2 * << Haru Free PDF Library 2.0.0 >> -- text_demo.c
4 * Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
6 * Permission to use, copy, modify, distribute and sell this software
7 * and its documentation for any purpose is hereby granted without fee,
8 * provided that the above copyright notice appear in all copies and
9 * that both that copyright notice and this permission notice appear
10 * in supporting documentation.
11 * It is provided "as is" without express or implied warranty.
21 #include "grid_sheet.h"
30 error_handler (HPDF_STATUS error_no,
31 HPDF_STATUS detail_no,
34 printf ("ERROR: error_no=%04X, detail_no=%u\n", (HPDF_UINT)error_no,
35 (HPDF_UINT)detail_no);
40 show_stripe_pattern (HPDF_Page page,
47 HPDF_Page_SetRGBStroke (page, 0.0, 0.0, 0.5);
48 HPDF_Page_SetLineWidth (page, 1);
49 HPDF_Page_MoveTo (page, x, y + iy);
50 HPDF_Page_LineTo (page, x + HPDF_Page_TextWidth (page, "ABCabc123"),
52 HPDF_Page_Stroke (page);
56 HPDF_Page_SetLineWidth (page, 2.5);
61 show_description (HPDF_Page page,
66 float fsize = HPDF_Page_GetCurrentFontSize (page);
67 HPDF_Font font = HPDF_Page_GetCurrentFont (page);
68 HPDF_RGBColor c = HPDF_Page_GetRGBFill (page);
70 HPDF_Page_BeginText (page);
71 HPDF_Page_SetRGBFill (page, 0, 0, 0);
72 HPDF_Page_SetTextRenderingMode (page, HPDF_FILL);
73 HPDF_Page_SetFontAndSize (page, font, 10);
74 HPDF_Page_TextOut (page, x, y - 12, text);
75 HPDF_Page_EndText (page);
77 HPDF_Page_SetFontAndSize (page, font, fsize);
78 HPDF_Page_SetRGBFill (page, c.r, c.g, c.b);
82 int main (int argc, char **argv)
84 const char *page_title = "Text Demo";
91 const char* samp_text = "abcdefgABCDEFG123!#$%&+-@?";
92 const char* samp_text2 = "The quick brown fox jumps over the lazy dog.";
105 strcpy (fname, argv[0]);
106 strcat (fname, ".pdf");
108 pdf = HPDF_New (error_handler, NULL);
110 printf ("error: cannot create PdfDoc object\n");
119 /* set compression mode */
120 HPDF_SetCompressionMode (pdf, HPDF_COMP_ALL);
122 /* create default-font */
123 font = HPDF_GetFont (pdf, "Helvetica", NULL);
125 /* add a new page object. */
126 page = HPDF_AddPage (pdf);
128 /* draw grid to the page */
129 print_grid (pdf, page);
131 /* print the lines of the page.
132 HPDF_Page_SetLineWidth (page, 1);
133 HPDF_Page_Rectangle (page, 50, 50, HPDF_Page_GetWidth(page) - 100,
134 HPDF_Page_GetHeight (page) - 110);
135 HPDF_Page_Stroke (page);
138 /* print the title of the page (with positioning center). */
139 HPDF_Page_SetFontAndSize (page, font, 24);
140 tw = HPDF_Page_TextWidth (page, page_title);
141 HPDF_Page_BeginText (page);
142 HPDF_Page_TextOut (page, (HPDF_Page_GetWidth(page) - tw) / 2,
143 HPDF_Page_GetHeight (page) - 50, page_title);
144 HPDF_Page_EndText (page);
146 HPDF_Page_BeginText (page);
147 HPDF_Page_MoveTextPos (page, 60, HPDF_Page_GetHeight(page) - 60);
157 /* set style and size of font. */
158 HPDF_Page_SetFontAndSize(page, font, fsize);
160 /* set the position of the text. */
161 HPDF_Page_MoveTextPos (page, 0, -5 - fsize);
