From bdbb0bd92bfca52e574106c4ce5f93d9d34d3373 Mon Sep 17 00:00:00 2001 From: Nicolas Pena Date: Fri, 31 Mar 2017 15:39:44 -0400 Subject: Split fx_dib part 3 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Moved CFX_ImageRenderer, CFX_ImageTransformer to their own files. Change-Id: Ic98403f62bea317600a933f79946a2a9bad30eeb Reviewed-on: https://pdfium-review.googlesource.com/3551 Commit-Queue: Nicolás Peña Reviewed-by: Lei Zhang Reviewed-by: Tom Sepez --- core/fxge/dib/fx_dib_main.cpp | 194 ++++++++++++++---------------------------- 1 file changed, 62 insertions(+), 132 deletions(-) (limited to 'core/fxge/dib/fx_dib_main.cpp') diff --git a/core/fxge/dib/fx_dib_main.cpp b/core/fxge/dib/fx_dib_main.cpp index 0d9e79c27e..2ea3eeab3e 100644 --- a/core/fxge/dib/fx_dib_main.cpp +++ b/core/fxge/dib/fx_dib_main.cpp @@ -20,6 +20,68 @@ #include "core/fxge/ge/cfx_cliprgn.h" #include "third_party/base/ptr_util.h" +const int16_t SDP_Table[513] = { + 256, 256, 256, 256, 256, 256, 256, 256, 256, 255, 255, 255, 255, 255, 255, + 254, 254, 254, 254, 253, 253, 253, 252, 252, 252, 251, 251, 251, 250, 250, + 249, 249, 249, 248, 248, 247, 247, 246, 246, 245, 244, 244, 243, 243, 242, + 242, 241, 240, 240, 239, 238, 238, 237, 236, 236, 235, 234, 233, 233, 232, + 231, 230, 230, 229, 228, 227, 226, 226, 225, 224, 223, 222, 221, 220, 219, + 218, 218, 217, 216, 215, 214, 213, 212, 211, 210, 209, 208, 207, 206, 205, + 204, 203, 202, 201, 200, 199, 198, 196, 195, 194, 193, 192, 191, 190, 189, + 188, 186, 185, 184, 183, 182, 181, 179, 178, 177, 176, 175, 173, 172, 171, + 170, 169, 167, 166, 165, 164, 162, 161, 160, 159, 157, 156, 155, 154, 152, + 151, 150, 149, 147, 146, 145, 143, 142, 141, 140, 138, 137, 136, 134, 133, + 132, 130, 129, 128, 126, 125, 124, 122, 121, 120, 119, 117, 116, 115, 113, + 112, 111, 109, 108, 107, 105, 104, 103, 101, 100, 99, 97, 96, 95, 93, + 92, 91, 89, 88, 87, 85, 84, 83, 81, 80, 79, 77, 76, 75, 73, + 72, 71, 69, 68, 67, 66, 64, 63, 62, 60, 59, 58, 57, 55, 54, + 53, 52, 50, 49, 48, 47, 45, 44, 43, 42, 40, 39, 38, 37, 36, + 34, 33, 32, 31, 30, 28, 27, 26, 25, 24, 23, 21, 20, 19, 18, + 17, 16, 15, 14, 13, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, + 1, 0, 0, -1, -2, -3, -4, -5, -6, -7, -7, -8, -9, -10, -11, + -12, -12, -13, -14, -15, -15, -16, -17, -17, -18, -19, -19, -20, -21, -21, + -22, -22, -23, -24, -24, -25, -25, -26, -26, -27, -27, -27, -28, -28, -29, + -29, -30, -30, -30, -31, -31, -31, -32, -32, -32, -33, -33, -33, -33, -34, + -34, -34, -34, -35, -35, -35, -35, -35, -36, -36, -36, -36, -36, -36, -36, + -36, -36, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, + -37, -37, -37, -37, -37, -37, -37, -37, -36, -36, -36, -36, -36, -36, -36, + -36, -36, -35, -35