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这是我修改Qt5.6.3中linuxfb部分修改后的源码,亲测有效

代码片段和文件信息
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#include “qlinuxfbscreen.h“
#include
#include
#include pression>
#include
#include // overrides QT_OPEN
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
QT_BEGIN_NAMESPACE
static int openframebufferDevice(const QString &dev)
{
int fd = -1;
if (access(dev.toLatin1().constData() R_OK|W_OK) == 0)
fd = QT_OPEN(dev.toLatin1().constData() O_RDWR);
if (fd == -1) {
if (access(dev.toLatin1().constData() R_OK) == 0)
fd = QT_OPEN(dev.toLatin1().constData() O_RDONLY);
}
return fd;
}
static int determineDepth(const fb_var_screeninfo &vinfo)
{
int depth = vinfo.bits_per_pixel;
if (depth== 24) {
depth = vinfo.red.length + vinfo.green.length + vinfo.blue.length;
if (depth <= 0)
depth = 24; // reset if color component lengths are not reported
} else if (depth == 16) {
depth = vinfo.red.length + vinfo.green.length + vinfo.blue.length;
if (depth <= 0)
depth = 16;
}
return depth;
}
static
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 2375 2018-05-14 16:37 qlinuxfbscreen.h
文件 16261 2018-05-14 16:54 qlinuxfbscreen.cpp
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