| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "core/fxge/agg/fx_agg_driver.h" |
| |
| #include <algorithm> |
| |
| #include "core/fxge/dib/dib_int.h" |
| #include "core/fxge/ge/fx_text_int.h" |
| #include "core/include/fxcodec/fx_codec.h" |
| #include "core/include/fxge/fx_ge.h" |
| #include "third_party/agg23/agg_conv_dash.h" |
| #include "third_party/agg23/agg_conv_stroke.h" |
| #include "third_party/agg23/agg_curves.h" |
| #include "third_party/agg23/agg_path_storage.h" |
| #include "third_party/agg23/agg_pixfmt_gray.h" |
| #include "third_party/agg23/agg_rasterizer_scanline_aa.h" |
| #include "third_party/agg23/agg_renderer_scanline.h" |
| #include "third_party/agg23/agg_scanline_u.h" |
| |
| namespace { |
| |
| void HardClip(FX_FLOAT& x, FX_FLOAT& y) { |
| x = std::max(std::min(x, 50000.0f), -50000.0f); |
| y = std::max(std::min(y, 50000.0f), -50000.0f); |
| } |
| |
| } // namespace |
| |
| void CAgg_PathData::BuildPath(const CFX_PathData* pPathData, |
| const CFX_Matrix* pObject2Device) { |
| int nPoints = pPathData->GetPointCount(); |
| FX_PATHPOINT* pPoints = pPathData->GetPoints(); |
| for (int i = 0; i < nPoints; i++) { |
| FX_FLOAT x = pPoints[i].m_PointX, y = pPoints[i].m_PointY; |
| if (pObject2Device) { |
| pObject2Device->Transform(x, y); |
| } |
| HardClip(x, y); |
| int point_type = pPoints[i].m_Flag & FXPT_TYPE; |
| if (point_type == FXPT_MOVETO) { |
| m_PathData.move_to(x, y); |
| } else if (point_type == FXPT_LINETO) { |
| if (pPoints[i - 1].m_Flag == FXPT_MOVETO && |
| (i == nPoints - 1 || pPoints[i + 1].m_Flag == FXPT_MOVETO) && |
| pPoints[i].m_PointX == pPoints[i - 1].m_PointX && |
| pPoints[i].m_PointY == pPoints[i - 1].m_PointY) { |
| x += 1; |
| } |
| m_PathData.line_to(x, y); |
| } else if (point_type == FXPT_BEZIERTO) { |
| FX_FLOAT x0 = pPoints[i - 1].m_PointX, y0 = pPoints[i - 1].m_PointY; |
| FX_FLOAT x2 = pPoints[i + 1].m_PointX, y2 = pPoints[i + 1].m_PointY; |
| FX_FLOAT x3 = pPoints[i + 2].m_PointX, y3 = pPoints[i + 2].m_PointY; |
| if (pObject2Device) { |
| pObject2Device->Transform(x0, y0); |
| pObject2Device->Transform(x2, y2); |
| pObject2Device->Transform(x3, y3); |
| } |
| agg::curve4 curve(x0, y0, x, y, x2, y2, x3, y3); |
| i += 2; |
| m_PathData.add_path_curve(curve); |
| } |
| if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE) { |
| m_PathData.end_poly(); |
| } |
| } |
| } |
| namespace agg { |
| |
| template <class BaseRenderer> |
| class renderer_scanline_aa_offset { |
| public: |
| typedef BaseRenderer base_ren_type; |
| typedef typename base_ren_type::color_type color_type; |
| renderer_scanline_aa_offset(base_ren_type& ren, unsigned left, unsigned top) |
| : m_ren(&ren), m_left(left), m_top(top) {} |
| void color(const color_type& c) { m_color = c; } |
| const color_type& color() const { return m_color; } |
| void prepare(unsigned) {} |
| template <class Scanline> |
| void render(const Scanline& sl) { |
| int y = sl.y(); |
| unsigned num_spans = sl.num_spans(); |
| typename Scanline::const_iterator span = sl.begin(); |
| for (;;) { |
| int x = span->x; |
| if (span->len > 0) { |
| m_ren->blend_solid_hspan(x - m_left, y - m_top, (unsigned)span->len, |
| m_color, span->covers); |
| } else { |
| m_ren->blend_hline(x - m_left, y - m_top, (unsigned)(x - span->len - 1), |
| m_color, *(span->covers)); |
| } |
| if (--num_spans == 0) { |
| break; |
| } |
| ++span; |
