gg,sokol,stbi,gx,fontstash: cleanup for -Wimpure-v

cmd/tools/vtest-cleancode.v

@@ -46,7 +46,6 @@ const (
 		'vlib/regex/regex_test.v' /* contains meaningfull formatting of the test case data */,
 		'vlib/readline/readline_test.v' /* vfmt eats `{ Readline }` from `import readline { Readline }` */,
 		'vlib/glm/glm.v' /* `mut res &f32` => `mut res f32`, which then fails to compile */,
-		'vlib/fontstash/fontstash_structs.v' /* eats fn arg names for inline callback types in struct field declarations */,
 		'vlib/crypto/sha512/sha512block_generic.v' /* formatting of large constant arrays wraps to too many lines */,
 		'vlib/crypto/aes/const.v' /* formatting of large constant arrays wraps to too many lines */,
 	])

vlib/fontstash/fontstash_structs.c.v

@@ -0,0 +1,51 @@
+module fontstash
+
+pub struct C.FONSparams {
+	width   int
+	height  int
+	flags   char
+	userPtr voidptr
+	// int (*renderCreate)(void* uptr, int width, int height)
+	renderCreate fn (uptr voidptr, width int, height int) int
+	// int (*renderResize)(void* uptr, int width, int height)
+	renderResize fn (uptr voidptr, width int, height int) int
+	// void (*renderUpdate)(void* uptr, int* rect, const unsigned char* data)
+	renderUpdate fn (uptr voidptr, rect &int, data &byte)
+	// void (*renderDraw)(void* uptr, const float* verts, const float* tcoords, const unsigned int* colors, int nverts)
+	renderDraw fn (uptr voidptr, verts &f32, tcoords &f32, colors &u32, nverts int)
+	// void (*renderDelete)(void* uptr)
+	renderDelete fn (uptr voidptr)
+}
+
+pub struct C.FONSquad {
+	x0 f32
+	y0 f32
+	s0 f32
+	t0 f32
+	x1 f32
+	y1 f32
+	s1 f32
+	t1 f32
+}
+
+pub struct C.FONStextIter {
+	x              f32
+	y              f32
+	nextx          f32
+	nexty          f32
+	scale          f32
+	spacing        f32
+	codepoint      u32
+	isize          i16
+	iblur          i16
+	font           &C.FONSfont
+	prevGlyphIndex int
+	str            &byte
+	next           &byte
+	end            &byte
+	utf8state      u32
+}
+
+pub struct C.FONSfont {}
+
+pub struct C.FONScontext {}

vlib/fontstash/fontstash_structs.v

@@ -27,54 +27,3 @@ pub enum FonsErrorCode {
 	// Trying to pop too many states fonsPopState().
 	states_underflow = 4
 }
-
-pub struct C.FONSparams {
-	width int
-	height int
-	flags char
-	userPtr voidptr
-	// int (*renderCreate)(void* uptr, int width, int height)
-	renderCreate fn(uptr voidptr, width int, height int) int
-	// int (*renderResize)(void* uptr, int width, int height)
-	renderResize fn(uptr voidptr, width int, height int) int
-	// void (*renderUpdate)(void* uptr, int* rect, const unsigned char* data)
-	renderUpdate fn(uptr voidptr, rect &int, data byteptr)
-	// void (*renderDraw)(void* uptr, const float* verts, const float* tcoords, const unsigned int* colors, int nverts)
-	renderDraw fn(uptr voidptr, verts &f32, tcoords &f32, colors &u32, nverts int)
-	// void (*renderDelete)(void* uptr)
-	renderDelete fn(uptr voidptr)
-}
-
-pub struct C.FONSquad
-{
-	x0 f32
-	y0 f32
-	s0 f32
-	t0 f32
-	x1 f32
-	y1 f32
-	s1 f32
-	t1 f32
-}
-
-pub struct C.FONStextIter {
-	x f32
-	y f32
-	nextx f32
-	nexty f32
-	scale f32
-	spacing f32
-	codepoint u32
-	isize i16
-	iblur i16
-	font &C.FONSfont
-	prevGlyphIndex int
-	str byteptr
-	next byteptr
-	end byteptr
-	utf8state u32
-}
-
-pub struct C.FONSfont {}
-
-pub struct C.FONScontext {}

