diff options
Diffstat (limited to 'core/src/fxge/skia/fx_skia_blitter_new.cpp')
| -rw-r--r-- | core/src/fxge/skia/fx_skia_blitter_new.cpp | 1809 |
1 files changed, 0 insertions, 1809 deletions
diff --git a/core/src/fxge/skia/fx_skia_blitter_new.cpp b/core/src/fxge/skia/fx_skia_blitter_new.cpp deleted file mode 100644 index 7a8cb1bfac..0000000000 --- a/core/src/fxge/skia/fx_skia_blitter_new.cpp +++ /dev/null @@ -1,1809 +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. - -#include "core/include/fxge/fx_ge.h" - -#if defined(_SKIA_SUPPORT_) -#include "SkBlitter.h" -#include "core/include/fxcodec/fx_codec.h" -#include "core/src/fxge/skia/fx_skia_blitter_new.h" - -// We use our own renderer here to make it simple -void CFX_SkiaRenderer::blitAntiH(int x, - int y, - const SkAlpha antialias[], - const int16_t runs[]) { - FXSYS_assert(m_Alpha); - if (!m_pOriDevice && !composite_span) - return; - if (y < m_ClipBox.top || y >= m_ClipBox.bottom) - return; - while (1) { - int width = runs[0]; - SkASSERT(width >= 0); - if (width <= 0) - return; - unsigned aa = antialias[0]; - if (aa) - (*composite_span)(m_pDestScan, m_pOriScan, 0, x, width, y, aa, - m_ClipBox.top, m_ClipBox.left, m_ClipBox.right, - m_pClipScan, m_pDestExtraAlphaScan); - runs += width; - antialias += width; - x += width; - } -} - -void CFX_SkiaRenderer::blitH(int x, int y, int width) { - FXSYS_assert(m_Alpha && width); - if (y < m_ClipBox.top || y >= m_ClipBox.bottom) - return; - (*composite_span)(m_pDestScan, m_pOriScan, 0, x, width, y, 255, m_ClipBox.top, - m_ClipBox.left, m_ClipBox.right, m_pClipScan, - m_pDestExtraAlphaScan); -} - -void CFX_SkiaRenderer::blitV(int x, int y, int height, SkAlpha alpha) { - FXSYS_assert(m_Alpha && alpha); - if (alpha == 255) { - blitRect(x, y, 1, height); - } else { - int16_t runs[2]; - runs[0] = 1; - runs[1] = 0; - while (--height >= 0) { - if (y >= m_ClipBox.bottom) - return; - blitAntiH(x, y++, &alpha, runs); - } - } -} -void CFX_SkiaRenderer::blitRect(int x, int y, int width, int height) { - FXSYS_assert(m_Alpha && width); - while (--height >= 0) { - if (y >= m_ClipBox.bottom) - return; - blitH(x, y++, width); - } -} - -void CFX_SkiaRenderer::blitAntiRect(int x, - int y, - int width, - int height, - SkAlpha leftAlpha, - SkAlpha rightAlpha) { - blitV(x++, y, height, leftAlpha); - if (width > 0) { - blitRect(x, y, width, height); - x += width; - } - blitV(x, y, height, rightAlpha); -} -/*---------------------------------------------------------------------------------------------------*/ -void CFX_SkiaRenderer::CompositeSpan1bpp_0(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_bRgbByteOrder); - ASSERT(!m_pDevice->IsCmykImage()); - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left / 8; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start / 8; - - int index = 0; - if (m_pDevice->GetPalette()) { - for (int i = 0; i < 2; i++) { - if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color) - index = i; - } - } else { - index = ((uint8_t)m_Color == 0xff) ? 1 : 0; - } - uint8_t* dest_scan1 = dest_scan; - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - if (src_alpha) { - if (!index) - *dest_scan1 &= ~(1 << (7 - (col + span_left) % 8)); - else - *dest_scan1 |= 1 << (7 - (col + span_left) % 8); - } - dest_scan1 = dest_scan + (span_left % 8 + col - col_start + 1) / 8; - } -} -void CFX_SkiaRenderer::CompositeSpan1bpp_4(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_bRgbByteOrder); - ASSERT(!m_pDevice->IsCmykImage()); - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left / 8; - clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) - - clip_left + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start / 8; - - int index = 0; - if (m_pDevice->GetPalette()) { - for (int i = 0; i < 2; i++) { - if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color) - index = i; - } - } else { - index = ((uint8_t)m_Color == 0xff) ? 1 : 0; - } - uint8_t* dest_scan1 = dest_scan; - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - int src_alpha1 = src_alpha * clip_scan[col] / 255; - if (src_alpha1) { - if (!index) - *dest_scan1 &= ~(1 << (7 - (col + span_left) % 8)); - else - *dest_scan1 |= 1 << (7 - (col + span_left) % 8); - } - dest_scan1 = dest_scan + (span_left % 8 + col - col_start + 1) / 8; - } -} -/*-----------------------------------------------------------------------------------------------------*/ -void CFX_SkiaRenderer::CompositeSpanGray_2(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_pDevice->IsCmykImage()); - ASSERT(!m_bRgbByteOrder); - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start; - if (cover_scan == 255 && m_Alpha == 255) { - FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), - col_end - col_start); - return; - } - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha); - dest_scan++; - } -} -void CFX_SkiaRenderer::CompositeSpanGray_3(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_pDevice->IsCmykImage()); - ASSERT(!m_bRgbByteOrder); - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left; - ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start; - ori_scan += col_start; - if (m_Alpha == 255 && cover_scan == 255) { - FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), - col_end - col_start); - } else { - int src_alpha = m_Alpha; -#if 1 - for (int col = col_start; col < col_end; col++) { - int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha); - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan); - dest_scan++; - } -#else - if (m_bFullCover) { - if (src_alpha == 255) { - FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), - col_end - col_start); - return; - } - for (int col = col_start; col < col_end; col++) - *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha); - } else { - for (int col = col_start; col < col_end; col++) { - int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha); - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan); - dest_scan++; - } - } -#endif - } -} - -void CFX_SkiaRenderer::CompositeSpanGray_6(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_bRgbByteOrder); - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left; - clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) - - clip_left + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start; - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - int src_alpha1 = src_alpha * clip_scan[col] / 255; - if (!src_alpha1) { - dest_scan++; - continue; - } - if (src_alpha1 == 255) { - *dest_scan++ = m_Gray; - } else { - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha1); - dest_scan++; - } - } -} - -void CFX_SkiaRenderer::CompositeSpanGray_7(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_pDevice->IsCmykImage()); - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left; - ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left; - clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) - - clip_left + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start; - ori_scan += col_start; -#if 1 - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (src_alpha == 255 && cover_scan == 255) { - *dest_scan++ = m_Gray; - ori_scan++; - continue; - } - int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha); - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan); - dest_scan++; - } - -#else - if (m_bFullCover) { - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (!src_alpha) { - dest_scan++; - ori_scan++; - continue; - } - if (src_alpha == 255) { - *dest_scan++ = m_Gray; - ori_scan++; - continue; - } - *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha); - } - } else { - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (src_alpha == 255 && cover_scan == 255) { - *dest_scan++ = m_Gray; - ori_scan++; - continue; - } - int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha); - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan); - dest_scan++; - } - } -#endif -} -/*--------------------------------------------------------------------------------------------------*/ - -void CFX_SkiaRenderer::CompositeSpanARGB_2(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2); - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start << 2; - if (m_Alpha == 255 && cover_scan == 255) { - FXSYS_memset(dest_scan, m_Color, (col_end - col_start) << 2); - return; - } - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - // Dest format: Argb - // calculate destination alpha (it's union of source and dest alpha) - if (dest_scan[3] == 0) { - dest_scan[3] = src_alpha; - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan = m_Red; - dest_scan += 2; - continue; - } - uint8_t dest_alpha = - dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255; - dest_scan[3] = dest_alpha; - int alpha_ratio = src_alpha * 255 / dest_alpha; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); - dest_scan += 2; - } -} - -void CFX_SkiaRenderer::CompositeSpanARGB_3(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_pDevice->IsCmykImage()); - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2); - // ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2); - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start << 2; - // ori_scan += col_start << 2; - - if (m_Alpha == 255 && cover_scan == 255) { - FXSYS_memset(dest_scan, m_Color, (col_end - col_start) << 2); - return; - } - if (cover_scan == 255) { - int dst_color = (0x00ffffff & m_Color) | (m_Alpha << 24); - FXSYS_memset(dest_scan, dst_color, (col_end - col_start) << 2); - return; - } - // Do not need origin bitmap, because of merge in pure transparent background - int src_alpha_covered = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - // shortcut - if (dest_scan[3] == 0) { - dest_scan[3] = src_alpha_covered; - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan = m_Red; - dest_scan += 2; - continue; - } - // We should do alpha transition and color transition - // alpha fg color fg - // alpha bg color bg - // alpha cover color cover - dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], m_Alpha, cover_scan); - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover_scan); - dest_scan += 2; - } -} -void CFX_SkiaRenderer::CompositeSpanARGB_6(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2); - clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) - - clip_left + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start << 2; -#if 1 - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - int src_alpha1 = src_alpha * clip_scan[col] / 255; - if (!src_alpha1) { - dest_scan += 4; - continue; - } - if (src_alpha1 == 255) { - *(FX_DWORD*)dest_scan = m_Color; - dest_scan += 4; - } else { - // Dest format: Argb - // calculate destination alpha (it's union of source and dest alpha) - if (dest_scan[3] == 0) { - dest_scan[3] = src_alpha1; - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan = m_Red; - dest_scan += 2; - continue; - } - uint8_t dest_alpha = - dest_scan[3] + src_alpha1 - dest_scan[3] * src_alpha1 / 255; - dest_scan[3] = dest_alpha; - int alpha_ratio = src_alpha1 * 255 / dest_alpha; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); - dest_scan += 2; - } - } -#else - if (m_bFullCover) { - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (!src_alpha) { - dest_scan += 4; - continue; - } - if (src_alpha == 255) { - *(FX_DWORD*)dest_scan = m_Color; - dest_scan += 4; - continue; - } else { - // Dest format: Argb - // calculate destination alpha (it's union of source and dest alpha) - if (dest_scan[3] == 0) { - dest_scan[3] = src_alpha; - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan = m_Red; - dest_scan += 2; - continue; - } - uint8_t dest_alpha = - dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255; - dest_scan[3] = dest_alpha; - int alpha_ratio = src_alpha * 255 / dest_alpha; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); - dest_scan += 2; - } - } - } else { - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - int src_alpha1 = src_alpha * clip_scan[col] / 255; - if (!src_alpha1) { - dest_scan += 4; - continue; - } - if (src_alpha1 == 255) { - *(FX_DWORD*)dest_scan = m_Color; - dest_scan += 4; - } else { - // Dest format: Argb - // calculate destination alpha (it's union of source and dest alpha) - if (dest_scan[3] == 0) { - dest_scan[3] = src_alpha1; - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan = m_Red; - dest_scan += 2; - continue; - } - uint8_t dest_alpha = - dest_scan[3] + src_alpha1 - dest_scan[3] * src_alpha1 / 255; - dest_scan[3] = dest_alpha; - int alpha_ratio = src_alpha1 * 255 / dest_alpha; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); - dest_scan += 2; - } - } - } -#endif -} - -void CFX_SkiaRenderer::CompositeSpanARGB_7(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_pDevice->IsCmykImage()); - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2); - // ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2); - clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) - - clip_left + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start << 2; - // ori_scan += col_start << 2; - // Do not need origin bitmap, because of merge in pure transparent background - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - int src_alpha_covered = src_alpha * cover_scan / 255; - // shortcut - if (src_alpha_covered == 0) { - dest_scan += 4; - continue; - } - // shortcut - if (cover_scan == 255 || dest_scan[3] == 0) { - // origin alpha always zero, just get src alpha - dest_scan[3] = src_alpha_covered; - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan = m_Red; - dest_scan += 2; - continue; - } - // We should do alpha transition and color transition - // alpha fg color fg - // alpha bg color bg - // alpha cover color cover - dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], src_alpha, cover_scan); - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover_scan); - dest_scan += 2; - } -} - -/*-----------------------------------------------------------------------------------------------------------*/ -void CFX_SkiaRenderer::CompositeSpanRGB32_2(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2); - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += (col_start << 2); - if (m_Alpha == 255 && cover_scan == 255) { - FXSYS_memset(dest_scan, m_Color, (col_end - col_start) << 2); - return; - } - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - // Dest format: Rgb32 - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha); - dest_scan += 2; - } -} -void CFX_SkiaRenderer::CompositeSpanRGB32_3(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2); - ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left << 2); - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start << 2; - ori_scan += col_start << 2; - if (m_Alpha == 255 && cover_scan == 255) { - FXSYS_memset(dest_scan, m_Color, (col_end - col_start) << 2); - return; - } - int src_alpha = m_Alpha; - for (int col = col_start; col < col_end; col++) { - int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha); - int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha); - int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha); - ori_scan += 2; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan); - dest_scan += 2; - } -} -void CFX_SkiaRenderer::CompositeSpanRGB32_6(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2); - clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) - - clip_left + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start << 2; -#if 1 - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - int src_alpha1 = src_alpha * clip_scan[col] / 255; - if (!src_alpha1) { - dest_scan += 4; - continue; - } - if (src_alpha1 == 255) { - *(FX_DWORD*)dest_scan = m_Color; - dest_scan += 4; - } else { - // Dest format: Rgb or Rgb32 - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1); - dest_scan += 2; - } - } -#else - if (m_bFullCover) { - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (!src_alpha) { - dest_scan += 4; - continue; - } - if (src_alpha == 255) { - *(FX_DWORD*)dest_scan = m_Color; - dest_scan += 4; - } else { - // Dest format: Rgb or Rgb32 - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha); - dest_scan += 2; - } - } - } else { - // Rgb32 - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - int src_alpha1 = src_alpha * clip_scan[col] / 255; - if (!src_alpha1) { - dest_scan += 4; - continue; - } - if (src_alpha1 == 255) { - *(FX_DWORD*)dest_scan = m_Color; - dest_scan += 4; - } else { - // Dest format: Rgb or Rgb32 - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1); - dest_scan += 2; - } - } - } -#endif -} -void CFX_SkiaRenderer::CompositeSpanRGB32_7(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_pDevice->IsCmykImage()); - dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2); - ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left << 2); - clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) - - clip_left + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start << 2; - ori_scan += col_start << 2; -#if 1 - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (src_alpha == 255 && cover_scan == 255) { - *(FX_DWORD*)dest_scan = m_Color; - dest_scan += 4; - ori_scan += 4; - continue; - } - int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha); - int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha); - int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha); - ori_scan += 2; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan); - dest_scan += 2; - } -#else - if (m_bFullCover) { - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (!src_alpha) { - *(FX_DWORD*)dest_scan = *(FX_DWORD*)ori_scan; - dest_scan += 4; - ori_scan += 4; - continue; - } - if (src_alpha == 255) { - *(FX_DWORD*)dest_scan = m_Color; - dest_scan += 4; - ori_scan += 4; - continue; - } - *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha); - *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha); - *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha); - dest_scan += 2; - ori_scan += 2; - } - } else { - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (src_alpha == 255 && cover_scan == 255) { - *(FX_DWORD*)dest_scan = m_Color; - dest_scan += 4; - ori_scan += 4; - continue; - } - int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha); - int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha); - int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha); - ori_scan += 2; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan); - dest_scan += 2; - } - } -#endif -} -/*-----------------------------------------------------------------------------------------------------*/ -void CFX_SkiaRenderer::CompositeSpanRGB24_2(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - dest_scan = - (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1); - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += (col_start << 1) + col_start; - int src_alpha = m_Alpha * cover_scan / 255; - if (src_alpha == 255) { - for (int col = col_start; col < col_end; col++) { - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan++ = m_Red; - } - return; - } - for (int col = col_start; col < col_end; col++) { - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha); - dest_scan++; - } -} -void CFX_SkiaRenderer::CompositeSpanRGB24_3(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_pDevice->IsCmykImage()); - dest_scan = - (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1); - ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left + - (span_left << 1); - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += (col_start << 1) + col_start; - ori_scan += (col_start << 1) + col_start; - if (m_Alpha == 255 && cover_scan == 255) { - for (int col = col_start; col < col_end; col++) { - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan++ = m_Red; - } - return; - } - for (int col = col_start; col < col_end; col++) { - int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, m_Alpha); - int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, m_Alpha); - int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, m_Alpha); - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan); - dest_scan++; - } -} -void