C++ TexturePtr::getHeight方法代码示例

 TextureRegion::TextureRegion(TexturePtr texture, unsigned int leftX, unsigned int topY, unsigned int width, unsigned int height)
 :_leftX(leftX),
 _topY(topY),
 _width(width),
 _height(height),
 _isRotated(false),
 _texRef(nullptr)
 {
     _texRef = texture;
     int tWidth = texture->getWidth();
     int tHeight = texture->getHeight();
     
     this->_u1 = (float)leftX / tWidth;
     this->_u2 = (float)(leftX + _width) / tWidth;
     this->_v1 = (float)topY / tHeight;
     this->_v2 = (float)(topY + _height) / tHeight;
 }

	//! Implementation of VolumeRenderableMaterialFactory
	MaterialPtr createMaterial(const SparseVolumeMaterialConfig& config) const
	{
		TexturePtr densityTexture = getGridForRole(config.leafAtlases, GridTextureRole_Diffuse);
		assert(densityTexture);

		TexturePtr normalTexture = getGridForRole(config.leafAtlases, GridTextureRole_Normal);
		TexturePtr temperatureTexture = getGridForRole(config.leafAtlases, GridTextureRole_Temperature);

		MaterialPtr material(new Material);

		glm::vec3 densityTextureSize(densityTexture->getWidth(), densityTexture->getHeight(), densityTexture->getDepth());

		// Main technique
		{
			TechniquePtr technique(new Technique(m_volumeShader));
			{
				Vec3ShaderParameterPtr boxModelSizeParameter(new Vec3ShaderParameter("volumeSize_modelSpace", config.boxSize));
				technique->addCustomShaderParameter(boxModelSizeParameter);

				Vec3ShaderParameterPtr oneOnVolumeTextureSizeParameter(new Vec3ShaderParameter("oneOnVolumeTextureSize", 1.0f / densityTextureSize));
				technique->addCustomShaderParameter(oneOnVolumeTextureSizeParameter);

				technique->setAlphaBlendingMode(AlphaBlendingMode_PreMultiplied);

				int maxLeafCountPerInternalNode = config.maxLeafCountPerInternalNodeDimension * config.maxLeafCountPerInternalNodeDimension * config.maxLeafCountPerInternalNodeDimension;

				technique->addCustomShaderParameter(ShaderParameterPtr(new IntShaderParameter("firstInternalNodeIndex", config.firstInternalNodeIndex)));
				technique->addCustomShaderParameter(ShaderParameterPtr(new IntShaderParameter("maxLeafCountPerInternalNode", maxLeafCountPerInternalNode)));
				technique->addCustomShaderParameter(ShaderParameterPtr(new IVec3ShaderParameter("maxLeafCountPerAtlasDimension", config.maxLeafCountPerAtlasDimension)));
				technique->addCustomShaderParameter(ShaderParameterPtr(new IntShaderParameter("maxLeafCountPerInternalNodeDimension", config.maxLeafCountPerInternalNodeDimension)));
				
				float thresholdAlpha = m_transparent ? 0.001 : 0.2;
				technique->addCustomShaderParameter(ShaderParameterPtr(new FloatShaderParameter("thresholdAlpha", thresholdAlpha)));

				float opacityMultiplier = m_transparent ? m_opacityMultiplier : 200.0;
				technique->addCustomShaderParameter(ShaderParameterPtr(new FloatShaderParameter("opacityMultiplier", opacityMultiplier)));

				{
					TextureUnit unit(densityTexture, "albedoSampler");
					technique->addTextureUnit(unit);
				}

				if (normalTexture)
				{
					TextureUnit unit(normalTexture, "normalSampler");
					technique->addTextureUnit(unit);
				}

				if (temperatureTexture)
				{
					TextureUnit unit(temperatureTexture, "temperatureSampler");
					technique->addTextureUnit(unit);
				}

				TextureUnit unit(m_temperatureRampTexture, "temperatureRampSampler");
				technique->addTextureUnit(unit);

