109 lines
2.9 KiB
Lua
109 lines
2.9 KiB
Lua
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function make_paint(size, color)
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local paint = Sk.newPaint();
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paint:setAntiAlias(true)
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paint:setTextSize(size)
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paint:setColor(color)
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return paint
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end
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function find_paint(paints, style)
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if not style then
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style = "child"
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end
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local paint = paints[style]
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return paint
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end
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function draw_node(canvas, node, x, y, paints)
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if node.text then
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local paint = find_paint(paints, node.style)
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canvas:drawText(node.text, x, y, paint)
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end
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if node.draw then
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node.draw(canvas)
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end
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end
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function drawSlide(canvas, slide, template, paints)
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draw_node(canvas, slide, template.title.x, template.title.y, paints)
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if slide.children then
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local x = template.child.x
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local y = template.child.y
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local dy = template.child.dy
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for i = 1, #slide.children do
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draw_node(canvas, slide.children[i], x, y, paints)
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y = y + dy
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end
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end
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end
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--------------------------------------------------------------------------------------
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gTemplate = {
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title = { x = 10, y = 64, textSize = 64 },
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child = { x = 40, y = 120, dy = 50, textSize = 40 },
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}
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gPaints = {}
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gPaints.title = make_paint(gTemplate.title.textSize, { a=1, r=0, g=0, b=0 } )
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gPaints.child = make_paint(gTemplate.child.textSize, { a=.75, r=0, g=0, b=0 } )
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gRedPaint = Sk.newPaint()
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gRedPaint:setAntiAlias(true)
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gRedPaint:setColor{a=1, r=1, g=0, b=0 }
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gSlides = {
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{ text = "Title1", style="title", color = { a=1, r=1, g=0, b=0 },
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children = {
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{ text = "bullet 1", style = "child" },
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{ text = "bullet 2", style = "child" },
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{ text = "bullet 3", style = "child" },
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{ draw = function (canvas)
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canvas:drawOval({left=300, top=300, right=400, bottom=400}, gRedPaint)
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end },
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},
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},
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{ text = "Title2", style="title", color = { a=1, r=0, g=1, b=0 },
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children = {
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{ text = "bullet uno", style = "child" },
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{ text = "bullet 2", style = "child" },
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{ text = "bullet tres", style = "child" },
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}
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},
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{ text = "Title3", style="title",
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children = {
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{ text = "bullet 1", style = "child", },
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{ text = "bullet 2", style = "child", color = { r=0, g=0, b=1 } },
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{ text = "bullet 3", style = "child" },
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}
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}
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}
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gSlideIndex = 1
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--------------------------------------------------------------------------------------
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function onDrawContent(canvas)
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drawSlide(canvas, gSlides[gSlideIndex], gTemplate, gPaints)
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return false -- we're not animating
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end
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function onClickHandler(x, y)
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if x < 100 and y < 100 then
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onNextSlide()
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return true
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end
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return false
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end
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function onNextSlide()
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gSlideIndex = gSlideIndex + 1
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if gSlideIndex > #gSlides then
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gSlideIndex = 1
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end
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end
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