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/* Copyright (c) 2009-2010 The Khronos Group Inc.
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* Portions copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and/or associated documentation files (the
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* "Materials"), to deal in the Materials without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Materials, and to
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* permit persons to whom the Materials are furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Materials.
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*
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* THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "owfattributes.h"
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#include "owfmemory.h"
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#include "owfdebug.h"
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#define OWF_ATTRIB_RANGE_START (0)
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#define OWF_ATTRIB_RANGE_UNINITIALIZED (-1)
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static OWFint OWF_Attribute_Commit(OWF_ATTRIBUTE* aAttr, OWFint aDirtyFlag, OWFint aCopyTo,OWFint aCopyFrom);
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/*
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This attribute class is not used for WFC element attributes because elements are
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completely cloned in the committed scene.
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[This class could be replaced with 3 copies of a much simpler writable attributes raw
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structure with simple data members, and the whole structure copied each commit.]
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Normal attribute values have three pointers indexed via an array:
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COMMITTED_ATTR_VALUE_INDEX:
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Attribute values used by the scene
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- points to named variables directly used by the compositor
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WORKING_ATTR_VALUE_INDEX:
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Attribute values that may be set by the client, if they are not read-only.
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SNAPSHOT_ATTR_VALUE_INDEX
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A copy of the client-set attribute values following a client call to wfcCommit
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The copy is then protected against further modification by the client until
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the committed scene is updated and displayed.
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The Working and Snapshot writable attributes require additional cache storage,
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which is managed by the lifetime of the attribute list.
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Read-only attributes point all three pointers at the named compositor variables.
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Currently, there are relatively few writable attributes so it is reasonable
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to individually dynamically allocate each cache. It would be better to allocate
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a single block sized after the attributes have been registered.
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Internal code is expected to read or write to member variables that are abstracted
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by read-only attributes. However they must not write directly to member variables
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masked by writable attributes after the initial "commit" to working. The code does
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not currently use const instances to enforce this behavior.
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*/
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#define COND_FAIL_NR(ctx, condition, error) \
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if (!(condition)) { \
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if (ctx) { \
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(ctx)->last_error = error; \
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} \
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return; \
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}
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#define COND_FAIL(ctx, condition, error, r) \
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if (!(condition)) { \
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if (ctx) { \
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(ctx)->last_error = error; \
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} \
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return r; \
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}
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// NS here means No Set as we are not setting the last_error member of the context.
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// These are used when we are testing the context itself so setting the last_error
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// member is itself is an error
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#define COND_FAIL_NR_NS(condition) \
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if (!(condition)) { \
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return; \
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}
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#define COND_FAIL_NS(condition, r) \
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if (!(condition)) { \
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return r; \
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}
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#define CHECK_INDEX_NR(ctx, index, error) \
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if (index < (ctx)->range_start || index > (ctx)->range_end) { \
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(ctx)->last_error = error; \
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return; \
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}
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#define CHECK_INDEX(ctx, index, error, r) \
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if (index < (ctx)->range_start || index > (ctx)->range_end) { \
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(ctx)->last_error = error; \
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return r; \
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}
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#define CHECK_BAD_NR(ctx, index) \
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CHECK_INDEX_NR(ctx, index, ATTR_ERROR_INVALID_ATTRIBUTE); \
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if ((ctx)->attributes[index-(ctx)->range_start].attr_info.type == AT_UNDEFINED) { \
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(ctx)->last_error = ATTR_ERROR_INVALID_ATTRIBUTE; \
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return; \
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}
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#define CHECK_BAD(ctx, index, r) \
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CHECK_INDEX(ctx, index, ATTR_ERROR_INVALID_ATTRIBUTE, r); \
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if ((ctx)->attributes[index-(ctx)->range_start].attr_info.type == AT_UNDEFINED) { \
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(ctx)->last_error = ATTR_ERROR_INVALID_ATTRIBUTE; \
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return r; \
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}
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#define SET_ERROR(ctx, err) \
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if ((ctx)->last_error == ATTR_ERROR_NONE) { \
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(ctx)->last_error = err; \
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}
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/*
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=============================================================================
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ATTRIBUTE CONTEXT MANAGEMENT FUNCTIONS
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=============================================================================
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*/
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/*!
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* \brief Initializes attribute context
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*
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* \param aContext Attribute context to initialize
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* \param aStart Attribute range start
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* \param aEnd Attribute range end. Must be greater than range start.
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*
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* \return ATTR_ERROR_INVALID_ARGUMENT
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* ATTR_ERROR_NO_MEMORY
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*/
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OWF_API_CALL void
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OWF_AttributeList_Create(OWF_ATTRIBUTE_LIST* aContext,
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OWFint aStart,
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OWFint aEnd)
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{
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OWF_ATTRIBUTE* temp = NULL;
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COND_FAIL_NR_NS(aContext);
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COND_FAIL_NR(aContext, aEnd >= 0, ATTR_ERROR_INVALID_ARGUMENT);
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COND_FAIL_NR(aContext, aEnd >= aStart, ATTR_ERROR_INVALID_ARGUMENT);
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aContext->range_start = OWF_ATTRIB_RANGE_START;
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aContext->range_end = OWF_ATTRIB_RANGE_UNINITIALIZED;
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temp = (OWF_ATTRIBUTE*) xalloc(aEnd - aStart + 1, sizeof(OWF_ATTRIBUTE));
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COND_FAIL_NR(aContext, temp, ATTR_ERROR_NO_MEMORY);
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memset(aContext, 0, sizeof(OWF_ATTRIBUTE_LIST));
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aContext->range_start = aStart;
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aContext->range_end = aEnd;
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aContext->attributes = temp;
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SET_ERROR(aContext, ATTR_ERROR_NONE);
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return;
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}
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/*!
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* \brief Destroy attribute context and free any resources (memory
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* blocks) allocated to it. All attributes are destroyed.
