RingLibUI 拡張機能¶
RingLibUI 拡張機能の用法を解説します。
この拡張機能は Libui の全機能を扱えます。
この拡張機能は Ring による軽量 GUI アプリケーションの開発と配布で使えます (1 MB 以下)。
ランタイムファイルとファイルサイズ (Ring 1.14)
Ring.dll (448 KB)
Libui.dll (210 KB)
Ring_Libui.dll (633 KB)
圧縮前のファイル - 合計 : 1,291 KB
圧縮後のファイル (ZIP 形式) - 合計 : 504 KB
Hello World¶
load "libui.ring"
oWindow = uiNewWindow( "Hello, World", 400, 400, True)
uiWindowOnClosing(oWindow,"closeApp()")
btn1 = uiNewButton("SayHello")
uiButtonOnClicked(btn1,"sayHello()")
btn2 = uiNewButton("Close")
uiButtonOnClicked(btn2,"closeApp()")
g = uiNewGrid() uiGridSetPadded(g, 1) uiWindowSetChild(oWindow, g)
uiGridAppend(g, btn1, 0, 0, 2, 1, 1, uiAlignFill, 0, uiAlignFill)
uiGridAppend(g, btn2, 0, 1, 1, 1, 1, uiAlignFill, 0, uiAlignFill)
uiControlShow( oWindow )
uiMain()
func sayHello
uiMsgBox(oWindow,"Hi","Hello")
func closeApp
uiQuit()
スクリーンショット:
あいさつをする¶
load "libui.ring"
oWindow = uiNewWindow( "Say Hello", 500, 80, True)
uiWindowOnClosing(oWindow,"closeApp()")
lbl1 = uiNewLabel("Name: ")
text1 = uiNewEntry()
btn1 = uiNewButton("SayHello")
uiButtonOnClicked(btn1,"sayHello()")
btn2 = uiNewButton("Close")
uiButtonOnClicked(btn2,"closeApp()")
lbl2 = uiNewLabel("")
g = uiNewGrid() uiGridSetPadded(g, 1) uiWindowSetChild(oWindow, g)
uiGridAppend(g, lbl1, 0, 0, 2, 1, 1, uiAlignCenter, 0, uiAlignCenter)
uiGridAppend(g, text1, 1, 0, 2, 1, 1, uiAlignFill, 0, uiAlignFill)
uiGridAppend(g, btn1, 0, 1, 1, 2, 1, uiAlignFill, 0, uiAlignFill)
uiGridAppend(g, btn2, 2, 1, 1, 1, 1, uiAlignFill, 0, uiAlignFill)
uiGridAppend(g, lbl2, 0, 3, 2, 1, 1, uiAlignCenter, 0, uiAlignCenter)
uiControlShow( oWindow )
uiMain()
func sayHello
uiLabelSetText(lbl2,"Hello " + uiEntryText(text1))
func closeApp
uiQuit()
スクリーンショット:
コントロールの見本帳¶
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
# グローバル変数
slider = NULL
spinbox = NULL
pBar = NULL
entryOpen = NULL
entrySave = NULL
# メインウィンドウ
mainwin = uiNewWindow("libui Control Gallery", 640, 480, 1)
uiWindowOnClosing(mainwin, "onClosing()")
tab = uiNewTab()
uiWindowSetChild(mainwin, tab)
uiWindowSetMargined(mainwin, 1)
uiTabAppend(tab, "Basic Controls", makeBasicControlsPage())
uiTabSetMargined(tab, 0, 1)
uiTabAppend(tab, "Numbers and Lists", makeNumbersPage())
uiTabSetMargined(tab, 1, 1)
uiTabAppend(tab, "Data Choosers", makeDataChoosersPage())
uiTabSetMargined(tab, 2, 1)
uiControlShow(mainwin)
uiMain()
func onClosing
uiQuit()
func makeDataChoosersPage
hbox = uiNewHorizontalBox()
uiBoxSetPadded(hbox, 1)
vbox = uiNewVerticalBox()
uiBoxSetPadded(vbox, 1)
uiBoxAppend(hbox, vbox, 0)
uiBoxAppend(vbox,
uiNewDatePicker(),
0)
uiBoxAppend(vbox,
uiNewTimePicker(),
0)
uiBoxAppend(vbox,
uiNewDateTimePicker(),
0)
uiBoxAppend(vbox,
uiNewFontButton(),
0)
uiBoxAppend(vbox,
uiNewColorButton(),
0)
uiBoxAppend(hbox,
uiNewVerticalSeparator(),
0)
vbox = uiNewVerticalBox()
uiBoxSetPadded(vbox, 1)
uiBoxAppend(hbox, vbox, 1)
grid = uiNewGrid()
uiGridSetPadded(grid, 1)
uiBoxAppend(vbox, grid, 0)
button = uiNewButton("Open File")
entryOpen = uiNewEntry()
uiEntrySetReadOnly(entryOpen, 1)
uiButtonOnClicked(button, "onOpenFileClicked()")
uiGridAppend(grid, button,
0, 0, 1, 1,
0, uiAlignFill, 0, uiAlignFill)
uiGridAppend(grid, entryOpen,
1, 0, 1, 1,
1, uiAlignFill, 0, uiAlignFill)
button = uiNewButton("Save File")
entrySave = uiNewEntry()
uiEntrySetReadOnly(entrySave, 1)
uiButtonOnClicked(button, "onSaveFileClicked()")
uiGridAppend(grid, button,
0, 1, 1, 1,
0, uiAlignFill, 0, uiAlignFill)
uiGridAppend(grid, entrySave,
1, 1, 1, 1,
1, uiAlignFill, 0, uiAlignFill)
msggrid = uiNewGrid()
uiGridSetPadded(msggrid, 1)
uiGridAppend(grid, msggrid,
0, 2, 2, 1,
0, uiAlignCenter, 0, uiAlignStart)
button = uiNewButton("Message Box")
uiButtonOnClicked(button, "onMsgBoxClicked()")
uiGridAppend(msggrid, button,
0, 0, 1, 1,
0, uiAlignFill, 0, uiAlignFill)
button = uiNewButton("Error Box")
uiButtonOnClicked(button, "onMsgBoxErrorClicked()")
uiGridAppend(msggrid, button,
1, 0, 1, 1,
0, uiAlignFill, 0, uiAlignFill)
return hbox
func makeNumbersPage
hbox = uiNewHorizontalBox()
uiBoxSetPadded(hbox, 1)
group = uiNewGroup("Numbers")
uiGroupSetMargined(group, 1)
uiBoxAppend(hbox, group, 1)
vbox = uiNewVerticalBox()
uiBoxSetPadded(vbox, 1)
uiGroupSetChild(group, vbox)
spinbox = uiNewSpinbox(0, 100)
slider = uiNewSlider(0, 100)
pbar = uiNewProgressBar()
uiSpinboxOnChanged(spinbox, "onSpinboxChanged()")
uiSliderOnChanged(slider, "onSliderChanged()")
uiBoxAppend(vbox, spinbox, 0)
uiBoxAppend(vbox, slider, 0)
uiBoxAppend(vbox, pbar, 0)
ip = uiNewProgressBar()
