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all: change optional to result of io (#16075)

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This commit is contained in:
yuyi
2022-10-16 14:28:57 +08:00
committed by GitHub
parent 6e46933c55
commit f6844e9766
187 changed files with 1885 additions and 1874 deletions
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22
vlib/sokol/sapp/sapp_v.c.v
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@@ -11,7 +11,7 @@ fn C.v_sapp_gl_read_rgba_pixels(x int, y int, width int, height int, pixels char
// of the file name in `path`.
//
// Supported formats are: `.png`, `.ppm`.
pub fn screenshot(path string) ? {
pub fn screenshot(path string) ! {
match os.file_ext(path) {
'.png' {
return screenshot_png(path)
@@ -28,31 +28,31 @@ pub fn screenshot(path string) ? {
// screenshot_ppm takes a screenshot of the current window and
// saves it to `path` as a .ppm file.
[manualfree]
pub fn screenshot_ppm(path string) ? {
pub fn screenshot_ppm(path string) ! {
ss := screenshot_window()
write_rgba_to_ppm(path, ss.width, ss.height, 4, ss.pixels)?
write_rgba_to_ppm(path, ss.width, ss.height, 4, ss.pixels)!
unsafe { ss.destroy() }
}
// screenshot_png takes a screenshot of the current window and
// saves it to `path` as a .png file.
[manualfree]
pub fn screenshot_png(path string) ? {
pub fn screenshot_png(path string) ! {
ss := screenshot_window()
stbi.set_flip_vertically_on_write(true)
stbi.stbi_write_png(path, ss.width, ss.height, 4, ss.pixels, ss.width * 4)?
stbi.stbi_write_png(path, ss.width, ss.height, 4, ss.pixels, ss.width * 4)!
unsafe { ss.destroy() }
}
// write_rgba_to_ppm writes `pixels` data in RGBA format to PPM3 format.
fn write_rgba_to_ppm(path string, w int, h int, components int, pixels &u8) ? {
mut f_out := os.create(path)?
fn write_rgba_to_ppm(path string, w int, h int, components int, pixels &u8) ! {
mut f_out := os.create(path)!
defer {
f_out.close()
}
f_out.writeln('P3')?
f_out.writeln('$w $h')?
f_out.writeln('255')?
f_out.writeln('P3')!
f_out.writeln('$w $h')!
f_out.writeln('255')!
for i := h - 1; i >= 0; i-- {
for j := 0; j < w; j++ {
idx := i * w * components + j * components
@@ -60,7 +60,7 @@ fn write_rgba_to_ppm(path string, w int, h int, components int, pixels &u8) ? {
r := int(pixels[idx])
g := int(pixels[idx + 1])
b := int(pixels[idx + 2])
f_out.write_string('$r $g $b ')?
f_out.write_string('$r $g $b ')!
}
}
}