diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp')
| -rw-r--r-- | core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp | 2097 |
1 files changed, 1094 insertions, 1003 deletions
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp index fa9325a4d2..987ffd88d4 100644 --- a/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp +++ b/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp @@ -13,1069 +13,1160 @@ #include "../fpdf_page/pageint.h" #include "render_int.h" -FX_BOOL CPDF_RenderStatus::ProcessImage(CPDF_ImageObject* pImageObj, const CFX_AffineMatrix* pObj2Device) -{ - CPDF_ImageRenderer render; - if (render.Start(this, pImageObj, pObj2Device, m_bStdCS, m_curBlend)) { - render.Continue(NULL); - } - return render.m_Result; +FX_BOOL CPDF_RenderStatus::ProcessImage(CPDF_ImageObject* pImageObj, + const CFX_AffineMatrix* pObj2Device) { + CPDF_ImageRenderer render; + if (render.Start(this, pImageObj, pObj2Device, m_bStdCS, m_curBlend)) { + render.Continue(NULL); + } + return render.m_Result; } -void CPDF_RenderStatus::CompositeDIBitmap(CFX_DIBitmap* pDIBitmap, int left, int top, FX_ARGB mask_argb, - int bitmap_alpha, int blend_mode, int Transparency) -{ - if (pDIBitmap == NULL) { +void CPDF_RenderStatus::CompositeDIBitmap(CFX_DIBitmap* pDIBitmap, + int left, + int top, + FX_ARGB mask_argb, + int bitmap_alpha, + int blend_mode, + int Transparency) { + if (pDIBitmap == NULL) { + return; + } + FX_BOOL bIsolated = Transparency & PDFTRANS_ISOLATED; + FX_BOOL bGroup = Transparency & PDFTRANS_GROUP; + if (blend_mode == FXDIB_BLEND_NORMAL) { + if (!pDIBitmap->IsAlphaMask()) { + if (bitmap_alpha < 255) { + pDIBitmap->MultiplyAlpha(bitmap_alpha); + } + if (m_pDevice->SetDIBits(pDIBitmap, left, top)) { return; - } - FX_BOOL bIsolated = Transparency & PDFTRANS_ISOLATED; - FX_BOOL bGroup = Transparency & PDFTRANS_GROUP; - if (blend_mode == FXDIB_BLEND_NORMAL) { - if (!pDIBitmap->IsAlphaMask()) { - if (bitmap_alpha < 255) { - pDIBitmap->MultiplyAlpha(bitmap_alpha); - } - if (m_pDevice->SetDIBits(pDIBitmap, left, top)) { - return; - } - } else { - FX_DWORD fill_argb = m_Options.TranslateColor(mask_argb); - if (bitmap_alpha < 255) { - ((uint8_t*)&fill_argb)[3] = ((uint8_t*)&fill_argb)[3] * bitmap_alpha / 255; - } - if (m_pDevice->SetBitMask(pDIBitmap, left, top, fill_argb)) { - return; - } - } - } - FX_BOOL bBackAlphaRequired = blend_mode && bIsolated && !m_bDropObjects; - FX_BOOL bGetBackGround = ((m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT)) || - (!(m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT) && (m_pDevice->GetRenderCaps() - & FXRC_GET_BITS) && !bBackAlphaRequired); - if (bGetBackGround) { - if (bIsolated || !bGroup) { - if (pDIBitmap->IsAlphaMask()) { - return; - } - m_pDevice->SetDIBits(pDIBitmap, left, top, blend_mode); - } else { - FX_RECT rect(left, top, left + pDIBitmap->GetWidth(), top + pDIBitmap->GetHeight()); - rect.Intersect(m_pDevice->GetClipBox()); - CFX_DIBitmap* pClone = NULL; - FX_BOOL bClone = FALSE; - if (m_pDevice->GetBackDrop() && m_pDevice->GetBitmap()) { - bClone = TRUE; - pClone = m_pDevice->GetBackDrop()->Clone(&rect); - CFX_DIBitmap *pForeBitmap = m_pDevice->GetBitmap(); - pClone->CompositeBitmap(0, 0, pClone->GetWidth(), pClone->GetHeight(), pForeBitmap, rect.left, rect.top); - left = left >= 0 ? 0 : left; - top = top >= 0 ? 0 : top; - if (!pDIBitmap->IsAlphaMask()) - pClone->CompositeBitmap(0, 0, pClone->GetWidth(), pClone->GetHeight(), pDIBitmap, - left, top, blend_mode); - else - pClone->CompositeMask(0, 0, pClone->GetWidth(), pClone->GetHeight(), pDIBitmap, - mask_argb, left, top, blend_mode); - } else { - pClone = pDIBitmap; - } - if (m_pDevice->GetBackDrop()) { - m_pDevice->SetDIBits(pClone, rect.left, rect.top); - } else { - if (pDIBitmap->IsAlphaMask()) { - return; - } - m_pDevice->SetDIBits(pDIBitmap, rect.left, rect.top, blend_mode); - } - if (bClone) { - delete pClone; - } - } + } + } else { + FX_DWORD fill_argb = m_Options.TranslateColor(mask_argb); + if (bitmap_alpha < 255) { + ((uint8_t*)&fill_argb)[3] = + ((uint8_t*)&fill_argb)[3] * bitmap_alpha / 255; + } + if (m_pDevice->SetBitMask(pDIBitmap, left, top, fill_argb)) { return; - } - int back_left, back_top; - FX_RECT rect(left, top, left + pDIBitmap->GetWidth(), top + pDIBitmap->GetHeight()); - CFX_DIBitmap* pBackdrop = GetBackdrop(m_pCurObj, rect, back_left, back_top, blend_mode > FXDIB_BLEND_NORMAL && bIsolated); - if (!pBackdrop) { + } + } + } + FX_BOOL bBackAlphaRequired = blend_mode && bIsolated && !m_bDropObjects; + FX_BOOL bGetBackGround = + ((m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT)) || + (!(m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT) && + (m_pDevice->GetRenderCaps() & FXRC_GET_BITS) && !bBackAlphaRequired); + if (bGetBackGround) { + if (bIsolated || !bGroup) { + if (pDIBitmap->IsAlphaMask()) { return; - } - if (!pDIBitmap->IsAlphaMask()) - pBackdrop->CompositeBitmap(left - back_left, top - back_top, pDIBitmap->GetWidth(), pDIBitmap->GetHeight(), pDIBitmap, - 0, 0, blend_mode); - else - pBackdrop->CompositeMask(left - back_left, top - back_top, pDIBitmap->GetWidth(), pDIBitmap->GetHeight(), pDIBitmap, - mask_argb, 0, 0, blend_mode); - CFX_DIBitmap* pBackdrop1 = new CFX_DIBitmap; - pBackdrop1->Create(pBackdrop->GetWidth(), pBackdrop->GetHeight(), FXDIB_Rgb32); - pBackdrop1->Clear((FX_DWORD) - 1); - pBackdrop1->CompositeBitmap(0, 0, pBackdrop->GetWidth(), pBackdrop->GetHeight(), pBackdrop, 0, 0); - delete pBackdrop; - pBackdrop = pBackdrop1; - m_pDevice->SetDIBits(pBackdrop, back_left, back_top); - delete pBackdrop; + } + m_pDevice->SetDIBits(pDIBitmap, left, top, blend_mode); + } else { + FX_RECT rect(left, top, left + pDIBitmap->GetWidth(), + top + pDIBitmap->GetHeight()); + rect.Intersect(m_pDevice->GetClipBox()); + CFX_DIBitmap* pClone = NULL; + FX_BOOL bClone = FALSE; + if (m_pDevice->GetBackDrop() && m_pDevice->GetBitmap()) { + bClone = TRUE; + pClone = m_pDevice->GetBackDrop()->Clone(&rect); + CFX_DIBitmap* pForeBitmap = m_pDevice->GetBitmap(); + pClone->CompositeBitmap(0, 0, pClone->GetWidth(), pClone->GetHeight(), + pForeBitmap, rect.left, rect.top); + left = left >= 0 ? 0 : left; + top = top >= 0 ? 0 : top; + if (!pDIBitmap->IsAlphaMask()) + pClone->CompositeBitmap(0, 0, pClone->GetWidth(), pClone->GetHeight(), + pDIBitmap, left, top, blend_mode); + else + pClone->CompositeMask(0, 0, pClone->GetWidth(), pClone->GetHeight(), + pDIBitmap, mask_argb, left, top, blend_mode); + } else { + pClone = pDIBitmap; + } + if (m_pDevice->GetBackDrop()) { + m_pDevice->SetDIBits(pClone, rect.left, rect.top); + } else { + if (pDIBitmap->IsAlphaMask()) { + return; + } + m_pDevice->SetDIBits(pDIBitmap, rect.left, rect.top, blend_mode); + } + if (bClone) { + delete pClone; + } + } + return; + } + int back_left, back_top; + FX_RECT rect(left, top, left + pDIBitmap->GetWidth(), + top + pDIBitmap->GetHeight()); + CFX_DIBitmap* pBackdrop = + GetBackdrop(m_pCurObj, rect, back_left, back_top, + blend_mode > FXDIB_BLEND_NORMAL && bIsolated); + if (!pBackdrop) { + return; + } + if (!pDIBitmap->IsAlphaMask()) + pBackdrop->CompositeBitmap(left - back_left, top - back_top, + pDIBitmap->GetWidth(), pDIBitmap->GetHeight(), + pDIBitmap, 0, 0, blend_mode); + else + pBackdrop->CompositeMask(left - back_left, top - back_top, + pDIBitmap->GetWidth(), pDIBitmap->GetHeight(), + pDIBitmap, mask_argb, 0, 0, blend_mode); + CFX_DIBitmap* pBackdrop1 = new CFX_DIBitmap; + pBackdrop1->Create(pBackdrop->GetWidth(), pBackdrop->GetHeight(), + FXDIB_Rgb32); + pBackdrop1->Clear((FX_DWORD)-1); + pBackdrop1->CompositeBitmap(0, 0, pBackdrop->GetWidth(), + pBackdrop->GetHeight(), pBackdrop, 0, 0); + delete pBackdrop; + pBackdrop = pBackdrop1; + m_pDevice->SetDIBits(pBackdrop, back_left, back_top); + delete pBackdrop; } -FX_COLORREF CPDF_TransferFunc::TranslateColor(FX_COLORREF rgb) -{ - return FXSYS_RGB(m_Samples[FXSYS_GetRValue(rgb)], m_Samples[256 + FXSYS_GetGValue(rgb)], - m_Samples[512 + FXSYS_GetBValue(rgb)]); +FX_COLORREF CPDF_TransferFunc::TranslateColor(FX_COLORREF rgb) { + return FXSYS_RGB(m_Samples[FXSYS_GetRValue(rgb)], + m_Samples[256 + FXSYS_GetGValue(rgb)], + m_Samples[512 + FXSYS_GetBValue(rgb)]); } -CFX_DIBSource* CPDF_TransferFunc::TranslateImage(const CFX_DIBSource* pSrc, FX_BOOL bAutoDropSrc) -{ - CPDF_DIBTransferFunc* pDest = new CPDF_DIBTransferFunc(this); - pDest->LoadSrc(pSrc, bAutoDropSrc); - return pDest; +CFX_DIBSource* CPDF_TransferFunc::TranslateImage(const CFX_DIBSource* pSrc, + FX_BOOL bAutoDropSrc) { + CPDF_DIBTransferFunc* pDest = new CPDF_DIBTransferFunc(this); + pDest->LoadSrc(pSrc, bAutoDropSrc); + return pDest; } -FXDIB_Format CPDF_DIBTransferFunc::GetDestFormat() -{ - if (m_pSrc->IsAlphaMask()) { - return FXDIB_8bppMask; - } -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - return (m_pSrc->HasAlpha()) ? FXDIB_Argb : FXDIB_Rgb32; +FXDIB_Format CPDF_DIBTransferFunc::GetDestFormat() { + if (m_pSrc->IsAlphaMask()) { + return FXDIB_8bppMask; + } +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + return (m_pSrc->HasAlpha()) ? FXDIB_Argb : FXDIB_Rgb32; #else - return (m_pSrc->HasAlpha()) ? FXDIB_Argb : FXDIB_Rgb; + return (m_pSrc->HasAlpha()) ? FXDIB_Argb : FXDIB_Rgb; #endif } -CPDF_DIBTransferFunc::CPDF_DIBTransferFunc(const CPDF_TransferFunc* pTransferFunc) -{ - m_RampR = pTransferFunc->m_Samples; - m_RampG = &pTransferFunc->m_Samples[256]; - m_RampB = &pTransferFunc->m_Samples[512]; +CPDF_DIBTransferFunc::CPDF_DIBTransferFunc( + const CPDF_TransferFunc* pTransferFunc) { + m_RampR = pTransferFunc->m_Samples; + m_RampG = &pTransferFunc->m_Samples[256]; + m_RampB = &pTransferFunc->m_Samples[512]; } -void CPDF_DIBTransferFunc::TranslateScanline(uint8_t* dest_buf, const uint8_t* src_buf) const -{ - int i; - FX_BOOL bSkip = FALSE; - switch (m_pSrc->GetFormat()) { - case FXDIB_1bppRgb: { - int r0 = m_RampR[0], g0 = m_RampG[0], b0 = m_RampB[0]; - int r1 = m_RampR[255], g1 = m_RampG[255], b1 = m_RampB[255]; - for (i = 0; i < m_Width; i ++) { - if (src_buf[i / 8] & (1 << (7 - i % 8))) { - *dest_buf++ = b1; - *dest_buf++ = g1; - *dest_buf++ = r1; - } else { - *dest_buf++ = b0; - *dest_buf++ = g0; - *dest_buf++ = r0; - } -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - dest_buf++; -#endif - } - break; - } - case FXDIB_1bppMask: { - int m0 = m_RampR[0], m1 = m_RampR[255]; - for (i = 0; i < m_Width; i ++) { - if (src_buf[i / 8] & (1 << (7 - i % 8))) { - *dest_buf++ = m1; - } else { - *dest_buf++ = m0; - } - } - break; - } - case FXDIB_8bppRgb: { - FX_ARGB* pPal = m_pSrc->GetPalette(); - for (i = 0; i < m_Width; i ++) { - if (pPal) { - FX_ARGB src_argb = pPal[*src_buf]; - *dest_buf++ = m_RampB[FXARGB_R(src_argb)]; - *dest_buf++ = m_RampG[FXARGB_G(src_argb)]; - *dest_buf++ = m_RampR[FXARGB_B(src_argb)]; - } else { - FX_DWORD src_byte = *src_buf; - *dest_buf++ = m_RampB[src_byte]; - *dest_buf++ = m_RampG[src_byte]; - *dest_buf++ = m_RampR[src_byte]; - } - src_buf ++; -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - dest_buf++; +void CPDF_DIBTransferFunc::TranslateScanline(uint8_t* dest_buf, + const uint8_t* src_buf) const { + int i; + FX_BOOL bSkip = FALSE; + switch (m_pSrc->GetFormat()) { + case FXDIB_1bppRgb: { + int r0 = m_RampR[0], g0 = m_RampG[0], b0 = m_RampB[0]; + int r1 = m_RampR[255], g1 = m_RampG[255], b1 = m_RampB[255]; + for (i = 0; i < m_Width; i++) { + if (src_buf[i / 8] & (1 << (7 - i % 8))) { + *dest_buf++ = b1; + *dest_buf++ = g1; + *dest_buf++ = r1; + } else { + *dest_buf++ = b0; + *dest_buf++ = g0; + *dest_buf++ = r0; + } +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + dest_buf++; #endif - } - break; - } - case FXDIB_8bppMask: - for (i = 0; i < m_Width; i ++) { - *dest_buf++ = m_RampR[*(src_buf++)]; - } - break; - case FXDIB_Rgb: - for (i = 0; i < m_Width; i ++) { - *dest_buf++ = m_RampB[*(src_buf++)]; - *dest_buf++ = m_RampG[*(src_buf++)]; - *dest_buf++ = m_RampR[*(src_buf++)]; -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - dest_buf++; + } + break; + } + case FXDIB_1bppMask: { + int m0 = m_RampR[0], m1 = m_RampR[255]; + for (i = 0; i < m_Width; i++) { + if (src_buf[i / 8] & (1 << (7 - i % 8))) { + *dest_buf++ = m1; + } else { + *dest_buf++ = m0; + } + } + break; + } + case FXDIB_8bppRgb: { + FX_ARGB* pPal = m_pSrc->GetPalette(); + for (i = 0; i < m_Width; i++) { + if (pPal) { + FX_ARGB src_argb = pPal[*src_buf]; + *dest_buf++ = m_RampB[FXARGB_R(src_argb)]; + *dest_buf++ = m_RampG[FXARGB_G(src_argb)]; + *dest_buf++ = m_RampR[FXARGB_B(src_argb)]; + } else { + FX_DWORD src_byte = *src_buf; + *dest_buf++ = m_RampB[src_byte]; + *dest_buf++ = m_RampG[src_byte]; + *dest_buf++ = m_RampR[src_byte]; + } + src_buf++; +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + dest_buf++; #endif - } - break; - case FXDIB_Rgb32: - bSkip = TRUE; - case FXDIB_Argb: - for (i = 0; i < m_Width; i ++) { - *dest_buf++ = m_RampB[*(src_buf++)]; - *dest_buf++ = m_RampG[*(src_buf++)]; - *dest_buf++ = m_RampR[*(src_buf++)]; - if (!bSkip) { - *dest_buf++ = *src_buf; - } -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - else { - dest_buf++; - } + } + break; + } + case FXDIB_8bppMask: + for (i = 0; i < m_Width; i++) { + *dest_buf++ = m_RampR[*(src_buf++)]; + } + break; + case FXDIB_Rgb: + for (i = 0; i < m_Width; i++) { + *dest_buf++ = m_RampB[*(src_buf++)]; + *dest_buf++ = m_RampG[*(src_buf++)]; + *dest_buf++ = m_RampR[*(src_buf++)]; +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + dest_buf++; #endif - src_buf ++; - } - break; - default: - break; - } -} -void CPDF_DIBTransferFunc::TranslateDownSamples(uint8_t* dest_buf, const uint8_t* src_buf, int pixels, int Bpp) const -{ - if (Bpp == 8) { - for (int i = 0; i < pixels; i ++) { - *dest_buf++ = m_RampR[*(src_buf++)]; + } + break; + case FXDIB_Rgb32: + bSkip = TRUE; + case FXDIB_Argb: + for (i = 0; i < m_Width; i++) { + *dest_buf++ = m_RampB[*(src_buf++)]; + *dest_buf++ = m_RampG[*(src_buf++)]; + *dest_buf++ = m_RampR[*(src_buf++)]; + if (!bSkip) { + *dest_buf++ = *src_buf; } - } else if (Bpp == 24) { - for (int i = 0; i < pixels; i ++) { - *dest_buf++ = m_RampB[*(src_buf++)]; - *dest_buf++ = m_RampG[*(src_buf++)]; - *dest_buf++ = m_RampR[*(src_buf++)]; +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + else { + dest_buf++; } - } else { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if (!m_pSrc->HasAlpha()) { - for (int i = 0; i < pixels; i ++) { - *dest_buf++ = m_RampB[*(src_buf++)]; - *dest_buf++ = m_RampG[*(src_buf++)]; - *dest_buf++ = m_RampR[*(src_buf++)]; - dest_buf++; - src_buf++; - } - } else #endif - for (int i = 0; i < pixels; i ++) { - *dest_buf++ = m_RampB[*(src_buf++)]; - *dest_buf++ = m_RampG[*(src_buf++)]; - *dest_buf++ = m_RampR[*(src_buf++)]; - *dest_buf++ = *(src_buf++); - } - } + src_buf++; + } + break; + default: + break; + } } -static FX_BOOL _IsSupported(CPDF_ColorSpace* pCS) -{ - if (pCS->GetFamily() == PDFCS_DEVICERGB || pCS->GetFamily() == PDFCS_DEVICEGRAY || - pCS->GetFamily() == PDFCS_DEVICECMYK || pCS->GetFamily() == PDFCS_CALGRAY || - pCS->GetFamily() == PDFCS_CALRGB) { - return TRUE; - } - if (pCS->GetFamily() == PDFCS_INDEXED && _IsSupported(pCS->GetBaseCS())) { - return TRUE; - } - return FALSE; +void CPDF_DIBTransferFunc::TranslateDownSamples(uint8_t* dest_buf, + const uint8_t* src_buf, + int pixels, + int Bpp) const { + if (Bpp == 8) { + for (int i = 0; i < pixels; i++) { + *dest_buf++ = m_RampR[*(src_buf++)]; + } + } else if (Bpp == 24) { + for (int i = 0; i < pixels; i++) { + *dest_buf++ = m_RampB[*(src_buf++)]; + *dest_buf++ = m_RampG[*(src_buf++)]; + *dest_buf++ = m_RampR[*(src_buf++)]; + } + } else { +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + if (!m_pSrc->HasAlpha()) { + for (int i = 0; i < pixels; i++) { + *dest_buf++ = m_RampB[*(src_buf++)]; + *dest_buf++ = m_RampG[*(src_buf++)]; + *dest_buf++ = m_RampR[*(src_buf++)]; + dest_buf++; + src_buf++; + } + } else +#endif + for (int i = 0; i < pixels; i++) { + *dest_buf++ = m_RampB[*(src_buf++)]; + *dest_buf++ = m_RampG[*(src_buf++)]; + *dest_buf++ = m_RampR[*(src_buf++)]; + *dest_buf++ = *(src_buf++); + } + } } -CPDF_ImageRenderer::CPDF_ImageRenderer() -{ - m_pRenderStatus = NULL; - m_pImageObject = NULL; - m_Result = TRUE; - m_Status = 0; - m_pQuickStretcher = NULL; - m_pTransformer = NULL; - m_DeviceHandle = NULL; - m_LoadHandle = NULL; - m_pClone = NULL; - m_bStdCS = FALSE; - m_bPatternColor = FALSE; - m_BlendType = FXDIB_BLEND_NORMAL; - m_pPattern = NULL; - m_pObj2Device = NULL; +static FX_BOOL _IsSupported(CPDF_ColorSpace* pCS) { + if (pCS->GetFamily() == PDFCS_DEVICERGB || + pCS->GetFamily() == PDFCS_DEVICEGRAY || + pCS->GetFamily() == PDFCS_DEVICECMYK || + pCS->GetFamily() == PDFCS_CALGRAY || pCS->GetFamily() == PDFCS_CALRGB) { + return TRUE; + } + if (pCS->GetFamily() == PDFCS_INDEXED && _IsSupported(pCS->GetBaseCS())) { + return TRUE; + } + return FALSE; } -CPDF_ImageRenderer::~CPDF_ImageRenderer() -{ - delete m_pQuickStretcher; - delete m_pTransformer; - if (m_DeviceHandle) { - m_pRenderStatus->m_pDevice->CancelDIBits(m_DeviceHandle); - } - delete (CPDF_ProgressiveImageLoaderHandle*)m_LoadHandle; - delete m_pClone; +CPDF_ImageRenderer::CPDF_ImageRenderer() { + m_pRenderStatus = NULL; + m_pImageObject = NULL; + m_Result = TRUE; + m_Status = 0; + m_pQuickStretcher = NULL; + m_pTransformer = NULL; + m_DeviceHandle = NULL; + m_LoadHandle = NULL; + m_pClone = NULL; + m_bStdCS = FALSE; + m_bPatternColor = FALSE; + m_BlendType = FXDIB_BLEND_NORMAL; + m_pPattern = NULL; + m_pObj2Device = NULL; } -FX_BOOL CPDF_ImageRenderer::StartLoadDIBSource() -{ - CFX_FloatRect image_rect_f = m_ImageMatrix.GetUnitRect(); - FX_RECT image_rect = image_rect_f.GetOutterRect(); - int dest_width = image_rect.Width(); - int dest_height = image_rect.Height(); - if (m_ImageMatrix.a < 0) { - dest_width = -dest_width; - } - if (m_ImageMatrix.d > 0) { - dest_height = -dest_height; - } - if (m_Loader.StartLoadImage(m_pImageObject, m_pRenderStatus->m_pContext->m_pPageCache, m_LoadHandle, m_bStdCS, - m_pRenderStatus->m_GroupFamily, m_pRenderStatus->m_bLoadMask, m_pRenderStatus, dest_width, dest_height)) { - if (m_LoadHandle != NULL) { - m_Status = 4; - return TRUE; - } - return FALSE; +CPDF_ImageRenderer::~CPDF_ImageRenderer() { + delete m_pQuickStretcher; + delete m_pTransformer; + if (m_DeviceHandle) { + m_pRenderStatus->m_pDevice->CancelDIBits(m_DeviceHandle); + } + delete (CPDF_ProgressiveImageLoaderHandle*)m_LoadHandle; + delete m_pClone; +} +FX_BOOL CPDF_ImageRenderer::StartLoadDIBSource() { + CFX_FloatRect image_rect_f = m_ImageMatrix.GetUnitRect(); + FX_RECT image_rect = image_rect_f.GetOutterRect(); + int dest_width = image_rect.Width(); + int dest_height = image_rect.Height(); + if (m_ImageMatrix.a < 0) { + dest_width = -dest_width; + } + if (m_ImageMatrix.d > 0) { + dest_height = -dest_height; + } + if (m_Loader.StartLoadImage( + m_pImageObject, m_pRenderStatus->m_pContext->m_pPageCache, + m_LoadHandle, m_bStdCS, m_pRenderStatus->m_GroupFamily, + m_pRenderStatus->m_bLoadMask, m_pRenderStatus, dest_width, + dest_height)) { + if (m_LoadHandle != NULL) { + m_Status = 4; + return TRUE; } return FALSE; + } + return FALSE; } -FX_BOOL CPDF_ImageRenderer::StartRenderDIBSource() -{ - if (m_Loader.m_pBitmap == NULL) { - return FALSE; - } - m_BitmapAlpha = 255; - const CPDF_GeneralStateData* pGeneralState = m_pImageObject->m_GeneralState; - if (pGeneralState) { - m_BitmapAlpha = FXSYS_round(pGeneralState->m_FillAlpha * 255); - } - m_pDIBSource = m_Loader.m_pBitmap; - if (m_pRenderStatus->m_Options.m_ColorMode == RENDER_COLOR_ALPHA && m_Loader.m_pMask == NULL) { - return StartBitmapAlpha(); - } - if (pGeneralState && pGeneralState->m_pTR) { - if (!pGeneralState->m_pTransferFunc) { - ((CPDF_GeneralStateData*)pGeneralState)->m_pTransferFunc = m_pRenderStatus->GetTransferFunc(pGeneralState->m_pTR); - } - if (pGeneralState->m_pTransferFunc && !pGeneralState->m_pTransferFunc->m_bIdentity) { - m_pDIBSource = m_Loader.m_pBitmap = pGeneralState->m_pTransferFunc->TranslateImage(m_Loader.m_pBitmap, !m_Loader.m_bCached); - if (m_Loader.m_bCached && m_Loader.m_pMask) { - m_Loader.m_pMask = m_Loader.m_pMask->Clone(); - } - m_Loader.m_bCached = FALSE; - } - } - m_FillArgb = 0; - m_bPatternColor = FALSE; - m_pPattern = NULL; - if (m_pDIBSource->IsAlphaMask()) { - CPDF_Color* pColor = m_pImageObject->m_ColorState.GetFillColor(); - if (pColor && pColor->IsPattern()) { - m_pPattern = pColor->GetPattern(); - if (m_pPattern != NULL) { - m_bPatternColor = TRUE; - } - } - m_FillArgb = m_pRenderStatus->GetFillArgb(m_pImageObject); - } else if (m_pRenderStatus->m_Options.m_ColorMode == RENDER_COLOR_GRAY) { - m_pClone = m_pDIBSource->Clone(); - m_pClone->ConvertColorScale(m_pRenderStatus->m_Options.m_BackColor, m_pRenderStatus->m_Options.m_ForeColor); - m_pDIBSource = m_pClone; - } - m_Flags = 0; - if (m_pRenderStatus->m_Options.m_Flags & RENDER_FORCE_DOWNSAMPLE) { - m_Flags |= RENDER_FORCE_DOWNSAMPLE; - } else if (m_pRenderStatus->m_Options.m_Flags & RENDER_FORCE_HALFTONE) { - m_Flags |= RENDER_FORCE_HALFTONE; - } - if (m_pRenderStatus->m_pDevice->GetDeviceClass() != FXDC_DISPLAY) { - CPDF_Object* pFilters = m_pImageObject->m_pImage->GetStream()->GetDict()->GetElementValue(FX_BSTRC("Filter")); - if (pFilters) { - if (pFilters->GetType() == PDFOBJ_NAME) { - CFX_ByteStringC bsDecodeType = pFilters->GetConstString(); - if (bsDecodeType == FX_BSTRC("DCTDecode") || bsDecodeType == FX_BSTRC("JPXDecode")) { - m_Flags |= FXRENDER_IMAGE_LOSSY; - } - } else if (pFilters->GetType() == PDFOBJ_ARRAY) { - CPDF_Array* pArray = (CPDF_Array*)pFilters; - for (FX_DWORD i = 0; i < pArray->GetCount(); i ++) { - CFX_ByteStringC bsDecodeType = pArray->GetConstString(i); - if (bsDecodeType == FX_BSTRC("DCTDecode") || bsDecodeType == FX_BSTRC("JPXDecode")) { - m_Flags |= FXRENDER_IMAGE_LOSSY; - break; - } - } - } - } - } - if (m_pRenderStatus->m_Options.m_Flags & RENDER_NOIMAGESMOOTH) { - m_Flags |= FXDIB_NOSMOOTH; - } else if (m_pImageObject->m_pImage->IsInterpol()) { - m_Flags |= FXDIB_INTERPOL; - } - if (m_Loader.m_pMask) { - return DrawMaskedImage(); - } - if (m_bPatternColor) { - return DrawPatternImage(m_pObj2Device); - } - if (m_BitmapAlpha == 255 && pGeneralState && pGeneralState->m_FillOP && - pGeneralState->m_OPMode == 0 && pGeneralState->m_BlendType == FXDIB_BLEND_NORMAL && pGeneralState->m_StrokeAlpha == 1 && pGeneralState->m_FillAlpha == 1) { - CPDF_Document* pDocument = NULL; - CPDF_Page* pPage = NULL; - if (m_pRenderStatus->m_pContext->m_pPageCache) { - pPage = m_pRenderStatus->m_pContext->m_pPageCache->GetPage(); - pDocument = pPage->m_pDocument; - } else { - pDocument = m_pImageObject->m_pImage->GetDocument(); +FX_BOOL CPDF_ImageRenderer::StartRenderDIBSource() { + if (m_Loader.m_pBitmap == NULL) { + return FALSE; + } + m_BitmapAlpha = 255; + const CPDF_GeneralStateData* pGeneralState = m_pImageObject->m_GeneralState; + if (pGeneralState) { + m_BitmapAlpha = FXSYS_round(pGeneralState->m_FillAlpha * 255); + } + m_pDIBSource = m_Loader.m_pBitmap; + if (m_pRenderStatus->m_Options.m_ColorMode == RENDER_COLOR_ALPHA && + m_Loader.m_pMask == NULL) { + return StartBitmapAlpha(); + } + if (pGeneralState && pGeneralState->m_pTR) { + if (!pGeneralState->m_pTransferFunc) { + ((CPDF_GeneralStateData*)pGeneralState)->m_pTransferFunc = + m_pRenderStatus->GetTransferFunc(pGeneralState->m_pTR); + } + if (pGeneralState->m_pTransferFunc && + !pGeneralState->m_pTransferFunc->m_bIdentity) { + m_pDIBSource = m_Loader.m_pBitmap = + pGeneralState->m_pTransferFunc->TranslateImage(m_Loader.m_pBitmap, + !m_Loader.m_bCached); + if (m_Loader.m_bCached && m_Loader.m_pMask) { + m_Loader.m_pMask = m_Loader.m_pMask->Clone(); + } + m_Loader.m_bCached = FALSE; + } + } + m_FillArgb = 0; + m_bPatternColor = FALSE; + m_pPattern = NULL; + if (m_pDIBSource->IsAlphaMask()) { + CPDF_Color* pColor = m_pImageObject->m_ColorState.GetFillColor(); + if (pColor && pColor->IsPattern()) { + m_pPattern = pColor->GetPattern(); + if (m_pPattern != NULL) { + m_bPatternColor = TRUE; + } + } + m_FillArgb = m_pRenderStatus->GetFillArgb(m_pImageObject); + } else if (m_pRenderStatus->m_Options.m_ColorMode == RENDER_COLOR_GRAY) { + m_pClone = m_pDIBSource->Clone(); + m_pClone->ConvertColorScale(m_pRenderStatus->m_Options.m_BackColor, + m_pRenderStatus->m_Options.m_ForeColor); + m_pDIBSource = m_pClone; + } + m_Flags = 0; + if (m_pRenderStatus->m_Options.m_Flags & RENDER_FORCE_DOWNSAMPLE) { + m_Flags |= RENDER_FORCE_DOWNSAMPLE; + } else if (m_pRenderStatus->m_Options.m_Flags & RENDER_FORCE_HALFTONE) { + m_Flags |= RENDER_FORCE_HALFTONE; + } + if (m_pRenderStatus->m_pDevice->GetDeviceClass() != FXDC_DISPLAY) { + CPDF_Object* pFilters = + m_pImageObject->m_pImage->GetStream()->GetDict()->GetElementValue( + FX_BSTRC("Filter")); + if (pFilters) { + if (pFilters->GetType() == PDFOBJ_NAME) { + CFX_ByteStringC bsDecodeType = pFilters->GetConstString(); + if (bsDecodeType == FX_BSTRC("DCTDecode") || + bsDecodeType == FX_BSTRC("JPXDecode")) { + m_Flags |= FXRENDER_IMAGE_LOSSY; } - CPDF_Dictionary* pPageResources = pPage ? pPage->m_pPageResources : NULL; - CPDF_Object* pCSObj = m_pImageObject->m_pImage->GetStream()->GetDict()->GetElementValue(FX_BSTRC("ColorSpace")); - CPDF_ColorSpace* pColorSpace = pDocument->LoadColorSpace(pCSObj, pPageResources); - if (pColorSpace) { - int format = pColorSpace->GetFamily(); - if (format == PDFCS_DEVICECMYK || format == PDFCS_SEPARATION || format == PDFCS_DEVICEN) { - m_BlendType = FXDIB_BLEND_DARKEN; - } - pDocument->GetPageData()->ReleaseColorSpace(pCSObj); + } else if (pFilters->GetType() == PDFOBJ_ARRAY) { + CPDF_Array* pArray = (CPDF_Array*)pFilters; + for (FX_DWORD i = 0; i < pArray->GetCount(); i++) { + CFX_ByteStringC bsDecodeType = pArray->GetConstString(i); + if (bsDecodeType == FX_BSTRC("DCTDecode") || + bsDecodeType == FX_BSTRC("JPXDecode")) { + m_Flags |= FXRENDER_IMAGE_LOSSY; + break; + } } - } - return StartDIBSource(); + } + } + } + if (m_pRenderStatus->m_Options.m_Flags & RENDER_NOIMAGESMOOTH) { + m_Flags |= FXDIB_NOSMOOTH; + } else if (m_pImageObject->m_pImage->IsInterpol()) { + m_Flags |= FXDIB_INTERPOL; + } + if (m_Loader.m_pMask) { + return DrawMaskedImage(); + } + if (m_bPatternColor) { + return DrawPatternImage(m_pObj2Device); + } + if (m_BitmapAlpha == 255 && pGeneralState && pGeneralState->m_FillOP && + pGeneralState->m_OPMode == 0 && + pGeneralState->m_BlendType == FXDIB_BLEND_NORMAL && + pGeneralState->m_StrokeAlpha == 1 && pGeneralState->m_FillAlpha == 1) { + CPDF_Document* pDocument = NULL; + CPDF_Page* pPage = NULL; + if (m_pRenderStatus->m_pContext->m_pPageCache) { + pPage = m_pRenderStatus->m_pContext->m_pPageCache->GetPage(); + pDocument = pPage->m_pDocument; + } else { + pDocument = m_pImageObject->m_pImage->GetDocument(); + } + CPDF_Dictionary* pPageResources = pPage ? pPage->m_pPageResources : NULL; + CPDF_Object* pCSObj = + m_pImageObject->m_pImage->GetStream()->GetDict()->GetElementValue( + FX_BSTRC("ColorSpace")); + CPDF_ColorSpace* pColorSpace = + pDocument->LoadColorSpace(pCSObj, pPageResources); + if (pColorSpace) { + int format = pColorSpace->GetFamily(); + if (format == PDFCS_DEVICECMYK || format == PDFCS_SEPARATION || + format == PDFCS_DEVICEN) { + m_BlendType = FXDIB_BLEND_DARKEN; + } + pDocument->GetPageData()->ReleaseColorSpace(pCSObj); + } + } + return StartDIBSource(); } -FX_BOOL CPDF_ImageRenderer::Start(CPDF_RenderStatus* pStatus, const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStdCS, int blendType) -{ - m_pRenderStatus = pStatus; - m_bStdCS = bStdCS; - m_pImageObject = (CPDF_ImageObject*)pObj; - m_BlendType = blendType; - m_pObj2Device = pObj2Device; - CPDF_Dictionary* pOC = m_pImageObject->m_pImage->GetOC(); - if (pOC && m_pRenderStatus->m_Options.m_pOCContext && !m_pRenderStatus->m_Options.m_pOCContext->CheckOCGVisible(pOC)) { - return FALSE; - } - m_ImageMatrix = m_pImageObject->m_Matrix; - m_ImageMatrix.Concat(*pObj2Device); - if (StartLoadDIBSource()) { - return TRUE; - } - return StartRenderDIBSource(); +FX_BOOL CPDF_ImageRenderer::Start(CPDF_RenderStatus* pStatus, + const CPDF_PageObject* pObj, + const CFX_AffineMatrix* pObj2Device, + FX_BOOL bStdCS, + int blendType) { + m_pRenderStatus = pStatus; + m_bStdCS = bStdCS; + m_pImageObject = (CPDF_ImageObject*)pObj; + m_BlendType = blendType; + m_pObj2Device = pObj2Device; + CPDF_Dictionary* pOC = m_pImageObject->m_pImage->GetOC(); + if (pOC && m_pRenderStatus->m_Options.m_pOCContext && + !m_pRenderStatus->m_Options.m_pOCContext->CheckOCGVisible(pOC)) { + return FALSE; + } + m_ImageMatrix = m_pImageObject->m_Matrix; + m_ImageMatrix.Concat(*pObj2Device); + if (StartLoadDIBSource()) { + return TRUE; + } + return StartRenderDIBSource(); } -FX_BOOL CPDF_ImageRenderer::Start(CPDF_RenderStatus* pStatus, const CFX_DIBSource* pDIBSource, FX_ARGB bitmap_argb, - int bitmap_alpha, const CFX_AffineMatrix* pImage2Device, FX_DWORD flags, FX_BOOL bStdCS, int blendType) -{ - m_pRenderStatus = pStatus; - m_pDIBSource = pDIBSource; - m_FillArgb = bitmap_argb; - m_BitmapAlpha = bitmap_alpha; - m_ImageMatrix = *pImage2Device; - m_Flags = flags; - m_bStdCS = bStdCS; - m_BlendType = blendType; - return StartDIBSource(); +FX_BOOL CPDF_ImageRenderer::Start(CPDF_RenderStatus* pStatus, + const CFX_DIBSource* pDIBSource, + FX_ARGB bitmap_argb, + int bitmap_alpha, + const CFX_AffineMatrix* pImage2Device, + FX_DWORD flags, + FX_BOOL bStdCS, + int blendType) { + m_pRenderStatus = pStatus; + m_pDIBSource = pDIBSource; + m_FillArgb = bitmap_argb; + m_BitmapAlpha = bitmap_alpha; + m_ImageMatrix = *pImage2Device; + m_Flags = flags; + m_bStdCS = bStdCS; + m_BlendType = blendType; + return StartDIBSource(); } -FX_BOOL CPDF_ImageRenderer::DrawPatternImage(const CFX_Matrix* pObj2Device) -{ - if (m_pRenderStatus->m_bPrint && !(m_pRenderStatus->m_pDevice->GetRenderCaps() & FXRC_BLEND_MODE)) { - m_Result = FALSE; - return FALSE; - } - FX_RECT rect = m_ImageMatrix.GetUnitRect().GetOutterRect(); - rect.Intersect(m_pRenderStatus->m_pDevice->GetClipBox()); - if (rect.IsEmpty()) { - return FALSE; - } - CFX_AffineMatrix new_matrix = m_ImageMatrix; - new_matrix.TranslateI(-rect.left, -rect.top); - int width = rect.Width(); - int height = rect.Height(); - CFX_FxgeDevice bitmap_device1; - if (!bitmap_device1.Create(rect.Width(), rect.Height(), FXDIB_Rgb32)) { - return TRUE; - } - bitmap_device1.GetBitmap()->Clear(0xffffff); - { - CPDF_RenderStatus bitmap_render; - bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device1, NULL, NULL, - NULL, NULL, &m_pRenderStatus->m_Options, 0, m_pRenderStatus->m_bDropObjects, NULL, TRUE); - CFX_Matrix patternDevice = *pObj2Device; - patternDevice.Translate((FX_FLOAT) - rect.left, (FX_FLOAT) - rect.top); - if(m_pPattern->m_PatternType == PATTERN_TILING) { - bitmap_render.DrawTilingPattern((CPDF_TilingPattern*)m_pPattern, m_pImageObject, &patternDevice, FALSE); - } else { - bitmap_render.DrawShadingPattern((CPDF_ShadingPattern*)m_pPattern, m_pImageObject, &patternDevice, FALSE); - } - } - { - CFX_FxgeDevice bitmap_device2; - if (!bitmap_device2.Create(rect.Width(), rect.Height(), FXDIB_8bppRgb)) { - return TRUE; - } - bitmap_device2.GetBitmap()->Clear(0); - CPDF_RenderStatus bitmap_render; - bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device2, NULL, NULL, - NULL, NULL, NULL, 0, m_pRenderStatus->m_bDropObjects, NULL, TRUE); - CPDF_ImageRenderer image_render; - if (image_render.Start(&bitmap_render, m_pDIBSource, 0xffffffff, 255, &new_matrix, m_Flags, TRUE)) { - image_render.Continue(NULL); - } - if (m_Loader.m_MatteColor != 0xffffffff) { - int matte_r = FXARGB_R(m_Loader.m_MatteColor); - int matte_g = FXARGB_G(m_Loader.m_MatteColor); - int matte_b = FXARGB_B(m_Loader.m_MatteColor); - for (int row = 0; row < height; row ++) { - uint8_t* dest_scan = (uint8_t*)bitmap_device1.GetBitmap()->GetScanline(row); - const uint8_t* mask_scan = bitmap_device2.GetBitmap()->GetScanline(row); - for (int col = 0; col < width; col ++) { - int alpha = *mask_scan ++; - if (alpha) { - int orig = (*dest_scan - matte_b) * 255 / alpha + matte_b; - if (orig < 0) { - orig = 0; - } else if (orig > 255) { - orig = 255; - } - *dest_scan++ = orig; - orig = (*dest_scan - matte_g) * 255 / alpha + matte_g; - if (orig < 0) { - orig = 0; - } else if (orig > 255) { - orig = 255; - } - *dest_scan++ = orig; - orig = (*dest_scan - matte_r) * 255 / alpha + matte_r; - if (orig < 0) { - orig = 0; - } else if (orig > 255) { - orig = 255; - } - *dest_scan++ = orig; - dest_scan ++; - } else { - dest_scan += 4; - } - } - } - } - bitmap_device2.GetBitmap()->ConvertFormat(FXDIB_8bppMask); - bitmap_device1.GetBitmap()->MultiplyAlpha(bitmap_device2.GetBitmap()); - bitmap_device1.GetBitmap()->MultiplyAlpha(255); - } - m_pRenderStatus->m_pDevice->SetDIBits(bitmap_device1.GetBitmap(), rect.left, rect.top, m_BlendType); +FX_BOOL CPDF_ImageRenderer::DrawPatternImage(const CFX_Matrix* pObj2Device) { + if (m_pRenderStatus->m_bPrint && + !(m_pRenderStatus->m_pDevice->GetRenderCaps() & FXRC_BLEND_MODE)) { + m_Result = FALSE; return FALSE; -} -FX_BOOL CPDF_ImageRenderer::DrawMaskedImage() -{ - if (m_pRenderStatus->m_bPrint && !(m_pRenderStatus->m_pDevice->GetRenderCaps() & FXRC_BLEND_MODE)) { - m_Result = FALSE; - return FALSE; - } - FX_RECT rect = m_ImageMatrix.GetUnitRect().GetOutterRect(); - rect.Intersect(m_pRenderStatus->m_pDevice->GetClipBox()); - if (rect.IsEmpty()) { - return FALSE; - } - CFX_AffineMatrix new_matrix = m_ImageMatrix; - new_matrix.TranslateI(-rect.left, -rect.top); - int width = rect.Width(); - int height = rect.Height(); - CFX_FxgeDevice bitmap_device1; - if (!bitmap_device1.Create(width, height, FXDIB_Rgb32)) { - return TRUE; - } - bitmap_device1.GetBitmap()->Clear(0xffffff); - { - CPDF_RenderStatus bitmap_render; - bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device1, NULL, NULL, - NULL, NULL, NULL, 0, m_pRenderStatus->m_bDropObjects, NULL, TRUE); - CPDF_ImageRenderer image_render; - if (image_render.Start(&bitmap_render, m_pDIBSource, 0, 255, &new_matrix, m_Flags, TRUE)) { - image_render.Continue(NULL); - } - } - { - CFX_FxgeDevice bitmap_device2; - if (!bitmap_device2.Create(width, height, FXDIB_8bppRgb)) { - return TRUE; - } - bitmap_device2.GetBitmap()->Clear(0); - CPDF_RenderStatus bitmap_render; - bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device2, NULL, NULL, - NULL, NULL, NULL, 0, m_pRenderStatus->m_bDropObjects, NULL, TRUE); - CPDF_ImageRenderer image_render; - if (image_render.Start(&bitmap_render, m_Loader.m_pMask, 0xffffffff, 255, &new_matrix, m_Flags, TRUE)) { - image_render.Continue(NULL); - } - if (m_Loader.m_MatteColor != 0xffffffff) { - int matte_r = FXARGB_R(m_Loader.m_MatteColor); - int matte_g = FXARGB_G(m_Loader.m_MatteColor); - int matte_b = FXARGB_B(m_Loader.m_MatteColor); - for (int row = 0; row < height; row ++) { - uint8_t* dest_scan = (uint8_t*)bitmap_device1.GetBitmap()->GetScanline(row); - const uint8_t* mask_scan = bitmap_device2.GetBitmap()->GetScanline(row); - for (int col = 0; col < width; col ++) { - int alpha = *mask_scan ++; - if (alpha) { - int orig = (*dest_scan - matte_b) * 255 / alpha + matte_b; - if (orig < 0) { - orig = 0; - } else if (orig > 255) { - orig = 255; - } - *dest_scan++ = orig; - orig = (*dest_scan - matte_g) * 255 / alpha + matte_g; - if (orig < 0) { - orig = 0; - } else if (orig > 255) { - orig = 255; - } - *dest_scan++ = orig; - orig = (*dest_scan - matte_r) * 255 / alpha + matte_r; - if (orig < 0) { - orig = 0; - } else if (orig > 255) { - orig = 255; - } - *dest_scan++ = orig; - dest_scan ++; - } else { - dest_scan += 4; - } - } + } + FX_RECT rect = m_ImageMatrix.GetUnitRect().GetOutterRect(); + rect.Intersect(m_pRenderStatus->m_pDevice->GetClipBox()); + if (rect.IsEmpty()) { + return FALSE; + } + CFX_AffineMatrix new_matrix = m_ImageMatrix; + new_matrix.TranslateI(-rect.left, -rect.top); + int width = rect.Width(); + int height = rect.Height(); + CFX_FxgeDevice bitmap_device1; + if (!bitmap_device1.Create(rect.Width(), rect.Height(), FXDIB_Rgb32)) { + return