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author | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-02-24 17:43:19 +0000 |
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committer | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-02-24 17:43:19 +0000 |
commit | 0292059f4a16434600564cfa3f0ad2309a508a54 (patch) | |
tree | d95953cd53011917c4df679b96aedca39401b54f /kernel/kls_wmf/wmf2mem.cpp | |
download | libksquirrel-0292059f4a16434600564cfa3f0ad2309a508a54.tar.gz libksquirrel-0292059f4a16434600564cfa3f0ad2309a508a54.zip |
Added libksquirrel for KDE3
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/libraries/libksquirrel@1095624 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kernel/kls_wmf/wmf2mem.cpp')
-rw-r--r-- | kernel/kls_wmf/wmf2mem.cpp | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/kernel/kls_wmf/wmf2mem.cpp b/kernel/kls_wmf/wmf2mem.cpp new file mode 100644 index 0000000..ed644e1 --- /dev/null +++ b/kernel/kls_wmf/wmf2mem.cpp @@ -0,0 +1,361 @@ +/* libwmf (convert/wmf2gd.c): library for wmf conversion + Copyright (C) 2000 - various; see CREDITS, ChangeLog, and sources + + The libwmf Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The libwmf Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the libwmf Library; see the file COPYING. If not, + write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + + +#include <cstdio> +#include <cstdlib> +#include <cstring> +#include <cctype> +#include <cmath> +#include <stdio.h> +#include <string.h> + +#include "ksquirrel-libs/fmt_types.h" +#include "ksquirrel-libs/fmt_defs.h" + +#include <libwmf/fund.h> +#include <libwmf/types.h> +#include <libwmf/api.h> +#include <libwmf/ipa.h> +#include <libwmf/font.h> +#include <libwmf/color.h> +#include <libwmf/macro.h> + +#include <libwmf/gd.h> + +typedef struct +{ int argc; + char** argv; + + char* wmf_filename; + char* gd_filename; + + wmf_gd_t options; + + unsigned int max_width; + unsigned int max_height; + + unsigned long max_flags; + +} PlotData; + +#define WMF2GD_MAXPECT (1 << 0) +#define WMF2GD_MAXSIZE (1 << 1) + +int wmf2gd_draw (PlotData*, unsigned char **buf, int *w, int *h); + +void wmf2gd_init (PlotData*,int,char**); +int wmf2gd_args (PlotData*); +int wmf2gd_file (PlotData*, unsigned char **buf, int *w, int *h); + +int call(int argc,char** argv, unsigned char **buf, int *w, int *h); + +int explicit_wmf_error(wmf_error_t); + +int wmf2gd_draw (PlotData* pdata, unsigned char **buf, int *www, int *hhh) +{ + int status = 0; + + float wmf_width; + float wmf_height; + + float ratio_wmf; + float ratio_bounds; + + unsigned int disp_width = 0; + unsigned int disp_height = 0; + + unsigned long flags; + unsigned long max_flags; + + wmf_error_t err; + + wmf_gd_t* ddata = 0; + + wmfAPI* API = 0; + + wmfAPI_Options api_options; + + flags = 0; + + flags |= WMF_OPT_FUNCTION; + api_options.function = wmf_gd_function; + + flags |= WMF_OPT_ARGS; + api_options.argc = pdata->argc; + api_options.argv = pdata->argv; +#ifndef DEBUG + flags |= WMF_OPT_IGNORE_NONFATAL; +#endif + err = wmf_api_create (&API,flags,&api_options); + status = explicit_wmf_error (err); + + if (status) + { if (API) wmf_api_destroy (API); + return (status); + } + + ddata = WMF_GD_GetData (API); + + err = wmf_file_open(API, pdata->wmf_filename); + status = explicit_wmf_error (err); + + if (status) + { + wmf_api_destroy (API); + return (status); + } + + err = wmf_scan (API, 0, &(pdata->options.bbox)); + status = explicit_wmf_error (err); + + if (status) + { + wmf_api_destroy (API); + return (status); + } + +/* Okay, got this far, everything seems cool. + */ + ddata->type = pdata->options.type; + + ddata->flags |= WMF_GD_OUTPUT_MEMORY; + ddata->file = pdata->options.file; + + ddata->bbox = pdata->options.bbox; + + wmf_display_size (API, &disp_width, &disp_height, 72, 72); + + wmf_width = (float) disp_width; + wmf_height = (float) disp_height; + + if ((wmf_width <= 0) || (wmf_height <= 0)) + { + status = 1; + wmf_api_destroy (API); + return (status); + } + + max_flags = pdata->max_flags; + + if ((wmf_width > (float) pdata->max_width ) || (wmf_height > (float) pdata->max_height)) + if (max_flags == 0) + max_flags = WMF2GD_MAXPECT; + + if (max_flags == WMF2GD_MAXPECT) /* scale the image */ + { ratio_wmf = wmf_height / wmf_width; + ratio_bounds = (float) pdata->max_height / (float) pdata->max_width; + + if (ratio_wmf > ratio_bounds) + { ddata->height = pdata->max_height; + ddata->width = (unsigned int) ((float) ddata->height / ratio_wmf); + } + else + { ddata->width = pdata->max_width; + ddata->height = (unsigned int) ((float) ddata->width * ratio_wmf); + } + } + else if (max_flags == WMF2GD_MAXSIZE) /* bizarre option, really */ + { ddata->width = pdata->max_width; + ddata->height = pdata->max_height; + } + else + { ddata->width = (unsigned int) ceil ((double) wmf_width ); + ddata->height = (unsigned int) ceil ((double) wmf_height); + } + + if (status == 0) + { + err = wmf_play(API, 0, &(pdata->options.bbox)); + status = explicit_wmf_error (err); + } + + wmf_api_destroy(API); + + int *p = wmf_gd_image_pixels(ddata->gd_image); + unsigned int w, h; + + unsigned int pixel; + unsigned char r, g, b, a; + + *buf = new u8 [ddata->height * ddata->width * sizeof(RGBA)]; + + if(!*buf) + return 1; + + unsigned char *pss = *buf; + + for (h = 0; h < ddata->height; h++) + for (w = 0; w < ddata->width; w++) + { + pixel = (unsigned int) (*p++); + + b = (unsigned char) (pixel & 0xff); + pixel >>= 8; + g = (unsigned char) (pixel & 0xff); + pixel >>= 8; + r = (unsigned char) (pixel & 0xff); + pixel >>= 7; + a = (unsigned char) (pixel & 0xfe); + a ^= 0xff; + + *pss++ = r; + *pss++ = g; + *pss++ = b; + *pss++ = a; + } + + *www = ddata->width; + *hhh = ddata->height; + + free(ddata->gd_image); + + if(ddata->memory) + free(ddata->memory); + + return status; +} + +void wmf2gd_init(PlotData *pdata, int argc, char **argv) +{ + pdata->argc = argc; + pdata->argv = argv; + + pdata->wmf_filename = 0; + pdata->gd_filename = 0; + + pdata->options.type = wmf_gd_png; + + pdata->options.file = 0; + + pdata->options.width = 0; + pdata->options.height = 0; + + pdata->options.flags = 0; + + pdata->max_width = 768; + pdata->max_height = 512; + + pdata->max_flags = 0; +} + +int wmf2gd_args (PlotData* pdata) +{ + int status = 0; + int arg = 0; + + int argc = pdata->argc; + char** argv = pdata->argv; + + while ((++arg) < argc) + { + if (strcmp (argv[arg],"-o") == 0) + { if ((++arg) < argc) + { pdata->gd_filename = argv[arg]; + continue; + } + fprintf (stderr,"usage: `wmf2gd -o <file.gd> <file.wmf>'.\n"); + fprintf (stderr,"Try `%s --help' for more information.\n",argv[0]); + status = arg; + break; + } + + if (argv[arg][0] != '-') + { pdata->wmf_filename = argv[arg]; + continue; + } + + fprintf (stderr,"option `%s' not recognized.\n",argv[arg]); + fprintf (stderr,"Try `%s --help' for more information.\n",argv[0]); + status = arg; + + break; + } + + if (status == 0) + { if(pdata->wmf_filename == 0) + { + fprintf (stderr,"No input file specified!\n"); + fprintf (stderr,"Try `%s --help' for more information.\n",argv[0]); + status = argc; + } + } + + pdata->options.type = wmf_gd_image; + + return (status); +} + +int wmf2gd_file(PlotData* pdata, unsigned char **buf, int *w, int *h) +{ + int status = 0; + + pdata->options.file = stdout; + + status = wmf2gd_draw(pdata, buf, w, h); + + if(pdata->options.file != stdout) + fclose(pdata->options.file); + + return status; +} + +int call(int argc, char **argv, unsigned char **buf, int *w, int *h) +{ + int status = 0; + + PlotData PData; + + wmf2gd_init(&PData, argc, argv); + + status = wmf2gd_args(&PData); + + if(status) + return status; + + status = wmf2gd_file(&PData, buf, w, h); + + return status; +} + +int explicit_wmf_error (wmf_error_t err) +{ + int status = 0; + + switch (err) + { + case wmf_E_None: + status = 0; + break; + + case wmf_E_InsMem: + case wmf_E_BadFile: + case wmf_E_BadFormat: + case wmf_E_EOF: + case wmf_E_DeviceError: + case wmf_E_Glitch: + case wmf_E_Assert: + status = 1; + break; + + default: + status = 1; + } + + return status; +} |