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*
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* \param aContext Attribute context to destroy
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*
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* \return ATTR_ERROR_INVALID_ARGUMENT
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* ATTR_ERROR_INVALID_CONTEXT
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*/
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OWF_API_CALL void
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OWF_AttributeList_Destroy(OWF_ATTRIBUTE_LIST* aContext)
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{
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OWFint count = 0;
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OWFint at = 0;
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OWFint cache = 0;
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COND_FAIL_NR_NS(aContext);
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COND_FAIL_NR(aContext, aContext->attributes, ATTR_ERROR_INVALID_CONTEXT);
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count = aContext->range_end - aContext->range_start;
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for (at = 0; at <= count; at++) {
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OWF_ATTRIBUTE* attr = &aContext->attributes[at];
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if (!attr->attr_info.readonly)
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{
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for (cache=0;cache<NUM_ATTR_VALUE_COPIES;cache++)
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{
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if (cache!=COMMITTED_ATTR_VALUE_INDEX)
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{
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xfree(attr->attr_value[cache].gen_ptr);
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}
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}
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}
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}
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xfree(aContext->attributes);
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memset(aContext, 0, sizeof(OWF_ATTRIBUTE_LIST));
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SET_ERROR(aContext, ATTR_ERROR_NONE);
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return;
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}
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/*
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*/
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OWF_API_CALL OWF_ATTRIBUTE_LIST_STATUS
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OWF_AttributeList_GetError(OWF_ATTRIBUTE_LIST* aContext)
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{
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OWF_ATTRIBUTE_LIST_STATUS error;
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if (!aContext) {
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return ATTR_ERROR_INVALID_ARGUMENT;
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}
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error = aContext->last_error;
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aContext->last_error = ATTR_ERROR_NONE;
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return error;
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}
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/*
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=============================================================================
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INITIALIZATION FUNCTIONS
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=============================================================================
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*/
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static void OWF_Attribute_Init(OWF_ATTRIBUTE_LIST* aContext,
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OWFint aName,
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OWF_ATTRIBUTE_TYPE aType,
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OWFint aLength,
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void* aValue,
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OWFboolean aRdOnly)
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{
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OWF_ATTRIBUTE* attr = NULL;
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void* cache = NULL;
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OWFint itemSize;
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OWFint arraySize;
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OWFint copy;
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OWFint index;
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COND_FAIL_NR_NS(aContext);
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CHECK_INDEX_NR(aContext, aName, ATTR_ERROR_INVALID_ATTRIBUTE);
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COND_FAIL_NR(aContext, aContext->attributes, ATTR_ERROR_INVALID_CONTEXT);
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COND_FAIL_NR(aContext, aLength < MAX_ATTR_LENGTH, ATTR_ERROR_CANT_HANDLE);
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COND_FAIL_NR(aContext, aType != AT_UNDEFINED, ATTR_ERROR_INVALID_ARGUMENT);
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index = aName - aContext->range_start;
