io.github.humbleui.skija.Picture Maven / Gradle / Ivy
package io.github.humbleui.skija;
import java.lang.ref.*;
import java.util.function.*;
import org.jetbrains.annotations.*;
import io.github.humbleui.skija.impl.*;
import io.github.humbleui.types.*;
public class Picture extends RefCnt {
static { Library.staticLoad(); }
@ApiStatus.Internal
public Picture(long ptr) {
super(ptr);
}
/**
* Recreates Picture that was serialized into data. Returns constructed Picture
* if successful; otherwise, returns null. Fails if data does not permit
* constructing valid Picture.
*/
@Nullable
public static Picture makeFromData(Data data) {
try {
Stats.onNativeCall();
long ptr = _nMakeFromData(Native.getPtr(data));
return ptr == 0 ? null : new Picture(ptr);
} finally {
Reference.reachabilityFence(data);
}
}
/**
* Replays the drawing commands on the specified canvas. In the case that the
* commands are recorded, each command in the Picture is sent separately to canvas.
*
* To add a single command to draw Picture to recording canvas, call
* {@link Canvas#drawPicture} instead.
*
* @param canvas receiver of drawing commands
* @return this
*
* @see https://fiddle.skia.org/c/@Picture_playback
*/
public Picture playback(Canvas canvas) {
return playback(canvas, null);
}
/**
* Replays the drawing commands on the specified canvas. In the case that the
* commands are recorded, each command in the Picture is sent separately to canvas.
*
* To add a single command to draw Picture to recording canvas, call
* {@link Canvas#drawPicture} instead.
*
* @param canvas receiver of drawing commands
* @param abort return true to interrupt the playback
* @return this
*
* @see https://fiddle.skia.org/c/@Picture_playback
*/
public Picture playback(Canvas canvas, @Nullable BooleanSupplier abort) {
try {
Stats.onNativeCall();
_nPlayback(_ptr, Native.getPtr(canvas), abort);
return this;
} finally {
Reference.reachabilityFence(canvas);
}
}
/**
* Returns cull Rect for this picture, passed in when Picture was created.
* Returned Rect does not specify clipping Rect for Picture; cull is hint
* of Picture bounds.
*
* Picture is free to discard recorded drawing commands that fall outside cull.
*
* @return bounds passed when Picture was created
*
* @see https://fiddle.skia.org/c/@Picture_cullRect
*/
public Rect getCullRect() {
try {
Stats.onNativeCall();
return _nGetCullRect(_ptr);
} finally {
Reference.reachabilityFence(this);
}
}
/**
* Returns a non-zero value unique among Picture in Skia process.
*
* @return identifier for Picture
*/
public int getUniqueId() {
try {
Stats.onNativeCall();
return _nGetUniqueId(_ptr);
} finally {
Reference.reachabilityFence(this);
}
}
/**
* @return storage containing Data describing Picture.
*
* @see https://fiddle.skia.org/c/@Picture_serialize
*/
public Data serializeToData() {
try {
Stats.onNativeCall();
return new Data(_nSerializeToData(_ptr));
} finally {
Reference.reachabilityFence(this);
}
}
/**
* Returns a placeholder Picture. Result does not draw, and contains only
* cull Rect, a hint of its bounds. Result is immutable; it cannot be changed
* later. Result identifier is unique.
*
* Returned placeholder can be intercepted during playback to insert other
* commands into Canvas draw stream.
*
* @param cull placeholder dimensions
* @return placeholder with unique identifier
*
* @see https://fiddle.skia.org/c/@Picture_MakePlaceholder
*/
public static Picture makePlaceholder(@NotNull Rect cull) {
Stats.onNativeCall();
return new Picture(_nMakePlaceholder(cull._left, cull._top, cull._right, cull._bottom));
}
/**
* Returns the approximate number of operations in SkPicture. Returned value
* may be greater or less than the number of SkCanvas calls
* recorded: some calls may be recorded as more than one operation, other
* calls may be optimized away.
