From 764ec513eecbebd12781bcc96ce81ed5e736ee92 Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Mon, 14 Mar 2016 13:35:12 -0400 Subject: Move core/src/ up to core/. This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 . --- core/fxge/dib/fx_dib_transform.cpp | 948 +++++++++++++++++++++++++++++++++++++ 1 file changed, 948 insertions(+) create mode 100644 core/fxge/dib/fx_dib_transform.cpp (limited to 'core/fxge/dib/fx_dib_transform.cpp') diff --git a/core/fxge/dib/fx_dib_transform.cpp b/core/fxge/dib/fx_dib_transform.cpp new file mode 100644 index 0000000000..dc6fb93c75 --- /dev/null +++ b/core/fxge/dib/fx_dib_transform.cpp @@ -0,0 +1,948 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fxge/dib/dib_int.h" + +#include "core/include/fxge/fx_dib.h" + +namespace { + +uint8_t bilinear_interpol(const uint8_t* buf, + int row_offset_l, + int row_offset_r, + int src_col_l, + int src_col_r, + int res_x, + int res_y, + int bpp, + int c_offset) { + int i_resx = 255 - res_x; + int col_bpp_l = src_col_l * bpp; + int col_bpp_r = src_col_r * bpp; + const uint8_t* buf_u = buf + row_offset_l + c_offset; + const uint8_t* buf_d = buf + row_offset_r + c_offset; + const uint8_t* src_pos0 = buf_u + col_bpp_l; + const uint8_t* src_pos1 = buf_u + col_bpp_r; + const uint8_t* src_pos2 = buf_d + col_bpp_l; + const uint8_t* src_pos3 = buf_d + col_bpp_r; + uint8_t r_pos_0 = (*src_pos0 * i_resx + *src_pos1 * res_x) >> 8; + uint8_t r_pos_1 = (*src_pos2 * i_resx + *src_pos3 * res_x) >> 8; + return (r_pos_0 * (255 - res_y) + r_pos_1 * res_y) >> 8; +} + +uint8_t bicubic_interpol(const uint8_t* buf, + int pitch, + int pos_pixel[], + int u_w[], + int v_w[], + int res_x, + int res_y, + int bpp, + int c_offset) { + int s_result = 0; + for (int i = 0; i < 4; i++) { + int a_result = 0; + for (int j = 0; j < 4; j++) { + a_result += u_w[j] * (*(uint8_t*)(buf + pos_pixel[i + 4] * pitch + + pos_pixel[j] * bpp + c_offset)); + } + s_result += a_result * v_w[i]; + } + s_result >>= 16; + return (uint8_t)(s_result < 0 ? 0 : s_result > 255 ? 255 : s_result); +} + +void bicubic_get_pos_weight(int pos_pixel[], + int u_w[], + int v_w[], + int src_col_l, + int src_row_l, + int res_x, + int res_y, + int stretch_width, + int stretch_height) { + pos_pixel[0] = src_col_l - 1; + pos_pixel[1] = src_col_l; + pos_pixel[2] = src_col_l + 1; + pos_pixel[3] = src_col_l + 2; + pos_pixel[4] = src_row_l - 1; + pos_pixel[5] = src_row_l; + pos_pixel[6] = src_row_l + 1; + pos_pixel[7] = src_row_l + 2; + for (int i = 0; i < 4; i++) { + if (pos_pixel[i] < 0) { + pos_pixel[i] = 0; + } + if (pos_pixel[i] >= stretch_width) { + pos_pixel[i] = stretch_width - 1; + } + if (pos_pixel[i + 4] < 0) { + pos_pixel[i + 4] = 0; + } + if (pos_pixel[i + 4] >= stretch_height) { + pos_pixel[i + 4] = stretch_height - 1; + } + } + u_w[0] = SDP_Table[256 + res_x]; + u_w[1] = SDP_Table[res_x]; + u_w[2] = SDP_Table[256 - res_x]; + u_w[3] = SDP_Table[512 - res_x]; + v_w[0] = SDP_Table[256 + res_y]; + v_w[1] = SDP_Table[res_y]; + v_w[2] = SDP_Table[256 - res_y]; + v_w[3] = SDP_Table[512 - res_y]; +} + +FXDIB_Format GetTransformedFormat(const CFX_DIBSource* pDrc) { + FXDIB_Format format = pDrc->GetFormat(); + if (pDrc->IsAlphaMask()) { + format = FXDIB_8bppMask; + } else if (format >= 1025) { + format = FXDIB_Cmyka; + } else if (format <= 32 || format == FXDIB_Argb) { + format = FXDIB_Argb; + } else { + format = FXDIB_Rgba; + } + return