new globals: draw partial screen line up top
I'm not setting these yet. Rendering seems to be working after manually setting them.
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parent
1573dd8425
commit
3ec8019cc0
3
main.lua
3
main.lua
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@ -47,6 +47,8 @@ Cursor_x, Cursor_y = 0, 0 -- in pixels
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-- scrolling support
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Screen_top_line = 1
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Screen_bottom_line = 1
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Top_screen_line_starting_pos = 1 -- when top of screen starts in between a wrapped line
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Bottom_screen_line_starting_pos = 1 -- when bottom of screen starts in between a wrapped line
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Current_drawing_mode = 'line'
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Previous_drawing_mode = nil
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@ -66,6 +68,7 @@ function love.load(arg)
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Screen_height = Screen_height-100
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love.window.setMode(Screen_width, Screen_height)
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love.window.setTitle('Text with Lines')
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--? Line_width = 100
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Line_width = math.floor(Screen_width/2/40)*40
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love.keyboard.setTextInput(true) -- bring up keyboard on touch screen
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love.keyboard.setKeyRepeat(true)
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8
text.lua
8
text.lua
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@ -19,7 +19,9 @@ function Text.draw(line, line_width, line_index)
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local frag_width = math.floor(frag_text:getWidth()*Zoom)
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if x + frag_width > line_width then
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assert(x > 25) -- no overfull lines
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y = y + math.floor(15*Zoom)
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if line_index > Screen_top_line or pos >= Top_screen_line_starting_pos then
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y = y + math.floor(15*Zoom)
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end
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x = 25
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if line.screen_line_starting_pos == nil then
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line.screen_line_starting_pos = {1, pos}
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@ -27,7 +29,9 @@ function Text.draw(line, line_width, line_index)
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table.insert(line.screen_line_starting_pos, pos)
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end
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end
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love.graphics.draw(frag_text, x,y, 0, Zoom)
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if line_index > Screen_top_line or pos >= Top_screen_line_starting_pos then
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love.graphics.draw(frag_text, x,y, 0, Zoom)
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end
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-- render cursor if necessary
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local frag_len = utf8.len(frag)
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if line_index == Cursor_line then
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