uiProgressBarSetValue(ip, -1)
uiBoxAppend(vbox, ip, 0)
group = uiNewGroup("Lists")
uiGroupSetMargined(group, 1)
uiBoxAppend(hbox, group, 1)
vbox = uiNewVerticalBox()
uiBoxSetPadded(vbox, 1)
uiGroupSetChild(group, vbox)
cbox = uiNewCombobox()
uiComboboxAppend(cbox, "Combobox Item 1")
uiComboboxAppend(cbox, "Combobox Item 2")
uiComboboxAppend(cbox, "Combobox Item 3")
uiBoxAppend(vbox, cbox, 0)
ecbox = uiNewEditableCombobox()
uiEditableComboboxAppend(ecbox, "Editable Item 1")
uiEditableComboboxAppend(ecbox, "Editable Item 2")
uiEditableComboboxAppend(ecbox, "Editable Item 3")
uiBoxAppend(vbox, ecbox, 0)
rb = uiNewRadioButtons()
uiRadioButtonsAppend(rb, "Radio Button 1")
uiRadioButtonsAppend(rb, "Radio Button 2")
uiRadioButtonsAppend(rb, "Radio Button 3")
uiBoxAppend(vbox, rb, 0)
return hbox
func makeBasicControlsPage
vbox = uiNewVerticalBox()
uiBoxSetPadded(vbox, 1)
hbox = uiNewHorizontalBox()
uiBoxSetPadded(hbox, 1)
uiBoxAppend(vbox, hbox, 0)
uiBoxAppend(hbox,
uiNewButton("Button"),
0)
uiBoxAppend(hbox,
uiNewCheckbox("Checkbox"),
0)
uiBoxAppend(vbox,
uiNewLabel("This is a label. Right now, labels can only span one line."),
0)
uiBoxAppend(vbox,
uiNewHorizontalSeparator(),
0)
group = uiNewGroup("Entries")
uiGroupSetMargined(group, 1)
uiBoxAppend(vbox, group, 1)
entryForm = uiNewForm()
uiFormSetPadded(entryForm, 1)
uiGroupSetChild(group, entryForm)
uiFormAppend(entryForm,
"Entry",
uiNewEntry(),
0)
uiFormAppend(entryForm,
"Password Entry",
uiNewPasswordEntry(),
0)
uiFormAppend(entryForm,
"Search Entry",
uiNewSearchEntry(),
0)
uiFormAppend(entryForm,
"Multiline Entry",
uiNewMultilineEntry(),
1)
uiFormAppend(entryForm,
"Multiline Entry No Wrap",
uiNewNonWrappingMultilineEntry(),
1)
return vbox
func onSpinboxChanged
s = uiEventSpinBox()
uiSliderSetValue(slider, uiSpinboxValue(s));
uiProgressBarSetValue(pbar, uiSpinboxValue(s));
func onSliderChanged
s = uiEventSlider()
uiSpinboxSetValue(spinbox, uiSliderValue(s));
uiProgressBarSetValue(pbar, uiSliderValue(s));
func onOpenFileClicked
filename = uiOpenFile(mainwin)
if ISNULL(filename)
uiEntrySetText(entryOpen, "(cancelled)")
return
ok
uiEntrySetText(entryOpen, filename)
uiFreeText(filename)
func onSaveFileClicked
filename = uiSaveFile(mainwin)
if ISNULL(filename)
uiEntrySetText(entrySave, "(cancelled)")
return
ok
uiEntrySetText(entrySave, filename)
uiFreeText(filename)
func onMsgBoxClicked
uiMsgBox(mainwin,
"This is a normal message box.",
"More detailed information can be shown here.")
func onMsgBoxErrorClicked
uiMsgBoxError(mainwin,
"This message box describes an error.",
"More detailed information can be shown here.")
スクリーンショット:
なにか言ってみる¶
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
w = uiNewWindow("Hello", 320, 240, 0)
uiWindowSetMargined(w, 1)
b = uiNewVerticalBox()
uiBoxSetPadded(b, 1)
uiWindowSetChild(w, b)
e = uiNewMultilineEntry()
uiMultilineEntrySetReadOnly(e, 1)
btn = uiNewButton("Say Something")
uiButtonOnClicked(btn, "saySomething()")
uiBoxAppend(b, btn, 0)
uiBoxAppend(b, e, 1)
uiTimer(1000, "sayTime()")
uiWindowOnClosing(w, "onClosing()")
uiControlShow(w)
uiMain()
func saySomething
uiMultilineEntryAppend(e, "Saying something"+nl)
func sayTime
uiMultilineEntryAppend(e, Time()+nl)
func onClosing
uiQuit()
スクリーンショット:
メニューバーの用法¶
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
# メニューバーの作成
fileMenu = uiNewMenu("File")
newItem = uiMenuAppendItem(fileMenu, "New")
openItem = uiMenuAppendItem(fileMenu, "Open")
uiMenuAppendSeparator(fileMenu)
shouldQuitItem = uiMenuAppendCheckItem(fileMenu, "Should Quit")
quitItem = uiMenuAppendQuitItem(fileMenu)
editMenu = uiNewMenu("Edit")
undoItem = uiMenuAppendItem(editMenu, "Undo")
uiMenuItemDisable(undoItem)
uiMenuAppendSeparator(editMenu)
checkItem = uiMenuAppendCheckItem(editMenu, "Check Me\tTest")
accelItem = uiMenuAppendItem(editMenu, "A&ccele&&rator T_es__t")
prefsItem = uiMenuAppendPreferencesItem(editMenu)
testMenu = uiNewMenu("Test")
enabledItem = uiMenuAppendCheckItem(testMenu, "Enable Below Item")
uiMenuItemSetChecked(enabledItem, 1)
enableThisItem = uiMenuAppendItem(testMenu, "This Will Be Enabled")
uiMenuItemOnClicked(enabledItem, "enableItemTest(enableThisItem)")
forceCheckedItem = uiMenuAppendItem(testMenu, "Force Above Checked")
uiMenuItemOnClicked(forceCheckedItem, "forceOn()")
forceUncheckedItem = uiMenuAppendItem(testMenu, "Force Above Unchecked")
uiMenuItemOnClicked(forceUncheckedItem, "forceOff()")
uiMenuAppendSeparator(testMenu)
whatWindowItem = uiMenuAppendItem(testMenu, "What Window?")
