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examples: reduce C. prefix usage, rename fontstash enums (#14011)

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Larpon 2022-04-11 21:23:06 +02:00 committed by GitHub
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5 changed files with 87 additions and 75 deletions
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120
examples/sokol/fonts.v
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@ -8,9 +8,9 @@ import os
struct AppState {
mut:
pass_action gfx.PassAction
fons &fontstash.Context
font_normal int
pass_action gfx.PassAction
font_context &fontstash.Context
font_normal int
}
[console]
@ -28,7 +28,7 @@ fn main() {
pass_action.colors[0] = color_action
state := &AppState{
pass_action: pass_action
fons: voidptr(0) // &fontstash.Context(0)
font_context: voidptr(0) // &fontstash.Context(0)
}
title := 'V Metal/GL Text Rendering'
desc := sapp.Desc{
@ -45,14 +45,14 @@ fn init(mut state AppState) {
desc := sapp.create_desc()
gfx.setup(&desc)
s := &sgl.Desc{}
C.sgl_setup(s)
state.fons = sfons.create(512, 512, 1)
sgl.setup(s)
state.font_context = sfons.create(512, 512, 1)
// or use DroidSerif-Regular.ttf
if bytes := os.read_bytes(os.resource_abs_path(os.join_path('..', 'assets', 'fonts',
'RobotoMono-Regular.ttf')))
{
println('loaded font: $bytes.len')
state.font_normal = state.fons.add_font_mem('sans', bytes, false)
state.font_normal = state.font_context.add_font_mem('sans', bytes, false)
}
}
@ -76,8 +76,8 @@ fn (state &AppState) render_font() {
brown := sfons.rgba(192, 128, 0, 128)
blue := sfons.rgba(0, 192, 255, 255)
fons := state.fons
fons.clear_state()
font_context := state.font_context
font_context.clear_state()
sgl.defaults()
sgl.matrix_mode_projection()
sgl.ortho(0.0, f32(sapp.width()), f32(sapp.height()), 0.0, -1.0, 1.0)
@ -85,78 +85,78 @@ fn (state &AppState) render_font() {
sy = 50
dx = sx
dy = sy
fons.set_font(state.font_normal)
fons.set_size(100.0)
font_context.set_font(state.font_normal)
font_context.set_size(100.0)
ascender := f32(0.0)
descender := f32(0.0)
fons.vert_metrics(&ascender, &descender, &lh)
font_context.vert_metrics(&ascender, &descender, &lh)
dx = sx
dy += lh
fons.set_color(white)
dx = fons.draw_text(dx, dy, 'The quick ')
fons.set_font(state.font_normal)
fons.set_size(48.0)
fons.set_color(brown)
dx = fons.draw_text(dx, dy, 'brown ')
fons.set_font(state.font_normal)
fons.set_size(24.0)
fons.set_color(white)
dx = fons.draw_text(dx, dy, 'fox ')
font_context.set_color(white)
dx = font_context.draw_text(dx, dy, 'The quick ')
font_context.set_font(state.font_normal)
font_context.set_size(48.0)
font_context.set_color(brown)
dx = font_context.draw_text(dx, dy, 'brown ')
font_context.set_font(state.font_normal)
font_context.set_size(24.0)
font_context.set_color(white)
dx = font_context.draw_text(dx, dy, 'fox ')
dx = sx
dy += lh * 1.2
fons.set_size(20.0)
fons.set_font(state.font_normal)
fons.set_color(blue)
fons.draw_text(dx, dy, 'Now is the time for all good men to come to the aid of the party.')
font_context.set_size(20.0)
font_context.set_font(state.font_normal)
font_context.set_color(blue)
font_context.draw_text(dx, dy, 'Now is the time for all good men to come to the aid of the party.')
dx = 300
dy = 350
fons.set_align(C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
fons.set_size(60.0)
fons.set_font(state.font_normal)
fons.set_color(white)
fons.set_spacing(5.0)
fons.set_blur(6.0)
fons.draw_text(dx, dy, 'Blurry...')
font_context.set_alignment(.left | .baseline)
font_context.set_size(60.0)
font_context.set_font(state.font_normal)
font_context.set_color(white)
font_context.set_spacing(5.0)
font_context.set_blur(6.0)
font_context.draw_text(dx, dy, 'Blurry...')
dx = 300
dy += 50.0
fons.set_size(28.0)
fons.set_font(state.font_normal)
fons.set_color(white)
fons.set_spacing(0.0)
fons.set_blur(3.0)
fons.draw_text(dx, dy + 2, 'DROP SHADOW')
fons.set_color(black)
fons.set_blur(0)
fons.draw_text(dx, dy, 'DROP SHADOW')
fons.set_size(18.0)
fons.set_font(state.font_normal)
fons.set_color(white)
font_context.set_size(28.0)
font_context.set_font(state.font_normal)
font_context.set_color(white)
font_context.set_spacing(0.0)
font_context.set_blur(3.0)
font_context.draw_text(dx, dy + 2, 'DROP SHADOW')
font_context.set_color(black)
font_context.set_blur(0)
font_context.draw_text(dx, dy, 'DROP SHADOW')
font_context.set_size(18.0)
font_context.set_font(state.font_normal)
font_context.set_color(white)
dx = 50
dy = 350
line(f32(dx - 10), f32(dy), f32(dx + 250), f32(dy))
fons.set_align(C.FONS_ALIGN_LEFT | C.FONS_ALIGN_TOP)
dx = fons.draw_text(dx, dy, 'Top')
font_context.set_alignment(.left | .top)
dx = font_context.draw_text(dx, dy, 'Top')
dx += 10
fons.set_align(C.FONS_ALIGN_LEFT | C.FONS_ALIGN_MIDDLE)
dx = fons.draw_text(dx, dy, 'Middle')
font_context.set_alignment(.left | .middle)
dx = font_context.draw_text(dx, dy, 'Middle')
dx += 10
fons.set_align(C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
dx = fons.draw_text(dx, dy, 'Baseline')
font_context.set_alignment(.left | .baseline)
dx = font_context.draw_text(dx, dy, 'Baseline')
dx += 10
fons.set_align(C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BOTTOM)
fons.draw_text(dx, dy, 'Bottom')
font_context.set_alignment(.left | .bottom)
font_context.draw_text(dx, dy, 'Bottom')
dx = 150
dy = 400
line(f32(dx), f32(dy - 30), f32(dx), f32(dy + 80.0))
fons.set_align(C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
fons.draw_text(dx, dy, 'Left')
font_context.set_alignment(.left | .baseline)
font_context.draw_text(dx, dy, 'Left')
dy += 30
fons.set_align(C.FONS_ALIGN_CENTER | C.FONS_ALIGN_BASELINE)
fons.draw_text(dx, dy, 'Center')
font_context.set_alignment(.center | .baseline)
font_context.draw_text(dx, dy, 'Center')
dy += 30
fons.set_align(C.FONS_ALIGN_RIGHT | C.FONS_ALIGN_BASELINE)
fons.draw_text(dx, dy, 'Right')
C.sfons_flush(fons)
font_context.set_alignment(.right | .baseline)
font_context.draw_text(dx, dy, 'Right')
sfons.flush(font_context)
}
fn line(sx f32, sy f32, ex f32, ey f32) {

