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MxBitmap refactor

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This commit is contained in:
disinvite 2024-05-27 21:21:59 -04:00
parent 979a05857d
commit b8231ea537
2 changed files with 131 additions and 101 deletions
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11
LEGO1/omni/include/mxbitmap.h
View File

@ -111,12 +111,8 @@ class MxBitmap : public MxCore {
inline MxBITMAPINFO* GetBitmapInfo() const { return m_info; }
// FUNCTION: BETA10 0x100982b0
inline MxLong GetDataSize() const
{
MxLong absHeight = GetBmiHeightAbs();
MxLong alignedWidth = AlignToFourByte(m_bmiHeader->biWidth);
return alignedWidth * absHeight;
}
inline MxLong GetDataSize() const { return AlignToFourByte(m_bmiHeader->biWidth) * GetBmiHeightAbs(); }
inline MxLong GetAdjustedStride()
{
if (m_bmiHeader->biCompression == BI_RGB_TOPDOWN || m_bmiHeader->biHeight < 0) {
@ -157,6 +153,9 @@ class MxBitmap : public MxCore {
// MxBitmap::`scalar deleting destructor'
private:
// FUNCTION: BETA10 0x1013dd10
inline MxLong MxBitmapInfoSize() const { return sizeof(MxBITMAPINFO); }
// FUNCTION: BETA10 0x1013dd30
inline MxBool IsBottomUp()
{

