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gg: new create_image() (part 1)

pull/5981/head
Alexander Medvednikov 2020-08-01 23:40:25 +02:00
parent d56d622a43
commit fb4550e582
2 changed files with 144 additions and 72 deletions
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2
examples/tetris/tetris.v
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@ -19,7 +19,7 @@ const (
win_width = block_size * field_width
win_height = block_size * field_height
timer_period = 250 // ms
text_size = 12
text_size = 24
limit_thickness = 3
)

214
vlib/gg/gg.v
View File

@ -8,57 +8,66 @@ import sokol
import sokol.sapp
import sokol.sgl
import sokol.gfx
//import time
import stbi
pub type FNCb fn(x voidptr)
pub type FNEvent fn(e voidptr, x voidptr)
pub type FNFail fn(msg string, x voidptr)
pub type FNKeyDown fn(c sapp.KeyCode, m sapp.Modifier, x voidptr)
pub type FNChar fn(c u32, x voidptr)
// import time
pub type FNCb = fn (x voidptr)
pub type FNEvent = fn (e, x voidptr)
pub type FNFail = fn (msg string, x voidptr)
pub type FNKeyDown = fn (c sapp.KeyCode, m sapp.Modifier, x voidptr)
pub type FNChar = fn (c u32, x voidptr)
pub struct Config {
pub:
width int
height int
use_ortho bool
retina bool
resizable bool
user_data voidptr
font_size int
create_window bool
width int
height int
use_ortho bool
retina bool
resizable bool
user_data voidptr
font_size int
create_window bool
// window_user_ptr voidptr
window_title string
window_title string
borderless_window bool
always_on_top bool
bg_color gx.Color
init_fn FNCb = voidptr(0)
frame_fn FNCb = voidptr(0)
cleanup_fn FNCb = voidptr(0)
fail_fn FNFail = voidptr(0)
event_fn FNEvent = voidptr(0)
keydown_fn FNKeyDown = voidptr(0) // special case of event_fn
char_fn FNChar = voidptr(0) // special case of event_fn
wait_events bool // set this to true for UIs, to save power
fullscreen bool
scale f32 = 1.0 // vid needs this
//init_text bool
font_path string
always_on_top bool
bg_color gx.Color
init_fn FNCb = voidptr(0)
frame_fn FNCb = voidptr(0)
cleanup_fn FNCb = voidptr(0)
fail_fn FNFail = voidptr(0)
event_fn FNEvent = voidptr(0)
keydown_fn FNKeyDown = voidptr(0) // special case of event_fn
char_fn FNChar = voidptr(0) // special case of event_fn
wait_events bool // set this to true for UIs, to save power
fullscreen bool
scale f32 = 1.0 // vid needs this
// init_text bool
font_path string
}
pub struct Context {
render_text 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
config Config
ft &FT
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
config Config
ft &FT
font_inited bool
}
pub struct Size { pub: width int height int }
pub struct Size {
pub:
width int
height int
}
fn gg_init_sokol_window(user_data voidptr) {
mut g := &Context(user_data)
@ -80,15 +89,20 @@ fn gg_init_sokol_window(user_data voidptr) {
if g.scale < 0.1 {
g.scale = 1.0
}
//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 {
// 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 {
if g.config.font_path != '' {
//t := time.ticks()
g.ft = new_ft({ font_path: g.config.font_path, scale: sapp.dpi_scale() }) or {panic(err)}
//println('FT took ${time.ticks()-t} ms')
// t := time.ticks()
g.ft = new_ft({
font_path: g.config.font_path
scale: sapp.dpi_scale()
}) or {
panic(err)
}
// println('FT took ${time.ticks()-t} ms')
g.font_inited = true
}
if g.config.init_fn != voidptr(0) {
@ -108,9 +122,10 @@ fn gg_frame_fn(user_data voidptr) {
// where it thinks that &sapp.Event(x) is a function call,
// instead of a cast, if v has not yet seen &sapp.Event used
// as a parameter type.
fn todo_remove_this(e &sapp.Event){}
fn todo_remove_this(e &sapp.Event) {
}
fn gg_event_fn(ce &C.sapp_event, user_data voidptr){
fn gg_event_fn(ce &C.sapp_event, user_data voidptr) {
e := &sapp.Event(ce)
mut g := &Context(user_data)
if g.config.event_fn != voidptr(0) {
