atria-soft/egami
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[DEBUG] correct read of bitmap file and store

Browse Source
This commit is contained in:
Edouard DUPIN 2017-09-12 22:44:56 +02:00
parent eb5618aaac
commit c171d4a035
2 changed files with 149 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

185
egami/wrapperBMP.cpp
View File

@ -108,6 +108,7 @@ static void display(struct bitmapFileHeader _header, struct bitmapInfoHeader _in
egami::Image egami::loadBMP(const etk::String& _inputFile) {
etk::FSNode fileName(_inputFile);
EGAMI_VERBOSE("File='" << _inputFile << "' ==> " << fileName << " ==> " << fileName.getFileSystemName());
if (fileName.exist() == false) {
EGAMI_ERROR("File does not existed='" << fileName << "'");
return egami::Image();
@ -135,13 +136,18 @@ egami::Image egami::loadBMP(const etk::Vector<uint8_t>& _buffer) {
return out;
}
memcpy(&m_FileHeader, &_buffer[0], sizeof(struct bitmapFileHeader));
// check the header error :
if (m_FileHeader.bfType != 0x4D42) {
EGAMI_ERROR("the Buffer is not a bitmap file ... " << m_FileHeader.bfType << " != " << 0x4D42);
return out;
}
if (m_FileHeader.bfOffBits > sizeof(struct bitmapFileHeader) + sizeof(struct bitmapInfoHeader)) {
EGAMI_VERBOSE("Read bitmap in EXTENDED mode ...");
EGAMI_DEBUG("Read bitmap in EXTENDED mode ...");
if (_buffer.size() < sizeof(struct bitmapFileHeader) + sizeof(struct bitmapInfoHeaderExtended)) {
EGAMI_ERROR("error loading file header, not enough data");
return out;
}
memcpy(&m_FileHeader, &_buffer[sizeof(struct bitmapFileHeader)], sizeof(struct bitmapInfoHeaderExtended));
memcpy(&m_InfoHeaderExtended, &_buffer[sizeof(struct bitmapFileHeader)], sizeof(struct bitmapInfoHeaderExtended));
useExtended = true;
m_InfoHeader.biSize = m_InfoHeaderExtended.biSize;
m_InfoHeader.biWidth = m_InfoHeaderExtended.biWidth;
@ -154,19 +160,19 @@ egami::Image egami::loadBMP(const etk::Vector<uint8_t>& _buffer) {
m_InfoHeader.biXPelsPerMeter = m_InfoHeaderExtended.biXPelsPerMeter;
m_InfoHeader.biYPelsPerMeter = m_InfoHeaderExtended.biYPelsPerMeter;
} else {
EGAMI_VERBOSE("Read bitmap in BASIC mode ...");
EGAMI_DEBUG("Read bitmap in BASIC mode ...");
if (_buffer.size() < sizeof(struct bitmapFileHeader) + sizeof(struct bitmapInfoHeader)) {
EGAMI_ERROR("error loading file header, not enough data");
return out;
}
memcpy(&m_FileHeader, &_buffer[sizeof(struct bitmapFileHeader)], sizeof(struct bitmapInfoHeader));
memcpy(&m_InfoHeader, &_buffer[sizeof(struct bitmapFileHeader)], sizeof(struct bitmapInfoHeader));
useExtended = false;
}
int32_t offset = m_FileHeader.bfOffBits;
//display(m_FileHeader, m_InfoHeader);
int32_t offsetHeader = m_FileHeader.bfOffBits;
display(m_FileHeader, m_InfoHeader);
// check the header error :
if (m_FileHeader.bfType != 0x4D42) {
EGAMI_ERROR("the Buffer is not a bitmap file ...");
EGAMI_ERROR("the Buffer is not a bitmap file ... " << m_FileHeader.bfType << " != " << 0x4D42);
return out;
}
if (m_FileHeader.bfReserved != 0x00000000) {
@ -201,7 +207,7 @@ egami::Image egami::loadBMP(const etk::Vector<uint8_t>& _buffer) {
}
if(m_InfoHeader.biSizeImage != 0) {
if (_buffer.size() < offset + m_InfoHeader.biSizeImage) {
if (_buffer.size() < offsetHeader + m_InfoHeader.biSizeImage) {
EGAMI_CRITICAL("Can not read the file with the good size...");
}
}
@ -211,7 +217,7 @@ egami::Image egami::loadBMP(const etk::Vector<uint8_t>& _buffer) {
// need now to generate RGBA data ...
