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+ * Font rendering mode
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+ */
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+ HPDF_Page_SetFontAndSize(page, font, 32);
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+ HPDF_Page_SetRGBFill (page, 0.5, 0.5, 0.0);
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+ HPDF_Page_SetLineWidth (page, 1.5);
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+
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+ /* PDF_FILL */
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+ show_description (page, 60, ypos,
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+ "RenderingMode=PDF_FILL");
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+ HPDF_Page_SetTextRenderingMode (page, HPDF_FILL);
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_TextOut (page, 60, ypos, "ABCabc123");
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+ HPDF_Page_EndText (page);
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+
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+ /* PDF_STROKE */
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+ show_description (page, 60, ypos - 50,
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+ "RenderingMode=PDF_STROKE");
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+ HPDF_Page_SetTextRenderingMode (page, HPDF_STROKE);
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_TextOut (page, 60, ypos - 50, "ABCabc123");
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+ HPDF_Page_EndText (page);
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+
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+ /* PDF_FILL_THEN_STROKE */
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+ show_description (page, 60, ypos - 100,
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+ "RenderingMode=PDF_FILL_THEN_STROKE");
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+ HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_THEN_STROKE);
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_TextOut (page, 60, ypos - 100, "ABCabc123");
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+ HPDF_Page_EndText (page);
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+
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+ /* PDF_FILL_CLIPPING */
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+ show_description (page, 60, ypos - 150,
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+ "RenderingMode=PDF_FILL_CLIPPING");
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+ HPDF_Page_GSave (page);
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+ HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_CLIPPING);
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_TextOut (page, 60, ypos - 150, "ABCabc123");
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+ HPDF_Page_EndText (page);
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+ show_stripe_pattern (page, 60, ypos - 150);
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+ HPDF_Page_GRestore (page);
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+
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+ /* PDF_STROKE_CLIPPING */
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+ show_description (page, 60, ypos - 200,
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+ "RenderingMode=PDF_STROKE_CLIPPING");
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+ HPDF_Page_GSave (page);
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+ HPDF_Page_SetTextRenderingMode (page, HPDF_STROKE_CLIPPING);
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_TextOut (page, 60, ypos - 200, "ABCabc123");
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+ HPDF_Page_EndText (page);
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+ show_stripe_pattern (page, 60, ypos - 200);
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+ HPDF_Page_GRestore (page);
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+
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+ /* PDF_FILL_STROKE_CLIPPING */
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+ show_description (page, 60, ypos - 250,
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+ "RenderingMode=PDF_FILL_STROKE_CLIPPING");
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+ HPDF_Page_GSave (page);
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+ HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_STROKE_CLIPPING);
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_TextOut (page, 60, ypos - 250, "ABCabc123");
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+ HPDF_Page_EndText (page);
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+ show_stripe_pattern (page, 60, ypos - 250);
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+ HPDF_Page_GRestore (page);
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+
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+ /* Reset text attributes */
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+ HPDF_Page_SetTextRenderingMode (page, HPDF_FILL);
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+ HPDF_Page_SetRGBFill (page, 0, 0, 0);
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+ HPDF_Page_SetFontAndSize(page, font, 30);
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+
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+
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+ /*
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+ * Rotating text
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+ */
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+ angle1 = 30; /* A rotation of 30 degrees. */
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+ rad1 = angle1 / 180 * 3.141592; /* Calcurate the radian value. */
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+
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+ show_description (page, 320, ypos - 60, "Rotating text");
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_SetTextMatrix (page, cos(rad1), sin(rad1), -sin(rad1), cos(rad1),
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+ 330, ypos - 60);
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+ HPDF_Page_ShowText (page, "ABCabc123");
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+ HPDF_Page_EndText (page);
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+
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+
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+ /*
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+ * Skewing text.
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+ */
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+ show_description (page, 320, ypos - 120, "Skewing text");
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+ HPDF_Page_BeginText (page);
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+
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+ angle1 = 10;
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+ angle2 = 20;
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+ rad1 = angle1 / 180 * 3.141592;
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+ rad2 = angle2 / 180 * 3.141592;
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+
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+ HPDF_Page_SetTextMatrix (page, 1, tan(rad1), tan(rad2), 1, 320, ypos - 120);
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+ HPDF_Page_ShowText (page, "ABCabc123");
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+ HPDF_Page_EndText (page);
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+
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+
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+ /*
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+ * scaling text (X direction)
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+ */
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+ show_description (page, 320, ypos - 175, "Scaling text (X direction)");
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_SetTextMatrix (page, 1.5, 0, 0, 1, 320, ypos - 175);
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+ HPDF_Page_ShowText (page, "ABCabc12");
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+ HPDF_Page_EndText (page);
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+
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+
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+ /*
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+ * scaling text (Y direction)
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+ */
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+ show_description (page, 320, ypos - 250, "Scaling text (Y direction)");
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_SetTextMatrix (page, 1, 0, 0, 2, 320, ypos - 250);
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+ HPDF_Page_ShowText (page, "ABCabc123");
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+ HPDF_Page_EndText (page);
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+
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+
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+ /*
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+ * char spacing, word spacing
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+ */
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+
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+ show_description (page, 60, 140, "char-spacing 0");
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+ show_description (page, 60, 100, "char-spacing 1.5");
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+ show_description (page, 60, 60, "char-spacing 1.5, word-spacing 2.5");
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+
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+ HPDF_Page_SetFontAndSize (page, font, 20);
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+ HPDF_Page_SetRGBFill (page, 0.1, 0.3, 0.1);
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+
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+ /* char-spacing 0 */
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_TextOut (page, 60, 140, samp_text2);
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+ HPDF_Page_EndText (page);
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+
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+ /* char-spacing 1.5 */
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+ HPDF_Page_SetCharSpace (page, 1.5);
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+
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_TextOut (page, 60, 100, samp_text2);
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+ HPDF_Page_EndText (page);
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+
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+ /* char-spacing 1.5, word-spacing 3.5 */
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+ HPDF_Page_SetWordSpace (page, 2.5);
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+
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+ HPDF_Page_BeginText (page);
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+ HPDF_Page_TextOut (page, 60, 60, samp_text2);
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+ HPDF_Page_EndText (page);
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+
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+ /* save the document to a file */
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+ HPDF_SaveToFile (pdf, fname);
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+
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+ /* clean up */
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+ HPDF_Free (pdf);
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+
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+ return 0;
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|
+}
|