uiMenuItemOnClicked(whatWindowItem, "whatWindow()")
moreTestsMenu = uiNewMenu("More Tests")
quitEnabledItem = uiMenuAppendCheckItem(moreTestsMenu, "Quit Item Enabled")
uiMenuItemSetChecked(quitEnabledItem, 1)
prefsEnabledItem = uiMenuAppendCheckItem(moreTestsMenu, "Preferences Item Enabled")
uiMenuItemSetChecked(prefsEnabledItem, 1)
aboutEnabledItem = uiMenuAppendCheckItem(moreTestsMenu, "About Item Enabled")
uiMenuItemSetChecked(aboutEnabledItem, 1)
uiMenuAppendSeparator(moreTestsMenu)
checkEnabledItem = uiMenuAppendCheckItem(moreTestsMenu, "Check Me Item Enabled")
uiMenuItemSetChecked(checkEnabledItem, 1)
multiMenu = uiNewMenu("Multi")
uiMenuAppendSeparator(multiMenu)
uiMenuAppendSeparator(multiMenu)
uiMenuAppendItem(multiMenu, "Item && Item && Item")
uiMenuAppendSeparator(multiMenu)
uiMenuAppendSeparator(multiMenu)
uiMenuAppendItem(multiMenu, "Item __ Item __ Item")
uiMenuAppendSeparator(multiMenu)
uiMenuAppendSeparator(multiMenu)
helpMenu = uiNewMenu("Help")
helpItem = uiMenuAppendItem(helpMenu, "Help")
aboutItem = uiMenuAppendAboutItem(helpMenu)
uiMenuItemOnClicked(quitEnabledItem, "enableItemTest(quitItem)")
uiMenuItemOnClicked(prefsEnabledItem, "enableItemTest(prefsItem)")
uiMenuItemOnClicked(aboutEnabledItem, "enableItemTest(aboutItem)")
uiMenuItemOnClicked(checkEnabledItem, "enableItemTest(checkItem)")
# ウィンドウの作成
oWindow = uiNewWindow( "Using the Menubar", 400, 400, True)
uiWindowOnClosing(oWindow,"closeApp()")
uiControlShow( oWindow )
uiMain()
func enableItemTest(data)
item = uiEventMenuItem()
if uiMenuItemChecked(item)
uiMenuItemEnable(data)
else
uiMenuItemDisable(data)
ok
func forceOn
uiMenuItemSetChecked(enabledItem, 1)
func forceOff
uiMenuItemSetChecked(enabledItem, 0)
func whatWindow
? "menu item clicked on window "
? oWindow
func closeApp
uiQuit()
スクリーンショット:
サンプル集の描画¶
load "libui.ring"
oWindow = uiNewWindow( "Drawing Sample", 420, 450, True)
uiWindowOnClosing(oWindow,"closeApp()")
oAreaHandler = uiNewAreaHandler("draw()","","","","")
area = uiNewArea(oAreaHandler)
btnClose = uiNewButton("Close Application")
uiButtonOnClicked(btnClose,"closeApp()")
hbox = uiNewVerticalBox()
uiBoxSetPadded(hbox, 1)
uiBoxAppend(hbox,btnClose,0)
uiBoxAppend(hbox,area,1)
uiWindowSetChild(oWindow, hbox)
uiControlShow( oWindow )
uiMain()
func draw
Rectangle(0, 0, uiEventAreaWidth(), uiEventAreaHeight(), colorGray)
Rectangle(0, 0, 400, 400, colorWhite)
Rectangle(10, 10, 20, 20, colorRed)
Rectangle(30, 30, 30, 30, colorGreen)
Rectangle(60, 60, 40, 40, colorBlue)
# Rectangle 関数は RingLibUI の uiRectangle() 関数に相当します。
func Rectangle x,y,width,height,color
oContext = uiEventContext()
oBrush = uiNewSolidBrush(color)
oPath = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathAddRectangle(oPath, x, y, width, height)
uiDrawPathEnd(oPath)
uiDrawFill(oContext, oPath, oBrush)
uiDrawFreePath(oPath)
func closeApp
uiQuit()
スクリーンショット:
グラデーションの描画¶
load "libui.ring"
oWindow = uiNewWindow( "Draw Gradient", 500, 500, True)
uiWindowOnClosing(oWindow,"closeApp()")
oAreaHandler = uiNewAreaHandler("draw()","","","","")
area = uiNewArea(oAreaHandler)
btnClose = uiNewButton("Close Application")
uiButtonOnClicked(btnClose,"closeApp()")
hbox = uiNewVerticalBox()
uiBoxSetPadded(hbox, 1)
uiBoxAppend(hbox,btnClose,0)
uiBoxAppend(hbox,area,1)
uiWindowSetChild(oWindow, hbox)
uiControlShow( oWindow )
uiMain()
func draw
nWidth = uiEventAreaWidth() nHeight = uiEventAreaHeight()
uiRectangle(0, 0, nWidth, nHeight, colorBlue)
for y=0 to 255 step 2
customColor = y
uiRectangle(0, y, nWidth, y+1, customColor)
next
func closeApp
uiQuit()
スクリーンショット:
ヒストグラム¶
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
datapoints = list(10)
currentPoint = -1
// メートル換算
xoffLeft = 20 /* ヒストグラムの余白 */
yoffTop = 20
xoffRight = 20
yoffBottom = 20
pointRadius = 5
histogram = NULL
mainwin = NULL
colorButton = NULL
func pointLocations width, height, xs, ys
xincr = width / 9 // 処理後に最終地点を 10 - 1 します
yincr = height / 100
for i = 1 to 10
// 点の値を取得
n = uiSpinboxValue(datapoints[i])
// y=0 は上部ですが n=0 は下部であるため、反転処理が必要です。