163 /* measure the number of characters which included in the page. */
164 strcpy(buf, samp_text);
165 len = HPDF_Page_MeasureText (page, samp_text,
166 HPDF_Page_GetWidth(page) - 120, HPDF_FALSE, NULL);
168 /* truncate the text. */
171 HPDF_Page_ShowText (page, buf);
173 /* print the description. */
174 HPDF_Page_MoveTextPos (page, 0, -10);
175 HPDF_Page_SetFontAndSize(page, font, 8);
177 _snprintf(buf, 50, "Fontsize=%.0f", fsize);
179 snprintf(buf, 50, "Fontsize=%.0f", fsize);
181 HPDF_Page_ShowText (page, buf);
189 HPDF_Page_SetFontAndSize(page, font, 8);
190 HPDF_Page_MoveTextPos (page, 0, -30);
191 HPDF_Page_ShowText (page, "Font color");
193 HPDF_Page_SetFontAndSize (page, font, 18);
194 HPDF_Page_MoveTextPos (page, 0, -20);
195 len = strlen (samp_text);
196 for (i = 0; i < len; i++) {
198 float r = (float)i / (float)len;
199 float g = 1 - ((float)i / (float)len);
200 buf[0] = samp_text[i];
203 HPDF_Page_SetRGBFill (page, r, g, 0.0);
204 HPDF_Page_ShowText (page, buf);
206 HPDF_Page_MoveTextPos (page, 0, -25);
208 for (i = 0; i < len; i++) {
210 float r = (float)i / (float)len;
211 float b = 1 - ((float)i / (float)len);
212 buf[0] = samp_text[i];
215 HPDF_Page_SetRGBFill (page, r, 0.0, b);
216 HPDF_Page_ShowText (page, buf);
218 HPDF_Page_MoveTextPos (page, 0, -25);
220 for (i = 0; i < len; i++) {
222 float b = (float)i / (float)len;
223 float g = 1 - ((float)i / (float)len);
224 buf[0] = samp_text[i];
227 HPDF_Page_SetRGBFill (page, 0.0, g, b);
228 HPDF_Page_ShowText (page, buf);
231 HPDF_Page_EndText (page);
236 * Font rendering mode
238 HPDF_Page_SetFontAndSize(page, font, 32);
239 HPDF_Page_SetRGBFill (page, 0.5, 0.5, 0.0);
240 HPDF_Page_SetLineWidth (page, 1.5);
243 show_description (page, 60, ypos,
244 "RenderingMode=PDF_FILL");
245 HPDF_Page_SetTextRenderingMode (page, HPDF_FILL);
246 HPDF_Page_BeginText (page);
247 HPDF_Page_TextOut (page, 60, ypos, "ABCabc123");
248 HPDF_Page_EndText (page);
251 show_description (page, 60, ypos - 50,
252 "RenderingMode=PDF_STROKE");
253 HPDF_Page_SetTextRenderingMode (page, HPDF_STROKE);
254 HPDF_Page_BeginText (page);
255 HPDF_Page_TextOut (page, 60, ypos - 50, "ABCabc123");
256 HPDF_Page_EndText (page);
258 /* PDF_FILL_THEN_STROKE */
259 show_description (page, 60, ypos - 100,
260 "RenderingMode=PDF_FILL_THEN_STROKE");
261 HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_THEN_STROKE);
262 HPDF_Page_BeginText (page);
263 HPDF_Page_TextOut (page, 60, ypos - 100, "ABCabc123");
264 HPDF_Page_EndText (page);
266 /* PDF_FILL_CLIPPING */
267 show_description (page, 60, ypos - 150,
268 "RenderingMode=PDF_FILL_CLIPPING");
269 HPDF_Page_GSave (page);
270 HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_CLIPPING);
271 HPDF_Page_BeginText (page);
272 HPDF_Page_TextOut (page, 60, ypos - 150, "ABCabc123");
273 HPDF_Page_EndText (page);
274 show_stripe_pattern (page, 60, ypos - 150);
275 HPDF_Page_GRestore (page);
277 /* PDF_STROKE_CLIPPING */
278 show_description (page, 60, ypos - 200,
279 "RenderingMode=PDF_STROKE_CLIPPING");
