/* Dia -- an diagram creation/manipulation program * Copyright (C) 1998 Alexander Larsson * * A string pre-renderer. Piggybacks on a normal renderer, and turns * DrawString calls into PreDrawString calls ; all other calls are ignored. * Copyright (C) 2001 Cyrille Chepelov * * 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 "string_prerenderer.h" #include "diagramdata.h" static void begin_render(StringPrerenderer *renderer, DiagramData *data); static void end_render(StringPrerenderer *renderer); static void set_linewidth(StringPrerenderer *renderer, real linewidth); static void set_linecaps(StringPrerenderer *renderer, LineCaps mode); static void set_linejoin(StringPrerenderer *renderer, LineJoin mode); static void set_linestyle(StringPrerenderer *renderer, LineStyle mode); static void set_dashlength(StringPrerenderer *renderer, real length); static void set_fillstyle(StringPrerenderer *renderer, FillStyle mode); static void set_font(StringPrerenderer *renderer, DiaFont *font, real height); static void draw_line(StringPrerenderer *renderer, Point *start, Point *end, Color *line_color); static void draw_polyline(StringPrerenderer *renderer, Point *points, int num_points, Color *line_color); static void draw_polygon(StringPrerenderer *renderer, Point *points, int num_points, Color *line_color); static void fill_polygon(StringPrerenderer *renderer, Point *points, int num_points, Color *line_color); static void draw_rect(StringPrerenderer *renderer, Point *ul_corner, Point *lr_corner, Color *color); static void fill_rect(StringPrerenderer *renderer, Point *ul_corner, Point *lr_corner, Color *color); static void draw_arc(StringPrerenderer *renderer, Point *center, real width, real height, real angle1, real angle2, Color *color); static void fill_arc(StringPrerenderer *renderer, Point *center, real width, real height, real angle1, real angle2, Color *color); static void draw_ellipse(StringPrerenderer *renderer, Point *center, real width, real height, Color *color); static void fill_ellipse(StringPrerenderer *renderer, Point *center, real width, real height, Color *color); static void draw_bezier(StringPrerenderer *renderer, BezPoint *points, int numpoints, Color *color); static void fill_bezier(StringPrerenderer *renderer, BezPoint *points, int numpoints, Color *color); static void draw_string(StringPrerenderer *renderer, const utfchar *text, Point *pos, Alignment alignment, Color *color); static void draw_image(StringPrerenderer *renderer, Point *point, real width, real height, DiaImage image); static RenderOps PrerendererOps = { (BeginRenderFunc) begin_render, (EndRenderFunc) end_render, (SetLineWidthFunc) set_linewidth, (SetLineCapsFunc) set_linecaps, (SetLineJoinFunc) set_linejoin, (SetLineStyleFunc) set_linestyle, (SetDashLengthFunc) set_dashlength, (SetFillStyleFunc) set_fillstyle, (SetFontFunc) set_font, (DrawLineFunc) draw_line, (DrawPolyLineFunc) draw_polyline, (DrawPolygonFunc) draw_polygon, (FillPolygonFunc) fill_polygon, (DrawRectangleFunc) draw_rect, (FillRectangleFunc) fill_rect, (DrawArcFunc) draw_arc, (FillArcFunc) fill_arc, (DrawEllipseFunc) draw_ellipse, (FillEllipseFunc) fill_ellipse, (DrawBezierFunc) draw_bezier, (FillBezierFunc) fill_bezier, (DrawStringFunc) draw_string, (DrawImageFunc) draw_image, (PreDrawStringFunc) NULL, /* do not change this -- CC */ }; StringPrerenderer * create_string_prerenderer(Renderer *renderer) { static StringPrerenderer *prerenderer; if (!prerenderer) { prerenderer = g_new0(StringPrerenderer,1); prerenderer->renderer.ops = &PrerendererOps; prerenderer->renderer.is_interactive = 0; prerenderer->renderer.interactive_ops = NULL; } prerenderer->org_renderer = renderer; return prerenderer; } void destroy_string_prerenderer(const StringPrerenderer *prerenderer) { } static void draw_string(StringPrerenderer *prerenderer, const utfchar *text, Point *pos, Alignment alignment, Color *color) { Renderer *org_renderer = prerenderer->org_renderer; org_renderer->ops->predraw_string(org_renderer,text); } /* The rest of this file is just empty stubs. */ static void begin_render(StringPrerenderer *renderer, DiagramData *data) {} static void end_render(StringPrerenderer *renderer) {} static void set_linewidth(StringPrerenderer *renderer, real linewidth) {} static void set_linecaps(StringPrerenderer *renderer, LineCaps mode) {} static void set_linejoin(StringPrerenderer *renderer, LineJoin mode) {} static void set_linestyle(StringPrerenderer *renderer, LineStyle mode) {} static void set_dashlength(StringPrerenderer *renderer, real length) {} static void set_fillstyle(StringPrerenderer *renderer, FillStyle mode) {} static void set_font(StringPrerenderer *renderer, DiaFont *font, real height) {} static void draw_line(StringPrerenderer *renderer, Point *start, Point *end, Color *line_color) {} static void draw_polyline(StringPrerenderer *renderer, Point *points, int num_points, Color *line_color) {} static void draw_polygon(StringPrerenderer *renderer, Point *points, int num_points, Color *line_color) {} static void fill_polygon(StringPrerenderer *renderer, Point *points, int num_points, Color *line_color) {} static void draw_rect(StringPrerenderer *renderer, Point *ul_corner, Point *lr_corner, Color *color) {} static void fill_rect(StringPrerenderer *renderer, Point *ul_corner, Point *lr_corner, Color *color) {} static void draw_arc(StringPrerenderer *renderer, Point *center, real width, real height, real angle1, real angle2, Color *color) {} static void fill_arc(StringPrerenderer *renderer, Point *center, real width, real height, real angle1, real angle2, Color *color) {} static void draw_ellipse(StringPrerenderer *renderer, Point *center, real width, real height, Color *color) {} static void fill_ellipse(StringPrerenderer *renderer, Point *center, real width, real height, Color *color) {} static void draw_bezier(StringPrerenderer *renderer, BezPoint *points, int numpoints, Color *color) {} static void fill_bezier(StringPrerenderer *renderer, BezPoint *points, int numpoints, Color *color) {} static void draw_image(StringPrerenderer *renderer, Point *point, real width, real height, DiaImage image) {}