n = 100 - n;
xs[i] = xincr * i
ys[i] = yincr * n
next
func constructGraph width, height, extend
xs = list(10)
ys = list(10)
pointLocations(width, height, xs, ys)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, xs[1], ys[1])
for i = 2 to 10
uiDrawPathLineTo(path, xs[i], ys[i])
next
if extend
uiDrawPathLineTo(path, width, height)
uiDrawPathLineTo(path, 0, height)
uiDrawPathCloseFigure(path)
ok
uiDrawPathEnd(path)
return path
func graphSize clientWidth, clientHeight
graphWidth = clientWidth - xoffLeft - xoffRight
graphHeight = clientHeight - yoffTop - yoffBottom
return [graphWidth,graphHeight]
func handlerDraw
// 白色で領域を塗りつぶす
Brush = uiNewSolidBrush(0)
setSolidBrush(brush, colorWhite, 1.0)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathAddRectangle(path, 0, 0, uiEventAreaWidth(), uiEventAreaHeight())
uiDrawPathEnd(path)
uiDrawFill(uiEventContext(), path, brush)
uiDrawFreePath(path)
// 寸法の解決
aOut = graphSize(uiEventAreaWidth(), uiEventAreaHeight())
graphWidth = aOut[1]
graphHeight = aOut[2]
sp = new_managed_uiDrawStrokeParams()
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapFlat)
set_uiDrawStrokeParams_Join(sp,uiDrawLineJoinMiter)
set_uiDrawStrokeParams_Thickness(sp,2)
set_uiDrawStrokeParams_MiterLimit(sp,uiDrawDefaultMiterLimit)
// 軸の描画
setSolidBrush(brush, colorBlack, 1.0)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path,
xoffLeft, yoffTop)
uiDrawPathLineTo(path,
xoffLeft, yoffTop + graphHeight)
uiDrawPathLineTo(path,
xoffLeft + graphWidth, yoffTop + graphHeight)
uiDrawPathEnd(path)
uiDrawStroke(uiEventContext(), path, brush, sp)
uiDrawFreePath(path)
// 座標空間 (0, 0) はグラフの左上角へ変換します
m = new_managed_uiDrawMatrix()
uiDrawMatrixSetIdentity(m)
uiDrawMatrixTranslate(m, xoffLeft, yoffTop)
uiDrawTransform(uiEventContext(), m)
// グラフの色を取得してブラシの設定を行います
GraphR=0
GraphG=0
GraphB=0
GraphA=0
uiColorButtonColor(colorButton, :graphR,
:graphG,
:graphB,
:graphA)
uiSetBrushType(brush,uiDrawBrushTypeSolid)
uiSetBrushR(brush,graphR)
uiSetBrushG(brush,graphG)
uiSetBrushB(brush,graphB)
// 以降の brush->A は塗りつぶしとストロークの値が異なる設定となります
// 以降のグラフの線はグラフを塗りつぶしたものを作成します
path = constructGraph(graphWidth, graphHeight, 1)
uiSetBrushA(brush, graphA / 2)
uiDrawFill(uiEventContext(), path, brush)
uiDrawFreePath(path)
// ヒストグラムの線描
path = constructGraph(graphWidth, graphHeight, 0)
uiSetBrushA(brush,graphA)
uiDrawStroke(uiEventContext(), path, brush, sp)
uiDrawFreePath(path)
// 描画先の点はカーソルと対応します。
if currentPoint != -1
xs = list(10)
ys = list(10)
pointLocations(graphWidth, graphHeight, xs, ys)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigureWithArc(path,
xs[currentPoint], ys[currentPoint],
pointRadius,
0, 6.23, // TODO: 円周率π
0)
uiDrawPathEnd(path)
// ヒストグラムの線描に同じブラシを使います
uiDrawFill(uiEventContext(), path, brush)
uiDrawFreePath(path)
ok
func inPoint x, y, xtest, ytest
// TODO: 変更に行列を使う
x -= xoffLeft
y -= yoffTop
return (x >= xtest - pointRadius) &&
(x <= xtest + pointRadius) &&
(y >= ytest - pointRadius) &&
(y <= ytest + pointRadius)
func handlerMouseEvent
xs = list(10)
ys = list(10)
aOut = graphSize(uiEventAreaWidth(), uiEventAreaHeight())
graphWidth = aOut[1]
graphHeight = aOut[2]
pointLocations(graphWidth, graphHeight, xs, ys)
e = uiEventAreaMouseEvent()
eX = get_uiAreaMouseEvent_X(e)
eY = get_uiAreaMouseEvent_Y(e)
for i=1 to 10
if inPoint(eX, eY, xs[i], ys[i])
exit
ok
next
if i = 11 // 点ではありません
i = -1
ok
currentPoint = i
uiAreaQueueRedrawAll(histogram)
func onDatapointChanged
uiAreaQueueRedrawAll(histogram)
func onColorChanged
uiAreaQueueRedrawAll(histogram);
func onClosing
uiControlDestroy(uiControl(mainwin))
uiQuit()
return 0
func shouldQuit
uiControlDestroy(uiControl(mainwin))
func main
uiOnShouldQuit("shouldQuit()")
mainwin = uiNewWindow("Histogram Sample", 800, 480, 1)
uiWindowSetMargined(mainwin, 1)
uiWindowOnClosing(mainwin, "onClosing()")
Brush = uiNewSolidBrush(0)
hbox = uiNewHorizontalBox()
uiBoxSetPadded(hbox, 1)
uiWindowSetChild(mainwin, uiControl(hbox))
vbox = uiNewVerticalBox()
uiBoxSetPadded(vbox, 1)