2
examples/sokol/freetype_raven.v
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@ -97,7 +97,7 @@ fn init(user_data voidptr) {
desc := sapp.create_desc()
gfx.setup(&desc)
s := &sgl.Desc{}
C.sgl_setup(s)
sgl.setup(s)
state.fons = sfons.create(512, 512, 1)
// or use DroidSerif-Regular.ttf
if bytes := os.read_bytes(os.resource_abs_path(os.join_path('..', 'assets', 'fonts',

2
examples/sokol/sounds/wav_player.v
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@ -48,7 +48,7 @@ fn audio_player_callback(buffer &f32, num_frames int, num_channels int, mut p Pl
p.finished = true
return
}
unsafe { C.memcpy(buffer, &p.samples[p.pos], nsamples * int(sizeof(f32))) }
unsafe { vmemcpy(buffer, &p.samples[p.pos], nsamples * int(sizeof(f32))) }
p.pos += nsamples
}

12
vlib/fontstash/fontstash.c.v
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@ -178,7 +178,17 @@ pub fn (s &Context) set_blur(blur f32) {
// See also: clear_state
[inline]
pub fn (s &Context) set_align(align int) {
C.fonsSetAlign(s, align)
C.fonsSetAlign(s, int(align))
}
// set_alignment sets the font aligning to the `align` flags.
//
// See also: push_state
// See also: pop_state
// See also: clear_state
[inline]
pub fn (s &Context) set_alignment(align Align) {
C.fonsSetAlign(s, int(align))
}
// set_font sets the font used for this render on the active state.

26
vlib/fontstash/fontstash_enums.v
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@ -1,23 +1,25 @@
module fontstash
pub enum FonsFlags {
top_left = 1
bottom_left = 2
[flag]
pub enum Flags {
top_left
bottom_left
}
pub enum FonsAlign {
[flag]
pub enum Align {
// Horizontal align
left = 1 // Default
center = 2
right = 4
left // Default
center
right
// Vertical align
top = 8
middle = 16
bottom = 32
baseline = 64 // Default
top
middle
bottom
baseline // Default
}
pub enum FonsErrorCode {
pub enum ErrorCode {
// Font atlas is full.
atlas_full = 1
// Scratch memory used to render glyphs is full, requested size reported in 'val', you may need to bump up FONS_SCRATCH_BUF_SIZE.