format; +} + +} // namespace + +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, +}; + +class CFX_BilinearMatrix : public CPDF_FixedMatrix { + public: + CFX_BilinearMatrix(const CFX_Matrix& src, int bits) + : CPDF_FixedMatrix(src, bits) {} + inline void Transform(int x, + int y, + int& x1, + int& y1, + int& res_x, + int& res_y) { + x1 = a * x + c * y + e + base / 2; + y1 = b * x + d * y + f + base / 2; + res_x = x1 % base; + res_y = y1 % base; + if (res_x < 0 && res_x > -base) { + res_x = base + res_x; + } + if (res_y < 0 && res_x > -base) { + res_y = base + res_y; + } + x1 /= base; + y1 /= base; + } +}; +CFX_DIBitmap* CFX_DIBSource::SwapXY(FX_BOOL bXFlip, + FX_BOOL bYFlip, + const FX_RECT* pDestClip) const { + FX_RECT dest_clip(0, 0, m_Height, m_Width); + if (pDestClip) { + dest_clip.Intersect(*pDestClip); + } + if (dest_clip.IsEmpty()) { + return NULL; + } + CFX_DIBitmap* pTransBitmap = new CFX_DIBitmap; + int result_height = dest_clip.Height(), result_width = dest_clip.Width(); + if (!pTransBitmap->Create(result_width, result_height, GetFormat())) { + delete pTransBitmap; + return NULL; + } + pTransBitmap->CopyPalette(m_pPalette); + int dest_pitch = pTransBitmap->GetPitch(); + uint8_t* dest_buf = pTransBitmap->GetBuffer(); + int row_start = bXFlip ? m_Height - dest_clip.right : dest_clip.left; + int row_end = bXFlip ? m_Height - dest_clip.left : dest_clip.right; + int col_start = bYFlip ? m_Width - dest_clip.bottom : dest_clip.top; + int col_end = bYFlip ? m_Width - dest_clip.top : dest_clip.bottom; + if (GetBPP() == 1) { + FXSYS_memset(dest_buf, 0xff, dest_pitch * result_height); + for (int row = row_start; row < row_end; row++) { + const uint8_t* src_scan = GetScanline(row); + int dest_col = (bXFlip ? dest_clip.right - (row - row_start) - 1 : row) - + dest_clip.left; + uint8_t* dest_scan = dest_buf; + if (bYFlip) { + dest_scan += (result_height - 1) * dest_pitch; + } + int dest_step = bYFlip ? -dest_pitch : dest_pitch; + for (int col = col_start; col < col_end; col++) { + if (!(src_scan[col / 8] & (1 << (7 - col % 8)))) { + dest_scan[dest_col / 8] &= ~(1 << (7 - dest_col % 8)); + } + dest_scan += dest_step; + } + } + } else { + int nBytes = GetBPP() / 8; + int dest_step = bYFlip ? -dest_pitch : dest_pitch; + if (nBytes == 3) { + dest_step -= 2; + } + for (int row = row_start; row < row_end; row++) { + int dest_col = (bXFlip ? dest_clip.right - (row - row_start) - 1 : row) - + dest_clip.left; + uint8_t* dest_scan = dest_buf + dest_col * nBytes; + if (bYFlip) { + dest_scan += (result_height - 1) * dest_pitch; + } + if (nBytes == 4) { + FX_DWORD* src_scan = (FX_DWORD*)GetScanline(row) + col_start; + for (int col = col_start; col < col_end; col++) { + *(FX_DWORD*)dest_scan = *src_scan++; + dest_scan += dest_step; + } + } else { + const uint8_t* src_scan = GetScanline(row) + col_start * nBytes; + if (nBytes == 1) { + for (int col = col_start; col < col_end; col++) { + *dest_scan = *src_scan++; + dest_scan += dest_step; + } + } else { + for (int col = col_start; col < col_end; col++) { + *dest_scan++ = *src_scan++; + *dest_scan++ = *src_scan++; + *dest_scan = *src_scan++; + dest_scan += dest_step; + } + } + } + } + } + if (m_pAlphaMask) { + dest_pitch = pTransBitmap->m_pAlphaMask->GetPitch(); + dest_buf = pTransBitmap->m_pAlphaMask->GetBuffer(); + int dest_step = bYFlip ? -dest_pitch : dest_pitch; + for (int row = row_start; row < row_end; row++) { + int