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examples: use os.resource_abs_path, so v run examples/ttf_font/example_ttf.v works
This commit is contained in:
Delyan Angelov
parent
c067cc0357
commit
692a718428
@ -2,83 +2,68 @@ import gg
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import gx
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import sokol.sapp
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import sokol.sgl
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import x.ttf
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import os
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//import math
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// import math
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const (
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win_width = 600
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win_height = 700
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bg_color = gx.white
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font_paths = [
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"Imprima-Regular.ttf"
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"Graduate-Regular.ttf"
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os.resource_abs_path('Imprima-Regular.ttf'),
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os.resource_abs_path('Graduate-Regular.ttf'),
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]
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)
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/******************************************************************************
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*
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* UI
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*
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*****************************************************************************/
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// UI
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struct App_data {
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pub mut:
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gg &gg.Context
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sg_img C.sg_image
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init_flag bool
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frame_c int
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gg &gg.Context
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sg_img C.sg_image
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init_flag bool
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frame_c int
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tf []ttf.TTF_File
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ttf_render []ttf.TTF_render_Sokol
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text_ready_flag bool
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mouse_x int = -1
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mouse_y int = -1
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mouse_x int = -1
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mouse_y int = -1
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}
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fn my_init(mut app App_data) {
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app.init_flag = true
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}
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fn draw_frame(mut app &App_data) {
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cframe_txt := "Current Frame: $app.frame_c"
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fn draw_frame(mut app App_data) {
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cframe_txt := 'Current Frame: $app.frame_c'
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app.gg.begin()
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sgl.defaults()
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sgl.matrix_mode_projection()
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sgl.ortho(0.0, f32(sapp.width()), f32(sapp.height()), 0.0, -1.0, 1.0)
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sgl.c4b(0, 0, 0, 255) // black
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// draw a line as background
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sgl.begin_line_strip()
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sgl.v2f(10, 10)
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sgl.v2f(100, 100)
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sgl.end()
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// draw text only if the app is already initialized
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if app.init_flag == true {
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sgl.begin_line_strip()
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sgl.v2f(410, 400)
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sgl.v2f(510, 400)
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sgl.end()
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// update the text
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mut txt1 := &app.ttf_render[0]
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if app.frame_c % 2 == 0 {
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txt1.destroy_texture()
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txt1.create_text(cframe_txt ,43)
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txt1.create_text(cframe_txt, 43)
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txt1.create_texture()
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}
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// ----- decomment if you want text rotation ----
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//txt1.bmp.angle = 3.141592 / 180 * f32(app.frame_c % 360)
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//txt1.draw_text_bmp(app.gg, 300, 350)
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//txt1.bmp.angle = 0
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// txt1.bmp.angle = 3.141592 / 180 * f32(app.frame_c % 360)
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// txt1.draw_text_bmp(app.gg, 300, 350)
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// txt1.bmp.angle = 0
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txt1.draw_text_bmp(app.gg, 30, 60)
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// block test
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block_txt := "Today it is a good day!
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Tommorow I'm not so sure :(
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@ -88,50 +73,42 @@ But Vwill prevail for sure, V is the way!!
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"
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txt1 = &app.ttf_render[1]
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if app.frame_c % 2 == 0 {
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txt1.bmp.justify = false
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if (app.frame_c>>6) % 2 == 0 {
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//txt1.align = .left
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if (app.frame_c >> 6) % 2 == 0 {
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// txt1.align = .left
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txt1.bmp.justify = true
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}
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txt1.bmp.align = .left
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if (app.frame_c>>6) % 3 == 0 {
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if (app.frame_c >> 6) % 3 == 0 {
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txt1.bmp.align = .right
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}
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txt1.destroy_texture()
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txt1.create_text_block(block_txt, 500, 500, 32)
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txt1.create_texture()
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}
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// decomment if want block color change
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//txt1.bmp.color = ttf.color_multiply(0xFF00FFFF, f32(app.frame_c % 255)/255.0)
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// txt1.bmp.color = ttf.color_multiply(0xFF00FFFF, f32(app.frame_c % 255)/255.0)
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// decomment if want block rotation wanted
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//txt1.bmp.angle = 3.141592/180 * f32(app.frame_c % 45)
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txt1.draw_text_bmp(app.gg, 30 + (app.frame_c>>1) & 0xFF , 200)
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// txt1.bmp.angle = 3.141592/180 * f32(app.frame_c % 45)
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txt1.draw_text_bmp(app.gg, 30 + (app.frame_c >> 1) & 0xFF, 200)
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// draw mouse position
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if app.mouse_x >= 0 {
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txt1 = &app.ttf_render[2]
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txt1.destroy_texture()
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txt1.create_text("$app.mouse_x,$app.mouse_y",25)
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txt1.create_text('$app.mouse_x,$app.mouse_y', 25)
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txt1.create_texture()
