diff options
author | reed <reed@google.com> | 2015-06-05 11:31:26 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2015-06-05 11:31:26 -0700 |
commit | 56263c78d86cb536d463b8d46f00ac44cad3defb (patch) | |
tree | c43997464263ed75c154419ee403a54fc0ad0163 /src/effects | |
parent | b500ffa1a253dca35a7ff846ebece9fe570e3565 (diff) |
delete (unused) TransparentShader
BUG=skia:
TBR=
Review URL: https://codereview.chromium.org/1153193014
Diffstat (limited to 'src/effects')
-rw-r--r-- | src/effects/SkTransparentShader.cpp | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/src/effects/SkTransparentShader.cpp b/src/effects/SkTransparentShader.cpp deleted file mode 100644 index aab5a3d85c..0000000000 --- a/src/effects/SkTransparentShader.cpp +++ /dev/null @@ -1,130 +0,0 @@ - -/* - * Copyright 2006 The Android Open Source Project - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - - -#include "SkTransparentShader.h" -#include "SkColorPriv.h" -#include "SkString.h" - -SkShader::Context* SkTransparentShader::onCreateContext(const ContextRec& rec, - void* storage) const { - return SkNEW_PLACEMENT_ARGS(storage, TransparentShaderContext, (*this, rec)); -} - -size_t SkTransparentShader::contextSize() const { - return sizeof(TransparentShaderContext); -} - -SkTransparentShader::TransparentShaderContext::TransparentShaderContext( - const SkTransparentShader& shader, const ContextRec& rec) - : INHERITED(shader, rec) - , fDevice(rec.fDevice) {} - -SkTransparentShader::TransparentShaderContext::~TransparentShaderContext() {} - -uint32_t SkTransparentShader::TransparentShaderContext::getFlags() const { - uint32_t flags = this->INHERITED::getFlags(); - - switch (fDevice->colorType()) { - case kRGB_565_SkColorType: - flags |= kHasSpan16_Flag; - if (this->getPaintAlpha() == 255) - flags |= kOpaqueAlpha_Flag; - break; - case kN32_SkColorType: - if (this->getPaintAlpha() == 255 && fDevice->isOpaque()) - flags |= kOpaqueAlpha_Flag; - break; - default: - break; - } - return flags; -} - -void SkTransparentShader::TransparentShaderContext::shadeSpan(int x, int y, SkPMColor span[], - int count) { - unsigned scale = SkAlpha255To256(this->getPaintAlpha()); - - switch (fDevice->colorType()) { - case kN32_SkColorType: - if (scale == 256) { - SkPMColor* src = fDevice->getAddr32(x, y); - if (src != span) { - memcpy(span, src, count * sizeof(SkPMColor)); - } - } else { - const SkPMColor* src = fDevice->getAddr32(x, y); - for (int i = count - 1; i >= 0; --i) { - span[i] = SkAlphaMulQ(src[i], scale); - } - } - break; - case kRGB_565_SkColorType: { - const uint16_t* src = fDevice->getAddr16(x, y); - if (scale == 256) { - for (int i = count - 1; i >= 0; --i) { - span[i] = SkPixel16ToPixel32(src[i]); - } - } else { - unsigned alpha = this->getPaintAlpha(); - for (int i = count - 1; i >= 0; --i) { - uint16_t c = src[i]; - unsigned r = SkPacked16ToR32(c); - unsigned g = SkPacked16ToG32(c); - unsigned b = SkPacked16ToB32(c); - - span[i] = SkPackARGB32( alpha, - SkAlphaMul(r, scale), - SkAlphaMul(g, scale), - SkAlphaMul(b, scale)); - } - } - break; - } - case kAlpha_8_SkColorType: { - const uint8_t* src = fDevice->getAddr8(x, y); - if (scale == 256) { - for (int i = count - 1; i >= 0; --i) { - span[i] = SkPackARGB32(src[i], 0, 0, 0); - } - } else { - for (int i = count - 1; i >= 0; --i) { - span[i] = SkPackARGB32(SkAlphaMul(src[i], scale), 0, 0, 0); - } - } - break; - } - default: - SkDEBUGFAIL("colorType not supported as a destination device"); - break; - } -} - -void SkTransparentShader::TransparentShaderContext::shadeSpan16(int x, int y, uint16_t span[], - int count) { - SkASSERT(fDevice->colorType() == kRGB_565_SkColorType); - - uint16_t* src = fDevice->getAddr16(x, y); - if (src != span) { - memcpy(span, src, count << 1); - } -} - -SkFlattenable* SkTransparentShader::CreateProc(SkReadBuffer& buffer) { - return SkNEW(SkTransparentShader); -} - -#ifndef SK_IGNORE_TO_STRING -void SkTransparentShader::toString(SkString* str) const { - str->append("SkTransparentShader: ("); - - this->INHERITED::toString(str); - - str->append(")"); -} -#endif |