dest_col = (bXFlip ? dest_clip.right - (row - row_start) - 1 : row) - + dest_clip.left; + uint8_t* dest_scan = dest_buf + dest_col; + if (bYFlip) { + dest_scan += (result_height - 1) * dest_pitch; + } + const uint8_t* src_scan = m_pAlphaMask->GetScanline(row) + col_start; + for (int col = col_start; col < col_end; col++) { + *dest_scan = *src_scan++; + dest_scan += dest_step; + } + } + } + return pTransBitmap; +} +#define FIX16_005 0.05f +FX_RECT FXDIB_SwapClipBox(FX_RECT& clip, + int width, + int height, + FX_BOOL bFlipX, + FX_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; +} +CFX_DIBitmap* CFX_DIBSource::TransformTo(const CFX_Matrix* pDestMatrix, + int& result_left, + int& result_top, + FX_DWORD flags, + const FX_RECT* pDestClip) const { + CFX_ImageTransformer transformer; + transformer.Start(this, pDestMatrix, flags, pDestClip); + transformer.Continue(NULL); + result_left = transformer.m_ResultLeft; + result_top = transformer.m_ResultTop; + CFX_DIBitmap* pTransformed = transformer.m_Storer.Detach(); + return pTransformed; +} +CFX_DIBitmap* CFX_DIBSource::StretchTo(int dest_width, + int dest_height, + FX_DWORD flags, + const FX_RECT* pClip) const { + FX_RECT clip_rect(0, 0, FXSYS_abs(dest_width), FXSYS_abs(dest_height)); + if (pClip) { + clip_rect.Intersect(*pClip); + } + if (clip_rect.IsEmpty()) { + return NULL; + } + if (dest_width == m_Width && dest_height == m_Height) { + return Clone(&clip_rect); + } + CFX_ImageStretcher stretcher; + CFX_BitmapStorer storer; + if (stretcher.Start(&storer, this, dest_width, dest_height, clip_rect, + flags)) { + stretcher.Continue(NULL); + } + return storer.Detach(); +} +CFX_ImageTransformer::CFX_ImageTransformer() { + m_Status = 0; + m_pMatrix = NULL; +} +CFX_ImageTransformer::~CFX_ImageTransformer() {} +FX_BOOL CFX_ImageTransformer::Start(const CFX_DIBSource* pSrc, + const CFX_Matrix* pDestMatrix, + int flags, + const FX_RECT* pDestClip) { + m_pMatrix = (CFX_Matrix*)pDestMatrix; + CFX_FloatRect unit_rect = pDestMatrix->GetUnitRect(); + FX_RECT result_rect = unit_rect.GetClosestRect(); + FX_RECT result_clip = result_rect; + if (pDestClip) { + result_clip.Intersect(*pDestClip); + } + if (result_clip.IsEmpty()) { + return FALSE; + } + m_ResultLeft = result_clip.left; + m_ResultTop = result_clip.top; + m_ResultWidth = result_clip.Width(); + m_ResultHeight = result_clip.Height(); + m_Flags = flags; + if (FXSYS_fabs(pDestMatrix->a) < FXSYS_fabs(pDestMatrix->b) / 20 && + FXSYS_fabs(pDestMatrix->d) < FXSYS_fabs(pDestMatrix->c) / 20 && + FXSYS_fabs(pDestMatrix->a) < 0.5f && FXSYS_fabs(pDestMatrix->d) < 0.5f) { + int dest_width = result_rect.Width(); + int dest_height = result_rect.Height(); + result_clip.Offset(-result_rect.left, -result_rect.top); + result_clip = FXDIB_SwapClipBox(result_clip, dest_width, dest_height, + pDestMatrix->c > 0, pDestMatrix->b < 0); + m_Stretcher.Start(&m_Storer, pSrc, dest_height, dest_width, result_clip, + flags); + m_Status = 1; + return TRUE; + } + if (FXSYS_fabs(pDestMatrix->b) < FIX16_005 && + FXSYS_fabs(pDestMatrix->c) < FIX16_005) { + int dest_width = pDestMatrix->a > 0 ? (int)FXSYS_ceil(pDestMatrix->a) + : (int)FXSYS_floor(pDestMatrix->a); + int dest_height = pDestMatrix->d > 0 ? (int)-FXSYS_ceil(pDestMatrix->d) + : (int)-FXSYS_floor(pDestMatrix->d); + result_clip.Offset(-result_rect.left, -result_rect.top); + m_Stretcher.Start(&m_Storer, pSrc, dest_width, dest_height, result_clip, + flags); + m_Status = 2; + return TRUE; + } + int stretch_width = + (int)FXSYS_ceil(FXSYS_sqrt2(pDestMatrix->a, pDestMatrix->b)); + int stretch_height = + (int)FXSYS_ceil(FXSYS_sqrt2(pDestMatrix->c, pDestMatrix->d)); + CFX_Matrix stretch2dest(1.0f, 0.0f, 0.0f, -1.0f, 0.0f, + (FX_FLOAT)(stretch_height)); + stretch2dest.Concat( + pDestMatrix->a / stretch_width, pDestMatrix->b / stretch_width, + pDestMatrix->c / stretch_height, pDestMatrix->d / stretch_height, + pDestMatrix->e, pDestMatrix->f); + m_dest2stretch.SetReverse(stretch2dest); + CFX_FloatRect clip_rect_f(result_clip); + clip_rect_f.Transform(&m_dest2stretch); + m_StretchClip = clip_rect_f.GetOutterRect(); + m_StretchClip.Intersect(0, 0, stretch_width, stretch_height); + m_Stretcher.Start(&m_Storer, pSrc, stretch_width, stretch_height, + m_StretchClip, flags); + m_Status = 3; + return TRUE; +} + +FX_BOOL CFX_ImageTransformer::Continue(IFX_Pause* pPause) { + if (m_Status == 1) { + if (m_Stretcher.Continue(pPause)) { + return TRUE; + } + if (m_Storer.GetBitmap()) { + m_Storer.Replace( + m_Storer.GetBitmap()->SwapXY(m_pMatrix->c > 0, m_pMatrix->b < 0)); + } + return FALSE; + } + if (m_Status == 2) { + return m_Stretcher.Continue(pPause); + } + if (m_Status != 3) { + return FALSE; + } + if (m_Stretcher.Continue(pPause)) { + return TRUE; + } + int stretch_width = m_StretchClip.Width(); + int stretch_height = m_StretchClip.Height(); + if (!m_Storer.GetBitmap()) { + return FALSE; + } + const uint8_t* stretch_buf = m_Storer.GetBitmap()->GetBuffer(); + const uint8_t* stretch_buf_mask = NULL; + if (m_Storer.GetBitmap()->m_pAlphaMask) { + stretch_buf_mask = m_Storer.GetBitmap()->m_pAlphaMask->GetBuffer(); + } + int stretch_pitch = m_Storer.GetBitmap()->GetPitch(); + CFX_DIBitmap* pTransformed = new CFX_DIBitmap; + FXDIB_Format transformF = GetTransformedFormat(m_Stretcher.m_pSource); + if (!pTransformed->Create(m_ResultWidth, m_ResultHeight, transformF)) { + delete pTransformed; + return FALSE; + } + pTransformed->Clear(0); + if (pTransformed->m_pAlphaMask) { + pTransformed->m_pAlphaMask->Clear(0); + } + CFX_Matrix result2stretch(1.0f, 0.0f, 0.0f, 1.0f, (FX_FLOAT)(m_ResultLeft), + (FX_FLOAT)(m_ResultTop)); + result2stretch.Concat(m_dest2stretch); + result2stretch.TranslateI(-m_StretchClip.left, -m_StretchClip.top); + if (!stretch_buf_mask && pTransformed->m_pAlphaMask) { + pTransformed->m_pAlphaMask->Clear(0xff000000); + } else if (pTransformed->m_pAlphaMask) { + int stretch_pitch_mask = m_Storer.GetBitmap()->m_pAlphaMask->GetPitch(); + if (!(m_Flags & FXDIB_DOWNSAMPLE) && !(m_Flags & FXDIB_BICUBIC_INTERPOL)) { + CFX_BilinearMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_pos_mask = + (uint8_t*)pTransformed->m_pAlphaMask->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col_l, src_row_l, res_x, res_y; + result2stretch_fix.Transform(col, row, src_col_l, src_row_l, res_x, + res_y); + if (src_col_l >= 0 && src_col_l <= stretch_width && src_row_l >= 0 && + src_row_l <= stretch_height) { + if (src_col_l == stretch_width) { + src_col_l--; + } + if (src_row_l == stretch_height) { + src_row_l--; + } + int src_col_r = src_col_l + 1; + int src_row_r = src_row_l + 1; + if (src_col_r == stretch_width) { + src_col_r--; + } + if (src_row_r == stretch_height) { + src_row_r--; + } + int row_offset_l = src_row_l * stretch_pitch_mask; + int row_offset_r = src_row_r * stretch_pitch_mask; + *dest_pos_mask = + bilinear_interpol(stretch_buf_mask, row_offset_l, row_offset_r, + src_col_l, src_col_r, res_x, res_y, 1, 0); + } + dest_pos_mask++; + } + } + } else if (m_Flags & FXDIB_BICUBIC_INTERPOL) { + CFX_BilinearMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_pos_mask = + (uint8_t*)pTransformed->m_pAlphaMask->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col_l, src_row_l, res_x, res_y; + result2stretch_fix.Transform(col, row, src_col_l, src_row_l, res_x, + res_y); + if (src_col_l >= 0 && src_col_l <= stretch_width && src_row_l >= 0 && + src_row_l <= stretch_height) { + int pos_pixel[8]; + int u_w[4], v_w[4]; + if (src_col_l == stretch_width) { + src_col_l--; + } + if (src_row_l == stretch_height) { + src_row_l--; + } + bicubic_get_pos_weight(pos_pixel, u_w, v_w, src_col_l, src_row_l, + res_x, res_y, stretch_width, stretch_height); + *dest_pos_mask = + bicubic_interpol(stretch_buf_mask, stretch_pitch_mask, + pos_pixel, u_w, v_w, res_x, res_y, 1, 0); + } + dest_pos_mask++; + } + } + } else { + CPDF_FixedMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_pos_mask = + (uint8_t*)pTransformed->m_pAlphaMask->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col, src_row; + result2stretch_fix.Transform(col, row, src_col, src_row); + if (src_col >= 0 && src_col <= stretch_width && src_row >= 0 && + src_row <= stretch_height) { + if (src_col == stretch_width) { + src_col--; + } + if (src_row == stretch_height) { + src_row--; + } + *dest_pos_mask = + stretch_buf_mask[src_row * stretch_pitch_mask + src_col]; + } + dest_pos_mask++; + } + } + } + } + if (m_Storer.GetBitmap()->IsAlphaMask()) { + if (!(m_Flags & FXDIB_DOWNSAMPLE) && !(m_Flags & FXDIB_BICUBIC_INTERPOL)) { + CFX_BilinearMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_scan = (uint8_t*)pTransformed->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col_l, src_row_l, res_x, res_y; + result2stretch_fix.Transform(col, row, src_col_l, src_row_l, res_x, + res_y); + if (src_col_l >= 0 && src_col_l <= stretch_width && src_row_l >= 0 && + src_row_l <= stretch_height) { + if (src_col_l == stretch_width) { + src_col_l--; + } + if (src_row_l == stretch_height) { + src_row_l--; + } + int src_col_r = src_col_l + 1; + int src_row_r = src_row_l + 1; + if (src_col_r == stretch_width) { + src_col_r--; + } + if (src_row_r == stretch_height) { + src_row_r--; + } + int row_offset_l = src_row_l * stretch_pitch; + int row_offset_r = src_row_r * stretch_pitch; + *dest_scan = + bilinear_interpol(stretch_buf, row_offset_l, row_offset_r, + src_col_l, src_col_r, res_x, res_y, 1, 0); + } + dest_scan++; + } + } + } else if (m_Flags & FXDIB_BICUBIC_INTERPOL) { + CFX_BilinearMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_scan = (uint8_t*)pTransformed->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col_l, src_row_l, res_x, res_y; + result2stretch_fix.Transform(col, row, src_col_l, src_row_l, res_x, + res_y); + if (src_col_l >= 0 && src_col_l <= stretch_width && src_row_l >= 0 && + src_row_l <= stretch_height) { + int pos_pixel[8]; + int u_w[4], v_w[4]; + if (src_col_l == stretch_width) { + src_col_l--; + } + if (src_row_l == stretch_height) { + src_row_l--; + } + bicubic_get_pos_weight(pos_pixel, u_w, v_w, src_col_l, src_row_l, + res_x, res_y, stretch_width, stretch_height); + *dest_scan = bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel, + u_w, v_w, res_x, res_y, 1, 0); + } + dest_scan++; + } + } + } else { + CPDF_FixedMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_scan = (uint8_t*)pTransformed->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col, src_row; + result2stretch_fix.Transform(col, row, src_col, src_row); + if (src_col >= 0 && src_col <= stretch_width && src_row >= 0 && + src_row <= stretch_height) { + if (src_col == stretch_width) { + src_col--; + } + if (src_row == stretch_height) { + src_row--; + } + const uint8_t* src_pixel = + stretch_buf + stretch_pitch * src_row + src_col; + *dest_scan = *src_pixel; + } + dest_scan++; + } + } + } + } else { + int Bpp = m_Storer.GetBitmap()->GetBPP() / 8; + int destBpp = pTransformed->GetBPP() / 8; + if (Bpp == 1) { + FX_DWORD argb[256]; + FX_ARGB* pPal = m_Storer.GetBitmap()->GetPalette(); + if (pPal) { + for (int i = 0; i < 256; i++) { + argb[i] = pPal[i]; + } + } else { + if (m_Storer.GetBitmap()->IsCmykImage()) { + for (int i = 0; i < 256; i++) { + argb[i] = 255 - i; + } + } else { + for (int i = 0; i < 256; i++) { + argb[i] = 0xff000000 | (i * 0x010101); + } + } + } + if (!(m_Flags & FXDIB_DOWNSAMPLE) && + !(m_Flags & FXDIB_BICUBIC_INTERPOL)) { + CFX_BilinearMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_pos = (uint8_t*)pTransformed->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col_l, src_row_l, res_x, res_y; + result2stretch_fix.Transform(col, row, src_col_l, src_row_l, res_x, + res_y); + if (src_col_l >= 0 && src_col_l <= stretch_width && + src_row_l >= 0 && src_row_l <= stretch_height) { + if (src_col_l == stretch_width) { + src_col_l--; + } + if (src_row_l == stretch_height) { + src_row_l--; + } + int src_col_r = src_col_l + 1; + int src_row_r = src_row_l + 1; + if (src_col_r == stretch_width) { + src_col_r--; + } + if (src_row_r == stretch_height) { + src_row_r--; + } + int row_offset_l = src_row_l * stretch_pitch; + int row_offset_r = src_row_r * stretch_pitch; + FX_DWORD r_bgra_cmyk = argb[bilinear_interpol( + stretch_buf, row_offset_l, row_offset_r, src_col_l, src_col_r, + res_x, res_y, 1, 0)]; + if (transformF == FXDIB_Rgba) { + dest_pos[0] = (uint8_t)(r_bgra_cmyk >> 24); + dest_pos[1] = (uint8_t)(r_bgra_cmyk >> 16); + dest_pos[2] = (uint8_t)(r_bgra_cmyk >> 8); + } else { + *(FX_DWORD*)dest_pos = r_bgra_cmyk; + } + } + dest_pos += destBpp; + } + } + } else if (m_Flags & FXDIB_BICUBIC_INTERPOL) { + CFX_BilinearMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_pos = (uint8_t*)pTransformed->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col_l, src_row_l, res_x, res_y; + result2stretch_fix.Transform(col, row, src_col_l, src_row_l, res_x, + res_y); + if (src_col_l >= 0 && src_col_l <= stretch_width && + src_row_l >= 0 && src_row_l <= stretch_height) { + int pos_pixel[8]; + int u_w[4], v_w[4]; + if (src_col_l == stretch_width) { + src_col_l--; + } + if (src_row_l == stretch_height) { + src_row_l--; + } + bicubic_get_pos_weight(pos_pixel, u_w, v_w, src_col_l, src_row_l, + res_x, res_y, stretch_width, + stretch_height); + FX_DWORD r_bgra_cmyk = + argb[bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel, + u_w, v_w, res_x, res_y, 1, 0)]; + if (transformF == FXDIB_Rgba) { + dest_pos[0] = (uint8_t)(r_bgra_cmyk >> 24); + dest_pos[1] = (uint8_t)(r_bgra_cmyk >> 16); + dest_pos[2] = (uint8_t)(r_bgra_cmyk >> 8); + } else { + *(FX_DWORD*)dest_pos = r_bgra_cmyk; + } + } + dest_pos += destBpp; + } + } + } else { + CPDF_FixedMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_pos = (uint8_t*)pTransformed->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col, src_row; + result2stretch_fix.Transform(col, row, src_col, src_row); + if (src_col >= 0 && src_col <= stretch_width && src_row >= 0 && + src_row <= stretch_height) { + if (src_col == stretch_width) { + src_col--; + } + if (src_row == stretch_height) { + src_row--; + } + FX_DWORD r_bgra_cmyk = + argb[stretch_buf[src_row * stretch_pitch + src_col]]; + if (transformF == FXDIB_Rgba) { + dest_pos[0] = (uint8_t)(r_bgra_cmyk >> 24); + dest_pos[1] = (uint8_t)(r_bgra_cmyk >> 16); + dest_pos[2] = (uint8_t)(r_bgra_cmyk >> 8); + } else { + *(FX_DWORD*)dest_pos = r_bgra_cmyk; + } + } + dest_pos += destBpp; + } + } + } + } else { + FX_BOOL bHasAlpha = m_Storer.GetBitmap()->HasAlpha(); + int destBpp = pTransformed->GetBPP() / 8; + if (!(m_Flags & FXDIB_DOWNSAMPLE) && + !(m_Flags & FXDIB_BICUBIC_INTERPOL)) { + CFX_BilinearMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_pos = (uint8_t*)pTransformed->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col_l, src_row_l, res_x, res_y, r_pos_k_r = 0; + result2stretch_fix.Transform(col, row, src_col_l, src_row_l, res_x, + res_y); + if (src_col_l >= 0 && src_col_l <= stretch_width && + src_row_l >= 0 && src_row_l <= stretch_height) { + if (src_col_l == stretch_width) { + src_col_l--; + } + if (src_row_l == stretch_height) { + src_row_l--; + } + int src_col_r = src_col_l + 1; + int src_row_r = src_row_l + 1; + if (src_col_r == stretch_width) { + src_col_r--; + } + if (src_row_r == stretch_height) { + src_row_r--; + } + int row_offset_l = src_row_l * stretch_pitch; + int row_offset_r = src_row_r * stretch_pitch; + uint8_t r_pos_red_y_r = + bilinear_interpol(stretch_buf, row_offset_l, row_offset_r, + src_col_l, src_col_r, res_x, res_y, Bpp, 2); + uint8_t r_pos_green_m_r = + bilinear_interpol(stretch_buf, row_offset_l, row_offset_r, + src_col_l, src_col_r, res_x, res_y, Bpp, 1); + uint8_t r_pos_blue_c_r = + bilinear_interpol(stretch_buf, row_offset_l, row_offset_r, + src_col_l, src_col_r, res_x, res_y, Bpp, 0); + if (bHasAlpha) { + if (transformF != FXDIB_Argb) { + if (transformF == FXDIB_Rgba) { + dest_pos[0] = r_pos_blue_c_r; + dest_pos[1] = r_pos_green_m_r; + dest_pos[2] = r_pos_red_y_r; + } else { + r_pos_k_r = bilinear_interpol( + stretch_buf, row_offset_l, row_offset_r, src_col_l, + src_col_r, res_x, res_y, Bpp, 3); + *(FX_DWORD*)dest_pos = + FXCMYK_TODIB(CmykEncode(r_pos_blue_c_r, r_pos_green_m_r, + r_pos_red_y_r, r_pos_k_r)); + } + } else { + uint8_t r_pos_a_r = bilinear_interpol( + stretch_buf, row_offset_l, row_offset_r, src_col_l, + src_col_r, res_x, res_y, Bpp, 3); + *(FX_DWORD*)dest_pos = FXARGB_TODIB( + FXARGB_MAKE(r_pos_a_r, r_pos_red_y_r, r_pos_green_m_r, + r_pos_blue_c_r)); + } + } else { + r_pos_k_r = 0xff; + if (transformF == FXDIB_Cmyka) { + r_pos_k_r = bilinear_interpol( + stretch_buf, row_offset_l, row_offset_r, src_col_l, + src_col_r, res_x, res_y, Bpp, 3); + *(FX_DWORD*)dest_pos = + FXCMYK_TODIB(CmykEncode(r_pos_blue_c_r, r_pos_green_m_r, + r_pos_red_y_r, r_pos_k_r)); + } else { + *(FX_DWORD*)dest_pos = FXARGB_TODIB( + FXARGB_MAKE(r_pos_k_r, r_pos_red_y_r, r_pos_green_m_r, + r_pos_blue_c_r)); + } + } + } + dest_pos += destBpp; + } + } + } else if (m_Flags & FXDIB_BICUBIC_INTERPOL) { + CFX_BilinearMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_pos = (uint8_t*)pTransformed->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col_l, src_row_l, res_x, res_y, r_pos_k_r = 0; + result2stretch_fix.Transform(col, row, src_col_l, src_row_l, res_x, + res_y); + if (src_col_l >= 0 && src_col_l <= stretch_width && + src_row_l >= 0 && src_row_l <= stretch_height) { + int pos_pixel[8]; + int u_w[4], v_w[4]; + if (src_col_l == stretch_width) { + src_col_l--; + } + if (src_row_l == stretch_height) { + src_row_l--; + } + bicubic_get_pos_weight(pos_pixel, u_w, v_w, src_col_l, src_row_l, + res_x, res_y, stretch_width, + stretch_height); + uint8_t r_pos_red_y_r = + bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel, u_w, + v_w, res_x, res_y, Bpp, 2); + uint8_t r_pos_green_m_r = + bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel, u_w, + v_w, res_x, res_y, Bpp, 1); + uint8_t r_pos_blue_c_r = + bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel, u_w, + v_w, res_x, res_y, Bpp, 0); + if (bHasAlpha) { + if (transformF != FXDIB_Argb) { + if (transformF == FXDIB_Rgba) { + dest_pos[0] = r_pos_blue_c_r; + dest_pos[1] = r_pos_green_m_r; + dest_pos[2] = r_pos_red_y_r; + } else { + r_pos_k_r = + bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel, + u_w, v_w, res_x, res_y, Bpp, 3); + *(FX_DWORD*)dest_pos = + FXCMYK_TODIB(CmykEncode(r_pos_blue_c_r, r_pos_green_m_r, + r_pos_red_y_r, r_pos_k_r)); + } + } else { + uint8_t r_pos_a_r = + bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel, + u_w, v_w, res_x, res_y, Bpp, 3); + *(FX_DWORD*)dest_pos = FXARGB_TODIB( + FXARGB_MAKE(r_pos_a_r, r_pos_red_y_r, r_pos_green_m_r, + r_pos_blue_c_r)); + } + } else { + r_pos_k_r = 0xff; + if (transformF == FXDIB_Cmyka) { + r_pos_k_r = + bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel, + u_w, v_w, res_x, res_y, Bpp, 3); + *(FX_DWORD*)dest_pos = + FXCMYK_TODIB(CmykEncode(r_pos_blue_c_r, r_pos_green_m_r, + r_pos_red_y_r, r_pos_k_r)); + } else { + *(FX_DWORD*)dest_pos = FXARGB_TODIB( + FXARGB_MAKE(r_pos_k_r, r_pos_red_y_r, r_pos_green_m_r, + r_pos_blue_c_r)); + } + } + } + dest_pos += destBpp; + } + } + } else { + CPDF_FixedMatrix result2stretch_fix(result2stretch, 8); + for (int row = 0; row < m_ResultHeight; row++) { + uint8_t* dest_pos = (uint8_t*)pTransformed->GetScanline(row); + for (int col = 0; col < m_ResultWidth; col++) { + int src_col, src_row; + result2stretch_fix.Transform(col, row, src_col, src_row); + if (src_col >= 0 && src_col <= stretch_width && src_row >= 0 && + src_row <= stretch_height) { + if (src_col == stretch_width) { + src_col--; + } + if (src_row == stretch_height) { + src_row--; + } + const uint8_t* src_pos = + stretch_buf + src_row * stretch_pitch + src_col * Bpp; + if (bHasAlpha) { + if (transformF != FXDIB_Argb) { + if (transformF == FXDIB_Rgba) { + dest_pos[0] = src_pos[0]; + dest_pos[1] = src_pos[1]; + dest_pos[2] = src_pos[2]; + } else { + *(FX_DWORD*)dest_pos = FXCMYK_TODIB(CmykEncode( + src_pos[0], src_pos[1], src_pos[2], src_pos[3])); + } + } else { + *(FX_DWORD*)dest_pos = FXARGB_TODIB(FXARGB_MAKE( + src_pos[3], src_pos[2], src_pos[1], src_pos[0])); + } + } else { + if (transformF == FXDIB_Cmyka) { + *(FX_DWORD*)dest_pos = FXCMYK_TODIB(CmykEncode( + src_pos[0], src_pos[1], src_pos[2], src_pos[3])); + } else { + *(FX_DWORD*)dest_pos = FXARGB_TODIB( + FXARGB_MAKE(0xff, src_pos[2], src_pos[1], src_pos[0])); + } + } + } + dest_pos += destBpp; + } + } + } + } + } + m_Storer.Replace(pTransformed); + return FALSE; +} -- cgit v1.2.3