@ -129,41 +144,39 @@ fn gg_event_fn(ce &C.sapp_event, user_data voidptr){
cfn(e.char_code, g.config.user_data)
}
}
else{}
else {}
}
}
fn gg_cleanup_fn(user_data voidptr){
fn gg_cleanup_fn(user_data voidptr) {
mut g := &Context(user_data)
if g.config.cleanup_fn != voidptr(0) {
g.config.cleanup_fn(g.config.user_data)
}
}
fn gg_fail_fn(msg charptr, user_data voidptr){
fn gg_fail_fn(msg charptr, user_data voidptr) {
mut g := &Context(user_data)
vmsg := tos3(msg)
if g.config.fail_fn != voidptr(0) {
g.config.fail_fn(vmsg, g.config.user_data)
}else{
} else {
eprintln('gg error: $vmsg')
}
}
//
pub fn new_context(cfg Config) &Context{
pub fn new_context(cfg Config) &Context {
mut g := &Context{
width: cfg.width
height: cfg.height
clear_pass: gfx.create_clear_pass( f32(cfg.bg_color.r) / 255.0, f32(cfg.bg_color.g) / 255.0,
f32(cfg.bg_color.b) / 255.0, 1.0)
clear_pass: gfx.create_clear_pass(f32(cfg.bg_color.r) / 255.0, f32(cfg.bg_color.g) / 255.0,
f32(cfg.bg_color.b) / 255.0, 1.0)
config: cfg
render_text: cfg.font_path != ''
ft: 0
}
//C.printf('new_context() %p\n', cfg.user_data)
// C.printf('new_context() %p\n', cfg.user_data)
window := C.sapp_desc{
user_data: g
init_userdata_cb: gg_init_sokol_window
@ -178,8 +191,9 @@ f32(cfg.bg_color.b) / 255.0, 1.0)
high_dpi: true
fullscreen: cfg.fullscreen
}
if cfg.use_ortho {}
else {}
if cfg.use_ortho {
} else {
}
g.window = window
return g
}
@ -207,13 +221,12 @@ pub fn (ctx &Context) draw_empty_rect(x, y, w, h f32, c gx.Color) {
sgl.v2f(x + w, y + h)
sgl.v2f(x, y + h)
sgl.v2f(x, y)
}
else {
} else {
sgl.v2f(x * ctx.scale, y * ctx.scale)
sgl.v2f((x + w) * ctx.scale, y * ctx.scale)
sgl.v2f((x + w) * ctx.scale, (y + h) * ctx.scale)
sgl.v2f(x * ctx.scale, (y + h) * ctx.scale)
sgl.v2f(x*ctx.scale, y*ctx.scale)
sgl.v2f(x * ctx.scale, y * ctx.scale)
}
sgl.end()
}
@ -232,6 +245,49 @@ pub fn create_image(file string) u32 {
return 0 // texture
}
pub struct Image {
pub mut:
width int
height int
nr_channels int
ok bool
data voidptr
ext string
sokol_img C.sg_image
}
pub fn create_image2(file string) Image {
if !os.exists(file) {
println('gg create image no such file "$file"')
return Image{} // none
}
stb_img := stbi.load(file)
mut img := Image{
width: stb_img.width
height: stb_img.height
nr_channels: stb_img.nr_channels
ok: stb_img.ok
data: stb_img.data
ext: stb_img.ext
}
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: &byte(0)
d3d11_texture: 0
}
img_desc.content.subimage[0][0] = C.sg_subimage_content{
ptr: img.data
size: img.nr_channels * img.width * img.height
}
the_sokol_image := C.sg_make_image(&img_desc)
img.sokol_img = the_sokol_image
return img
}
pub fn create_image_from_memory(buf byteptr) u32 {
// texture := gl.gen_texture()
// img := stbi.load_from_memory(buf)
@ -254,7 +310,7 @@ pub fn (gg &Context) end() {
gfx.end_pass()
gfx.commit()
if gg.config.wait_events {
//println('gg: waiting')
// println('gg: waiting')
wait_events()
}
}
@ -265,9 +321,25 @@ pub fn (ctx &Context) draw_line(x, y, x2, y2 f32, c gx.Color) {
sgl.v2f(x * ctx.scale, y * ctx.scale)
sgl.v2f(x2 * ctx.scale, y2 * ctx.scale)
sgl.end()
}
pub fn (ctx &Context) draw_image(x, y, width, height f32, image u32) {
pub fn (ctx &Context) draw_image(x, y, width, height f32, img u32) {
}
pub fn (ctx &Context) draw_image2(x, y, width, height f32, img Image) {
sgl_enable_texture()
sgl_texture(img.sokol_img)
/*
sgl.c4b(c.r, c.g, c.b, 128)
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()
*/
}
pub fn (ctx &Context) draw_rounded_rect(x, y, width, height, radius f32, color gx.Color) {
@ -280,12 +352,12 @@ 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 macos {
#NSEvent *event = [NSApp nextEventMatchingMask:NSEventMaskAny
#untilDate:[NSDate distantFuture]
#inMode:NSDefaultRunLoopMode
#dequeue:YES];
#[NSApp sendEvent:event];
}
$if windows {
C.WaitMessage()