uiBoxAppend(hbox, uiControl(vbox), 0)
srandom(clock());
for i=1 to 10
datapoints[i] = uiNewSpinbox(0, 100)
uiSpinboxSetValue(datapoints[i], random() % 101)
uiSpinboxOnChanged(datapoints[i], "onDatapointChanged()")
uiBoxAppend(vbox, uiControl(datapoints[i]), 0)
next
colorButton = uiNewColorButton()
setSolidBrush(brush, colorDodgerBlue, 1.0)
uiColorButtonSetColor(colorButton,
uiBrushR(brush),
uiBrushG(brush),
uiBrushB(brush),
uiBrushA(brush))
uiColorButtonOnChanged(colorButton, "onColorChanged()")
uiBoxAppend(vbox, uiControl(colorButton), 0)
oAreaHandler = uiNewAreaHandler("handlerDraw()","handlerMouseEvent()","","","")
histogram = uiNewArea(oAreaHandler)
uiBoxAppend(hbox, uiControl(histogram), 1)
uiControlShow(uiControl(mainwin))
uiMain()
スクリーンショット:
テキストの描画¶
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
# グローバル変数
mainwin = NULL
area = NULL
handler = NULL
fontButton = NULL
alignment = NULL
attrstr = NULL
func appendWithAttribute what, attr, attr2
nStart = uiAttributedStringLen(attrstr)
nEnd = nStart + len(what)
uiAttributedStringAppendUnattributed(attrstr, what)
uiAttributedStringSetAttribute(attrstr, attr, nStart, nEnd)
if ! ISNULL(attr2)
uiAttributedStringSetAttribute(attrstr, attr2, nStart, nEnd)
ok
func makeAttributedString
attrstr = uiNewAttributedString("Drawing strings with libui is done with the uiAttributedString and uiDrawTextLayout objects."+nl+
"uiAttributedString lets you have a variety of attributes: ")
attr = uiNewFamilyAttribute("Courier New")
appendWithAttribute("font family", attr, NULL)
uiAttributedStringAppendUnattributed(attrstr, ", ")
attr = uiNewSizeAttribute(18)
appendWithAttribute("font size", attr, NULL)
uiAttributedStringAppendUnattributed(attrstr, ", ")
attr = uiNewWeightAttribute(uiTextWeightBold)
appendWithAttribute("font weight", attr, NULL)
uiAttributedStringAppendUnattributed(attrstr, ", ")
attr = uiNewItalicAttribute(uiTextItalicItalic)
appendWithAttribute("font italicness", attr, NULL)
uiAttributedStringAppendUnattributed(attrstr, ", ")
attr = uiNewStretchAttribute(uiTextStretchCondensed)
appendWithAttribute("font stretch", attr, NULL)
uiAttributedStringAppendUnattributed(attrstr, ", ")
attr = uiNewColorAttribute(0.75, 0.25, 0.5, 0.75)
appendWithAttribute("text color", attr, NULL)
uiAttributedStringAppendUnattributed(attrstr, ", ")
attr = uiNewBackgroundAttribute(0.5, 0.5, 0.25, 0.5)
appendWithAttribute("text background color", attr, NULL)
uiAttributedStringAppendUnattributed(attrstr, ", ")
attr = uiNewUnderlineAttribute(uiUnderlineSingle)
appendWithAttribute("underline style", attr, NULL)
uiAttributedStringAppendUnattributed(attrstr, ", ")
uiAttributedStringAppendUnattributed(attrstr, "and ")
attr = uiNewUnderlineAttribute(uiUnderlineDouble)
attr2 = uiNewUnderlineColorAttribute(uiUnderlineColorCustom, 1.0, 0.0, 0.5, 1.0)
appendWithAttribute("underline color", attr, attr2)
uiAttributedStringAppendUnattributed(attrstr, ". ")
uiAttributedStringAppendUnattributed(attrstr, "Furthermore, there are attributes allowing for ")
attr = uiNewUnderlineAttribute(uiUnderlineSuggestion)
attr2 = uiNewUnderlineColorAttribute(uiUnderlineColorSpelling, 0, 0, 0, 0)
appendWithAttribute("special underlines for indicating spelling errors", attr, attr2)
uiAttributedStringAppendUnattributed(attrstr, " (and other types of errors) ")
uiAttributedStringAppendUnattributed(attrstr, "and control over OpenType features such as ligatures (for instance, ")
otf = uiNewOpenTypeFeatures()
uiOpenTypeFeaturesAdd(otf, ASCII('l'), ASCII('i'), ASCII('g'), ASCII('a'), 0)
attr = uiNewFeaturesAttribute(otf)
appendWithAttribute("afford", attr, NULL)
uiAttributedStringAppendUnattributed(attrstr, " vs. ")
uiOpenTypeFeaturesAdd(otf, ASCII('l'), ASCII('i'), ASCII('g'), ASCII('a'), 1)
attr = uiNewFeaturesAttribute(otf)
appendWithAttribute("afford", attr, NULL)
uiFreeOpenTypeFeatures(otf)
uiAttributedStringAppendUnattributed(attrstr, ").\n")
uiAttributedStringAppendUnattributed(attrstr, "Use the controls opposite to the text to control properties of the text.")
