Qt加载XPM图像
小编:啊南 1817阅读 2021.03.02
XPM是一种基于ASCII编码的图像格式,一般用于创建图标。由于它是ASCII编码,很方便地在代码中使用。
Qt的QPixmap类支持XPM格式,原型如下:
QPixmap::QPixmap(const char *const [] xpm)
摘取Qt源码中的"严重警告"XPM图标:
static const char* const critical_xpm[]={ "32 32 4 1", ". c None", "a c #999999", "* c #ff0000", "b c #ffffff", "...........********.............", ".........************...........", ".......****************.........", "......******************........", ".....********************a......", "....**********************a.....", "...************************a....", "..*******b**********b*******a...", "..******bbb********bbb******a...", ".******bbbbb******bbbbb******a..", ".*******bbbbb****bbbbb*******a..", "*********bbbbb**bbbbb*********a.", "**********bbbbbbbbbb**********a.", "***********bbbbbbbb***********aa", "************bbbbbb************aa", "************bbbbbb************aa", "***********bbbbbbbb***********aa", "**********bbbbbbbbbb**********aa", "*********bbbbb**bbbbb*********aa", ".*******bbbbb****bbbbb*******aa.", ".******bbbbb******bbbbb******aa.", "..******bbb********bbb******aaa.", "..*******b**********b*******aa..", "...************************aaa..", "....**********************aaa...", "....a********************aaa....", ".....a******************aaa.....", "......a****************aaa......", ".......aa************aaaa.......", ".........aa********aaaaa........", "...........aaaaaaaaaaa..........", ".............aaaaaaa............"};
可以看出如果XMP图像有一定的可读性。
简单使用例子- 运行效果:
- 代码:
#includepng转xpm格式工具#include #include /* XPM */ static const char * const information_xpm[]={ "32 32 5 1", ". c None", "c c #000000", "* c #999999", "a c #ffffff", "b c #0000ff", "...........********.............", "........***aaaaaaaa***..........", "......**aaaaaaaaaaaaaa**........", ".....*aaaaaaaaaaaaaaaaaa*.......", "....*aaaaaaaabbbbaaaaaaaac......", "...*aaaaaaaabbbbbbaaaaaaaac.....", "..*aaaaaaaaabbbbbbaaaaaaaaac....", ".*aaaaaaaaaaabbbbaaaaaaaaaaac...", ".*aaaaaaaaaaaaaaaaaaaaaaaaaac*..", "*aaaaaaaaaaaaaaaaaaaaaaaaaaaac*.", "*aaaaaaaaaabbbbbbbaaaaaaaaaaac*.", "*aaaaaaaaaaaabbbbbaaaaaaaaaaac**", "*aaaaaaaaaaaabbbbbaaaaaaaaaaac**", "*aaaaaaaaaaaabbbbbaaaaaaaaaaac**", "*aaaaaaaaaaaabbbbbaaaaaaaaaaac**", "*aaaaaaaaaaaabbbbbaaaaaaaaaaac**", ".*aaaaaaaaaaabbbbbaaaaaaaaaac***", ".*aaaaaaaaaaabbbbbaaaaaaaaaac***", "..*aaaaaaaaaabbbbbaaaaaaaaac***.", "...caaaaaaabbbbbbbbbaaaaaac****.", "....caaaaaaaaaaaaaaaaaaaac****..", ".....caaaaaaaaaaaaaaaaaac****...", "......ccaaaaaaaaaaaaaacc****....", ".......*cccaaaaaaaaccc*****.....", "........***cccaaaac*******......", "..........****caaac*****........", ".............*caaac**...........", "...............caac**...........", "................cac**...........", ".................cc**...........", "..................***...........", "...................**..........."}; /* XPM */ static const char* const warning_xpm[]={ "32 32 4 1", ". c None", "a c #ffff00", "* c #000000", "b c #999999", ".............***................", "............*aaa*...............", "...........*aaaaa*b.............", "...........*aaaaa*bb............", "..........*aaaaaaa*bb...........", "..........*aaaaaaa*bb...........", ".........*aaaaaaaaa*bb..........", ".........*aaaaaaaaa*bb..........", "........*aaaaaaaaaaa*bb.........", "........*aaaa***aaaa*bb.........", ".......*aaaa*****aaaa*bb........", ".......*aaaa*****aaaa*bb........", "......*aaaaa*****aaaaa*bb.......", "......*aaaaa*****aaaaa*bb.......", ".....*aaaaaa*****aaaaaa*bb......", ".....*aaaaaa*****aaaaaa*bb......", "....*aaaaaaaa***aaaaaaaa*bb.....", "....*aaaaaaaa***aaaaaaaa*bb.....", "...*aaaaaaaaa***aaaaaaaaa*bb....", "...