skia2/gpu/include/GrPlotMgr.h
epoger@google.com ec3ed6a5eb Automatic update of all copyright notices to reflect new license terms.
I have manually examined all of these diffs and restored a few files that
seem to require manual adjustment.

The following files still need to be modified manually, in a separate CL:

android_sample/SampleApp/AndroidManifest.xml
android_sample/SampleApp/res/layout/layout.xml
android_sample/SampleApp/res/menu/sample.xml
android_sample/SampleApp/res/values/strings.xml
android_sample/SampleApp/src/com/skia/sampleapp/SampleApp.java
android_sample/SampleApp/src/com/skia/sampleapp/SampleView.java
experimental/CiCarbonSampleMain.c
experimental/CocoaDebugger/main.m
experimental/FileReaderApp/main.m
experimental/SimpleCocoaApp/main.m
experimental/iOSSampleApp/Shared/SkAlertPrompt.h
experimental/iOSSampleApp/Shared/SkAlertPrompt.m
experimental/iOSSampleApp/SkiOSSampleApp-Base.xcconfig
experimental/iOSSampleApp/SkiOSSampleApp-Debug.xcconfig
experimental/iOSSampleApp/SkiOSSampleApp-Release.xcconfig
gpu/src/android/GrGLDefaultInterface_android.cpp
gyp/common.gypi
gyp_skia
include/ports/SkHarfBuzzFont.h
include/views/SkOSWindow_wxwidgets.h
make.bat
make.py
src/opts/memset.arm.S
src/opts/memset16_neon.S
src/opts/memset32_neon.S
src/opts/opts_check_arm.cpp
src/ports/SkDebug_brew.cpp
src/ports/SkMemory_brew.cpp
src/ports/SkOSFile_brew.cpp
src/ports/SkXMLParser_empty.cpp
src/utils/ios/SkImageDecoder_iOS.mm
src/utils/ios/SkOSFile_iOS.mm
src/utils/ios/SkStream_NSData.mm
tests/FillPathTest.cpp
Review URL: http://codereview.appspot.com/4816058

git-svn-id: http://skia.googlecode.com/svn/trunk@1982 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-07-28 14:26:00 +00:00

78 lines
1.6 KiB
C++

/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrPlotMgr_DEFINED
#define GrPlotMgr_DEFINED
#include "GrTypes.h"
#include "GrPoint.h"
class GrPlotMgr : GrNoncopyable {
public:
GrPlotMgr(int width, int height) {
fDim.set(width, height);
size_t needed = width * height;
if (needed <= sizeof(fStorage)) {
fBusy = fStorage;
} else {
fBusy = new char[needed];
}
this->reset();
}
~GrPlotMgr() {
if (fBusy != fStorage) {
delete[] fBusy;
}
}
void reset() {
Gr_bzero(fBusy, fDim.fX * fDim.fY);
}
bool newPlot(GrIPoint16* loc) {
char* busy = fBusy;
for (int y = 0; y < fDim.fY; y++) {
for (int x = 0; x < fDim.fX; x++) {
if (!*busy) {
*busy = true;
loc->set(x, y);
return true;
}
busy++;
}
}
return false;
}
bool isBusy(int x, int y) const {
GrAssert((unsigned)x < (unsigned)fDim.fX);
GrAssert((unsigned)y < (unsigned)fDim.fY);
return fBusy[y * fDim.fX + x] != 0;
}
void freePlot(int x, int y) {
GrAssert((unsigned)x < (unsigned)fDim.fX);
GrAssert((unsigned)y < (unsigned)fDim.fY);
fBusy[y * fDim.fX + x] = false;
}
private:
enum {
STORAGE = 64
};
char fStorage[STORAGE];
char* fBusy;
GrIPoint16 fDim;
};
#endif