zoom.c File Reference

#include "mapview_common.h"
#include "mapview_g.h"
#include "zoom.h"

Go to the source code of this file.

Data Structures
struct	zoom_data

Functions
void	zoom_set (float new_zoom)
void	zoom_1_0 (void)
void	zoom_set_steps (float *steps)
void	zoom_phase_set (bool individual_tiles)
void	zoom_step_up (void)
void	zoom_step_down (void)
void	zoom_start (float tgt, bool tgt_1_0, float factor, float interval)
bool	zoom_update (double time_until_next_call)

Variables
float	map_zoom = 1.0
bool	zoom_enabled = FALSE
float	mouse_zoom = 1.0
bool	zoom_individual_tiles = TRUE
static float	default_zoom_steps []
static float *	zoom_steps = default_zoom_steps
static struct zoom_data	zdata = { FALSE, 0.0, 0.0 }

Function Documentation

zoom_1_0()

void zoom_1_0

(

void

)

Set map zoom level to exactly one.

Definition at line 66 of file zoom.c.

Referenced by set_client_page_callback(), zoom_step_down(), zoom_step_up(), and zoom_update().

zoom_phase_set()

void zoom_phase_set

(

bool

individual_tiles

)

Set time zooming takes place. Default is to zoom individual tiles. Gui needs to implement alternatives themselves.

Definition at line 93 of file zoom.c.

Referenced by ui_init().

zoom_set()

void zoom_set

(

float

new_zoom

)

Set map zoom level.

Definition at line 49 of file zoom.c.

Referenced by set_client_page_callback(), zoom_step_down(), zoom_step_up(), and zoom_update().

zoom_set_steps()

void zoom_set_steps

(

float *

steps

)

Set list of zoom steps that the system uses. The list is not copied - caller is expected to maintain it. First and last value must be -1.0

Definition at line 80 of file zoom.c.

Referenced by ui_init().

zoom_start()

void zoom_start	(	float	tgt,
		bool	tgt_1_0,
		float	factor,
		float	interval
	)

Start zoom animation.

Definition at line 156 of file zoom.c.

zoom_step_down()

void zoom_step_down

(

void

)

Zoom level one step down

Definition at line 130 of file zoom.c.

Referenced by key_press_map_canvas(), and key_press_map_canvas().

zoom_step_up()

void zoom_step_up

(

void

)

Zoom level one step up

Definition at line 106 of file zoom.c.

Referenced by key_press_map_canvas(), and key_press_map_canvas().

zoom_update()

bool zoom_update

(

double

time_until_next_call

)

Next step from the active zoom.

Definition at line 172 of file zoom.c.

Referenced by real_timer_callback().

Variable Documentation

default_zoom_steps

float default_zoom_steps[]

static

Initial value:

= {
  -1.0, 1.0, 2.0, -1.0
}

Definition at line 31 of file zoom.c.

Referenced by zoom_set_steps().

map_zoom

float map_zoom = 1.0

Definition at line 25 of file zoom.c.

Referenced by anchor_selection_rectangle(), base_canvas_to_map_pos(), battle_animation(), info_tile::calc_size(), can_do_cached_drawing(), center_tile_mapcanvas(), decrease_unit_hp_smooth(), define_tiles_within_rectangle(), draw_calculated_trade_routes(), draw_segment(), draw_trade_route_line(), editor_end_selection_rectangle(), explosion_animation(), get_center_tile_mapcanvas(), get_mapview_scroll_step(), get_mapview_scroll_window(), gui_to_natural_pos(), link_mark_draw(), map_canvas_resized(), map_view::mouseMoveEvent(), move_unit_map_canvas(), movement_animation(), nuke_animation(), popit(), popup_find_dialog(), popupinfo_positioning_callback(), put_cross_overlay_tile(), put_nuke_mushroom_pixmaps(), put_one_tile(), put_window_near_map_tile(), scroll_mapview(), map_view::shortcut_pressed(), show_city_descriptions(), show_full_citybar(), show_small_citybar(), show_tile_label(), show_tile_labels(), tile_to_canvas_pos(), tile_visible_and_not_on_border_mapcanvas(), tile_visible_mapcanvas(), trade_route_to_canvas_lines(), unqueue_mapview_updates(), update_map_canvas(), update_selection_rectangle(), zoom_1_0(), zoom_phase_set(), and zoom_set().

mouse_zoom

float mouse_zoom = 1.0

Definition at line 28 of file zoom.c.

Referenced by action_button_pressed(), adjust_workers_button_pressed(), anchor_selection_rectangle(), butt_down_mapcanvas(), button_down_on_map(), button_up_on_map(), editor_end_selection_rectangle(), editor_mouse_button_press(), editor_mouse_move(), key_city_overlay(), leave_mapcanvas(), left_butt_down_mapcanvas(), main_finger_down_handler(), main_mouse_button_down_handler(), main_mouse_motion_handler(), map_canvas_draw(), map_canvas_resized(), map_canvas_size_refresh(), maybe_activate_keyboardless_goto(), middle_butt_down_mapcanvas(), mouse_scroll_mapcanvas(), mouse_scroll_mapcanvas(), move_mapcanvas(), move_mapcanvas(), popit(), recenter_button_pressed(), release_goto_button(), right_butt_down_mapcanvas(), scrollbar_jump_callback(), update_line(), update_selection_rectangle(), wakeup_button_pressed(), zoom_1_0(), zoom_set(), zoom_start(), zoom_step_down(), zoom_step_up(), and zoom_update().

zdata

struct zoom_data zdata = { FALSE, 0.0, 0.0 }

static

Referenced by zoom_start(), and zoom_update().

zoom_enabled

bool zoom_enabled = FALSE

Definition at line 26 of file zoom.c.

Referenced by zoom_1_0(), zoom_phase_set(), and zoom_set().

zoom_individual_tiles

bool zoom_individual_tiles = TRUE

Definition at line 29 of file zoom.c.

Referenced by zoom_phase_set(), and zoom_set().

zoom_steps

float* zoom_steps = default_zoom_steps

static

Definition at line 35 of file zoom.c.

Referenced by zoom_set_steps(), zoom_step_down(), and zoom_step_up().