switch(m_dataMode) {
case BITS_16_R5G6B5: {
const uint16_t * pointer = (const uint16_t*)(&_buffer[offset]);
const uint16_t * pointer = (const uint16_t*)(&_buffer[offsetHeader]);
for(int32_t yyy=0; yyy<m_height; yyy++) {
for(int32_t xxx=0; xxx<m_width; xxx++) {
tmpColor.setB((uint8_t)((*pointer & 0xF800) >> 8));
@ -225,7 +231,7 @@ egami::Image egami::loadBMP(const etk::Vector<uint8_t>& _buffer) {
}
break;
case BITS_16_X1R5G5B5: {
const uint16_t * pointer = (const uint16_t*)(&_buffer[offset]);
const uint16_t * pointer = (const uint16_t*)(&_buffer[offsetHeader]);
for(int32_t yyy=0; yyy<m_height; yyy++) {
for(int32_t xxx=0; xxx<m_width; xxx++) {
tmpColor.setB((int8_t)((*pointer & 0x7C00) >> 7));
@ -248,7 +254,7 @@ egami::Image egami::loadBMP(const etk::Vector<uint8_t>& _buffer) {
} else if ((baseLine%4) == 3) {
offset = 1;
}
const uint8_t * pointer = (&_buffer[offset]);
const uint8_t * pointer = (&_buffer[offsetHeader]);
for(int32_t yyy=0; yyy<m_height; yyy++) {
for(int32_t xxx=0; xxx<m_width; xxx++) {
tmpColor.setB(*pointer++);
@ -264,7 +270,7 @@ egami::Image egami::loadBMP(const etk::Vector<uint8_t>& _buffer) {
}
break;
case BITS_32_X8R8G8B8: {
const uint8_t * pointer = (&_buffer[offset]);
const uint8_t * pointer = (&_buffer[offsetHeader]);
for(int32_t yyy=0; yyy<m_height; yyy++) {
for(int32_t xxx=0; xxx<m_width; xxx++) {
pointer++;
@ -278,7 +284,7 @@ egami::Image egami::loadBMP(const etk::Vector<uint8_t>& _buffer) {
}
break;
case BITS_32_A8R8G8B8: {
const uint8_t * pointer = (&_buffer[offset]);
const uint8_t * pointer = (&_buffer[offsetHeader]);
for(int32_t yyy=0; yyy<m_height; yyy++) {
for(int32_t xxx=0; xxx<m_width; xxx++) {
tmpColor.setB(*pointer++);
@ -297,27 +303,29 @@ egami::Image egami::loadBMP(const etk::Vector<uint8_t>& _buffer) {
return out;
}
#if 1
// Extended mode
bool egami::storeBMP(const etk::String& _fileName, const egami::Image& _inputImage) {
struct bitmapFileHeader m_FileHeader;
struct bitmapInfoHeaderExtended m_InfoHeader;
memset(&m_InfoHeader, 0, sizeof(bitmapInfoHeaderExtended));
struct bitmapInfoHeaderExtended m_InfoHeaderExtended;
memset(&m_InfoHeaderExtended, 0, sizeof(bitmapInfoHeaderExtended));
m_FileHeader.bfType = 0x4D42;
m_FileHeader.bfSize = sizeof(struct bitmapFileHeader) + sizeof(struct bitmapInfoHeaderExtended);
m_FileHeader.bfReserved = 0;
m_FileHeader.bfOffBits = sizeof(struct bitmapFileHeader) + sizeof(struct bitmapInfoHeaderExtended);
//EGAMI_ERROR("plopppppppppppppp " << m_FileHeader.bfOffBits);
m_InfoHeader.biSize = sizeof(struct bitmapInfoHeaderExtended);
m_InfoHeader.biWidth = _inputImage.getSize().x();
m_InfoHeader.biHeight = _inputImage.getSize().y();
m_InfoHeader.biPlanes = 1;
m_InfoHeaderExtended.biSize = sizeof(struct bitmapInfoHeaderExtended);
m_InfoHeaderExtended.biWidth = _inputImage.getSize().x();
m_InfoHeaderExtended.biHeight = _inputImage.getSize().y();
m_InfoHeaderExtended.biPlanes = 1;
int32_t offset = 0;
if (_inputImage.getType() == egami::colorType::RGBA8) {
m_InfoHeader.biBitCount = 32;
m_InfoHeader.biCompression = 0;
