本文整理汇总了C++中VisualGraphics::getMaxLeftCoordOfCanvas方法的典型用法代码示例。如果您正苦于以下问题：C++ VisualGraphics::getMaxLeftCoordOfCanvas方法的具体用法？C++ VisualGraphics::getMaxLeftCoordOfCanvas怎么用？C++ VisualGraphics::getMaxLeftCoordOfCanvas使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类VisualGraphics的用法示例。
在下文中一共展示了VisualGraphics::getMaxLeftCoordOfCanvas方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: applyConvolutionFilter
void VisualTextureContainer::applyConvolutionFilter(const VisualConvolutionFilter& aConvolutionFilter) {
VisualGraphics* theVisualGraphics = VisualGraphics::getInstance();
int prevReadBuffer = theVisualGraphics->getCurrentColorBufferForPixelReadingOperations();
theVisualGraphics->setColorBufferForPixelReadingOperations(kGL_BACK_COLOR_BUFFER);
int prevDrawBuffer = theVisualGraphics->getCurrentColorBufferForPixelDrawingOperations();
theVisualGraphics->setColorBufferForPixelDrawingOperations(kGL_BACK_COLOR_BUFFER);
UInt32* prevPixels = NULL;
char errStr[512];
UInt8 numberOfBytesPerChannel = 0;
UInt8 numberOfChannels = 0; // channel == color resp. alpha channel
UInt8 numberOfBytesPerPixel = 0;
UInt32 numberOfBytesPerRow = 0;
if ((this->pixelFormat == kGL_RGBA) || (this->pixelFormat == kGL_BGRA)) {
numberOfChannels = 4;
} else {
sprintf(errStr, "unknown format %d in file: %s (line: %d) [%s])", this->pixelFormat, __FILE__, __LINE__, __FUNCTION__);
writeLog(errStr);
return;
}
if ((this->dataType == kGL_UNSIGNED_INT_8_8_8_8_REV) || (this->dataType == kGL_UNSIGNED_INT_8_8_8_8) || (this->dataType == kGL_UNSIGNED_BYTE)) {
numberOfBytesPerChannel = 1; // // 1 byte (== 8 bits) per color/channel
} else {
sprintf(errStr, "unknown type %d in file: %s (line: %d) [%s])", this->dataType, __FILE__, __LINE__, __FUNCTION__);
writeLog(errStr);
return;
}
numberOfBytesPerPixel = numberOfBytesPerChannel * numberOfChannels;
numberOfBytesPerRow = numberOfBytesPerPixel * this->textureWidth;
// read previous pixels
if ((this->pixelFormat == kGL_RGBA) || (this->pixelFormat == kGL_BGRA)) {
prevPixels = (UInt32*)calloc((numberOfBytesPerRow / numberOfBytesPerPixel) * this->textureHeight, numberOfBytesPerPixel);
}
theVisualGraphics->readPixels(theVisualGraphics->getMaxLeftCoordOfCanvas(), theVisualGraphics->getMaxBottomCoordOfCanvas(), this->textureWidth, this->textureHeight, &prevPixels, this->pixelFormat, this->dataType);
UInt32* pixels = this->getTexturePixels(this->pixelFormat, this->dataType);
UInt32* passedPixels = (UInt32*)malloc(this->textureWidth * this->textureHeight * 4);
memcpy(passedPixels, pixels, this->textureWidth * this->textureHeight * 4); // VisualStudio does not like when we pass a non-const pointer to instance variable (crashes in runtime)
theVisualGraphics->drawPixels((UInt32**)&(passedPixels), theVisualGraphics->getMaxLeftCoordOfCanvas(), theVisualGraphics->getMaxBottomCoordOfCanvas(), this->textureWidth, this->textureHeight, this->pixelFormat, this->dataType, &aConvolutionFilter);
if (passedPixels != NULL) {
free(passedPixels);
passedPixels = NULL;
}
theVisualGraphics->copyFramebufferToTexture(this->textureName, this->useRectExtension, 0, 0, this->textureWidth, this->textureHeight, this->pixelFormat, this->dataType);
// restore previous pixels
theVisualGraphics->drawPixels(&prevPixels, theVisualGraphics->getMaxLeftCoordOfCanvas(), theVisualGraphics->getMaxBottomCoordOfCanvas(), this->textureWidth, this->textureHeight, this->pixelFormat, this->dataType);
free(prevPixels);
theVisualGraphics->setColorBufferForPixelDrawingOperations(prevDrawBuffer);
theVisualGraphics->setColorBufferForPixelReadingOperations(prevReadBuffer);
if (this->pixelBuffer != NULL) {
free(this->pixelBuffer);
this->pixelBuffer = NULL;
}
}示例2: monitorRenderMessageProcess
void monitorRenderMessageProcess() {
static float framesPerSecond = 0.0f;