				{
					TextureUnit unit(config.nodeIndirectionTexture, "nodeIndirectionSampler");
					technique->addTextureUnit(unit);
				}
			}

			material->setTechnique(technique);
		}

		return material;
	}

void TextureToolWindow::updateControls(String texName)
{
    try
    {
        bool exists = TextureManager::getSingleton().resourceExists(texName);
        if (!exists)
        {
            mTxt->setCaption(convertToMyGUIString("Texture not found:\n" + texName));
            mBtnSavePNG->setEnabled(false);
            return;
        }

        TexturePtr tex = TextureManager::getSingleton().getByName(texName);
        if (tex.isNull())
        {
            mTxt->setCaption(convertToMyGUIString("Error loading texture:\n" + texName));
            mBtnSavePNG->setEnabled(false);
            return;
        }

        String str = "#aa0000" + texName + "#000000\n";
        str += "#00aa00res: #000000" + TOSTRING(tex->getWidth()) + " x " + TOSTRING(tex->getHeight()) + " pixels\n";
        str += "#00aa00size: #000000" + formatBytes(tex->getSize()) + "\n";
        str += "#00aa00format: #000000" + PixelUtil::getFormatName(tex->getFormat()) + "\n";
        if (tex->getNumFaces() > 1)
            str += "#00aa00faces: #000000" + TOSTRING(tex->getNumFaces()) + "\n";
        if (tex->getFSAA() > 0)
            str += "#00aa00FSAA: #000000" + TOSTRING(tex->getFSAA()) + "\n";
        if (tex->getNumMipmaps() > 0)
            str += "#00aa00mipmaps: #000000" + TOSTRING(tex->getNumMipmaps()) + "\n";

        String typeStr = "";
        switch (tex->getTextureType())
        {
        case TEX_TYPE_1D: typeStr = "1D";
            break;
        case TEX_TYPE_2D: typeStr = "2D";
            break;
        case TEX_TYPE_3D: typeStr = "3D";
            break;
        case TEX_TYPE_CUBE_MAP: typeStr = "Cube Map";
            break;
        }
        str += "#00aa00type: #000000" + typeStr + "\n";

        String usageStr = "";
        if (tex->getUsage() & TU_STATIC)
            usageStr += "static,\n";
        if (tex->getUsage() & TU_DYNAMIC)
            usageStr += "dynamic,\n";
        if (tex->getUsage() & TU_WRITE_ONLY)
            usageStr += "write only,\n";
        if (tex->getUsage() & TU_STATIC_WRITE_ONLY)
            usageStr += "static write only,\n";
        if (tex->getUsage() & TU_DYNAMIC_WRITE_ONLY)
            usageStr += "dynamic write only,\n";
        if (tex->getUsage() & TU_DYNAMIC_WRITE_ONLY_DISCARDABLE)
            usageStr += "dynamic write only discardable,\n";
        if (tex->getUsage() & TU_AUTOMIPMAP)
            usageStr += "automipmap,\n";
        if (tex->getUsage() & TU_RENDERTARGET)
            usageStr += "rendertarget,\n";
        if (tex->getUsage() & TU_DEFAULT)
            usageStr += "default\n";

        str += "#00aa00usage: #000000" + usageStr + "\n";
        if (tex->getDepth() > 1)
            str += "#00aa00depth: #000000" + TOSTRING(tex->getDepth()) + "\n";

        mTxt->setCaption(convertToMyGUIString(str));
        mImage->setImageTexture(texName);
        mBtnSavePNG->setEnabled(true);
    }
    catch (Exception& e)
    {
        UTFString str = "Exception while opening texture:" + e.getFullDescription();
        RoR::App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, Console::CONSOLE_MSGTYPE_INFO, str, "error.png");
    }
}

void WriteToTexture(const String &str, TexturePtr destTexture, Image::Box destRectangle, Font* font, const ColourValue &color, char justify,  bool wordwrap)
{
    using namespace Ogre;

    if (destTexture->getHeight() < destRectangle.bottom)
        destRectangle.bottom = destTexture->getHeight();
    if (destTexture->getWidth() < destRectangle.right)
        destRectangle.right = destTexture->getWidth();

    if (!font->isLoaded())
        font->load();