280 HPDF_Page_GSave (page);
281 HPDF_Page_SetTextRenderingMode (page, HPDF_STROKE_CLIPPING);
282 HPDF_Page_BeginText (page);
283 HPDF_Page_TextOut (page, 60, ypos - 200, "ABCabc123");
284 HPDF_Page_EndText (page);
285 show_stripe_pattern (page, 60, ypos - 200);
286 HPDF_Page_GRestore (page);
288 /* PDF_FILL_STROKE_CLIPPING */
289 show_description (page, 60, ypos - 250,
290 "RenderingMode=PDF_FILL_STROKE_CLIPPING");
291 HPDF_Page_GSave (page);
292 HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_STROKE_CLIPPING);
293 HPDF_Page_BeginText (page);
294 HPDF_Page_TextOut (page, 60, ypos - 250, "ABCabc123");
295 HPDF_Page_EndText (page);
296 show_stripe_pattern (page, 60, ypos - 250);
297 HPDF_Page_GRestore (page);
299 /* Reset text attributes */
300 HPDF_Page_SetTextRenderingMode (page, HPDF_FILL);
301 HPDF_Page_SetRGBFill (page, 0, 0, 0);
302 HPDF_Page_SetFontAndSize(page, font, 30);
308 angle1 = 30; /* A rotation of 30 degrees. */
309 rad1 = angle1 / 180 * 3.141592; /* Calcurate the radian value. */
311 show_description (page, 320, ypos - 60, "Rotating text");
312 HPDF_Page_BeginText (page);
313 HPDF_Page_SetTextMatrix (page, cos(rad1), sin(rad1), -sin(rad1), cos(rad1),
315 HPDF_Page_ShowText (page, "ABCabc123");
316 HPDF_Page_EndText (page);
322 show_description (page, 320, ypos - 120, "Skewing text");
323 HPDF_Page_BeginText (page);
327 rad1 = angle1 / 180 * 3.141592;
328 rad2 = angle2 / 180 * 3.141592;
330 HPDF_Page_SetTextMatrix (page, 1, tan(rad1), tan(rad2), 1, 320, ypos - 120);
331 HPDF_Page_ShowText (page, "ABCabc123");
332 HPDF_Page_EndText (page);
336 * scaling text (X direction)
338 show_description (page, 320, ypos - 175, "Scaling text (X direction)");
339 HPDF_Page_BeginText (page);
340 HPDF_Page_SetTextMatrix (page, 1.5, 0, 0, 1, 320, ypos - 175);
341 HPDF_Page_ShowText (page, "ABCabc12");
342 HPDF_Page_EndText (page);
346 * scaling text (Y direction)
348 show_description (page, 320, ypos - 250, "Scaling text (Y direction)");
349 HPDF_Page_BeginText (page);
350 HPDF_Page_SetTextMatrix (page, 1, 0, 0, 2, 320, ypos - 250);
351 HPDF_Page_ShowText (page, "ABCabc123");
352 HPDF_Page_EndText (page);
356 * char spacing, word spacing
359 show_description (page, 60, 140, "char-spacing 0");
360 show_description (page, 60, 100, "char-spacing 1.5");
361 show_description (page, 60, 60, "char-spacing 1.5, word-spacing 2.5");
363 HPDF_Page_SetFontAndSize (page, font, 20);
364 HPDF_Page_SetRGBFill (page, 0.1, 0.3, 0.1);
367 HPDF_Page_BeginText (page);
368 HPDF_Page_TextOut (page, 60, 140, samp_text2);
369 HPDF_Page_EndText (page);
371 /* char-spacing 1.5 */
372 HPDF_Page_SetCharSpace (page, 1.5);
374 HPDF_Page_BeginText (page);
375 HPDF_Page_TextOut (page, 60, 100, samp_text2);
376 HPDF_Page_EndText (page);
378 /* char-spacing 1.5, word-spacing 3.5 */
379 HPDF_Page_SetWordSpace (page, 2.5);
381 HPDF_Page_BeginText (page);
382 HPDF_Page_TextOut (page, 60, 60, samp_text2);
383 HPDF_Page_EndText (page);
385 /* save the document to a file */
386 HPDF_SaveToFile (pdf, fname);