diff options
Diffstat (limited to 'core/src/fxcodec/codec/fx_codec_progress.cpp')
| -rw-r--r-- | core/src/fxcodec/codec/fx_codec_progress.cpp | 2299 |
1 files changed, 0 insertions, 2299 deletions
diff --git a/core/src/fxcodec/codec/fx_codec_progress.cpp b/core/src/fxcodec/codec/fx_codec_progress.cpp deleted file mode 100644 index 5d8502a87a..0000000000 --- a/core/src/fxcodec/codec/fx_codec_progress.cpp +++ /dev/null @@ -1,2299 +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/include/fxcodec/fx_codec.h" -#include "core/include/fxge/fx_dib.h" -#include "core/src/fxcodec/codec/fx_codec_progress.h" -void CFXCODEC_WeightTable::Calc(int dest_len, - int dest_min, - int dest_max, - int src_len, - int src_min, - int src_max, - FX_BOOL bInterpol) { - if (m_pWeightTables) { - FX_Free(m_pWeightTables); - } - double scale, base; - scale = (FX_FLOAT)src_len / (FX_FLOAT)dest_len; - if (dest_len < 0) { - base = (FX_FLOAT)(src_len); - } else { - base = 0.0f; - } - m_ItemSize = - (int)(sizeof(int) * 2 + - sizeof(int) * (FXSYS_ceil(FXSYS_fabs((FX_FLOAT)scale)) + 1)); - m_DestMin = dest_min; - m_pWeightTables = FX_Alloc(uint8_t, (dest_max - dest_min) * m_ItemSize + 4); - if (m_pWeightTables == NULL) { - return; - } - if (FXSYS_fabs((FX_FLOAT)scale) < 1.0f) { - for (int dest_pixel = dest_min; dest_pixel < dest_max; dest_pixel++) { - PixelWeight& pixel_weights = *GetPixelWeight(dest_pixel); - double src_pos = dest_pixel * scale + scale / 2 + base; - if (bInterpol) { - pixel_weights.m_SrcStart = - (int)FXSYS_floor((FX_FLOAT)src_pos - 1.0f / 2); - pixel_weights.m_SrcEnd = (int)FXSYS_floor((FX_FLOAT)src_pos + 1.0f / 2); - if (pixel_weights.m_SrcStart < src_min) { - pixel_weights.m_SrcStart = src_min; - } - if (pixel_weights.m_SrcEnd >= src_max) { - pixel_weights.m_SrcEnd = src_max - 1; - } - if (pixel_weights.m_SrcStart == pixel_weights.m_SrcEnd) { - pixel_weights.m_Weights[0] = 65536; - } else { - pixel_weights.m_Weights[1] = FXSYS_round( - (FX_FLOAT)(src_pos - pixel_weights.m_SrcStart - 1.0f / 2) * - 65536); - pixel_weights.m_Weights[0] = 65536 - pixel_weights.m_Weights[1]; - } - } else { - pixel_weights.m_SrcStart = pixel_weights.m_SrcEnd = - (int)FXSYS_floor((FX_FLOAT)src_pos); - pixel_weights.m_Weights[0] = 65536; - } - } - return; - } - for (int dest_pixel = dest_min; dest_pixel < dest_max; dest_pixel++) { - PixelWeight& pixel_weights = *GetPixelWeight(dest_pixel); - double src_start = dest_pixel * scale + base; - double src_end = src_start + scale; - int start_i, end_i; - if (src_start < src_end) { - start_i = (int)FXSYS_floor((FX_FLOAT)src_start); - end_i = (int)FXSYS_ceil((FX_FLOAT)src_end); - } else { - start_i = (int)FXSYS_floor((FX_FLOAT)src_end); - end_i = (int)FXSYS_ceil((FX_FLOAT)src_start); - } - if (start_i < src_min) { - start_i = src_min; - } - if (end_i >= src_max) { - end_i = src_max - 1; - } - if (start_i > end_i) { - pixel_weights.m_SrcStart = start_i; - pixel_weights.m_SrcEnd = start_i; - continue; - } - pixel_weights.m_SrcStart = start_i; - pixel_weights.m_SrcEnd = end_i; - for (int j = start_i; j <= end_i; j++) { - double dest_start = ((FX_FLOAT)j - base) / scale; - double dest_end = ((FX_FLOAT)(j + 1) - base) / scale; - if (dest_start > dest_end) { - double temp = dest_start; - dest_start = dest_end; - dest_end = temp; - } - double area_start = dest_start > (FX_FLOAT)(dest_pixel) - ? dest_start - : (FX_FLOAT)(dest_pixel); - double area_end = dest_end > (FX_FLOAT)(dest_pixel + 1) - ? (FX_FLOAT)(dest_pixel + 1) - : dest_end; - double weight = area_start >= area_end ? 0.0f : area_end - area_start; - if (weight == 0 && j == end_i) { - pixel_weights.m_SrcEnd--; - break; - } - pixel_weights.m_Weights[j - start_i] = - FXSYS_round((FX_FLOAT)(weight * 65536)); - } - } -} -void CFXCODEC_HorzTable::Calc(int dest_len, int src_len, FX_BOOL bInterpol) { - if (m_pWeightTables) { - FX_Free(m_pWeightTables); - } - double scale = (double)dest_len / (double)src_len; - m_ItemSize = sizeof(int) * 4; - int size = dest_len * m_ItemSize + 4; - m_pWeightTables = FX_Alloc(uint8_t, size); - if (m_pWeightTables == NULL) { - return; - } - FXSYS_memset(m_pWeightTables, 0, size); - if (scale > 1) { - int pre_des_col = 0; - for (int src_col = 0; src_col < src_len; src_col++) { - double des_col_f = src_col * scale; - int des_col = FXSYS_round((FX_FLOAT)des_col_f); - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + des_col * m_ItemSize); - pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - if (src_col == src_len - 1 && des_col < dest_len - 1) { - for (int des_col_index = pre_des_col + 1; des_col_index < dest_len; - des_col_index++) { - pWeight = - (PixelWeight*)(m_pWeightTables + des_col_index * m_ItemSize); - pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - } - return; - } - int des_col_len = des_col - pre_des_col; - for (int des_col_index = pre_des_col + 1; des_col_index < des_col; - des_col_index++) { - pWeight = (PixelWeight*)(m_pWeightTables + des_col_index * m_ItemSize); - pWeight->m_SrcStart = src_col - 1; - pWeight->m_SrcEnd = src_col; - pWeight->m_Weights[0] = - bInterpol ? FXSYS_round((FX_FLOAT)( - ((FX_FLOAT)des_col - (FX_FLOAT)des_col_index) / - (FX_FLOAT)des_col_len * 65536)) - : 65536; - pWeight->m_Weights[1] = 65536 - pWeight->m_Weights[0]; - } - pre_des_col = des_col; - } - return; - } - for (int des_col = 0; des_col < dest_len; des_col++) { - double src_col_f = des_col / scale; - int src_col = FXSYS_round((FX_FLOAT)src_col_f); - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + des_col * m_ItemSize); - pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - } -} -void CFXCODEC_VertTable::Calc(int dest_len, int src_len) { - if (m_pWeightTables) { - FX_Free(m_pWeightTables); - } - double scale = (double)dest_len / (double)src_len; - m_ItemSize = sizeof(int) * 4; - int size = dest_len * m_ItemSize + 4; - m_pWeightTables = FX_Alloc(uint8_t, size); - if (m_pWeightTables == NULL) { - return; - } - FXSYS_memset(m_pWeightTables, 0, size); - if (scale > 1) { - double step = 0.0; - int src_row = 0; - while (step < (double)dest_len) { - int start_step = (int)step; - step = scale * (++src_row); - int end_step = (int)step; - if (end_step >= dest_len) { - end_step = dest_len; - for (int des_row = start_step; des_row < end_step; des_row++) { - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize); - pWeight->m_SrcStart = start_step; - pWeight->m_SrcEnd = start_step; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - } - return; - } - int length = end_step - start_step; - { - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + start_step * m_ItemSize); - pWeight->m_SrcStart = start_step; - pWeight->m_SrcEnd = start_step; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - } - for (int des_row = start_step + 1; des_row < end_step; des_row++) { - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize); - pWeight->m_SrcStart = start_step; - pWeight->m_SrcEnd = end_step; - pWeight->m_Weights[0] = FXSYS_round((FX_FLOAT)(end_step - des_row) / - (FX_FLOAT)length * 65536); - pWeight->m_Weights[1] = 65536 - pWeight->m_Weights[0]; - } - } - } else { - for (int des_row = 0; des_row < dest_len; des_row++) { - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize); - pWeight->m_SrcStart = des_row; - pWeight->m_SrcEnd = des_row; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - } - } -} -CCodec_ProgressiveDecoder::CCodec_ProgressiveDecoder( - CCodec_ModuleMgr* pCodecMgr) { - m_pFile = NULL; - m_pJpegContext = NULL; - m_pPngContext = NULL; - m_pGifContext = NULL; - m_pBmpContext = NULL; - m_pTiffContext = NULL; - m_pCodecMgr = NULL; - m_pSrcBuf = NULL; - m_pDecodeBuf = NULL; - m_pDeviceBitmap = NULL; - m_pSrcPalette = NULL; - m_pCodecMgr = pCodecMgr; - m_offSet = 0; - m_SrcSize = 0; - m_ScanlineSize = 0; - m_SrcWidth = m_SrcHeight = 0; - m_SrcComponents = 0; - m_SrcBPC = 0; - m_SrcPassNumber = 0; - m_clipBox = FX_RECT(0, 0, 0, 0); - m_imagType = FXCODEC_IMAGE_UNKNOWN; - m_status = FXCODEC_STATUS_DECODE_FINISH; - m_TransMethod = -1; - m_SrcRow = 0; - m_SrcFormat = FXCodec_Invalid; - m_bInterpol = TRUE; - m_FrameNumber = 0; - m_FrameCur = 0; - m_SrcPaletteNumber = 0; - m_GifPltNumber = 0; - m_GifBgIndex = 0; - m_pGifPalette = NULL; - m_GifTransIndex = -1; - m_GifFrameRect = FX_RECT(0, 0, 0, 0); - m_BmpIsTopBottom = FALSE; -} -CCodec_ProgressiveDecoder::~CCodec_ProgressiveDecoder() { - m_pFile = NULL; - if (m_pJpegContext) { - m_pCodecMgr->GetJpegModule()->Finish(m_pJpegContext); - } - if (m_pPngContext) { - m_pCodecMgr->GetPngModule()->Finish(m_pPngContext); - } - if (m_pGifContext) { - m_pCodecMgr->GetGifModule()->Finish(m_pGifContext); - } - if (m_pBmpContext) { - m_pCodecMgr->GetBmpModule()->Finish(m_pBmpContext); - } - if (m_pTiffContext) { - m_pCodecMgr->GetTiffModule()->DestroyDecoder(m_pTiffContext); - } - FX_Free(m_pSrcBuf); - FX_Free(m_pDecodeBuf); - FX_Free(m_pSrcPalette); -} -FX_BOOL CCodec_ProgressiveDecoder::JpegReadMoreData( - ICodec_JpegModule* pJpegModule, - FXCODEC_STATUS& err_status) { - FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize(); - if (dwSize <= m_offSet) { - return FALSE; - } - dwSize = dwSize - m_offSet; - FX_DWORD dwAvail = pJpegModule->GetAvailInput(m_pJpegContext, NULL); - if (dwAvail == m_SrcSize) { - if (dwSize > FXCODEC_BLOCK_SIZE) { - dwSize = FXCODEC_BLOCK_SIZE; - } - m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) / - FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE; - m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize); - if (!m_pSrcBuf) { - err_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - } else { - FX_DWORD dwConsume = m_SrcSize - dwAvail; - if (dwAvail) { - FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail); - } - if (dwSize > dwConsume) { - dwSize = dwConsume; - } - } - if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) { - err_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += dwSize; - pJpegModule->Input(m_pJpegContext, m_pSrcBuf, dwSize + dwAvail); - return TRUE; -} -FX_BOOL CCodec_ProgressiveDecoder::PngReadHeaderFunc(void* pModule, - int width, - int height, - int bpc, - int pass, - int* color_type, - double* gamma) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - if (pCodec->m_pDeviceBitmap == NULL) { - pCodec->m_SrcWidth = width; - pCodec->m_SrcHeight = height; - pCodec->m_SrcBPC = bpc; - pCodec->m_SrcPassNumber = pass; - pCodec->m_SrcComponents = - *color_type == 0 ? 1 : *color_type == 2 - ? 3 - : *color_type == 3 - ? 4 - : *color_type == 4 - ? 2 - : *color_type == 6 ? 4 : 0; - pCodec->m_clipBox = FX_RECT(0, 0, width, height); - return FALSE; - } - FXDIB_Format format = pCodec->m_pDeviceBitmap->GetFormat(); - switch (format) { - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - ASSERT(FALSE); - return FALSE; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: - *color_type = 0; - break; - case FXDIB_Rgb: - *color_type = 2; - break; - case FXDIB_Rgb32: - case FXDIB_Argb: - *color_type = 6; - break; - default: - ASSERT(FALSE); - return FALSE; - } - *gamma = FXCODEC_PNG_GAMMA; - return TRUE; -} -FX_BOOL CCodec_ProgressiveDecoder::PngAskScanlineBufFunc(void* pModule, - int line, - uint8_t*& src_buf) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap; - if (!pDIBitmap) { - ASSERT(false); - return FALSE; - } - if (line >= pCodec->m_clipBox.top && line < pCodec->m_clipBox.bottom) { - double scale_y = - (double)pCodec->m_sizeY / (double)pCodec->m_clipBox.Height(); - int32_t row = - (int32_t)((line - pCodec->m_clipBox.top) * scale_y) + pCodec->m_startY; - uint8_t* src_scan = (uint8_t*)pDIBitmap->GetScanline(row); - uint8_t* des_scan = pCodec->m_pDecodeBuf; - src_buf = pCodec->m_pDecodeBuf; - int32_t src_Bpp = pDIBitmap->GetBPP() >> 3; - int32_t des_Bpp = (pCodec->m_SrcFormat & 0xff) >> 3; - int32_t src_left = pCodec->m_startX; - int32_t des_left = pCodec->m_clipBox.left; - src_scan += src_left * src_Bpp; - des_scan += des_left * des_Bpp; - for (int32_t src_col = 0; src_col < pCodec->m_sizeX; src_col++) { - PixelWeight* pPixelWeights = - pCodec->m_WeightHorzOO.GetPixelWeight(src_col); - if (pPixelWeights->m_SrcStart != pPixelWeights->m_SrcEnd) { - continue; - } - switch (pDIBitmap->GetFormat()) { - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - ASSERT(FALSE); - return FALSE; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - if (pDIBitmap->GetPalette()) { - return FALSE; - } - FX_DWORD des_g = 0; - des_g += pPixelWeights->m_Weights[0] * src_scan[src_col]; - des_scan[pPixelWeights->m_SrcStart] = (uint8_t)(des_g >> 16); - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - const uint8_t* p = src_scan + src_col * src_Bpp; - des_b += pPixelWeights->m_Weights[0] * (*p++); - des_g += pPixelWeights->m_Weights[0] * (*p++); - des_r += pPixelWeights->m_Weights[0] * (*p); - uint8_t* pDes = &des_scan[pPixelWeights->m_SrcStart * des_Bpp]; - *pDes++ = (uint8_t)((des_b) >> 16); - *pDes++ = (uint8_t)((des_g) >> 16); - *pDes = (uint8_t)((des_r) >> 16); - } break; - case FXDIB_Argb: { - FX_DWORD des_r = 0, des_g = 0, des_b = 0; - const uint8_t* p = src_scan + src_col * src_Bpp; - des_b += pPixelWeights->m_Weights[0] * (*p++); - des_g += pPixelWeights->m_Weights[0] * (*p++); - des_r += pPixelWeights->m_Weights[0] * (*p++); - uint8_t* pDes = &des_scan[pPixelWeights->m_SrcStart * des_Bpp]; - *pDes++ = (uint8_t)((des_b) >> 16); - *pDes++ = (uint8_t)((des_g) >> 16); - *pDes++ = (uint8_t)((des_r) >> 16); - *pDes = *p; - } break; - default: - return FALSE; - } - } - } - return TRUE; -} -void CCodec_ProgressiveDecoder::PngOneOneMapResampleHorz( - CFX_DIBitmap* pDeviceBitmap, - int32_t des_line, - uint8_t* src_scan, - FXCodec_Format src_format) { - uint8_t* des_scan = (uint8_t*)pDeviceBitmap->GetScanline(des_line); - int32_t src_Bpp = (m_SrcFormat & 0xff) >> 3; - int32_t des_Bpp = pDeviceBitmap->GetBPP() >> 3; - int32_t src_left = m_clipBox.left; - int32_t des_left = m_startX; - src_scan += src_left * src_Bpp; - des_scan += des_left * des_Bpp; - for (int32_t des_col = 0; des_col < m_sizeX; des_col++) { - PixelWeight* pPixelWeights = m_WeightHorzOO.GetPixelWeight(des_col); - switch (pDeviceBitmap->GetFormat()) { - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - ASSERT(FALSE); - return; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - if (pDeviceBitmap->GetPalette()) { - return; - } - FX_DWORD des_g = 0; - des_g += - pPixelWeights->m_Weights[0] * src_scan[pPixelWeights->m_SrcStart]; - des_g += - pPixelWeights->m_Weights[1] * src_scan[pPixelWeights->m_SrcEnd]; - *des_scan++ = (uint8_t)(des_g >> 16); - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - const uint8_t* p = src_scan; - p = src_scan + pPixelWeights->m_SrcStart * src_Bpp; - des_b += pPixelWeights->m_Weights[0] * (*p++); - des_g += pPixelWeights->m_Weights[0] * (*p++); - des_r += pPixelWeights->m_Weights[0] * (*p); - p = src_scan + pPixelWeights->m_SrcEnd * src_Bpp; - des_b += pPixelWeights->m_Weights[1] * (*p++); - des_g += pPixelWeights->m_Weights[1] * (*p++); - des_r += pPixelWeights->m_Weights[1] * (*p); - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - des_scan += des_Bpp - 3; - } break; - case FXDIB_Argb: { - FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0; - const uint8_t* p = src_scan; - p = src_scan + pPixelWeights->m_SrcStart * src_Bpp; - des_b += pPixelWeights->m_Weights[0] * (*p++); - des_g += pPixelWeights->m_Weights[0] * (*p++); - des_r += pPixelWeights->m_Weights[0] * (*p++); - des_a += pPixelWeights->m_Weights[0] * (*p); - p = src_scan + pPixelWeights->m_SrcEnd * src_Bpp; - des_b += pPixelWeights->m_Weights[1] * (*p++); - des_g += pPixelWeights->m_Weights[1] * (*p++); - des_r += pPixelWeights->m_Weights[1] * (*p++); - des_a += pPixelWeights->m_Weights[1] * (*p); - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - *des_scan++ = (uint8_t)((des_a) >> 16); - } break; - default: - return; - } - } -} -void CCodec_ProgressiveDecoder::PngFillScanlineBufCompletedFunc(void* pModule, - int pass, - int line) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap; - ASSERT(pDIBitmap); - int src_top = pCodec->m_clipBox.top; - int src_bottom = pCodec->m_clipBox.bottom; - int