, -35, -35, -35, -35, -34, -34, -34, -34, -34, -33, -33, + -33, -33, -33, -32, -32, -32, -32, -31, -31, -31, -31, -30, -30, -30, -30, + -29, -29, -29, -29, -28, -28, -28, -27, -27, -27, -27, -26, -26, -26, -25, + -25, -25, -24, -24, -24, -23, -23, -23, -22, -22, -22, -22, -21, -21, -21, + -20, -20, -20, -19, -19, -19, -18, -18, -18, -17, -17, -17, -16, -16, -16, + -15, -15, -15, -14, -14, -14, -13, -13, -13, -12, -12, -12, -11, -11, -11, + -10, -10, -10, -9, -9, -9, -9, -8, -8, -8, -7, -7, -7, -7, -6, + -6, -6, -6, -5, -5, -5, -5, -4, -4, -4, -4, -3, -3, -3, -3, + -3, -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, +}; + +FX_RECT FXDIB_SwapClipBox(FX_RECT& clip, + int width, + int height, + bool bFlipX, + bool bFlipY) { + FX_RECT rect; + if (bFlipY) { + rect.left = height - clip.top; + rect.right = height - clip.bottom; + } else { + rect.left = clip.top; + rect.right = clip.bottom; + } + if (bFlipX) { + rect.top = width - clip.left; + rect.bottom = width - clip.right; + } else { + rect.top = clip.left; + rect.bottom = clip.right; + } + rect.Normalize(); + return rect; +} + void CmykDecode(uint32_t cmyk, int& c, int& m, int& y, int& k) { c = FXSYS_GetCValue(cmyk); m = FXSYS_GetMValue(cmyk); @@ -1083,138 +1145,6 @@ CFX_DIBExtractor::CFX_DIBExtractor(const CFX_RetainPtr& pSrc) { CFX_DIBExtractor::~CFX_DIBExtractor() {} -CFX_ImageRenderer::CFX_ImageRenderer() { - m_Status = 0; - m_pIccTransform = nullptr; - m_bRgbByteOrder = false; - m_BlendType = FXDIB_BLEND_NORMAL; -} - -CFX_ImageRenderer::~CFX_ImageRenderer() {} - -bool CFX_ImageRenderer::Start(const CFX_RetainPtr& pDevice, - const CFX_ClipRgn* pClipRgn, - const CFX_RetainPtr& pSource, - int bitmap_alpha, - uint32_t mask_color, - const CFX_Matrix* pMatrix, - uint32_t dib_flags, - bool bRgbByteOrder, - int alpha_flag, - void* pIccTransform, - int blend_type) { - m_Matrix = *pMatrix; - CFX_FloatRect image_rect_f = m_Matrix.GetUnitRect(); - FX_RECT image_rect = image_rect_f.GetOuterRect(); - m_ClipBox = pClipRgn ? pClipRgn->GetBox() : FX_RECT(0, 0, pDevice->GetWidth(), - pDevice->GetHeight()); - m_ClipBox.Intersect(image_rect); - if (m_ClipBox.IsEmpty()) - return false; - - m_pDevice = pDevice; - m_pClipRgn = pClipRgn; - m_MaskColor = mask_color; - m_BitmapAlpha = bitmap_alpha; - m_Matrix = *pMatrix; - m_Flags = dib_flags; - m_AlphaFlag = alpha_flag; - m_pIccTransform = pIccTransform; - m_bRgbByteOrder = bRgbByteOrder; - m_BlendType = blend_type; - - if ((FXSYS_fabs(m_Matrix.b) >= 0.5f || m_Matrix.a == 0) || - (FXSYS_fabs(m_Matrix.c) >= 0.5f || m_Matrix.d == 0)) { - if (FXSYS_fabs(m_Matrix.a) < FXSYS_fabs(m_Matrix.b) / 20 && - FXSYS_fabs(m_Matrix.d) < FXSYS_fabs(m_Matrix.c) / 20 && - FXSYS_fabs(m_Matrix.a) < 0.5f && FXSYS_fabs(m_Matrix.d) < 0.5f) { - int dest_width = image_rect.Width(); - int dest_height = image_rect.Height(); - FX_RECT bitmap_clip = m_ClipBox; - bitmap_clip.Offset(-image_rect.left, -image_rect.top); - bitmap_clip = FXDIB_SwapClipBox(bitmap_clip, dest_width, dest_height, - m_Matrix.c > 0, m_Matrix.b < 0); - m_Composer.Compose(pDevice, pClipRgn, bitmap_alpha, mask_color, m_ClipBox, - true, m_Matrix.c > 0, m_Matrix.b < 0, m_bRgbByteOrder, - alpha_flag, pIccTransform, m_BlendType); - m_Stretcher = pdfium::MakeUnique( - &m_Composer, pSource, dest_height, dest_width, bitmap_clip, - dib_flags); - if (!m_Stretcher->Start()) - return false; - - m_Status = 1; - return true; - } - m_Status = 2; - m_pTransformer.reset( - new CFX_ImageTransformer(pSource, &m_Matrix, dib_flags, &m_ClipBox)); - m_pTransformer->Start(); - return true; - } - - int dest_width = image_rect.Width(); - if (m_Matrix.a < 0) - dest_width = -dest_width; - - int dest_height = image_rect.Height(); - if (m_Matrix.d > 0) - dest_height = -dest_height; - - if (dest_width == 0 || dest_height == 0) - return false; - - FX_RECT bitmap_clip = m_ClipBox; - bitmap_clip.Offset(-image_rect.left, -image_rect.top); - m_Composer.Compose(pDevice, pClipRgn, bitmap_alpha, mask_color, m_ClipBox, - false, false, false, m_bRgbByteOrder, alpha_flag, - pIccTransform, m_BlendType); - m_Status = 1; - m_Stretcher = pdfium::MakeUnique( - &m_Composer, pSource, dest_width, dest_height, bitmap_clip, dib_flags); - return m_Stretcher->Start(); -} - -bool CFX_ImageRenderer::Continue(IFX_Pause* pPause) { - if (m_Status == 1) - return m_Stretcher->Continue(pPause); - - if (m_Status == 2) { - if (m_pTransformer->Continue(pPause)) - return true; - - CFX_RetainPtr pBitmap = m_pTransformer->DetachBitmap(); - if (!pBitmap || !pBitmap->GetBuffer()) - return false; - - if (pBitmap->IsAlphaMask()) { - if (m_BitmapAlpha != 255) { - if (m_AlphaFlag >> 8) { - m_AlphaFlag = - (((uint8_t)((m_AlphaFlag & 0xff) * m_BitmapAlpha / 255)) | - ((m_AlphaFlag >> 8) << 8)); - } else { - m_MaskColor = FXARGB_MUL_ALPHA(m_MaskColor, m_BitmapAlpha); - } - } - m_pDevice->CompositeMask( - m_pTransformer->result().left, m_pTransformer->result().top, - pBitmap->GetWidth(), pBitmap->GetHeight(), pBitmap, m_MaskColor, 0, 0, - m_BlendType, m_pClipRgn, m_bRgbByteOrder, m_AlphaFlag, - m_pIccTransform); - } else { - if (m_BitmapAlpha != 255) - pBitmap->MultiplyAlpha(m_BitmapAlpha); - m_pDevice->CompositeBitmap( - m_pTransformer->result().left, m_pTransformer->result().top, - pBitmap->GetWidth(), pBitmap->GetHeight(), pBitmap, 0, 0, m_BlendType, - m_pClipRgn, m_bRgbByteOrder, m_pIccTransform); - } - return false; - } - return false; -} - CFX_BitmapStorer::CFX_BitmapStorer() { } -- cgit v1.2.3