diff options
Diffstat (limited to 'core/fxge/dib/fx_dib_main.cpp')
| -rw-r--r-- | core/fxge/dib/fx_dib_main.cpp | 335 |
1 files changed, 1 insertions, 334 deletions
diff --git a/core/fxge/dib/fx_dib_main.cpp b/core/fxge/dib/fx_dib_main.cpp index 32b7c0be52..7ee2ee58ee 100644 --- a/core/fxge/dib/fx_dib_main.cpp +++ b/core/fxge/dib/fx_dib_main.cpp @@ -15,6 +15,7 @@ #include "core/fxcodec/fx_codec.h" #include "core/fxcrt/cfx_maybe_owned.h" #include "core/fxge/cfx_gemodule.h" +#include "core/fxge/dib/cfx_filtereddib.h" #include "core/fxge/dib/dib_int.h" #include "core/fxge/ge/cfx_cliprgn.h" #include "third_party/base/ptr_util.h" @@ -43,19 +44,6 @@ uint32_t ArgbEncode(int a, FX_COLORREF rgb) { FXSYS_GetBValue(rgb)); } -CFX_DIBSource::CFX_DIBSource() - : m_Width(0), m_Height(0), m_bpp(0), m_AlphaFlag(0), m_Pitch(0) {} - -CFX_DIBSource::~CFX_DIBSource() {} - -uint8_t* CFX_DIBSource::GetBuffer() const { - return nullptr; -} - -bool CFX_DIBSource::SkipToScanline(int line, IFX_Pause* pPause) const { - return false; -} - CFX_DIBitmap::CFX_DIBitmap() { m_bExtBuf = false; m_pBuffer = nullptr; @@ -167,131 +155,6 @@ void CFX_DIBitmap::TakeOver(CFX_RetainPtr<CFX_DIBitmap>&& pSrcBitmap) { m_Pitch = pSrcBitmap->m_Pitch; } -CFX_RetainPtr<CFX_DIBitmap> CFX_DIBSource::Clone(const FX_RECT* pClip) const { - FX_RECT rect(0, 0, m_Width, m_Height); - if (pClip) { - rect.Intersect(*pClip); - if (rect.IsEmpty()) - return nullptr; - } - auto pNewBitmap = pdfium::MakeRetain<CFX_DIBitmap>(); - if (!pNewBitmap->Create(rect.Width(), rect.Height(), GetFormat())) - return nullptr; - - pNewBitmap->SetPalette(m_pPalette.get()); - pNewBitmap->SetAlphaMask(m_pAlphaMask, pClip); - if (GetBPP() == 1 && rect.left % 8 != 0) { - int left_shift = rect.left % 32; - int right_shift = 32 - left_shift; - int dword_count = pNewBitmap->m_Pitch / 4; - for (int row = rect.top; row < rect.bottom; row++) { - uint32_t* src_scan = (uint32_t*)GetScanline(row) + rect.left / 32; - uint32_t* dest_scan = (uint32_t*)pNewBitmap->GetScanline(row - rect.top); - for (int i = 0; i < dword_count; i++) { - dest_scan[i] = - (src_scan[i] << left_shift) | (src_scan[i + 1] >> right_shift); - } - } - } else { - int copy_len = (pNewBitmap->GetWidth() * pNewBitmap->GetBPP() + 7) / 8; - if (m_Pitch < (uint32_t)copy_len) - copy_len = m_Pitch; - - for (int row = rect.top; row < rect.bottom; row++) { - const uint8_t* src_scan = GetScanline(row) + rect.left * m_bpp / 8; - uint8_t* dest_scan = (uint8_t*)pNewBitmap->GetScanline(row - rect.top); - FXSYS_memcpy(dest_scan, src_scan, copy_len); - } - } - return pNewBitmap; -} - -void CFX_DIBSource::BuildPalette() { - if (m_pPalette) - return; - - if (GetBPP() == 1) { - m_pPalette.reset(FX_Alloc(uint32_t, 2)); - if (IsCmykImage()) { - m_pPalette.get()[0] = 0xff; - m_pPalette.get()[1] = 0; - } else { - m_pPalette.get()[0] = 0xff000000; - m_pPalette.get()[1] = 0xffffffff; - } - } else if (GetBPP() == 8) { - m_pPalette.reset(FX_Alloc(uint32_t, 256)); - if (IsCmykImage()) { - for (int i = 0; i < 256; i++) - m_pPalette.get()[i] = 0xff - i; - } else { - for (int i = 0; i < 256; i++) - m_pPalette.get()[i] = 0xff000000 | (i * 0x10101); - } - } -} - -bool CFX_DIBSource::BuildAlphaMask() { - if (m_pAlphaMask) - return true; - - m_pAlphaMask = pdfium::MakeRetain<CFX_DIBitmap>(); - if (!m_pAlphaMask->Create(m_Width, m_Height, FXDIB_8bppMask)) { - m_pAlphaMask = nullptr; - return false; - } - FXSYS_memset(m_pAlphaMask->GetBuffer(), 0xff, - m_pAlphaMask->GetHeight() * m_pAlphaMask->GetPitch()); - return true; -} - -uint32_t CFX_DIBSource::GetPaletteEntry(int index) const { - ASSERT((GetBPP() == 1 || GetBPP() == 8) && !IsAlphaMask()); - if (m_pPalette) { - return m_pPalette.get()[index]; - } - if (IsCmykImage()) { - if (GetBPP() == 1) { - return index ? 