| } |
| } |
| |
| private: |
| base_ren_type* m_ren; |
| color_type m_color; |
| unsigned m_left, m_top; |
| }; |
| |
| } // namespace agg |
| |
| static void RasterizeStroke(agg::rasterizer_scanline_aa& rasterizer, |
| agg::path_storage& path_data, |
| const CFX_Matrix* pObject2Device, |
| const CFX_GraphStateData* pGraphState, |
| FX_FLOAT scale = 1.0f, |
| FX_BOOL bStrokeAdjust = FALSE, |
| FX_BOOL bTextMode = FALSE) { |
| agg::line_cap_e cap; |
| switch (pGraphState->m_LineCap) { |
| case CFX_GraphStateData::LineCapRound: |
| cap = agg::round_cap; |
| break; |
| case CFX_GraphStateData::LineCapSquare: |
| cap = agg::square_cap; |
| break; |
| default: |
| cap = agg::butt_cap; |
| break; |
| } |
| agg::line_join_e join; |
| switch (pGraphState->m_LineJoin) { |
| case CFX_GraphStateData::LineJoinRound: |
| join = agg::round_join; |
| break; |
| case CFX_GraphStateData::LineJoinBevel: |
| join = agg::bevel_join; |
| break; |
| default: |
| join = agg::miter_join_revert; |
| break; |
| } |
| FX_FLOAT width = pGraphState->m_LineWidth * scale; |
| FX_FLOAT unit = 1.f; |
| if (pObject2Device) { |
| unit = |
| 1.0f / ((pObject2Device->GetXUnit() + pObject2Device->GetYUnit()) / 2); |
| } |
| if (width < unit) { |
| width = unit; |
| } |
| if (pGraphState->m_DashArray) { |
| typedef agg::conv_dash<agg::path_storage> dash_converter; |
| dash_converter dash(path_data); |
| for (int i = 0; i < (pGraphState->m_DashCount + 1) / 2; i++) { |
| FX_FLOAT on = pGraphState->m_DashArray[i * 2]; |
| if (on <= 0.000001f) { |
| on = 1.0f / 10; |
| } |
| FX_FLOAT off = i * 2 + 1 == pGraphState->m_DashCount |
| ? on |
| : pGraphState->m_DashArray[i * 2 + 1]; |
| if (off < 0) { |
| off = 0; |
| } |
| dash.add_dash(on * scale, off * scale); |
| } |
| dash.dash_start(pGraphState->m_DashPhase * scale); |
| typedef agg::conv_stroke<dash_converter> dash_stroke; |
| dash_stroke stroke(dash); |
| stroke.line_join(join); |
| stroke.line_cap(cap); |
| stroke.miter_limit(pGraphState->m_MiterLimit); |
| stroke.width(width); |
| rasterizer.add_path_transformed(stroke, pObject2Device); |
| } else { |
| agg::conv_stroke<agg::path_storage> stroke(path_data); |
| stroke.line_join(join); |
| stroke.line_cap(cap); |
| stroke.miter_limit(pGraphState->m_MiterLimit); |
| stroke.width(width); |
| rasterizer.add_path_transformed(stroke, pObject2Device); |
| } |
| } |
| |
| IFX_RenderDeviceDriver* IFX_RenderDeviceDriver::CreateFxgeDriver( |
| CFX_DIBitmap* pBitmap, |
| FX_BOOL bRgbByteOrder, |
| CFX_DIBitmap* pOriDevice, |
| FX_BOOL bGroupKnockout) { |
| return new CFX_AggDeviceDriver(pBitmap, 0, bRgbByteOrder, pOriDevice, |
| bGroupKnockout); |
| } |
| |
| CFX_AggDeviceDriver::CFX_AggDeviceDriver(CFX_DIBitmap* pBitmap, |
| int dither_bits, |
| FX_BOOL bRgbByteOrder, |
| CFX_DIBitmap* pOriDevice, |
| FX_BOOL bGroupKnockout) { |
| m_pBitmap = pBitmap; |
| m_DitherBits = dither_bits; |
| m_pClipRgn = NULL; |
| m_pPlatformBitmap = NULL; |
| m_pPlatformGraphics = NULL; |
| m_pDwRenderTartget = NULL; |
| m_bRgbByteOrder = bRgbByteOrder; |
| m_pOriDevice = pOriDevice; |
| m_bGroupKnockout = bGroupKnockout; |
| m_FillFlags = 0; |
| InitPlatform(); |
| } |
| |
| CFX_AggDeviceDriver::~CFX_AggDeviceDriver() { |
| delete m_pClipRgn; |
| for (int i = 0; i < m_StateStack.GetSize(); i++) |
| delete m_StateStack[i]; |
| DestroyPlatform(); |
| } |
| |
| uint8_t* CFX_AggDeviceDriver::GetBuffer() const { |
