org.lwjgl.stb.STBIIOCallbacks Maven / Gradle / Ivy
/*
* Copyright LWJGL. All rights reserved.
* License terms: https://www.lwjgl.org/license
* MACHINE GENERATED FILE, DO NOT EDIT
*/
package org.lwjgl.stb;
import javax.annotation.*;
import java.nio.*;
import org.lwjgl.*;
import org.lwjgl.system.*;
import static org.lwjgl.system.Checks.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.system.MemoryStack.*;
/**
* Image IO callbacks, used by {@link STBImage#stbi_load_from_callbacks load_from_callbacks}.
*
* Member documentation
*
*
* - {@code read} – fill {@code data} with {@code size} bytes. Return number of bytes actually read.
* - {@code skip} – skip the next {@code n} bytes, or {@code unget} the last -n bytes if negative
* - {@code eof} – returns nonzero if we are at end of file/data
*
*
* Layout
*
*
* struct stbi_io_callbacks {
* int (*{@link STBIReadCallbackI read}) (void *user, char *data, int size);
* void (*{@link STBISkipCallbackI skip}) (void *user, int n);
* int (*{@link STBIEOFCallbackI eof}) (void *user);
* }
*/
@NativeType("struct stbi_io_callbacks")
public class STBIIOCallbacks extends Struct implements NativeResource {
/** The struct size in bytes. */
public static final int SIZEOF;
/** The struct alignment in bytes. */
public static final int ALIGNOF;
/** The struct member offsets. */
public static final int
READ,
SKIP,
EOF;
static {
Layout layout = __struct(
__member(POINTER_SIZE),
__member(POINTER_SIZE),
__member(POINTER_SIZE)
);
SIZEOF = layout.getSize();
ALIGNOF = layout.getAlignment();
READ = layout.offsetof(0);
SKIP = layout.offsetof(1);
EOF = layout.offsetof(2);
}
/**
* Creates a {@code STBIIOCallbacks} instance at the current position of the specified {@link ByteBuffer} container. Changes to the buffer's content will be
* visible to the struct instance and vice versa.
*
* The created instance holds a strong reference to the container object.
*/
public STBIIOCallbacks(ByteBuffer container) {
super(memAddress(container), __checkContainer(container, SIZEOF));
}
@Override
public int sizeof() { return SIZEOF; }
/** Returns the value of the {@code read} field. */
@NativeType("int (*) (void *, char *, int)")
public STBIReadCallback read() { return nread(address()); }
/** Returns the value of the {@code skip} field. */
@NativeType("void (*) (void *, int)")
public STBISkipCallback skip() { return nskip(address()); }
/** Returns the value of the {@code eof} field. */
@NativeType("int (*) (void *)")
public STBIEOFCallback eof() { return neof(address()); }
/** Sets the specified value to the {@code read} field. */
public STBIIOCallbacks read(@NativeType("int (*) (void *, char *, int)") STBIReadCallbackI value) { nread(address(), value); return this; }
/** Sets the specified value to the {@code skip} field. */
public STBIIOCallbacks skip(@NativeType("void (*) (void *, int)") STBISkipCallbackI value) { nskip(address(), value); return this; }
/** Sets the specified value to the {@code eof} field. */
public STBIIOCallbacks eof(@NativeType("int (*) (void *)") STBIEOFCallbackI value) { neof(address(), value); return this; }
/** Initializes this struct with the specified values. */
public STBIIOCallbacks set(
STBIReadCallbackI read,
STBISkipCallbackI skip,
STBIEOFCallbackI eof
) {
read(read);
skip(skip);
eof(eof);
return this;
}
/**
* Copies the specified struct data to this struct.