TRUE; + } + bitmap_device1.GetBitmap()->Clear(0xffffff); + { + CPDF_RenderStatus bitmap_render; + bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device1, NULL, + NULL, NULL, NULL, &m_pRenderStatus->m_Options, 0, + m_pRenderStatus->m_bDropObjects, NULL, TRUE); + CFX_Matrix patternDevice = *pObj2Device; + patternDevice.Translate((FX_FLOAT)-rect.left, (FX_FLOAT)-rect.top); + if (m_pPattern->m_PatternType == PATTERN_TILING) { + bitmap_render.DrawTilingPattern((CPDF_TilingPattern*)m_pPattern, + m_pImageObject, &patternDevice, FALSE); + } else { + bitmap_render.DrawShadingPattern((CPDF_ShadingPattern*)m_pPattern, + m_pImageObject, &patternDevice, FALSE); + } + } + { + CFX_FxgeDevice bitmap_device2; + if (!bitmap_device2.Create(rect.Width(), rect.Height(), FXDIB_8bppRgb)) { + return TRUE; + } + bitmap_device2.GetBitmap()->Clear(0); + CPDF_RenderStatus bitmap_render; + bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device2, NULL, + NULL, NULL, NULL, NULL, 0, + m_pRenderStatus->m_bDropObjects, NULL, TRUE); + CPDF_ImageRenderer image_render; + if (image_render.Start(&bitmap_render, m_pDIBSource, 0xffffffff, 255, + &new_matrix, m_Flags, TRUE)) { + image_render.Continue(NULL); + } + if (m_Loader.m_MatteColor != 0xffffffff) { + int matte_r = FXARGB_R(m_Loader.m_MatteColor); + int matte_g = FXARGB_G(m_Loader.m_MatteColor); + int matte_b = FXARGB_B(m_Loader.m_MatteColor); + for (int row = 0; row < height; row++) { + uint8_t* dest_scan = + (uint8_t*)bitmap_device1.GetBitmap()->GetScanline(row); + const uint8_t* mask_scan = bitmap_device2.GetBitmap()->GetScanline(row); + for (int col = 0; col < width; col++) { + int alpha = *mask_scan++; + if (alpha) { + int orig = (*dest_scan - matte_b) * 255 / alpha + matte_b; + if (orig < 0) { + orig = 0; + } else if (orig > 255) { + orig = 255; } + *dest_scan++ = orig; + orig = (*dest_scan - matte_g) * 255 / alpha + matte_g; + if (orig < 0) { + orig = 0; + } else if (orig > 255) { + orig = 255; + } + *dest_scan++ = orig; + orig = (*dest_scan - matte_r) * 255 / alpha + matte_r; + if (orig < 0) { + orig = 0; + } else if (orig > 255) { + orig = 255; + } + *dest_scan++ = orig; + dest_scan++; + } else { + dest_scan += 4; + } } - bitmap_device2.GetBitmap()->ConvertFormat(FXDIB_8bppMask); - bitmap_device1.GetBitmap()->MultiplyAlpha(bitmap_device2.GetBitmap()); - if (m_BitmapAlpha < 255) { - bitmap_device1.GetBitmap()->MultiplyAlpha(m_BitmapAlpha); - } - } - m_pRenderStatus->m_pDevice->SetDIBits(bitmap_device1.GetBitmap(), rect.left, rect.top, m_BlendType); - return FALSE; + } + } + bitmap_device2.GetBitmap()->ConvertFormat(FXDIB_8bppMask); + bitmap_device1.GetBitmap()->MultiplyAlpha(bitmap_device2.GetBitmap()); + bitmap_device1.GetBitmap()->MultiplyAlpha(255); + } + m_pRenderStatus->m_pDevice->SetDIBits(bitmap_device1.GetBitmap(), rect.left, + rect.top, m_BlendType); + return FALSE; } -FX_BOOL CPDF_ImageRenderer::StartDIBSource() -{ - if (!(m_Flags & RENDER_FORCE_DOWNSAMPLE) && m_pDIBSource->GetBPP() > 1) { - int image_size = m_pDIBSource->GetBPP() / 8 * m_pDIBSource->GetWidth() * m_pDIBSource->GetHeight(); - if (image_size > FPDF_HUGE_IMAGE_SIZE && !(m_Flags & RENDER_FORCE_HALFTONE)) { - m_Flags |= RENDER_FORCE_DOWNSAMPLE; - } - } - if (m_pRenderStatus->m_pDevice->StartDIBits(m_pDIBSource, m_BitmapAlpha, m_FillArgb, - &m_ImageMatrix, m_Flags, m_DeviceHandle, 0, NULL, m_BlendType)) { - if (m_DeviceHandle != NULL) { - m_Status = 3; - return TRUE; - } - return FALSE; - } - CFX_FloatRect image_rect_f = m_ImageMatrix.GetUnitRect(); - FX_RECT image_rect = image_rect_f.GetOutterRect(); - int dest_width = image_rect.Width(); - int dest_height = image_rect.Height(); - if ((FXSYS_fabs(m_ImageMatrix.b) >= 0.5f || m_ImageMatrix.a == 0) || - (FXSYS_fabs(m_ImageMatrix.c) >= 0.5f || m_ImageMatrix.d == 0) ) { - if (m_pRenderStatus->m_bPrint && !(m_pRenderStatus->m_pDevice->GetRenderCaps() & FXRC_BLEND_MODE)) { - m_Result = FALSE; - return FALSE; +FX_BOOL CPDF_ImageRenderer::DrawMaskedImage() { + if (m_pRenderStatus->m_bPrint && + !(m_pRenderStatus->m_pDevice->GetRenderCaps() & FXRC_BLEND_MODE)) { + m_Result = FALSE; + return FALSE; + } + FX_RECT rect = m_ImageMatrix.GetUnitRect().GetOutterRect(); + rect.Intersect(m_pRenderStatus->m_pDevice->GetClipBox()); + if (rect.IsEmpty()) { + return FALSE; + } + CFX_AffineMatrix new_matrix = m_ImageMatrix; + new_matrix.TranslateI(-rect.left, -rect.top); + int width = rect.Width(); + int height = rect.Height(); + CFX_FxgeDevice bitmap_device1; + if (!bitmap_device1.Create(width, height, FXDIB_Rgb32)) { + return TRUE; + } + bitmap_device1.GetBitmap()->Clear(0xffffff); + { + CPDF_RenderStatus bitmap_render; + bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device1, NULL, + NULL, NULL, NULL, NULL, 0, + m_pRenderStatus->m_bDropObjects, NULL, TRUE); + CPDF_ImageRenderer image_render; + if (image_render.Start(&bitmap_render, m_pDIBSource, 0, 255, &new_matrix, + m_Flags, TRUE)) { + image_render.Continue(NULL); + } + } + { + CFX_FxgeDevice bitmap_device2; + if (!bitmap_device2.Create(width, height, FXDIB_8bppRgb)) { + return TRUE; + } + bitmap_device2.GetBitmap()->Clear(0); + CPDF_RenderStatus bitmap_render; + bitmap_render.Initialize(m_pRenderStatus->m_pContext, &bitmap_device2, NULL, + NULL, NULL, NULL, NULL, 0, + m_pRenderStatus->m_bDropObjects, NULL, TRUE); + CPDF_ImageRenderer image_render; + if (image_render.Start(&bitmap_render, m_Loader.m_pMask, 0xffffffff, 255, + &new_matrix, m_Flags, TRUE)) { + image_render.Continue(NULL); + } + if (m_Loader.m_MatteColor != 0xffffffff) { + int matte_r = FXARGB_R(m_Loader.m_MatteColor); + int matte_g = FXARGB_G(m_Loader.m_MatteColor); + int matte_b = FXARGB_B(m_Loader.m_MatteColor); + for (int row = 0; row < height; row++) { + uint8_t* dest_scan = + (uint8_t*)bitmap_device1.GetBitmap()->GetScanline(row); + const uint8_t* mask_scan = bitmap_device2.GetBitmap()->GetScanline(row); + for (int col = 0; col < width; col++) { + int alpha = *mask_scan++; + if (alpha) { + int orig = (*dest_scan - matte_b) * 255 / alpha + matte_b; + if (orig < 0) { + orig = 0; + } else if (orig > 255) { + orig = 255; + } + *dest_scan++ = orig; + orig = (*dest_scan - matte_g) * 255 / alpha + matte_g; + if (orig < 0) { + orig = 0; + } else if (orig > 255) { + orig = 255; + } + *dest_scan++ = orig; + orig = (*dest_scan - matte_r) * 255 / alpha + matte_r; + if (orig < 0) { + orig = 0; + } else if (orig > 255) { + orig = 255; + } + *dest_scan++ = orig; + dest_scan++; + } else { + dest_scan += 4; + } } - FX_RECT clip_box = m_pRenderStatus->m_pDevice->GetClipBox(); - clip_box.Intersect(image_rect); - m_Status = 2; - m_pTransformer = new CFX_ImageTransformer; - m_pTransformer->Start(m_pDIBSource, &m_ImageMatrix, m_Flags, &clip_box); - return TRUE; - } - if (m_ImageMatrix.a < 0) { - dest_width = -dest_width; + } } - if (m_ImageMatrix.d > 0) { - dest_height = -dest_height; + bitmap_device2.GetBitmap()->ConvertFormat(FXDIB_8bppMask); + bitmap_device1.GetBitmap()->MultiplyAlpha(bitmap_device2.GetBitmap()); + if (m_BitmapAlpha < 255) { + bitmap_device1.GetBitmap()->MultiplyAlpha(m_BitmapAlpha); } - int dest_left, dest_top; - dest_left = dest_width > 0 ? image_rect.left : image_rect.right; - dest_top = dest_height > 0 ? image_rect.top : image_rect.bottom; - if (m_pDIBSource->IsOpaqueImage() && m_BitmapAlpha == 255) { - if (m_pRenderStatus->m_pDevice->StretchDIBits(m_pDIBSource, dest_left, dest_top, - dest_width, dest_height, m_Flags, NULL, m_BlendType)) { - return FALSE; - } - } - if (m_pDIBSource->IsAlphaMask()) { - if (m_BitmapAlpha != 255) { - m_FillArgb = FXARGB_MUL_ALPHA(m_FillArgb, m_BitmapAlpha); - } - if (m_pRenderStatus->m_pDevice->StretchBitMask(m_pDIBSource, dest_left, dest_top, dest_width, dest_height, m_FillArgb, m_Flags)) { - return FALSE; - } + } + m_pRenderStatus->m_pDevice->SetDIBits(bitmap_device1.GetBitmap(), rect.left, + rect.top, m_BlendType); + return FALSE; +} +FX_BOOL CPDF_ImageRenderer::StartDIBSource() { + if (!(m_Flags & RENDER_FORCE_DOWNSAMPLE) && m_pDIBSource->GetBPP() > 1) { + int image_size = m_pDIBSource->GetBPP() / 8 * m_pDIBSource->GetWidth() * + m_pDIBSource->GetHeight(); + if (image_size > FPDF_HUGE_IMAGE_SIZE && + !(m_Flags & RENDER_FORCE_HALFTONE)) { + m_Flags |= RENDER_FORCE_DOWNSAMPLE; + } + } + if (m_pRenderStatus->m_pDevice->StartDIBits( + m_pDIBSource, m_BitmapAlpha, m_FillArgb, &m_ImageMatrix, m_Flags, + m_DeviceHandle, 0, NULL, m_BlendType)) { + if (m_DeviceHandle != NULL) { + m_Status = 3; + return TRUE; } - if (m_pRenderStatus->m_bPrint && !(m_pRenderStatus->m_pDevice->GetRenderCaps() & FXRC_BLEND_MODE)) { - m_Result = FALSE; - return TRUE; + return FALSE; + } + CFX_FloatRect image_rect_f = m_ImageMatrix.GetUnitRect(); + FX_RECT image_rect = image_rect_f.GetOutterRect(); + int dest_width = image_rect.Width(); + int dest_height = image_rect.Height(); + if ((FXSYS_fabs(m_ImageMatrix.b) >= 0.5f || m_ImageMatrix.a == 0) || + (FXSYS_fabs(m_ImageMatrix.c) >= 0.5f || m_ImageMatrix.d == 0)) { + if (m_pRenderStatus->m_bPrint && + !