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examples/times_table: V 0.0.8 fixes

pull/315/head
Alexander Medvednikov 2019-05-24 15:10:44 +02:00
parent a439faf605
commit 941c069256
1 changed files with 23 additions and 24 deletions
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47
examples/times_table/times_table.v
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@ -2,24 +2,23 @@ import ui
import gx import gx
const ( const (
WIN_SIZE = 540 WinSize = 540
MIN = 1 Min = 1
MAX = 9 Max = 9
FONT_SIZE = 30 FontSize = 30
N = MAX - MIN + 1 N = Max - Min + 1
CELL_SIZE = WIN_SIZE / N CellSize = WinSize / N
TEXT_CFG = gx.TextCfg { color: gx.BLACK, size: FONT_SIZE } TextCfg = gx.TextCfg { color: gx.BLACK, size: FontSize }
HEADER_COLOR = gx.rgb(240, 240, 240) HeaderColor = gx.rgb(240, 240, 240)
) )
fn main() { fn main() {
cfg := ui.WinCfg { ui.new_window(ui.WinCfg {
width: WIN_SIZE width: WinSize
height: WIN_SIZE height: WinSize
title: 'Times Table' title: 'Times Table'
draw_fn: draw draw_fn: draw
} })
wnd := ui.new_window(cfg)
for { for {
ui.wait_events() ui.wait_events()
} }
@ -27,29 +26,29 @@ fn main() {
// ui.Window uses native drawing API (Core Graphics, GDI+) // ui.Window uses native drawing API (Core Graphics, GDI+)
fn draw() { fn draw() {
gx.draw_rect(0, 0, WIN_SIZE, CELL_SIZE, HEADER_COLOR) // Horizontal header ui.draw_rect(0, 0, WinSize, CellSize, HeaderColor)// Horizontal header
gx.draw_rect(0, 0, CELL_SIZE, WIN_SIZE, HEADER_COLOR) // Vertical header ui.draw_rect(0, 0, CellSize, WinSize, HeaderColor)// Vertical header
for i := MIN; i <= MAX; i++ { for i := Min; i <= Max; i++ {
y := CELL_SIZE * (i - MIN) y := CellSize * (i - Min)
for j := MIN; j <= MAX; j++ { for j := Min; j <= Max; j++ {
// Skip top left corner // Skip top left corner
if i == MIN && j == MIN { if i == Min && j == Min {
continue continue
} }
// Draw the result // Draw the result
x := CELL_SIZE * (j - MIN) x := CellSize * (j - Min)
res := i * j res := i * j
mut text_padding_x := (CELL_SIZE - FONT_SIZE) / 2 - 1 mut text_padding_x := (CellSize - FontSize) / 2 - 1
text_padding_y := text_padding_x - 3 text_padding_y := text_padding_x - 3
if res < 10 { if res < 10 {
text_padding_x += 9 text_padding_x += 9
} }
gx.draw_text(x + text_padding_x, y + text_padding_y, res.str(), TEXT_CFG) ui.draw_text(x + text_padding_x, y + text_padding_y, res.str(), TextCfg)
} }
// Horizontal lines // Horizontal lines
gx.draw_line(0, y, WIN_SIZE, y) ui.draw_line(0, y, WinSize, y)
// Vertical lines // Vertical lines
gx.draw_line(y, 0, y, WIN_SIZE) ui.draw_line(y, 0, y, WinSize)
} }
} }