vlib/gg/gg.c.v

@@ -0,0 +1,278 @@
+// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license that can be found in the LICENSE file.
+
+module gg
+
+import os
+import gx
+import sokol
+import sokol.sapp
+import sokol.sgl
+import sokol.gfx
+import math
+
+pub struct Event {
+pub mut:
+	frame_count        u64
+	typ                sapp.EventType
+	key_code           KeyCode
+	char_code          u32
+	key_repeat         bool
+	modifiers          u32
+	mouse_button       MouseButton
+	mouse_x            f32
+	mouse_y            f32
+	mouse_dx           f32
+	mouse_dy           f32
+	scroll_x           f32
+	scroll_y           f32
+	num_touches        int
+	touches            [8]C.sapp_touchpoint
+	window_width       int
+	window_height      int
+	framebuffer_width  int
+	framebuffer_height int
+}
+
+[heap]
+pub struct Context {
+mut:
+	render_text bool = true
+	// a cache with all images created by the user. used for sokol image init and to save space
+	// (so that the user can store image ids, not entire Image objects)
+	image_cache   []Image
+	needs_refresh bool = true
+	ticks         int // for ui mode only
+pub:
+	native_rendering bool
+pub mut:
+	scale f32 = 1.0
+	// will get set to 2.0 for retina, will remain 1.0 for normal
+	width       int
+	height      int
+	clear_pass  C.sg_pass_action
+	window      C.sapp_desc
+	timage_pip  C.sgl_pipeline
+	config      Config
+	ft          &FT
+	font_inited bool
+	ui_mode     bool // do not redraw everything 60 times/second, but only when the user requests
+	frame       u64  // the current frame counted from the start of the application; always increasing
+	//
+	mbtn_mask     byte
+	mouse_buttons MouseButtons // typed version of mbtn_mask; easier to use for user programs
+	mouse_pos_x   int
+	mouse_pos_y   int
+	mouse_dx      int
+	mouse_dy      int
+	scroll_x      int
+	scroll_y      int
+	//
+	key_modifiers     Modifier // the current key modifiers
+	key_repeat        bool     // whether the pressed key was an autorepeated one
+	pressed_keys      [key_code_max]bool // an array representing all currently pressed keys
+	pressed_keys_edge [key_code_max]bool // true when the previous state of pressed_keys,
+	// *before* the current event was different
+}
+
+fn gg_init_sokol_window(user_data voidptr) {
+	mut g := unsafe { &Context(user_data) }
+	desc := sapp.create_desc()
+	/*
+	desc := C.sg_desc{
+		mtl_device: sapp.metal_get_device()
+		mtl_renderpass_descriptor_cb: sapp.metal_get_renderpass_descriptor
+		mtl_drawable_cb: sapp.metal_get_drawable
+		d3d11_device: sapp.d3d11_get_device()
+		d3d11_device_context: sapp.d3d11_get_device_context()
+		d3d11_render_target_view_cb: sapp.d3d11_get_render_target_view
+		d3d11_depth_stencil_view_cb: sapp.d3d11_get_depth_stencil_view
+	}
+	*/
+	gfx.setup(&desc)
+	sgl_desc := C.sgl_desc_t{}
+	sgl.setup(&sgl_desc)
+	g.scale = dpi_scale()
+	// is_high_dpi := sapp.high_dpi()
+	// fb_w := sapp.width()
+	// fb_h := sapp.height()
+	// println('g.scale=$g.scale is_high_dpi=$is_high_dpi fb_w=$fb_w fb_h=$fb_h')
+	// if g.config.init_text {
+	// `os.is_file()` won't work on Android if the font file is embedded into the APK
+	exists := $if !android { os.is_file(g.config.font_path) } $else { true }
+	if g.config.font_path != '' && !exists {
+		g.render_text = false
+	} else if g.config.font_path != '' && exists {
+		// t := time.ticks()
+		g.ft = new_ft(
+			font_path: g.config.font_path
+			custom_bold_font_path: g.config.custom_bold_font_path
+			scale: dpi_scale()
+		) or { panic(err) }
+		// println('FT took ${time.ticks()-t} ms')
+		g.font_inited = true
+	} else {
+		if g.config.font_bytes_normal.len > 0 {
+			g.ft = new_ft(
+				bytes_normal: g.config.font_bytes_normal
+				bytes_bold: g.config.font_bytes_bold
+				bytes_mono: g.config.font_bytes_mono
+				bytes_italic: g.config.font_bytes_italic
+				scale: sapp.dpi_scale()
+			) or { panic(err) }
+			g.font_inited = true
+		} else {
+			sfont := system_font_path()
+			if g.config.font_path != '' {
+				eprintln('font file "$g.config.font_path" does not exist, the system font ($sfont) was used instead.')
+			}
+
+			g.ft = new_ft(
+				font_path: sfont
+				custom_bold_font_path: g.config.custom_bold_font_path
+				scale: sapp.dpi_scale()
+			) or { panic(err) }
+			g.font_inited = true
+		}
+	}
+	//
+	mut pipdesc := C.sg_pipeline_desc{
+		label: c'alpha_image'
+	}
+	unsafe { vmemset(&pipdesc, 0, int(sizeof(pipdesc))) }
+
+	color_state := C.sg_color_state{
+		blend: C.sg_blend_state{
+			enabled: true
+			src_factor_rgb: gfx.BlendFactor(C.SG_BLENDFACTOR_SRC_ALPHA)
+			dst_factor_rgb: gfx.BlendFactor(C.SG_BLENDFACTOR_ONE_MINUS_SRC_ALPHA)
+		}
+	}
+	pipdesc.colors[0] = color_state
+
+	g.timage_pip = sgl.make_pipeline(&pipdesc)
+	//
+	if g.config.init_fn != voidptr(0) {
+		g.config.init_fn(g.config.user_data)
+	}
+	// Create images now that we can do that after sg is inited
+	if g.native_rendering {
+		return
+	}
+
+	for i in 0 .. g.image_cache.len {
+		if g.image_cache[i].simg.id == 0 {
+			g.image_cache[i].init_sokol_image()
+		}
+	}
+}
+
+//
+pub fn new_context(cfg Config) &Context {
+	mut g := &Context{
+		width: cfg.width
+		height: cfg.height
+		config: cfg
+		ft: 0
+		ui_mode: cfg.ui_mode
+		native_rendering: cfg.native_rendering
+	}
+	g.set_bg_color(cfg.bg_color)
+	// C.printf('new_context() %p\n', cfg.user_data)
+	window := C.sapp_desc{
+		user_data: g
+		init_userdata_cb: gg_init_sokol_window
+		frame_userdata_cb: gg_frame_fn
+		event_userdata_cb: gg_event_fn
+		fail_userdata_cb: gg_fail_fn
+		cleanup_userdata_cb: gg_cleanup_fn
+		window_title: &char(cfg.window_title.str)
+		html5_canvas_name: &char(cfg.window_title.str)
+		width: cfg.width
+		height: cfg.height
+		sample_count: cfg.sample_count
+		high_dpi: true
+		fullscreen: cfg.fullscreen
+		__v_native_render: cfg.native_rendering
+	}
+	g.window = window
+	return g
+}
+
+pub fn (ctx &Context) draw_circle_line(x f32, y f32, r int, segments int, c gx.Color) {
+	$if macos {
+		if ctx.native_rendering {
+			C.darwin_draw_circle(x - r + 1, ctx.height - (y + r + 3), r, c)
+			return
+		}
+	}
+	if c.a != 255 {
+		sgl.load_pipeline(ctx.timage_pip)
+	}
+	sgl.c4b(c.r, c.g, c.b, c.a)
+	nx := x * ctx.scale
+	ny := y * ctx.scale
+	nr := r * ctx.scale
+	mut theta := f32(0)
+	mut xx := f32(0)
+	mut yy := f32(0)
+	sgl.begin_line_strip()
+	for i := 0; i < segments + 1; i++ {
+		theta = 2.0 * f32(math.pi) * f32(i) / f32(segments)
+		xx = nr * math.cosf(theta)
+		yy = nr * math.sinf(theta)
+		sgl.v2f(xx + nx, yy + ny)
+	}
+	sgl.end()
+}
+
+pub fn high_dpi() bool {
+	return C.sapp_high_dpi()
+}
+
+pub fn screen_size() Size {
+	$if macos {
+		return C.gg_get_screen_size()
+	}
+	// TODO windows, linux, etc
+	return Size{}
+}
+
+fn C.WaitMessage()
+
+/*
+pub fn wait_events() {
+	unsafe {
+		$if macos {
+			#NSEvent *event = [NSApp nextEventMatchingMask:NSEventMaskAny
+			#untilDate:[NSDate distantFuture]
+			#inMode:NSDefaultRunLoopMode
+			#dequeue:YES];
+			#[NSApp sendEvent:event];
+		}
+		$if windows {
+			C.WaitMessage()
+		}
+	}
+}
+*/
+
+// TODO: Fix alpha
+pub fn (ctx &Context) draw_rect(x f32, y f32, w f32, h f32, c gx.Color) {
+	$if macos {
+		if ctx.native_rendering {
+			C.darwin_draw_rect(x, ctx.height - (y + h), w, h, c)
+			return
+		}
+	}
+	if c.a != 255 {
+		sgl.load_pipeline(ctx.timage_pip)
+	}
+	sgl.c4b(c.r, c.g, c.b, c.a)
+	sgl.begin_quads()
+	sgl.v2f(x * ctx.scale, y * ctx.scale)
+	sgl.v2f((x + w) * ctx.scale, y * ctx.scale)
+	sgl.v2f((x + w) * ctx.scale, (y + h) * ctx.scale)
+	sgl.v2f(x * ctx.scale, (y + h) * ctx.scale)
+	sgl.end()
+}

vlib/gg/gg.v

@@ -3,9 +3,7 @@
 
 module gg
 
-import os
 import gx
-import sokol
 import sokol.sapp
 import sokol.sgl
 import sokol.gfx
@@ -29,29 +27,6 @@ pub type FNUnClick = fn (x f32, y f32, button MouseButton, data voidptr)
 
 pub type FNChar = fn (c u32, data voidptr)
 
