Initial project import

tools/v/thirdparty/stb_image/README.md

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+# [nothings/stb](https://github.com/nothings/stb)
+
+stb_image.h is a public domain image loader for popular graphics file formats.
+
+## MIT license
+
+```
+Copyright (c) 2017 Sean Barrett
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+```

tools/v/thirdparty/stb_image/stb_v_header.h

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+/*
+* stbi set globals var functions
+*/
+void set_png_compression_level(int level);
+void write_force_png_filter(int level);
+void write_tga_with_rle(int level);

tools/v/thirdparty/stb_image/stbi.c

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+#define STB_IMAGE_IMPLEMENTATION
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+#define STB_IMAGE_RESIZE_IMPLEMENTATION
+
+#include <stddef.h>
+
+extern void * stbi__callback_malloc(size_t size);
+extern void * stbi__callback_realloc(void *ptr, size_t size);
+extern void   stbi__callback_free(void *ptr);
+
+#define STBI_MALLOC(sz)           stbi__callback_malloc(sz)
+#define STBI_REALLOC(p,newsz)     stbi__callback_realloc(p,newsz)
+#define STBI_FREE(p)              stbi__callback_free(p)
+#define STBIW_MALLOC(sz)          stbi__callback_malloc(sz)
+#define STBIW_REALLOC(p,newsz)    stbi__callback_realloc(p,newsz)
+#define STBIW_FREE(p)             stbi__callback_free(p)
+
+#include "stb_image.h"
+#include "stb_image_write.h"
+#include "stb_image_resize2.h"
+
+/*
+void set_png_compression_level(int level);
+void write_force_png_filter(int level);
+void write_tga_with_rle(int level);
+*/
+
+void set_png_compression_level(int level) {
+	stbi_write_png_compression_level = level;
+}
+
+void write_force_png_filter(int level){
+	stbi_write_force_png_filter = level;
+}
+
+void write_tga_with_rle(int level) {
+	stbi_write_tga_with_rle = level;
+}
+