/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* This file is part of the GtkHTML library. Copyright (C) 1997 Martin Jones (mjones@kde.org) Copyright (C) 1997 Torben Weis (weis@kde.org) Copyright (C) 1999, 2000 Helix Code, Inc. 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; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _HTMLPAINTER_H_ #define _HTMLPAINTER_H_ #include #include #include "gtkhtml-enums.h" #include "htmltypes.h" #include "htmlfontmanager.h" #define HTML_TYPE_PAINTER (html_painter_get_type ()) #define HTML_PAINTER(obj) (GTK_CHECK_CAST ((obj), HTML_TYPE_PAINTER, HTMLPainter)) #define HTML_PAINTER_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), HTML_TYPE_PAINTER, HTMLPainterClass)) #define HTML_IS_PAINTER(obj) (GTK_CHECK_TYPE ((obj), HTML_TYPE_PAINTER)) #define HTML_IS_PAINTER_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), HTML_TYPE_PAINTER)) struct _HTMLPainter { GtkObject base; HTMLFontManager font_manager; HTMLColorSet *color_set; HTMLFontFace *font_face; GtkHTMLFontStyle font_style; gboolean focus; }; struct _HTMLPainterClass { GtkObjectClass base; void (* begin) (HTMLPainter *painter, int x1, int y1, int x2, int y2); void (* end) (HTMLPainter *painter); HTMLFont * (* alloc_font) (HTMLPainter *p, gchar *face_name, gdouble size, gboolean points, GtkHTMLFontStyle style); void (* ref_font) (HTMLPainter *p, HTMLFont *font); void (* unref_font) (HTMLPainter *p, HTMLFont *font); void (* alloc_color) (HTMLPainter *painter, GdkColor *color); void (* free_color) (HTMLPainter *painter, GdkColor *color); guint (* calc_ascent) (HTMLPainter *p, GtkHTMLFontStyle f, HTMLFontFace *face); guint (* calc_descent) (HTMLPainter *p, GtkHTMLFontStyle f, HTMLFontFace *face); guint (* calc_text_width) (HTMLPainter *p, const gchar *text, guint len, GtkHTMLFontStyle font_style, HTMLFontFace *face); void (* set_pen) (HTMLPainter *painter, const GdkColor *color); const GdkColor * (* get_black) (const HTMLPainter *painter); void (* draw_line) (HTMLPainter *painter, gint x1, gint y1, gint x2, gint y2); void (* draw_rect) (HTMLPainter *painter, gint x, gint y, gint width, gint height); void (* draw_text) (HTMLPainter *painter, gint x, gint y, const gchar *text, gint len); gint (* draw_spell_error) (HTMLPainter *painter, gint x, gint y, const gchar *text, gint len); void (* fill_rect) (HTMLPainter *painter, gint x, gint y, gint width, gint height); void (* draw_pixmap) (HTMLPainter *painter, GdkPixbuf *pixbuf, gint x, gint y, gint scale_width, gint scale_height, const GdkColor *color); void (* draw_ellipse) (HTMLPainter *painter, gint x, gint y, gint width, gint height); void (* clear) (HTMLPainter *painter); void (* set_background_color) (HTMLPainter *painter, const GdkColor *color); void (* draw_shade_line) (HTMLPainter *p, gint x, gint y, gint width); void (* draw_panel) (HTMLPainter *painter, GdkColor *bg, gint x, gint y, gint width, gint height, GtkHTMLEtchStyle inset, gint bordersize); void (* set_clip_rectangle) (HTMLPainter *painter, gint x, gint y, gint width, gint height); void (* draw_background) (HTMLPainter *painter, GdkColor *color, GdkPixbuf *pixbuf, gint x, gint y, gint width, gint height, gint tile_x, gint tile_y); guint (* get_pixel_size) (HTMLPainter *painter); void (* draw_embedded) (HTMLPainter *painter, HTMLEmbedded *element, gint x, gint y); guint (*get_page_width) (HTMLPainter *painter, HTMLEngine *e); guint (*get_page_height) (HTMLPainter *painter, HTMLEngine *e); }; /* Creation. */ GtkType html_painter_get_type (void); HTMLPainter *html_painter_new (void); /* Functions to drive the painting process. */ void html_painter_begin (HTMLPainter *painter, int x1, int y1, int x2, int y2); void html_painter_end (HTMLPainter *painter); /* Color control. */ void html_painter_alloc_color (HTMLPainter *painter, GdkColor *color); void html_painter_free_color (HTMLPainter *painter, GdkColor *color); /* Color set handling. */ void html_painter_set_color_set (HTMLPainter *painter, HTMLColorSet *color_set); const GdkColor *html_painter_get_default_background_color (HTMLPainter *painter); const GdkColor *html_painter_get_default_foreground_color (HTMLPainter *painter); const GdkColor *html_painter_get_default_link_color (HTMLPainter *painter); const GdkColor *html_painter_get_default_highlight_color (HTMLPainter *painter); const GdkColor *html_painter_get_default_highlight_foreground_color (HTMLPainter *painter); const GdkColor *html_painter_get_black (const HTMLPainter *painter); /* Font handling. */ HTMLFontFace *html_painter_find_font_face (HTMLPainter *p, const gchar *families); void html_painter_set_font_style (HTMLPainter *p, GtkHTMLFontStyle f); GtkHTMLFontStyle html_painter_get_font_style (HTMLPainter *p); void html_painter_set_font_face (HTMLPainter *p, HTMLFontFace *f); gpointer html_painter_get_font (HTMLPainter *painter, HTMLFontFace *face, GtkHTMLFontStyle style); guint html_painter_calc_ascent (HTMLPainter *p, GtkHTMLFontStyle f, HTMLFontFace *face); guint html_painter_calc_descent (HTMLPainter *p, GtkHTMLFontStyle f, HTMLFontFace *face); guint html_painter_calc_text_width (HTMLPainter *p, const gchar *text, guint len, gint *line_offset, GtkHTMLFontStyle font_style, HTMLFontFace *face); /* The actual paint operations. */ void html_painter_set_pen (HTMLPainter *painter, const GdkColor *color); void html_painter_draw_line (HTMLPainter *painter, gint x1, gint y1, gint x2, gint y2); void html_painter_draw_rect (HTMLPainter *painter, gint x, gint y, gint width, gint height); gint html_painter_draw_text (HTMLPainter *painter, gint x, gint y, const gchar *text, gint len, gint line_offset); void html_painter_fill_rect (HTMLPainter *painter, gint x, gint y, gint width, gint height); void html_painter_draw_pixmap (HTMLPainter *painter, GdkPixbuf *pixbuf, gint x, gint y, gint scale_width, gint scale_height, const GdkColor *color); void html_painter_draw_ellipse (HTMLPainter *painter, gint x, gint y, gint width, gint height); void html_painter_clear (HTMLPainter *painter); void html_painter_set_background_color (HTMLPainter *painter, const GdkColor *color); void html_painter_draw_shade_line (HTMLPainter *p, gint x, gint y, gint width); void html_painter_draw_panel (HTMLPainter *painter, GdkColor *bg, gint x, gint y, gint width, gint height, GtkHTMLEtchStyle inset, gint bordersize); /* Passing 0 for width/height means remove clip rectangle */ void html_painter_set_clip_rectangle (HTMLPainter *painter, gint x, gint y, gint width, gint height); /* Passing 0 for pix_width / pix_height makes it use the image width */ void html_painter_draw_background (HTMLPainter *painter, GdkColor *color, GdkPixbuf *pixbuf, gint x, gint y, gint width, gint height, gint tile_x, gint tile_y); guint html_painter_get_pixel_size (HTMLPainter *painter); gint html_painter_draw_spell_error (HTMLPainter *painter, gint x, gint y, const gchar *text, gint len); HTMLFont *html_painter_alloc_font (HTMLPainter *painter, gchar *face_name, gdouble size, gboolean points, GtkHTMLFontStyle style); void html_painter_ref_font (HTMLPainter *painter, HTMLFont *font); void html_painter_unref_font (HTMLPainter *painter, HTMLFont *font); guint html_painter_get_space_width (HTMLPainter *painter, GtkHTMLFontStyle font_style, HTMLFontFace *face); void html_painter_draw_embedded (HTMLPainter *painter, HTMLEmbedded *element, gint x, gint y); guint html_painter_get_page_width (HTMLPainter *painter, HTMLEngine *e); guint html_painter_get_page_height (HTMLPainter *painter, HTMLEngine *e); void html_painter_set_focus (HTMLPainter *painter, gboolean focus); #endif /* _HTMLPAINTER_H_ */