func handlerDraw
defaultfont = new_uiFontDescriptor()
params = new_uiDrawTextLayoutParams()
set_uiDrawTextLayoutParams_String(params,attrstr)
uiFontButtonFont(fontButton, defaultFont)
set_uiDrawTextLayoutParams_DefaultFont(params,defaultFont)
set_uiDrawTextLayoutParams_Width(params,uiEventAreaWidth())
set_uiDrawTextLayoutParams_Align(params,uiComboboxSelected(alignment))
textLayout = uiDrawNewTextLayout(params)
uiDrawText(uiEventContext(), textLayout, 0, 0)
uiDrawFreeTextLayout(textLayout)
uiFreeFontButtonFont(defaultFont)
func onFontChanged
uiAreaQueueRedrawAll(area)
func onComboboxSelected
uiAreaQueueRedrawAll(area)
func onClosing
uiControlDestroy(mainwin)
uiQuit()
func shouldQuit
uiControlDestroy(mainwin)
func main
uiOnShouldQuit("shouldQuit()")
makeAttributedString()
mainwin = uiNewWindow("libui Text-Drawing Example", 640, 480, 1)
uiWindowSetMargined(mainwin, 1)
uiWindowOnClosing(mainwin, "onClosing()")
hbox = uiNewHorizontalBox()
uiBoxSetPadded(hbox, 1)
uiWindowSetChild(mainwin, hbox)
vbox = uiNewVerticalBox()
uiBoxSetPadded(vbox, 1)
uiBoxAppend(hbox, vbox, 0)
fontButton = uiNewFontButton()
uiFontButtonOnChanged(fontButton, "onFontChanged()")
uiBoxAppend(vbox, fontButton, 0)
form = uiNewForm()
uiFormSetPadded(form, 1)
uiBoxAppend(vbox, form, 0)
alignment = uiNewCombobox()
uiComboboxAppend(alignment, "Left")
uiComboboxAppend(alignment, "Center")
uiComboboxAppend(alignment, "Right")
uiComboboxSetSelected(alignment, 0) //左列から開始
uiComboboxOnSelected(alignment, "onComboboxSelected()")
uiFormAppend(form, "Alignment", alignment, 0)
oAreaHandler = uiNewAreaHandler("handlerDraw()","","","","")
area = uiNewArea(oAreaHandler)
uiBoxAppend(hbox, area, 1)
uiControlShow(mainwin)
uiMain()
uiFreeAttributedString(attrstr)
スクリーンショット:
追加サンプル集の描画¶
用例 (1):
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
oWindow = uiNewWindow( "Drawing Sample", 400, 400, True)
uiWindowOnClosing(oWindow,"closeApp()")
oAreaHandler = uiNewAreaHandler("draw()","","","","")
area = uiNewArea(oAreaHandler)
btnClose = uiNewButton("Close Application")
uiButtonOnClicked(btnClose,"closeApp()")
hbox = uiNewVerticalBox()
uiBoxSetPadded(hbox, 1)
uiBoxAppend(hbox,btnClose,0)
uiBoxAppend(hbox,area,1)
uiWindowSetChild(oWindow, hbox)
uiControlShow( oWindow )
uiMain()
func draw
nWidth = uiEventAreaWidth() nHeight = uiEventAreaHeight()
source = new_uiDrawBrush()
sp = new_uiDrawStrokeParams()
source = uiNewSolidBrush(colorBlue)
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapFlat)
set_uiDrawStrokeParams_Join(sp,uiDrawLineJoinMiter)
set_uiDrawStrokeParams_MiterLimit(sp,uiDrawDefaultMiterLimit)
set_uiDrawStrokeParams_NumDashes(sp,0)
set_uiDrawStrokeParams_DashPhase(sp,0)
set_uiDrawStrokeParams_Thickness(sp,40.96)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, 76.8, 84.48)
uiDrawPathLineTo(path, 76.8 + 51.2, 84.48 -51.2)
uiDrawPathLineTo(path, 76.8 + 51.2 + 51.2, 84.48 - 51.2 + 51.2)
uiDrawPathEnd(path)
set_uiDrawStrokeParams_Join(sp,uiDrawLineJoinMiter)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, 76.8, 161.28)
uiDrawPathLineTo(path, 76.8 + 51.2, 161.28 -51.2)
uiDrawPathLineTo(path, 76.8 + 51.2 + 51.2, 161.28 - 51.2 + 51.2)
uiDrawPathEnd(path)
set_uiDrawStrokeParams_Join(sp,uiDrawLineJoinBevel)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, 76.8, 238.08)
uiDrawPathLineTo(path, 76.8 + 51.2, 238.08 -51.2)
uiDrawPathLineTo(path, 76.8 + 51.2 + 51.2, 238.08 - 51.2 + 51.2)
uiDrawPathEnd(path)
set_uiDrawStrokeParams_Join(sp,uiDrawLineJoinRound)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
func closeApp
uiQuit()
スクリーンショット:
用例 (2):
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
oWindow = uiNewWindow( "Drawing Sample", 400, 400, True)
uiWindowOnClosing(oWindow,"closeApp()")
oAreaHandler = uiNewAreaHandler("draw()","","","","")
area = uiNewArea(oAreaHandler)
btnClose = uiNewButton("Close Application")
uiButtonOnClicked(btnClose,"closeApp()")
hbox = uiNewVerticalBox()
uiBoxSetPadded(hbox, 1)
uiBoxAppend(hbox,btnClose,0)
uiBoxAppend(hbox,area,1)
uiWindowSetChild(oWindow, hbox)
uiControlShow( oWindow )
uiMain()
func draw
nWidth = uiEventAreaWidth() nHeight = uiEventAreaHeight()
source = new_uiDrawBrush()
sp = new_uiDrawStrokeParams()
source = uiNewSolidBrush(colorBlack)
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapFlat)
set_uiDrawStrokeParams_Join(sp,uiDrawLineJoinMiter)
set_uiDrawStrokeParams_MiterLimit(sp,uiDrawDefaultMiterLimit)
set_uiDrawStrokeParams_NumDashes(sp,0)
set_uiDrawStrokeParams_DashPhase(sp,0)
set_uiDrawStrokeParams_Thickness(sp,30)
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapFlat)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, 64.0, 50.0)
uiDrawPathLineTo(path, 64.0, 200.0)
