← Back
Editing: text_demo.py
### ## * << Haru Free PDF Library 2.0.0 >> -- text_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. ## * ## ## port to python by Li Jun ## http://groups.google.com/group/pythoncia import os, sys from ctypes import * up=2 def setlibpath(up): import sys path=os.path.normpath(os.path.split(os.path.realpath(__file__))[0]+'\..'*up) if path not in sys.path: sys.path.append(path) setlibpath(up) from haru import * from haru.c_func import * from haru.hpdf_errorcode import * from grid_sheet import * from math import * @HPDF_Error_Handler(None, HPDF_UINT, HPDF_UINT, c_void_p) def error_handler (error_no, detail_no, user_data): global pdf printf ("ERROR: %s, detail_no=%u\n", error_detail[error_no], detail_no) HPDF_Free (pdf) sys.exit(1) def show_stripe_pattern (page, x, y): iy = 0 while (iy < 50): HPDF_Page_SetRGBStroke (page, 0.0, 0.0, 0.5) HPDF_Page_SetLineWidth (page, 1) HPDF_Page_MoveTo (page, x, y + iy) HPDF_Page_LineTo (page, x + HPDF_Page_TextWidth (page, "ABCabc123"), y + iy) HPDF_Page_Stroke (page) iy += 3 HPDF_Page_SetLineWidth (page, 2.5) def show_description (page, x, y, text): fsize = HPDF_Page_GetCurrentFontSize (page) font = HPDF_Page_GetCurrentFont (page) c = HPDF_Page_GetRGBFill (page) HPDF_Page_BeginText (page) HPDF_Page_SetRGBFill (page, 0, 0, 0) HPDF_Page_SetTextRenderingMode (page, HPDF_FILL) HPDF_Page_SetFontAndSize (page, font, 10) HPDF_Page_TextOut (page, x, y - 12, text) HPDF_Page_EndText (page) HPDF_Page_SetFontAndSize (page, font, fsize) HPDF_Page_SetRGBFill (page, c.r, c.g, c.b) def main (): global pdf page_title = "Text Demo" samp_text = "abcdefgABCDEFG123!#$%&+-@?" samp_text2 = "The quick brown fox jumps over the lazy dog." fname=os.path.realpath(sys.argv[0]) fname=fname[:fname.rfind('.')]+'.pdf' pdf = HPDF_New (error_handler, NULL) if (not pdf): printf ("error: cannot create PdfDoc object\n") return 1 # set compression mode HPDF_SetCompressionMode (pdf, HPDF_COMP_ALL) # create default-font font = HPDF_GetFont (pdf, "Helvetica", NULL) # add a new page object. page = HPDF_AddPage (pdf) # draw grid to the page print_grid (pdf, page) # print the lines of the page. HPDF_Page_SetLineWidth (page, 1) HPDF_Page_Rectangle (page, 50, 50, HPDF_Page_GetWidth(page) - 100, HPDF_Page_GetHeight (page) - 110) HPDF_Page_Stroke (page) # print the title of the page (with positioning center). HPDF_Page_SetFontAndSize (page, font, 24) tw = HPDF_Page_TextWidth (page, page_title) HPDF_Page_BeginText (page) HPDF_Page_TextOut (page, (HPDF_Page_GetWidth(page) - tw) / 2, HPDF_Page_GetHeight (page) - 50, page_title) HPDF_Page_EndText (page) HPDF_Page_BeginText (page) HPDF_Page_MoveTextPos (page, 60, HPDF_Page_GetHeight(page) - 60) # font size fsize = 8 while (fsize < 60): # set style and size of font. HPDF_Page_SetFontAndSize(page, font, fsize) # set the position of the text. HPDF_Page_MoveTextPos (page, 0, -5 - fsize) # measure the number of characters which included in the page. buf= samp_text length = HPDF_Page_MeasureText (page, samp_text, HPDF_Page_GetWidth(page) - 120, HPDF_FALSE, NULL) # truncate the text. buf='%*s\0' %(int(length), buf) HPDF_Page_ShowText (page, buf) # print the description. HPDF_Page_MoveTextPos (page, 0, -10) HPDF_Page_SetFontAndSize(page, font, 8) buf="Fontsize=%.0f" %fsize HPDF_Page_ShowText (page, buf) fsize *= 1.5 # font color HPDF_Page_SetFontAndSize(page, font, 8) HPDF_Page_MoveTextPos (page, 0, -30) HPDF_Page_ShowText (page, "Font color") HPDF_Page_SetFontAndSize (page, font, 18) HPDF_Page_MoveTextPos (page, 0, -20) length = len (samp_text) for i in range(length): buf=[None ,None] r = i / float(length) g = 1 - (i / float(length)) buf[0] = samp_text[i] buf[1] = '\0' HPDF_Page_SetRGBFill (page, r, g, 0.0) HPDF_Page_ShowText (page, buf) HPDF_Page_MoveTextPos (page, 0, -25) for i in range(length): buf=[None ,None] r = i / float(length) b = 1 - (i / float(length)) buf[0] = samp_text[i] buf[1] = '\0' HPDF_Page_SetRGBFill (page, r, 0.0, b) HPDF_Page_ShowText (page, buf) HPDF_Page_MoveTextPos (page, 0, -25) for i in range(length): buf=[None ,None] b = i / float(length) g = 1 - (i / float(length)) buf[0] = samp_text[i] buf[1] = '\0' HPDF_Page_SetRGBFill (page, 0.0, g, b) HPDF_Page_ShowText (page, buf) HPDF_Page_EndText (page) ypos = 450 # # Font rendering mode # HPDF_Page_SetFontAndSize(page, font, 32) HPDF_Page_SetRGBFill (page, 0.5, 0.5, 0.0) HPDF_Page_SetLineWidth (page, 1.5) # PDF_FILL show_description (page, 60, ypos, "RenderingMode=PDF_FILL") HPDF_Page_SetTextRenderingMode (page, HPDF_FILL) HPDF_Page_BeginText (page) HPDF_Page_TextOut (page, 60, ypos, "ABCabc123") HPDF_Page_EndText (page) # PDF_STROKE show_description (page, 60, ypos - 50, "RenderingMode=PDF_STROKE") HPDF_Page_SetTextRenderingMode (page, HPDF_STROKE) HPDF_Page_BeginText (page) HPDF_Page_TextOut (page, 60, ypos - 50, "ABCabc123") HPDF_Page_EndText (page) # PDF_FILL_THEN_STROKE show_description (page, 60, ypos - 100, "RenderingMode=PDF_FILL_THEN_STROKE") HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_THEN_STROKE) HPDF_Page_BeginText (page) HPDF_Page_TextOut (page, 60, ypos - 100, "ABCabc123") HPDF_Page_EndText (page) # PDF_FILL_CLIPPING show_description (page, 60, ypos - 150, "RenderingMode=PDF_FILL_CLIPPING") HPDF_Page_GSave (page) HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_CLIPPING) HPDF_Page_BeginText (page) HPDF_Page_TextOut (page, 60, ypos - 150, "ABCabc123") HPDF_Page_EndText (page) show_stripe_pattern (page, 60, ypos - 150) HPDF_Page_GRestore (page) # PDF_STROKE_CLIPPING show_description (page, 60, ypos - 200, "RenderingMode=PDF_STROKE_CLIPPING") HPDF_Page_GSave (page) HPDF_Page_SetTextRenderingMode (page, HPDF_STROKE_CLIPPING) HPDF_Page_BeginText (page) HPDF_Page_TextOut (page, 60, ypos - 200, "ABCabc123") HPDF_Page_EndText (page) show_stripe_pattern (page, 60, ypos - 200) HPDF_Page_GRestore (page) # PDF_FILL_STROKE_CLIPPING show_description (page, 60, ypos - 250, "RenderingMode=PDF_FILL_STROKE_CLIPPING") HPDF_Page_GSave (page) HPDF_Page_SetTextRenderingMode (page, HPDF_FILL_STROKE_CLIPPING) HPDF_Page_BeginText (page) HPDF_Page_TextOut (page, 60, ypos - 250, "ABCabc123") HPDF_Page_EndText (page) show_stripe_pattern (page, 60, ypos - 250) HPDF_Page_GRestore (page) # Reset text attributes HPDF_Page_SetTextRenderingMode (page, HPDF_FILL) HPDF_Page_SetRGBFill (page, 0, 0, 0) HPDF_Page_SetFontAndSize(page, font, 30) # # Rotating text # angle1 = 30; # A rotation of 30 degrees. rad1 = angle1 / 180 * 3.141592; # Calculate the radian value. show_description (page, 320, ypos - 60, "Rotating text") HPDF_Page_BeginText (page) HPDF_Page_SetTextMatrix (page, cos(rad1), sin(rad1), -sin(rad1), cos(rad1), 330, ypos - 60) HPDF_Page_ShowText (page, "ABCabc123") HPDF_Page_EndText (page) # # Skewing text. # show_description (page, 320, ypos - 120, "Skewing text") HPDF_Page_BeginText (page) angle1 = 10 angle2 = 20 rad1 = angle1 / 180 * 3.141592 rad2 = angle2 / 180 * 3.141592 HPDF_Page_SetTextMatrix (page, 1, tan(rad1), tan(rad2), 1, 320, ypos - 120) HPDF_Page_ShowText (page, "ABCabc123") HPDF_Page_EndText (page) # # scaling text (X direction) # show_description (page, 320, ypos - 175, "Scaling text (X direction)") HPDF_Page_BeginText (page) HPDF_Page_SetTextMatrix (page, 1.5, 0, 0, 1, 320, ypos - 175) HPDF_Page_ShowText (page, "ABCabc12") HPDF_Page_EndText (page) # # scaling text (Y direction) # show_description (page, 320, ypos - 250, "Scaling text (Y direction)") HPDF_Page_BeginText (page) HPDF_Page_SetTextMatrix (page, 1, 0, 0, 2, 320, ypos - 250) HPDF_Page_ShowText (page, "ABCabc123") HPDF_Page_EndText (page) # # char spacing, word spacing # show_description (page, 60, 140, "char-spacing 0") show_description (page, 60, 100, "char-spacing 1.5") show_description (page, 60, 60, "char-spacing 1.5, word-spacing 2.5") HPDF_Page_SetFontAndSize (page, font, 20) HPDF_Page_SetRGBFill (page, 0.1, 0.3, 0.1) ## char-spacing 0 HPDF_Page_BeginText (page) HPDF_Page_TextOut (page, 60, 140, samp_text2) HPDF_Page_EndText (page) # char-spacing 1.5 HPDF_Page_SetCharSpace (page, 1.5) HPDF_Page_BeginText (page) HPDF_Page_TextOut (page, 60, 100, samp_text2) HPDF_Page_EndText (page) # char-spacing 1.5, word-spacing 3.5 HPDF_Page_SetWordSpace (page, 2.5) HPDF_Page_BeginText (page) HPDF_Page_TextOut (page, 60, 60, samp_text2) HPDF_Page_EndText (page) # save the document to a file HPDF_SaveToFile (pdf, fname) # clean up HPDF_Free (pdf) return 0 main()
Save File
Cancel