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attr = &aContext->attributes[index];
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memset(attr, 0, sizeof(OWF_ATTRIBUTE));
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/* when allocin', size DOES matter */
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if (aType == AT_INTEGER || aType == AT_BOOLEAN) {
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itemSize = sizeof(OWFint);
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} else {
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itemSize = sizeof(OWFfloat);
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}
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arraySize=itemSize*aLength;
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/* don't allocate cache for read-only 'butes */
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attr->attr_info.type = aType;
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attr->attr_info.length = aLength;
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attr->attr_info.readonly = aRdOnly;
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attr->attr_info.size = itemSize;
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if (aRdOnly)
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{
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for (copy=0;copy<NUM_ATTR_VALUE_COPIES;copy++)
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{
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attr->attr_value[copy].gen_ptr = aValue;
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}
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}
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else
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{
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for (copy=0;copy<NUM_ATTR_VALUE_COPIES;copy++)
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{
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if (copy==COMMITTED_ATTR_VALUE_INDEX)
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{
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attr->attr_value[COMMITTED_ATTR_VALUE_INDEX].gen_ptr = aValue;
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}
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else
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{
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cache = xalloc(arraySize,1);
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COND_FAIL_NR(aContext, NULL != cache, ATTR_ERROR_NO_MEMORY);
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attr->attr_value[copy].gen_ptr = cache;
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}
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}
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}
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SET_ERROR(aContext, ATTR_ERROR_NONE);
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}
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/*
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* \brief Intialize integer attribute
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*
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* \param aContext Attibute context
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* \param aName Attribute name
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* \param aValue Attribute initial value
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* \param aRdOnly Read-only flag
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*
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* \return ATTR_ERROR_INVALID_ARGUMENT
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* ATTR_ERROR_INVALID_ATTRIBUTE
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* ATTR_ERROR_INVALID_CONTEXT
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*/
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OWF_API_CALL void
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OWF_Attribute_Initi(OWF_ATTRIBUTE_LIST* aContext,
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OWFint aName,
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OWF_INT_REF aValue,
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OWFboolean aRdOnly)
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{
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OWF_Attribute_Init(aContext, aName, AT_INTEGER, 1, aValue, aRdOnly);
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}
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/*
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* \brief Initialize float attribute
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sl@0
|
330 |
*
|
sl@0
|
331 |
* \param aContext Attribute context
|
sl@0
|
332 |
* \param aName Attribute name
|
sl@0
|
333 |
* \param aValue Initial value for attribute
|
sl@0
|
334 |
* \param aRdOnly Read-only flag
|
sl@0
|
335 |
*
|
sl@0
|
336 |
* \return ATTR_ERROR_INVALID_ARGUMENT
|
sl@0
|
337 |
* ATTR_ERROR_INVALID_ATTRIBUTE
|
sl@0
|
338 |
* ATTR_ERROR_INVALID_CONTEXT
|
sl@0
|
339 |
*/
|
sl@0
|
340 |
OWF_API_CALL void
|
sl@0
|
341 |
OWF_Attribute_Initf(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
342 |
OWFint aName,
|
sl@0
|
343 |
OWF_FLOAT_REF aValue,
|
sl@0
|
344 |
OWFboolean aRdOnly)
|
sl@0
|
345 |
{
|
sl@0
|
346 |
OWF_Attribute_Init(aContext, aName, AT_FLOAT, 1, aValue, aRdOnly);
|
sl@0
|
347 |
}
|
sl@0
|
348 |
|
sl@0
|
349 |
/*
|
sl@0
|
350 |
* \brief Initialize boolean attribute
|
sl@0
|
351 |
*
|
sl@0
|
352 |
* \param aContext Attribute context
|
sl@0
|
353 |
* \param aName Attribute name
