GrafX2 2.9.3227
The ultimate 256-color painting program
Macros | Functions
brush_ops.c File Reference

Code for operations about the brush (grabbing, rotating, ...) and magnifier. More...

#include <math.h>
#include <stdlib.h>
#include "brush.h"
#include "buttons.h"
#include "engine.h"
#include "global.h"
#include "graph.h"
#include "misc.h"
#include "operatio.h"
#include "pages.h"
#include "screen.h"
#include "windows.h"
#include "keyboard.h"
+ Include dependency graph for brush_ops.c:

Macros

#define M_PI   3.141592653589793238462643
 
#define REACH_DISTANCE   100
 

Functions

void Return_to_draw_mode (void)
 Simulates clicking the "Draw" button. More...
 
void Magnifier_12_0 (void)
 
void Colorpicker_12_0 (void)
 
void Colorpicker_1_1 (void)
 
void Colorpicker_2_1 (void)
 
void Colorpicker_0_1 (void)
 
byte Rightclick_colorpick (byte cursor_visible)
 
void Rightclick_colorpick_2_1 (void)
 
void Rightclick_colorpick_0_1 (void)
 
void Brush_12_0 (void)
 
void Brush_12_5 (void)
 
void Brush_0_5 (void)
 
void Polybrush_12_8 (void)
 
void Stretch_brush_12_0 (void)
 
void Stretch_brush_1_7 (void)
 
void Stretch_brush_0_7 (void)
 
void Stretch_brush_2_7 (void)
 
void Rotate_brush_12_0 (void)
 
void Rotate_brush_1_5 (void)
 
void Rotate_brush_0_5 (void)
 
void Rotate_brush_2_5 (void)
 
void Draw_stretch_spot (short x_pos, short y_pos)
 Draws a 2x2 XOR square at the specified picture coordinates, on the screen. More...
 
void Distort_brush_0_0 (void)
 
void Distort_brush_1_0 (void)
 
void Distort_brush_1_8 (void)
 
void Distort_brush_1_9 (void)
 
void Distort_brush_0_9 (void)
 
void Distort_brush_2_0 (void)
 
void Distort_brush_2_8 (void)
 

Detailed Description

Code for operations about the brush (grabbing, rotating, ...) and magnifier.

Macro Definition Documentation

◆ M_PI

#define M_PI   3.141592653589793238462643

◆ REACH_DISTANCE

#define REACH_DISTANCE   100

Function Documentation

◆ Return_to_draw_mode()

void Return_to_draw_mode ( void  )

Simulates clicking the "Draw" button.

References T_Config::Auto_discontinuous, BUTTON_DRAW, Change_paintbrush_shape(), Config, T_Config::Coords_rel, Current_operation, Display_cursor(), Hide_cursor, LEFT_SIDE, Menu_is_visible, Mouse_K, OPERATION_DISCONTINUOUS_DRAW, PAINTBRUSH_SHAPE_COLOR_BRUSH, Print_coordinates(), Print_in_menu(), RIGHT_SIDE, Select_button(), and Wait_end_of_click().

Referenced by Brush_0_5(), Distort_brush_2_0(), Distort_brush_2_8(), Polybrush_12_8(), Rotate_brush_2_5(), and Stretch_brush_2_7().

◆ Magnifier_12_0()

void Magnifier_12_0 ( void  )

References Clip_magnifier_offsets(), Compute_limits(), Compute_paintbrush_coordinates(), Display_all_screen(), Display_cursor(), T_Document::magnifier_height, T_Document::magnifier_mode, T_Document::magnifier_offset_X, T_Document::magnifier_offset_Y, T_Document::magnifier_width, Main, Mouse_X, Mouse_Y, T_Document::offset_X, T_Document::offset_Y, Operation_before_interrupt, Pixel_preview, Pixel_preview_magnifier, Position_screen_according_to_zoom(), Start_operation_stack(), and Wait_end_of_click().

Referenced by Init_operations().