(m_pRenderStatus->m_pDevice->GetRenderCaps() & FXRC_BLEND_MODE)) { + m_Result = FALSE; + return FALSE; } FX_RECT clip_box = m_pRenderStatus->m_pDevice->GetClipBox(); - FX_RECT dest_rect = clip_box; - dest_rect.Intersect(image_rect); - FX_RECT dest_clip(dest_rect.left - image_rect.left, dest_rect.top - image_rect.top, - dest_rect.right - image_rect.left, dest_rect.bottom - image_rect.top); - CFX_DIBitmap* pStretched = m_pDIBSource->StretchTo(dest_width, dest_height, m_Flags, &dest_clip); - if (pStretched) { - m_pRenderStatus->CompositeDIBitmap(pStretched, dest_rect.left, dest_rect.top, m_FillArgb, - m_BitmapAlpha, m_BlendType, FALSE); - delete pStretched; - pStretched = NULL; - } - return FALSE; + clip_box.Intersect(image_rect); + m_Status = 2; + m_pTransformer = new CFX_ImageTransformer; + m_pTransformer->Start(m_pDIBSource, &m_ImageMatrix, m_Flags, &clip_box); + return TRUE; + } + if (m_ImageMatrix.a < 0) { + dest_width = -dest_width; + } + if (m_ImageMatrix.d > 0) { + dest_height = -dest_height; + } + int dest_left, dest_top; + dest_left = dest_width > 0 ? image_rect.left : image_rect.right; + dest_top = dest_height > 0 ? image_rect.top : image_rect.bottom; + if (m_pDIBSource->IsOpaqueImage() && m_BitmapAlpha == 255) { + if (m_pRenderStatus->m_pDevice->StretchDIBits( + m_pDIBSource, dest_left, dest_top, dest_width, dest_height, m_Flags, + NULL, m_BlendType)) { + return FALSE; + } + } + if (m_pDIBSource->IsAlphaMask()) { + if (m_BitmapAlpha != 255) { + m_FillArgb = FXARGB_MUL_ALPHA(m_FillArgb, m_BitmapAlpha); + } + if (m_pRenderStatus->m_pDevice->StretchBitMask( + m_pDIBSource, dest_left, dest_top, dest_width, dest_height, + m_FillArgb, m_Flags)) { + return FALSE; + } + } + if (m_pRenderStatus->m_bPrint && + !(m_pRenderStatus->m_pDevice->GetRenderCaps() & FXRC_BLEND_MODE)) { + m_Result = FALSE; + return TRUE; + } + FX_RECT clip_box = m_pRenderStatus->m_pDevice->GetClipBox(); + FX_RECT dest_rect = clip_box; + dest_rect.Intersect(image_rect); + FX_RECT dest_clip( + dest_rect.left - image_rect.left, dest_rect.top - image_rect.top, + dest_rect.right - image_rect.left, dest_rect.bottom - image_rect.top); + CFX_DIBitmap* pStretched = + m_pDIBSource->StretchTo(dest_width, dest_height, m_Flags, &dest_clip); + if (pStretched) { + m_pRenderStatus->CompositeDIBitmap(pStretched, dest_rect.left, + dest_rect.top, m_FillArgb, m_BitmapAlpha, + m_BlendType, FALSE); + delete pStretched; + pStretched = NULL; + } + return FALSE; } -FX_BOOL CPDF_ImageRenderer::StartBitmapAlpha() -{ - if (m_pDIBSource->IsOpaqueImage()) { - CFX_PathData path; - path.AppendRect(0, 0, 1, 1); - path.Transform(&m_ImageMatrix); - FX_DWORD fill_color = ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha); - m_pRenderStatus->m_pDevice->DrawPath(&path, NULL, NULL, fill_color, 0, FXFILL_WINDING); +FX_BOOL CPDF_ImageRenderer::StartBitmapAlpha() { + if (m_pDIBSource->IsOpaqueImage()) { + CFX_PathData path; + path.AppendRect(0, 0, 1, 1); + path.Transform(&m_ImageMatrix); + FX_DWORD fill_color = + ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha); + m_pRenderStatus->m_pDevice->DrawPath(&path, NULL, NULL, fill_color, 0, + FXFILL_WINDING); + } else { + const CFX_DIBSource* pAlphaMask = m_pDIBSource->IsAlphaMask() + ? m_pDIBSource + : m_pDIBSource->GetAlphaMask(); + if (FXSYS_fabs(m_ImageMatrix.b) >= 0.5f || + FXSYS_fabs(m_ImageMatrix.c) >= 0.5f) { + int left, top; + CFX_DIBitmap* pTransformed = + pAlphaMask->TransformTo(&m_ImageMatrix, left, top); + if (pTransformed == NULL) { + return TRUE; + } + m_pRenderStatus->m_pDevice->SetBitMask( + pTransformed, left, top, + ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha)); + delete pTransformed; } else { - const CFX_DIBSource* pAlphaMask = m_pDIBSource->IsAlphaMask() ? m_pDIBSource : m_pDIBSource->GetAlphaMask(); - if (FXSYS_fabs(m_ImageMatrix.b) >= 0.5f || FXSYS_fabs(m_ImageMatrix.c) >= 0.5f) { - int left, top; - CFX_DIBitmap* pTransformed = pAlphaMask->TransformTo(&m_ImageMatrix, left, top); - if (pTransformed == NULL) { - return TRUE; - } - m_pRenderStatus->m_pDevice->SetBitMask(pTransformed, left, top, ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha)); - delete pTransformed; - } else { - CFX_FloatRect image_rect_f = m_ImageMatrix.GetUnitRect(); - FX_RECT image_rect = image_rect_f.GetOutterRect(); - int dest_width = m_ImageMatrix.a > 0 ? image_rect.Width() : -image_rect.Width(); - int dest_height = m_ImageMatrix.d > 0 ? -image_rect.Height() : image_rect.Height(); - int left = dest_width > 0 ? image_rect.left : image_rect.right; - int top = dest_height > 0 ? image_rect.top : image_rect.bottom; - m_pRenderStatus->m_pDevice->StretchBitMask(pAlphaMask, left, top, dest_width, dest_height, - ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha)); - } - if (m_pDIBSource != pAlphaMask) { - delete pAlphaMask; - } - } - return FALSE; + CFX_FloatRect image_rect_f = m_ImageMatrix.GetUnitRect(); + FX_RECT image_rect = image_rect_f.GetOutterRect(); + int dest_width = + m_ImageMatrix.a > 0 ? image_rect.Width() : -image_rect.Width(); + int dest_height = + m_ImageMatrix.d > 0 ? -image_rect.Height() : image_rect.Height(); + int left = dest_width > 0 ? image_rect.left : image_rect.right; + int top = dest_height > 0 ? image_rect.top : image_rect.bottom; + m_pRenderStatus->m_pDevice->StretchBitMask( + pAlphaMask, left, top, dest_width, dest_height, + ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha)); + } + if (m_pDIBSource != pAlphaMask) { + delete pAlphaMask; + } + } + return FALSE; } -FX_BOOL CPDF_ImageRenderer::Continue(IFX_Pause* pPause) -{ - if (m_Status == 1) { - if (m_pQuickStretcher->Continue(pPause)) { - return TRUE; - } - if (m_pQuickStretcher->m_pBitmap->IsAlphaMask()) - m_pRenderStatus->m_pDevice->SetBitMask(m_pQuickStretcher->m_pBitmap, m_pQuickStretcher->m_ResultLeft, - m_pQuickStretcher->m_ResultTop, m_FillArgb); - else - m_pRenderStatus->m_pDevice->SetDIBits(m_pQuickStretcher->m_pBitmap, m_pQuickStretcher->m_ResultLeft, - m_pQuickStretcher->m_ResultTop, m_BlendType); - return FALSE; - } - if (m_Status == 2) { - if (m_pTransformer->Continue(pPause)) { - return TRUE; - } - CFX_DIBitmap* pBitmap = m_pTransformer->m_Storer.Detach(); - if (pBitmap == NULL) { - return FALSE; - } - if (pBitmap->IsAlphaMask()) { - if (m_BitmapAlpha != 255) { - m_FillArgb = FXARGB_MUL_ALPHA(m_FillArgb, m_BitmapAlpha); - } - m_Result = m_pRenderStatus->m_pDevice->SetBitMask(pBitmap, - m_pTransformer->m_ResultLeft, m_pTransformer->m_ResultTop, m_FillArgb); - } else { - if (m_BitmapAlpha != 255) { - pBitmap->MultiplyAlpha(m_BitmapAlpha); - } - m_Result = m_pRenderStatus->m_pDevice->SetDIBits(pBitmap, - m_pTransformer->m_ResultLeft, m_pTransformer->m_ResultTop, m_BlendType); - } - delete pBitmap; - return FALSE; - } - if (m_Status == 3) { - return m_pRenderStatus->m_pDevice->ContinueDIBits(m_DeviceHandle, pPause); - } - if (m_Status == 4) { - if (m_Loader.Continue(m_LoadHandle, pPause)) { - return TRUE; - } - if (StartRenderDIBSource()) { - return Continue(pPause); - } - } +FX_BOOL CPDF_ImageRenderer::Continue(IFX_Pause* pPause) { + if (m_Status == 1) { + if (m_pQuickStretcher->Continue(pPause)) { + return TRUE; + } + if (m_pQuickStretcher->m_pBitmap->IsAlphaMask()) + m_pRenderStatus->m_pDevice->SetBitMask( + m_pQuickStretcher->m_pBitmap, m_pQuickStretcher->m_ResultLeft, + m_pQuickStretcher->m_ResultTop, m_FillArgb); + else + m_pRenderStatus->m_pDevice->SetDIBits( + m_pQuickStretcher->m_pBitmap, m_pQuickStretcher->m_ResultLeft, + m_pQuickStretcher->m_ResultTop, m_BlendType); return FALSE; + } + if (m_Status == 2) { + if (m_pTransformer->Continue(pPause)) { + return TRUE; + } + CFX_DIBitmap* pBitmap = m_pTransformer->m_Storer.Detach(); + if (pBitmap == NULL) { + return FALSE; + } + if (pBitmap->IsAlphaMask()) { + if (m_BitmapAlpha != 255) { + m_FillArgb = FXARGB_MUL_ALPHA(m_FillArgb, m_BitmapAlpha); + } + m_Result = m_pRenderStatus->m_pDevice->SetBitMask( + pBitmap, m_pTransformer->m_ResultLeft, m_pTransformer->m_ResultTop, + m_FillArgb); + } else { + if (m_BitmapAlpha != 255) { + pBitmap->MultiplyAlpha(m_BitmapAlpha); + } + m_Result = m_pRenderStatus->m_pDevice->SetDIBits( + pBitmap, m_pTransformer->m_ResultLeft, m_pTransformer->m_ResultTop, + m_BlendType); + } + delete pBitmap; + return FALSE; + } + if (m_Status == 3) { + return m_pRenderStatus->m_pDevice->ContinueDIBits(m_DeviceHandle, pPause); + } + if (m_Status == 4) { + if (m_Loader.Continue(m_LoadHandle, pPause)) { + return TRUE; + } + if (StartRenderDIBSource()) { + return Continue(pPause); + } + } + return FALSE; } -CPDF_QuickStretcher::CPDF_QuickStretcher() -{ - m_pBitmap = NULL; - m_pDecoder = NULL; - m_pCS = NULL; +CPDF_QuickStretcher::CPDF_QuickStretcher() { + m_pBitmap = NULL; + m_pDecoder = NULL; + m_pCS = NULL; } -CPDF_QuickStretcher::~CPDF_QuickStretcher() -{ - delete m_pBitmap; - if (m_pCS) { - m_pCS->ReleaseCS(); - } - delete m_pDecoder; +CPDF_QuickStretcher::~CPDF_QuickStretcher() { + delete m_pBitmap; + if (m_pCS) { + m_pCS->ReleaseCS(); + } + delete