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Diffstat (limited to 'examples/viewer-pangoft2.c')
| -rw-r--r-- | examples/viewer-pangoft2.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/examples/viewer-pangoft2.c b/examples/viewer-pangoft2.c deleted file mode 100644 index bf73fb50..00000000 --- a/examples/viewer-pangoft2.c +++ /dev/null @@ -1,162 +0,0 @@ -/* viewer-pangoft2.c: PangoFT2 viewer backend. - * - * Copyright (C) 1999,2004,2005 Red Hat, Inc. - * Copyright (C) 2001 Sun Microsystems - * - * This 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. - * - * This 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 this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#include <config.h> -#include <errno.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -#include "renderdemo.h" -#include "viewer.h" - -#include <pango/pangoft2.h> - -static void -substitute_func (FcPattern *pattern, - gpointer data) -{ - if (opt_hinting != HINT_DEFAULT) - { - FcPatternDel (pattern, FC_HINTING); - FcPatternAddBool (pattern, FC_HINTING, opt_hinting != HINT_NONE); - - FcPatternDel (pattern, FC_AUTOHINT); - FcPatternAddBool (pattern, FC_AUTOHINT, opt_hinting == HINT_AUTO); - } -} - -static gpointer -pangoft2_view_create (const PangoViewer *klass) -{ - PangoFontMap *fontmap; - fontmap = pango_ft2_font_map_new (); - - pango_ft2_font_map_set_resolution (PANGO_FT2_FONT_MAP (fontmap), opt_dpi, opt_dpi); - pango_ft2_font_map_set_default_substitute (PANGO_FT2_FONT_MAP (fontmap), substitute_func, NULL, NULL); - - return fontmap; -} - -static void -pangoft2_view_destroy (gpointer instance) -{ - g_object_unref (instance); -} - -static PangoContext * -pangoft2_view_get_context (gpointer instance) -{ - return pango_ft2_font_map_create_context (PANGO_FT2_FONT_MAP (instance)); -} - -static gpointer -pangoft2_view_create_surface (gpointer instance, - int width, - int height) -{ - FT_Bitmap *bitmap; - - bitmap = g_slice_new (FT_Bitmap); - bitmap->width = width; - bitmap->pitch = (bitmap->width + 3) & ~3; - bitmap->rows = height; - bitmap->buffer = g_malloc (bitmap->pitch * bitmap->rows); - bitmap->num_grays = 256; - bitmap->pixel_mode = ft_pixel_mode_grays; - memset (bitmap->buffer, 0x00, bitmap->pitch * bitmap->rows); - - return bitmap; -} - -static void -pangoft2_view_destroy_surface (gpointer instance, - gpointer surface) -{ - FT_Bitmap *bitmap = (FT_Bitmap *) surface; - - g_free (bitmap->buffer); - g_slice_free (FT_Bitmap, bitmap); -} - -static void -render_callback (PangoLayout *layout, - int x, - int y, - gpointer context, - gpointer state) -{ - pango_ft2_render_layout ((FT_Bitmap *)context, - layout, - x, y); -} - -static void -pangoft2_view_render (gpointer instance, - gpointer surface, - PangoContext *context, - int width, - int height, - gpointer state) -{ - int pix_idx; - FT_Bitmap *bitmap = (FT_Bitmap *) surface; - - do_output (context, render_callback, NULL, surface, state, NULL, NULL); - - for (pix_idx=0; pix_idx<bitmap->pitch * bitmap->rows; pix_idx++) - bitmap->buffer[pix_idx] = 255 - bitmap->buffer[pix_idx]; -} - -static void -pangoft2_view_write (gpointer instance, - gpointer surface, - FILE *stream, - int width, - int height) -{ - int row; - FT_Bitmap *bitmap = (FT_Bitmap *) surface; - - /* Write it as pgm to output */ - fprintf(stream, - "P5\n" - "%d %d\n" - "255\n", width, height); - for (row = 0; row < height; row++) - fwrite(bitmap->buffer + row * bitmap->pitch, 1, width, stream); -} - -const PangoViewer pangoft2_viewer = { - "PangoFT2", - "ft2", - ".pgm", - pangoft2_view_create, - pangoft2_view_destroy, - pangoft2_view_get_context, - pangoft2_view_create_surface, - pangoft2_view_destroy_surface, - pangoft2_view_render, - pangoft2_view_write, - NULL, - NULL, - NULL -}; |