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author | Kartik K. Agaram <vc@akkartik.com> | 2022-05-22 23:17:06 -0700 |
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committer | Kartik K. Agaram <vc@akkartik.com> | 2022-05-22 23:17:06 -0700 |
commit | 46d4c4de10b31a82664364364c911e1d8a08c0e5 (patch) | |
tree | 0b29abc7e7a8ae1aee396928da96e3e6d533ed51 /text.lua | |
parent | 8aa72be226e13b1af7ab09a7dc1eec4a95a82f82 (diff) | |
download | view.love-46d4c4de10b31a82664364364c911e1d8a08c0e5.tar.gz |
first test!
Diffstat (limited to 'text.lua')
-rw-r--r-- | text.lua | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/text.lua b/text.lua index 1f2e9bd..53f8e1b 100644 --- a/text.lua +++ b/text.lua @@ -23,7 +23,7 @@ function Text.draw(line, line_width, line_index) for _, f in ipairs(line.fragments) do local frag, frag_text = f.data, f.text -- render fragment - local frag_width = math.floor(frag_text:getWidth()*Zoom) + local frag_width = math.floor(App.width(frag_text)*Zoom) if x + frag_width > line_width then assert(x > 25) -- no overfull lines if line_index > Screen_top1.line or pos > Screen_top1.pos then @@ -47,7 +47,7 @@ function Text.draw(line, line_width, line_index) if Debug_new_render then print('checking to draw', pos, Screen_top1.pos) end if line_index > Screen_top1.line or pos >= Screen_top1.pos then if Debug_new_render then print('drawing '..frag) end - love.graphics.draw(frag_text, x,y, 0, Zoom) + App.screen.draw(frag_text, x,y, 0, Zoom) end -- render cursor if necessary local frag_len = utf8.len(frag) @@ -78,13 +78,32 @@ function Text.draw_cursor(x, y) Cursor_y = y+math.floor(15*Zoom) end +function test_draw_text() + App.screen.init{width=120, height=60} + Lines = load_array{'abc', 'def', 'ghi'} + Line_width = 120 + Cursor1 = {line=1, pos=1} + Screen_top1 = {line=1, pos=1} + Screen_bottom1 = {} + Zoom = 1 + App.draw() + local screen_top_margin = 15 -- pixels + local line_height = 15 -- pixels + local y = screen_top_margin + App.screen.check(y, 'abc', 'F - test_draw_text/screen:1') + y = y + line_height + App.screen.check(y, 'def', 'F - test_draw_text/screen:2') + y = y + line_height + App.screen.check(y, 'ghi', 'F - test_draw_text/screen:3') +end + function Text.compute_fragments(line, line_width) line.fragments = {} local x = 25 -- try to wrap at word boundaries for frag in line.data:gmatch('%S*%s*') do - local frag_text = love.graphics.newText(love.graphics.getFont(), frag) - local frag_width = math.floor(frag_text:getWidth()*Zoom) + local frag_text = App.newText(love.graphics.getFont(), frag) + local frag_width = math.floor(App.width(frag_text)*Zoom) --? print('x: '..tostring(x)..'; '..tostring(line_width-x)..'px to go') --? print('frag: ^'..frag..'$ is '..tostring(frag_width)..'px wide') if x + frag_width > line_width then @@ -95,13 +114,13 @@ function Text.compute_fragments(line, line_width) local b = Text.nearest_cursor_pos(frag, line_width - x) --? print('space for '..tostring(b)..' graphemes') local frag1 = string.sub(frag, 1, b) - local frag1_text = love.graphics.newText(love.graphics.getFont(), frag1) - local frag1_width = math.floor(frag1_text:getWidth()*Zoom) + local frag1_text = App.newText(love.graphics.getFont(), frag1) + local frag1_width = math.floor(frag1App.width(_text)*Zoom) --? print('inserting '..frag1..' of width '..tostring(frag1_width)..'px') table.insert(line.fragments, {data=frag1, text=frag1_text}) frag = string.sub(frag, b+1) - frag_text = love.graphics.newText(love.graphics.getFont(), frag) - frag_width = math.floor(frag_text:getWidth()*Zoom) + frag_text = App.newText(love.graphics.getFont(), frag) + frag_width = math.floor(App.width(frag_text)*Zoom) end x = 25 -- new line end @@ -479,14 +498,14 @@ end function Text.cursor_x(line_data, cursor_pos) local line_before_cursor = line_data:sub(1, cursor_pos-1) - local text_before_cursor = love.graphics.newText(love.graphics.getFont(), line_before_cursor) - return 25 + math.floor(text_before_cursor:getWidth()*Zoom) + local text_before_cursor = App.newText(love.graphics.getFont(), line_before_cursor) + return 25 + math.floor(App.width(text_before_cursor)*Zoom) end function Text.cursor_x2(s, cursor_pos) local s_before_cursor = s:sub(1, cursor_pos-1) - local text_before_cursor = love.graphics.newText(love.graphics.getFont(), s_before_cursor) - return math.floor(text_before_cursor:getWidth()*Zoom) + local text_before_cursor = App.newText(love.graphics.getFont(), s_before_cursor) + return math.floor(App.width(text_before_cursor)*Zoom) end function Text.to2(pos1) |