0 : 0xff; - } - return 0xff - index; - } - if (GetBPP() == 1) { - return index ? 0xffffffff : 0xff000000; - } - return index * 0x10101 | 0xff000000; -} - -void CFX_DIBSource::SetPaletteEntry(int index, uint32_t color) { - ASSERT((GetBPP() == 1 || GetBPP() == 8) && !IsAlphaMask()); - if (!m_pPalette) { - BuildPalette(); - } - m_pPalette.get()[index] = color; -} - -int CFX_DIBSource::FindPalette(uint32_t color) const { - ASSERT((GetBPP() == 1 || GetBPP() == 8) && !IsAlphaMask()); - if (!m_pPalette) { - if (IsCmykImage()) { - if (GetBPP() == 1) { - return ((uint8_t)color == 0xff) ? 0 : 1; - } - return 0xff - (uint8_t)color; - } - if (GetBPP() == 1) { - return ((uint8_t)color == 0xff) ? 1 : 0; - } - return (uint8_t)color; - } - int palsize = (1 << GetBPP()); - for (int i = 0; i < palsize; i++) - if (m_pPalette.get()[i] == color) { - return i; - } - return -1; -} - void CFX_DIBitmap::Clear(uint32_t color) { if (!m_pBuffer) { return; @@ -354,44 +217,6 @@ void CFX_DIBitmap::Clear(uint32_t color) { } } -void CFX_DIBSource::GetOverlapRect(int& dest_left, - int& dest_top, - int& width, - int& height, - int src_width, - int src_height, - int& src_left, - int& src_top, - const CFX_ClipRgn* pClipRgn) { - if (width == 0 || height == 0) { - return; - } - ASSERT(width > 0 && height > 0); - if (dest_left > m_Width || dest_top > m_Height) { - width = 0; - height = 0; - return; - } - int x_offset = dest_left - src_left; - int y_offset = dest_top - src_top; - FX_RECT src_rect(src_left, src_top, src_left + width, src_top + height); - FX_RECT src_bound(0, 0, src_width, src_height); - src_rect.Intersect(src_bound); - FX_RECT dest_rect(src_rect.left + x_offset, src_rect.top + y_offset, - src_rect.right + x_offset, src_rect.bottom + y_offset); - FX_RECT dest_bound(0, 0, m_Width, m_Height); - dest_rect.Intersect(dest_bound); - if (pClipRgn) { - dest_rect.Intersect(pClipRgn->GetBox()); - } - dest_left = dest_rect.left; - dest_top = dest_rect.top; - src_left = dest_left - x_offset; - src_top = dest_top - y_offset; - width = dest_rect.right - dest_rect.left; - height = dest_rect.bottom - dest_rect.top; -} - bool CFX_DIBitmap::TransferBitmap( int dest_left, int dest_top, @@ -564,92 +389,6 @@ bool CFX_DIBitmap::TransferMask(int dest_left, return true; } -void CFX_DIBSource::SetPalette(const uint32_t* pSrc) { - static const uint32_t kPaletteSize = 256; - if (!pSrc || GetBPP() > 8) { - m_pPalette.reset(); - return; - } - uint32_t pal_size = 1 << GetBPP(); - if (!m_pPalette) - m_pPalette.reset(FX_Alloc(uint32_t, pal_size)); - pal_size = std::min(pal_size, kPaletteSize); - FXSYS_memcpy(m_pPalette.get(), pSrc, pal_size * sizeof(uint32_t)); -} - -void CFX_DIBSource::GetPalette(uint32_t* pal, int alpha) const { - ASSERT(GetBPP() <= 8 && !IsCmykImage()); - if (GetBPP() == 1) { - pal[0] = ((m_pPalette ? m_pPalette.get()[0] : 0xff000000) & 0xffffff) | - (alpha << 24); - pal[1] = ((m_pPalette ? m_pPalette.get()[1] : 0xffffffff) & 0xffffff) | - (alpha << 24); - return; - } - if (m_pPalette) { - for (int i = 0; i < 256; i++) { - pal[i] = (m_pPalette.get()[i] & 0x00ffffff) | (alpha << 24); - } - } else { - for (int i = 0; i < 256; i++) { - pal[i] = (i * 0x10101) | (alpha << 24); - } - } -} - -CFX_RetainPtr<CFX_DIBitmap> CFX_DIBSource::CloneAlphaMask( - const FX_RECT* pClip) const { - ASSERT(GetFormat() == FXDIB_Argb); - FX_RECT rect(0, 0, m_Width, m_Height); - if (pClip) { - rect.Intersect(*pClip); - if (rect.IsEmpty()) - return nullptr; - } - auto pMask = pdfium::MakeRetain<CFX_DIBitmap>(); - if (!pMask->Create(rect.Width(), rect.Height(), FXDIB_8bppMask)) - return nullptr; - - for (int row = rect.top; row < rect.bottom; row++) { - const uint8_t* src_scan = GetScanline(row) + rect.left * 4 + 3; - uint8_t* dest_scan = - const_cast<uint8_t*>(pMask->GetScanline(row - rect.top)); - for (int col = rect.left; col < rect.right; col++) { - *dest_scan++ = *src_scan; - src_scan += 4; - } - } - return pMask; -} - -bool CFX_DIBSource::SetAlphaMask(const CFX_RetainPtr<CFX_DIBSource>& pAlphaMask, - const FX_RECT* pClip) { - if (!HasAlpha() || GetFormat() == FXDIB_Argb) - return false; - - if (!pAlphaMask) { - m_pAlphaMask->Clear(0xff000000); - return true; - } - FX_RECT rect(0, 0, pAlphaMask->m_Width, pAlphaMask->m_Height); - if (pClip) { - rect.Intersect(*pClip); - if (rect.IsEmpty() || rect.Width() != m_Width || - rect.Height() != m_Height) { - return false; - } - } else { - if (pAlphaMask->m_Width != m_Width || pAlphaMask->m_Height != m_Height) - return false; - } - for (int row = 0; row < m_Height; row++) { - FXSYS_memcpy(const_cast<uint8_t*>(m_pAlphaMask->GetScanline(row)), - pAlphaMask->GetScanline(row + rect.top) + rect.left, - m_pAlphaMask->m_Pitch); - } - return true; -} - const int g_ChannelOffset[] = {0, 2, 1, 0, 0, 1, 2, 3, 3}; bool CFX_DIBitmap::LoadChannel(FXDIB_Channel destChannel, const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap, @@ -1326,78 +1065,6 @@ bool CFX_DIBitmap::ConvertColorScale(uint32_t forecolor, uint32_t backcolor) { return true; } -CFX_RetainPtr<CFX_DIBitmap> CFX_DIBSource::FlipImage(bool bXFlip, - bool bYFlip) const { - auto pFlipped = pdfium::MakeRetain<CFX_DIBitmap>(); - if (!pFlipped->Create(m_Width, m_Height, GetFormat())) - return nullptr; - - pFlipped->SetPalette(m_pPalette.get()); - uint8_t* pDestBuffer = pFlipped->GetBuffer(); - int Bpp = m_bpp / 8; - for (int row = 0; row < m_Height; row++) { - const uint8_t* src_scan = GetScanline(row); - uint8_t* dest_scan = - pDestBuffer + m_Pitch * (bYFlip ? (m_Height - row - 1) : row); - if (!bXFlip) { - FXSYS_memcpy(dest_scan, src_scan, m_Pitch); - continue; - } - if (m_bpp == 1) { - FXSYS_memset(dest_scan, 0, m_Pitch); - for (int col = 0; col < m_Width; col++) - if (src_scan[col / 8] & (1 << (7 - col % 8))) { - int dest_col = m_Width - col - 1; - dest_scan[dest_col / 8] |= (1 << (7 - dest_col % 8)); - } - } else { - dest_scan += (m_Width - 1) * Bpp; - if (Bpp == 1) { - for (int col = 0; col < m_Width; col++) { - *dest_scan = *src_scan; - dest_scan--; - src_scan++; - } - } else if (Bpp == 3) { - for (int col = 0; col < m_Width; col++) { - dest_scan[0] = src_scan[0]; - dest_scan[1] = src_scan[1]; - dest_scan[2] = src_scan[2]; - dest_scan -= 3; - src_scan += 3; - } - } else { - ASSERT(Bpp == 4); - for (int col = 0; col < m_Width; col++) { - *(uint32_t*)dest_scan = *(uint32_t*)src_scan; - dest_scan -= 4; - src_scan += 4; - } - } - } - } - if (m_pAlphaMask) { - pDestBuffer = pFlipped->m_pAlphaMask->GetBuffer(); - uint32_t dest_pitch = pFlipped->m_pAlphaMask->GetPitch(); - for (int row = 0; row < m_Height; row++) { - const uint8_t* src_scan = m_pAlphaMask->GetScanline(row); - uint8_t* dest_scan = - pDestBuffer + dest_pitch * (bYFlip ? (m_Height - row - 1) : row); - if (!bXFlip) { - FXSYS_memcpy(dest_scan, src_scan, dest_pitch); - continue; - } - dest_scan += (m_Width - 1); - for (int col = 0; col < m_Width; col++) { - *dest_scan = *src_scan; - dest_scan--; - src_scan++; - } - } - } - return pFlipped; -} - CFX_DIBExtractor::CFX_DIBExtractor(const CFX_RetainPtr<CFX_DIBSource>& pSrc) { if (pSrc->GetBuffer()) { CFX_RetainPtr<CFX_DIBSource> pOldSrc(pSrc); |