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examples: use os.resource_abs_path, so `v run examples/ttf_font/example_ttf.v` works

pull/8016/head
Delyan Angelov 2021-01-10 20:36:50 +02:00
parent c067cc0357
commit 692a718428
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2 changed files with 46 additions and 76 deletions
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112
examples/ttf_font/example_ttf.v
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@ -2,83 +2,68 @@ import gg
import gx import gx
import sokol.sapp import sokol.sapp
import sokol.sgl import sokol.sgl
import x.ttf import x.ttf
import os import os
//import math
// import math
const ( const (
win_width = 600 win_width = 600
win_height = 700 win_height = 700
bg_color = gx.white bg_color = gx.white
font_paths = [ font_paths = [
"Imprima-Regular.ttf" os.resource_abs_path('Imprima-Regular.ttf'),
"Graduate-Regular.ttf" os.resource_abs_path('Graduate-Regular.ttf'),
] ]
) )
/****************************************************************************** // UI
*
* UI
*
*****************************************************************************/
struct App_data { struct App_data {
pub mut: pub mut:
gg &gg.Context gg &gg.Context
sg_img C.sg_image sg_img C.sg_image
init_flag bool init_flag bool
frame_c int frame_c int
tf []ttf.TTF_File tf []ttf.TTF_File
ttf_render []ttf.TTF_render_Sokol ttf_render []ttf.TTF_render_Sokol
text_ready_flag bool text_ready_flag bool
mouse_x int = -1
mouse_x int = -1 mouse_y int = -1
mouse_y int = -1
} }
fn my_init(mut app App_data) { fn my_init(mut app App_data) {
app.init_flag = true app.init_flag = true
} }
fn draw_frame(mut app &App_data) { fn draw_frame(mut app App_data) {
cframe_txt := "Current Frame: $app.frame_c" cframe_txt := 'Current Frame: $app.frame_c'
app.gg.begin() app.gg.begin()
sgl.defaults() sgl.defaults()
sgl.matrix_mode_projection() sgl.matrix_mode_projection()
sgl.ortho(0.0, f32(sapp.width()), f32(sapp.height()), 0.0, -1.0, 1.0) sgl.ortho(0.0, f32(sapp.width()), f32(sapp.height()), 0.0, -1.0, 1.0)
sgl.c4b(0, 0, 0, 255) // black sgl.c4b(0, 0, 0, 255) // black
// draw a line as background // draw a line as background
sgl.begin_line_strip() sgl.begin_line_strip()
sgl.v2f(10, 10) sgl.v2f(10, 10)
sgl.v2f(100, 100) sgl.v2f(100, 100)
sgl.end() sgl.end()
// draw text only if the app is already initialized // draw text only if the app is already initialized
if app.init_flag == true { if app.init_flag == true {
sgl.begin_line_strip() sgl.begin_line_strip()
sgl.v2f(410, 400) sgl.v2f(410, 400)
sgl.v2f(510, 400) sgl.v2f(510, 400)
sgl.end() sgl.end()
// update the text // update the text
mut txt1 := &app.ttf_render[0] mut txt1 := &app.ttf_render[0]
if app.frame_c % 2 == 0 { if app.frame_c % 2 == 0 {
txt1.destroy_texture() txt1.destroy_texture()
txt1.create_text(cframe_txt ,43) txt1.create_text(cframe_txt, 43)
txt1.create_texture() txt1.create_texture()
} }
// ----- decomment if you want text rotation ---- // ----- decomment if you want text rotation ----
//txt1.bmp.angle = 3.141592 / 180 * f32(app.frame_c % 360) // txt1.bmp.angle = 3.141592 / 180 * f32(app.frame_c % 360)
//txt1.draw_text_bmp(app.gg, 300, 350) // txt1.draw_text_bmp(app.gg, 300, 350)
//txt1.bmp.angle = 0 // txt1.bmp.angle = 0
txt1.draw_text_bmp(app.gg, 30, 60) txt1.draw_text_bmp(app.gg, 30, 60)
// block test // block test
block_txt := "Today it is a good day! block_txt := "Today it is a good day!
Tommorow I'm not so sure :( Tommorow I'm not so sure :(
@ -88,50 +73,42 @@ But Vwill prevail for sure, V is the way!!