CFX_SkiaRenderer::CompositeSpanRGB24_6(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - dest_scan = - (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1); - clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) - - clip_left + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start + (col_start << 1); -#if 1 - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - int src_alpha1 = src_alpha * clip_scan[col] / 255; - if (!src_alpha1) { - dest_scan += 3; - continue; - } - if (src_alpha1 == 255) { - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan++ = m_Red; - } else { - // Dest format: Rgb - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1); - dest_scan++; - } - } -#else - if (m_bFullCover) { - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (!src_alpha) { - dest_scan += 3; - continue; - } - if (src_alpha == 255) { - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan++ = m_Red; - } else { - // Dest format: Rgb - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha); - dest_scan++; - } - } - } else { - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - int src_alpha1 = src_alpha * clip_scan[col] / 255; - if (!src_alpha1) { - dest_scan += 3; - continue; - } - if (src_alpha1 == 255) { - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan++ = m_Red; - } else { - // Dest format: Rgb - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1); - dest_scan++; - } - } - } -#endif -} -void CFX_SkiaRenderer::CompositeSpanRGB24_7(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_pDevice->IsCmykImage()); - dest_scan = - (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1); - ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left + - (span_left << 1); - clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) - - clip_left + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start + (col_start << 1); - ori_scan += col_start + (col_start << 1); -#if 1 - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (src_alpha == 255 && cover_scan == 255) { - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan++ = m_Red; - ori_scan += 3; - continue; - } - int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha); - int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha); - int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha); - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan); - dest_scan++; - } -#else - if (m_bFullCover) { - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (!src_alpha) { - *dest_scan++ = *ori_scan++; - *dest_scan++ = *ori_scan++; - *dest_scan++ = *ori_scan++; - continue; - } - if (src_alpha == 255) { - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan++ = m_Red; - ori_scan += 3; - continue; - } - *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha); - *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha); - *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha); - } - } else { - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (src_alpha == 255 && cover_scan == 255) { - *dest_scan++ = m_Blue; - *dest_scan++ = m_Green; - *dest_scan++ = m_Red; - ori_scan += 3; - continue; - } - int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha); - int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha); - int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha); - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan); - dest_scan++; - } - } -#endif -} -void CFX_SkiaRenderer::CompositeSpanRGB24_10(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - dest_scan = - (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1); - dest_extra_alpha_scan = - (uint8_t*)m_pDevice->m_pAlphaMask->GetScanline(span_top) + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start + (col_start << 1); -#if 1 - if (m_Alpha == 255 && cover_scan == 255) { - for (int col = col_start; col < col_end; col++) { - *dest_scan++ = (uint8_t)m_Blue; - *dest_scan++ = (uint8_t)m_Green; - *dest_scan++ = (uint8_t)m_Red; - *dest_extra_alpha_scan++ = 255; - } - return; - } - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - // Dest format: Rgba - // calculate destination alpha (it's union of source and dest alpha) - uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha - - (*dest_extra_alpha_scan) * src_alpha / 255; - *dest_extra_alpha_scan++ = dest_alpha; - int alpha_ratio = src_alpha * 255 / dest_alpha; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); - dest_scan++; - } -#else - if (m_bFullCover) { - if (m_Alpha == 255) { - for (int col = col_start; col < col_end; col++) { - *dest_scan++ = (uint8_t)m_Blue; - *dest_scan++ = (uint8_t)m_Green; - *dest_scan++ = (uint8_t)m_Red; - *dest_extra_alpha_scan++ = 255; - } - return; - } - for (int col = col_start; col < col_end; col++) { - // Dest format: Rgba - // calculate destination alpha (it's union of source and dest alpha) - uint8_t dest_alpha = (*dest_extra_alpha_scan) + m_Alpha - - (*dest_extra_alpha_scan) * m_Alpha / 255; - *dest_extra_alpha_scan++ = dest_alpha; - int alpha_ratio = m_Alpha * 255 / dest_alpha; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); - dest_scan++; - } - } else { - if (m_Alpha == 255 && cover_scan == 255) { - for (int col = col_start; col < col_end; col++) { - *dest_scan++ = (uint8_t)m_Blue; - *dest_scan++ = (uint8_t)m_Green; - *dest_scan++ = (uint8_t)m_Red; - *dest_extra_alpha_scan++ = 255; - } - return; - } - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - // Dest format: Rgba - // calculate destination alpha (it's union of source and dest alpha) - uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha - - (*dest_extra_alpha_scan) * src_alpha / 255; - *dest_extra_alpha_scan++ = dest_alpha; - int alpha_ratio = src_alpha * 255 / dest_alpha; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); - dest_scan++; - } - } -#endif -} -void CFX_SkiaRenderer::CompositeSpanRGB24_14(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - dest_scan = - (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1); - dest_extra_alpha_scan = - (uint8_t*)m_pDevice->m_pAlphaMask->GetScanline(span_top) + span_left; - clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) - - clip_left + span_left; - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start + (col_start << 1); -#if 1 - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - int src_alpha1 = src_alpha * clip_scan[col] / 255; - if (!src_alpha1) { - dest_extra_alpha_scan++; - dest_scan += 3; - continue; - } - if (src_alpha1 == 255) { - *dest_scan++ = (uint8_t)m_Blue; - *dest_scan++ = (uint8_t)m_Green; - *dest_scan++ = (uint8_t)m_Red; - *dest_extra_alpha_scan++ = (uint8_t)m_Alpha; - } else { - // Dest format: Rgba - // calculate destination alpha (it's union of source and dest alpha) - uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha1 - - (*dest_extra_alpha_scan) * src_alpha1 / 255; - *dest_extra_alpha_scan++ = dest_alpha; - int alpha_ratio = src_alpha1 * 255 / dest_alpha; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); - dest_scan++; - } - } -#else - if (m_bFullCover) { - for (int col = col_start; col < col_end; col++) { - int src_alpha = m_Alpha * clip_scan[col] / 255; - if (!src_alpha) { - dest_extra_alpha_scan++; - dest_scan += 3; - continue; - } - if (src_alpha == 255) { - *dest_scan++ = (uint8_t)m_Blue; - *dest_scan++ = (uint8_t)m_Green; - *dest_scan++ = (uint8_t)m_Red; - *dest_extra_alpha_scan++ = (uint8_t)m_Alpha; - } else { - // Dest format: Rgba - // calculate destination alpha (it's union of source and dest alpha) - uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha - - (*dest_extra_alpha_scan) * src_alpha / 255; - *dest_extra_alpha_scan++ = dest_alpha; - int alpha_ratio = src_alpha * 255 / dest_alpha; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); - dest_scan++; - } - } - } else { - int src_alpha = m_Alpha * cover_scan / 255; - for (int col = col_start; col < col_end; col++) { - int src_alpha1 = m_Alpha * cover_scan * clip_scan[col] / 255; - if (!src_alpha1) { - dest_extra_alpha_scan++; - dest_scan += 3; - continue; - } - if (src_alpha1 == 255) { - *dest_scan++ = (uint8_t)m_Blue; - *dest_scan++ = (uint8_t)m_Green; - *dest_scan++ = (uint8_t)m_Red; - *dest_extra_alpha_scan++ = (uint8_t)m_Alpha; - } else { - // Dest format: Rgba - // calculate destination alpha (it's union of source and dest alpha) - uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha1 - - (*dest_extra_alpha_scan) * src_alpha1 / 255; - *dest_extra_alpha_scan++ = dest_alpha; - int alpha_ratio = src_alpha1 * 255 / dest_alpha; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); - dest_scan++; - } - } - } -#endif -} -/*-----------------------------------------------------------------------------------------------------*/ - -// A general alpha merge function (with clipping mask). Cmyka/Cmyk device. -void CFX_SkiaRenderer::CompositeSpanCMYK(uint8_t* dest_scan, - uint8_t* ori_scan, - int Bpp, - int span_left, - int span_len, - int span_top, - uint8_t cover_scan, - int clip_top, - int clip_left, - int clip_right, - uint8_t* clip_scan, - uint8_t* dest_extra_alpha_scan) { - ASSERT(!m_bRgbByteOrder); - // Cmyk(a) - int col_start = span_left < clip_left ? clip_left - span_left : 0; - int col_end = - (span_left + span_len) < clip_right ? span_len : (clip_right - span_left); - if (col_end < col_start) - return; // do nothing. - dest_scan += col_start * 4; - Bpp; // for avoid compile warning. - - if (dest_extra_alpha_scan) { - // CMYKa - for (int col = col_start; col < col_end; col++) { - int src_alpha; - if (m_bFullCover) { - if (clip_scan) - src_alpha = m_Alpha * clip_scan[col] / 255; - else - src_alpha = m_Alpha; - } else { - if (clip_scan) - src_alpha = m_Alpha * cover_scan * clip_scan[col] / 255 / 255; - else - src_alpha = m_Alpha * cover_scan / 255; - } - - if (src_alpha) { - if (src_alpha == 255) { - *(FX_CMYK*)dest_scan = m_Color; - *dest_extra_alpha_scan = (uint8_t)m_Alpha; - } else { - // Dest format: Cmyka - // calculate destination alpha (it's union of source and dest