m_InfoHeader.biSizeImage = _inputImage.getSize().x()*_inputImage.getSize().y()*4;
m_InfoHeaderExtended.biBitCount = 32;
m_InfoHeaderExtended.biCompression = 0;
m_InfoHeaderExtended.biSizeImage = _inputImage.getSize().x()*_inputImage.getSize().y()*4;
} else {
m_InfoHeader.biBitCount = 24;
m_InfoHeader.biCompression = 0;
m_InfoHeaderExtended.biBitCount = 24;
m_InfoHeaderExtended.biCompression = 0;
int32_t baseLine = _inputImage.getSize().x() * 3;
if ((baseLine%4) == 1) {
offset = 3;
@ -326,21 +334,21 @@ bool egami::storeBMP(const etk::String& _fileName, const egami::Image& _inputIma
} else if ((baseLine%4) == 3) {
offset = 1;
}
m_InfoHeader.biSizeImage = (baseLine+offset)*_inputImage.getSize().y();
m_InfoHeaderExtended.biSizeImage = (baseLine+offset)*_inputImage.getSize().y();
}
m_FileHeader.bfSize += m_InfoHeader.biSizeImage;
m_InfoHeader.biXPelsPerMeter = 72*39.3701+1;
m_InfoHeader.biYPelsPerMeter = 72*39.3701+1;
//m_InfoHeader.biClrUsed = 0;
//m_InfoHeader.biClrImportant = 0;
m_FileHeader.bfSize += m_InfoHeaderExtended.biSizeImage;
m_InfoHeaderExtended.biXPelsPerMeter = 72*39.3701+1;
m_InfoHeaderExtended.biYPelsPerMeter = 72*39.3701+1;
//m_InfoHeaderExtended.biClrUsed = 0;
//m_InfoHeaderExtended.biClrImportant = 0;
m_InfoHeader.biLCSColorSpace = 0x73524742; // "Win "
m_InfoHeaderExtended.biLCSColorSpace = 0x73524742; // "Win "
//display(m_FileHeader, m_InfoHeader);
m_InfoHeader.biBitMaskRed = 0x0000FF00;
m_InfoHeader.biBitMaskGreen = 0x00FF0000;
m_InfoHeader.biBitMaskBlue = 0xFF000000;
m_InfoHeader.biBitMaskAlpha = 0x000000FF;
//display(m_FileHeader, m_InfoHeaderExtended);
m_InfoHeaderExtended.biBitMaskRed = 0x0000FF00;
m_InfoHeaderExtended.biBitMaskGreen = 0x00FF0000;
m_InfoHeaderExtended.biBitMaskBlue = 0xFF000000;
m_InfoHeaderExtended.biBitMaskAlpha = 0x000000FF;
etk::FSNode fileName(_fileName);
if(false == fileName.fileOpenWrite() ) {
@ -353,7 +361,7 @@ bool egami::storeBMP(const etk::String& _fileName, const egami::Image& _inputIma
fileName.fileClose();
return false;
}
if (fileName.fileWrite(&m_InfoHeader,sizeof(struct bitmapInfoHeaderExtended),1) != 1) {
if (fileName.fileWrite(&m_InfoHeaderExtended,sizeof(struct bitmapInfoHeaderExtended),1) != 1) {
EGAMI_ERROR("error loading file header");
fileName.fileClose();
return false;
@ -403,4 +411,107 @@ bool egami::storeBMP(const etk::String& _fileName, const egami::Image& _inputIma
fileName.fileClose();
return true;
}
#else
// old mode:
bool egami::storeBMP(const etk::String& _fileName, const egami::Image& _inputImage) {
struct bitmapFileHeader m_FileHeader;
struct bitmapInfoHeader m_InfoHeader;
memset(&m_InfoHeader, 0, sizeof(bitmapInfoHeader));
m_FileHeader.bfType = 0x4D42;
m_FileHeader.bfSize = sizeof(struct bitmapFileHeader) + sizeof(struct bitmapInfoHeader);
m_FileHeader.bfReserved = 0;
m_FileHeader.bfOffBits = sizeof(struct bitmapFileHeader) + sizeof(struct bitmapInfoHeader);
//EGAMI_ERROR("plopppppppppppppp " << m_FileHeader.bfOffBits);
m_InfoHeader.biSize = sizeof(struct bitmapInfoHeader);
m_InfoHeader.biWidth = _inputImage.getSize().x();
m_InfoHeader.biHeight = _inputImage.getSize().y();