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r := app.mouse_x % 255
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g := app.mouse_y % 255
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color := u32(r << 24) | u32(g << 16) | 0xFF
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txt1.bmp.color = color
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txt1.draw_text_bmp(app.gg, app.mouse_x , app.mouse_y)
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txt1.draw_text_bmp(app.gg, app.mouse_x, app.mouse_y)
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}
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app.frame_c ++
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app.frame_c++
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}
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app.gg.end()
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}
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fn my_event_manager(mut ev sapp.Event, mut app &App_data) {
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fn my_event_manager(mut ev sapp.Event, mut app App_data) {
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if ev.typ == .mouse_move {
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app.mouse_x = int(ev.mouse_x)
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app.mouse_y = int(ev.mouse_y)
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@ -139,13 +116,11 @@ fn my_event_manager(mut ev sapp.Event, mut app &App_data) {
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}
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[console]
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fn main(){
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fn main() {
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mut app := &App_data{
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gg: 0
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}
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app.gg = gg.new_context({
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app.gg = gg.new_context(
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width: win_width
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height: win_height
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use_ortho: true // This is needed for 2D drawing
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@ -156,47 +131,42 @@ fn main(){
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frame_fn: draw_frame
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event_fn: my_event_manager
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init_fn: my_init
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})
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)
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// load TTF fonts
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for font_path in font_paths {
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mut tf := ttf.TTF_File{}
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tf.buf = os.read_bytes(font_path) or { panic(err) }
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println("TrueTypeFont file [$font_path] len: ${tf.buf.len}")
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println('TrueTypeFont file [$font_path] len: $tf.buf.len')
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tf.init()
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println("Unit per EM: $tf.units_per_em")
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println('Unit per EM: $tf.units_per_em')
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app.tf << tf
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}
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// TTF render 0 Frame counter
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app.ttf_render << &ttf.TTF_render_Sokol {
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app.ttf_render << &ttf.TTF_render_Sokol{
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bmp: &ttf.BitMap{
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tf: &(app.tf[0])
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buf: malloc(32000000)
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buf_size: (32000000)
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color : 0xFF0000FF
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//style: .raw
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//use_font_metrics: true
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color: 0xFF0000FF
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// style: .raw
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// use_font_metrics: true
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}
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}
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// TTF render 1 Text Block
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app.ttf_render << &ttf.TTF_render_Sokol {
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app.ttf_render << &ttf.TTF_render_Sokol{
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bmp: &ttf.BitMap{
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tf: &(app.tf[1])
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//color : 0xFF0000_10
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//style: .raw
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//use_font_metrics: true
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// color : 0xFF0000_10
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// style: .raw
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// use_font_metrics: true
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}
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}
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// TTF mouse position render
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app.ttf_render << &ttf.TTF_render_Sokol {
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app.ttf_render << &ttf.TTF_render_Sokol{
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bmp: &ttf.BitMap{
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tf: &(app.tf[0])
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}
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}
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/* setup sokol_gfx */
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// setup sokol_gfx
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app.gg.run()
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}
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@ -7,6 +7,7 @@
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* that can be found in the LICENSE file.
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*
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* Note:
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* use `v -d create_data vlib/x/ttf/ttf_test.v` to generate binary data for this test file
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*
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* TODO:
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* - manage text directions R to L
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@ -16,8 +17,7 @@ import os
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import strings
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const (
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font_path = "Qarmic_sans_Abridged.ttf"
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create_data = false // use true to generate binary data for this test file
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font_path = 'Qarmic_sans_Abridged.ttf'
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)
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fn save_raw_data_as_array(buf_bin []byte, file_name string) {
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@ -30,11 +30,11 @@ fn save_raw_data_as_array(buf_bin []byte, file_name string) {
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fn test_main() {
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mut tf := ttf.TTF_File{}
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if create_data == true {
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$if create_data ? {
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tf.buf = os.read_bytes(font_path) or { panic(err) }
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println("TrueTypeFont file [$font_path] len: ${tf.buf.len}")
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save_raw_data_as_array(tf.buf, "test_ttf_Font_arr.bin")
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} else {
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} $else {
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tf.buf = font_bytes
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}
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tf.init()
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@ -65,7 +65,7 @@ fn test_main() {
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bmp.draw_text("Test Text")
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mut test_buf := get_raw_data(test_data)
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if create_data == true {
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$if create_data ? {
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bmp.save_as_ppm("test_ttf.ppm")
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bmp.save_raw_data("test_ttf.bin")
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test_buf = os.read_bytes("test_ttf.bin") or { panic(err) }
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