221
LEGO1/omni/src/video/mxbitmap.cpp
View File

@ -45,33 +45,42 @@ MxResult MxBitmap::SetSize(MxS32 p_width, MxS32 p_height, MxPalette* p_palette,
MxResult ret = FAILURE;
MxLong size = AlignToFourByte(p_width) * p_height;
m_info = new MxBITMAPINFO;
if (m_info) {
m_data = new MxU8[size];
if (m_data) {
m_bmiHeader = &m_info->m_bmiHeader;
m_paletteData = m_info->m_bmiColors;
memset(&m_info->m_bmiHeader, 0, sizeof(m_info->m_bmiHeader));
m_bmiHeader->biSize = sizeof(*m_bmiHeader); // should be 40 bytes
m_bmiHeader->biWidth = p_width;
m_bmiHeader->biHeight = p_height;
m_bmiHeader->biPlanes = 1;
m_bmiHeader->biBitCount = 8;
m_bmiHeader->biCompression = 0;
m_bmiHeader->biSizeImage = size;
if (!ImportColorsToPalette(m_paletteData, p_palette)) {
if (!SetBitDepth(p_isHighColor)) {
ret = SUCCESS;
}
}
}
m_info = (MxBITMAPINFO*) new MxU8[MxBitmapInfoSize()];
if (!m_info) {
goto done;
}
m_data = new MxU8[size];
if (!m_data) {
goto done;
}
m_bmiHeader = &m_info->m_bmiHeader;
m_paletteData = m_info->m_bmiColors;
memset(m_bmiHeader, 0, sizeof(m_info->m_bmiHeader));
m_bmiHeader->biSize = sizeof(*m_bmiHeader); // should be 40 bytes
m_bmiHeader->biWidth = p_width;
m_bmiHeader->biHeight = p_height;
m_bmiHeader->biPlanes = 1;
m_bmiHeader->biBitCount = 8;
m_bmiHeader->biCompression = 0;
m_bmiHeader->biSizeImage = size;
if (ImportColorsToPalette(m_paletteData, p_palette)) {
goto done;
}
if (SetBitDepth(p_isHighColor)) {
goto done;
}
ret = SUCCESS;
done:
if (ret) {
if (m_info) {
delete m_info;
delete[] m_info;
m_info = NULL;
}
@ -89,24 +98,27 @@ MxResult MxBitmap::SetSize(MxS32 p_width, MxS32 p_height, MxPalette* p_palette,
MxResult MxBitmap::ImportBitmapInfo(MxBITMAPINFO* p_info)
{
MxResult result = FAILURE;
MxLong width = p_info->m_bmiHeader.biWidth;
MxLong height = p_info->m_bmiHeader.biHeight;
MxLong size = AlignToFourByte(width) * height;
MxLong size = AlignToFourByte(p_info->m_bmiHeader.biWidth) * p_info->m_bmiHeader.biHeight;
m_info = new MxBITMAPINFO;
if (m_info) {
m_data = new MxU8[size];
if (m_data) {
memcpy(m_info, p_info, sizeof(*m_info));
m_bmiHeader = &m_info->m_bmiHeader;
m_paletteData = m_info->m_bmiColors;
result = SUCCESS;
}
m_info = (MxBITMAPINFO*) new MxU8[MxBitmapInfoSize()];
if (!m_info) {
goto done;
}
m_data = new MxU8[size];
if (!m_data) {
goto done;
}
memcpy(m_info, p_info, MxBitmapInfoSize());
m_bmiHeader = &m_info->m_bmiHeader;
m_paletteData = m_info->m_bmiColors;
result = SUCCESS;
done:
if (result != SUCCESS) {
if (m_info) {
delete m_info;
delete[] m_info;
m_info = NULL;
}
@ -125,27 +137,32 @@ MxResult MxBitmap::ImportBitmap(MxBitmap* p_bitmap)
{
MxResult result = FAILURE;
m_info = new MxBITMAPINFO;
if (m_info) {
m_data = new MxU8[p_bitmap->GetDataSize()];
if (m_data) {
memcpy(m_info, p_bitmap->GetBitmapInfo(), MxBITMAPINFO::Size());
memcpy(m_data, p_bitmap->GetImage(), p_bitmap->GetDataSize());
m_bmiHeader = &m_info->m_bmiHeader;
m_paletteData = m_info->m_bmiColors;
result = SUCCESS;
}
m_info = (MxBITMAPINFO*) new MxU8[p_bitmap->MxBitmapInfoSize()];
if (!m_info) {
goto done;
}
m_data = new MxU8[p_bitmap->GetDataSize()];
if (!m_data) {
goto done;
}
memcpy(m_info, p_bitmap->GetBitmapInfo(), p_bitmap->MxBitmapInfoSize());
memcpy(m_data, p_bitmap->GetImage(), p_bitmap->GetDataSize());
m_bmiHeader = &m_info->m_bmiHeader;
m_paletteData = m_info->m_bmiColors;
result = SUCCESS;
done:
if (result != SUCCESS) {
if (m_info) {
delete m_info;
delete[] m_info;
m_info = NULL;
}
if (m_data) {
delete m_data;
delete[] m_data;
m_data = NULL;
}
}
@ -158,13 +175,21 @@ MxResult MxBitmap::ImportBitmap(MxBitmap* p_bitmap)
MxLong MxBitmap::Read(const char* p_filename)
{
MxResult result = FAILURE;
HANDLE handle =
CreateFileA(p_filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
HANDLE handle = 0;
if (handle != INVALID_HANDLE_VALUE && !LoadFile(handle)) {
result = SUCCESS;
handle = CreateFileA(p_filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (handle == INVALID_HANDLE_VALUE) {
goto done;
}
if (LoadFile(handle)) {
goto done;
}
result = SUCCESS;
done:
if (handle) {
CloseHandle(handle);
}
@ -177,41 +202,59 @@ MxLong MxBitmap::Read(const char* p_filename)
MxResult MxBitmap::LoadFile(HANDLE p_handle)
{
MxResult result = FAILURE;
MxLong unused = 0;
MxLong size;
DWORD bytesRead;
BITMAPFILEHEADER hdr;
BOOL ret = ReadFile(p_handle, &hdr, sizeof(hdr), &bytesRead, NULL);
if (ret && (hdr.bfType == g_bitmapSignature)) {
m_info = new MxBITMAPINFO;
if (m_info) {
ret = ReadFile(p_handle, m_info, sizeof(*m_info), &bytesRead, NULL);
if (ret && (m_info->m_bmiHeader.biBitCount == 8)) {
MxLong size = hdr.bfSize - (sizeof(MxBITMAPINFO) + sizeof(BITMAPFILEHEADER));
m_data = new MxU8[size];
if (m_data) {
ret = ReadFile(p_handle, m_data, size, &bytesRead, NULL);
if (ret) {
m_bmiHeader = &m_info->m_bmiHeader;
m_paletteData = m_info->m_bmiColors;
if (m_info->m_bmiHeader.biSizeImage == 0) {
MxLong height = HeightAbs(m_info->m_bmiHeader.biHeight);
m_info->m_bmiHeader.biSizeImage = AlignToFourByte(m_info->m_bmiHeader.biWidth) * height;
}
result = SUCCESS;
}
}
}
}
if (!ReadFile(p_handle, &hdr, sizeof(hdr), &bytesRead, NULL)) {
goto done;
}
if (hdr.bfType != g_bitmapSignature) {
goto done;
}
m_info = (MxBITMAPINFO*) new MxU8[MxBitmapInfoSize()];
if (!m_info) {
goto done;
}
if (!ReadFile(p_handle, m_info, MxBitmapInfoSize(), &bytesRead, NULL)) {
goto done;
}
if (m_info->m_bmiHeader.biBitCount != 8) {
goto done;
}
size = hdr.bfSize - sizeof(BITMAPFILEHEADER) - MxBitmapInfoSize();
m_data = new MxU8[size];
if (!m_data) {
goto done;
}
if (!ReadFile(p_handle, m_data, size, &bytesRead, NULL)) {
goto done;
}
m_bmiHeader = &m_info->m_bmiHeader;
m_paletteData = m_info->m_bmiColors;
if (m_info->m_bmiHeader.biSizeImage == 0) {
m_info->m_bmiHeader.biSizeImage = GetDataSize();
}
result = SUCCESS;
done:
if (result != SUCCESS) {
if (m_info) {
delete m_info;
delete[] m_info;
m_info = NULL;
}
if (m_data) {
delete m_data;
delete[] m_data;
m_data = NULL;
}
}
@ -315,17 +358,13 @@ MxPalette* MxBitmap::CreatePalette()
switch (m_isHighColor) {
case FALSE:
palette = new MxPalette(m_paletteData);
if (!palette) {
if (!(palette = new MxPalette(m_paletteData))) {
goto done;
}
break;
case TRUE:
palette = m_palette->Clone();
if (!palette) {
if (!(palette = m_palette->Clone())) {
goto done;
}
@ -356,9 +395,7 @@ void MxBitmap::ImportPalette(MxPalette* p_palette)
break;
case TRUE:
if (m_palette) {
delete m_palette;
}
delete m_palette;
m_palette = p_palette->Clone();
break;
}
@ -380,17 +417,11 @@ MxResult MxBitmap::SetBitDepth(MxBool p_isHighColor)
switch (p_isHighColor) {
case FALSE:
ImportColorsToPalette(m_paletteData, m_palette);
if (m_palette) {
delete m_palette;
}
delete m_palette;
m_palette = NULL;
break;
case TRUE: {
pal = NULL;
pal = new MxPalette(m_paletteData);
if (!pal) {
if (!(pal = new MxPalette(m_paletteData))) {
goto done;
}