blob: 7423e13bb8befb1adc7d9e937655f261ccfb91bd [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This is a copy of the coresponding android_webview/public/browser header.
// Any changes to the interface should be made there.
// The purpose of having the copy is twofold:
// - it removes the need to have Chromium sources present in the tree in order
// to build the plat_support library,
// - it captures API that the corresponding Android release supports.
#include <jni.h>
#include <stddef.h>
#ifndef __cplusplus
#error "Can't mix C and C++ when using jni.h"
class SkCanvasState;
class SkPicture;
static const int kAwPixelInfoVersion = 3;
// Holds the information required to implement the SW draw to system canvas.
struct AwPixelInfo {
int version; // The kAwPixelInfoVersion this struct was built with.
SkCanvasState* state; // The externalize state in skia format.
// NOTE: If you add more members, bump kAwPixelInfoVersion.
// Function that can be called to fish out the underlying native pixel data
// from a Java canvas object, for optimized rendering path.
// Returns the pixel info on success, which must be freed via a call to
// AwReleasePixelsFunction, or NULL.
typedef AwPixelInfo* (AwAccessPixelsFunction)(JNIEnv* env, jobject canvas);
// Must be called to balance every *successful* call to AwAccessPixelsFunction
// (i.e. that returned true).
typedef void (AwReleasePixelsFunction)(AwPixelInfo* pixels);
// Called to create an Android Picture object encapsulating a native SkPicture.
typedef jobject (AwCreatePictureFunction)(JNIEnv* env, SkPicture* picture);
// Method that returns the current Skia function.
typedef void (SkiaVersionFunction)(int* major, int* minor, int* patch);
// Called to verify if the Skia versions are compatible.
typedef bool (AwIsSkiaVersionCompatibleFunction)(SkiaVersionFunction function);
static const int kAwDrawSWFunctionTableVersion = 1;
// "vtable" for the functions declared in this file. An instance must be set via
// AwContents.setAwDrawSWFunctionTable
struct AwDrawSWFunctionTable {
int version;
AwAccessPixelsFunction* access_pixels;
AwReleasePixelsFunction* release_pixels;