◆ Colorpicker_12_0()

void Colorpicker_12_0 ( void  )

References Colorpicker_color, Init_start_operation(), LEFT_SIDE, Mouse_K, Operation_push(), Set_back_color(), and Set_fore_color().

Referenced by Init_operations().

◆ Colorpicker_1_1()

void Colorpicker_1_1 ( void  )

References Colorpicker_color, Colorpicker_X, Colorpicker_Y, Display_cursor(), Fore_color, Hide_cursor, T_Document::image_height, T_Document::image_width, Main, Menu_factor_X, Menu_is_visible, Menu_status_Y, Num2str, Paintbrush_X, Paintbrush_Y, Print_coordinates(), Print_general(), Print_in_menu(), Read_pixel_from_current_screen(), and Set_fore_color().

Referenced by Init_operations().

◆ Colorpicker_2_1()

void Colorpicker_2_1 ( void  )

References Back_color, Colorpicker_color, Colorpicker_X, Colorpicker_Y, Display_cursor(), Hide_cursor, T_Document::image_height, T_Document::image_width, Main, Menu_factor_X, Menu_is_visible, Menu_status_Y, Num2str, Paintbrush_X, Paintbrush_Y, Print_coordinates(), Print_general(), Print_in_menu(), Read_pixel_from_current_screen(), and Set_back_color().

Referenced by Init_operations().

◆ Colorpicker_0_1()

void Colorpicker_0_1 ( void  )

References BUTTON_COLORPICKER, Colorpicker_color, LEFT_SIDE, Operation_pop(), Set_back_color(), Set_fore_color(), and Unselect_button().

Referenced by Init_operations().

◆ Rightclick_colorpick()

byte Rightclick_colorpick ( byte  cursor_visible)

References Colorpicker_color, Colorpicker_X, Colorpicker_Y, Config, Display_cursor(), Hide_cursor, Init_start_operation(), Mouse_K, Operation_push(), OPERATION_RMB_COLORPICK, Quick_shade_mode, T_Config::Right_click_colorpick, RIGHT_SIDE, Rightclick_colorpick_2_1(), Shade_mode, Start_operation_stack(), and Tiling_mode.

Referenced by Airbrush_2_0(), Centered_lines_12_0(), Circle_12_0(), Curve_34_points_2_0(), Ellipse_12_0(), Fill_2_0(), Filled_polyform_12_0(), Freehand_mode1_2_0(), Freehand_mode2_2_0(), Freehand_Mode3_2_0(), K_line_12_0(), Line_12_0(), Polyfill_12_0(), Polyform_12_0(), Polygon_12_0(), Rectangle_12_0(), and Replace_2_0().

◆ Rightclick_colorpick_2_1()

void Rightclick_colorpick_2_1 ( void  )

References Colorpicker_color, Colorpicker_X, Colorpicker_Y, T_Document::image_height, T_Document::image_width, Main, Menu_factor_X, Menu_is_visible, Menu_status_Y, Num2str, Paintbrush_X, Paintbrush_Y, Print_coordinates(), Print_general(), Print_in_menu(), and Read_pixel_from_current_screen().

Referenced by Rightclick_colorpick().

◆ Rightclick_colorpick_0_1()

void Rightclick_colorpick_0_1 ( void  )

References Colorpicker_color, Display_cursor(), Hide_cursor, T_Document::magnifier_mode, Main, Menu_is_visible, Menu_Y, Mouse_X, Mouse_Y, Operation_before_interrupt, Operation_pop(), OPERATION_REPLACE, Print_coordinates(), Print_in_menu(), T_Document::separator_position, Set_fore_color(), Start_operation_stack(), and T_Document::X_zoom.

Referenced by Init_operations().

◆ Brush_12_0()

void Brush_12_0 ( void  )

References Backup(), Config, T_Config::Coords_rel, Display_cursor(), Init_start_operation(), Menu_is_visible, Mouse_K, Operation_push(), Paintbrush_X, Paintbrush_Y, Print_in_menu(), and RIGHT_SIDE.