|
sl@0
|
354 |
* \param aValue Initial value for attribute
|
sl@0
|
355 |
* \param aRdOnly Read-only flag
|
sl@0
|
356 |
*
|
sl@0
|
357 |
* \return ATTR_ERROR_INVALID_ARGUMENT
|
sl@0
|
358 |
* ATTR_ERROR_INVALID_ATTRIBUTE
|
sl@0
|
359 |
* ATTR_ERROR_INVALID_CONTEXT
|
sl@0
|
360 |
*/
|
sl@0
|
361 |
OWF_API_CALL void
|
sl@0
|
362 |
OWF_Attribute_Initb(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
363 |
OWFint aName,
|
sl@0
|
364 |
OWF_BOOL_REF aValue,
|
sl@0
|
365 |
OWFboolean aRdOnly)
|
sl@0
|
366 |
{
|
sl@0
|
367 |
OWF_Attribute_Init(aContext, aName, AT_BOOLEAN, 1, aValue, aRdOnly);
|
sl@0
|
368 |
}
|
sl@0
|
369 |
|
sl@0
|
370 |
/*
|
sl@0
|
371 |
* \brief Initialize vector attribute
|
sl@0
|
372 |
*
|
sl@0
|
373 |
* \param aContext Attribute context
|
sl@0
|
374 |
* \param aName Attribute name
|
sl@0
|
375 |
* \param aLength Attribute (vector) length
|
sl@0
|
376 |
* \param aValues Initial value(s) for attribute
|
sl@0
|
377 |
* \param aRdOnly Read-only flag
|
sl@0
|
378 |
*
|
sl@0
|
379 |
* \return ATTR_ERROR_INVALID_ARGUMENT
|
sl@0
|
380 |
* ATTR_ERROR_INVALID_ATTRIBUTE
|
sl@0
|
381 |
* ATTR_ERROR_INVALID_CONTEXT
|
sl@0
|
382 |
* ATTR_ERROR_CANT_HANDLE
|
sl@0
|
383 |
*/
|
sl@0
|
384 |
OWF_API_CALL void
|
sl@0
|
385 |
OWF_Attribute_Initiv(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
386 |
OWFint aName,
|
sl@0
|
387 |
OWFint aLength,
|
sl@0
|
388 |
OWF_INT_VECTOR_REF aValues,
|
sl@0
|
389 |
OWFboolean aRdOnly)
|
sl@0
|
390 |
{
|
sl@0
|
391 |
OWF_Attribute_Init(aContext, aName, AT_INTEGER, aLength, aValues, aRdOnly);
|
sl@0
|
392 |
}
|
sl@0
|
393 |
|
sl@0
|
394 |
/*
|
sl@0
|
395 |
* \brief Initialize vector attribute
|
sl@0
|
396 |
*
|
sl@0
|
397 |
* \param aContext Attribute context
|
sl@0
|
398 |
* \param aName Attribute name
|
sl@0
|
399 |
* \param aLength Attribute (vector) length
|
sl@0
|
400 |
* \param aValues Initial value(s) for attributes
|
sl@0
|
401 |
* \param aRdOnly Read-only flag
|
sl@0
|
402 |
*
|
sl@0
|
403 |
* \return
|
sl@0
|
404 |
*/
|
sl@0
|
405 |
OWF_API_CALL void
|
sl@0
|
406 |
OWF_Attribute_Initfv(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
407 |
OWFint aName,
|
sl@0
|
408 |
OWFint aLength,
|
sl@0
|
409 |
OWF_FLOAT_VECTOR_REF aValues,
|
sl@0
|
410 |
OWFboolean aRdOnly)
|
sl@0
|
411 |
{
|
sl@0
|
412 |
OWF_Attribute_Init(aContext, aName, AT_FLOAT, aLength, aValues, aRdOnly);
|
sl@0
|
413 |
}
|
sl@0
|
414 |
|
sl@0
|
415 |
/*
|
sl@0
|
416 |
=============================================================================
|
sl@0
|
417 |
GETTER FUNCTIONS
|
sl@0
|
418 |
=============================================================================
|
sl@0
|
419 |
*/
|
sl@0
|
420 |
|
sl@0
|
421 |
/*
|
sl@0
|
422 |
* \brief Get attribute integer value.
|
sl@0
|
423 |
*
|
sl@0
|
424 |
* \param aContext Attribute context
|
sl@0
|
425 |
* \param aName Attribute name
|
sl@0
|
426 |
*
|
sl@0
|
427 |
* \return Attribute integer value (floats are floor()ed). For vector
|
sl@0
|
428 |
* attributes the return value will be error ATTR_ERROR_INVALID_TYPE.
|
sl@0
|
429 |
* ATTR_ERROR_INVALID_ATTRIBUTE
|
sl@0
|
430 |
* ATTR_ERROR_INVALID_CONTEXT
|
sl@0
|
431 |
*/
|
sl@0
|
432 |
OWF_API_CALL OWFint
|
sl@0
|
433 |
OWF_Attribute_GetValuei(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
434 |
OWFint aName)
|
sl@0
|
435 |
{
|
sl@0
|
436 |
OWFint index = 0;
|
sl@0
|
437 |
OWF_ATTRIBUTE* attr = 0;
|
sl@0
|
438 |
OWFint result = 0;
|
sl@0
|
439 |
|
sl@0
|
440 |
COND_FAIL_NS(aContext, 0);
|
sl@0
|
441 |
COND_FAIL(aContext,
|
sl@0
|
442 |
aContext->attributes,
|
sl@0
|
443 |
ATTR_ERROR_INVALID_CONTEXT,
|
sl@0
|
444 |
0);
|
sl@0
|
445 |
CHECK_BAD(aContext, aName, 0);
|
sl@0
|
446 |
|
sl@0
|
447 |
|
sl@0
|
448 |
index = aName - aContext->range_start;
|
sl@0
|
449 |
attr = &aContext->attributes[index];
|
sl@0
|
450 |
|
sl@0
|
451 |
COND_FAIL(aContext,
|
sl@0
|
452 |
1 == attr->attr_info.length,
|
sl@0
|
453 |
ATTR_ERROR_INVALID_TYPE,
|
sl@0
|
454 |
0);
|
sl@0
|
455 |
|
sl@0
|
456 |
SET_ERROR(aContext, ATTR_ERROR_NONE);
|
sl@0
|
457 |
|
sl@0
|
458 |
switch (attr->attr_info.type) {
|
sl@0
|
459 |
case AT_FLOAT: {
|
sl@0
|
460 |
result = floor(attr->attr_value[WORKING_ATTR_VALUE_INDEX].float_value[0]);
|
sl@0
|
461 |
break;
|
sl@0
|
462 |
}
|
sl@0
|
463 |
|
sl@0
|
464 |
case AT_INTEGER:
|
sl@0
|
465 |
case AT_BOOLEAN: {
|
sl@0
|
466 |
result = attr->attr_value[WORKING_ATTR_VALUE_INDEX].int_value[0];
|
sl@0
|
467 |
break;
|
sl@0
|
468 |
}
|
sl@0
|
469 |
|
sl@0
|
470 |
default: {
|
sl@0
|
471 |
SET_ERROR(aContext, ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
472 |
break;
|
sl@0
|
473 |
}
|
sl@0
|
474 |
}
|
sl@0
|
475 |
return result;
|
sl@0
|
476 |
}
|
sl@0
|
477 |
|
sl@0
|
478 |
/*
|
sl@0
|
479 |
* \brief Return boolean attribute value
|
sl@0
|
480 |
*
|
sl@0
|
481 |
* \param aContext Attribute context
|
sl@0
|
482 |
* \param aName Attribute name
|
sl@0
|
483 |
*
|
sl@0
|
484 |
* \return Attribute value
|
sl@0
|
485 |
* ATTR_ERROR_INVALID_ATTRIBUTE
|
sl@0
|
486 |
* ATTR_ERROR_INVALID_TYPE
|
sl@0
|
487 |
*/
|
sl@0
|
488 |
OWF_API_CALL OWFboolean
|
sl@0
|
489 |
OWF_Attribute_GetValueb(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
490 |
OWFint aName)
|
sl@0
|
491 |
{
|
sl@0
|
492 |
/* boolean is stored as int, must cast */
|
sl@0
|
493 |
return (OWFboolean) OWF_Attribute_GetValuei(aContext, aName);
|
sl@0
|
494 |
}
|
sl@0
|
495 |
|
sl@0
|
496 |
/*
|
sl@0
|
497 |
* \brief Get attribute float value
|
sl@0
|
498 |
*
|
sl@0
|
499 |
* \param aContext
|
sl@0
|
500 |
* \param aName
|
sl@0
|
501 |
* \param aValue
|
sl@0
|
502 |
*
|
sl@0
|
503 |
* \return Attribute
|
sl@0
