Ejemplos de calc_cut en C++ (Cpp)

Ejemplo n.º 1

Archivo: hwc_utils.cpp Proyecto: XperiaZProject/platform-hardware-qcom-display

//Crops source buffer against destination and FB boundaries
void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
                          const hwc_rect_t& scissor, int orient) {

    int& crop_l = crop.left;
    int& crop_t = crop.top;
    int& crop_r = crop.right;
    int& crop_b = crop.bottom;
    int crop_w = crop.right - crop.left;
    int crop_h = crop.bottom - crop.top;

    int& dst_l = dst.left;
    int& dst_t = dst.top;
    int& dst_r = dst.right;
    int& dst_b = dst.bottom;
    int dst_w = abs(dst.right - dst.left);
    int dst_h = abs(dst.bottom - dst.top);

    const int& sci_l = scissor.left;
    const int& sci_t = scissor.top;
    const int& sci_r = scissor.right;
    const int& sci_b = scissor.bottom;

    float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
            bottomCutRatio = 0.0f;

    if(dst_l < sci_l) {
        leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w;
        dst_l = sci_l;
    }

    if(dst_r > sci_r) {
        rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w;
        dst_r = sci_r;
    }

    if(dst_t < sci_t) {
        topCutRatio = (float)(sci_t - dst_t) / (float)dst_h;
        dst_t = sci_t;
    }

    if(dst_b > sci_b) {
        bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h;
        dst_b = sci_b;
    }

    calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
    crop_l += crop_w * leftCutRatio;
    crop_t += crop_h * topCutRatio;
    crop_r -= crop_w * rightCutRatio;
    crop_b -= crop_h * bottomCutRatio;
}

Ejemplo n.º 2

Archivo: hwc_utils.cpp Proyecto: JUDGEno1/Project-M

//Crops source buffer against destination and FB boundaries
void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
        const int fbWidth, const int fbHeight, int orient) {
    int& crop_l = crop.left;
    int& crop_t = crop.top;
    int& crop_r = crop.right;
    int& crop_b = crop.bottom;
    int crop_w = crop.right - crop.left;
    int crop_h = crop.bottom - crop.top;

    int& dst_l = dst.left;
    int& dst_t = dst.top;
    int& dst_r = dst.right;
    int& dst_b = dst.bottom;
    int dst_w = abs(dst.right - dst.left);
    int dst_h = abs(dst.bottom - dst.top);

    float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
            bottomCutRatio = 0.0f;

    if(dst_l < 0) {
        leftCutRatio = (float)(0.0f - dst_l) / (float)dst_w;
        dst_l = 0;
    }
    if(dst_r > fbWidth) {
        rightCutRatio = (float)(dst_r - fbWidth) / (float)dst_w;
        dst_r = fbWidth;
    }
    if(dst_t < 0) {
        topCutRatio = (float)(0 - dst_t) / (float)dst_h;
        dst_t = 0;
    }
    if(dst_b > fbHeight) {
        bottomCutRatio = (float)(dst_b - fbHeight) / (float)dst_h;
        dst_b = fbHeight;
    }

    calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
    crop_l += crop_w * leftCutRatio;
    crop_t += crop_h * topCutRatio;
    crop_r -= crop_w * rightCutRatio;
    crop_b -= crop_h * bottomCutRatio;
}