m_InfoHeader.biPlanes = 1;
int32_t offset = 0;
if (_inputImage.getType() == egami::colorType::RGBA8) {
m_InfoHeader.biBitCount = 32;
m_InfoHeader.biCompression = 0;
m_InfoHeader.biSizeImage = _inputImage.getSize().x()*_inputImage.getSize().y()*4;
} else {
m_InfoHeader.biBitCount = 24;
m_InfoHeader.biCompression = 0;
int32_t baseLine = _inputImage.getSize().x() * 3;
if ((baseLine%4) == 1) {
offset = 3;
} else if ((baseLine%4) == 2) {
offset = 2;
} else if ((baseLine%4) == 3) {
offset = 1;
}
m_InfoHeader.biSizeImage = (baseLine+offset)*_inputImage.getSize().y();
}
m_FileHeader.bfSize += m_InfoHeader.biSizeImage;
m_InfoHeader.biXPelsPerMeter = 72*39.3701+1;
m_InfoHeader.biYPelsPerMeter = 72*39.3701+1;
//m_InfoHeader.biClrUsed = 0;
//m_InfoHeader.biClrImportant = 0;
etk::FSNode fileName(_fileName);
if(false == fileName.fileOpenWrite() ) {
EGAMI_ERROR("Can not find the file name=\"" << fileName << "\"");
return false;
}
// Write header:
if (fileName.fileWrite(&m_FileHeader,sizeof(struct bitmapFileHeader),1) != 1) {
EGAMI_ERROR("error loading file header");
fileName.fileClose();
return false;
}
if (fileName.fileWrite(&m_InfoHeader,sizeof(struct bitmapInfoHeader),1) != 1) {
EGAMI_ERROR("error loading file header");
fileName.fileClose();
return false;
}
EGAMI_ERROR("header size = " << sizeof(struct bitmapFileHeader) << " + " << sizeof(struct bitmapInfoHeader) << " = " << (sizeof(struct bitmapFileHeader)+sizeof(struct bitmapInfoHeader)) );
/* TODO: Avec ca, ca ne fonctionne pas ... ==> check
if(fileName.fileSeek(m_FileHeader.bfOffBits, etk::FSN_SEEK_START) == false) {
EGAMI_ERROR("error with the 'bfOffBits' in the file named=\"" << fileName << "\"");
fileName.fileClose();
return false;
}
*/
if (_inputImage.getType() == egami::colorType::RGBA8) {
uint8_t data[16];
for(int32_t yyy=0; yyy<_inputImage.getSize().y(); ++yyy) {
for(int32_t xxx=0; xxx<_inputImage.getSize().x(); ++xxx) {
const etk::Color<>& tmpColor = _inputImage.get(ivec2(xxx,_inputImage.getSize().y()-yyy-1));
uint8_t* pointer = data;
*pointer++ = tmpColor.r();
*pointer++ = tmpColor.g();
*pointer++ = tmpColor.b();
*pointer++ = tmpColor.a();
fileName.fileWrite(data,4,1);
}
}
} else {
uint8_t data[16];
for(int32_t yyy=0; yyy<_inputImage.getSize().y(); ++yyy) {
for(int32_t xxx=0; xxx<_inputImage.getSize().x(); ++xxx) {
const etk::Color<>& tmpColor = _inputImage.get(ivec2(xxx,_inputImage.getSize().y()-yyy-1));
uint8_t* pointer = data;
*pointer++ = tmpColor.b();
*pointer++ = tmpColor.g();
*pointer++ = tmpColor.r();
fileName.fileWrite(data,3,1);
}
if (offset != 0) {
uint8_t pointer[4];
pointer[0] = 0;
pointer[1] = 0;
pointer[2] = 0;
pointer[3] = 0;
fileName.fileWrite(pointer,1,offset);
}
}
}
fileName.fileClose();
return true;
}
#endif

5
test/main.cpp
View File

@ -12,10 +12,7 @@
int main(int argc, const char *argv[]) {
// init Google test :
::testing::InitGoogleTest(&argc, const_cast<char **>(argv));
// init etk log system and file interface:
etk::init(argc, argv);
etest::init(argc, argv);
// Run all test with etest
return RUN_ALL_TESTS();
}