" "
txt1 = &app.ttf_render[1] txt1 = &app.ttf_render[1]
if app.frame_c % 2 == 0 { if app.frame_c % 2 == 0 {
txt1.bmp.justify = false txt1.bmp.justify = false
if (app.frame_c>>6) % 2 == 0 { if (app.frame_c >> 6) % 2 == 0 {
//txt1.align = .left // txt1.align = .left
txt1.bmp.justify = true txt1.bmp.justify = true
} }
txt1.bmp.align = .left txt1.bmp.align = .left
if (app.frame_c>>6) % 3 == 0 { if (app.frame_c >> 6) % 3 == 0 {
txt1.bmp.align = .right txt1.bmp.align = .right
} }
txt1.destroy_texture() txt1.destroy_texture()
txt1.create_text_block(block_txt, 500, 500, 32) txt1.create_text_block(block_txt, 500, 500, 32)
txt1.create_texture() txt1.create_texture()
} }
// decomment if want block color change // decomment if want block color change
//txt1.bmp.color = ttf.color_multiply(0xFF00FFFF, f32(app.frame_c % 255)/255.0) // txt1.bmp.color = ttf.color_multiply(0xFF00FFFF, f32(app.frame_c % 255)/255.0)
// decomment if want block rotation wanted // decomment if want block rotation wanted
//txt1.bmp.angle = 3.141592/180 * f32(app.frame_c % 45) // txt1.bmp.angle = 3.141592/180 * f32(app.frame_c % 45)
txt1.draw_text_bmp(app.gg, 30 + (app.frame_c >> 1) & 0xFF, 200)
txt1.draw_text_bmp(app.gg, 30 + (app.frame_c>>1) & 0xFF , 200)
// draw mouse position // draw mouse position
if app.mouse_x >= 0 { if app.mouse_x >= 0 {
txt1 = &app.ttf_render[2] txt1 = &app.ttf_render[2]
txt1.destroy_texture() txt1.destroy_texture()
txt1.create_text("$app.mouse_x,$app.mouse_y",25) txt1.create_text('$app.mouse_x,$app.mouse_y', 25)
txt1.create_texture() txt1.create_texture()
r := app.mouse_x % 255 r := app.mouse_x % 255
g := app.mouse_y % 255 g := app.mouse_y % 255
color := u32(r << 24) | u32(g << 16) | 0xFF color := u32(r << 24) | u32(g << 16) | 0xFF
txt1.bmp.color = color txt1.bmp.color = color
txt1.draw_text_bmp(app.gg, app.mouse_x , app.mouse_y) txt1.draw_text_bmp(app.gg, app.mouse_x, app.mouse_y)
} }
app.frame_c++
app.frame_c ++
} }
app.gg.end() app.gg.end()
} }
fn my_event_manager(mut ev sapp.Event, mut app &App_data) { fn my_event_manager(mut ev sapp.Event, mut app App_data) {
if ev.typ == .mouse_move { if ev.typ == .mouse_move {
app.mouse_x = int(ev.mouse_x) app.mouse_x = int(ev.mouse_x)
app.mouse_y = int(ev.mouse_y) app.mouse_y = int(ev.mouse_y)
@ -139,13 +116,11 @@ fn my_event_manager(mut ev sapp.Event, mut app &App_data) {
} }
[console] [console]
fn main(){ fn main() {
mut app := &App_data{ mut app := &App_data{
gg: 0 gg: 0
} }
app.gg = gg.new_context(
app.gg = gg.new_context({
width: win_width width: win_width
height: win_height height: win_height
use_ortho: true // This is needed for 2D drawing use_ortho: true // This is needed for 2D drawing
@ -156,47 +131,42 @@ fn main(){
frame_fn: draw_frame frame_fn: draw_frame
event_fn: my_event_manager event_fn: my_event_manager
init_fn: my_init init_fn: my_init
}) )
// load TTF fonts // load TTF fonts
for font_path in font_paths { for font_path in font_paths {
mut tf := ttf.TTF_File{} mut tf := ttf.TTF_File{}
tf.buf = os.read_bytes(font_path) or { panic(err) } tf.buf = os.read_bytes(font_path) or { panic(err) }