*
* @return approximate operation count
*
* @see https://fiddle.skia.org/c/@Picture_approximateOpCount
*/
public int getApproximateOpCount() {
try {
Stats.onNativeCall();
return _nGetApproximateOpCount(_ptr);
} finally {
Reference.reachabilityFence(this);
}
}
/**
* Returns the approximate byte size of Picture. Does not include large objects
* referenced by Picture.
*
* @return approximate size
*
* @see https://fiddle.skia.org/c/@Picture_approximateBytesUsed
*/
public long getApproximateBytesUsed() {
try {
Stats.onNativeCall();
return _nGetApproximateBytesUsed(_ptr);
} finally {
Reference.reachabilityFence(this);
}
}
/**
* Return a new shader that will draw with this picture. The tile rect is considered
* equal to the picture bounds.
*
* @param tmx The tiling mode to use when sampling in the x-direction.
* @param tmy The tiling mode to use when sampling in the y-direction.
* @param mode How to filter the tiles
* @return Returns a new shader object. Note: this function never returns null.
*/
@NotNull
public Shader makeShader(@NotNull FilterTileMode tmx,
@NotNull FilterTileMode tmy,
@NotNull FilterMode mode) {
return makeShader(tmx, tmy, mode, null, null);
}
/**
* Return a new shader that will draw with this picture. The tile rect is considered
* equal to the picture bounds.
*
* @param tmx The tiling mode to use when sampling in the x-direction.
* @param tmy The tiling mode to use when sampling in the y-direction.
* @param mode How to filter the tiles
* @param localMatrix Optional matrix used when sampling
* @return Returns a new shader object. Note: this function never returns null.
*/
@NotNull
public Shader makeShader(@NotNull FilterTileMode tmx,
@NotNull FilterTileMode tmy,
@NotNull FilterMode mode,
@Nullable Matrix33 localMatrix) {
return makeShader(tmx, tmy, mode, localMatrix, null);
}
/**
* Return a new shader that will draw with this picture.
*
* @param tmx The tiling mode to use when sampling in the x-direction.
* @param tmy The tiling mode to use when sampling in the y-direction.
* @param mode How to filter the tiles
* @param localMatrix Optional matrix used when sampling
* @param tileRect The tile rectangle in picture coordinates: this represents the subset
* (or superset) of the picture used when building a tile. It is not
* affected by localMatrix and does not imply scaling (only translation
* and cropping). If null, the tile rect is considered equal to the picture
* bounds.
* @return Returns a new shader object. Note: this function never returns null.
*/
@NotNull
public Shader makeShader(@NotNull FilterTileMode tmx,
@NotNull FilterTileMode tmy,
@NotNull FilterMode mode,
@Nullable Matrix33 localMatrix,
@Nullable Rect tileRect)
{
try {
Stats.onNativeCall();
float[] arr = localMatrix == null ? null : localMatrix._mat;
return new Shader(_nMakeShader(_ptr, tmx.ordinal(), tmy.ordinal(), mode.ordinal(), arr, tileRect));
} finally {
Reference.reachabilityFence(this);
}
}
@ApiStatus.Internal public static native long _nMakeFromData(long dataPtr /*, SkDeserialProcs */);
@ApiStatus.Internal public static native void _nPlayback(long ptr, long canvasPtr, @Nullable BooleanSupplier abort);
@ApiStatus.Internal public static native Rect _nGetCullRect(long ptr);
@ApiStatus.Internal public static native int _nGetUniqueId(long ptr);
@ApiStatus.Internal public static native long _nSerializeToData(long ptr /*, SkSerialProcs */);
@ApiStatus.Internal public static native long _nMakePlaceholder(float left, float top, float right, float bottom);
@ApiStatus.Internal public static native int _nGetApproximateOpCount(long ptr);
@ApiStatus.Internal public static native long _nGetApproximateBytesUsed(long ptr);
@ApiStatus.Internal public static native long _nMakeShader(long ptr, int tmx, int tmy, int filterMode, float[] localMatrix, Rect tileRect);
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