/* * This file is part of NetSurf, http://netsurf.sourceforge.net/ * Licensed under the GNU General Public License, * http://www.opensource.org/licenses/gpl-license * Copyright 2004 John M Bell * Copyright 2004 John Tytgat * Copyright 2005 James Bursa */ /** \file * Export a content as a DrawFile (implementation). */ #include #include #include #include #include #include "netsurf/content/content.h" #include "netsurf/desktop/plotters.h" #include "netsurf/riscos/bitmap.h" #include "netsurf/riscos/gui.h" #include "netsurf/riscos/save_draw.h" #include "netsurf/utils/log.h" #include "netsurf/utils/utils.h" static bool ro_save_draw_clg(colour c); static bool ro_save_draw_rectangle(int x0, int y0, int width, int height, int line_width, colour c, bool dotted, bool dashed); static bool ro_save_draw_line(int x0, int y0, int x1, int y1, int width, colour c, bool dotted, bool dashed); static bool ro_save_draw_polygon(int *p, unsigned int n, colour fill); static bool ro_save_draw_fill(int x0, int y0, int x1, int y1, colour c); static bool ro_save_draw_clip(int clip_x0, int clip_y0, int clip_x1, int clip_y1); static bool ro_save_draw_text(int x, int y, struct css_style *style, const char *text, size_t length, colour bg, colour c); static bool ro_save_draw_disc(int x, int y, int radius, colour colour); static bool ro_save_draw_bitmap(int x, int y, int width, int height, struct bitmap *bitmap, colour bg); static bool ro_save_draw_bitmap_tile(int x, int y, int width, int height, struct bitmap *bitmap, colour bg, bool repeat_x, bool repeat_y); static bool ro_save_draw_group_start(const char *name); static bool ro_save_draw_group_end(void); static bool ro_save_draw_error(pencil_code code); const struct plotter_table ro_save_draw_plotters = { ro_save_draw_clg, ro_save_draw_rectangle, ro_save_draw_line, ro_save_draw_polygon, ro_save_draw_fill, ro_save_draw_clip, ro_save_draw_text, ro_save_draw_disc, ro_save_draw_bitmap, ro_save_draw_bitmap_tile, ro_save_draw_group_start, ro_save_draw_group_end }; struct pencil_diagram *ro_save_draw_diagram; int ro_save_draw_width; int ro_save_draw_height; /** * Export a content as a DrawFile. * * \param c content to export * \param path path to save DrawFile as * \return true on success, false on error and error reported */ bool save_as_draw(struct content *c, const char *path) { pencil_code code; char *drawfile_buffer; size_t drawfile_size; os_error *error; ro_save_draw_diagram = pencil_create(); if (!ro_save_draw_diagram) { warn_user("NoMemory", 0); return false; } ro_save_draw_width = c->width; ro_save_draw_height = c->height; plot = ro_save_draw_plotters; if (!content_redraw(c, 0, -c->height, c->width, c->height, INT_MIN, INT_MIN, INT_MAX, INT_MAX, 1, 0xFFFFFF)) { pencil_free(ro_save_draw_diagram); return false; } /*pencil_dump(ro_save_draw_diagram);*/ code = pencil_save_drawfile(ro_save_draw_diagram, "NetSurf", &drawfile_buffer, &drawfile_size); if (code != pencil_OK) { warn_user("SaveError", 0); pencil_free(ro_save_draw_diagram); return false; } assert(drawfile_buffer); error = xosfile_save_stamped(path, osfile_TYPE_DRAW, drawfile_buffer, drawfile_buffer + drawfile_size); if (error) { LOG(("xosfile_save_stamped failed: 0x%x: %s", error->errnum, error->errmess)); warn_user("SaveError", error->errmess); pencil_free(ro_save_draw_diagram); return false; } pencil_free(ro_save_draw_diagram); return true; } bool ro_save_draw_clg(colour c) { return ro_save_draw_fill(0, 0, ro_save_draw_width, ro_save_draw_height, c); } bool ro_save_draw_rectangle(int x0, int y0, int width, int height, int line_width, colour c, bool dotted, bool dashed) { pencil_code code; const int path[] = { draw_MOVE_TO, x0 * 2, -y0 * 2 - 1, draw_LINE_TO, (x0 + width) * 2, -y0 * 2 - 1, draw_LINE_TO, (x0 + width) * 2, -(y0 + height) * 2 - 1, draw_LINE_TO, x0 * 2, -(y0 + height) * 2 - 1, draw_CLOSE_LINE, x0 * 2, -y0 * 2 - 1, draw_END_PATH }; code = pencil_path(ro_save_draw_diagram, path, sizeof path / sizeof path[0], pencil_TRANSPARENT, c << 8, width, pencil_JOIN_MITRED, pencil_CAP_BUTT, pencil_CAP_BUTT, 0, 0, false, pencil_SOLID); if (code != pencil_OK) return ro_save_draw_error(code); return true; } bool ro_save_draw_line(int x0, int y0, int x1, int y1, int width, colour c, bool dotted, bool dashed) { pencil_code code; const int path[] = { draw_MOVE_TO, x0 * 2, -y0 * 2 - 1, draw_LINE_TO, x1 * 2, -y1 * 2 - 1, draw_END_PATH }; code = pencil_path(ro_save_draw_diagram, path, sizeof path / sizeof path[0], pencil_TRANSPARENT, c << 8, width, pencil_JOIN_MITRED, pencil_CAP_BUTT, pencil_CAP_BUTT, 0, 0, false, pencil_SOLID); if (code != pencil_OK) return ro_save_draw_error(code); return true; } bool ro_save_draw_polygon(int *p, unsigned int n, colour fill) { pencil_code code; int path[n * 3 + 1]; unsigned int i; for (i = 0; i != n; i++) { path[i * 3 + 0] = draw_LINE_TO; path[i * 3 + 1] = p[i * 2 + 0] * 2; path[i * 3 + 2] = -p[i * 2 + 1] * 2; } path[0] = draw_MOVE_TO; path[n * 3] = draw_END_PATH; code = pencil_path(ro_save_draw_diagram, path, n * 3 + 1, fill << 8, pencil_TRANSPARENT, 0, pencil_JOIN_MITRED, pencil_CAP_BUTT, pencil_CAP_BUTT, 0, 0, false, pencil_SOLID); if (code != pencil_OK) return ro_save_draw_error(code); return true; } bool ro_save_draw_fill(int x0, int y0, int x1, int y1, colour c) { pencil_code code; const int path[] = { draw_MOVE_TO, x0 * 2, -y0 * 2 - 1, draw_LINE_TO, x1 * 2, -y0 * 2 - 1, draw_LINE_TO, x1 * 2, -y1 * 2 - 1, draw_LINE_TO, x0 * 2, -y1 * 2 - 1, draw_CLOSE_LINE, draw_END_PATH }; code = pencil_path(ro_save_draw_diagram, path, sizeof path / sizeof path[0], c << 8, pencil_TRANSPARENT, 0, pencil_JOIN_MITRED, pencil_CAP_BUTT, pencil_CAP_BUTT, 0, 0, false, pencil_SOLID); if (code != pencil_OK) return ro_save_draw_error(code); return true; } bool ro_save_draw_clip(int clip_x0, int clip_y0, int clip_x1, int clip_y1) { return true; } bool ro_save_draw_text(int x, int y, struct css_style *style, const char *text, size_t length, colour bg, colour c) { pencil_code code; const char *font_family; unsigned int font_size; rufl_style font_style; nsfont_read_style(style, &font_family, &font_size, &font_style); code = pencil_text(ro_save_draw_diagram, x * 2, -y * 2, font_family, font_style, font_size, text, length, c << 8); if (code != pencil_OK) return ro_save_draw_error(code); return true; } bool ro_save_draw_disc(int x, int y, int radius, colour colour) { return true; } bool ro_save_draw_bitmap(int x, int y, int width, int height, struct bitmap *bitmap, colour bg) { pencil_code code; code = pencil_sprite(ro_save_draw_diagram, x * 2, (-y - height) * 2, width * 2, height * 2, ((char *) bitmap->sprite_area) + bitmap->sprite_area->first); if (code != pencil_OK) return ro_save_draw_error(code); return true; } bool ro_save_draw_bitmap_tile(int x, int y, int width, int height, struct bitmap *bitmap, colour bg, bool repeat_x, bool repeat_y) { return true; } bool ro_save_draw_group_start(const char *name) { pencil_code code; code = pencil_group_start(ro_save_draw_diagram, name); if (code != pencil_OK) return ro_save_draw_error(code); return true; } bool ro_save_draw_group_end(void) { pencil_code code; code = pencil_group_end(ro_save_draw_diagram); if (code != pencil_OK) return ro_save_draw_error(code); return true; } /** * Report an error from pencil. * * \param code error code * \return false */ bool ro_save_draw_error(pencil_code code) { LOG(("code %i", code)); switch (code) { case pencil_OK: assert(0); break; case pencil_OUT_OF_MEMORY: warn_user("NoMemory", 0); break; case pencil_FONT_MANAGER_ERROR: warn_user("SaveError", rufl_fm_error->errmess); break; case pencil_FONT_NOT_FOUND: case pencil_IO_ERROR: case pencil_IO_EOF: warn_user("SaveError", "generating the DrawFile failed"); break; } return false; }