|
504 |
*/
|
sl@0
|
505 |
OWF_API_CALL OWFfloat
|
sl@0
|
506 |
OWF_Attribute_GetValuef(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
507 |
OWFint aName)
|
sl@0
|
508 |
{
|
sl@0
|
509 |
OWFint index = 0;
|
sl@0
|
510 |
OWF_ATTRIBUTE* attr = NULL;
|
sl@0
|
511 |
OWFfloat result = 0.f;
|
sl@0
|
512 |
|
sl@0
|
513 |
COND_FAIL_NS(aContext, 0);
|
sl@0
|
514 |
COND_FAIL(aContext,
|
sl@0
|
515 |
aContext->attributes,
|
sl@0
|
516 |
ATTR_ERROR_INVALID_CONTEXT,
|
sl@0
|
517 |
0);
|
sl@0
|
518 |
CHECK_BAD(aContext, aName, 0);
|
sl@0
|
519 |
|
sl@0
|
520 |
|
sl@0
|
521 |
index = aName - aContext->range_start;
|
sl@0
|
522 |
attr = &aContext->attributes[index];
|
sl@0
|
523 |
|
sl@0
|
524 |
COND_FAIL(aContext,
|
sl@0
|
525 |
1 == attr->attr_info.length,
|
sl@0
|
526 |
ATTR_ERROR_INVALID_TYPE,
|
sl@0
|
527 |
0);
|
sl@0
|
528 |
|
sl@0
|
529 |
SET_ERROR(aContext, ATTR_ERROR_NONE);
|
sl@0
|
530 |
result = 0.f;
|
sl@0
|
531 |
|
sl@0
|
532 |
switch (attr->attr_info.type) {
|
sl@0
|
533 |
case AT_FLOAT: {
|
sl@0
|
534 |
result = attr->attr_value[WORKING_ATTR_VALUE_INDEX].float_value[0];
|
sl@0
|
535 |
break;
|
sl@0
|
536 |
}
|
sl@0
|
537 |
|
sl@0
|
538 |
case AT_INTEGER:
|
sl@0
|
539 |
case AT_BOOLEAN: {
|
sl@0
|
540 |
result = (OWFfloat) attr->attr_value[WORKING_ATTR_VALUE_INDEX].int_value[0];
|
sl@0
|
541 |
break;
|
sl@0
|
542 |
}
|
sl@0
|
543 |
|
sl@0
|
544 |
default: {
|
sl@0
|
545 |
SET_ERROR(aContext, ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
546 |
break;
|
sl@0
|
547 |
}
|
sl@0
|
548 |
}
|
sl@0
|
549 |
return result;
|
sl@0
|
550 |
}
|
sl@0
|
551 |
|
sl@0
|
552 |
/*
|
sl@0
|
553 |
* \brief
|
sl@0
|
554 |
*
|
sl@0
|
555 |
* \param aContext
|
sl@0
|
556 |
* \param aName
|
sl@0
|
557 |
* \param aSize
|
sl@0
|
558 |
* \param aValue
|
sl@0
|
559 |
*
|
sl@0
|
560 |
* \return
|
sl@0
|
561 |
*/
|
sl@0
|
562 |
OWF_API_CALL OWFint
|
sl@0
|
563 |
OWF_Attribute_GetValueiv(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
564 |
OWFint aName,
|
sl@0
|
565 |
OWFint aLength,
|
sl@0
|
566 |
OWFint* aValue)
|
sl@0
|
567 |
{
|
sl@0
|
568 |
OWFint index = 0;
|
sl@0
|
569 |
OWF_ATTRIBUTE* attr = NULL;
|
sl@0
|
570 |
OWFint count = 0;
|
sl@0
|
571 |
|
sl@0
|
572 |
COND_FAIL_NS(aContext, 0);
|
sl@0
|
573 |
COND_FAIL(aContext,
|
sl@0
|
574 |
aContext->attributes,
|
sl@0
|
575 |
ATTR_ERROR_INVALID_CONTEXT,
|
sl@0
|
576 |
0);
|
sl@0
|
577 |
CHECK_BAD(aContext, aName, 0);
|
sl@0
|
578 |
|
sl@0
|
579 |
|
sl@0
|
580 |
index = aName - aContext->range_start;
|
sl@0
|
581 |
attr = &aContext->attributes[index];
|
sl@0
|
582 |
|
sl@0
|
583 |
COND_FAIL(aContext,
|
sl@0
|
584 |
attr->attr_info.length >= 1,
|
sl@0
|
585 |
ATTR_ERROR_INVALID_TYPE,
|
sl@0
|
586 |
0);
|
sl@0
|
587 |
|
sl@0
|
588 |
if (!aValue) {
|
sl@0
|
589 |
/* fetch size only */
|
sl@0
|
590 |
return attr->attr_info.length;
|
sl@0
|
591 |
}
|
sl@0
|
592 |
|
sl@0
|
593 |
count = min(aLength, attr->attr_info.length);
|
sl@0
|
594 |
|
sl@0
|
595 |
SET_ERROR(aContext, ATTR_ERROR_NONE);
|
sl@0
|
596 |
|
sl@0
|
597 |
switch (attr->attr_info.type) {
|
sl@0
|
598 |
case AT_FLOAT: {
|
sl@0
|
599 |
OWFint i;
|
sl@0
|
600 |
OWFfloat* v = attr->attr_value[WORKING_ATTR_VALUE_INDEX].float_value;
|
sl@0
|
601 |
for (i = 0; i < count; i++) {
|
sl@0
|
602 |
aValue[i] = floor(v[i]);
|
sl@0
|
603 |
}
|
sl@0
|
604 |
break;
|
sl@0
|
605 |
}
|
sl@0
|
606 |
|
sl@0
|
607 |
case AT_BOOLEAN:
|
sl@0
|
608 |
case AT_INTEGER: {
|
sl@0
|
609 |
memcpy(aValue,
|
sl@0
|
610 |
attr->attr_value[WORKING_ATTR_VALUE_INDEX].int_value,
|
sl@0
|
611 |
count * attr->attr_info.size);
|
sl@0
|
612 |
break;
|
sl@0
|
613 |
}
|
sl@0
|
614 |
|
sl@0
|
615 |
default: {
|
sl@0
|
616 |
SET_ERROR(aContext, ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
617 |
break;
|
sl@0
|
618 |
}
|
sl@0
|
619 |
}
|
sl@0
|
620 |
return count;
|
sl@0
|
621 |
}
|
sl@0
|
622 |
|
sl@0
|
623 |
/*
|
sl@0
|
624 |
* \brief
|
sl@0
|
625 |
*
|
sl@0
|
626 |
* \param aContext
|
sl@0
|
627 |
* \param aName
|
sl@0
|
628 |
* \param aSize
|
sl@0
|
629 |
* \param aValue
|
sl@0
|
630 |
*
|
sl@0
|
631 |
* \return
|
sl@0
|
632 |
*/
|
sl@0
|
633 |
OWF_API_CALL OWFint
|
sl@0
|
634 |
OWF_Attribute_GetValuefv(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
635 |
OWFint aName,
|
sl@0
|
636 |
OWFint aLength,
|
sl@0
|
637 |
OWFfloat* aValue)
|
sl@0
|
638 |
{
|
sl@0
|
639 |
OWFint index = 0;
|
sl@0
|
640 |
OWF_ATTRIBUTE* attr = NULL;
|
sl@0
|
641 |
OWFint count = 0;
|
sl@0
|
642 |
|
sl@0
|
643 |
COND_FAIL_NS(aContext, 0);
|
sl@0
|
644 |
COND_FAIL(aContext,
|
sl@0
|
645 |
aContext->attributes,
|
sl@0
|
646 |
ATTR_ERROR_INVALID_CONTEXT,
|
sl@0
|
647 |
0);
|
sl@0
|
648 |
CHECK_BAD(aContext, aName, 0);
|
sl@0
|
649 |
|
sl@0
|
650 |
|
sl@0
|
651 |
index = aName - aContext->range_start;
|
sl@0
|
652 |
attr = &aContext->attributes[index];
|
sl@0
|
653 |
|
sl@0
|
654 |
COND_FAIL(aContext,
|
sl@0
|
655 |
attr->attr_info.length >= 1,
|
sl@0
|
656 |
ATTR_ERROR_INVALID_TYPE, 0);
|
sl@0
|
657 |
|
sl@0
|
658 |
if (!aValue) {
|
sl@0
|
659 |
/* fetch size only */
|
sl@0
|
660 |
return attr->attr_info.length;
|
sl@0
|
661 |
}
|
sl@0
|
662 |
|
sl@0
|
663 |
count = min(aLength, attr->attr_info.length);
|
sl@0
|
664 |
|
sl@0
|
665 |
SET_ERROR(aContext, ATTR_ERROR_NONE);
|
sl@0
|
666 |
|
sl@0
|
667 |
switch (attr->attr_info.type) {
|
sl@0
|
668 |
case AT_FLOAT: {
|
sl@0
|
669 |
memcpy(aValue,
|
sl@0
|
670 |
attr->attr_value[WORKING_ATTR_VALUE_INDEX].float_value,
|
sl@0
|
671 |
count * attr->attr_info.size);
|
sl@0
|
672 |
break;
|
sl@0
|
673 |
}
|
sl@0
|
674 |
|
sl@0
|
675 |
case AT_BOOLEAN:
|
sl@0
|
676 |
case AT_INTEGER: {
|
sl@0
|
677 |
OWFint i;
|
