summaryrefslogtreecommitdiff
path: root/core/src/fxge/dib/fx_dib_transform.cpp
diff options
context:
space:
mode:
authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
commit764ec513eecbebd12781bcc96ce81ed5e736ee92 (patch)
tree12763fde4be1f10ea1183d92185917b2b587e00b /core/src/fxge/dib/fx_dib_transform.cpp
parent97da97662417085774f75c26e535c6fbe70266ae (diff)
downloadpdfium-764ec513eecbebd12781bcc96ce81ed5e736ee92.tar.xz
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 .
Diffstat (limited to 'core/src/fxge/dib/fx_dib_transform.cpp')
-rw-r--r--core/src/fxge/dib/fx_dib_transform.cpp948
1 files changed, 0 insertions, 948 deletions
diff --git a/core/src/fxge/dib/fx_dib_transform.cpp b/core/src/fxge/dib/fx_dib_transform.cpp
deleted file mode 100644
index 01c37d207e..0000000000
--- a/core/src/fxge/dib/fx_dib_transform.cpp
+++ /dev/null
@@ -1,948 +0,0 @@
-// 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/src/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;
-}