| return m_pBitmap->GetBuffer(); |
| } |
| |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ |
| void CFX_AggDeviceDriver::InitPlatform() {} |
| |
| void CFX_AggDeviceDriver::DestroyPlatform() {} |
| |
| FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(int nChars, |
| const FXTEXT_CHARPOS* pCharPos, |
| CFX_Font* pFont, |
| CFX_FontCache* pCache, |
| const CFX_Matrix* pObject2Device, |
| FX_FLOAT font_size, |
| uint32_t color, |
| int alpha_flag, |
| void* pIccTransform) { |
| return FALSE; |
| } // _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ |
| #endif |
| |
| int CFX_AggDeviceDriver::GetDeviceCaps(int caps_id) { |
| switch (caps_id) { |
| case FXDC_DEVICE_CLASS: |
| return FXDC_DISPLAY; |
| case FXDC_PIXEL_WIDTH: |
| return m_pBitmap->GetWidth(); |
| case FXDC_PIXEL_HEIGHT: |
| return m_pBitmap->GetHeight(); |
| case FXDC_BITS_PIXEL: |
| return m_pBitmap->GetBPP(); |
| case FXDC_HORZ_SIZE: |
| case FXDC_VERT_SIZE: |
| return 0; |
| case FXDC_RENDER_CAPS: { |
| int flags = FXRC_GET_BITS | FXRC_ALPHA_PATH | FXRC_ALPHA_IMAGE | |
| FXRC_BLEND_MODE | FXRC_SOFT_CLIP; |
| if (m_pBitmap->HasAlpha()) { |
| flags |= FXRC_ALPHA_OUTPUT; |
| } else if (m_pBitmap->IsAlphaMask()) { |
| if (m_pBitmap->GetBPP() == 1) { |
| flags |= FXRC_BITMASK_OUTPUT; |
| } else { |
| flags |= FXRC_BYTEMASK_OUTPUT; |
| } |
| } |
| if (m_pBitmap->IsCmykImage()) { |
| flags |= FXRC_CMYK_OUTPUT; |
| } |
| return flags; |
| } |
| case FXDC_DITHER_BITS: |
| return m_DitherBits; |
| } |
| return 0; |
| } |
| |
| void CFX_AggDeviceDriver::SaveState() { |
| CFX_ClipRgn* pClip = NULL; |
| if (m_pClipRgn) { |
| pClip = new CFX_ClipRgn(*m_pClipRgn); |
| } |
| m_StateStack.Add(pClip); |
| } |
| |
| void CFX_AggDeviceDriver::RestoreState(FX_BOOL bKeepSaved) { |
| if (m_StateStack.GetSize() == 0) { |
| delete m_pClipRgn; |
| m_pClipRgn = NULL; |
| return; |
| } |
| CFX_ClipRgn* pSavedClip = m_StateStack[m_StateStack.GetSize() - 1]; |
| delete m_pClipRgn; |
| m_pClipRgn = NULL; |
| if (bKeepSaved) { |
| if (pSavedClip) { |
| m_pClipRgn = new CFX_ClipRgn(*pSavedClip); |
| } |
| } else { |
| m_StateStack.RemoveAt(m_StateStack.GetSize() - 1); |
| m_pClipRgn = pSavedClip; |
| } |
| } |
| |
| void CFX_AggDeviceDriver::SetClipMask(agg::rasterizer_scanline_aa& rasterizer) { |
| FX_RECT path_rect(rasterizer.min_x(), rasterizer.min_y(), |
| rasterizer.max_x() + 1, rasterizer.max_y() + 1); |
| path_rect.Intersect(m_pClipRgn->GetBox()); |
| CFX_DIBitmapRef mask; |
| CFX_DIBitmap* pThisLayer = mask.New(); |
| if (!pThisLayer) { |
| return; |
| } |
| pThisLayer->Create(path_rect.Width(), path_rect.Height(), FXDIB_8bppMask); |
| pThisLayer->Clear(0); |
| agg::rendering_buffer raw_buf(pThisLayer->GetBuffer(), pThisLayer->GetWidth(), |
| pThisLayer->GetHeight(), |
| pThisLayer->GetPitch()); |
| agg::pixfmt_gray8 pixel_buf(raw_buf); |
| agg::renderer_base<agg::pixfmt_gray8> base_buf(pixel_buf); |
| agg::renderer_scanline_aa_offset<agg::renderer_base<agg::pixfmt_gray8> > |
| final_render(base_buf, path_rect.left, path_rect.top); |
| final_render.color(agg::gray8(255)); |
| agg::scanline_u8 scanline; |
| agg::render_scanlines(rasterizer, scanline, final_render, |
| (m_FillFlags & FXFILL_NOPATHSMOOTH) != 0); |
| m_pClipRgn->IntersectMaskF(path_rect.left, path_rect.top, mask); |
| } |
| |
| FX_BOOL CFX_AggDeviceDriver::SetClip_PathFill(const CFX_PathData* pPathData, |