sl@0
|
678 |
OWFint* v = attr->attr_value[WORKING_ATTR_VALUE_INDEX].int_value;
|
sl@0
|
679 |
for (i = 0; i < count; i++) {
|
sl@0
|
680 |
aValue[i] = (OWFfloat) v[i];
|
sl@0
|
681 |
}
|
sl@0
|
682 |
break;
|
sl@0
|
683 |
}
|
sl@0
|
684 |
|
sl@0
|
685 |
default: {
|
sl@0
|
686 |
SET_ERROR(aContext, ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
687 |
break;
|
sl@0
|
688 |
}
|
sl@0
|
689 |
}
|
sl@0
|
690 |
return count;
|
sl@0
|
691 |
}
|
sl@0
|
692 |
|
sl@0
|
693 |
/*
|
sl@0
|
694 |
=============================================================================
|
sl@0
|
695 |
SETTER FUNCTIONS
|
sl@0
|
696 |
=============================================================================
|
sl@0
|
697 |
*/
|
sl@0
|
698 |
|
sl@0
|
699 |
/*
|
sl@0
|
700 |
* \brief
|
sl@0
|
701 |
*
|
sl@0
|
702 |
* \param aContext
|
sl@0
|
703 |
* \param aName
|
sl@0
|
704 |
* \param aValue
|
sl@0
|
705 |
*
|
sl@0
|
706 |
* \return
|
sl@0
|
707 |
*/
|
sl@0
|
708 |
OWF_API_CALL void
|
sl@0
|
709 |
OWF_Attribute_SetValuei(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
710 |
OWFint aName,
|
sl@0
|
711 |
OWFint aValue)
|
sl@0
|
712 |
{
|
sl@0
|
713 |
OWFint index = 0;
|
sl@0
|
714 |
OWF_ATTRIBUTE* attr = NULL;
|
sl@0
|
715 |
|
sl@0
|
716 |
COND_FAIL_NR_NS(aContext);
|
sl@0
|
717 |
COND_FAIL_NR(aContext, aContext->attributes, ATTR_ERROR_INVALID_CONTEXT);
|
sl@0
|
718 |
CHECK_BAD_NR(aContext, aName);
|
sl@0
|
719 |
|
sl@0
|
720 |
|
sl@0
|
721 |
index = aName - aContext->range_start;
|
sl@0
|
722 |
attr = &aContext->attributes[index];
|
sl@0
|
723 |
|
sl@0
|
724 |
COND_FAIL_NR(aContext,
|
sl@0
|
725 |
1 == attr->attr_info.length,
|
sl@0
|
726 |
ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
727 |
COND_FAIL_NR(aContext, !attr->attr_info.readonly, ATTR_ERROR_ACCESS_DENIED);
|
sl@0
|
728 |
|
sl@0
|
729 |
SET_ERROR(aContext, ATTR_ERROR_NONE);
|
sl@0
|
730 |
|
sl@0
|
731 |
attr->attr_info.dirty = 1;
|
sl@0
|
732 |
|
sl@0
|
733 |
switch (attr->attr_info.type) {
|
sl@0
|
734 |
case AT_FLOAT: {
|
sl@0
|
735 |
attr->attr_value[WORKING_ATTR_VALUE_INDEX].float_value[0] = aValue;
|
sl@0
|
736 |
break;
|
sl@0
|
737 |
}
|
sl@0
|
738 |
|
sl@0
|
739 |
case AT_INTEGER:
|
sl@0
|
740 |
case AT_BOOLEAN: {
|
sl@0
|
741 |
attr->attr_value[WORKING_ATTR_VALUE_INDEX].int_value[0] = aValue;
|
sl@0
|
742 |
break;
|
sl@0
|
743 |
}
|
sl@0
|
744 |
|
sl@0
|
745 |
default: {
|
sl@0
|
746 |
SET_ERROR(aContext, ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
747 |
break;
|
sl@0
|
748 |
}
|
sl@0
|
749 |
}
|
sl@0
|
750 |
}
|
sl@0
|
751 |
|
sl@0
|
752 |
/*
|
sl@0
|
753 |
* \brief
|
sl@0
|
754 |
*
|
sl@0
|
755 |
* \param aContext
|
sl@0
|
756 |
* \param aName
|
sl@0
|
757 |
* \param aValue
|
sl@0
|
758 |
*
|
sl@0
|
759 |
* \return
|
sl@0
|
760 |
*/
|
sl@0
|
761 |
OWF_API_CALL void
|
sl@0
|
762 |
OWF_Attribute_SetValuef(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
763 |
OWFint aName,
|
sl@0
|
764 |
OWFfloat aValue)
|
sl@0
|
765 |
{
|
sl@0
|
766 |
OWFint index = 0;
|
sl@0
|
767 |
OWF_ATTRIBUTE* attr = NULL;
|
sl@0
|
768 |
|
sl@0
|
769 |
COND_FAIL_NR_NS(aContext);
|
sl@0
|
770 |
COND_FAIL_NR(aContext, aContext->attributes, ATTR_ERROR_INVALID_CONTEXT);
|
sl@0
|
771 |
CHECK_BAD_NR(aContext, aName);
|
sl@0
|
772 |
|
sl@0
|
773 |
|
sl@0
|
774 |
index = aName - aContext->range_start;
|
sl@0
|
775 |
attr = &aContext->attributes[index];
|
sl@0
|
776 |
|
sl@0
|
777 |
COND_FAIL_NR(aContext,
|
sl@0
|
778 |
1 == attr->attr_info.length,
|
sl@0
|
779 |
ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
780 |
COND_FAIL_NR(aContext,
|
sl@0
|
781 |
!attr->attr_info.readonly,
|
sl@0
|
782 |
ATTR_ERROR_ACCESS_DENIED);
|
sl@0
|
783 |
|
sl@0
|
784 |
SET_ERROR(aContext, ATTR_ERROR_NONE);
|
sl@0
|
785 |
|
sl@0
|
786 |
attr->attr_info.dirty = 1;
|
sl@0
|
787 |
|
sl@0
|
788 |
switch (attr->attr_info.type) {
|
sl@0
|
789 |
case AT_FLOAT: {
|
sl@0
|
790 |
attr->attr_value[WORKING_ATTR_VALUE_INDEX].float_value[0] = aValue;
|
sl@0
|
791 |
break;
|
sl@0
|
792 |
}
|
sl@0
|
793 |
|
sl@0
|
794 |
case AT_INTEGER:
|
sl@0
|
795 |
case AT_BOOLEAN: {
|
sl@0
|
796 |
attr->attr_value[WORKING_ATTR_VALUE_INDEX].int_value[0] = floor(aValue);
|
sl@0
|
797 |
break;
|
sl@0
|
798 |
}
|
sl@0
|
799 |
|
sl@0
|
800 |
default: {
|
sl@0
|
801 |
SET_ERROR(aContext, ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
802 |
break;
|
sl@0
|
803 |
}
|
sl@0
|
804 |
}
|
sl@0
|
805 |
}
|
sl@0
|
806 |
|
sl@0
|
807 |
/*
|
sl@0
|
808 |
* \brief
|
sl@0
|
809 |
*
|
sl@0
|
810 |
* \param
|
sl@0
|
811 |
* \param
|
sl@0
|
812 |
* \param
|
sl@0
|
813 |
*
|
sl@0
|
814 |
* \return
|
sl@0
|
815 |
*/
|
sl@0
|
816 |
OWF_API_CALL void
|
sl@0
|
817 |
OWF_Attribute_SetValueb(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
818 |
OWFint aName,
|
sl@0
|
819 |
OWFboolean aValue)
|
sl@0
|
820 |
{
|
sl@0
|
821 |
OWF_Attribute_SetValuei(aContext, aName, (OWFint) aValue);
|
sl@0
|
822 |
}
|
sl@0
|
823 |
|
sl@0
|
824 |
/*
|
sl@0
|
825 |
* \brief
|
sl@0
|
826 |
*
|
sl@0
|
827 |
* \param
|
sl@0
|
828 |
* \param
|
sl@0
|
829 |
* \param
|
sl@0
|
830 |
*
|
sl@0
|
831 |
* \return
|
sl@0
|
832 |
*/
|
sl@0
|
833 |
OWF_API_CALL void
|
sl@0
|
834 |
OWF_Attribute_SetValueiv(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
835 |
OWFint aName,
|
sl@0
|
836 |
OWFint aLength,
|
sl@0
|
837 |
const OWFint* aValue)
|
sl@0
|
838 |
{
|
sl@0
|
839 |
OWFint index = 0;
|
sl@0
|
840 |
OWF_ATTRIBUTE* attr = NULL;
|
sl@0
|
841 |
OWFint count = 0;
|
sl@0
|
842 |
|
sl@0
|
843 |
COND_FAIL_NR_NS(aContext);
|
sl@0
|
844 |
COND_FAIL_NR(aContext, aValue, ATTR_ERROR_INVALID_ARGUMENT);
|
sl@0
|
845 |