    TexturePtr fontTexture = (TexturePtr) TextureManager::getSingleton().getByName(font->getMaterial()->getTechnique(0)->getPass(0)->getTextureUnitState(0)->getTextureName());

    HardwarePixelBufferSharedPtr fontBuffer = fontTexture->getBuffer();
    HardwarePixelBufferSharedPtr destBuffer = destTexture->getBuffer();

    PixelBox destPb = destBuffer->lock(destRectangle,HardwareBuffer::HBL_NORMAL);

    // The font texture buffer was created write only...so we cannot read it back :o). One solution is to copy the buffer  instead of locking it. (Maybe there is a way to create a font texture which is not write_only ?)

    // create a buffer
    size_t nBuffSize = fontBuffer->getSizeInBytes();
    unsigned char* buffer = (unsigned char*)calloc(nBuffSize, sizeof(unsigned char));

    // create pixel box using the copy of the buffer
    PixelBox fontPb(fontBuffer->getWidth(), fontBuffer->getHeight(),fontBuffer->getDepth(), fontBuffer->getFormat(), buffer);
    fontBuffer->blitToMemory(fontPb);

    unsigned char* fontData = static_cast<unsigned char*>( fontPb.data );
    unsigned char* destData = static_cast<unsigned char*>( destPb.data );

    const size_t fontPixelSize = PixelUtil::getNumElemBytes(fontPb.format);
    const size_t destPixelSize = PixelUtil::getNumElemBytes(destPb.format);

    const size_t fontRowPitchBytes = fontPb.rowPitch * fontPixelSize;
    const size_t destRowPitchBytes = destPb.rowPitch * destPixelSize;

    Box *GlyphTexCoords;
    GlyphTexCoords = new Box[str.size()];

    Font::UVRect glypheTexRect;
    size_t charheight = 0;
    size_t charwidth = 0;

    for (unsigned int i = 0; i < str.size(); i++)
    {
        if ((str[i] != '\t') && (str[i] != '\n') && (str[i] != ' '))
        {
            glypheTexRect = font->getGlyphTexCoords(str[i]);
            GlyphTexCoords[i].left = glypheTexRect.left * fontTexture->getSrcWidth();
            GlyphTexCoords[i].top = glypheTexRect.top * fontTexture->getSrcHeight();
            GlyphTexCoords[i].right = glypheTexRect.right * fontTexture->getSrcWidth();
            GlyphTexCoords[i].bottom = glypheTexRect.bottom * fontTexture->getSrcHeight();

            if (GlyphTexCoords[i].getHeight() > charheight)
                charheight = GlyphTexCoords[i].getHeight();
            if (GlyphTexCoords[i].getWidth() > charwidth)
                charwidth = GlyphTexCoords[i].getWidth();
        }

    }

    size_t cursorX = 0;
    size_t cursorY = 0;
    size_t lineend = destRectangle.getWidth();
    bool carriagreturn = true;
    for (unsigned int strindex = 0; strindex < str.size(); strindex++)
    {
        switch(str[strindex])
        {
        case ' ':
            cursorX += charwidth;
            break;
        case '\t':
            cursorX += charwidth * 3;
            break;
        case '\n':
            cursorY += charheight;
            carriagreturn = true;
            break;
        default:
        {
            //wrapping
            if ((cursorX + GlyphTexCoords[strindex].getWidth()> lineend) && !carriagreturn )
            {
                cursorY += charheight;
                carriagreturn = true;
            }

            //justify
            if (carriagreturn)
            {
                size_t l = strindex;
                size_t textwidth = 0;
                size_t wordwidth = 0;

                while( (l < str.size() ) && (str[l] != '\n'))
                {
                    wordwidth = 0;
//.........这里部分代码省略.........