*aaaaaaaaaa*aaaaaaaaaa*bb....", "..*aaaaaaaaaaa*aaaaaaaaaaa*bb...", "..*aaaaaaaaaaaaaaaaaaaaaaa*bb...", ".*aaaaaaaaaaaa**aaaaaaaaaaa*bb..", ".*aaaaaaaaaaa****aaaaaaaaaa*bb..", "*aaaaaaaaaaaa****aaaaaaaaaaa*bb.", "*aaaaaaaaaaaaa**aaaaaaaaaaaa*bb.", "*aaaaaaaaaaaaaaaaaaaaaaaaaaa*bbb", "*aaaaaaaaaaaaaaaaaaaaaaaaaaa*bbb", ".*aaaaaaaaaaaaaaaaaaaaaaaaa*bbbb", "..*************************bbbbb", "....bbbbbbbbbbbbbbbbbbbbbbbbbbb.", ".....bbbbbbbbbbbbbbbbbbbbbbbbb.."}; /* XPM */ static const char* const critical_xpm[]={ "32 32 4 1", ". c None", "a c #999999", "* c #ff0000", "b c #ffffff", "...........********.............", ".........************...........", ".......****************.........", "......******************........", ".....********************a......", "....**********************a.....", "...************************a....", "..*******b**********b*******a...", "..******bbb********bbb******a...", ".******bbbbb******bbbbb******a..", ".*******bbbbb****bbbbb*******a..", "*********bbbbb**bbbbb*********a.", "**********bbbbbbbbbb**********a.", "***********bbbbbbbb***********aa", "************bbbbbb************aa", "************bbbbbb************aa", "***********bbbbbbbb***********aa", "**********bbbbbbbbbb**********aa", "*********bbbbb**bbbbb*********aa", ".*******bbbbb****bbbbb*******aa.", ".******bbbbb******bbbbb******aa.", "..******bbb********bbb******aaa.", "..*******b**********b*******aa..", "...************************aaa..", "....**********************aaa...", "....a********************aaa....", ".....a******************aaa.....", "......a****************aaa......", ".......aa************aaaa.......", ".........aa********aaaaa........", "...........aaaaaaaaaaa..........", ".............aaaaaaa............"}; /* XPM */ static const char *const question_xpm[] = { "32 32 5 1", ". c None", "c c #000000", "* c #999999", "a c #ffffff", "b c #0000ff", "...........********.............", "........***aaaaaaaa***..........", "......**aaaaaaaaaaaaaa**........", ".....*aaaaaaaaaaaaaaaaaa*.......", "....*aaaaaaaaaaaaaaaaaaaac......", "...*aaaaaaaabbbbbbaaaaaaaac.....", "..*aaaaaaaabaaabbbbaaaaaaaac....", ".*aaaaaaaabbaaaabbbbaaaaaaaac...", ".*aaaaaaaabbbbaabbbbaaaaaaaac*..", "*aaaaaaaaabbbbaabbbbaaaaaaaaac*.", "*aaaaaaaaaabbaabbbbaaaaaaaaaac*.", "*aaaaaaaaaaaaabbbbaaaaaaaaaaac**", "*aaaaaaaaaaaaabbbaaaaaaaaaaaac**", "*aaaaaaaaaaaaabbaaaaaaaaaaaaac**", "*aaaaaaaaaaaaabbaaaaaaaaaaaaac**", "*aaaaaaaaaaaaaaaaaaaaaaaaaaaac**", ".*aaaaaaaaaaaabbaaaaaaaaaaaac***", ".*aaaaaaaaaaabbbbaaaaaaaaaaac***", "..*aaaaaaaaaabbbbaaaaaaaaaac***.", "...caaaaaaaaaabbaaaaaaaaaac****.", "....caaaaaaaaaaaaaaaaaaaac****..", ".....caaaaaaaaaaaaaaaaaac****...", "......ccaaaaaaaaaaaaaacc****....", ".......*cccaaaaaaaaccc*****.....", "........***cccaaaac*******......", "..........****caaac*****........", ".............*caaac**...........", "...............caac**...........", "................cac**...........", ".................cc**...........", "..................***...........", "...................**..........."}; int main(int argc, char *argv[]) { QApplication a(argc, argv); QWidget w; QHBoxLayout *layout = new QHBoxLayout(); QLabel infoLabel; infoLabel.setPixmap(QPixmap(information_xpm)); layout->addWidget(&infoLabel); QLabel warningLabel; warningLabel.setPixmap(QPixmap(warning_xpm)); layout->addWidget(&warningLabel); QLabel criticalLabel; criticalLabel.setPixmap(QPixmap(critical_xpm)); layout->addWidget(&criticalLabel); w.setLayout(layout); w.show(); return a.exec(); }
https://cn.office-converter.com/PNG-to-XPM
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