COND_FAIL_NR(aContext, aContext->attributes, ATTR_ERROR_INVALID_CONTEXT);
|
sl@0
|
846 |
CHECK_BAD_NR(aContext, aName);
|
sl@0
|
847 |
|
sl@0
|
848 |
index = aName - aContext->range_start;
|
sl@0
|
849 |
attr = &aContext->attributes[index];
|
sl@0
|
850 |
/*
|
sl@0
|
851 |
COND_FAIL_NR(aContext,
|
sl@0
|
852 |
attr->attr_info.length >= 1,
|
sl@0
|
853 |
ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
854 |
*/
|
sl@0
|
855 |
COND_FAIL_NR(aContext,
|
sl@0
|
856 |
aLength > 0 && aLength <= attr->attr_info.length,
|
sl@0
|
857 |
ATTR_ERROR_INVALID_ARGUMENT);
|
sl@0
|
858 |
|
sl@0
|
859 |
COND_FAIL_NR(aContext,
|
sl@0
|
860 |
!attr->attr_info.readonly,
|
sl@0
|
861 |
ATTR_ERROR_ACCESS_DENIED);
|
sl@0
|
862 |
|
sl@0
|
863 |
count = min(aLength, attr->attr_info.length);
|
sl@0
|
864 |
|
sl@0
|
865 |
SET_ERROR(aContext, ATTR_ERROR_NONE);
|
sl@0
|
866 |
|
sl@0
|
867 |
switch (attr->attr_info.type) {
|
sl@0
|
868 |
case AT_FLOAT: {
|
sl@0
|
869 |
OWFint i = 0;
|
sl@0
|
870 |
OWFfloat* v = attr->attr_value[1].float_value;
|
sl@0
|
871 |
for (i = 0; i < count; i++) {
|
sl@0
|
872 |
v[i] = floor(aValue[i]);
|
sl@0
|
873 |
}
|
sl@0
|
874 |
break;
|
sl@0
|
875 |
}
|
sl@0
|
876 |
|
sl@0
|
877 |
case AT_BOOLEAN:
|
sl@0
|
878 |
case AT_INTEGER: {
|
sl@0
|
879 |
memcpy(attr->attr_value[1].int_value,
|
sl@0
|
880 |
aValue,
|
sl@0
|
881 |
count * attr->attr_info.size);
|
sl@0
|
882 |
break;
|
sl@0
|
883 |
}
|
sl@0
|
884 |
|
sl@0
|
885 |
default: {
|
sl@0
|
886 |
SET_ERROR(aContext, ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
887 |
break;
|
sl@0
|
888 |
}
|
sl@0
|
889 |
}
|
sl@0
|
890 |
aContext->attributes[index].attr_info.dirty = 1;
|
sl@0
|
891 |
}
|
sl@0
|
892 |
|
sl@0
|
893 |
/*
|
sl@0
|
894 |
* \brief
|
sl@0
|
895 |
*
|
sl@0
|
896 |
* \param
|
sl@0
|
897 |
* \param
|
sl@0
|
898 |
* \param
|
sl@0
|
899 |
*
|
sl@0
|
900 |
* \return
|
sl@0
|
901 |
*/
|
sl@0
|
902 |
OWF_API_CALL void
|
sl@0
|
903 |
OWF_Attribute_SetValuefv(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
904 |
OWFint aName,
|
sl@0
|
905 |
OWFint aLength,
|
sl@0
|
906 |
const OWFfloat* aValue)
|
sl@0
|
907 |
{
|
sl@0
|
908 |
OWFint index = 0;
|
sl@0
|
909 |
OWF_ATTRIBUTE* attr = NULL;
|
sl@0
|
910 |
OWFint count = 0;
|
sl@0
|
911 |
|
sl@0
|
912 |
COND_FAIL_NR_NS(aContext);
|
sl@0
|
913 |
COND_FAIL_NR(aContext, aValue, ATTR_ERROR_INVALID_ARGUMENT);
|
sl@0
|
914 |
COND_FAIL_NR(aContext, aContext->attributes, ATTR_ERROR_INVALID_CONTEXT);
|
sl@0
|
915 |
CHECK_BAD_NR(aContext, aName);
|
sl@0
|
916 |
|
sl@0
|
917 |
index = aName - aContext->range_start;
|
sl@0
|
918 |
attr = &aContext->attributes[index];
|
sl@0
|
919 |
|
sl@0
|
920 |
/*
|
sl@0
|
921 |
COND_FAIL_NR(aContext,
|
sl@0
|
922 |
attr->attr_info.length >= 1,
|
sl@0
|
923 |
ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
924 |
*/
|
sl@0
|
925 |
|
sl@0
|
926 |
COND_FAIL_NR(aContext,
|
sl@0
|
927 |
aLength > 0 && aLength <= attr->attr_info.length,
|
sl@0
|
928 |
ATTR_ERROR_INVALID_ARGUMENT);
|
sl@0
|
929 |
|
sl@0
|
930 |
COND_FAIL_NR(aContext,
|
sl@0
|
931 |
!attr->attr_info.readonly,
|
sl@0
|
932 |
ATTR_ERROR_ACCESS_DENIED);
|
sl@0
|
933 |
|
sl@0
|
934 |
count = min(aLength, attr->attr_info.length);
|
sl@0
|
935 |
|
sl@0
|
936 |
SET_ERROR(aContext, ATTR_ERROR_NONE);
|
sl@0
|
937 |
|
sl@0
|
938 |
switch (attr->attr_info.type) {
|
sl@0
|
939 |
case AT_FLOAT: {
|
sl@0
|
940 |
memcpy(attr->attr_value[1].float_value,
|
sl@0
|
941 |
aValue,
|
sl@0
|
942 |
count * attr->attr_info.size);
|
sl@0
|
943 |
break;
|
sl@0
|
944 |
}
|
sl@0
|
945 |
|
sl@0
|
946 |
case AT_BOOLEAN:
|
sl@0
|
947 |
case AT_INTEGER: {
|
sl@0
|
948 |
OWFint i;
|
sl@0
|
949 |
OWFint* v = attr->attr_value[1].int_value;
|
sl@0
|
950 |
for (i = 0; i < count; i++) {
|
sl@0
|
951 |
v[i] = floor(aValue[i]);
|
sl@0
|
952 |
}
|
sl@0
|
953 |
break;
|
sl@0
|
954 |
}
|
sl@0
|
955 |
|
sl@0
|
956 |
default: {
|
sl@0
|
957 |
SET_ERROR(aContext, ATTR_ERROR_INVALID_TYPE);
|
sl@0
|
958 |
break;
|
sl@0
|
959 |
}
|
sl@0
|
960 |
}
|
sl@0
|
961 |
aContext->attributes[index].attr_info.dirty = 1;
|
sl@0
|
962 |
}
|
sl@0
|
963 |
|
sl@0
|
964 |
static OWFint OWF_Attribute_Commit(OWF_ATTRIBUTE* aAttr,
|
sl@0
|
965 |
OWFint aDirtyFlag,
|
sl@0
|
966 |
OWFint aCopyTo,
|
sl@0
|
967 |
OWFint aCopyFrom )
|
sl@0
|
968 |
{
|
sl@0
|
969 |
OWF_ASSERT(aCopyTo >= 0);
|
sl@0
|
970 |
OWF_ASSERT(aCopyTo < NUM_ATTR_VALUE_COPIES);
|
sl@0
|
971 |
OWF_ASSERT(aCopyFrom >= 0);
|
sl@0
|
972 |
OWF_ASSERT(aCopyFrom < NUM_ATTR_VALUE_COPIES);
|
sl@0
|
973 |
/* if type is undefined, it means there're gaps in the attribute
|
sl@0
|
974 |
range (e.g. reservations for future use and such.) ignore them. */
|
sl@0
|
975 |
if (aAttr->attr_info.type != AT_UNDEFINED && aDirtyFlag)
|
sl@0
|
976 |
{
|
sl@0
|
977 |
/* poor-man's commit */
|
sl@0
|
978 |
memcpy(aAttr->attr_value[aCopyTo].gen_ptr,
|
sl@0
|
979 |
aAttr->attr_value[aCopyFrom].gen_ptr,
|
sl@0
|
980 |
aAttr->attr_info.size * aAttr->attr_info.length);
|
sl@0
|
981 |
return 0;
|
sl@0
|
982 |
}
|
sl@0
|
983 |
else
|
sl@0
|
984 |
{
|
sl@0
|
985 |
return aDirtyFlag;
|
sl@0
|
986 |
}
|
sl@0
|
987 |
}
|
sl@0
|
988 |
|
sl@0
|
989 |
|
sl@0
|
990 |
OWF_API_CALL void
|
sl@0
|
991 |
OWF_AttributeList_Commit(OWF_ATTRIBUTE_LIST* aContext,
|
sl@0
|
992 |
OWFint aStart,
|
sl@0
|
993 |
OWFint aEnd,
|
sl@0
|
994 |
OWFint aCopyTo )
|
sl@0
|
995 |
{
|
sl@0
|
996 |
OWFint index = 0;
|
sl@0
|
997 |
/* Attribute commit works like the element list commit
|
sl@0
|
998 |
* by forward-copying the "working" attributes to the snapshot
|
sl@0
|
999 |
* during client invoked commit,
|
sl@0
|
1000 |
* then copying the snapshot to the commited scene during the docommit job.
