The Tor Browser: gfx/skia/trunk/src/animator/SkHitTest.cpp@a63d609f5ebe

     2 /*

     3  * Copyright 2006 The Android Open Source Project

     4  *

     5  * Use of this source code is governed by a BSD-style license that can be

     6  * found in the LICENSE file.

     7  */

    10 #include "SkHitTest.h"

    12 #if SK_USE_CONDENSED_INFO == 0

    14 const SkMemberInfo SkHitTest::fInfo[] = {

    15     SK_MEMBER_ARRAY(bullets, Displayable),

    16     SK_MEMBER_ARRAY(hits, Int),

    17     SK_MEMBER_ARRAY(targets, Displayable),

    18     SK_MEMBER(value, Boolean)

    19 };

    21 #endif

    23 DEFINE_GET_MEMBER(SkHitTest);

    25 SkHitTest::SkHitTest() : value(false) {

    26 }

    28 bool SkHitTest::draw(SkAnimateMaker&) {

    29     hits.setCount(bullets.count());

    30     value = false;

    31     int bulletCount = bullets.count();

    32     int targetCount = targets.count();

    33     for (int bIndex = 0; bIndex < bulletCount; bIndex++) {

    34         SkDisplayable* bullet = bullets[bIndex];

    35         SkRect bBounds;

    36         bullet->getBounds(&bBounds);

    37         hits[bIndex] = -1;

    38         if (bBounds.fLeft == (int16_t)0x8000U)

    39             continue;

    40         for (int tIndex = 0; tIndex < targetCount; tIndex++) {

    41             SkDisplayable* target = targets[tIndex];

    42             SkRect tBounds;

    43             target->getBounds(&tBounds);

    44             if (bBounds.intersect(tBounds)) {

    45                 hits[bIndex] = tIndex;

    46                 value = true;

    47                 break;

    48             }

    49         }

    50     }

    51     return false;

    52 }

    54 bool SkHitTest::enable(SkAnimateMaker&) {

    55     for (int bIndex = 0; bIndex < bullets.count(); bIndex++) {

    56         SkDisplayable* bullet = bullets[bIndex];

    57         bullet->enableBounder();

    58     }

    59     for (int tIndex = 0; tIndex < targets.count(); tIndex++) {

    60         SkDisplayable* target = targets[tIndex];

    61         target->enableBounder();

    62     }

    63     return false;

    64 }

    66 bool SkHitTest::hasEnable() const {

    67     return true;

    68 }

    70 const SkMemberInfo* SkHitTest::preferredChild(SkDisplayTypes) {

    71     if (bullets.count() == 0)

    72         return getMember("bullets");

    73     return getMember("targets"); // !!! cwap! need to refer to member through enum like kScope instead

    74 }

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