println("TrueTypeFont file [$font_path] len: ${tf.buf.len}") println('TrueTypeFont file [$font_path] len: $tf.buf.len')
tf.init() tf.init()
println("Unit per EM: $tf.units_per_em") println('Unit per EM: $tf.units_per_em')
app.tf << tf app.tf << tf
} }
// TTF render 0 Frame counter // TTF render 0 Frame counter
app.ttf_render << &ttf.TTF_render_Sokol { app.ttf_render << &ttf.TTF_render_Sokol{
bmp: &ttf.BitMap{ bmp: &ttf.BitMap{
tf: &(app.tf[0]) tf: &(app.tf[0])
buf: malloc(32000000) buf: malloc(32000000)
buf_size: (32000000) buf_size: (32000000)
color : 0xFF0000FF color: 0xFF0000FF
//style: .raw // style: .raw
//use_font_metrics: true // use_font_metrics: true
} }
} }
// TTF render 1 Text Block // TTF render 1 Text Block
app.ttf_render << &ttf.TTF_render_Sokol { app.ttf_render << &ttf.TTF_render_Sokol{
bmp: &ttf.BitMap{ bmp: &ttf.BitMap{
tf: &(app.tf[1]) tf: &(app.tf[1])
//color : 0xFF0000_10 // color : 0xFF0000_10
//style: .raw // style: .raw
//use_font_metrics: true // use_font_metrics: true
} }
} }
// TTF mouse position render // TTF mouse position render
app.ttf_render << &ttf.TTF_render_Sokol { app.ttf_render << &ttf.TTF_render_Sokol{
bmp: &ttf.BitMap{ bmp: &ttf.BitMap{
tf: &(app.tf[0]) tf: &(app.tf[0])
} }
} }
// setup sokol_gfx
/* setup sokol_gfx */
app.gg.run() app.gg.run()
} }

10
vlib/x/ttf/ttf_test.v
View File

@ -7,6 +7,7 @@
* that can be found in the LICENSE file. * that can be found in the LICENSE file.
* *
* Note: * Note:
* use `v -d create_data vlib/x/ttf/ttf_test.v` to generate binary data for this test file
* *
* TODO: * TODO:
* - manage text directions R to L * - manage text directions R to L
@ -16,8 +17,7 @@ import os
import strings import strings
const ( const (
font_path = "Qarmic_sans_Abridged.ttf" font_path = 'Qarmic_sans_Abridged.ttf'
create_data = false // use true to generate binary data for this test file
) )
fn save_raw_data_as_array(buf_bin []byte, file_name string) { fn save_raw_data_as_array(buf_bin []byte, file_name string) {
@ -30,11 +30,11 @@ fn save_raw_data_as_array(buf_bin []byte, file_name string) {
fn test_main() { fn test_main() {
mut tf := ttf.TTF_File{} mut tf := ttf.TTF_File{}
if create_data == true { $if create_data ? {
tf.buf = os.read_bytes(font_path) or { panic(err) } tf.buf = os.read_bytes(font_path) or { panic(err) }
println("TrueTypeFont file [$font_path] len: ${tf.buf.len}") println("TrueTypeFont file [$font_path] len: ${tf.buf.len}")
save_raw_data_as_array(tf.buf, "test_ttf_Font_arr.bin") save_raw_data_as_array(tf.buf, "test_ttf_Font_arr.bin")
} else { } $else {
tf.buf = font_bytes tf.buf = font_bytes
} }
tf.init() tf.init()
@ -65,7 +65,7 @@ fn test_main() {
bmp.draw_text("Test Text") bmp.draw_text("Test Text")
mut test_buf := get_raw_data(test_data) mut test_buf := get_raw_data(test_data)
if create_data == true { $if create_data ? {
bmp.save_as_ppm("test_ttf.ppm") bmp.save_as_ppm("test_ttf.ppm")
bmp.save_raw_data("test_ttf.bin") bmp.save_raw_data("test_ttf.bin")
test_buf = os.read_bytes("test_ttf.bin") or { panic(err) } test_buf = os.read_bytes("test_ttf.bin") or { panic(err) }