add test graphics

isotest/main.v

@@ -0,0 +1,52 @@
+module main
+
+import gg
+import gx
+import os
+
+const (
+	win_width = 600
+	win_height = 300
+)
+
+struct App {
+mut:
+	gg &gg.Context
+}
+
+fn main() {
+	mut app := &App{}
+	app.gg = gg.new_context(
+		bg_color: gx.white
+		width: win_width
+		height: win_height
+		use_ortho: true // This is needed for 2D drawing
+		create_window: true
+		window_title: 'Empty window'
+		frame_fn: frame
+		user_data: app
+		//font_path: os.resource_abs_path('assets/fonts/RobotoMono-Regular.ttf')
+	)
+	app.gg.run()
+}
+
+fn frame(user_data voidptr) {
+	mut app := &App(user_data)
+	mut gg := app.gg
+	gg.begin()
+	/*
+	if gg.fons == 0 {
+		gg.init_font()
+	}
+	*/
+	app.draw()
+	//C.sfons_flush(gg.fons)
+	gg.end()
+}
+
+fn (app &App) draw() {
+	//app.gg.draw_text_def(200,20, 'hello world!')
+	//app.gg.draw_text_def(300,300, 'привет')
+	app.gg.draw_rect(10, 10, 100, 30, gx.blue)
+	app.gg.draw_empty_rect(10, 150, 80, 40, gx.green)
+}

isotest/main.v_

@@ -0,0 +1,32 @@
+module main
+
+//import medvednikov.sdl
+import vsdl as sdl
+
+fn main() {
+	C.SDL_Init(C.SDL_INIT_VIDEO)
+	window := C.SDL_CreateWindow('Hello SDL2', 300, 300, 500, 300, 0)
+	renderer := C.SDL_CreateRenderer(window, -1, C.SDL_RENDERER_ACCELERATED | C.SDL_RENDERER_PRESENTVSYNC)
+
+	mut should_close := false
+	for {
+		evt := SDL_Event{}
+		for 0 < sdl.poll_event(&evt) {
+			match int(evt.@type) {
+				C.SDL_QUIT { should_close = true }
+				else {}
+			}
+		}
+		if should_close {
+			break
+		}
+
+		C.SDL_SetRenderDrawColor(renderer, 255, 55, 55, 255)
+		C.SDL_RenderClear(renderer)
+		C.SDL_RenderPresent(renderer)
+	}
+	
+	C.SDL_DestroyRenderer(renderer)
+	C.SDL_DestroyWindow(window)
+	C.SDL_Quit()
+}

isotest/run.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+export LIBGL_ALWAYS_SOFTWARE=1
+
+v run main.v

isotest/v.mod

@@ -0,0 +1,5 @@
+Module {
+	name: 'isotest',
+	description: '',
+	dependencies: ['sdl']
+}