-pub struct Event {
-pub mut:
-	frame_count        u64
-	typ                sapp.EventType
-	key_code           KeyCode
-	char_code          u32
-	key_repeat         bool
-	modifiers          u32
-	mouse_button       MouseButton
-	mouse_x            f32
-	mouse_y            f32
-	mouse_dx           f32
-	mouse_dy           f32
-	scroll_x           f32
-	scroll_y           f32
-	num_touches        int
-	touches            [8]C.sapp_touchpoint
-	window_width       int
-	window_height      int
-	framebuffer_width  int
-	framebuffer_height int
-}
-
 pub struct Config {
 pub:
 	width         int
@@ -110,145 +85,12 @@ pub struct PenConfig {
 	thickness int = 1
 }
 
-[heap]
-pub struct Context {
-mut:
-	render_text bool = true
-	// a cache with all images created by the user. used for sokol image init and to save space
-	// (so that the user can store image ids, not entire Image objects)
-	image_cache   []Image
-	needs_refresh bool = true
-	ticks         int // for ui mode only
-pub:
-	native_rendering bool
-pub mut:
-	scale f32 = 1.0
-	// will get set to 2.0 for retina, will remain 1.0 for normal
-	width       int
-	height      int
-	clear_pass  C.sg_pass_action
-	window      C.sapp_desc
-	timage_pip  C.sgl_pipeline
-	config      Config
-	ft          &FT
-	font_inited bool
-	ui_mode     bool // do not redraw everything 60 times/second, but only when the user requests
-	frame       u64  // the current frame counted from the start of the application; always increasing
-	//
-	mbtn_mask     byte
-	mouse_buttons MouseButtons // typed version of mbtn_mask; easier to use for user programs
-	mouse_pos_x   int
-	mouse_pos_y   int
-	mouse_dx      int
-	mouse_dy      int
-	scroll_x      int
-	scroll_y      int
-	//
-	key_modifiers     Modifier // the current key modifiers
-	key_repeat        bool     // whether the pressed key was an autorepeated one
-	pressed_keys      [key_code_max]bool // an array representing all currently pressed keys
-	pressed_keys_edge [key_code_max]bool // true when the previous state of pressed_keys,
-	// *before* the current event was different
-}
-
 pub struct Size {
 pub:
 	width  int
 	height int
 }
 
-fn gg_init_sokol_window(user_data voidptr) {
-	mut g := unsafe { &Context(user_data) }
-	desc := sapp.create_desc()
-	/*
-	desc := C.sg_desc{
-		mtl_device: sapp.metal_get_device()
-		mtl_renderpass_descriptor_cb: sapp.metal_get_renderpass_descriptor
-		mtl_drawable_cb: sapp.metal_get_drawable
-		d3d11_device: sapp.d3d11_get_device()
-		d3d11_device_context: sapp.d3d11_get_device_context()
-		d3d11_render_target_view_cb: sapp.d3d11_get_render_target_view
-		d3d11_depth_stencil_view_cb: sapp.d3d11_get_depth_stencil_view
-	}
-	*/
-	gfx.setup(&desc)
-	sgl_desc := C.sgl_desc_t{}
-	sgl.setup(&sgl_desc)
-	g.scale = dpi_scale()
-	// is_high_dpi := sapp.high_dpi()
-	// fb_w := sapp.width()
-	// fb_h := sapp.height()
-	// println('g.scale=$g.scale is_high_dpi=$is_high_dpi fb_w=$fb_w fb_h=$fb_h')
-	// if g.config.init_text {
-	// `os.is_file()` won't work on Android if the font file is embedded into the APK
-	exists := $if !android { os.is_file(g.config.font_path) } $else { true }
-	if g.config.font_path != '' && !exists {
-		g.render_text = false
-	} else if g.config.font_path != '' && exists {
-		// t := time.ticks()
-		g.ft = new_ft(
-			font_path: g.config.font_path
-			custom_bold_font_path: g.config.custom_bold_font_path
-			scale: dpi_scale()
-		) or { panic(err) }
-		// println('FT took ${time.ticks()-t} ms')
-		g.font_inited = true
-	} else {
-		if g.config.font_bytes_normal.len > 0 {
-			g.ft = new_ft(
-				bytes_normal: g.config.font_bytes_normal
-				bytes_bold: g.config.font_bytes_bold
-				bytes_mono: g.config.font_bytes_mono
-				bytes_italic: g.config.font_bytes_italic
-				scale: sapp.dpi_scale()
-			) or { panic(err) }
-			g.font_inited = true
-		} else {
-			sfont := system_font_path()
-			if g.config.font_path != '' {
-				eprintln('font file "$g.config.font_path" does not exist, the system font ($sfont) was used instead.')
-			}
-
-			g.ft = new_ft(
-				font_path: sfont
-				custom_bold_font_path: g.config.custom_bold_font_path
-				scale: sapp.dpi_scale()
-			) or { panic(err) }
-			g.font_inited = true
-		}
-	}
-	//
-	mut pipdesc := C.sg_pipeline_desc{
-		label: c'alpha_image'
-	}
-	unsafe { C.memset(&pipdesc, 0, sizeof(pipdesc)) }
-
-	color_state := C.sg_color_state{
-		blend: C.sg_blend_state{
-			enabled: true
-			src_factor_rgb: gfx.BlendFactor(C.SG_BLENDFACTOR_SRC_ALPHA)
-			dst_factor_rgb: gfx.BlendFactor(C.SG_BLENDFACTOR_ONE_MINUS_SRC_ALPHA)
-		}
-	}
-	pipdesc.colors[0] = color_state
-
-	g.timage_pip = sgl.make_pipeline(&pipdesc)
-	//
-	if g.config.init_fn != voidptr(0) {
-		g.config.init_fn(g.config.user_data)
-	}
-	// Create images now that we can do that after sg is inited
-	if g.native_rendering {
-		return
-	}
-
-	for i in 0 .. g.image_cache.len {
-		if g.image_cache[i].simg.id == 0 {
-			g.image_cache[i].init_sokol_image()
-		}
-	}
-}
-
 fn gg_frame_fn(user_data voidptr) {
 	mut ctx := unsafe { &Context(user_data) }
 	ctx.frame++
@@ -402,38 +244,6 @@ fn gg_fail_fn(msg &char, user_data voidptr) {
 	}
 }
 
-//
-pub fn new_context(cfg Config) &Context {
-	mut g := &Context{
-		width: cfg.width
-		height: cfg.height
-		config: cfg
-		ft: 0
-		ui_mode: cfg.ui_mode
-		native_rendering: cfg.native_rendering
-	}
-	g.set_bg_color(cfg.bg_color)
-	// C.printf('new_context() %p\n', cfg.user_data)
-	window := C.sapp_desc{
-		user_data: g
-		init_userdata_cb: gg_init_sokol_window
-		frame_userdata_cb: gg_frame_fn
-		event_userdata_cb: gg_event_fn
-		fail_userdata_cb: gg_fail_fn
-		cleanup_userdata_cb: gg_cleanup_fn
-		window_title: &char(cfg.window_title.str)
-		html5_canvas_name: &char(cfg.window_title.str)
-		width: cfg.width
-		height: cfg.height
-		sample_count: cfg.sample_count
-		high_dpi: true
-		fullscreen: cfg.fullscreen
-		__v_native_render: cfg.native_rendering
-	}
-	g.window = window
-	return g
-}
-
 pub fn (gg &Context) run() {
 	sapp.run(&gg.window)
 }
@@ -448,26 +258,6 @@ pub fn (mut ctx Context) set_bg_color(c gx.Color) {
 		f32(c.a) / 255.0)
 }
 
