Adds most of the toolsHEADmaster

1 files changed, 87 insertions, 0 deletions

diff --git a/v_windows/v/old/vlib/stbi/stbi.v b/v_windows/v/old/vlib/stbi/stbi.v
new file mode 100644
index 0000000..da72dca
--- /dev/null
+++ b/v_windows/v/old/vlib/stbi/stbi.v
@@ -0,0 +1,87 @@
+// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+
+module stbi
+
+#flag -I @VEXEROOT/thirdparty/stb_image
+#include "stb_image.h"
+#flag @VEXEROOT/thirdparty/stb_image/stbi.o
+
+pub struct Image {
+pub mut:
+	width       int
+	height      int
+	nr_channels int
+	ok          bool
+	data        voidptr
+	ext         string
+}
+
+fn C.stbi_load(filename &char, x &int, y &int, channels_in_file &int, desired_channels int) &byte
+
+fn C.stbi_load_from_file(f voidptr, x &int, y &int, channels_in_file &int, desired_channels int) &byte
+
+fn C.stbi_load_from_memory(buffer &byte, len int, x &int, y &int, channels_in_file &int, desired_channels int) &byte
+
+fn C.stbi_image_free(retval_from_stbi_load &byte)
+
+fn C.stbi_set_flip_vertically_on_load(should_flip int)
+
+fn init() {
+	set_flip_vertically_on_load(false)
+}
+
+pub fn load(path string) ?Image {
+	ext := path.all_after_last('.')
+	mut res := Image{
+		ok: true
+		ext: ext
+		data: 0
+	}
+	// flag := if ext == 'png' { C.STBI_rgb_alpha } else { 0 }
+	desired_channels := if ext == 'png' { 4 } else { 0 }
+	res.data = C.stbi_load(&char(path.str), &res.width, &res.height, &res.nr_channels,
+		desired_channels)
+	if desired_channels == 4 && res.nr_channels == 3 {
+		// Fix an alpha png bug
+		res.nr_channels = 4
+	}
+	if isnil(res.data) {
+		return error('stbi image failed to load from "$path"')
+	}
+	return res
+}
+
+pub fn load_from_memory(buf &byte, bufsize int) ?Image {
+	mut res := Image{
+		ok: true
+		data: 0
+	}
+	flag := C.STBI_rgb_alpha
+	res.data = C.stbi_load_from_memory(buf, bufsize, &res.width, &res.height, &res.nr_channels,
+		flag)
+	if isnil(res.data) {
+		return error('stbi image failed to load from memory')
+	}
+	return res
+}
+
+pub fn (img &Image) free() {
+	C.stbi_image_free(img.data)
+}
+
+/*
+pub fn (img Image) tex_image_2d() {
+	mut rgb_flag := C.GL_RGB
+	if img.ext == 'png' {
+		rgb_flag = C.GL_RGBA
+	}
+	C.glTexImage2D(C.GL_TEXTURE_2D, 0, rgb_flag, img.width, img.height, 0,
+		rgb_flag, C.GL_UNSIGNED_BYTE,	img.data)
+}
+*/
+
+pub fn set_flip_vertically_on_load(val bool) {
+	C.stbi_set_flip_vertically_on_load(val)
+}