alpha) - uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha - - (*dest_extra_alpha_scan) * src_alpha / 255; - *dest_extra_alpha_scan++ = dest_alpha; - int alpha_ratio = src_alpha * 255 / dest_alpha; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio); - dest_scan++; - continue; - } - } - dest_extra_alpha_scan++; - dest_scan += 4; - } - } else { - // CMYK - for (int col = col_start; col < col_end; col++) { - int src_alpha; - if (clip_scan) - src_alpha = m_Alpha * cover_scan * clip_scan[col] / 255 / 255; - else - src_alpha = m_Alpha * cover_scan / 255; - - if (src_alpha) { - if (src_alpha == 255) { - *(FX_CMYK*)dest_scan = m_Color; - } else { - // Dest format: cmyk - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha); - dest_scan++; - *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha); - dest_scan++; - continue; - } - } - dest_scan += 4; - } - } -} - -//-------------------------------------------------------------------- -FX_BOOL CFX_SkiaRenderer::Init( - CFX_DIBitmap* pDevice, - CFX_DIBitmap* pOriDevice, - const CFX_ClipRgn* pClipRgn, - FX_DWORD color, - FX_BOOL bFullCover, - FX_BOOL bRgbByteOrder, - int alpha_flag, - void* pIccTransform) { // The alpha flag must be fill_flag if exist. - m_pDevice = pDevice; - m_pClipRgn = pClipRgn; - m_bRgbByteOrder = bRgbByteOrder; - m_pOriDevice = pOriDevice; - m_pDestScan = NULL; - m_pDestExtraAlphaScan = NULL; - m_pOriScan = NULL; - m_pClipScan = NULL; - composite_span = NULL; - if (m_pClipRgn) { - m_ClipBox = m_pClipRgn->GetBox(); - } else { - m_ClipBox.left = m_ClipBox.top = 0; - m_ClipBox.right = m_pDevice->GetWidth(); - m_ClipBox.bottom = m_pDevice->GetHeight(); - } - m_pClipMask = NULL; - if (m_pClipRgn && m_pClipRgn->GetType() == CFX_ClipRgn::MaskF) { - m_pClipMask = m_pClipRgn->GetMask(); - m_pClipScan = m_pClipMask->GetBuffer(); - } - if (m_pDevice->m_pAlphaMask) - m_pDestExtraAlphaScan = m_pDevice->m_pAlphaMask->GetBuffer(); - if (m_pOriDevice) - m_pOriScan = m_pOriDevice->GetBuffer(); - m_pDestScan = m_pDevice->GetBuffer(); - - m_bFullCover = bFullCover; - - FX_BOOL bObjectCMYK = FXGETFLAG_COLORTYPE(alpha_flag); - FX_BOOL bDeviceCMYK = pDevice->IsCmykImage(); - - m_Alpha = bObjectCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color); - - ICodec_IccModule* pIccModule = NULL; - // No lcms engine, we skip the transform - if (!CFX_GEModule::Get()->GetCodecModule() || - !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) - pIccTransform = NULL; - else - pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); - - if (m_pDevice->GetBPP() == 8) { // Gray(a) device - ASSERT(!m_bRgbByteOrder); - if (m_pDevice->IsAlphaMask()) { - // Alpha Mask - m_Gray = 255; - } else { - // Gray(a) device - if (pIccTransform) { - uint8_t gray; - color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color); - pIccModule->TranslateScanline(pIccTransform, &gray, - (const uint8_t*)&color, 1); - m_Gray = gray; - } else { - if (bObjectCMYK) { - uint8_t r, g, b; - AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color), - FXSYS_GetYValue(color), FXSYS_GetKValue(color), r, - g, b); - m_Gray = FXRGB2GRAY(r, g, b); - } else { - m_Gray = - FXRGB2GRAY(FXARGB_R(color), FXARGB_G(color), FXARGB_B(color)); - } - } - } - } else { - if (bDeviceCMYK) { // Cmyk(a) Device - ASSERT(!m_bRgbByteOrder); - // TODO ... opt for cmyk - composite_span = &CFX_SkiaRenderer::CompositeSpanCMYK; - if (bObjectCMYK) { - m_Color = FXCMYK_TODIB(color); - if (pIccTransform) - pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, - (const uint8_t*)&m_Color, 1); - } else { // Object RGB - if (!pIccTransform) - return FALSE; - color = FXARGB_TODIB(color); - pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, - (const uint8_t*)&color, 1); - } - m_Red = ((uint8_t*)&m_Color)[0]; - m_Green = ((uint8_t*)&m_Color)[1]; - m_Blue = ((uint8_t*)&m_Color)[2]; - m_Gray = ((uint8_t*)&m_Color)[3]; - return TRUE; - } - if (pIccTransform) { - color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color); - pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, - (const uint8_t*)&color, 1); - ((uint8_t*)&m_Color)[3] = m_Alpha; - m_Red = ((uint8_t*)&m_Color)[2]; - m_Green = ((uint8_t*)&m_Color)[1]; - m_Blue = ((uint8_t*)&m_Color)[0]; - // Need Johnson to improvement it. - if (m_bRgbByteOrder) { - // swap - m_Red = ((uint8_t*)&m_Color)[0]; - m_Blue = ((uint8_t*)&m_Color)[2]; - m_Color = FXARGB_TODIB(m_Color); - m_Color = FXARGB_TOBGRORDERDIB(m_Color); - } - } else { - if (bObjectCMYK) { - uint8_t r, g, b; - AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color), - FXSYS_GetYValue(color), FXSYS_GetKValue(color), r, g, - b); - m_Color = FXARGB_MAKE(m_Alpha, r, g, b); - if (m_bRgbByteOrder) { - m_Color = FXARGB_TOBGRORDERDIB(m_Color); - m_Red = b; - m_Green = g; - m_Blue = r; // - } else { - m_Color = FXARGB_TODIB(m_Color); - m_Red = r; - m_Green = g; - m_Blue = b; // - } - } else { - if (m_bRgbByteOrder) { - m_Color = FXARGB_TOBGRORDERDIB(color); - ArgbDecode(color, m_Alpha, m_Blue, m_Green, m_Red); // - } else { - m_Color = FXARGB_TODIB(color); - ArgbDecode(color, m_Alpha, m_Red, m_Green, m_Blue); - } - } - } - } - // Get palette transparency selector - m_ProcessFilter = - (m_pOriDevice ? 1 : 0) /* has Ori Device flag */ - + (m_pDevice->GetBPP() >= 8 ? 2 : 0) /* bpp flag */ - + (m_pClipMask ? 4 : 0) /* has clip region flag */ - + (m_pDevice->m_pAlphaMask ? 8 : 0); /* has Alpha Mask chanel flag */ - switch (m_ProcessFilter) { - case 0: - composite_span = &CFX_SkiaRenderer::CompositeSpan1bpp_0; - break; - case 2: { - if (m_pDevice->GetBPP() == 8) - composite_span = &CFX_SkiaRenderer::CompositeSpanGray_2; - else if (m_pDevice->GetBPP() == 24) - composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_2; - else - composite_span = m_pDevice->HasAlpha() - ? &CFX_SkiaRenderer::CompositeSpanARGB_2 - : &CFX_SkiaRenderer::CompositeSpanRGB32_2; - } break; - case 3: { - if (m_pDevice->GetBPP() == 8) - composite_span = &CFX_SkiaRenderer::CompositeSpanGray_3; - else if (m_pDevice->GetBPP() == 24) - composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_3; - else - composite_span = m_pDevice->HasAlpha() - ? &CFX_SkiaRenderer::CompositeSpanARGB_3 - : &CFX_SkiaRenderer::CompositeSpanRGB32_3; - } break; - case 4: - composite_span = &CFX_SkiaRenderer::CompositeSpan1bpp_4; - break; - case 6: { - if (m_pDevice->GetBPP() == 8) - composite_span = &CFX_SkiaRenderer::CompositeSpanGray_6; - else if (m_pDevice->GetBPP() == 24) - composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_6; - else - composite_span = m_pDevice->HasAlpha() - ? &CFX_SkiaRenderer::CompositeSpanARGB_6 - : &CFX_SkiaRenderer::CompositeSpanRGB32_6; - } break; - case 7: { - if (m_pDevice->GetBPP() == 8) - composite_span = &CFX_SkiaRenderer::CompositeSpanGray_7; - else if (m_pDevice->GetBPP() == 24) - composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_7; - else - composite_span = m_pDevice->HasAlpha() - ? &CFX_SkiaRenderer::CompositeSpanARGB_7 - : &CFX_SkiaRenderer::CompositeSpanRGB32_7; - } break; - case 1: - case 5: - case 8: - case 9: - case 11: - case 12: - case 13: - case 15: - // TODO ... - break; - case 10: - composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_10; - break; - case 14: - composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_14; - break; - } - return !!composite_span; -} - -/*----------------------------------------------------------------------------------------------------*/ -void CFX_SkiaA8Renderer::blitAntiH(int x, - int y, - const SkAlpha antialias[], - const int16_t runs[]) { - FXSYS_assert(m_pDevice); - int dst_y = y - m_Top; - if (dst_y < 0 || dst_y >= m_pDevice->GetHeight()) - return; - - uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * dst_y; - uint8_t* dest_pos = dest_scan; - while (1) { - if (x >= m_dstWidth) - return; - int width = runs[0]; - SkASSERT(width >= 0); - if (width <= 0) - return; - unsigned aa = antialias[0]; - if (aa) { - int col_start = x < m_Left ? 0 : x - m_Left; - int col_end = x + width; - col_end = col_end < m_dstWidth ? col_end - m_Left : m_pDevice->GetWidth(); - int result = col_end - col_start; - if (result > 0) { - dest_pos = dest_scan + col_start; - if (result >= 4) - FXSYS_memset(dest_pos, FXARGB_MAKE(aa, aa, aa, aa), result); - else - FXSYS_memset(dest_pos, aa, result); - } - } - runs += width; - antialias += width; - x += width; - } -} -void CFX_SkiaA8Renderer::blitH(int x, int y, int width) { - FXSYS_assert(m_pDevice); - int dst_y = y - m_Top; - if (dst_y < 0 || dst_y >= m_pDevice->GetHeight()) - return; - if (x >= m_dstWidth) - return; - uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * dst_y; - int col_start = x < m_Left ? 0 : x - m_Left; - int col_end = x + width; - col_end = col_end < m_dstWidth ? col_end - m_Left : m_pDevice->GetWidth(); - int result = col_end - col_start; - if (result > 0) { - uint8_t* dest_pos = dest_scan + col_start; - if (result >= 4) - FXSYS_memset(dest_pos, 0xffffffff, result); - else - FXSYS_memset(dest_pos, 255, result); - } -} -void CFX_SkiaA8Renderer::blitV(int x, int y, int height, SkAlpha alpha) { - FXSYS_assert(alpha); - if (alpha == 255) { - blitRect(x, y, 1, height); - } else { - int16_t runs[2]; - runs[0] = 1; - runs[1] = 0; - while (--height >= 0) { - if (y >= m_dstHeight) - return; - blitAntiH(x, y++, &alpha, runs); - } - } -} -void CFX_SkiaA8Renderer::blitRect(int x, int y, int width, int height) { - FXSYS_assert(m_pDevice); - while (--height >= 0) { - if (y >= m_dstHeight) - return; - blitH(x, y++, width); - } -} - -void CFX_SkiaA8Renderer::blitAntiRect(int x, - int y, - int width, - int height, - SkAlpha leftAlpha, - SkAlpha rightAlpha) { - blitV(x++, y, height, leftAlpha); - if (width > 0) { - blitRect(x, y, width, height); - x += width; - } - blitV(x, y, height, rightAlpha); -} - -FX_BOOL CFX_SkiaA8Renderer::Init(CFX_DIBitmap* pDevice, int Left, int Top) { - m_pDevice = pDevice; - m_Left = Left; - m_Top = Top; - if (pDevice) { - m_dstWidth = m_Left + pDevice->GetWidth(); - m_dstHeight = m_Top + pDevice->GetHeight(); - } - return TRUE; -} -#endif |