*
* @param src the source struct
*
* @return this struct
*/
public STBIIOCallbacks set(STBIIOCallbacks src) {
memCopy(src.address(), address(), SIZEOF);
return this;
}
// -----------------------------------
/** Returns a new {@code STBIIOCallbacks} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed. */
public static STBIIOCallbacks malloc() {
return wrap(STBIIOCallbacks.class, nmemAllocChecked(SIZEOF));
}
/** Returns a new {@code STBIIOCallbacks} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed. */
public static STBIIOCallbacks calloc() {
return wrap(STBIIOCallbacks.class, nmemCallocChecked(1, SIZEOF));
}
/** Returns a new {@code STBIIOCallbacks} instance allocated with {@link BufferUtils}. */
public static STBIIOCallbacks create() {
ByteBuffer container = BufferUtils.createByteBuffer(SIZEOF);
return wrap(STBIIOCallbacks.class, memAddress(container), container);
}
/** Returns a new {@code STBIIOCallbacks} instance for the specified memory address. */
public static STBIIOCallbacks create(long address) {
return wrap(STBIIOCallbacks.class, address);
}
/** Like {@link #create(long) create}, but returns {@code null} if {@code address} is {@code NULL}. */
@Nullable
public static STBIIOCallbacks createSafe(long address) {
return address == NULL ? null : wrap(STBIIOCallbacks.class, address);
}
/**
* Returns a new {@link STBIIOCallbacks.Buffer} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static STBIIOCallbacks.Buffer malloc(int capacity) {
return wrap(Buffer.class, nmemAllocChecked(__checkMalloc(capacity, SIZEOF)), capacity);
}
/**
* Returns a new {@link STBIIOCallbacks.Buffer} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static STBIIOCallbacks.Buffer calloc(int capacity) {
return wrap(Buffer.class, nmemCallocChecked(capacity, SIZEOF), capacity);
}
/**
* Returns a new {@link STBIIOCallbacks.Buffer} instance allocated with {@link BufferUtils}.
*
* @param capacity the buffer capacity
*/
public static STBIIOCallbacks.Buffer create(int capacity) {
ByteBuffer container = __create(capacity, SIZEOF);
return wrap(Buffer.class, memAddress(container), capacity, container);
}
/**
* Create a {@link STBIIOCallbacks.Buffer} instance at the specified memory.
*
* @param address the memory address
* @param capacity the buffer capacity
*/
public static STBIIOCallbacks.Buffer create(long address, int capacity) {
return wrap(Buffer.class, address, capacity);
}
/** Like {@link #create(long, int) create}, but returns {@code null} if {@code address} is {@code NULL}. */
@Nullable
public static STBIIOCallbacks.Buffer createSafe(long address, int capacity) {
return address == NULL ? null : wrap(Buffer.class, address, capacity);
}
// -----------------------------------
/** Returns a new {@code STBIIOCallbacks} instance allocated on the thread-local {@link MemoryStack}. */
public static STBIIOCallbacks mallocStack() {
return mallocStack(stackGet());
}
/** Returns a new {@code STBIIOCallbacks} instance allocated on the thread-local {@link MemoryStack} and initializes all its bits to zero. */
public static STBIIOCallbacks callocStack() {
return callocStack(stackGet());
}
/**
* Returns a new {@code STBIIOCallbacks} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
*/
public static STBIIOCallbacks mallocStack(MemoryStack stack) {
return wrap(STBIIOCallbacks.class, stack.nmalloc(ALIGNOF, SIZEOF));
}
/**
* Returns a new {@code STBIIOCallbacks} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
*/
public static STBIIOCallbacks callocStack(MemoryStack stack) {
return wrap(STBIIOCallbacks.class, stack.ncalloc(ALIGNOF, 1, SIZEOF));
}
/**
* Returns a new {@link STBIIOCallbacks.Buffer} instance allocated on the thread-local {@link MemoryStack}.
*
* @param capacity the buffer capacity
*/
public static STBIIOCallbacks.Buffer mallocStack(int capacity) {
return mallocStack(capacity, stackGet());
}
/**
* Returns a new {@link STBIIOCallbacks.Buffer} instance allocated on the thread-local {@link MemoryStack} and initializes all its bits to zero.