| const CFX_Matrix* pObject2Device, |
| int fill_mode) { |
| m_FillFlags = fill_mode; |
| if (!m_pClipRgn) { |
| m_pClipRgn = new CFX_ClipRgn(GetDeviceCaps(FXDC_PIXEL_WIDTH), |
| GetDeviceCaps(FXDC_PIXEL_HEIGHT)); |
| } |
| if (pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) { |
| CFX_FloatRect rectf; |
| if (pPathData->IsRect(pObject2Device, &rectf)) { |
| rectf.Intersect( |
| CFX_FloatRect(0, 0, (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_WIDTH), |
| (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_HEIGHT))); |
| FX_RECT rect = rectf.GetOutterRect(); |
| m_pClipRgn->IntersectRect(rect); |
| return TRUE; |
| } |
| } |
| CAgg_PathData path_data; |
| path_data.BuildPath(pPathData, pObject2Device); |
| path_data.m_PathData.end_poly(); |
| agg::rasterizer_scanline_aa rasterizer; |
| rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)), |
| (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT))); |
| rasterizer.add_path(path_data.m_PathData); |
| rasterizer.filling_rule((fill_mode & 3) == FXFILL_WINDING |
| ? agg::fill_non_zero |
| : agg::fill_even_odd); |
| SetClipMask(rasterizer); |
| return TRUE; |
| } |
| |
| FX_BOOL CFX_AggDeviceDriver::SetClip_PathStroke( |
| const CFX_PathData* pPathData, |
| const CFX_Matrix* pObject2Device, |
| const CFX_GraphStateData* pGraphState) { |
| if (!m_pClipRgn) { |
| m_pClipRgn = new CFX_ClipRgn(GetDeviceCaps(FXDC_PIXEL_WIDTH), |
| GetDeviceCaps(FXDC_PIXEL_HEIGHT)); |
| } |
| CAgg_PathData path_data; |
| path_data.BuildPath(pPathData, NULL); |
| agg::rasterizer_scanline_aa rasterizer; |
| rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)), |
| (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT))); |
| RasterizeStroke(rasterizer, path_data.m_PathData, pObject2Device, |
| pGraphState); |
| rasterizer.filling_rule(agg::fill_non_zero); |
| SetClipMask(rasterizer); |
| return TRUE; |
| } |
| |
| class CFX_Renderer { |
| private: |
| int m_Alpha, m_Red, m_Green, m_Blue, m_Gray; |
| uint32_t m_Color; |
| FX_BOOL m_bFullCover; |
| FX_BOOL m_bRgbByteOrder; |
| CFX_DIBitmap* m_pOriDevice; |
| FX_RECT m_ClipBox; |
| const CFX_DIBitmap* m_pClipMask; |
| CFX_DIBitmap* m_pDevice; |
| const CFX_ClipRgn* m_pClipRgn; |
| void (CFX_Renderer::*composite_span)(uint8_t*, |
| int, |
| int, |
| int, |
| uint8_t*, |
| int, |
| int, |
| uint8_t*, |
| uint8_t*); |
| |
| public: |
| void prepare(unsigned) {} |
| |
| void CompositeSpan(uint8_t* dest_scan, |
| uint8_t* ori_scan, |
| int Bpp, |
| FX_BOOL bDestAlpha, |
| int span_left, |
| int span_len, |
| uint8_t* cover_scan, |
| int clip_left, |
| int clip_right, |
| uint8_t* clip_scan) { |
| ASSERT(!m_pDevice->IsCmykImage()); |
| 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 (Bpp) { |
| dest_scan += col_start * Bpp; |
| ori_scan += col_start * Bpp; |
| } else { |
| dest_scan += col_start / 8; |
| ori_scan += col_start / 8; |
| } |
| if (m_bRgbByteOrder) { |
| if (Bpp == 4 && bDestAlpha) { |
| for (int col = col_start; col < col_end; col++) { |
| int src_alpha; |
| if (clip_scan) { |
| src_alpha = m_Alpha * clip_scan[col] / 255; |
| } else { |
| src_alpha = m_Alpha; |
| } |
| uint8_t dest_alpha = |
| ori_scan[3] + src_alpha - ori_scan[3] * src_alpha / 255; |
| dest_scan[3] = dest_alpha; |
| int alpha_ratio = src_alpha * 255 / dest_alpha; |
| if (m_bFullCover) { |
