1 /* 2 * Copyright 2014 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 // EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL 9 // DO NOT USE -- FOR INTERNAL TESTING ONLY 10 11 #ifndef sk_image_DEFINED 12 #define sk_image_DEFINED 13 14 #include "sk_types.h" 15 16 SK_C_PLUS_PLUS_BEGIN_GUARD 17 18 /** 19 * Return a new image that has made a copy of the provided pixels, or NULL on failure. 20 * Balance with a call to sk_image_unref(). 21 */ 22 SK_API sk_image_t* sk_image_new_raster_copy(const sk_imageinfo_t*, const void* pixels, size_t rowBytes); 23 24 /** 25 * If the specified data can be interpreted as a compressed image (e.g. PNG or JPEG) then this 26 * returns an image. If the encoded data is not supported, returns NULL. 27 * 28 * On success, the encoded data may be processed immediately, or it may be ref()'d for later 29 * use. 30 */ 31 SK_API sk_image_t* sk_image_new_from_encoded(const sk_data_t* encoded, const sk_irect_t* subset); 32 33 /** 34 * Encode the image's pixels and return the result as a new PNG in a 35 * sk_data_t, which the caller must manage: call sk_data_unref() when 36 * they are done. 37 * 38 * If the image type cannot be encoded, this will return NULL. 39 */ 40 SK_API sk_data_t* sk_image_encode(const sk_image_t*); 41 42 /** 43 * Increment the reference count on the given sk_image_t. Must be 44 * balanced by a call to sk_image_unref(). 45 */ 46 SK_API void sk_image_ref(const sk_image_t*); 47 /** 48 * Decrement the reference count. If the reference count is 1 before 49 * the decrement, then release both the memory holding the sk_image_t 50 * and the memory it is managing. New sk_image_t are created with a 51 reference count of 1. 52 */ 53 SK_API void sk_image_unref(const sk_image_t*); 54 55 /** 56 * Return the width of the sk_image_t/ 57 */ 58 SK_API int sk_image_get_width(const sk_image_t*); 59 /** 60 * Return the height of the sk_image_t/ 61 */ 62 SK_API int sk_image_get_height(const sk_image_t*); 63 64 /** 65 * Returns a non-zero value unique among all images. 66 */ 67 SK_API uint32_t sk_image_get_unique_id(const sk_image_t*); 68 69 SK_C_PLUS_PLUS_END_GUARD 70 71 #endif 72
