/* Grafx2 - The Ultimate 256-color bitmap paint program Copyright 2007-2008 Adrien Destugues Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud) Grafx2 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; version 2 of the License. Grafx2 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 Grafx2; if not, see or write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ ////////////////////////////////////////////////////////////////////////////// ///@file graph.h /// Graphic functions that target the screen and/or image. ////////////////////////////////////////////////////////////////////////////// void Shade_list_to_lookup_tables(word * list, short step, byte mode, byte * table_inc, byte * table_dec ); void Transform_point(short x, short y, float cos_a, float sin_a, short * rx, short * ry); int Init_mode_video(int width, int height, int fullscreen,int pixel_ratio); byte No_effect(word x,word y,byte color); byte Effect_shade(word x,word y,byte color); byte Effect_quick_shade(word x,word y,byte color); byte Effect_tiling(word x,word y,byte color); byte Effect_smooth(word x,word y,byte color); void Display_foreback(void); void Display_pixel(word x,word y,byte color); void Display_paintbrush(short x,short y,byte color,byte is_preview); void Hide_paintbrush(short x,short y); void Resize_image(word chosen_width,word chosen_height); void Fill_general(byte fill_color); void Replace(byte New_color); void Pixel_figure_preview (word x_pos,word y_pos,byte color); void Pixel_figure_preview_auto(word x_pos,word y_pos); void Pixel_figure_preview_xor(word x_pos,word y_pos,byte color); void Pixel_figure_preview_xorback(word x_pos,word y_pos,byte color); void Pixel_figure_in_brush(word x_pos,word y_pos,byte color); void Draw_empty_circle_permanent(short center_x,short center_y,short radius,byte color); void Draw_empty_circle_preview (short center_x,short center_y,short radius,byte color); void Hide_empty_circle_preview (short center_x,short center_y,short radius); void Draw_filled_circle (short center_x,short center_y,short radius,byte color); void Draw_empty_ellipse_permanent(short center_x,short center_y,short horizontal_radius,short vertical_radius,byte color); void Draw_empty_ellipse_preview (short center_x,short center_y,short horizontal_radius,short vertical_radius,byte color); void Hide_empty_ellipse_preview (short center_x,short center_y,short horizontal_radius,short vertical_radius); void Draw_filled_ellipse (short center_x,short center_y,short horizontal_radius,short vertical_radius,byte color); void Clamp_coordinates_45_degrees(short ax, short ay, short* bx, short* by); void Draw_line_general(short start_x,short start_y,short end_x,short end_y, byte color); void Draw_line_permanet (short start_x,short start_y,short end_x,short end_y,byte color); void Draw_line_preview (short start_x,short start_y,short end_x,short end_y,byte color); void Draw_line_preview_xor(short start_x,short start_y,short end_x,short end_y,byte color); void Draw_line_preview_xorback(short start_x,short start_y,short end_x,short end_y,byte color); void Hide_line_preview (short start_x,short start_y,short end_x,short end_y); void Draw_empty_rectangle(short start_x,short start_y,short end_x,short end_y,byte color); void Draw_filled_rectangle(short start_x,short start_y,short end_x,short end_y,byte color); void Draw_curve_permanent(short x1, short y1, short x2, short y2, short x3, short y3, short x4, short y4, byte color); void Draw_curve_preview (short x1, short y1, short x2, short y2, short x3, short y3, short x4, short y4, byte color); void Hide_curve_preview (short x1, short y1, short x2, short y2, short x3, short y3, short x4, short y4, byte color); void Airbrush(short clicked_button); void Gradient_basic (long index,short x_pos,short y_pos); void Gradient_dithered (long index,short x_pos,short y_pos); void Gradient_extra_dithered(long index,short x_pos,short y_pos); void Degrade_aleatoire (long index,short x_pos,short y_pos); void Draw_grad_circle (short center_x,short center_y,short radius,short spot_x,short spot_y); void Draw_grad_ellipse(short center_x,short center_y,short horizontal_radius,short vertical_radius,short spot_x,short spot_y); void Draw_grad_rectangle(short rax,short ray,short rbx,short rby,short vax,short vay, short vbx, short vby); void Polyfill_general(int vertices, short * points, int color); void Polyfill(int vertices, short * points, int color); // Gestion des backups: void Download_infos_page_main(T_Page * page); void Download_infos_page_spare(T_Page * page); void Download_infos_backup(T_List_of_pages * list); void Free_all_backup_lists(void); int Backup_with_new_dimensions(int upload,int width,int height); int Backup_and_resize_the_spare(int width,int height); void Undo(void); void Redo(void); void Free_current_page(void); void Exchange_main_and_spare(void); void Change_magnifier_factor(byte factor_index); void Remap_picture(void); // Définition d'une fonction générique de traçage de figures: Func_pixel Pixel_figure; void Update_part_of_screen(short x, short y, short width, short height);