The Tor Browser: gfx/skia/trunk/src/animator/SkDrawShader.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 "SkDrawShader.h"

    11 #include "SkDrawBitmap.h"

    12 #include "SkDrawMatrix.h"

    13 #include "SkDrawPaint.h"

    14 #include "SkTemplates.h"

    16 #if SK_USE_CONDENSED_INFO == 0

    18 const SkMemberInfo SkDrawShader::fInfo[] = {

    19     SK_MEMBER(matrix, Matrix),

    20     SK_MEMBER(tileMode, TileMode)

    21 };

    23 #endif

    25 DEFINE_GET_MEMBER(SkDrawShader);

    27 SkDrawShader::SkDrawShader() : matrix(NULL),

    28     tileMode(SkShader::kClamp_TileMode) {

    29 }

    31 bool SkDrawShader::add() {

    32     if (fPaint->shader != (SkDrawShader*) -1)

    33         return true;

    34     fPaint->shader = this;

    35     fPaint->fOwnsShader = true;

    36     return false;

    37 }

    39 void SkDrawShader::addPostlude(SkShader* shader) {

    40     if (matrix)

    41         shader->setLocalMatrix(matrix->getMatrix());

    42 }

    44 #if SK_USE_CONDENSED_INFO == 0

    46 const SkMemberInfo SkDrawBitmapShader::fInfo[] = {

    47     SK_MEMBER_INHERITED,

    48     SK_MEMBER(filterBitmap, Boolean),

    49     SK_MEMBER(image, BaseBitmap)

    50 };

    52 #endif

    54 DEFINE_GET_MEMBER(SkDrawBitmapShader);

    56 SkDrawBitmapShader::SkDrawBitmapShader() : filterBitmap(-1), image(NULL) {}

    58 bool SkDrawBitmapShader::add() {

    59     if (fPaint->shader != (SkDrawShader*) -1)

    60         return true;

    61     fPaint->shader = this;

    62     fPaint->fOwnsShader = true;

    63     return false;

    64 }

    66 SkShader* SkDrawBitmapShader::getShader() {

    67     if (image == NULL)

    68         return NULL;

    70     // note: bitmap shader now supports independent tile modes for X and Y

    71     // we pass the same to both, but later we should extend this flexibility

    72     // to the xml (e.g. tileModeX="repeat" tileModeY="clmap")

    73     //

    74     // oops, bitmapshader no longer takes filterBitmap, but deduces it at

    75     // draw-time from the paint

    76     SkShader* shader  = SkShader::CreateBitmapShader(image->fBitmap,

    77                                                     (SkShader::TileMode) tileMode,

    78                                                     (SkShader::TileMode) tileMode);

    79     SkAutoTDelete<SkShader> autoDel(shader);

    80     addPostlude(shader);

    81     (void)autoDel.detach();

    82     return shader;

    83 }

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