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examples: add license files for fonts
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Alexey
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@ -54,7 +54,7 @@ fn init(user_data voidptr) {
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C.sgl_setup(s)
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state.fons = sfons.create(512, 512, 1)
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// or use DroidSerif-Regular.ttf
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if bytes := os.read_bytes(os.resource_abs_path('assets/ProggyTiny.ttf')) {
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if bytes := os.read_bytes(os.resource_abs_path('../assets/fonts/RobotoMono-Regular.ttf')) {
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println('loaded font: $bytes.len')
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state.font_normal = C.fonsAddFontMem(state.fons, 'sans', bytes.data, bytes.len, false)
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}
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@ -1,180 +0,0 @@
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import sokol
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import sokol.sapp
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import sokol.gfx
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import sokol.sgl
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import sokol.sfons
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import os
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// import time
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#define FONS_USE_FREETYPE 1
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struct AppState {
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mut:
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pass_action C.sg_pass_action
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fons &C.FONScontext
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font_normal int
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}
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fn main() {
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mut color_action := sg_color_attachment_action{
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action: C.SG_ACTION_CLEAR
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}
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color_action.val[0] = 0.3
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color_action.val[1] = 0.3
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color_action.val[2] = 0.32
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color_action.val[3] = 1.0
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mut pass_action := sg_pass_action{}
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pass_action.colors[0] = color_action
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state := &AppState{
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pass_action: pass_action
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fons: &C.FONScontext(0)
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}
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title := 'V Metal/GL Text Rendering'
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desc := sapp_desc{
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user_data: state
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init_userdata_cb: init
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frame_userdata_cb: frame
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window_title: title.str
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html5_canvas_name: title.str
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}
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sapp.run(&desc)
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}
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fn init(user_data voidptr) {
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mut state := &AppState(user_data)
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// dont actually alocate this on the heap in real life
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gfx.setup(&sg_desc{
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mtl_device: C.sapp_metal_get_device()
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mtl_renderpass_descriptor_cb: sapp_metal_get_renderpass_descriptor
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mtl_drawable_cb: sapp_metal_get_drawable
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d3d11_device: sapp_d3d11_get_device()
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d3d11_device_context: sapp_d3d11_get_device_context()
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d3d11_render_target_view_cb: sapp_d3d11_get_render_target_view
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d3d11_depth_stencil_view_cb: sapp_d3d11_get_depth_stencil_view
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})
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s := &C.sgl_desc_t{}
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C.sgl_setup(s)
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state.fons = C.sfons_create(512, 512, 1)
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mut font_path := os.resource_abs_path('assets/DroidSerif-Regular.ttf')
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if !os.exists(font_path) {
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font_path = os.resource_abs_path('../tetris/RobotoMono-Regular.ttf')
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println(font_path)
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}
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if !os.exists(font_path) {
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println('failed to load $font_path')
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return
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}
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if bytes := os.read_bytes(font_path) {
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println('loaded font: $bytes.len')
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state.font_normal = C.fonsAddFontMem(state.fons, 'sans', bytes.data, bytes.len, false)
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}
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}
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fn frame(user_data voidptr) {
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// t:=time.ticks()
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mut state := &AppState(user_data)
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state.render_font()
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gfx.begin_default_pass(&state.pass_action, sapp_width(), sapp_height())
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sgl.draw()
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gfx.end_pass()
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gfx.commit()
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// println(time.ticks()-t)
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}
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fn (state mut AppState) render_font() {
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mut sx := 0.0
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mut sy := 0.0
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mut dx := 0.0
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mut dy := 0.0
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lh := 0.0
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white := C.sfons_rgba(255, 255, 255, 255)
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black := C.sfons_rgba(0, 0, 0, 255)
