From 5c97ba8aa76235db3e4f7bf833ef1d73744affaf Mon Sep 17 00:00:00 2001 From: kramm Date: Fri, 4 May 2007 13:19:29 +0000 Subject: [PATCH] text device --- lib/devices/text.c | 219 ++++++++++++++++++++++++++++++++++++++++++++++++++++ lib/devices/text.h | 37 +++++++++ 2 files changed, 256 insertions(+) create mode 100644 lib/devices/text.c create mode 100644 lib/devices/text.h diff --git a/lib/devices/text.c b/lib/devices/text.c new file mode 100644 index 0000000..652b20a --- /dev/null +++ b/lib/devices/text.c @@ -0,0 +1,219 @@ +/* text.c + + Part of the swftools package. + + Copyright (c) 2006 Matthias Kramm + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#include +#include +#include +#include +#include +#include "../types.h" +#include "../mem.h" +#include "../gfxdevice.h" +#include "../gfxtools.h" +#include "../utf8.h" + +typedef struct _textpage { + char*text; + int textsize; + int textpos; + struct _textpage*next; +} textpage_t; + +typedef struct _internal { + textpage_t*first_page; + textpage_t*current_page; +} internal_t; + +int text_setparameter(gfxdevice_t*dev, const char*key, const char*value) +{ + internal_t*i = (internal_t*)dev->internal; +} +void text_startpage(gfxdevice_t*dev, int width, int height) +{ + internal_t*i = (internal_t*)dev->internal; + if(i->first_page) { + i->first_page = i->current_page = (textpage_t*)malloc(sizeof(textpage_t)); + } else { + i->current_page->next = (textpage_t*)malloc(sizeof(textpage_t)); + i->current_page = i->current_page->next; + } + i->current_page->textsize = 4096; + i->current_page->text = malloc(i->current_page->textsize); +} +void text_startclip(gfxdevice_t*dev, gfxline_t*line) +{ + internal_t*i = (internal_t*)dev->internal; +} +void text_endclip(gfxdevice_t*dev) +{ + internal_t*i = (internal_t*)dev->internal; +} +void text_stroke(gfxdevice_t*dev, gfxline_t*line, gfxcoord_t width, gfxcolor_t*color, gfx_capType cap_style, gfx_joinType joint_style, gfxcoord_t miterLimit) +{ + internal_t*i = (internal_t*)dev->internal; +} +void text_fill(gfxdevice_t*dev, gfxline_t*line, gfxcolor_t*color) +{ + internal_t*i = (internal_t*)dev->internal; +} +void text_fillbitmap(gfxdevice_t*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform) +{ + internal_t*i = (internal_t*)dev->internal; +} +void text_fillgradient(gfxdevice_t*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix) +{ + internal_t*i = (internal_t*)dev->internal; +} +void text_addfont(gfxdevice_t*dev, gfxfont_t*font) {} +void text_drawchar(gfxdevice_t*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix) +{ + internal_t*i = (internal_t*)dev->internal; + + if(i->current_page->textpos + 10 > i->current_page->textsize) { + i->current_page->textsize += 4096; + i->current_page->text = realloc(i->current_page->text, i->current_page->textsize); + } + + gfxglyph_t*glyph = &font->glyphs[glyphnr]; + writeUTF8(glyph->unicode, &i->current_page->text[i->current_page->textpos]); + i->current_page->textpos += strlen(&i->current_page->text[i->current_page->textpos]); + return; +} + +void text_drawlink(gfxdevice_t*dev, gfxline_t*line, char*action) +{ + internal_t*i = (internal_t*)dev->internal; +} + +void text_endpage(gfxdevice_t*dev) +{ + internal_t*i = (internal_t*)dev->internal; +} + +void text_result_write(gfxresult_t*r, int filedesc) +{ + textpage_t*i= (textpage_t*)r->internal; +} +int text_result_save(gfxresult_t*r, char*filename) +{ + textpage_t*i= (textpage_t*)r->internal; + if(!i) { + return 0; // no pages drawn + } + FILE*fi = fopen(filename, "wb"); + if(!fi) + return 0; + while(i) { + fwrite(i->text, i->textpos, 1, fi); + i = i->next; + } + fclose(fi); + return 1; +} +void*text_result_get(gfxresult_t*r, char*name) +{ + textpage_t*i= (textpage_t*)r->internal; + if(!strcmp(name,"text")) { + textpage_t*j = i; + int len = 0; + while(j) { + len += i->textpos; + j = j->next; + } + char*text = malloc(len); + int pos = 0; + j = i; + while(j) { + memcpy(&text[pos], i->text, i->textpos); + pos += i->textpos; + j = j->next; + } + text[pos] = 0; + return text; + } else if(!strncmp(name,"page",4)) { + int pagenr = atoi(&name[4]); + if(pagenr<0) + pagenr=0; + while(pagenr>0) { + i = i->next; + if(!i) + return 0; + } + i->text[i->textpos] = 0; + return strdup(i->text); + } + return 0; +} +void text_result_destroy(gfxresult_t*r) +{ + textpage_t*i= (textpage_t*)r->internal; + r->internal = 0; + while(i) { + textpage_t*next = i->next; + free(i->text);i->text = 0; + free(i); + i = next; + } + free(r); +} + +gfxresult_t* text_finish(struct _gfxdevice*dev) +{ + internal_t*i = (internal_t*)dev->internal; + + gfxresult_t* res = (gfxresult_t*)rfx_calloc(sizeof(gfxresult_t)); + + res->internal = i->first_page;i->first_page = 0;i->current_page=0; + res->write = text_result_write; + res->save = text_result_save; + res->get = text_result_get; + res->destroy = text_result_destroy; + + free(dev->internal); dev->internal = 0; i = 0; + + return res; +} + + + +void gfxdevice_text_init(gfxdevice_t*dev, gfxdevice_t*out) +{ + internal_t*i = (internal_t*)rfx_calloc(sizeof(internal_t)); + memset(dev, 0, sizeof(gfxdevice_t)); + + dev->name = "text"; + + dev->internal = i; + + dev->setparameter = text_setparameter; + dev->startpage = text_startpage; + dev->startclip = text_startclip; + dev->endclip = text_endclip; + dev->stroke = text_stroke; + dev->fill = text_fill; + dev->fillbitmap = text_fillbitmap; + dev->fillgradient = text_fillgradient; + dev->addfont = text_addfont; + dev->drawchar = text_drawchar; + dev->drawlink = text_drawlink; + dev->endpage = text_endpage; + dev->finish = text_finish; +} + diff --git a/lib/devices/text.h b/lib/devices/text.h new file mode 100644 index 0000000..1f52093 --- /dev/null +++ b/lib/devices/text.h @@ -0,0 +1,37 @@ +/* text.h + Header file for dummy.c + + Part of the swftools package. + + Copyright (c) 2001,2002,2003 Matthias Kramm + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#ifndef __gfxdevice_text_h__ +#define __gfxdevice_text_h__ + +#include "../gfxdevice.h" + +#ifdef __cplusplus +extern "C" { +#endif + +void gfxdevice_text_init(gfxdevice_t*dev); + +#ifdef __cplusplus +} +#endif + +#endif //__gfxdevice_text_h__ -- 1.7.10.4