100 lines
2.3 KiB
Odin
100 lines
2.3 KiB
Odin
package sectr
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import "core:unicode/utf8"
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import rl "vendor:raylib"
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debug_draw_text :: proc( content : string, pos : Vec2, size : f32 = 16.0, color : rl.Color = rl.WHITE, font : rl.Font = {} )
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{
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state := get_state(); using state
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if len( content ) == 0 {
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return
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}
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runes := utf8.string_to_runes( content, context.temp_allocator )
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font := font
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if ( font.glyphs == nil ) {
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font = default_font
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}
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pos := screen_to_render(pos)
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rl.DrawTextCodepoints( font,
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raw_data(runes), cast(i32) len(runes),
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position = transmute(rl.Vector2) pos,
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fontSize = size,
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spacing = 0.0,
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tint = color );
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}
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// Raylib's equivalent doesn't take a length for the string (making it a pain in the ass)
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// So this is a 1:1 copy except it takes Odin strings
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measure_text_size :: proc ( text : string, font : Font, font_size, spacing : f32 ) -> AreaSize
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{
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// This is a static var within raylib. We don't have getter access to it.
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@static text_line_spacing : f32 = 15
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text_size : AreaSize
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if font.texture.id == 0 || len(text) == 0 {
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return text_size
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}
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temp_byte_counter : i32 = 0 // Used to count longer text line num chars
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byte_counter : i32 = 0
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text_width : f32 = 0.0
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temp_text_width : f32 = 0.0 // Used to counter longer text line width
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text_height := cast(f32) font.baseSize
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scale_factor := font_size / text_height
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letter : rune
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index : i32 = 0
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for id : i32 = 0; id < i32(len(text)); {
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byte_counter += 1
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next : i32 = 0
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ctext := cast(cstring) ( & raw_data( text )[id] )
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letter = rl.GetCodepointNext( ctext, & next )
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index = rl.GetGlyphIndex( font, letter )
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id += 1
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if letter != rune('\n')
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{
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if font.glyphs[index].advanceX != 0 {
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text_width += f32(font.glyphs[index].advanceX)
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}
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else {
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text_width += font.recs[index].width + f32(font.glyphs[index].offsetX)
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}
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}
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else
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{
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if temp_text_width < text_width {
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temp_text_width = text_width
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}
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byte_counter = 0
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text_width = 0
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text_height += text_line_spacing
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if temp_byte_counter < byte_counter {
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temp_byte_counter = byte_counter
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}
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}
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}
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if temp_text_width < text_width {
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temp_text_width = text_width
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}
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text_size.x = temp_text_width * scale_factor + f32(temp_byte_counter - 1) * spacing
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text_size.y = text_height * scale_factor
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return text_size
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}
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