uiDrawPathEnd(path)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapRound)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, 128.0, 50.0)
uiDrawPathLineTo(path, 128.0, 200.0)
uiDrawPathEnd(path)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapSquare)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, 192.0, 50.0)
uiDrawPathLineTo(path, 192.0, 200.0)
uiDrawPathEnd(path)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
// 補助線の描画
// 正方形の上限を守るためにウェブサイトに掲載されている基準画像と一致させる。
uiCrSourceRGBA(source, 1, 0.2, 0.2, 1)
set_uiDrawStrokeParams_Thickness(sp,2.56)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, 64.0, 50.0)
uiDrawPathLineTo(path, 64.0, 200.0)
uiDrawPathNewFigure(path, 128.0, 50.0)
uiDrawPathLineTo(path, 128.0, 200.0)
uiDrawPathNewFigure(path, 192.0, 50.0)
uiDrawPathLineTo(path, 192.0, 200.0)
uiDrawPathEnd(path)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
func closeApp
uiQuit()
スクリーンショット:
用例 (3):
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
oWindow = uiNewWindow( "Drawing Sample", 260, 300, True)
uiWindowOnClosing(oWindow,"closeApp()")
oAreaHandler = uiNewAreaHandler("draw()","","","","")
area = uiNewArea(oAreaHandler)
btnClose = uiNewButton("Close Application")
uiButtonOnClicked(btnClose,"closeApp()")
hbox = uiNewVerticalBox()
uiBoxSetPadded(hbox, 1)
uiBoxAppend(hbox,btnClose,0)
uiBoxAppend(hbox,area,1)
uiWindowSetChild(oWindow, hbox)
uiControlShow( oWindow )
uiMain()
func draw
nWidth = uiEventAreaWidth() nHeight = uiEventAreaHeight()
source = new_uiDrawBrush()
sp = new_uiDrawStrokeParams()
x = 25.6
y = 25.6
width = 204.8
height = 204.8
aspect = 1.0
corner_radius = height
radius = corner_radius / aspect
degrees = uiPi / 180.0
source = uiNewSolidBrush(colorBlue)
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapFlat)
set_uiDrawStrokeParams_Join(sp,uiDrawLineJoinMiter)
set_uiDrawStrokeParams_MiterLimit(sp,uiDrawDefaultMiterLimit)
set_uiDrawStrokeParams_NumDashes(sp,0)
set_uiDrawStrokeParams_DashPhase(sp,0)
set_uiDrawStrokeParams_Thickness(sp,30)
path = uiDrawNewPath(uiDrawFillModeWinding)
// 右上角
uiDrawPathNewFigureWithArc(path,
x + width - radius, y + radius,
radius,
-90 * degrees, uiPi / 2,
0)
// 右下角
uiDrawPathArcTo(path,
x + width - radius, y + height - radius,
radius,
0 * degrees, uiPi / 2,
0)
// 左下角
uiDrawPathArcTo(path,
x + radius, y + height - radius,
radius,
90 * degrees, uiPi / 2,
0)
// 左上角
uiDrawPathArcTo(path,
x + radius, y + radius,
radius,
180 * degrees, uiPi / 2,
0)
uiDrawPathCloseFigure(path)
uiDrawPathEnd(path)
uiCrSourceRGBA(source, 0.5, 0.5, 1, 1)
uiDrawFill(uiEventContext(), path, source)
uiCrSourceRGBA(source, 0.5, 0, 0, 0.5)
set_uiDrawStrokeParams_Thickness(sp,10)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
func closeApp
uiQuit()
スクリーンショット:
用例 (4):
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
oWindow = uiNewWindow( "Drawing Sample", 300, 300, True)
uiWindowOnClosing(oWindow,"closeApp()")
oAreaHandler = uiNewAreaHandler("draw()","","","","")
area = uiNewArea(oAreaHandler)
btnClose = uiNewButton("Close Application")
uiButtonOnClicked(btnClose,"closeApp()")
hbox = uiNewVerticalBox()
uiBoxSetPadded(hbox, 1)
uiBoxAppend(hbox,btnClose,0)
uiBoxAppend(hbox,area,1)
uiWindowSetChild(oWindow, hbox)
uiControlShow( oWindow )
uiMain()
func draw
nWidth = uiEventAreaWidth() nHeight = uiEventAreaHeight()
source = new_uiDrawBrush()
sp = new_uiDrawStrokeParams()
source = uiNewSolidBrush(colorBlue)
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapFlat)
set_uiDrawStrokeParams_Join(sp,uiDrawLineJoinMiter)
set_uiDrawStrokeParams_MiterLimit(sp,uiDrawDefaultMiterLimit)
set_uiDrawStrokeParams_NumDashes(sp,0)
set_uiDrawStrokeParams_DashPhase(sp,0)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, 50.0, 75.0)
uiDrawPathLineTo(path, 200.0, 75.0)
uiDrawPathNewFigure(path, 50.0, 125.0)
uiDrawPathLineTo(path, 200.0, 125.0)
uiDrawPathNewFigure(path, 50.0, 175.0)
uiDrawPathLineTo(path, 200.0, 175.0)
uiDrawPathEnd(path)
set_uiDrawStrokeParams_Thickness(sp,30)
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapRound)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
func closeApp
uiQuit()
スクリーンショット:
用例 (5):
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
oWindow = uiNewWindow( "Drawing Sample", 260, 300, True)
uiWindowOnClosing(oWindow,"closeApp()")
oAreaHandler = uiNewAreaHandler("draw()","","","","")
area = uiNewArea(oAreaHandler)
btnClose = uiNewButton("Close Application")
uiButtonOnClicked(btnClose,"closeApp()")
hbox = uiNewVerticalBox()
uiBoxSetPadded(hbox, 1)
uiBoxAppend(hbox,btnClose,0)
uiBoxAppend(hbox,area,1)
uiWindowSetChild(oWindow, hbox)
uiControlShow( oWindow )
uiMain()
func draw