m_pDecoder; } -ICodec_ScanlineDecoder* FPDFAPI_CreateFlateDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int nComps, int bpc, const CPDF_Dictionary* pParams); -FX_BOOL CPDF_QuickStretcher::Start(CPDF_ImageObject* pImageObj, CFX_AffineMatrix* pImage2Device, const FX_RECT* pClipBox) -{ - if (FXSYS_fabs(pImage2Device->a) < FXSYS_fabs(pImage2Device->b) * 10 && FXSYS_fabs(pImage2Device->d) < FXSYS_fabs(pImage2Device->c) * 10) { - return FALSE; - } - CFX_FloatRect image_rect_f = pImage2Device->GetUnitRect(); - FX_RECT image_rect = image_rect_f.GetOutterRect(); - m_DestWidth = image_rect.Width(); - m_DestHeight = image_rect.Height(); - m_bFlipX = pImage2Device->a < 0; - m_bFlipY = pImage2Device->d > 0; - FX_RECT result_rect = *pClipBox; - result_rect.Intersect(image_rect); - if (result_rect.IsEmpty()) { - return FALSE; - } - m_ResultWidth = result_rect.Width(); - m_ResultHeight = result_rect.Height(); - m_ResultLeft = result_rect.left; - m_ResultTop = result_rect.top; - m_ClipLeft = result_rect.left - image_rect.left; - m_ClipTop = result_rect.top - image_rect.top; - CPDF_Dictionary* pDict = pImageObj->m_pImage->GetDict(); - if (pDict->GetInteger(FX_BSTRC("BitsPerComponent")) != 8) { - return FALSE; - } - if (pDict->KeyExist(FX_BSTRC("SMask")) || pDict->KeyExist(FX_BSTRC("Mask"))) { - return FALSE; - } - m_SrcWidth = pDict->GetInteger(FX_BSTRC("Width")); - m_SrcHeight = pDict->GetInteger(FX_BSTRC("Height")); +ICodec_ScanlineDecoder* FPDFAPI_CreateFlateDecoder( + const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc, + const CPDF_Dictionary* pParams); +FX_BOOL CPDF_QuickStretcher::Start(CPDF_ImageObject* pImageObj, + CFX_AffineMatrix* pImage2Device, + const FX_RECT* pClipBox) { + if (FXSYS_fabs(pImage2Device->a) < FXSYS_fabs(pImage2Device->b) * 10 && + FXSYS_fabs(pImage2Device->d) < FXSYS_fabs(pImage2Device->c) * 10) { + return FALSE; + } + CFX_FloatRect image_rect_f = pImage2Device->GetUnitRect(); + FX_RECT image_rect = image_rect_f.GetOutterRect(); + m_DestWidth = image_rect.Width(); + m_DestHeight = image_rect.Height(); + m_bFlipX = pImage2Device->a < 0; + m_bFlipY = pImage2Device->d > 0; + FX_RECT result_rect = *pClipBox; + result_rect.Intersect(image_rect); + if (result_rect.IsEmpty()) { + return FALSE; + } + m_ResultWidth = result_rect.Width(); + m_ResultHeight = result_rect.Height(); + m_ResultLeft = result_rect.left; + m_ResultTop = result_rect.top; + m_ClipLeft = result_rect.left - image_rect.left; + m_ClipTop = result_rect.top - image_rect.top; + CPDF_Dictionary* pDict = pImageObj->m_pImage->GetDict(); + if (pDict->GetInteger(FX_BSTRC("BitsPerComponent")) != 8) { + return FALSE; + } + if (pDict->KeyExist(FX_BSTRC("SMask")) || pDict->KeyExist(FX_BSTRC("Mask"))) { + return FALSE; + } + m_SrcWidth = pDict->GetInteger(FX_BSTRC("Width")); + m_SrcHeight = pDict->GetInteger(FX_BSTRC("Height")); + m_pCS = NULL; + m_Bpp = 3; + CPDF_Object* pCSObj = pDict->GetElementValue(FX_BSTRC("ColorSpace")); + if (pCSObj == NULL) { + return FALSE; + } + m_pCS = CPDF_ColorSpace::Load(pImageObj->m_pImage->GetDocument(), pCSObj); + if (m_pCS == NULL) { + return FALSE; + } + if (!_IsSupported(m_pCS)) { + return FALSE; + } + m_Bpp = m_pCS->CountComponents(); + if (m_pCS->sRGB()) { + m_pCS->ReleaseCS(); m_pCS = NULL; - m_Bpp = 3; - CPDF_Object* pCSObj = pDict->GetElementValue(FX_BSTRC("ColorSpace")); - if (pCSObj == NULL) { - return FALSE; - } - m_pCS = CPDF_ColorSpace::Load(pImageObj->m_pImage->GetDocument(), pCSObj); - if (m_pCS == NULL) { - return FALSE; - } - if (!_IsSupported(m_pCS)) { - return FALSE; - } - m_Bpp = m_pCS->CountComponents(); - if (m_pCS->sRGB()) { - m_pCS->ReleaseCS(); - m_pCS = NULL; - } - CPDF_Stream* pStream = pImageObj->m_pImage->GetStream(); - m_StreamAcc.LoadAllData(pStream, FALSE, m_SrcWidth * m_SrcHeight * m_Bpp, TRUE); - m_pDecoder = NULL; - if (!m_StreamAcc.GetImageDecoder().IsEmpty()) { - if (m_StreamAcc.GetImageDecoder() == FX_BSTRC("DCTDecode")) { - const CPDF_Dictionary* pParam = m_StreamAcc.GetImageParam(); - m_pDecoder = CPDF_ModuleMgr::Get()->GetJpegModule()->CreateDecoder( - m_StreamAcc.GetData(), m_StreamAcc.GetSize(), m_SrcWidth, m_SrcHeight, m_Bpp, - pParam ? pParam->GetInteger(FX_BSTRC("ColorTransform"), 1) : 1); - } else if (m_StreamAcc.GetImageDecoder() == FX_BSTRC("FlateDecode")) { - m_pDecoder = FPDFAPI_CreateFlateDecoder( - m_StreamAcc.GetData(), m_StreamAcc.GetSize(), m_SrcWidth, m_SrcHeight, m_Bpp, 8, - m_StreamAcc.GetImageParam()); - } else { - return FALSE; - } - m_pDecoder->DownScale(m_DestWidth, m_DestHeight); + } + CPDF_Stream* pStream = pImageObj->m_pImage->GetStream(); + m_StreamAcc.LoadAllData(pStream, FALSE, m_SrcWidth * m_SrcHeight * m_Bpp, + TRUE); + m_pDecoder = NULL; + if (!m_StreamAcc.GetImageDecoder().IsEmpty()) { + if (m_StreamAcc.GetImageDecoder() == FX_BSTRC("DCTDecode")) { + const CPDF_Dictionary* pParam = m_StreamAcc.GetImageParam(); + m_pDecoder = CPDF_ModuleMgr::Get()->GetJpegModule()->CreateDecoder( + m_StreamAcc.GetData(), m_StreamAcc.GetSize(), m_SrcWidth, m_SrcHeight, + m_Bpp, + pParam ? pParam->GetInteger(FX_BSTRC("ColorTransform"), 1) : 1); + } else if (m_StreamAcc.GetImageDecoder() == FX_BSTRC("FlateDecode")) { + m_pDecoder = FPDFAPI_CreateFlateDecoder( + m_StreamAcc.GetData(), m_StreamAcc.GetSize(), m_SrcWidth, m_SrcHeight, + m_Bpp, 8, m_StreamAcc.GetImageParam()); + } else { + return FALSE; } - m_pBitmap = new CFX_DIBitmap; -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - m_pBitmap->Create(m_ResultWidth, m_ResultHeight, FXDIB_Rgb32); + m_pDecoder->DownScale(m_DestWidth, m_DestHeight); + } + m_pBitmap = new CFX_DIBitmap; +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + m_pBitmap->Create(m_ResultWidth, m_ResultHeight, FXDIB_Rgb32); #else - m_pBitmap->Create(m_ResultWidth, m_ResultHeight, FXDIB_Rgb); + m_pBitmap->Create(m_ResultWidth, m_ResultHeight, FXDIB_Rgb); #endif - m_LineIndex = 0; - return TRUE; + m_LineIndex = 0; + return TRUE; } -FX_BOOL CPDF_QuickStretcher::Continue(IFX_Pause* pPause) -{ - uint8_t* result_buf = m_pBitmap->GetBuffer(); - int src_width = m_pDecoder ? m_pDecoder->GetWidth() : m_SrcWidth; - int src_height = m_pDecoder ? m_pDecoder->GetHeight() : m_SrcHeight; - int src_pitch = src_width * m_Bpp; - while (m_LineIndex < m_ResultHeight) { - int dest_y, src_y; - if (m_bFlipY) { - dest_y = m_ResultHeight - m_LineIndex - 1; - src_y = (m_DestHeight - (dest_y + m_ClipTop) - 1) * src_height / m_DestHeight; - } else { - dest_y = m_LineIndex; - src_y = (dest_y + m_ClipTop) * src_height / m_DestHeight; - } - const uint8_t* src_scan; - if (m_pDecoder) { - src_scan = m_pDecoder->GetScanline(src_y); - if (src_scan == NULL) { - break; - } - } else { - src_scan = m_StreamAcc.GetData(); - if (src_scan == NULL) { - break; - } - src_scan += src_y * src_pitch; - } - uint8_t* result_scan = result_buf + dest_y * m_pBitmap->GetPitch(); - for (int x = 0; x < m_ResultWidth; x ++) { - int dest_x = m_ClipLeft + x; - int src_x = (m_bFlipX ? (m_DestWidth - dest_x - 1) : dest_x) * src_width / m_DestWidth; - const uint8_t* src_pixel = src_scan + src_x * m_Bpp; - if (m_pCS == NULL) { - *result_scan = src_pixel[2]; - result_scan ++; - *result_scan = src_pixel[1]; - result_scan ++; - *result_scan = src_pixel[0]; - result_scan ++; -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - result_scan ++; +FX_BOOL CPDF_QuickStretcher::Continue(IFX_Pause* pPause) { + uint8_t* result_buf = m_pBitmap->GetBuffer(); + int src_width = m_pDecoder ? m_pDecoder->GetWidth() : m_SrcWidth; + int src_height = m_pDecoder ? m_pDecoder->GetHeight() : m_SrcHeight; + int src_pitch = src_width * m_Bpp; + while (m_LineIndex < m_ResultHeight) { + int dest_y, src_y; + if (m_bFlipY) { + dest_y = m_ResultHeight - m_LineIndex - 1; + src_y = + (m_DestHeight - (dest_y + m_ClipTop) - 1) * src_height / m_DestHeight; + } else { + dest_y = m_LineIndex; + src_y = (dest_y + m_ClipTop) * src_height / m_DestHeight; + } + const uint8_t* src_scan; + if (m_pDecoder) { + src_scan = m_pDecoder->GetScanline(src_y); + if (src_scan == NULL) { + break; + } + } else { + src_scan = m_StreamAcc.GetData(); + if (src_scan == NULL) { + break; + } + src_scan += src_y * src_pitch; + } + uint8_t* result_scan = result_buf + dest_y * m_pBitmap->GetPitch(); + for (int x = 0; x < m_ResultWidth; x++) { + int dest_x = m_ClipLeft + x; + int src_x = (m_bFlipX ? (m_DestWidth - dest_x - 1) : dest_x) * src_width / + m_DestWidth; + const uint8_t* src_pixel = src_scan + src_x * m_Bpp; + if (m_pCS == NULL) { + *result_scan = src_pixel[2]; + result_scan++; + *result_scan = src_pixel[1]; + result_scan++; + *result_scan = src_pixel[0]; + result_scan++; +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + result_scan++; #endif - } else { - m_pCS->TranslateImageLine(result_scan, src_pixel, 1, 0, 0); -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - result_scan += 4; + } else { + m_pCS->TranslateImageLine(result_scan, src_pixel, 1, 0, 0); +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + result_scan += 4; #else - result_scan += 3; + result_scan += 3; #endif - } - } - m_LineIndex ++; - if (pPause && pPause->NeedToPauseNow()) { - return TRUE; - } + } } - return FALSE; + m_LineIndex++; + if (pPause && pPause->NeedToPauseNow()) { + return TRUE; + } + } + return FALSE; } CFX_DIBitmap* CPDF_RenderStatus::LoadSMask(CPDF_Dictionary* pSMaskDict, - FX_RECT* pClipRect, const CFX_AffineMatrix* pMatrix) -{ - if (pSMaskDict == NULL) { - return NULL; - } - CFX_DIBitmap* pMask = NULL; - int width = pClipRect->right - pClipRect->left; - int height = pClipRect->bottom - pClipRect->top; - FX_BOOL bLuminosity = FALSE; - bLuminosity = pSMaskDict->GetConstString(FX_BSTRC("S")) != FX_BSTRC("Alpha"); - CPDF_Stream* pGroup = pSMaskDict->GetStream(FX_BSTRC("G")); - if (pGroup == NULL) { - return NULL; - } - CPDF_Function* pFunc = NULL; - CPDF_Object* pFuncObj = pSMaskDict->GetElementValue(FX_BSTRC("TR")); - if (pFuncObj && (pFuncObj->GetType() == PDFOBJ_DICTIONARY || pFuncObj->GetType() == PDFOBJ_STREAM)) { - pFunc = CPDF_Function::Load(pFuncObj); - } - CFX_AffineMatrix matrix = *pMatrix; - matrix.TranslateI(-pClipRect->left, -pClipRect->top); - CPDF_Form form(m_pContext->m_pDocument, m_pContext->m_pPageResources, pGroup); - form.ParseContent(NULL, NULL, NULL, NULL); - CFX_FxgeDevice bitmap_device; -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if (!bitmap_device.Create(width, height, bLuminosity ? FXDIB_Rgb32 : FXDIB_8bppMask)) { - return NULL; - } + FX_RECT* pClipRect, + const CFX_AffineMatrix* pMatrix) { + if (pSMaskDict == NULL) { + return NULL; + } + CFX_DIBitmap* pMask = NULL; + int width = pClipRect->right - pClipRect->left; + int height = pClipRect->bottom - pClipRect->top; + FX_BOOL bLuminosity = FALSE; + bLuminosity = pSMaskDict->GetConstString(FX_BSTRC("S")) != FX_BSTRC("Alpha"); + CPDF_Stream* pGroup = pSMaskDict->GetStream(FX_BSTRC("G")); + if (pGroup == NULL) { + return NULL; + } + CPDF_Function* pFunc = NULL; + CPDF_Object* pFuncObj = pSMaskDict->GetElementValue(FX_BSTRC("TR")); + if (pFuncObj && (pFuncObj->GetType() == PDFOBJ_DICTIONARY || + pFuncObj->GetType() == PDFOBJ_STREAM)) { + pFunc = CPDF_Function::Load(pFuncObj); + } + CFX_AffineMatrix matrix = *pMatrix; + matrix.TranslateI(-pClipRect->left, -pClipRect->top); + CPDF_Form form(m_pContext->m_pDocument, m_pContext->m_pPageResources, pGroup); + form.ParseContent(NULL, NULL, NULL, NULL); + CFX_FxgeDevice bitmap_device; +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + if (!bitmap_device.Create(width, height, + bLuminosity ? FXDIB_Rgb32 : FXDIB_8bppMask)) { + return NULL; + } #else - if (!bitmap_device.Create(width, height, bLuminosity ? FXDIB_Rgb : FXDIB_8bppMask)) { - return NULL; - } + if (!bitmap_device.Create(width, height, + bLuminosity ? FXDIB_Rgb : FXDIB_8bppMask)) { + return NULL; + } #endif - CFX_DIBitmap& bitmap = *bitmap_device.GetBitmap(); - CPDF_Object* pCSObj = NULL; - CPDF_ColorSpace* pCS = NULL; - if (bLuminosity) { - CPDF_Array* pBC = pSMaskDict->GetArray(FX_BSTRC("BC")); - FX_ARGB back_color = 0xff000000; - if (pBC) { - CPDF_Dictionary* pDict = pGroup->GetDict(); - if (pDict && pDict->GetDict(FX_BSTRC("Group"))) - pCSObj = pDict->GetDict(FX_BSTRC("Group"))->GetElementValue(FX_BSTRC("CS")); - else - pCSObj = NULL; - pCS = m_pContext->m_pDocument->LoadColorSpace(pCSObj); - if (pCS) { - FX_FLOAT R, G, B; - FX_DWORD comps = 8; - if (pCS->CountComponents() > static_cast<int32_t>(comps)) { - comps = (FX_DWORD)pCS->CountComponents(); - } - CFX_FixedBufGrow<FX_FLOAT, 8> float_array(comps); - FX_FLOAT* pFloats = float_array; - FX_SAFE_DWORD num_floats = comps; - num_floats *= sizeof(FX_FLOAT); - if (!num_floats.IsValid()) { - return NULL; - } - FXSYS_memset(pFloats, 0, num_floats.ValueOrDie()); - int count = pBC->GetCount() > 8 ? 8 : pBC->GetCount(); - for (int i = 0; i < count; i ++) { - pFloats[i] = pBC->GetNumber(i); - } - pCS->GetRGB(pFloats, R, G, B); - back_color = 0xff000000 | ((int32_t)(R * 255) << 16) | ((int32_t)(G * 255) << 8) | (int32_t)(B * 255); - m_pContext->m_pDocument->GetPageData()->ReleaseColorSpace(pCSObj); - } + CFX_DIBitmap& bitmap = *bitmap_device.GetBitmap(); + CPDF_Object* pCSObj = NULL; + CPDF_ColorSpace* pCS = NULL; + if (bLuminosity) { + CPDF_Array* pBC = pSMaskDict->GetArray(FX_BSTRC("BC")); + FX_ARGB back_color = 0xff000000; + if (pBC) { + CPDF_Dictionary* pDict = pGroup->GetDict(); + if (pDict && pDict->GetDict(FX_BSTRC("Group"))) + pCSObj = + pDict->GetDict(FX_BSTRC("Group"))->GetElementValue(FX_BSTRC("CS")); + else + pCSObj = NULL; + pCS = m_pContext->m_pDocument->LoadColorSpace(pCSObj); + if (pCS) { + FX_FLOAT R, G, B; + FX_DWORD comps = 8; + if (pCS->CountComponents() > static_cast<int32_t>(comps)) { + comps = (FX_DWORD)pCS->CountComponents(); } - bitmap.Clear(back_color); - } else { - bitmap.Clear(0); - } - CPDF_Dictionary* pFormResource = NULL; - if (form.m_pFormDict) { - pFormResource = form.m_pFormDict->GetDict(FX_BSTRC("Resources")); - } - CPDF_RenderOptions options; - options.m_ColorMode = bLuminosity ? RENDER_COLOR_NORMAL : RENDER_COLOR_ALPHA; - CPDF_RenderStatus status; - status.Initialize(m_pContext, &bitmap_device, NULL, NULL, NULL, NULL, - &options, 0, m_bDropObjects, pFormResource, TRUE, NULL, 0, pCS ? pCS->GetFamily() : 0, bLuminosity); - status.RenderObjectList(&form, &matrix); - pMask = new CFX_DIBitmap; - if (!pMask->Create(width, height, FXDIB_8bppMask)) { - delete pMask; - return NULL; - } - uint8_t* dest_buf = pMask->GetBuffer(); - int dest_pitch = pMask->GetPitch(); - uint8_t* src_buf = bitmap.GetBuffer(); - int src_pitch = bitmap.GetPitch(); - uint8_t* pTransfer = FX_Alloc(uint8_t, 256); - if (pFunc) { - CFX_FixedBufGrow<FX_FLOAT, 16> results(pFunc->CountOutputs()); - for (int i = 0; i < 256; i ++) { - FX_FLOAT input = (FX_FLOAT)i / 255.0f; - int nresult; - pFunc->Call(&input, 1, results, nresult); - pTransfer[i] = FXSYS_round(results[0] * 255); + CFX_FixedBufGrow<FX_FLOAT, 8> float_array(comps); + FX_FLOAT* pFloats = float_array; + FX_SAFE_DWORD num_floats = comps; + num_floats *= sizeof(FX_FLOAT); + if (!num_floats.IsValid()) { + return NULL; } - } else { - for (int i = 0; i < 256; i ++) { - pTransfer[i] = i; + FXSYS_memset(pFloats, 0, num_floats.ValueOrDie()); + int count = pBC->GetCount() > 8 ? 8 : pBC->GetCount(); + for (int i = 0; i < count; i++) { + pFloats[i] = pBC->GetNumber(i); } - } - if (bLuminosity) { - int Bpp = bitmap.GetBPP() / 8; - for (int row = 0; row < height; row ++) { - uint8_t* dest_pos = dest_buf + row * dest_pitch; - uint8_t* src_pos = src_buf + row * src_pitch; - for (int col = 0; col < width; col ++) { - *dest_pos ++ = pTransfer[FXRGB2GRAY(src_pos[2], src_pos[1], *src_pos)]; - src_pos += Bpp; - } - } - } else if (pFunc) { - int size = dest_pitch * height; - for (int i = 0; i < size; i ++) { - dest_buf[i] = pTransfer[src_buf[i]]; - } - } else { - FXSYS_memcpy(dest_buf, src_buf, dest_pitch * height); - } - delete pFunc; - FX_Free(pTransfer); - return pMask; + pCS->GetRGB(pFloats, R, G, B); + back_color = 0xff000000 | ((int32_t)(R * 255) << 16) | + ((int32_t)(G * 255) << 8) | (int32_t)(B * 255); + m_pContext->m_pDocument->GetPageData()->ReleaseColorSpace(pCSObj); + } + } + bitmap.Clear(back_color); + } else { + bitmap.Clear(0); + } + CPDF_Dictionary* pFormResource = NULL; + if (form.m_pFormDict) { + pFormResource = form.m_pFormDict->GetDict(FX_BSTRC("Resources")); + } + CPDF_RenderOptions options; + options.m_ColorMode = bLuminosity ? RENDER_COLOR_NORMAL : RENDER_COLOR_ALPHA; + CPDF_RenderStatus status; + status.Initialize(m_pContext, &bitmap_device, NULL, NULL, NULL, NULL, + &options, 0, m_bDropObjects, pFormResource, TRUE, NULL, 0, + pCS ? pCS->GetFamily() : 0, bLuminosity); + status.RenderObjectList(&form, &matrix); + pMask = new CFX_DIBitmap; + if (!pMask->Create(width, height, FXDIB_8bppMask)) { + delete pMask; + return NULL; + } + uint8_t* dest_buf = pMask->GetBuffer(); + int dest_pitch = pMask->GetPitch(); + uint8_t* src_buf = bitmap.GetBuffer(); + int src_pitch = bitmap.GetPitch(); + uint8_t* pTransfer = FX_Alloc(uint8_t, 256); + if (pFunc) { + CFX_FixedBufGrow<FX_FLOAT, 16> results(pFunc->CountOutputs()); + for (int i = 0; i < 256; i++) { + FX_FLOAT input = (FX_FLOAT)i / 255.0f; + int nresult; + pFunc->Call(&input, 1, results, nresult); + pTransfer[i] = FXSYS_round(results[0] * 255); + } + } else { + for (int i = 0; i < 256; i++) { + pTransfer[i] = i; + } + } + if (bLuminosity) { + int Bpp = bitmap.GetBPP() / 8; + for (int row = 0; row < height; row++) { + uint8_t* dest_pos = dest_buf + row * dest_pitch; + uint8_t* src_pos = src_buf + row * src_pitch; + for (int col = 0; col < width; col++) { + *dest_pos++ = pTransfer[FXRGB2GRAY(src_pos[2], src_pos[1], *src_pos)]; + src_pos += Bpp; + } + } + } else if (pFunc) { + int size = dest_pitch * height; + for (int i = 0; i < size; i++) { + dest_buf[i] = pTransfer[src_buf[i]]; + } + } else { + FXSYS_memcpy(dest_buf, src_buf, dest_pitch * height); + } + delete pFunc; + FX_Free(pTransfer); + return pMask; } |