*
* @param capacity the buffer capacity
*/
public static STBIIOCallbacks.Buffer callocStack(int capacity) {
return callocStack(capacity, stackGet());
}
/**
* Returns a new {@link STBIIOCallbacks.Buffer} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static STBIIOCallbacks.Buffer mallocStack(int capacity, MemoryStack stack) {
return wrap(Buffer.class, stack.nmalloc(ALIGNOF, capacity * SIZEOF), capacity);
}
/**
* Returns a new {@link STBIIOCallbacks.Buffer} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static STBIIOCallbacks.Buffer callocStack(int capacity, MemoryStack stack) {
return wrap(Buffer.class, stack.ncalloc(ALIGNOF, capacity, SIZEOF), capacity);
}
// -----------------------------------
/** Unsafe version of {@link #read}. */
public static STBIReadCallback nread(long struct) { return STBIReadCallback.create(memGetAddress(struct + STBIIOCallbacks.READ)); }
/** Unsafe version of {@link #skip}. */
public static STBISkipCallback nskip(long struct) { return STBISkipCallback.create(memGetAddress(struct + STBIIOCallbacks.SKIP)); }
/** Unsafe version of {@link #eof}. */
public static STBIEOFCallback neof(long struct) { return STBIEOFCallback.create(memGetAddress(struct + STBIIOCallbacks.EOF)); }
/** Unsafe version of {@link #read(STBIReadCallbackI) read}. */
public static void nread(long struct, STBIReadCallbackI value) { memPutAddress(struct + STBIIOCallbacks.READ, value.address()); }
/** Unsafe version of {@link #skip(STBISkipCallbackI) skip}. */
public static void nskip(long struct, STBISkipCallbackI value) { memPutAddress(struct + STBIIOCallbacks.SKIP, value.address()); }
/** Unsafe version of {@link #eof(STBIEOFCallbackI) eof}. */
public static void neof(long struct, STBIEOFCallbackI value) { memPutAddress(struct + STBIIOCallbacks.EOF, value.address()); }
/**
* Validates pointer members that should not be {@code NULL}.
*
* @param struct the struct to validate
*/
public static void validate(long struct) {
check(memGetAddress(struct + STBIIOCallbacks.READ));
check(memGetAddress(struct + STBIIOCallbacks.SKIP));
check(memGetAddress(struct + STBIIOCallbacks.EOF));
}
/**
* Calls {@link #validate(long)} for each struct contained in the specified struct array.
*
* @param array the struct array to validate
* @param count the number of structs in {@code array}
*/
public static void validate(long array, int count) {
for (int i = 0; i < count; i++) {
validate(array + Integer.toUnsignedLong(i) * SIZEOF);
}
}
// -----------------------------------
/** An array of {@link STBIIOCallbacks} structs. */
public static class Buffer extends StructBuffer implements NativeResource {
private static final STBIIOCallbacks ELEMENT_FACTORY = STBIIOCallbacks.create(-1L);
/**
* Creates a new {@code STBIIOCallbacks.Buffer} instance backed by the specified container.
*
* Changes to the container's content will be visible to the struct buffer instance and vice versa. The two buffers' position, limit, and mark values
* will be independent. The new buffer's position will be zero, its capacity and its limit will be the number of bytes remaining in this buffer divided
* by {@link STBIIOCallbacks#SIZEOF}, and its mark will be undefined.
*
* The created buffer instance holds a strong reference to the container object.
*/
public Buffer(ByteBuffer container) {
super(container, container.remaining() / SIZEOF);
}
public Buffer(long address, int cap) {
super(address, null, -1, 0, cap, cap);
}
Buffer(long address, @Nullable ByteBuffer container, int mark, int pos, int lim, int cap) {
super(address, container, mark, pos, lim, cap);
}
@Override
protected Buffer self() {
return this;
}
@Override
protected STBIIOCallbacks getElementFactory() {
return ELEMENT_FACTORY;
}
/** Returns the value of the {@code read} field. */
@NativeType("int (*) (void *, char *, int)")
public STBIReadCallback read() { return STBIIOCallbacks.nread(address()); }
/** Returns the value of the {@code skip} field. */
@NativeType("void (*) (void *, int)")
public STBISkipCallback skip() { return STBIIOCallbacks.nskip(address()); }
/** Returns the value of the {@code eof} field. */
@NativeType("int (*) (void *)")
public STBIEOFCallback eof() { return STBIIOCallbacks.neof(address()); }
/** Sets the specified value to the {@code read} field. */
public STBIIOCallbacks.Buffer read(@NativeType("int (*) (void *, char *, int)") STBIReadCallbackI value) { STBIIOCallbacks.nread(address(), value); return this; }
/** Sets the specified value to the {@code skip} field. */
public STBIIOCallbacks.Buffer skip(@NativeType("void (*) (void *, int)") STBISkipCallbackI value) { STBIIOCallbacks.nskip(address(), value); return this; }
/** Sets the specified value to the {@code eof} field. */
public STBIIOCallbacks.Buffer eof(@NativeType("int (*) (void *)") STBIEOFCallbackI value) { STBIIOCallbacks.neof(address(), value); return this; }
}
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