124 lines
3.1 KiB
C
124 lines
3.1 KiB
C
/*
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* Copyright 2010 Ole Loots <ole@monochrom.net>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "atari/plot/fontplot.h"
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const struct s_font_driver_table_entry font_driver_table[] =
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{
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#ifdef WITH_VDI_FONT_DRIVER
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{"vdi", ctor_font_plotter_vdi, 0},
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#endif
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#ifdef WITH_FREETYPE_FONT_DRIVER
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{"freetype", ctor_font_plotter_freetype, 0},
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#endif
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#ifdef WITH_INTERNAL_FONT_DRIVER
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{"internal", ctor_font_plotter_internal, 0},
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#endif
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{(char*)NULL, NULL, 0}
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};
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void dump_font_drivers(void)
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{
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int i = 0;
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while( font_driver_table[i].name != NULL ) {
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printf("%s -> flags: %d\n", font_driver_table[i].name,
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font_driver_table[i].flags);
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i++;
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}
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}
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/**
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* Create an new text plotter object
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*
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* Available: "vdi", "freetype", "internal"
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* \param vdihandle the vdi handle to act upon,
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* \param name selector ID (string) of the font plotter.
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* flags flags configration flags of the plotter,
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* available flags:
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* FONTPLOT_FLAG_MONOGLYPH - Enable 1 bit font plotting
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* \param error set to != 0 when errors occur
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* \return the new font plotter instance on success, or NULL on failure.
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*/
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FONT_PLOTTER new_font_plotter(int vdihandle, char * name, unsigned long flags,
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int * error)
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{
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int i=0;
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int res = 0-ERR_PLOTTER_NOT_AVAILABLE;
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FONT_PLOTTER fplotter = NULL;
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/* set the default error code: */
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*error = 0-ERR_PLOTTER_NOT_AVAILABLE;
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/* Find the selector string in the font plotter table, */
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/* and bail out when the font plotter is not available: */
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for (i = 0; font_driver_table[i].name != NULL; i++) {
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/* found selector in driver table? */
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if (strcmp(name, font_driver_table[i].name) == 0) {
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/* allocate the font plotter instance: */
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fplotter = (FONT_PLOTTER)malloc(sizeof(struct s_font_plotter));
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if (fplotter == NULL) {
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*error = 0-ERR_NO_MEM;
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return(NULL);
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}
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/* Initialize the font plotter with the requested settings: */
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memset( fplotter, 0, sizeof(FONT_PLOTTER));
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fplotter->vdi_handle = vdihandle;
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fplotter->name = name;
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fplotter->flags = 0;
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fplotter->flags |= flags;
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/* Execute the constructor: */
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assert(font_driver_table[i].ctor);
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res = font_driver_table[i].ctor(fplotter);
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/* success? */
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if (res < 0) {
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/* NO success! */
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free(fplotter);
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*error = res;
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return(NULL);
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}
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*error = 0;
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break;
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}
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}
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return(fplotter);
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}
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/*
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Free an font plotter
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*/
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int delete_font_plotter(FONT_PLOTTER p)
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{
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if (p) {
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p->dtor(p);
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free(p);
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p = NULL;
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}
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else
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return(-1);
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return(0);
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}
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