-// TODO: Fix alpha
-pub fn (ctx &Context) draw_rect(x f32, y f32, w f32, h f32, c gx.Color) {
-	$if macos {
-		if ctx.native_rendering {
-			C.darwin_draw_rect(x, ctx.height - (y + h), w, h, c)
-			return
-		}
-	}
-	if c.a != 255 {
-		sgl.load_pipeline(ctx.timage_pip)
-	}
-	sgl.c4b(c.r, c.g, c.b, c.a)
-	sgl.begin_quads()
-	sgl.v2f(x * ctx.scale, y * ctx.scale)
-	sgl.v2f((x + w) * ctx.scale, y * ctx.scale)
-	sgl.v2f((x + w) * ctx.scale, (y + h) * ctx.scale)
-	sgl.v2f(x * ctx.scale, (y + h) * ctx.scale)
-	sgl.end()
-}
-
 [inline]
 pub fn (ctx &Context) draw_square(x f32, y f32, s f32, c gx.Color) {
 	ctx.draw_rect(x, y, s, s, c)
@@ -509,33 +299,6 @@ pub fn (ctx &Context) draw_empty_square(x f32, y f32, s f32, c gx.Color) {
 	ctx.draw_empty_rect(x, y, s, s, c)
 }
 
-pub fn (ctx &Context) draw_circle_line(x f32, y f32, r int, segments int, c gx.Color) {
-	$if macos {
-		if ctx.native_rendering {
-			C.darwin_draw_circle(x - r + 1, ctx.height - (y + r + 3), r, c)
-			return
-		}
-	}
-	if c.a != 255 {
-		sgl.load_pipeline(ctx.timage_pip)
-	}
-	sgl.c4b(c.r, c.g, c.b, c.a)
-	nx := x * ctx.scale
-	ny := y * ctx.scale
-	nr := r * ctx.scale
-	mut theta := f32(0)
-	mut xx := f32(0)
-	mut yy := f32(0)
-	sgl.begin_line_strip()
-	for i := 0; i < segments + 1; i++ {
-		theta = 2.0 * f32(math.pi) * f32(i) / f32(segments)
-		xx = nr * math.cosf(theta)
-		yy = nr * math.sinf(theta)
-		sgl.v2f(xx + nx, yy + ny)
-	}
-	sgl.end()
-}
-
 pub fn (ctx &Context) draw_circle(x f32, y f32, r f32, c gx.Color) {
 	ctx.draw_circle_with_segments(x, y, r, 10, c)
 }
@@ -890,14 +653,6 @@ pub fn (ctx &Context) draw_empty_poly(points []f32, c gx.Color) {
 	sgl.end()
 }
 
-pub fn screen_size() Size {
-	$if macos {
-		return C.gg_get_screen_size()
-	}
-	// TODO windows, linux, etc
-	return Size{}
-}
-
 // window_size returns the `Size` of the active window
 pub fn window_size() Size {
 	s := dpi_scale()
@@ -921,26 +676,3 @@ pub fn dpi_scale() f32 {
 	}
 	return s
 }
-
-pub fn high_dpi() bool {
-	return C.sapp_high_dpi()
-}
-
-fn C.WaitMessage()
-
-/*
-pub fn wait_events() {
-	unsafe {
-		$if macos {
-			#NSEvent *event = [NSApp nextEventMatchingMask:NSEventMaskAny
-			#untilDate:[NSDate distantFuture]
-			#inMode:NSDefaultRunLoopMode
-			#dequeue:YES];
-			#[NSApp sendEvent:event];
-		}
-		$if windows {
-			C.WaitMessage()
-		}
-	}
-}
-*/

vlib/gg/image.c.v

@@ -0,0 +1,169 @@
+// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license that can be found in the LICENSE file.
+module gg
+
+import os
+import stbi
+import sokol.gfx
+
+fn C.sg_isvalid() bool
+
+// TODO return ?Image
+pub fn (mut ctx Context) create_image(file string) Image {
+	// println('\ncreate_image("$file")')
+	if !os.exists(file) {
+		return Image{}
+	}
+	$if macos {
+		if ctx.native_rendering {
+			// return C.darwin_create_image(file)
+			mut img := C.darwin_create_image(file)
+			// println('created macos image: $img.path w=$img.width')
+			// C.printf('p = %p\n', img.data)
+			img.id = ctx.image_cache.len
+			ctx.image_cache << img
+			return img
+		}
+	}
+	if !C.sg_isvalid() {
+		// Sokol is not initialized yet, add stbi object to a queue/cache
+		// ctx.image_queue << file
+		stb_img := stbi.load(file) or { return Image{} }
+		img := Image{
+			width: stb_img.width
+			height: stb_img.height
+			nr_channels: stb_img.nr_channels
+			ok: false
+			data: stb_img.data
+			ext: stb_img.ext
+			path: file
+			id: ctx.image_cache.len
+		}
+		ctx.image_cache << img
+		return img
+	}
+	mut img := create_image(file)
+	img.id = ctx.image_cache.len
+	ctx.image_cache << img
+	return img
+}
+
+pub fn (mut img Image) init_sokol_image() &Image {
+	// println('\n init sokol image $img.path ok=$img.simg_ok')
+	mut img_desc := C.sg_image_desc{
+		width: img.width
+		height: img.height
+		num_mipmaps: 0
+		wrap_u: .clamp_to_edge
+		wrap_v: .clamp_to_edge
+		label: img.path.str
+		d3d11_texture: 0
+	}
+	img_desc.data.subimage[0][0] = C.sg_range{
+		ptr: img.data
+		size: size_t(img.nr_channels * img.width * img.height)
+	}
+	img.simg = C.sg_make_image(&img_desc)
+	img.simg_ok = true
+	img.ok = true
+	return img
+}
+
+// draw_image draws the provided image onto the screen
+pub fn (ctx &Context) draw_image(x f32, y f32, width f32, height f32, img_ &Image) {
+	$if macos {
+		if img_.id >= ctx.image_cache.len {
+			eprintln('gg: draw_image() bad img id $img_.id (img cache len = $ctx.image_cache.len)')
+			return
+		}
+		if ctx.native_rendering {
+			if img_.width == 0 {
+				return
+			}
+			if !os.exists(img_.path) {
+				return
+			}
+			C.darwin_draw_image(x, ctx.height - (y + height), width, height, img_)
+			return
+		}
+	}
+
+	ctx.draw_image_with_config(
+		img: img_
+		img_rect: Rect{x, y, width, height}
+		part_rect: Rect{0, 0, img_.width, img_.height}
+	)
+}
+
+// new_streaming_image returns a cached `image_idx` of a special image, that
+// can be updated *each frame* by calling:  gg.update_pixel_data(image_idx, buf)
+// ... where buf is a pointer to the actual pixel data for the image.
+// NB: you still need to call app.gg.draw_image after that, to actually draw it.
+pub fn (mut ctx Context) new_streaming_image(w int, h int, channels int, sicfg StreamingImageConfig) int {
+	mut img := Image{}
+	img.width = w
+	img.height = h
+	img.nr_channels = channels // 4 bytes per pixel for .rgba8, see pixel_format
+	mut img_desc := C.sg_image_desc{
+		width: img.width
+		height: img.height
+		pixel_format: sicfg.pixel_format
+		num_slices: 1
+		num_mipmaps: 1
+		usage: .stream
+		wrap_u: sicfg.wrap_u
+		wrap_v: sicfg.wrap_v
+		min_filter: sicfg.min_filter
+		mag_filter: sicfg.mag_filter
+		label: img.path.str
+	}
+	// Sokol requires that streamed images have NO .ptr/.size initially:
+	img_desc.data.subimage[0][0] = C.sg_range{
+		ptr: 0
+		size: size_t(0)
+	}
+	img.simg = C.sg_make_image(&img_desc)
+	img.simg_ok = true
+	img.ok = true
+	img_idx := ctx.cache_image(img)
+	return img_idx
+}
+
+// update_pixel_data is a helper for working with image streams (i.e. images,
+// that are updated dynamically by the CPU on each frame)
+pub fn (mut ctx Context) update_pixel_data(cached_image_idx int, buf &byte) {
+	mut image := ctx.get_cached_image_by_idx(cached_image_idx)
+	image.update_pixel_data(buf)
+}
+
+pub fn (mut img Image) update_pixel_data(buf &byte) {
+	mut data := C.sg_image_data{}
+	data.subimage[0][0].ptr = buf
+	data.subimage[0][0].size = size_t(img.width * img.height * img.nr_channels)
+	gfx.update_image(img.simg, &data)
+}
+
+// TODO copypasta
+pub fn (mut ctx Context) create_image_with_size(file string, width int, height int) Image {
+	if !C.sg_isvalid() {
+		// Sokol is not initialized yet, add stbi object to a queue/cache
+		// ctx.image_queue << file
+		stb_img := stbi.load(file) or { return Image{} }
+		img := Image{
+			width: width
+			height: height
+			nr_channels: stb_img.nr_channels
+			ok: false
+			data: stb_img.data
+			ext: stb_img.ext
+			path: file
+			id: ctx.image_cache.len
+		}
+		ctx.image_cache << img
+		return img
+	}
+	mut img := create_image(file)
+	img.id = ctx.image_cache.len
+	ctx.image_cache << img
+	return img
+}

vlib/gg/image.v

@@ -48,73 +48,6 @@ pub:
 	height f32
 }
 
-fn C.sg_isvalid() bool
-
-// TODO return ?Image
-pub fn (mut ctx Context) create_image(file string) Image {
-	// println('\ncreate_image("$file")')
-	if !os.exists(file) {
-		return Image{}
-	}
-	$if macos {
-		if ctx.native_rendering {
-			// return C.darwin_create_image(file)
-			mut img := C.darwin_create_image(file)
-			// println('created macos image: $img.path w=$img.width')
-			// C.printf('p = %p\n', img.data)
-			img.id = ctx.image_cache.len
-			ctx.image_cache << img
-			return img
-		}
-	}
-	if !C.sg_isvalid() {
-		// Sokol is not initialized yet, add stbi object to a queue/cache
-		// ctx.image_queue << file
-		stb_img := stbi.load(file) or { return Image{} }
-		img := Image{
-			width: stb_img.width
-			height: stb_img.height
-			nr_channels: stb_img.nr_channels
-			ok: false
-			data: stb_img.data
-			ext: stb_img.ext
-			path: file
-			id: ctx.image_cache.len
-		}
-		ctx.image_cache << img
-		return img
-	}
-	mut img := create_image(file)
-	img.id = ctx.image_cache.len
-	ctx.image_cache << img
-	return img
-}
-
-// TODO copypasta
-pub fn (mut ctx Context) create_image_with_size(file string, width int, height int) Image {
-	if !C.sg_isvalid() {
-		// Sokol is not initialized yet, add stbi object to a queue/cache
-		// ctx.image_queue << file
-		stb_img := stbi.load(file) or { return Image{} }
-		img := Image{
-			width: width
-			height: height
-			nr_channels: stb_img.nr_channels
-			ok: false
-			data: stb_img.data
-			ext: stb_img.ext
-			path: file
-			id: ctx.image_cache.len
-		}
-		ctx.image_cache << img
-		return img
-	}
-	mut img := create_image(file)
-	img.id = ctx.image_cache.len
-	ctx.image_cache << img
-	return img
-}
-
 // TODO remove this
 fn create_image(file string) Image {
 	if !os.exists(file) {
@@ -165,27 +98,6 @@ pub fn (mut ctx Context) get_cached_image_by_idx(image_idx int) &Image {
 	return &ctx.image_cache[image_idx]
 }
 
-pub fn (mut img Image) init_sokol_image() &Image {
-	// println('\n init sokol image $img.path ok=$img.simg_ok')
-	mut img_desc := C.sg_image_desc{
-		width: img.width
-		height: img.height
-		num_mipmaps: 0
-		wrap_u: .clamp_to_edge
-		wrap_v: .clamp_to_edge
-		label: img.path.str
-		d3d11_texture: 0
-	}
-	img_desc.data.subimage[0][0] = C.sg_range{
-		ptr: img.data
-		size: size_t(img.nr_channels * img.width * img.height)
-	}
-	img.simg = C.sg_make_image(&img_desc)
-	img.simg_ok = true
-	img.ok = true
-	return img
-}
-
 pub struct StreamingImageConfig {
 	pixel_format gfx.PixelFormat = .rgba8
 	wrap_u       gfx.Wrap        = .clamp_to_edge
@@ -196,54 +108,6 @@ pub struct StreamingImageConfig {
 	num_slices   int = 1
 }
 
-// new_streaming_image returns a cached `image_idx` of a special image, that
-// can be updated *each frame* by calling:  gg.update_pixel_data(image_idx, buf)
-// ... where buf is a pointer to the actual pixel data for the image.
-// NB: you still need to call app.gg.draw_image after that, to actually draw it.
-pub fn (mut ctx Context) new_streaming_image(w int, h int, channels int, sicfg StreamingImageConfig) int {
-	mut img := Image{}
-	img.width = w
-	img.height = h
-	img.nr_channels = channels // 4 bytes per pixel for .rgba8, see pixel_format
-	mut img_desc := C.sg_image_desc{
-		width: img.width
-		height: img.height
-		pixel_format: sicfg.pixel_format
-		num_slices: 1
-		num_mipmaps: 1
-		usage: .stream
-		wrap_u: sicfg.wrap_u
-		wrap_v: sicfg.wrap_v
-		min_filter: sicfg.min_filter
-		mag_filter: sicfg.mag_filter
-		label: img.path.str
-	}
-	// Sokol requires that streamed images have NO .ptr/.size initially:
-	img_desc.data.subimage[0][0] = C.sg_range{
-		ptr: 0
-		size: size_t(0)
-	}
-	img.simg = C.sg_make_image(&img_desc)
-	img.simg_ok = true
-	img.ok = true
-	img_idx := ctx.cache_image(img)
-	return img_idx
-}
-
-// update_pixel_data is a helper for working with image streams (i.e. images,
-// that are updated dynamically by the CPU on each frame)
-pub fn (mut ctx Context) update_pixel_data(cached_image_idx int, buf &byte) {
-	mut image := ctx.get_cached_image_by_idx(cached_image_idx)
-	image.update_pixel_data(buf)
-}
-
-pub fn (mut img Image) update_pixel_data(buf &byte) {
-	mut data := C.sg_image_data{}
-	data.subimage[0][0].ptr = buf
-	data.subimage[0][0].size = size_t(img.width * img.height * img.nr_channels)
-	gfx.update_image(img.simg, &data)
-}
-
 // draw_image_with_config takes in a config that details how the
 // provided image should be drawn onto the screen
 pub fn (ctx &Context) draw_image_with_config(config DrawImageConfig) {
@@ -332,32 +196,6 @@ pub fn (ctx &Context) draw_image_part(img_rect Rect, part_rect Rect, img_ &Image
 	)
 }
 
-// draw_image draws the provided image onto the screen
-pub fn (ctx &Context) draw_image(x f32, y f32, width f32, height f32, img_ &Image) {
-	$if macos {
-		if img_.id >= ctx.image_cache.len {
-			eprintln('gg: draw_image() bad img id $img_.id (img cache len = $ctx.image_cache.len)')
-			return
-		}
-		if ctx.native_rendering {
-			if img_.width == 0 {
-				return
-			}
-			if !os.exists(img_.path) {
-				return
-			}
-			C.darwin_draw_image(x, ctx.height - (y + height), width, height, img_)
-			return
-		}
-	}
-
-	ctx.draw_image_with_config(
-		img: img_
-		img_rect: Rect{x, y, width, height}
-		part_rect: Rect{0, 0, img_.width, img_.height}
-	)
-}
-
 // draw_image_flipped draws the provided image flipped horizontally (use `draw_image_with_config` to flip vertically)
 pub fn (ctx &Context) draw_image_flipped(x f32, y f32, width f32, height f32, img_ &Image) {
 	ctx.draw_image_with_config(

vlib/gg/text_rendering.c.v

@@ -0,0 +1,226 @@
+// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license that can be found in the LICENSE file.
+module gg
+
+import sokol.sfons
+import sokol.sgl
+import gx
+import os
+
+struct FT {
+pub:
+	fons        &C.FONScontext
+	font_normal int
+	font_bold   int
+	font_mono   int
+	font_italic int
+	scale       f32 = 1.0
+}
+
+fn new_ft(c FTConfig) ?&FT {
+	if c.font_path == '' {
+		if c.bytes_normal.len > 0 {
+			fons := sfons.create(512, 512, 1)
+			bytes_normal := c.bytes_normal
+			bytes_bold := if c.bytes_bold.len > 0 {
+				c.bytes_bold
+			} else {
+				debug_font_println('setting bold variant to normal')
+				bytes_normal
+			}
+			bytes_mono := if c.bytes_mono.len > 0 {
+				c.bytes_mono
+			} else {
+				debug_font_println('setting mono variant to normal')
+				bytes_normal
+			}
+			bytes_italic := if c.bytes_italic.len > 0 {
+				c.bytes_italic
+			} else {
+				debug_font_println('setting italic variant to normal')
+				bytes_normal
+			}
+
+			return &FT{
+				fons: fons
+				font_normal: C.fonsAddFontMem(fons, c'sans', bytes_normal.data, bytes_normal.len,
+					false)
+				font_bold: C.fonsAddFontMem(fons, c'sans', bytes_bold.data, bytes_bold.len,
+					false)
+				font_mono: C.fonsAddFontMem(fons, c'sans', bytes_mono.data, bytes_mono.len,
+					false)
+				font_italic: C.fonsAddFontMem(fons, c'sans', bytes_italic.data, bytes_italic.len,
+					false)
+				scale: c.scale
+			}
+		} else {
+			// Load default font
+		}
+	}
+
+	if c.font_path == '' || !os.exists(c.font_path) {
+		$if !android {
+			println('failed to load font "$c.font_path"')
+			return none
+		}
+	}
+
+	mut bytes := []byte{}
+	$if android {
+		// First try any filesystem paths
+		bytes = os.read_bytes(c.font_path) or { []byte{} }
+		if bytes.len == 0 {
+			// ... then try the APK asset path
+			bytes = os.read_apk_asset(c.font_path) or {
+				println('failed to load font "$c.font_path"')
+				return none
+			}
+		}
+	} $else {
+		bytes = os.read_bytes(c.font_path) or {
+			println('failed to load font "$c.font_path"')
+			return none
+		}
+	}
+	bold_path := if c.custom_bold_font_path != '' {
+		c.custom_bold_font_path
+	} else {
+		get_font_path_variant(c.font_path, .bold)
+	}
+	bytes_bold := os.read_bytes(bold_path) or {
+		debug_font_println('failed to load font "$bold_path"')
+		bytes
+	}
+	mono_path := get_font_path_variant(c.font_path, .mono)
+	bytes_mono := os.read_bytes(mono_path) or {
+		debug_font_println('failed to load font "$mono_path"')
+		bytes
+	}
+	italic_path := get_font_path_variant(c.font_path, .italic)
+	bytes_italic := os.read_bytes(italic_path) or {
+		debug_font_println('failed to load font "$italic_path"')
+		bytes
+	}
+	fons := sfons.create(512, 512, 1)
+	return &FT{
+		fons: fons
+		font_normal: C.fonsAddFontMem(fons, c'sans', bytes.data, bytes.len, false)
+		font_bold: C.fonsAddFontMem(fons, c'sans', bytes_bold.data, bytes_bold.len, false)
+		font_mono: C.fonsAddFontMem(fons, c'sans', bytes_mono.data, bytes_mono.len, false)
+		font_italic: C.fonsAddFontMem(fons, c'sans', bytes_italic.data, bytes_italic.len,
+			false)
+		scale: c.scale
+	}
+}
+
+pub fn (ctx &Context) set_cfg(cfg gx.TextCfg) {
+	if !ctx.font_inited {
+		return
+	}
+	if cfg.bold {
+		ctx.ft.fons.set_font(ctx.ft.font_bold)
+	} else if cfg.mono {
+		ctx.ft.fons.set_font(ctx.ft.font_mono)
+	} else if cfg.italic {
+		ctx.ft.fons.set_font(ctx.ft.font_italic)
+	} else {
+		ctx.ft.fons.set_font(ctx.ft.font_normal)
+	}
+	scale := if ctx.ft.scale == 0 { f32(1) } else { ctx.ft.scale }
+	size := if cfg.mono { cfg.size - 2 } else { cfg.size }
+	ctx.ft.fons.set_size(scale * f32(size))
+	C.fonsSetAlign(ctx.ft.fons, int(cfg.align) | int(cfg.vertical_align))
+	color := C.sfons_rgba(cfg.color.r, cfg.color.g, cfg.color.b, cfg.color.a)
+	if cfg.color.a != 255 {
+		sgl.load_pipeline(ctx.timage_pip)
+	}
+	C.fonsSetColor(ctx.ft.fons, color)
+	ascender := f32(0.0)
+	descender := f32(0.0)
+	lh := f32(0.0)
+	ctx.ft.fons.vert_metrics(&ascender, &descender, &lh)
+}
+
+pub fn (ctx &Context) draw_text(x int, y int, text_ string, cfg gx.TextCfg) {
+	$if macos {
+		if ctx.native_rendering {
+			if cfg.align == gx.align_right {
+				width := ctx.text_width(text_)
+				C.darwin_draw_string(x - width, ctx.height - y, text_, cfg)
+			} else {
+				C.darwin_draw_string(x, ctx.height - y, text_, cfg)
+			}
+			return
+		}
+	}
+	if !ctx.font_inited {
+		eprintln('gg: draw_text(): font not initialized')
+		return
+	}
+	// text := text_.trim_space() // TODO remove/optimize
+	// mut text := text_
+	// if text.contains('\t') {
+	// text = text.replace('\t', '    ')
+	// }
+	ctx.set_cfg(cfg)
+	scale := if ctx.ft.scale == 0 { f32(1) } else { ctx.ft.scale }
+	C.fonsDrawText(ctx.ft.fons, x * scale, y * scale, &char(text_.str), 0) // TODO: check offsets/alignment
+}
+
+pub fn (ctx &Context) draw_text_def(x int, y int, text string) {
+	ctx.draw_text(x, y, text)
+}
+
+/*
+pub fn (mut gg FT) init_font() {
+}
+*/
+pub fn (ft &FT) flush() {
+	sfons.flush(ft.fons)
+}
+
+pub fn (ctx &Context) text_width(s string) int {
+	$if macos {
+		if ctx.native_rendering {
+			return C.darwin_text_width(s)
+		}
+	}
+	// ctx.set_cfg(cfg) TODO
+	if !ctx.font_inited {
+		return 0
+	}
+	mut buf := [4]f32{}
+	C.fonsTextBounds(ctx.ft.fons, 0, 0, &char(s.str), 0, &buf[0])
+	if s.ends_with(' ') {
+		return int((buf[2] - buf[0]) / ctx.scale) +
+			ctx.text_width('i') // TODO fix this in fontstash?
+	}
+	res := int((buf[2] - buf[0]) / ctx.scale)
+	// println('TW "$s" = $res')
+	$if macos {
+		if ctx.native_rendering {
+			return res * 2
+		}
+	}
+	return int((buf[2] - buf[0]) / ctx.scale)
+}
+
+pub fn (ctx &Context) text_height(s string) int {
+	// ctx.set_cfg(cfg) TODO
+	if !ctx.font_inited {
+		return 0
+	}
+	mut buf := [4]f32{}
+	C.fonsTextBounds(ctx.ft.fons, 0, 0, &char(s.str), 0, &buf[0])
+	return int((buf[3] - buf[1]) / ctx.scale)
+}
+
+pub fn (ctx &Context) text_size(s string) (int, int) {
+	// ctx.set_cfg(cfg) TODO
+	if !ctx.font_inited {
+		return 0, 0
+	}
+	mut buf := [4]f32{}
+	C.fonsTextBounds(ctx.ft.fons, 0, 0, &char(s.str), 0, &buf[0])
+	return int((buf[2] - buf[0]) / ctx.scale), int((buf[3] - buf[1]) / ctx.scale)
+}

vlib/gg/text_rendering.v

@@ -2,10 +2,8 @@
 // Use of this source code is governed by an MIT license that can be found in the LICENSE file.
 module gg
 
-import sokol.sfons
-import sokol.sgl
-import gx
 import os
+import gx
 
 enum FontVariant {
 	normal = 0
@@ -14,16 +12,6 @@ enum FontVariant {
 	italic
 }
 
-struct FT {
-pub:
-	fons        &C.FONScontext
-	font_normal int
-	font_bold   int
-	font_mono   int
-	font_italic int
-	scale       f32 = 1.0
-}
-
 struct FTConfig {
 	font_path             string
 	custom_bold_font_path string
@@ -42,214 +30,6 @@ struct StringToRender {
 	cfg  gx.TextCfg
 }
 
-fn new_ft(c FTConfig) ?&FT {
-	if c.font_path == '' {
-		if c.bytes_normal.len > 0 {
-			fons := sfons.create(512, 512, 1)
-			bytes_normal := c.bytes_normal
-			bytes_bold := if c.bytes_bold.len > 0 {
-				c.bytes_bold
-			} else {
-				debug_font_println('setting bold variant to normal')
-				bytes_normal
-			}
-			bytes_mono := if c.bytes_mono.len > 0 {
-				c.bytes_mono
-			} else {
-				debug_font_println('setting mono variant to normal')
-				bytes_normal
-			}
-			bytes_italic := if c.bytes_italic.len > 0 {
-				c.bytes_italic
-			} else {
-				debug_font_println('setting italic variant to normal')
-				bytes_normal
-			}
-
-			return &FT{
-				fons: fons
-				font_normal: C.fonsAddFontMem(fons, c'sans', bytes_normal.data, bytes_normal.len,
-					false)
-				font_bold: C.fonsAddFontMem(fons, c'sans', bytes_bold.data, bytes_bold.len,
-					false)
-				font_mono: C.fonsAddFontMem(fons, c'sans', bytes_mono.data, bytes_mono.len,
-					false)
-				font_italic: C.fonsAddFontMem(fons, c'sans', bytes_italic.data, bytes_italic.len,
-					false)
-				scale: c.scale
-			}
-		} else {
-			// Load default font
-		}
-	}
-
-	if c.font_path == '' || !os.exists(c.font_path) {
-		$if !android {
-			println('failed to load font "$c.font_path"')
-			return none
-		}
-	}
-
-	mut bytes := []byte{}
-	$if android {
-		// First try any filesystem paths
-		bytes = os.read_bytes(c.font_path) or { []byte{} }
-		if bytes.len == 0 {
-			// ... then try the APK asset path
-			bytes = os.read_apk_asset(c.font_path) or {
-				println('failed to load font "$c.font_path"')
-				return none
-			}
-		}
-	} $else {
-		bytes = os.read_bytes(c.font_path) or {
-			println('failed to load font "$c.font_path"')
-			return none
-		}
-	}
-	bold_path := if c.custom_bold_font_path != '' {
-		c.custom_bold_font_path
-	} else {
-		get_font_path_variant(c.font_path, .bold)
-	}
-	bytes_bold := os.read_bytes(bold_path) or {
-		debug_font_println('failed to load font "$bold_path"')
-		bytes
-	}
-	mono_path := get_font_path_variant(c.font_path, .mono)
-	bytes_mono := os.read_bytes(mono_path) or {
-		debug_font_println('failed to load font "$mono_path"')
-		bytes
-	}
-	italic_path := get_font_path_variant(c.font_path, .italic)
-	bytes_italic := os.read_bytes(italic_path) or {
-		debug_font_println('failed to load font "$italic_path"')
-		bytes
-	}
-	fons := sfons.create(512, 512, 1)
-	return &FT{
-		fons: fons
-		font_normal: C.fonsAddFontMem(fons, c'sans', bytes.data, bytes.len, false)
-		font_bold: C.fonsAddFontMem(fons, c'sans', bytes_bold.data, bytes_bold.len, false)
-		font_mono: C.fonsAddFontMem(fons, c'sans', bytes_mono.data, bytes_mono.len, false)
-		font_italic: C.fonsAddFontMem(fons, c'sans', bytes_italic.data, bytes_italic.len,
-			false)
-		scale: c.scale
-	}
-}
-
-pub fn (ctx &Context) set_cfg(cfg gx.TextCfg) {
-	if !ctx.font_inited {
-		return
-	}
-	if cfg.bold {
-		ctx.ft.fons.set_font(ctx.ft.font_bold)
-	} else if cfg.mono {
-		ctx.ft.fons.set_font(ctx.ft.font_mono)
-	} else if cfg.italic {
-		ctx.ft.fons.set_font(ctx.ft.font_italic)
-	} else {
-		ctx.ft.fons.set_font(ctx.ft.font_normal)
-	}
-	scale := if ctx.ft.scale == 0 { f32(1) } else { ctx.ft.scale }
-	size := if cfg.mono { cfg.size - 2 } else { cfg.size }
-	ctx.ft.fons.set_size(scale * f32(size))
-	C.fonsSetAlign(ctx.ft.fons, int(cfg.align) | int(cfg.vertical_align))
-	color := C.sfons_rgba(cfg.color.r, cfg.color.g, cfg.color.b, cfg.color.a)
-	if cfg.color.a != 255 {