des_top = pCodec->m_startY; - int src_hei = pCodec->m_clipBox.Height(); - int des_hei = pCodec->m_sizeY; - if (line >= src_top && line < src_bottom) { - double scale_y = (double)des_hei / (double)src_hei; - int src_row = line - src_top; - int des_row = (int)(src_row * scale_y) + des_top; - if (des_row >= des_top + des_hei) { - return; - } - pCodec->PngOneOneMapResampleHorz(pDIBitmap, des_row, pCodec->m_pDecodeBuf, - pCodec->m_SrcFormat); - if (pCodec->m_SrcPassNumber == 1 && scale_y > 1.0) { - pCodec->ResampleVert(pDIBitmap, scale_y, des_row); - return; - } - if (pass == 6 && scale_y > 1.0) { - pCodec->ResampleVert(pDIBitmap, scale_y, des_row); - } - } -} -FX_BOOL CCodec_ProgressiveDecoder::GifReadMoreData(ICodec_GifModule* pGifModule, - FXCODEC_STATUS& err_status) { - FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize(); - if (dwSize <= m_offSet) { - return FALSE; - } - dwSize = dwSize - m_offSet; - FX_DWORD dwAvail = pGifModule->GetAvailInput(m_pGifContext, NULL); - if (dwAvail == m_SrcSize) { - if (dwSize > FXCODEC_BLOCK_SIZE) { - dwSize = FXCODEC_BLOCK_SIZE; - } - m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) / - FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE; - m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize); - if (!m_pSrcBuf) { - err_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - } else { - FX_DWORD dwConsume = m_SrcSize - dwAvail; - if (dwAvail) { - FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail); - } - if (dwSize > dwConsume) { - dwSize = dwConsume; - } - } - if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) { - err_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += dwSize; - pGifModule->Input(m_pGifContext, m_pSrcBuf, dwSize + dwAvail); - return TRUE; -} -void CCodec_ProgressiveDecoder::GifRecordCurrentPositionCallback( - void* pModule, - FX_DWORD& cur_pos) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - FX_DWORD remain_size = - pCodec->m_pCodecMgr->GetGifModule()->GetAvailInput(pCodec->m_pGifContext); - cur_pos = pCodec->m_offSet - remain_size; -} -uint8_t* CCodec_ProgressiveDecoder::GifAskLocalPaletteBufCallback( - void* pModule, - int32_t frame_num, - int32_t pal_size) { - return FX_Alloc(uint8_t, pal_size); -} -FX_BOOL CCodec_ProgressiveDecoder::GifInputRecordPositionBufCallback( - void* pModule, - FX_DWORD rcd_pos, - const FX_RECT& img_rc, - int32_t pal_num, - void* pal_ptr, - int32_t delay_time, - FX_BOOL user_input, - int32_t trans_index, - int32_t disposal_method, - FX_BOOL interlace) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - pCodec->m_offSet = rcd_pos; - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR; - if (!pCodec->GifReadMoreData(pCodec->m_pCodecMgr->GetGifModule(), - error_status)) { - return FALSE; - } - uint8_t* pPalette = NULL; - if (pal_num != 0 && pal_ptr) { - pPalette = (uint8_t*)pal_ptr; - } else { - pal_num = pCodec->m_GifPltNumber; - pPalette = pCodec->m_pGifPalette; - } - if (pCodec->m_pSrcPalette == NULL) { - pCodec->m_pSrcPalette = FX_Alloc(FX_ARGB, pal_num); - } else if (pal_num > pCodec->m_SrcPaletteNumber) { - pCodec->m_pSrcPalette = FX_Realloc(FX_ARGB, pCodec->m_pSrcPalette, pal_num); - } - if (pCodec->m_pSrcPalette == NULL) { - return FALSE; - } - pCodec->m_SrcPaletteNumber = pal_num; - for (int i = 0; i < pal_num; i++) { - FX_DWORD j = i * 3; - pCodec->m_pSrcPalette[i] = - ArgbEncode(0xff, pPalette[j], pPalette[j + 1], pPalette[j + 2]); - } - pCodec->m_GifTransIndex = trans_index; - pCodec->m_GifFrameRect = img_rc; - pCodec->m_SrcPassNumber = interlace ? 4 : 1; - int32_t pal_index = pCodec->m_GifBgIndex; - CFX_DIBitmap* pDevice = pCodec->m_pDeviceBitmap; - if (trans_index >= pal_num) { - trans_index = -1; - } - if (trans_index != -1) { - pCodec->m_pSrcPalette[trans_index] &= 0x00ffffff; - if (pDevice->HasAlpha()) { - pal_index = trans_index; - } - } - int startX = pCodec->m_startX; - int startY = pCodec->m_startY; - int sizeX = pCodec->m_sizeX; - int sizeY = pCodec->m_sizeY; - int Bpp = pDevice->GetBPP() / 8; - FX_ARGB argb = pCodec->m_pSrcPalette[pal_index]; - for (int row = 0; row < sizeY; row++) { - uint8_t* pScanline = - (uint8_t*)pDevice->GetScanline(row + startY) + startX * Bpp; - switch (pCodec->m_TransMethod) { - case 3: { - uint8_t gray = - FXRGB2GRAY(FXARGB_R(argb), FXARGB_G(argb), FXARGB_B(argb)); - FXSYS_memset(pScanline, gray, sizeX); - break; - } - case 8: { - for (int col = 0; col < sizeX; col++) { - *pScanline++ = FXARGB_B(argb); - *pScanline++ = FXARGB_G(argb); - *pScanline++ = FXARGB_R(argb); - pScanline += Bpp - 3; - } - break; - } - case 12: { - for (int col = 0; col < sizeX; col++) { - FXARGB_SETDIB(pScanline, argb); - pScanline += 4; - } - break; - } - } - } - return TRUE; -} -void CCodec_ProgressiveDecoder::GifReadScanlineCallback(void* pModule, - int32_t row_num, - uint8_t* row_buf) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap; - ASSERT(pDIBitmap); - int32_t img_width = pCodec->m_GifFrameRect.Width(); - if (!pDIBitmap->HasAlpha()) { - uint8_t* byte_ptr = row_buf; - for (int i = 0; i < img_width; i++) { - if (*byte_ptr == pCodec->m_GifTransIndex) { - *byte_ptr = pCodec->m_GifBgIndex; - } - byte_ptr++; - } - } - int32_t pal_index = pCodec->m_GifBgIndex; - if (pCodec->m_GifTransIndex != -1 && pCodec->m_pDeviceBitmap->HasAlpha()) { - pal_index = pCodec->m_GifTransIndex; - } - FXSYS_memset(pCodec->m_pDecodeBuf, pal_index, pCodec->m_SrcWidth); - bool bLastPass = (row_num % 2) == 1; - int32_t line = row_num + pCodec->m_GifFrameRect.top; - int32_t left = pCodec->m_GifFrameRect.left; - FXSYS_memcpy(pCodec->m_pDecodeBuf + left, row_buf, img_width); - int src_top = pCodec->m_clipBox.top; - int src_bottom = pCodec->m_clipBox.bottom; - int des_top = pCodec->m_startY; - int src_hei = pCodec->m_clipBox.Height(); - int des_hei = pCodec->m_sizeY; - if (line >= src_top && line < src_bottom) { - double scale_y = (double)des_hei / (double)src_hei; - int src_row = line - src_top; - int des_row = (int)(src_row * scale_y) + des_top; - if (des_row >= des_top + des_hei) { - return; - } - pCodec->ReSampleScanline(pDIBitmap, des_row, pCodec->m_pDecodeBuf, - pCodec->m_SrcFormat); - if (scale_y > 1.0 && - (!pCodec->m_bInterpol || pCodec->m_SrcPassNumber == 1)) { - pCodec->ResampleVert(pDIBitmap, scale_y, des_row); - return; - } - if (scale_y > 1.0) { - int des_bottom = des_top + pCodec->m_sizeY; - int des_Bpp = pDIBitmap->GetBPP() >> 3; - FX_DWORD des_ScanOffet = pCodec->m_startX * des_Bpp; - if (des_row + (int)scale_y >= des_bottom - 1) { - uint8_t* scan_src = - (uint8_t*)pDIBitmap->GetScanline(des_row) + des_ScanOffet; - int cur_row = des_row; - while (++cur_row < des_bottom) { - uint8_t* scan_des = - (uint8_t*)pDIBitmap->GetScanline(cur_row) + des_ScanOffet; - FX_DWORD size = pCodec->m_sizeX * des_Bpp; - FXSYS_memcpy(scan_des, scan_src, size); - } - } - if (bLastPass) { - pCodec->GifDoubleLineResampleVert(pDIBitmap, scale_y, des_row); - } - } - } -} -void CCodec_ProgressiveDecoder::GifDoubleLineResampleVert( - CFX_DIBitmap* pDeviceBitmap, - double scale_y, - int des_row) { - int des_Bpp = pDeviceBitmap->GetBPP() >> 3; - FX_DWORD des_ScanOffet = m_startX * des_Bpp; - int des_top = m_startY; - int des_row_1 = des_row - int(2 * scale_y); - if (des_row_1 < des_top) { - des_row_1 = des_top; - } - for (; des_row_1 < des_row; des_row_1++) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet; - PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top); - const uint8_t* scan_src1 = - pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) + - des_ScanOffet; - const uint8_t* scan_src2 = - pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) + des_ScanOffet; - for (int des_col = 0; des_col < m_sizeX; des_col++) { - switch (pDeviceBitmap->GetFormat()) { - case FXDIB_Invalid: - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - return; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - if (pDeviceBitmap->GetPalette()) { - return; - } - int des_g = 0; - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)(des_g >> 16); - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - scan_src1 += des_Bpp - 3; - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - scan_src2 += des_Bpp - 3; - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - scan_des += des_Bpp - 3; - } break; - case FXDIB_Argb: { - FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - des_a += pWeight->m_Weights[0] * (*scan_src1++); - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - des_a += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - *scan_des++ = (uint8_t)((des_a) >> 16); - } break; - default: - return; - } - } - } - int des_bottom = des_top + m_sizeY - 1; - if (des_row + (int)(2 * scale_y) >= des_bottom && - des_row + (int)scale_y < des_bottom) { - GifDoubleLineResampleVert(pDeviceBitmap, scale_y, des_row + (int)scale_y); - } -} -FX_BOOL CCodec_ProgressiveDecoder::BmpReadMoreData(ICodec_BmpModule* pBmpModule, - FXCODEC_STATUS& err_status) { - FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize(); - if (dwSize <= m_offSet) { - return FALSE; - } - dwSize = dwSize - m_offSet; - FX_DWORD dwAvail = pBmpModule->GetAvailInput(m_pBmpContext, NULL); - if (dwAvail == m_SrcSize) { - if (dwSize > FXCODEC_BLOCK_SIZE) { - dwSize = FXCODEC_BLOCK_SIZE; - } - m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) / - FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE; - m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize); - if (!m_pSrcBuf) { - err_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - } else { - FX_DWORD dwConsume = m_SrcSize - dwAvail; - if (dwAvail) { - FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail); - } - if (dwSize > dwConsume) { - dwSize = dwConsume; - } - } - if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) { - err_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += dwSize; - pBmpModule->Input(m_pBmpContext, m_pSrcBuf, dwSize + dwAvail); - return TRUE; -} -FX_BOOL CCodec_ProgressiveDecoder::BmpInputImagePositionBufCallback( - void* pModule, - FX_DWORD rcd_pos) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - pCodec->m_offSet = rcd_pos; - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR; - if (!pCodec->BmpReadMoreData(pCodec->m_pCodecMgr->GetBmpModule(), - error_status)) { - return FALSE; - } - return TRUE; -} -void CCodec_ProgressiveDecoder::BmpReadScanlineCallback(void* pModule, - int32_t row_num, - uint8_t* row_buf) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap; - ASSERT(pDIBitmap); - FXSYS_memcpy(pCodec->m_pDecodeBuf, row_buf, pCodec->m_ScanlineSize); - int src_top = pCodec->m_clipBox.top; - int src_bottom = pCodec->m_clipBox.bottom; - int des_top = pCodec->m_startY; - int src_hei = pCodec->m_clipBox.Height(); - int des_hei = pCodec->m_sizeY; - if (row_num >= src_top && row_num < src_bottom) { - double scale_y = (double)des_hei / (double)src_hei; - int src_row = row_num - src_top; - int des_row = (int)(src_row * scale_y) + des_top; - if (des_row >= des_top + des_hei) { - return; - } - pCodec->ReSampleScanline(pDIBitmap, des_row, pCodec->m_pDecodeBuf, - pCodec->m_SrcFormat); - if (scale_y > 1.0) { - if (pCodec->m_BmpIsTopBottom || !pCodec->m_bInterpol) { - pCodec->ResampleVert(pDIBitmap, scale_y, des_row); - return; - } else { - pCodec->ResampleVertBT(pDIBitmap, scale_y, des_row); - } - } - } -} -void CCodec_ProgressiveDecoder::ResampleVertBT(CFX_DIBitmap* pDeviceBitmap, - double scale_y, - int des_row) { - int des_Bpp = pDeviceBitmap->GetBPP() >> 3; - FX_DWORD des_ScanOffet = m_startX * des_Bpp; - int des_top = m_startY; - int des_bottom = m_startY + m_sizeY; - int des_row_1 = des_row + int(scale_y); - if (des_row_1 >= des_bottom - 1) { - uint8_t* scan_src = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - while (++des_row < des_bottom) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - FX_DWORD size = m_sizeX * des_Bpp; - FXSYS_memcpy(scan_des, scan_src, size); - } - return; - } - for (; des_row_1 > des_row; des_row_1--) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet; - PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top); - const uint8_t* scan_src1 = - pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) + - des_ScanOffet; - const uint8_t* scan_src2 = - pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) + des_ScanOffet; - for (int des_col = 0; des_col < m_sizeX; des_col++) { - switch (pDeviceBitmap->GetFormat()) { - case FXDIB_Invalid: - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - return; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - if (pDeviceBitmap->GetPalette()) { - return; - } - int des_g = 0; - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)(des_g >> 16); - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - scan_src1 += des_Bpp - 3; - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - scan_src2 += des_Bpp - 3; - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - scan_des += des_Bpp - 3; - } break; - case FXDIB_Argb: { - FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - des_a += pWeight->m_Weights[0] * (*scan_src1++); - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - des_a += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - *scan_des++ = (uint8_t)((des_a) >> 16); - } break; - default: - return; - } - } - } -} -FX_BOOL CCodec_ProgressiveDecoder::DetectImageType( - FXCODEC_IMAGE_TYPE imageType, - CFX_DIBAttribute* pAttribute) { - m_offSet = 0; - FX_DWORD size = (FX_DWORD)m_pFile->GetSize(); - if (size > FXCODEC_BLOCK_SIZE) { - size = FXCODEC_BLOCK_SIZE; - } - FX_Free(m_pSrcBuf); - m_pSrcBuf = FX_Alloc(uint8_t, size); - FXSYS_memset(m_pSrcBuf, 0, size); - m_SrcSize = size; - switch (imageType) { - case FXCODEC_IMAGE_BMP: { - ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule(); - if (pBmpModule == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - pBmpModule->InputImagePositionBufCallback = - BmpInputImagePositionBufCallback; - pBmpModule->ReadScanlineCallback = BmpReadScanlineCallback; - m_pBmpContext = pBmpModule->Start((void*)this); - if (m_pBmpContext == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size); - if (!bResult) { - m_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += size; - pBmpModule->Input(m_pBmpContext, m_pSrcBuf, size); - FX_DWORD* pPalette = NULL; - int32_t readResult = pBmpModule->ReadHeader( - m_pBmpContext, &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom, - &m_SrcComponents, &m_SrcPaletteNumber, &pPalette, pAttribute); - while (readResult == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT; - if (!BmpReadMoreData(pBmpModule, error_status)) { - m_status = error_status; - return FALSE; - } - readResult = pBmpModule->ReadHeader( - m_pBmpContext, &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom, - &m_SrcComponents, &m_SrcPaletteNumber, &pPalette, pAttribute); - } - if (readResult == 1) { - m_SrcBPC = 8; - m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight); - FX_Free(m_pSrcPalette); - if (m_SrcPaletteNumber) { - m_pSrcPalette = FX_Alloc(FX_ARGB, m_SrcPaletteNumber); - FXSYS_memcpy(m_pSrcPalette, pPalette, - m_SrcPaletteNumber * sizeof(FX_DWORD)); - } else { - m_pSrcPalette = nullptr; - } - return TRUE; - } - if (m_pBmpContext) { - pBmpModule->Finish(m_pBmpContext); - m_pBmpContext = NULL; - } - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } break; - case FXCODEC_IMAGE_JPG: { - ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule(); - if (pJpegModule == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - m_pJpegContext = pJpegModule->Start(); - if (m_pJpegContext == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size); - if (!bResult) { - m_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += size; - pJpegModule->Input(m_pJpegContext, m_pSrcBuf, size); - int32_t readResult = - pJpegModule->ReadHeader(m_pJpegContext, &m_SrcWidth, &m_SrcHeight, - &m_SrcComponents, pAttribute); - while (readResult == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT; - if (!JpegReadMoreData(pJpegModule, error_status)) { - m_status = error_status; - return FALSE; - } - readResult = - pJpegModule->ReadHeader(m_pJpegContext, &m_SrcWidth, &m_SrcHeight, - &m_SrcComponents, pAttribute); - } - if (!readResult) { - m_SrcBPC = 8; - m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight); - return TRUE; - } - if (m_pJpegContext) { - pJpegModule->Finish(m_pJpegContext); - m_pJpegContext = NULL; - } - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } break; - case FXCODEC_IMAGE_PNG: { - ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule(); - if (pPngModule == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - pPngModule->ReadHeaderCallback = - CCodec_ProgressiveDecoder::PngReadHeaderFunc; - pPngModule->AskScanlineBufCallback = - CCodec_ProgressiveDecoder::PngAskScanlineBufFunc; - pPngModule->FillScanlineBufCompletedCallback = - CCodec_ProgressiveDecoder::PngFillScanlineBufCompletedFunc; - m_pPngContext = pPngModule->Start((void*)this); - if (m_pPngContext == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size); - if (!bResult) { - m_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += size; - bResult = pPngModule->Input(m_pPngContext, m_pSrcBuf, size, pAttribute); - while (bResult) { - FX_DWORD remain_size = (FX_DWORD)m_pFile->GetSize() - m_offSet; - FX_DWORD input_size = - remain_size > FXCODEC_BLOCK_SIZE ? FXCODEC_BLOCK_SIZE : remain_size; - if (input_size == 0) { - if (m_pPngContext) { - pPngModule->Finish(m_pPngContext); - } - m_pPngContext = NULL; - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } - if (m_pSrcBuf && input_size > m_SrcSize) { - FX_Free(m_pSrcBuf); - m_pSrcBuf = FX_Alloc(uint8_t, input_size); - FXSYS_memset(m_pSrcBuf, 0, input_size); - m_SrcSize = input_size; - } - bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size); - if (!bResult) { - m_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += input_size; - bResult = - pPngModule->Input(m_pPngContext, m_pSrcBuf, input_size, pAttribute); - } - ASSERT(!bResult); - if (m_pPngContext) { - pPngModule->Finish(m_pPngContext); - m_pPngContext = NULL; - } - if (m_SrcPassNumber == 0) { - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } - } break; - case FXCODEC_IMAGE_GIF: { - ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule(); - if (pGifModule == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - pGifModule->RecordCurrentPositionCallback = - CCodec_ProgressiveDecoder::GifRecordCurrentPositionCallback; - pGifModule->AskLocalPaletteBufCallback = - CCodec_ProgressiveDecoder::GifAskLocalPaletteBufCallback; - pGifModule->InputRecordPositionBufCallback = - CCodec_ProgressiveDecoder::GifInputRecordPositionBufCallback; - pGifModule->ReadScanlineCallback = - CCodec_ProgressiveDecoder::GifReadScanlineCallback; - m_pGifContext = pGifModule->Start((void*)this); - if (m_pGifContext == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size); - if (!bResult) { - m_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += size; - pGifModule->Input(m_pGifContext, m_pSrcBuf, size); - m_SrcComponents = 1; - int32_t readResult = pGifModule->ReadHeader( - m_pGifContext, &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber, - (void**)&m_pGifPalette, &m_GifBgIndex, nullptr); - while (readResult == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT; - if (!GifReadMoreData(pGifModule, error_status)) { - m_status = error_status; - return FALSE; - } - readResult = pGifModule->ReadHeader( - m_pGifContext, &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber, - (void**)&m_pGifPalette, &m_GifBgIndex, nullptr); - } - if (readResult == 1) { - m_SrcBPC = 8; - m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight); - return TRUE; - } - if (m_pGifContext) { - pGifModule->Finish(m_pGifContext); - m_pGifContext = NULL; - } - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } break; - case FXCODEC_IMAGE_TIF: { - ICodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule(); - if (pTiffModule == NULL) { - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } - m_pTiffContext = pTiffModule->CreateDecoder(m_pFile); - if (m_pTiffContext == NULL) { - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } - int32_t frames = 0; - pTiffModule->GetFrames(m_pTiffContext, frames); - FX_DWORD bpc; - FX_BOOL ret = pTiffModule->LoadFrameInfo( - m_pTiffContext, 0, (FX_DWORD&)m_SrcWidth, (FX_DWORD&)m_SrcHeight, - (FX_DWORD&)m_SrcComponents, bpc, pAttribute); - m_SrcComponents = 4; - m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight); - if (!ret) { - pTiffModule->DestroyDecoder(m_pTiffContext); - (m_pTiffContext = NULL); - (m_status = FXCODEC_STATUS_ERR_FORMAT); - return FALSE; - } - } break; - default: - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } - return TRUE; -} -FXCODEC_STATUS CCodec_ProgressiveDecoder::LoadImageInfo( - IFX_FileRead* pFile, - FXCODEC_IMAGE_TYPE imageType, - CFX_DIBAttribute* pAttribute) { - switch (m_status) { - case FXCODEC_STATUS_FRAME_READY: - case FXCODEC_STATUS_FRAME_TOBECONTINUE: - case FXCODEC_STATUS_DECODE_READY: - case FXCODEC_STATUS_DECODE_TOBECONTINUE: - return FXCODEC_STATUS_ERROR; - default: - break; - } - if (pFile == NULL) { - m_status = FXCODEC_STATUS_ERR_PARAMS; - m_pFile = NULL; - return m_status; - } - m_pFile = pFile; - m_offSet = 0; - m_SrcWidth = m_SrcHeight = 0; - m_SrcComponents = m_SrcBPC = 0; - m_clipBox = FX_RECT(0, 0, 0, 0); - m_startX = m_startY = 0; - m_sizeX = m_sizeY = 0; - m_SrcPassNumber = 0; - if (imageType != FXCODEC_IMAGE_UNKNOWN && - DetectImageType(imageType, pAttribute)) { - m_imagType = imageType; - m_status = FXCODEC_STATUS_FRAME_READY; - return m_status; - } - for (int type = FXCODEC_IMAGE_BMP; type < FXCODEC_IMAGE_MAX; type++) { - if (DetectImageType((FXCODEC_IMAGE_TYPE)type, pAttribute)) { - m_imagType = (FXCODEC_IMAGE_TYPE)type; - m_status = FXCODEC_STATUS_FRAME_READY; - return m_status; - } - } - m_status = FXCODEC_STATUS_ERR_FORMAT; - m_pFile = NULL; - return m_status; -} -void CCodec_ProgressiveDecoder::SetClipBox(FX_RECT* clip) { - if (m_status != FXCODEC_STATUS_FRAME_READY) { - return; - } - if (clip->IsEmpty()) { - m_clipBox = FX_RECT(0, 0, 0, 0); - return; - } - if (clip->left < 0) { - clip->left = 0; - } - if (clip->right > m_SrcWidth) { - clip->right = m_SrcWidth; - } - if (clip->top < 0) { - clip->top = 0; - } - if (clip->bottom > m_SrcHeight) { - clip->bottom = m_SrcHeight; - } - if (clip->IsEmpty()) { - m_clipBox = FX_RECT(0, 0, 0, 0); - return; - } - m_clipBox = *clip; -} -void CCodec_ProgressiveDecoder::GetDownScale(int& down_scale) { - down_scale = 1; - int ratio_w = m_clipBox.Width() / m_sizeX; - int ratio_h = m_clipBox.Height() / m_sizeY; - int ratio = (ratio_w > ratio_h) ? ratio_h : ratio_w; - if (ratio >= 8) { - down_scale = 8; - } else if (ratio >= 4) { - down_scale = 4; - } else if (ratio >= 2) { - down_scale = 2; - } - m_clipBox.left /= down_scale; - m_clipBox.right /= down_scale; - m_clipBox.top /= down_scale; - m_clipBox.bottom /= down_scale; - if (m_clipBox.right == m_clipBox.left) { - m_clipBox.right = m_clipBox.left + 1; - } - if (m_clipBox.bottom == m_clipBox.top) { - m_clipBox.bottom = m_clipBox.top + 1; - } -} -void CCodec_ProgressiveDecoder::GetTransMethod(FXDIB_Format des_format, - FXCodec_Format src_format) { - switch (des_format) { - case FXDIB_1bppMask: - case FXDIB_1bppRgb: { - switch (src_format) { - case FXCodec_1bppGray: - m_TransMethod = 0; - break; - default: - m_TransMethod = -1; - } - } break; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - switch (src_format) { - case FXCodec_1bppGray: - m_TransMethod = 1; - break; - case FXCodec_8bppGray: - m_TransMethod = 2; - break; - case FXCodec_1bppRgb: - case FXCodec_8bppRgb: - m_TransMethod = 3; - break; - case FXCodec_Rgb: - case FXCodec_Rgb32: - case FXCodec_Argb: - m_TransMethod = 4; - break; - case FXCodec_Cmyk: - m_TransMethod = 5; - break; - default: - m_TransMethod = -1; - } - } break; - case FXDIB_Rgb: { - switch (src_format) { - case FXCodec_1bppGray: - m_TransMethod = 6; - break; - case FXCodec_8bppGray: - m_TransMethod = 7; - break; - case FXCodec_1bppRgb: - case FXCodec_8bppRgb: - m_TransMethod = 8; - break; - case FXCodec_Rgb: - case FXCodec_Rgb32: - case FXCodec_Argb: - m_TransMethod = 9; - break; - case FXCodec_Cmyk: - m_TransMethod = 10; - break; - default: - m_TransMethod = -1; - } - } break; - case FXDIB_Rgb32: - case FXDIB_Argb: { - switch (src_format) { - case FXCodec_1bppGray: - m_TransMethod = 6; - break; - case FXCodec_8bppGray: - m_TransMethod = 7; - break; - case FXCodec_1bppRgb: - case FXCodec_8bppRgb: - if (des_format == FXDIB_Argb) { - m_TransMethod = 12; - } else { - m_TransMethod = 8; - } - break; - case FXCodec_Rgb: - case FXCodec_Rgb32: - m_TransMethod = 9; - break; - case FXCodec_Cmyk: - m_TransMethod = 10; - break; - case FXCodec_Argb: - m_TransMethod = 11; - break; - default: - m_TransMethod = -1; - } - } break; - default: - m_TransMethod = -1; - } -} -void _RGB2BGR(uint8_t* buffer, int width = 1) { - if (buffer && width > 0) { - uint8_t temp; - int i = 0; - int j = 0; - for (; i < width; i++, j += 3) { - temp = buffer[j]; - buffer[j] = buffer[j + 2]; - buffer[j + 2] = temp; - } - } -} -void CCodec_ProgressiveDecoder::ReSampleScanline(CFX_DIBitmap* pDeviceBitmap, - int des_line, - uint8_t* src_scan, - FXCodec_Format src_format) { - int src_left = m_clipBox.left; - int des_left = m_startX; - uint8_t* des_scan = - pDeviceBitmap->GetBuffer() + des_line * pDeviceBitmap->GetPitch(); - int src_bpp = src_format & 0xff; - int des_bpp = pDeviceBitmap->GetBPP(); - int src_Bpp = src_bpp >> 3; - int des_Bpp = des_bpp >> 3; - src_scan += src_left * src_Bpp; - des_scan += des_left * des_Bpp; - for (int des_col = 0; des_col < m_sizeX; des_col++) { - PixelWeight* pPixelWeights = m_WeightHorz.GetPixelWeight(des_col); - switch (m_TransMethod) { - case -1: - return; - case 0: - return; - case 1: - return; - case 2: { - FX_DWORD des_g = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - des_g += pixel_weight * src_scan[j]; - } - *des_scan++ = (uint8_t)(des_g >> 16); - } break; - case 3: { - int des_r = 0, des_g = 0, des_b = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - unsigned long argb = m_pSrcPalette[src_scan[j]]; - des_r += pixel_weight * (uint8_t)(argb >> 16); - des_g += pixel_weight * (uint8_t)(argb >> 8); - des_b += pixel_weight * (uint8_t)argb; - } - *des_scan++ = - (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16)); - } break; - case 4: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - const uint8_t* src_pixel = src_scan + j * src_Bpp; - des_b += pixel_weight * (*src_pixel++); - des_g += pixel_weight * (*src_pixel++); - des_r += pixel_weight * (*src_pixel); - } - *des_scan++ = - (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16)); - } break; - case 5: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - const uint8_t* src_pixel = src_scan + j * src_Bpp; - uint8_t src_b = 0, src_g = 0, src_r = 0; - AdobeCMYK_to_sRGB1(255 - src_pixel[0], 255 - src_pixel[1], - 255 - src_pixel[2], 255 - src_pixel[3], src_r, - src_g, src_b); - des_b += pixel_weight * src_b; - des_g += pixel_weight * src_g; - des_r += pixel_weight * src_r; - } - *des_scan++ = - (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16)); - } break; - case 6: - return; - case 7: { - FX_DWORD des_g = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - des_g += pixel_weight * src_scan[j]; - } - FXSYS_memset(des_scan, (uint8_t)(des_g >> 16), 3); - des_scan += des_Bpp; - } break; - case 8: { - int des_r = 0, des_g = 0, des_b = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - unsigned long argb = m_pSrcPalette[src_scan[j]]; - des_r += pixel_weight * (uint8_t)(argb >> 16); - des_g += pixel_weight * (uint8_t)(argb >> 8); - des_b += pixel_weight * (uint8_t)argb; - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - des_scan += des_Bpp - 3; - } break; - case 12: { - if (m_pBmpContext) { - int des_r = 0, des_g = 0, des_b = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - unsigned long argb = m_pSrcPalette[src_scan[j]]; - des_r += pixel_weight * (uint8_t)(argb >> 16); - des_g += pixel_weight * (uint8_t)(argb >> 8); - des_b += pixel_weight * (uint8_t)argb; - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - *des_scan++ = 0xFF; - } else { - int des_a = 0, des_r = 0, des_g = 0, des_b = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - unsigned long argb = m_pSrcPalette[src_scan[j]]; - des_a += pixel_weight * (uint8_t)(argb >> 24); - des_r += pixel_weight * (uint8_t)(argb >> 16); - des_g += pixel_weight * (uint8_t)(argb >> 8); - des_b += pixel_weight * (uint8_t)argb; - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - *des_scan++ = (uint8_t)((des_a) >> 16); - } - } break; - case 9: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - const uint8_t* src_pixel = src_scan + j * src_Bpp; - des_b += pixel_weight * (*src_pixel++); - des_g += pixel_weight * (*src_pixel++); - des_r += pixel_weight * (*src_pixel); - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - des_scan += des_Bpp - 3; - } break; - case 10: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - const uint8_t* src_pixel = src_scan + j * src_Bpp; - uint8_t src_b = 0, src_g = 0, src_r = 0; - AdobeCMYK_to_sRGB1(255 - src_pixel[0], 255 - src_pixel[1], - 255 - src_pixel[2], 255 - src_pixel[3], src_r, - src_g, src_b); - des_b += pixel_weight * src_b; - des_g += pixel_weight * src_g; - des_r += pixel_weight * src_r; - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - des_scan += des_Bpp - 3; - } break; - case 11: { - FX_DWORD des_alpha = 0, des_r = 0, des_g = 0, des_b = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - const uint8_t* src_pixel = src_scan + j * src_Bpp; - pixel_weight = pixel_weight * src_pixel[3] / 255; - des_b += pixel_weight * (*src_pixel++); - des_g += pixel_weight * (*src_pixel++); - des_r += pixel_weight * (*src_pixel); - des_alpha += pixel_weight; - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - *des_scan++ = (uint8_t)((des_alpha * 255) >> 16); - } break; - default: - return; - } - } -} -void CCodec_ProgressiveDecoder::ResampleVert(CFX_DIBitmap* pDeviceBitmap, - double scale_y, - int des_row) { - int des_Bpp = pDeviceBitmap->GetBPP() >> 3; - FX_DWORD des_ScanOffet = m_startX * des_Bpp; - if (m_bInterpol) { - int des_top = m_startY; - int des_row_1 = des_row - int(scale_y); - if (des_row_1 < des_top) { - int des_bottom = des_top + m_sizeY; - if (des_row + (int)scale_y >= des_bottom - 1) { - uint8_t* scan_src = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - while (++des_row < des_bottom) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - FX_DWORD size = m_sizeX * des_Bpp; - FXSYS_memcpy(scan_des, scan_src, size); - } - } - return; - } - for (; des_row_1 < des_row; des_row_1++) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet; - PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top); - const uint8_t* scan_src1 = - pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) + - des_ScanOffet; - const uint8_t* scan_src2 = - pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) + - des_ScanOffet; - for (int des_col = 0; des_col < m_sizeX; des_col++) { - switch (pDeviceBitmap->GetFormat()) { - case FXDIB_Invalid: - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - return; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - if (pDeviceBitmap->GetPalette()) { - return; - } - int des_g = 0; - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)(des_g >> 16); - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - scan_src1 += des_Bpp - 3; - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - scan_src2 += des_Bpp - 3; - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - scan_des += des_Bpp - 3; - } break; - case FXDIB_Argb: { - FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - des_a += pWeight->m_Weights[0] * (*scan_src1++); - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - des_a += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - *scan_des++ = (uint8_t)((des_a) >> 16); - } break; - default: - return; - } - } - } - int des_bottom = des_top + m_sizeY; - if (des_row + (int)scale_y >= des_bottom - 1) { - uint8_t* scan_src = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - while (++des_row < des_bottom) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - FX_DWORD size = m_sizeX * des_Bpp; - FXSYS_memcpy(scan_des, scan_src, size); - } - } - return; - } - int multiple = (int)FXSYS_ceil((FX_FLOAT)scale_y - 1); - if (multiple > 0) { - uint8_t* scan_src = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - for (int i = 1; i <= multiple; i++) { - if (des_row + i >= m_startY + m_sizeY) { - return; - } - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row + i) + des_ScanOffet; - FX_DWORD size = m_sizeX * des_Bpp; - FXSYS_memcpy(scan_des, scan_src, size); - } - } -} -void CCodec_ProgressiveDecoder::Resample(CFX_DIBitmap* pDeviceBitmap, - int32_t src_line, - uint8_t* src_scan, - FXCodec_Format src_format) { - int src_top = m_clipBox.top; - int des_top = m_startY; - int src_hei = m_clipBox.Height(); - int des_hei = m_sizeY; - if (src_line >= src_top) { - double scale_y = (double)des_hei / (double)src_hei; - int src_row = src_line - src_top; - int des_row = (int)(src_row * scale_y) + des_top; - if (des_row >= des_top + des_hei) { - return; - } - ReSampleScanline(pDeviceBitmap, des_row, m_pDecodeBuf, src_format); - if (scale_y > 1.0) { - ResampleVert(pDeviceBitmap, scale_y, des_row); - } - } -} -FXCODEC_STATUS CCodec_ProgressiveDecoder::GetFrames(int32_t& frames, - IFX_Pause* pPause) { - if (!(m_status == FXCODEC_STATUS_FRAME_READY || - m_status == FXCODEC_STATUS_FRAME_TOBECONTINUE)) { - return FXCODEC_STATUS_ERROR; - } - switch (m_imagType) { - case FXCODEC_IMAGE_BMP: - case FXCODEC_IMAGE_JPG: - case FXCODEC_IMAGE_PNG: - case FXCODEC_IMAGE_TIF: - frames = m_FrameNumber = 1; - return m_status = FXCODEC_STATUS_DECODE_READY; - case FXCODEC_IMAGE_GIF: { - ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule(); - while (TRUE) { - int32_t readResult = - pGifModule->LoadFrameInfo(m_pGifContext, &m_FrameNumber); - while (readResult == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_READ; - if (!GifReadMoreData(pGifModule, error_status)) { - return error_status; - } - if (pPause && pPause->NeedToPauseNow()) { - return m_status = FXCODEC_STATUS_FRAME_TOBECONTINUE; - } - readResult = pGifModule->LoadFrameInfo(m_pGifContext, &m_FrameNumber); - } - if (readResult == 1) { - frames = m_FrameNumber; - return m_status = FXCODEC_STATUS_DECODE_READY; - } - if (m_pGifContext) { - pGifModule->Finish(m_pGifContext); - m_pGifContext = NULL; - } - return m_status = FXCODEC_STATUS_ERROR; - } - } break; - default: - break; - } - return FXCODEC_STATUS_ERROR; -} -FXCODEC_STATUS CCodec_ProgressiveDecoder::StartDecode(CFX_DIBitmap* pDIBitmap, - int start_x, - int start_y, - int size_x, - int size_y, - int32_t frames, - FX_BOOL bInterpol) { - if (m_status != FXCODEC_STATUS_DECODE_READY) { - return FXCODEC_STATUS_ERROR; - } - if (pDIBitmap == NULL || pDIBitmap->GetBPP() < 8 || frames < 0 || - frames >= m_FrameNumber) { - return FXCODEC_STATUS_ERR_PARAMS; - } - m_pDeviceBitmap = pDIBitmap; - if (m_clipBox.IsEmpty()) { - return FXCODEC_STATUS_ERR_PARAMS; - } - if (size_x <= 0 || size_x > 65535 || size_y <= 0 || size_y > 65535) { - return FXCODEC_STATUS_ERR_PARAMS; - } - FX_RECT device_rc = - FX_RECT(start_x, start_y, start_x + size_x, start_y + size_y); - int32_t out_range_x = device_rc.right - pDIBitmap->GetWidth(); - int32_t out_range_y = device_rc.bottom - pDIBitmap->GetHeight(); - device_rc.Intersect( - FX_RECT(0, 0, pDIBitmap->GetWidth(), pDIBitmap->GetHeight())); - if (device_rc.IsEmpty()) { - return FXCODEC_STATUS_ERR_PARAMS; - } - m_startX = device_rc.left; - m_startY = device_rc.top; - m_sizeX = device_rc.Width(); - m_sizeY = device_rc.Height(); - m_bInterpol = bInterpol; - m_FrameCur = 0; - if (start_x < 0 || out_range_x > 0) { - FX_FLOAT scaleX = (FX_FLOAT)m_clipBox.Width() / (FX_FLOAT)size_x; - if (start_x < 0) { - m_clipBox.left -= (int32_t)FXSYS_ceil((FX_FLOAT)start_x * scaleX); - } - if (out_range_x > 0) { - m_clipBox.right -= (int32_t)FXSYS_floor((FX_FLOAT)out_range_x * scaleX); - } - } - if (start_y < 0 || out_range_y > 0) { - FX_FLOAT scaleY = (FX_FLOAT)m_clipBox.Height() / (FX_FLOAT)size_y; - if (start_y < 0) { - m_clipBox.top -= (int32_t)FXSYS_ceil((FX_FLOAT)start_y * scaleY); - } - if (out_range_y > 0) { - m_clipBox.bottom -= (int32_t)FXSYS_floor((FX_FLOAT)out_range_y * scaleY); - } - } - if (m_clipBox.IsEmpty()) { - return FXCODEC_STATUS_ERR_PARAMS; - } - switch (m_imagType) { - case FXCODEC_IMAGE_JPG: { - ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule(); - int down_scale = 1; - GetDownScale(down_scale); - FX_BOOL bStart = pJpegModule->StartScanline(m_pJpegContext, down_scale); - while (!bStart) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR; - if (!JpegReadMoreData(pJpegModule, error_status)) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = error_status; - } - bStart = pJpegModule->StartScanline(m_pJpegContext, down_scale); - } - int scanline_size = (m_SrcWidth + down_scale - 1) / down_scale; - scanline_size = (scanline_size * m_SrcComponents + 3) / 4 * 4; - FX_Free(m_pDecodeBuf); - m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size); - FXSYS_memset(m_pDecodeBuf, 0, scanline_size); - m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0, - m_clipBox.Width(), m_bInterpol); - m_WeightVert.Calc(m_sizeY, m_clipBox.Height()); - switch (m_SrcComponents) { - case 1: - m_SrcFormat = FXCodec_8bppGray; - break; - case 3: - m_SrcFormat = FXCodec_Rgb; - break; - case 4: - m_SrcFormat = FXCodec_Cmyk; - break; - } - GetTransMethod(pDIBitmap->GetFormat(), m_SrcFormat); - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } break; - case FXCODEC_IMAGE_PNG: { - ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule(); - if (pPngModule == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - if (m_pPngContext) { - pPngModule->Finish(m_pPngContext); - m_pPngContext = NULL; - } - m_pPngContext = pPngModule->Start((void*)this); - if (m_pPngContext == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - m_offSet = 0; - switch (m_pDeviceBitmap->GetFormat()) { - case FXDIB_8bppMask: - case FXDIB_8bppRgb: - m_SrcComponents = 1; - m_SrcFormat = FXCodec_8bppGray; - break; - case FXDIB_Rgb: - m_SrcComponents = 3; - m_SrcFormat = FXCodec_Rgb; - break; - case FXDIB_Rgb32: - case FXDIB_Argb: - m_SrcComponents = 4; - m_SrcFormat = FXCodec_Argb; - break; - default: { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_PARAMS; - } - } - GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat); - int scanline_size = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4; - FX_Free(m_pDecodeBuf); - m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size); - FXSYS_memset(m_pDecodeBuf, 0, scanline_size); - m_WeightHorzOO.Calc(m_sizeX, m_clipBox.Width(), m_bInterpol); - m_WeightVert.Calc(m_sizeY, m_clipBox.Height()); - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } break; - case FXCODEC_IMAGE_GIF: { - ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule(); - if (pGifModule == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - m_SrcFormat = FXCodec_8bppRgb; - GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat); - int scanline_size = (m_SrcWidth + 3) / 4 * 4; - FX_Free(m_pDecodeBuf); - m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size); - FXSYS_memset(m_pDecodeBuf, 0, scanline_size); - m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0, - m_clipBox.Width(), m_bInterpol); - m_WeightVert.Calc(m_sizeY, m_clipBox.Height()); - m_FrameCur = frames; - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } break; - case FXCODEC_IMAGE_BMP: { - ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule(); - if (pBmpModule == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - switch (m_SrcComponents) { - case 1: - m_SrcFormat = FXCodec_8bppRgb; - break; - case 3: - m_SrcFormat = FXCodec_Rgb; - break; - case 4: - m_SrcFormat = FXCodec_Rgb32; - break; - } - GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat); - m_ScanlineSize = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4; - FX_Free(m_pDecodeBuf); - m_pDecodeBuf = FX_Alloc(uint8_t, m_ScanlineSize); - FXSYS_memset(m_pDecodeBuf, 0, m_ScanlineSize); - m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0, - m_clipBox.Width(), m_bInterpol); - m_WeightVert.Calc(m_sizeY, m_clipBox.Height()); - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } break; - case FXCODEC_IMAGE_TIF: - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - default: - break; - } - return FXCODEC_STATUS_ERROR; -} -FXCODEC_STATUS CCodec_ProgressiveDecoder::ContinueDecode(IFX_Pause* pPause) { - if (m_status != FXCODEC_STATUS_DECODE_TOBECONTINUE) { - return FXCODEC_STATUS_ERROR; - } - switch (m_imagType) { - case FXCODEC_IMAGE_JPG: { - ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule(); - while (TRUE) { - FX_BOOL readRes = - pJpegModule->ReadScanline(m_pJpegContext, m_pDecodeBuf); - while (!readRes) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; - if (!JpegReadMoreData(pJpegModule, error_status)) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = error_status; - } - readRes = pJpegModule->ReadScanline(m_pJpegContext, m_pDecodeBuf); - } - if (m_SrcFormat == FXCodec_Rgb) { - int src_Bpp = (m_SrcFormat & 0xff) >> 3; - _RGB2BGR(m_pDecodeBuf + m_clipBox.left * src_Bpp, m_clipBox.Width()); - } - if (m_SrcRow >= m_clipBox.bottom) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } - Resample(m_pDeviceBitmap, m_SrcRow, m_pDecodeBuf, m_SrcFormat); - m_SrcRow++; - if (pPause && pPause->NeedToPauseNow()) { - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - } break; - case FXCODEC_IMAGE_PNG: { - ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule(); - while (TRUE) { - FX_DWORD remain_size = (FX_DWORD)m_pFile->GetSize() - m_offSet; - FX_DWORD input_size = - remain_size > FXCODEC_BLOCK_SIZE ? FXCODEC_BLOCK_SIZE : remain_size; - if (input_size == 0) { - if (m_pPngContext) { - pPngModule->Finish(m_pPngContext); - } - m_pPngContext = NULL; - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } - if (m_pSrcBuf && input_size > m_SrcSize) { - FX_Free(m_pSrcBuf); - m_pSrcBuf = FX_Alloc(uint8_t, input_size); - FXSYS_memset(m_pSrcBuf, 0, input_size); - m_SrcSize = input_size; - } - FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size); - if (!bResult) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_READ; - } - m_offSet += input_size; - bResult = - pPngModule->Input(m_pPngContext, m_pSrcBuf, input_size, nullptr); - if (!bResult) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERROR; - } - if (pPause && pPause->NeedToPauseNow()) { - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - } break; - case FXCODEC_IMAGE_GIF: { - ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule(); - while (TRUE) { - int32_t readRes = - pGifModule->LoadFrame(m_pGifContext, m_FrameCur, nullptr); - while (readRes == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; - if (!GifReadMoreData(pGifModule, error_status)) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = error_status; - } - if (pPause && pPause->NeedToPauseNow()) { - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - readRes = pGifModule->LoadFrame(m_pGifContext, m_FrameCur, nullptr); - } - if (readRes == 1) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERROR; - } - } break; - case FXCODEC_IMAGE_BMP: { - ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule(); - while (TRUE) { - int32_t readRes = pBmpModule->LoadImage(m_pBmpContext); - while (readRes == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; - if (!BmpReadMoreData(pBmpModule, error_status)) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = error_status; - } - if (pPause && pPause->NeedToPauseNow()) { - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - readRes = pBmpModule->LoadImage(m_pBmpContext); - } - if (readRes == 1) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERROR; - } - } break; - case FXCODEC_IMAGE_TIF: { - ICodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule(); - FX_BOOL ret = FALSE; - if (m_pDeviceBitmap->GetBPP() == 32 && - m_pDeviceBitmap->GetWidth() == m_SrcWidth && m_SrcWidth == m_sizeX && - m_pDeviceBitmap->GetHeight() == m_SrcHeight && - m_SrcHeight == m_sizeY && m_startX == 0 && m_startY == 0 && - m_clipBox.left == 0 && m_clipBox.top == 0 && - m_clipBox.right == m_SrcWidth && m_clipBox.bottom == m_SrcHeight) { - ret = pTiffModule->Decode(m_pTiffContext, m_pDeviceBitmap); - m_pDeviceBitmap = NULL; - m_pFile = NULL; - if (!ret) { - return m_status = FXCODEC_STATUS_ERROR; - } - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } else { - CFX_DIBitmap* pDIBitmap = new CFX_DIBitmap; - pDIBitmap->Create(m_SrcWidth, m_SrcHeight, FXDIB_Argb); - if (pDIBitmap->GetBuffer() == NULL) { - delete pDIBitmap; - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - ret = pTiffModule->Decode(m_pTiffContext, pDIBitmap); - if (!ret) { - delete pDIBitmap; - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERROR; - } - CFX_DIBitmap* pClipBitmap = - (m_clipBox.left == 0 && m_clipBox.top == 0 && - m_clipBox.right == m_SrcWidth && m_clipBox.bottom == m_SrcHeight) - ? pDIBitmap - : pDIBitmap->Clone(&m_clipBox); - if (pDIBitmap != pClipBitmap) { - delete pDIBitmap; - } - if (pClipBitmap == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - CFX_DIBitmap* pFormatBitmap = NULL; - switch (m_pDeviceBitmap->GetFormat()) { - case FXDIB_8bppRgb: - pFormatBitmap = new CFX_DIBitmap; - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_8bppRgb); - break; - case FXDIB_8bppMask: - pFormatBitmap = new CFX_DIBitmap; - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_8bppMask); - break; - case FXDIB_Rgb: - pFormatBitmap = new CFX_DIBitmap; - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_Rgb); - break; - case FXDIB_Rgb32: - pFormatBitmap = new CFX_DIBitmap; - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_Rgb32); - break; - case FXDIB_Argb: - pFormatBitmap = pClipBitmap; - break; - default: - break; - } - switch (m_pDeviceBitmap->GetFormat()) { - case FXDIB_8bppRgb: - case FXDIB_8bppMask: { - for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) { - uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row); - uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row); - for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) { - uint8_t _a = 255 - src_line[3]; - uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255; - uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255; - uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255; - *des_line++ = FXRGB2GRAY(r, g, b); - src_line += 4; - } - } - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - int32_t desBpp = - (m_pDeviceBitmap->GetFormat() == FXDIB_Rgb) ? 3 : 4; - for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) { - uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row); - uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row); - for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) { - uint8_t _a = 255 - src_line[3]; - uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255; - uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255; - uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255; - *des_line++ = b; - *des_line++ = g; - *des_line++ = r; - des_line += desBpp - 3; - src_line += 4; - } - } - } break; - default: - break; - } - if (pClipBitmap != pFormatBitmap) { - delete pClipBitmap; - } - if (pFormatBitmap == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - CFX_DIBitmap* pStrechBitmap = pFormatBitmap->StretchTo( - m_sizeX, m_sizeY, m_bInterpol ? FXDIB_INTERPOL : FXDIB_DOWNSAMPLE); - delete pFormatBitmap; - pFormatBitmap = NULL; - if (pStrechBitmap == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - m_pDeviceBitmap->TransferBitmap(m_startX, m_startY, m_sizeX, m_sizeY, - pStrechBitmap, 0, 0); - delete pStrechBitmap; - pStrechBitmap = NULL; - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } - } break; - default: - break; - } - return FXCODEC_STATUS_ERROR; -} -ICodec_ProgressiveDecoder* CCodec_ModuleMgr::CreateProgressiveDecoder() { - return new CCodec_ProgressiveDecoder(this); -} |