|
sl@0
|
1001 |
* This requires the same wait-for-the-previous-commit-job strategy used in the element commit.
|
sl@0
|
1002 |
* Could in future use copy-back technique to avoid having to wait substantially,
|
sl@0
|
1003 |
* in which case the index of the working attribute set would switch after each invoked commit,
|
sl@0
|
1004 |
* instead of being a constant.
|
sl@0
|
1005 |
*
|
sl@0
|
1006 |
* The same number of copies would still need to take place
|
sl@0
|
1007 |
* but would not need exclusive access to the list.
|
sl@0
|
1008 |
*/
|
sl@0
|
1009 |
|
sl@0
|
1010 |
COND_FAIL_NR_NS(aContext);
|
sl@0
|
1011 |
COND_FAIL_NR(aContext, aStart <= aEnd, ATTR_ERROR_INVALID_ARGUMENT);
|
sl@0
|
1012 |
COND_FAIL_NR(aContext, aContext->attributes, ATTR_ERROR_INVALID_CONTEXT);
|
sl@0
|
1013 |
CHECK_BAD_NR(aContext, aStart);
|
sl@0
|
1014 |
CHECK_BAD_NR(aContext, aEnd);
|
sl@0
|
1015 |
|
sl@0
|
1016 |
switch (aCopyTo)
|
sl@0
|
1017 |
{
|
sl@0
|
1018 |
case COMMITTED_ATTR_VALUE_INDEX: /* Used in composition thread to set displayed scene attributes */
|
sl@0
|
1019 |
for (index = aStart; index <= aEnd; index++)
|
sl@0
|
1020 |
{
|
sl@0
|
1021 |
OWF_ATTRIBUTE* attr = &aContext->attributes[index - aContext->range_start];
|
sl@0
|
1022 |
attr->attr_info.dirtysnapshot=
|
sl@0
|
1023 |
OWF_Attribute_Commit(attr,attr->attr_info.dirtysnapshot,
|
sl@0
|
1024 |
COMMITTED_ATTR_VALUE_INDEX,SNAPSHOT_ATTR_VALUE_INDEX);
|
sl@0
|
1025 |
}
|
sl@0
|
1026 |
break;
|
sl@0
|
1027 |
case SNAPSHOT_ATTR_VALUE_INDEX: /* Used in API threads to make a snapshot of the client attributes */
|
sl@0
|
1028 |
for (index = aStart; index <= aEnd; index++)
|
sl@0
|
1029 |
{
|
sl@0
|
1030 |
OWF_ATTRIBUTE* attr = &aContext->attributes[index - aContext->range_start];
|
sl@0
|
1031 |
OWFuint oldDirty=attr->attr_info.dirty;
|
sl@0
|
1032 |
attr->attr_info.dirtysnapshot=oldDirty;
|
sl@0
|
1033 |
attr->attr_info.dirty=
|
sl@0
|
1034 |
OWF_Attribute_Commit(attr,oldDirty,
|
sl@0
|
1035 |
SNAPSHOT_ATTR_VALUE_INDEX,WORKING_ATTR_VALUE_INDEX);
|
sl@0
|
1036 |
}
|
sl@0
|
1037 |
break;
|
sl@0
|
1038 |
case WORKING_ATTR_VALUE_INDEX: /* Used in initialisation to copy displayed attributes to client copies */
|
sl@0
|
1039 |
for (index = aStart; index <= aEnd; index++)
|
sl@0
|
1040 |
{
|
sl@0
|
1041 |
OWF_ATTRIBUTE* attr = &aContext->attributes[index - aContext->range_start];
|
sl@0
|
1042 |
OWF_Attribute_Commit(attr,!attr->attr_info.readonly,
|
sl@0
|
1043 |
WORKING_ATTR_VALUE_INDEX,COMMITTED_ATTR_VALUE_INDEX);
|
sl@0
|
1044 |
}
|
sl@0
|
1045 |
break;
|
sl@0
|
1046 |
case COMMIT_ATTR_DIRECT_FROM_WORKING: /* Used in WFD to commit new working values directly in 1 step. */
|
sl@0
|
1047 |
for (index = aStart; index <= aEnd; index++)
|
sl@0
|
1048 |
{
|
sl@0
|
1049 |
OWF_ATTRIBUTE* attr = &aContext->attributes[index - aContext->range_start];
|
sl@0
|
1050 |
attr->attr_info.dirty=
|
sl@0
|
1051 |
OWF_Attribute_Commit(attr,attr->attr_info.dirty,
|
sl@0
|
1052 |
COMMITTED_ATTR_VALUE_INDEX,WORKING_ATTR_VALUE_INDEX);
|
sl@0
|
1053 |
}
|
sl@0
|
1054 |
break;
|
sl@0
|
1055 |
default:
|
sl@0
|
1056 |
COND_FAIL_NR(aContext, 0, ATTR_ERROR_INVALID_ARGUMENT);
|
sl@0
|
1057 |
}
|
sl@0
|
1058 |
|
sl@0
|
1059 |
SET_ERROR(aContext, ATTR_ERROR_NONE);
|
sl@0
|
1060 |
}
|
sl@0
|
1061 |
|
sl@0
|
1062 |
#ifdef __cplusplus
|
sl@0
|
1063 |
}
|
sl@0
|
1064 |
#endif
|