Exemplos de stretchRect em C++ (Cpp)

Exemplo n.º 1

KisTextureTile::KisTextureTile(QRect imageRect, const KisGLTexturesInfo *texturesInfo,
                               const QByteArray &fillData, FilterMode filter)

    : m_textureId(0)
#ifdef USE_PIXEL_BUFFERS
    , m_glBuffer(0)
#endif
    , m_tileRectInImagePixels(imageRect)
    , m_filter(filter)
    , m_texturesInfo(texturesInfo)
    , m_needsMipmapRegeneration(false)
{
    const GLvoid *fd = fillData.constData();

    m_textureRectInImagePixels =
        stretchRect(m_tileRectInImagePixels, texturesInfo->border);

    m_tileRectInTexturePixels = relativeRect(m_textureRectInImagePixels,
                                m_tileRectInImagePixels,
                                m_texturesInfo);

    glGenTextures(1, &m_textureId);
    glBindTexture(GL_TEXTURE_2D, m_textureId);

    setTextureParameters();

#ifdef USE_PIXEL_BUFFERS
    createTextureBuffer(fillData);
    // we set fill data to 0 so the next glTexImage2D call uses our buffer
    fd = 0;
#endif

    glTexImage2D(GL_TEXTURE_2D, 0,
                 m_texturesInfo->internalFormat,
                 m_texturesInfo->width,
                 m_texturesInfo->height, 0,
                 m_texturesInfo->format,
                 m_texturesInfo->type, fd);

#ifdef USE_PIXEL_BUFFERS
    KisConfig cfg;
    if (cfg.useOpenGLTextureBuffer()) {
        m_glBuffer->release();
    }
#endif

    setNeedsMipmapRegeneration();
}

Exemplo n.º 2

Arquivo: kis_texture_tile.cpp Projeto: crayonink/calligra-2

KisTextureTile::KisTextureTile(QRect imageRect, const KisGLTexturesInfo *texturesInfo,
                               const GLvoid *fillData, FilterMode filter)

    : m_tileRectInImagePixels(imageRect), m_texturesInfo(texturesInfo)
{
    m_textureRectInImagePixels =
        stretchRect(m_tileRectInImagePixels, texturesInfo->border);

    m_tileRectInTexturePixels = relativeRect(m_textureRectInImagePixels,
                                             m_tileRectInImagePixels,
                                             m_texturesInfo);

    glGenTextures(1, &m_textureId);
    glBindTexture(GL_TEXTURE_2D, m_textureId);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);

    switch(filter) {
        case NearestFilterMode:
            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
            break;
        case BilinearFilterMode:
            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
            break;
        case TrilinearFilterMode:
            glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
            break;
    }

    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
    glTexImage2D(GL_TEXTURE_2D, 0,
                 m_texturesInfo->internalFormat,
                 m_texturesInfo->width,
                 m_texturesInfo->height, 0,
                 m_texturesInfo->format,
                 GL_UNSIGNED_BYTE, fillData);

}