| *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio); |
| *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio); |
| *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio); |
| dest_scan++; |
| ori_scan++; |
| } else { |
| int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio); |
| int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio); |
| int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio); |
| ori_scan++; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]); |
| dest_scan++; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]); |
| dest_scan++; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]); |
| dest_scan += 2; |
| } |
| } |
| return; |
| } |
| if (Bpp == 3 || Bpp == 4) { |
| for (int col = col_start; col < col_end; col++) { |
| int src_alpha; |
| if (clip_scan) { |
| src_alpha = m_Alpha * clip_scan[col] / 255; |
| } else { |
| src_alpha = m_Alpha; |
| } |
| int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha); |
| int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha); |
| int b = FXDIB_ALPHA_MERGE(*ori_scan, m_Blue, src_alpha); |
| ori_scan += Bpp - 2; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]); |
| dest_scan++; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]); |
| dest_scan++; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]); |
| dest_scan += Bpp - 2; |
| } |
| } |
| return; |
| } |
| if (Bpp == 4 && bDestAlpha) { |
| for (int col = col_start; col < col_end; col++) { |
| int src_alpha; |
| if (clip_scan) { |
| src_alpha = m_Alpha * clip_scan[col] / 255; |
| } else { |
| src_alpha = m_Alpha; |
| } |
| int src_alpha_covered = src_alpha * cover_scan[col] / 255; |
| if (src_alpha_covered == 0) { |
| dest_scan += 4; |
| continue; |
| } |
| if (cover_scan[col] == 255) { |
| dest_scan[3] = src_alpha_covered; |
| *dest_scan++ = m_Blue; |
| *dest_scan++ = m_Green; |
| *dest_scan = m_Red; |
| dest_scan += 2; |
| continue; |
| } else { |
| 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; |
| } |
| uint8_t cover = cover_scan[col]; |
| dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], src_alpha, cover); |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover); |
| dest_scan++; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover); |
| dest_scan++; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover); |
| dest_scan += 2; |
| } |
| } |
| return; |
| } |
| if (Bpp == 3 || Bpp == 4) { |
| for (int col = col_start; col < col_end; col++) { |
| int src_alpha; |
| if (clip_scan) { |
| src_alpha = m_Alpha * clip_scan[col] / 255; |
| } else { |
| src_alpha = m_Alpha; |
| } |
| if (m_bFullCover) { |
| *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 += Bpp - 2; |
| ori_scan += Bpp - 2; |
| 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 += Bpp - 2; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]); |
| dest_scan++; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]); |
| dest_scan++; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]); |
| dest_scan += Bpp - 2; |
| continue; |
| } |
| return; |
| } |
| if (Bpp == 1) { |
| for (int col = col_start; col < col_end; col++) { |
| int src_alpha; |
| if (clip_scan) { |
| src_alpha = m_Alpha * clip_scan[col] / 255; |
| } else { |
| src_alpha = m_Alpha; |
| } |
| if (m_bFullCover) { |
| *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha); |
| } else { |
| int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha); |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan[col]); |
| dest_scan++; |
| } |
| } |
| } else { |
| 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; |
| for (int col = col_start; col < col_end; col++) { |
| int src_alpha; |
| if (clip_scan) { |
| src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; |
| } else { |
| src_alpha = m_Alpha * cover_scan[col] / 255; |
| } |
| 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 CompositeSpan1bpp(uint8_t* dest_scan, |
| int Bpp, |
| int span_left, |
| int span_len, |
| uint8_t* cover_scan, |
| int clip_left, |
| int clip_right, |
| uint8_t* clip_scan, |
| uint8_t* dest_extra_alpha_scan) { |
| ASSERT(!m_bRgbByteOrder); |
| ASSERT(!m_pDevice->IsCmykImage()); |
| 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); |
| 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; |
| for (int col = col_start; col < col_end; col++) { |
| int src_alpha; |
| if (clip_scan) { |
| src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; |
| } else { |
| src_alpha = m_Alpha * cover_scan[col] / 255; |
| } |
| 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 CompositeSpanGray(uint8_t* dest_scan, |
| int Bpp, |
| int span_left, |
| int span_len, |
| uint8_t* cover_scan, |
| int clip_left, |
| int clip_right, |
| uint8_t* clip_scan, |
| uint8_t* dest_extra_alpha_scan) { |
| ASSERT(!m_bRgbByteOrder); |
| 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); |
| dest_scan += col_start; |
| if (dest_extra_alpha_scan) { |
| 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[col] * clip_scan[col] / 255 / 255; |
| } else { |
| src_alpha = m_Alpha * cover_scan[col] / 255; |
| } |
| } |
| if (src_alpha) { |
| if (src_alpha == 255) { |
| *dest_scan = m_Gray; |
| *dest_extra_alpha_scan = m_Alpha; |
| } else { |
| 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_Gray, alpha_ratio); |
| dest_scan++; |
| continue; |
| } |
| } |
| dest_extra_alpha_scan++; |
| dest_scan++; |
| } |
| } else { |
| for (int col = col_start; col < col_end; col++) { |
| int src_alpha; |
| if (clip_scan) { |
| src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; |
| } else { |
| src_alpha = m_Alpha * cover_scan[col] / 255; |
| } |
| if (src_alpha) { |
| if (src_alpha == 255) { |
| *dest_scan = m_Gray; |
| } else { |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha); |
| } |
| } |
| dest_scan++; |
| } |
| } |
| } |
| |
| void CompositeSpanARGB(uint8_t* dest_scan, |
| int Bpp, |
| int span_left, |
| int span_len, |
| uint8_t* cover_scan, |
| int clip_left, |
| int clip_right, |
| uint8_t* clip_scan, |
| uint8_t* dest_extra_alpha_scan) { |
| 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); |
| dest_scan += col_start * Bpp; |
| if (m_bRgbByteOrder) { |
| 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[col] * clip_scan[col] / 255 / 255; |
| } else { |
| src_alpha = m_Alpha * cover_scan[col] / 255; |
| } |
| } |
| if (src_alpha) { |
| if (src_alpha == 255) { |
| *(uint32_t*)dest_scan = m_Color; |
| } else { |
| 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_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 += 2; |
| continue; |
| } |
| } |
| dest_scan += 4; |
| } |
| return; |
| } |
| 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[col] * clip_scan[col] / 255 / 255; |
| } else { |
| src_alpha = m_Alpha * cover_scan[col] / 255; |
| } |
| } |