Referenced by Init_operations().

◆ Brush_12_5()

void Brush_12_5 ( void  )

References Config, T_Config::Coords_rel, Menu_is_visible, Num2str, Operation_pop(), Operation_push(), Paintbrush_X, Paintbrush_Y, Print_coordinates(), and Print_in_menu().

Referenced by Init_operations().

◆ Brush_0_5()

void Brush_0_5 ( void  )

References T_Config::Adjust_brush_pick, Brush_offset_X, Brush_offset_Y, Capture_brush(), Config, End_of_modification(), Hide_cursor, Operation_pop(), Operation_stack_size, Paintbrush_X, Paintbrush_Y, Return_to_draw_mode(), Snap_height, Snap_mode, and Snap_width.

Referenced by Init_operations().

◆ Polybrush_12_8()

void Polybrush_12_8 ( void  )

References T_Config::Adjust_brush_pick, Brush_offset_X, Brush_offset_Y, Capture_brush_with_lasso(), Config, Display_all_screen(), Display_cursor(), Draw_line_preview_xor(), End_of_modification(), Hide_cursor, Mouse_K, T_Config::Nb_max_vertices_per_polygon, NULL, Operation_pop(), Operation_push(), Paintbrush_hidden, Paintbrush_X, Paintbrush_Y, Polyfill_number_of_points, Polyfill_table_of_points, Print_coordinates(), Return_to_draw_mode(), RIGHT_SIDE, Snap_height, Snap_mode, and Snap_width.

Referenced by Init_operations().

◆ Stretch_brush_12_0()

void Stretch_brush_12_0 ( void  )

References Config, T_Config::Coords_rel, Display_cursor(), Init_start_operation(), LEFT_SIDE, Menu_is_visible, Mouse_K, Operation_before_interrupt, Operation_push(), Paintbrush_X, Paintbrush_Y, Print_in_menu(), Start_operation_stack(), and Wait_end_of_click().

Referenced by Init_operations().

◆ Stretch_brush_1_7()

void Stretch_brush_1_7 ( void  )

References T_Config::Adjust_brush_pick, Config, T_Config::Coords_rel, Display_all_screen(), Display_cursor(), Hide_cursor, Menu_is_visible, Num2str, Operation_pop(), Operation_push(), Operation_stack_size, Paintbrush_X, Paintbrush_Y, Print_coordinates(), Print_in_menu(), Snap_mode, and Stretch_brush_preview().

Referenced by Init_operations().

◆ Stretch_brush_0_7()

void Stretch_brush_0_7 ( void  )

References Brush_height, Brush_width, Config, T_Config::Coords_rel, Display_all_screen(), Display_cursor(), Key_ANSI, Menu_is_visible, Num2str, Operation_pop(), Operation_push(), Operation_stack_size, Paintbrush_X, Paintbrush_Y, Print_coordinates(), Print_in_menu(), and Stretch_brush_preview().

Referenced by Init_operations().

◆ Stretch_brush_2_7()

void Stretch_brush_2_7 ( void  )

References Display_all_screen(), Operation_pop(), Operation_stack_size, Return_to_draw_mode(), and Stretch_brush().

Referenced by Init_operations().

◆ Rotate_brush_12_0()

void Rotate_brush_12_0 ( void  )

References Brush_rotation_center_is_defined, Brush_rotation_center_X, Brush_rotation_center_Y, Brush_width, Config, T_Config::Coords_rel, Init_start_operation(), LEFT_SIDE, Menu_is_visible, Mouse_K, Operation_before_interrupt, Operation_push(), Paintbrush_X, Paintbrush_Y, Print_in_menu(), Start_operation_stack(), and Wait_end_of_click().

Referenced by Init_operations().

◆ Rotate_brush_1_5()

void Rotate_brush_1_5 ( void  )

References Brush_rotation_center_X, Brush_rotation_center_Y, Clamp_coordinates_regular_angle(), Config, T_Config::Coords_rel, Display_all_screen(), Display_cursor(), Get_Key_modifiers(), GFX2_MOD_SHIFT, M_PI, Menu_is_visible, Operation_pop(), Operation_push(), Operation_stack_size, Paintbrush_X, Paintbrush_Y, Print_coordinates(), Print_in_menu(), and Rotate_brush_preview().