nWidth = uiEventAreaWidth() nHeight = uiEventAreaHeight()
source = new_uiDrawBrush()
sp = new_uiDrawStrokeParams()
m = new_uiDrawMatrix()
source = uiNewSolidBrush(colorBlue)
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapFlat)
set_uiDrawStrokeParams_Join(sp,uiDrawLineJoinMiter)
set_uiDrawStrokeParams_MiterLimit(sp,uiDrawDefaultMiterLimit)
set_uiDrawStrokeParams_NumDashes(sp,0)
set_uiDrawStrokeParams_DashPhase(sp,0)
set_uiDrawStrokeParams_Thickness(sp,6)
path = uiDrawNewPath(uiDrawFillModeAlternate)
uiDrawPathAddRectangle(path, 12, 12, 232, 70)
uiDrawPathNewFigureWithArc(path,
64, 64,
40,
0, 2*uiPi,
0)
uiDrawPathNewFigureWithArc(path,
192, 64,
40,
0, -2*uiPi,
1)
uiDrawPathEnd(path)
uicrsourcergba(source, 0, 0.7, 0, 1)
uiDrawFill(uiEventContext(), path, source)
uicrsourcergba(source, 0, 0, 0, 1)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
uiDrawMatrixSetIdentity(m)
uiDrawMatrixTranslate(m, 0, 128)
uiDrawTransform(uiEventContext(), m)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathAddRectangle(path, 12, 12, 232, 70)
uiDrawPathNewFigureWithArc(path,
64, 64,
40,
0, 2*uiPi,
0)
uiDrawPathNewFigureWithArc(path,
192, 64,
40,
0, -2*uiPi,
1)
uiDrawPathEnd(path)
uicrsourcergba(source, 0, 0, 0.9, 1)
uiDrawFill(uiEventContext(), path, source)
uicrsourcergba(source, 0, 0, 0, 1)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
func closeApp
uiQuit()
スクリーンショット:
用例 (6):
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
oWindow = uiNewWindow( "Drawing Sample", 260, 300, True)
uiWindowOnClosing(oWindow,"closeApp()")
oAreaHandler = uiNewAreaHandler("draw()","","","","")
area = uiNewArea(oAreaHandler)
btnClose = uiNewButton("Close Application")
uiButtonOnClicked(btnClose,"closeApp()")
hbox = uiNewVerticalBox()
uiBoxSetPadded(hbox, 1)
uiBoxAppend(hbox,btnClose,0)
uiBoxAppend(hbox,area,1)
uiWindowSetChild(oWindow, hbox)
uiControlShow( oWindow )
uiMain()
func draw
nWidth = uiEventAreaWidth() nHeight = uiEventAreaHeight()
source = new_uiDrawBrush()
sp = new_uiDrawStrokeParams()
source = uiNewSolidBrush(colorBlue)
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapFlat)
set_uiDrawStrokeParams_Join(sp,uiDrawLineJoinMiter)
set_uiDrawStrokeParams_MiterLimit(sp,uiDrawDefaultMiterLimit)
set_uiDrawStrokeParams_NumDashes(sp,0)
set_uiDrawStrokeParams_DashPhase(sp,0)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, 128.0, 25.6)
uiDrawPathLineTo(path, 230.4, 230.4)
uiDrawPathLineTo(path, 230.4 - 102.4, 230.4 + 0.0)
uiDrawPathBezierTo(path, 51.2, 230.4, 51.2, 128.0, 128.0, 128.0)
uiDrawPathCloseFigure(path)
uiDrawPathNewFigure(path, 64.0, 25.6)
uiDrawPathLineTo(path, 64.0 + 51.2, 25.6 + 51.2)
uiDrawPathLineTo(path, 64.0 + 51.2 -51.2, 25.6 + 51.2 + 51.2)
uiDrawPathLineTo(path, 64.0 + 51.2 -51.2 -51.2, 25.6 + 51.2 + 51.2 -51.2)
uiDrawPathCloseFigure(path)
uiDrawPathEnd(path)
set_uiDrawStrokeParams_Thickness(sp,10)
uicrsourcergba(source, 0, 0, 1, 1)
uiDrawFill(uiEventContext(), path, source)
uicrsourcergba(source, 0, 0, 0, 1)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
func closeApp
uiQuit()
スクリーンショット:
用例 (7):
# このサンプルは Ring 移植版です。
# 原作のサンプルはこちらから : https://github.com/andlabs/libui
load "libui.ring"
oWindow = uiNewWindow( "Drawing Sample", 260, 300, True)
uiWindowOnClosing(oWindow,"closeApp()")
oAreaHandler = uiNewAreaHandler("draw()","","","","")
area = uiNewArea(oAreaHandler)
btnClose = uiNewButton("Close Application")
uiButtonOnClicked(btnClose,"closeApp()")
hbox = uiNewVerticalBox()
uiBoxSetPadded(hbox, 1)
uiBoxAppend(hbox,btnClose,0)
uiBoxAppend(hbox,area,1)
uiWindowSetChild(oWindow, hbox)
uiControlShow( oWindow )
uiMain()
func draw
nWidth = uiEventAreaWidth() nHeight = uiEventAreaHeight()
source = new_uiDrawBrush()
sp = new_uiDrawStrokeParams()
source = uiNewSolidBrush(colorBlue)
x=25.6 y=128.0
x1=102.4 y1=230.4
x2=153.6 y2=25.6
x3=230.4 y3=128.0
uicrsourcergba(source, 0, 0, 0, 1)
set_uiDrawStrokeParams_Cap(sp,uiDrawLineCapFlat)
set_uiDrawStrokeParams_Join(sp,uiDrawLineJoinMiter)
set_uiDrawStrokeParams_MiterLimit(sp,uiDrawDefaultMiterLimit)
set_uiDrawStrokeParams_NumDashes(sp,0)
set_uiDrawStrokeParams_DashPhase(sp,0)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, x, y)
uiDrawPathBezierTo(path, x1, y1, x2, y2, x3, y3)
uiDrawPathEnd(path)
set_uiDrawStrokeParams_Thickness(sp,10)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
uicrsourcergba(source, 1, 0.2, 0.2, 0.6)
set_uiDrawStrokeParams_Thickness(sp,6)
path = uiDrawNewPath(uiDrawFillModeWinding)
uiDrawPathNewFigure(path, x, y)
uiDrawPathLineTo(path, x1, y1)
uiDrawPathNewFigure(path, x2, y2)
uiDrawPathLineTo(path, x3, y3)
uiDrawPathEnd(path)
uiDrawStroke(uiEventContext(), path, source, sp)
uiDrawFreePath(path)
func closeApp
uiQuit()
スクリーンショット:
