From f18265e6a84bd97795b9206108b372f3a8aa9a5b Mon Sep 17 00:00:00 2001
From: Delyan Angelov <delian66@gmail.com>
Date: Thu, 24 Jun 2021 11:07:09 +0300
Subject: [PATCH] gg: remove obsolete usages of `use_ortho: true`

---
 examples/fireworks/fireworks.v                |  1 -
 examples/flappylearning/game.v                |  1 -
 examples/game_of_life/life_gg.v               |  1 -
 examples/gg/raven_text_rendering.v            |  1 -
 examples/gg/rectangles.v                      |  1 -
 examples/gg/worker_thread.v                   |  1 -
 examples/hot_reload/bounce.v                  |  1 -
 examples/hot_reload/graph.v                   |  1 -
 examples/snek/snek.v                          |  1 -
 examples/sokol/01_cubes/cube.v                |  1 -
 examples/sokol/02_cubes_glsl/cube_glsl.v      |  1 -
 .../sokol/03_march_tracing_glsl/rt_glsl.v     |  1 -
 examples/sokol/04_multi_shader_glsl/rt_glsl.v |  1 -
 examples/sokol/05_instancing_glsl/rt_glsl.v   |  1 -
 examples/sokol/06_obj_viewer/show_obj.v       |  3 +-
 examples/sokol/sounds/melody.v                |  1 -
 examples/tetris/tetris.v                      |  1 -
 examples/ttf_font/example_ttf.v               |  1 -
 vlib/x/ttf/README.md                          | 33 +++++++++----------
 19 files changed, 17 insertions(+), 36 deletions(-)

diff --git a/examples/fireworks/fireworks.v b/examples/fireworks/fireworks.v
index 361dff026b..9581cc54ab 100644
--- a/examples/fireworks/fireworks.v
+++ b/examples/fireworks/fireworks.v
@@ -109,7 +109,6 @@ fn main() {
 		height: app.ui.height
 		window_title: 'Fireworks!'
 		bg_color: gx.black
-		use_ortho: true
 		user_data: app
 		frame_fn: on_frame
 		event_fn: on_event
diff --git a/examples/flappylearning/game.v b/examples/flappylearning/game.v
index 5b1ef094dc..15cdc28ced 100644
--- a/examples/flappylearning/game.v
+++ b/examples/flappylearning/game.v
@@ -185,7 +185,6 @@ fn main() {
 		bg_color: gx.white
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'flappylearning-v'
 		frame_fn: frame
diff --git a/examples/game_of_life/life_gg.v b/examples/game_of_life/life_gg.v
index 2b202f9c2e..2f45017c43 100644
--- a/examples/game_of_life/life_gg.v
+++ b/examples/game_of_life/life_gg.v
@@ -48,7 +48,6 @@ fn main() {
 		user_data: &app
 		width: screen_width
 		height: screen_height
-		use_ortho: true
 		create_window: true
 		resizable: false
 		window_title: 'v life (with gg, gx)'
diff --git a/examples/gg/raven_text_rendering.v b/examples/gg/raven_text_rendering.v
index 5d14e46ed1..2007787934 100644
--- a/examples/gg/raven_text_rendering.v
+++ b/examples/gg/raven_text_rendering.v
@@ -74,7 +74,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'Empty window'
 		user_data: app
diff --git a/examples/gg/rectangles.v b/examples/gg/rectangles.v
index ae8e2afc61..73229fd532 100644
--- a/examples/gg/rectangles.v
+++ b/examples/gg/rectangles.v
@@ -23,7 +23,6 @@ fn main() {
 		bg_color: gx.white
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'Rectangles'
 		frame_fn: frame
diff --git a/examples/gg/worker_thread.v b/examples/gg/worker_thread.v
index dfb4c8f593..b1bd454032 100644
--- a/examples/gg/worker_thread.v
+++ b/examples/gg/worker_thread.v
@@ -30,7 +30,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'Counter'
 		user_data: app
diff --git a/examples/hot_reload/bounce.v b/examples/hot_reload/bounce.v
index e9d17a0fa1..135ad52b29 100644
--- a/examples/hot_reload/bounce.v
+++ b/examples/hot_reload/bounce.v
@@ -37,7 +37,6 @@ fn main() {
 		width: window_width
 		height: window_height
 		font_size: 20
-		use_ortho: true
 		user_data: game
 		window_title: 'Hot code reloading demo'
 		create_window: true
diff --git a/examples/hot_reload/graph.v b/examples/hot_reload/graph.v
index 9cfa8545fb..53228f1339 100644
--- a/examples/hot_reload/graph.v
+++ b/examples/hot_reload/graph.v
@@ -23,7 +23,6 @@ fn main() {
 		width: size
 		height: size
 		font_size: 20
-		use_ortho: true
 		user_data: context
 		window_title: 'Graph builder'
 		create_window: true
diff --git a/examples/snek/snek.v b/examples/snek/snek.v
index 02659289f1..1d66fb1fcc 100644
--- a/examples/snek/snek.v
+++ b/examples/snek/snek.v
@@ -211,7 +211,6 @@ fn main() {
 		user_data: &app
 		width: canvas_size
 		height: top_height + canvas_size
-		use_ortho: true
 		create_window: true
 		resizable: false
 		window_title: 'snek'
diff --git a/examples/sokol/01_cubes/cube.v b/examples/sokol/01_cubes/cube.v
index 8a54421526..c933dbfefd 100644
--- a/examples/sokol/01_cubes/cube.v
+++ b/examples/sokol/01_cubes/cube.v
@@ -418,7 +418,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: '3D Cube Demo'
 		user_data: app
diff --git a/examples/sokol/02_cubes_glsl/cube_glsl.v b/examples/sokol/02_cubes_glsl/cube_glsl.v
index 3b7c1d7073..0be09a4a14 100644
--- a/examples/sokol/02_cubes_glsl/cube_glsl.v
+++ b/examples/sokol/02_cubes_glsl/cube_glsl.v
@@ -612,7 +612,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: '3D Cube Demo'
 		user_data: app
diff --git a/examples/sokol/03_march_tracing_glsl/rt_glsl.v b/examples/sokol/03_march_tracing_glsl/rt_glsl.v
index 50b62ed2cf..73a85a31aa 100644
--- a/examples/sokol/03_march_tracing_glsl/rt_glsl.v
+++ b/examples/sokol/03_march_tracing_glsl/rt_glsl.v
@@ -423,7 +423,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: '3D Ray Marching Cube'
 		user_data: app
diff --git a/examples/sokol/04_multi_shader_glsl/rt_glsl.v b/examples/sokol/04_multi_shader_glsl/rt_glsl.v
index 059ad0e207..d19d1994da 100644
--- a/examples/sokol/04_multi_shader_glsl/rt_glsl.v
+++ b/examples/sokol/04_multi_shader_glsl/rt_glsl.v
@@ -619,7 +619,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: '3D Dual shader Cube - click and rotate with the mouse'
 		user_data: app
diff --git a/examples/sokol/05_instancing_glsl/rt_glsl.v b/examples/sokol/05_instancing_glsl/rt_glsl.v
index 57b0b606f1..f06a8e3aa9 100644
--- a/examples/sokol/05_instancing_glsl/rt_glsl.v
+++ b/examples/sokol/05_instancing_glsl/rt_glsl.v
@@ -506,7 +506,6 @@ fn main(){
 	app.gg = gg.new_context({
 		width:         win_width
 		height:        win_height
-		use_ortho:     true // This is needed for 2D drawing
 		create_window: true
 		window_title:  'Instancing Cube'
 		user_data:     app
diff --git a/examples/sokol/06_obj_viewer/show_obj.v b/examples/sokol/06_obj_viewer/show_obj.v
index 18f0258a60..e2e0be390f 100644
--- a/examples/sokol/06_obj_viewer/show_obj.v
+++ b/examples/sokol/06_obj_viewer/show_obj.v
@@ -323,7 +323,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'V Wavefront OBJ viewer - Use the mouse wheel to zoom'
 		user_data: app
@@ -336,4 +335,4 @@ fn main() {
 
 	app.ticks = time.ticks()
 	app.gg.run()
-}
\ No newline at end of file
+}
diff --git a/examples/sokol/sounds/melody.v b/examples/sokol/sounds/melody.v
index b5f230caed..aa5ebc4025 100644
--- a/examples/sokol/sounds/melody.v
+++ b/examples/sokol/sounds/melody.v
@@ -44,7 +44,6 @@ fn main() {
 		bg_color: gx.rgb(50, 50, 50)
 		width: 1024
 		height: 400
-		use_ortho: true
 		create_window: true
 		window_title: 'ByteBeat Music'
 		frame_fn: graphics_frame
diff --git a/examples/tetris/tetris.v b/examples/tetris/tetris.v
index fdc909d124..85a6a3eac8 100644
--- a/examples/tetris/tetris.v
+++ b/examples/tetris/tetris.v
@@ -167,7 +167,6 @@ fn main() {
 		bg_color: gx.white
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'V Tetris' //
 		user_data: game
diff --git a/examples/ttf_font/example_ttf.v b/examples/ttf_font/example_ttf.v
index 1a7b04bcc6..02e43cd60b 100644
--- a/examples/ttf_font/example_ttf.v
+++ b/examples/ttf_font/example_ttf.v
@@ -123,7 +123,6 @@ fn main() {
 	app.gg = gg.new_context(
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'Test TTF module'
 		user_data: app
diff --git a/vlib/x/ttf/README.md b/vlib/x/ttf/README.md
index 6594b5c916..a53b83685e 100644
--- a/vlib/x/ttf/README.md
+++ b/vlib/x/ttf/README.md
@@ -1,7 +1,7 @@
 # TTF font utility
 ## introduction
 This module is designed to perform two main task
-- Load the font file 
+- Load the font file
 - Render text using a TTF font
 
 The render system can be single or multiple, for example it is possible to have a bitmap
@@ -18,7 +18,7 @@ ttf_font.buf = os.read_bytes("arial.ttf") or { panic(err) }
 ttf_font.init()
 ```
 *Note: the font must be passed to the `TTF_file` as RAM buffer.*
-At this point the font "arial" is loaded and parsed and if it is a valid TTF font it is 
+At this point the font "arial" is loaded and parsed and if it is a valid TTF font it is
 ready for the rendering.
 We can get some quick info on the font as string using the `get_info_string` function:
 
@@ -53,7 +53,7 @@ In this modue it is possible to have different renders running at the same time.
 At the present time all the rendering are made on the CPU, sokol is used only to draw the
 rendered text to the screen.
 Let's start with a simple snippet of code:
-```v ignore
+```v oksyntax
 import os
 import x.ttf
 [console]
@@ -70,7 +70,7 @@ This simple code load a TTF font and display its basic informations.
 ### draw_text
 The draw text function draw simple strings without indentation or other imagination tasks.
 At this point we can render a simple text:
-```v ignore
+```v oksyntax
 import os
 import x.ttf
 
@@ -81,7 +81,7 @@ fn main(){
 	ttf_font.init()
 	// print font info
 	println(ttf_font.get_info_string())
-	
+
 	bmp_width  := 200
 	bmp_heigth := 64
 	bmp_layers := 4    // number of planes for an RGBA buffer
@@ -122,7 +122,7 @@ Using the low level rendering you need to manage all the amenities like allocate
 memory and other tasks like calc the character dimensions.
 
 You can specify the style for the text rendering in the `BitMap` struct::
-```v ignore
+```v
 enum Style {
 	outline
 	outline_aliased
@@ -134,7 +134,7 @@ Use this level only if you want achieve particular result on text rendering.
 
 ### draw_text_block
 Draw text block draw a justified and indented block of multiline text in the bitmap.
-```v ignore
+```v oksyntax
 import os
 import x.ttf
 
@@ -145,7 +145,7 @@ fn main(){
 	ttf_font.init()
 	// print font info
 	println(ttf_font.get_info_string())
-	
+
 	bmp_width  := 200
 	bmp_heigth := 200
 	bmp_layers := 4    // number of planes for an RGBA buffer
@@ -186,7 +186,7 @@ But Vwill prevail for sure, V is the way!!
 ```
 This is the low level render that draw text block on the bitmap.
 A text block is defined from a `Text_block` struct:
-```v ignore
+```v
 struct Text_block {
 	x int // x postion of the left high corner
 	y int // y postion of the left high corner
@@ -196,7 +196,7 @@ struct Text_block {
 }
 ```
 and use the following bitmap fields:
-```v ignore
+```v oksyntax
 	style              Style      = .filled // default syle
 	align              Text_align = .left   // default text align
 	justify            bool				    // justify text flag, default deactivated
@@ -211,7 +211,7 @@ the text to the screen.
 It is mor esimpel to use in a `gg app` that the raw bitmap render.
 Each single text rendered need its own reder to be declared, after you can modify it.
 Here a simple example of the usage:
-```v ignore
+```v oksyntax
 import gg
 import gx
 import sokol.sapp
@@ -235,7 +235,7 @@ pub mut:
 	sg_img    C.sg_image
 	init_flag bool
 	frame_c   int
-	
+
 	tf              []ttf.TTF_File
 	ttf_render      []ttf.TTF_render_Sokol
 }
@@ -246,7 +246,7 @@ fn my_init(mut app App_data) {
 
 fn draw_frame(mut app &App_data) {
 	cframe_txt := "Current Frame: $app.frame_c"
-	
+
 	app.gg.begin()
 
 	sgl.defaults()
@@ -267,7 +267,7 @@ fn draw_frame(mut app &App_data) {
 }
 
 [console]
-fn main(){   
+fn main(){
 	mut app := &App_data{
 		gg: 0
 	}
@@ -275,7 +275,6 @@ fn main(){
 	app.gg = gg.new_context({
 		width: win_width
 		height: win_height
-		use_ortho: true // This is needed for 2D drawing
 		create_window: true
 		window_title: 'Test TTF module'
 		user_data: app
@@ -293,7 +292,7 @@ fn main(){
 		println(tf.get_info_string())
 		app.tf << tf
 	}
-	
+
 	// TTF render 0 Frame counter
 	app.ttf_render << &ttf.TTF_render_Sokol {
 		bmp: &ttf.BitMap{
@@ -304,7 +303,7 @@ fn main(){
 			//style: .raw
 		}
 	}
-	
+
 	app.gg.run()
 }
 ```