static UInt16 frameCount = 0;
::Rect viewportRect;
UInt32 elapsedMilliseconds, remainingMilliseconds, totalMilliseconds = 0;
VisualAudioLab* theVisualAudioLab = NULL;
VisualPlayerState* theVisualPlayerState = NULL;
VisualGraphics* theVisualGraphics = NULL;
UInt8 playState;
char cStr64[64];
theVisualPlayerState = VisualPlayerState::getInstance();
elapsedMilliseconds = VisualTiming::getElapsedMilliSecsSinceReset("fps");
if (elapsedMilliseconds > 1000) {
framesPerSecond = (float)frameCount / (float)elapsedMilliseconds * 1000.0f;
frameCount = 0;
VisualTiming::resetTimestamp("fps");
}
frameCount++;
sprintf(cStr64, "%.2f", framesPerSecond);
setProcessInfo("FramesPerSecond", cStr64);
theVisualGraphics = VisualGraphics::getInstance();
setProcessInfo("RendererName",theVisualGraphics->getRendererName());
setProcessInfo("RendererVendor",theVisualGraphics->getRendererVendor());
setProcessInfo("RendererVersion",theVisualGraphics->getRendererVersion());
sprintf(cStr64, "%#x", theVisualGraphics->getGLVersion());
setProcessInfo("GLVersion", cStr64);
sprintf(cStr64, "%ld", theVisualGraphics->getMaxTextureSize());
setProcessInfo("Maximum Texture Size", cStr64);
// screen measurements
sprintf(cStr64, "width: %d, height: %d, refreshRate: %d", theVisualGraphics->getScreenWidth(), theVisualGraphics->getScreenHeight(), theVisualGraphics->getRefreshRateOfScreen());
setProcessInfo("Screen", cStr64);
sprintf(cStr64, "%d", theVisualGraphics->getBitsPerPixelOfScreen());
setProcessInfo("BitsPerPixel", cStr64);
sprintf(cStr64, "%d", theVisualGraphics->getCanvasPixelHeight());
setProcessInfo("CanvasPixelHeight", cStr64);
sprintf(cStr64, "%d", theVisualGraphics->getCanvasPixelWidth());
setProcessInfo("CanvasPixelWidth", cStr64);
::Rect theCanvasRect;
theVisualGraphics->getCanvasRect(&theCanvasRect);
sprintf(cStr64, "top: %d, left: %d", theCanvasRect.top, theCanvasRect.left);
setProcessInfo("CanvasRectTopLeft", cStr64);
sprintf(cStr64, "bottom: %d, right: %d", theCanvasRect.bottom, theCanvasRect.right);
setProcessInfo("CanvasRectBottomRight", cStr64);
::Rect theCanvasSurroundingRect;
theVisualGraphics->getCanvasSurroundingRect(&theCanvasSurroundingRect);
sprintf(cStr64, "top: %d, left: %d", theCanvasSurroundingRect.top, theCanvasSurroundingRect.left);
setProcessInfo("CanvasSurroundRectTopLeft", cStr64);
sprintf(cStr64, "bottom: %d, right: %d", theCanvasSurroundingRect.bottom, theCanvasSurroundingRect.right);
setProcessInfo("CanvasSurroundRectBottomRight", cStr64);
sprintf(cStr64, "top: %.2f, left: %.2f", theVisualGraphics->getMaxTopCoordOfCanvas(), theVisualGraphics->getMaxLeftCoordOfCanvas());
setProcessInfo("CoordMaxTopLeft", cStr64);
sprintf(cStr64, "bottom: %.2f, right: %.2f", theVisualGraphics->getMaxBottomCoordOfCanvas(), theVisualGraphics->getMaxRightCoordOfCanvas());
setProcessInfo("CoordMaxBottomRight", cStr64);
sprintf(cStr64, "near: %.2f, far: %.2f", theVisualGraphics->getMaxNearCoordOfCanvas(), theVisualGraphics->getMaxFarCoordOfCanvas());
setProcessInfo("CoordMaxNearFar", cStr64);
theVisualGraphics->getViewportRect(&viewportRect);
sprintf(cStr64, "top: %d, left: %d, bottom: %d, right: %d", viewportRect.top, viewportRect.left, viewportRect.bottom, viewportRect.right);
setProcessInfo("ViewportRect", cStr64);
playState = theVisualPlayerState->getAudioPlayState();
switch (playState) {
case kAudioIsPlaying:
sprintf(cStr64, "kAudioIsPlaying");
break;
case kAudioPlayStarted:
sprintf(cStr64, "kAudioPlayStarted");
break;
case kAudioPlayResumed:
sprintf(cStr64, "kAudioPlayResumed");
break;
case kAudioPlayPaused:
sprintf(cStr64, "kAudioPlayPaused");
break;
case kAudioIsNotPlaying:
sprintf(cStr64, "kAudioIsNotPlaying");
break;
default:
sprintf(cStr64, "unknown");
}
setProcessInfo("AudioPlayState", cStr64);
//.........这里部分代码省略.........