michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #include "SkDrawShader.h"
michael@0: #include "SkDrawBitmap.h"
michael@0: #include "SkDrawMatrix.h"
michael@0: #include "SkDrawPaint.h"
michael@0: #include "SkTemplates.h"
michael@0: 
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0: 
michael@0: const SkMemberInfo SkDrawShader::fInfo[] = {
michael@0:     SK_MEMBER(matrix, Matrix),
michael@0:     SK_MEMBER(tileMode, TileMode)
michael@0: };
michael@0: 
michael@0: #endif
michael@0: 
michael@0: DEFINE_GET_MEMBER(SkDrawShader);
michael@0: 
michael@0: SkDrawShader::SkDrawShader() : matrix(NULL),
michael@0:     tileMode(SkShader::kClamp_TileMode) {
michael@0: }
michael@0: 
michael@0: bool SkDrawShader::add() {
michael@0:     if (fPaint->shader != (SkDrawShader*) -1)
michael@0:         return true;
michael@0:     fPaint->shader = this;
michael@0:     fPaint->fOwnsShader = true;
michael@0:     return false;
michael@0: }
michael@0: 
michael@0: void SkDrawShader::addPostlude(SkShader* shader) {
michael@0:     if (matrix)
michael@0:         shader->setLocalMatrix(matrix->getMatrix());
michael@0: }
michael@0: 
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0: 
michael@0: const SkMemberInfo SkDrawBitmapShader::fInfo[] = {
michael@0:     SK_MEMBER_INHERITED,
michael@0:     SK_MEMBER(filterBitmap, Boolean),
michael@0:     SK_MEMBER(image, BaseBitmap)
michael@0: };
michael@0: 
michael@0: #endif
michael@0: 
michael@0: DEFINE_GET_MEMBER(SkDrawBitmapShader);
michael@0: 
michael@0: SkDrawBitmapShader::SkDrawBitmapShader() : filterBitmap(-1), image(NULL) {}
michael@0: 
michael@0: bool SkDrawBitmapShader::add() {
michael@0:     if (fPaint->shader != (SkDrawShader*) -1)
michael@0:         return true;
michael@0:     fPaint->shader = this;
michael@0:     fPaint->fOwnsShader = true;
michael@0:     return false;
michael@0: }
michael@0: 
michael@0: SkShader* SkDrawBitmapShader::getShader() {
michael@0:     if (image == NULL)
michael@0:         return NULL;
michael@0: 
michael@0:     // note: bitmap shader now supports independent tile modes for X and Y
michael@0:     // we pass the same to both, but later we should extend this flexibility
michael@0:     // to the xml (e.g. tileModeX="repeat" tileModeY="clmap")
michael@0:     //
michael@0:     // oops, bitmapshader no longer takes filterBitmap, but deduces it at
michael@0:     // draw-time from the paint
michael@0:     SkShader* shader  = SkShader::CreateBitmapShader(image->fBitmap,
michael@0:                                                     (SkShader::TileMode) tileMode,
michael@0:                                                     (SkShader::TileMode) tileMode);
michael@0:     SkAutoTDelete<SkShader> autoDel(shader);
michael@0:     addPostlude(shader);
michael@0:     (void)autoDel.detach();
michael@0:     return shader;
michael@0: }