Referenced by Init_operations().

◆ Rotate_brush_0_5()

void Rotate_brush_0_5 ( void  )

References Brush_rotation_center_X, Brush_rotation_center_Y, Clamp_coordinates_regular_angle(), Config, T_Config::Coords_rel, Display_all_screen(), Display_cursor(), Get_Key_modifiers(), GFX2_MOD_SHIFT, Hide_cursor, Key_ANSI, M_PI, Menu_is_visible, Operation_pop(), Operation_push(), Operation_stack_size, Paintbrush_X, Paintbrush_Y, Print_coordinates(), Print_in_menu(), and Rotate_brush_preview().

Referenced by Init_operations().

◆ Rotate_brush_2_5()

void Rotate_brush_2_5 ( void  )

References Brush_rotation_center_X, Brush_rotation_center_Y, Display_all_screen(), M_2PI, Operation_pop(), Operation_stack_size, Return_to_draw_mode(), and Rotate_brush().

Referenced by Init_operations().

◆ Draw_stretch_spot()

void Draw_stretch_spot ( short  x_pos,
short  y_pos 
)

Draws a 2x2 XOR square at the specified picture coordinates, on the screen.

References Limit_left, Limit_top, Limit_visible_bottom, Limit_visible_right, Main, T_Document::offset_X, T_Document::offset_Y, Pixel_preview, Read_pixel, Update_part_of_screen(), and xor_lut.

Referenced by Distort_brush_1_0(), and Distort_brush_1_9().

◆ Distort_brush_0_0()

void Distort_brush_0_0 ( void  )

References Menu_is_visible, and Print_in_menu().

Referenced by Init_operations().

◆ Distort_brush_1_0()

void Distort_brush_1_0 ( void  )

References Brush_height, Brush_offset_X, Brush_offset_Y, Brush_width, Config, T_Config::Coords_rel, Display_cursor(), Distort_brush_preview(), Draw_stretch_spot(), Hide_cursor, Init_start_operation(), Menu_is_visible, Operation_push(), Operation_stack, Paintbrush_hidden, Paintbrush_X, Paintbrush_Y, Print_in_menu(), Update_part_of_screen(), and Wait_end_of_click().

Referenced by Init_operations().

◆ Distort_brush_1_8()

void Distort_brush_1_8 ( void  )

References Config, T_Config::Coords_rel, Distance(), Menu_is_visible, Operation_pop(), Operation_push(), Paintbrush_X, Paintbrush_Y, Print_coordinates(), Print_in_menu(), and REACH_DISTANCE.

Referenced by Init_operations().

◆ Distort_brush_1_9()

void Distort_brush_1_9 ( void  )

References Config, T_Config::Coords_rel, Display_all_screen(), Display_cursor(), Distort_brush_preview(), Draw_stretch_spot(), Hide_cursor, Menu_is_visible, Menu_Y, Operation_pop(), Operation_push(), Paintbrush_X, Paintbrush_Y, Print_coordinates(), Print_in_menu(), Screen_width, and Update_rect().

Referenced by Init_operations().

◆ Distort_brush_0_9()

void Distort_brush_0_9 ( void  )

References Operation_pop().

Referenced by Init_operations().

◆ Distort_brush_2_0()

void Distort_brush_2_0 ( void  )

References Config, T_Config::Coords_rel, Display_all_screen(), Menu_is_visible, Paintbrush_hidden, Print_in_menu(), and Return_to_draw_mode().

Referenced by Init_operations().

◆ Distort_brush_2_8()

void Distort_brush_2_8 ( void  )

References Display_all_screen(), Distort_brush(), Operation_pop(), Paintbrush_hidden, and Return_to_draw_mode().

Referenced by Init_operations().