-		sgl.load_pipeline(ctx.timage_pip)
-	}
-	C.fonsSetColor(ctx.ft.fons, color)
-	ascender := f32(0.0)
-	descender := f32(0.0)
-	lh := f32(0.0)
-	ctx.ft.fons.vert_metrics(&ascender, &descender, &lh)
-}
-
-pub fn (ctx &Context) draw_text(x int, y int, text_ string, cfg gx.TextCfg) {
-	$if macos {
-		if ctx.native_rendering {
-			if cfg.align == gx.align_right {
-				width := ctx.text_width(text_)
-				C.darwin_draw_string(x - width, ctx.height - y, text_, cfg)
-			} else {
-				C.darwin_draw_string(x, ctx.height - y, text_, cfg)
-			}
-			return
-		}
-	}
-	if !ctx.font_inited {
-		eprintln('gg: draw_text(): font not initialized')
-		return
-	}
-	// text := text_.trim_space() // TODO remove/optimize
-	// mut text := text_
-	// if text.contains('\t') {
-	// text = text.replace('\t', '    ')
-	// }
-	ctx.set_cfg(cfg)
-	scale := if ctx.ft.scale == 0 { f32(1) } else { ctx.ft.scale }
-	C.fonsDrawText(ctx.ft.fons, x * scale, y * scale, &char(text_.str), 0) // TODO: check offsets/alignment
-}
-
-pub fn (ctx &Context) draw_text_def(x int, y int, text string) {
-	ctx.draw_text(x, y, text)
-}
-
-/*
-pub fn (mut gg FT) init_font() {
-}
-*/
-pub fn (ft &FT) flush() {
-	sfons.flush(ft.fons)
-}
-
-pub fn (ctx &Context) text_width(s string) int {
-	$if macos {
-		if ctx.native_rendering {
-			return C.darwin_text_width(s)
-		}
-	}
-	// ctx.set_cfg(cfg) TODO
-	if !ctx.font_inited {
-		return 0
-	}
-	mut buf := [4]f32{}
-	C.fonsTextBounds(ctx.ft.fons, 0, 0, &char(s.str), 0, &buf[0])
-	if s.ends_with(' ') {
-		return int((buf[2] - buf[0]) / ctx.scale) +
-			ctx.text_width('i') // TODO fix this in fontstash?
-	}
-	res := int((buf[2] - buf[0]) / ctx.scale)
-	// println('TW "$s" = $res')
-	$if macos {
-		if ctx.native_rendering {
-			return res * 2
-		}
-	}
-	return int((buf[2] - buf[0]) / ctx.scale)
-}
-
-pub fn (ctx &Context) text_height(s string) int {
-	// ctx.set_cfg(cfg) TODO
-	if !ctx.font_inited {
-		return 0
-	}
-	mut buf := [4]f32{}
-	C.fonsTextBounds(ctx.ft.fons, 0, 0, &char(s.str), 0, &buf[0])
-	return int((buf[3] - buf[1]) / ctx.scale)
-}
-
-pub fn (ctx &Context) text_size(s string) (int, int) {
-	// ctx.set_cfg(cfg) TODO
-	if !ctx.font_inited {
-		return 0, 0
-	}
-	mut buf := [4]f32{}
-	C.fonsTextBounds(ctx.ft.fons, 0, 0, &char(s.str), 0, &buf[0])
-	return int((buf[2] - buf[0]) / ctx.scale), int((buf[3] - buf[1]) / ctx.scale)
-}
-
 pub fn system_font_path() string {
 	env_font := os.getenv('VUI_FONT')
 	if env_font != '' && os.exists(env_font) {

vlib/gx/text.c.v

@@ -0,0 +1,18 @@
+module gx
+
+import fontstash
+
+const used_import = fontstash.used_import
+
+pub enum HorizontalAlign {
+	left = C.FONS_ALIGN_LEFT
+	center = C.FONS_ALIGN_CENTER
+	right = C.FONS_ALIGN_RIGHT
+}
+
+pub enum VerticalAlign {
+	top = C.FONS_ALIGN_TOP
+	middle = C.FONS_ALIGN_MIDDLE
+	bottom = C.FONS_ALIGN_BOTTOM
+	baseline = C.FONS_ALIGN_BASELINE
+}

vlib/gx/text.v

@@ -1,30 +1,11 @@
 module gx
 
-import fontstash
-
-const (
-	used_import = fontstash.used_import
-)
-
 // TODO: remove these and uae the enum everywhere
 pub const (
 	align_left  = HorizontalAlign.left
 	align_right = HorizontalAlign.right
 )
 
-pub enum HorizontalAlign {
-	left = C.FONS_ALIGN_LEFT
-	center = C.FONS_ALIGN_CENTER
-	right = C.FONS_ALIGN_RIGHT
-}
-
-pub enum VerticalAlign {
-	top = C.FONS_ALIGN_TOP
-	middle = C.FONS_ALIGN_MIDDLE
-	bottom = C.FONS_ALIGN_BOTTOM
-	baseline = C.FONS_ALIGN_BASELINE
-}
-
 pub struct TextCfg {
 pub:
 	color          Color = black

vlib/sokol/sapp/sapp.c.v

@@ -2,9 +2,7 @@ module sapp
 
 import sokol.gfx
 
-pub const (
+pub const used_import = gfx.used_import
-	used_import = gfx.used_import
-)
 
 // Android needs a global reference to `g_desc`
 __global (

vlib/sokol/sfons/sfons.c.v

@@ -2,10 +2,8 @@ module sfons
 
 import fontstash
 
-const (
+// keep v from warning about unused imports
-	// keep v from warning about unused imports
+const used_import = fontstash.used_import + 1
-	used_import = fontstash.used_import + 1
-)
 
 [inline]
 pub fn create(width int, height int, flags int) &C.FONScontext {