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brown := C.sfons_rgba(192, 128, 0, 128)
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blue := C.sfons_rgba(0, 192, 255, 255)
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state.fons.clear_state()
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sgl.defaults()
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sgl.matrix_mode_projection()
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sgl.ortho(0.0, f32(C.sapp_width()), f32(C.sapp_height()), 0.0, -1.0, 1.0)
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sx = 0
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sy = 50
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dx = sx
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dy = sy
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state.fons.set_font(state.font_normal)
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state.fons.set_size(100.0)
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ascender := 0.0
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descender := 0.0
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state.fons.vert_metrics(&ascender, &descender, &lh)
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dx = sx
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dy += lh
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C.fonsSetColor(state.fons, white)
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dx = C.fonsDrawText(state.fons, dx, dy, c'The 新 quick ', C.NULL)
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fonsSetFont(state.fons, state.font_normal)
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fonsSetSize(state.fons, 48.0)
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fonsSetColor(state.fons, brown)
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dx = fonsDrawText(state.fons, dx, dy, c'brown ', C.NULL)
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fonsSetFont(state.fons, state.font_normal)
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fonsSetSize(state.fons, 24.0)
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fonsSetColor(state.fons, white)
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dx = fonsDrawText(state.fons, dx, dy, c'fox ', C.NULL)
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dx = sx
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dy += lh * 1.2
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fonsSetSize(state.fons, 20.0)
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fonsSetFont(state.fons, state.font_normal)
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fonsSetColor(state.fons, blue)
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fonsDrawText(state.fons, dx, dy, c'Now is the time for all good men to come to the aid of the party.', C.NULL)
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dx = 300
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dy = 350
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fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
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fonsSetSize(state.fons, 60.0)
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fonsSetFont(state.fons, state.font_normal)
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fonsSetColor(state.fons, white)
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fonsSetSpacing(state.fons, 5.0)
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fonsSetBlur(state.fons, 6.0)
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fonsDrawText(state.fons, dx, dy, c'Blurry...', C.NULL)
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dx = 300
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dy += 50.0
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fonsSetSize(state.fons, 28.0)
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fonsSetFont(state.fons, state.font_normal)
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fonsSetColor(state.fons, white)
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fonsSetSpacing(state.fons, 0.0)
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fonsSetBlur(state.fons, 3.0)
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fonsDrawText(state.fons, dx, dy + 2, c'DROP SHADOW', C.NULL)
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fonsSetColor(state.fons, black)
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fonsSetBlur(state.fons, 0)
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fonsDrawText(state.fons, dx, dy, c'DROP SHADOW', C.NULL)
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fonsSetSize(state.fons, 18.0)
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fonsSetFont(state.fons, state.font_normal)
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fonsSetColor(state.fons, white)
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dx = 50
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dy = 350
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line(dx - 10, dy, dx + 250, dy)
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C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_TOP)
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dx = C.fonsDrawText(state.fons, dx, dy, c'Top', C.NULL)
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dx += 10
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C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_MIDDLE)
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dx = C.fonsDrawText(state.fons, dx, dy, c'Middle', C.NULL)
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dx += 10
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C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
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dx = C.fonsDrawText(state.fons, dx, dy, c'Baseline', C.NULL)
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dx += 10
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C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BOTTOM)
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C.fonsDrawText(state.fons, dx, dy, c'Bottom', C.NULL)
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dx = 150
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dy = 400
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line(dx, dy - 30, dx, dy + 80.0)
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C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
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C.fonsDrawText(state.fons, dx, dy, c'Left', C.NULL)
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dy += 30
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C.fonsSetAlign(state.fons, C.FONS_ALIGN_CENTER | C.FONS_ALIGN_BASELINE)
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C.fonsDrawText(state.fons, dx, dy, c'Center', C.NULL)
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dy += 30
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C.fonsSetAlign(state.fons, C.FONS_ALIGN_RIGHT | C.FONS_ALIGN_BASELINE)
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C.fonsDrawText(state.fons, dx, dy, c'Right', C.NULL)
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C.sfons_flush(state.fons)
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}
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fn line(sx f32, sy f32, ex f32, ey f32) {
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sgl.begin_lines()
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sgl.c4b(255, 255, 0, 128)
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sgl.v2f(sx, sy)
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sgl.v2f(ex, ey)
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sgl.end()
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}
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