| if (src_alpha) { |
| if (src_alpha == 255) { |
| *(uint32_t*)dest_scan = m_Color; |
| } else { |
| 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; |
| continue; |
| } |
| } |
| dest_scan += Bpp; |
| } |
| } |
| |
| void CompositeSpanRGB(uint8_t* dest_scan, |
| int Bpp, |
| int span_left, |
| int span_len, |
| uint8_t* cover_scan, |
| int clip_left, |
| int clip_right, |
| uint8_t* clip_scan, |
| uint8_t* dest_extra_alpha_scan) { |
| 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); |
| dest_scan += col_start * Bpp; |
| if (m_bRgbByteOrder) { |
| for (int col = col_start; col < col_end; col++) { |
| int src_alpha; |
| if (clip_scan) { |
| src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; |
| } else { |
| src_alpha = m_Alpha * cover_scan[col] / 255; |
| } |
| if (src_alpha) { |
| if (src_alpha == 255) { |
| if (Bpp == 4) { |
| *(uint32_t*)dest_scan = m_Color; |
| } else if (Bpp == 3) { |
| *dest_scan++ = m_Red; |
| *dest_scan++ = m_Green; |
| *dest_scan++ = m_Blue; |
| continue; |
| } |
| } else { |
| *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 += Bpp - 2; |
| continue; |
| } |
| } |
| dest_scan += Bpp; |
| } |
| return; |
| } |
| if (Bpp == 3 && dest_extra_alpha_scan) { |
| 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[col] * clip_scan[col] / 255 / 255; |
| } else { |
| src_alpha = m_Alpha * cover_scan[col] / 255; |
| } |
| } |
| if (src_alpha) { |
| 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; |
| continue; |
| } else { |
| 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++; |
| continue; |
| } |
| } |
| dest_extra_alpha_scan++; |
| dest_scan += Bpp; |
| } |
| } else { |
| 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[col] * clip_scan[col] / 255 / 255; |
| } else { |
| src_alpha = m_Alpha * cover_scan[col] / 255; |
| } |
| } |
| if (src_alpha) { |
| if (src_alpha == 255) { |
| if (Bpp == 4) { |
| *(uint32_t*)dest_scan = m_Color; |
| } else if (Bpp == 3) { |
| *dest_scan++ = m_Blue; |
| *dest_scan++ = m_Green; |
| *dest_scan++ = m_Red; |
| continue; |
| } |
| } else { |
| *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 += Bpp - 2; |
| continue; |
| } |
| } |
| dest_scan += Bpp; |
| } |
| } |
| } |
| |
| void CompositeSpanCMYK(uint8_t* dest_scan, |
| int Bpp, |
| int span_left, |
| int span_len, |
| uint8_t* cover_scan, |
| int clip_left, |
| int clip_right, |
| uint8_t* clip_scan, |
| uint8_t* dest_extra_alpha_scan) { |
| ASSERT(!m_bRgbByteOrder); |
| 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); |
| dest_scan += col_start * 4; |
| if (dest_extra_alpha_scan) { |
| 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[col] * clip_scan[col] / 255 / 255; |
| } else { |
| src_alpha = m_Alpha * cover_scan[col] / 255; |
| } |
| } |
| if (src_alpha) { |
| if (src_alpha == 255) { |
| *(FX_CMYK*)dest_scan = m_Color; |
| *dest_extra_alpha_scan = (uint8_t)m_Alpha; |
| } else { |
| 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 { |
| for (int col = col_start; col < col_end; col++) { |
| int src_alpha; |
| if (clip_scan) { |
| src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; |
| } else { |
| src_alpha = m_Alpha * cover_scan[col] / 255; |
| } |
| if (src_alpha) { |
| if (src_alpha == 255) { |
| *(FX_CMYK*)dest_scan = m_Color; |
| } else { |
| *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; |
| } |
| } |
| } |
| |
| template <class Scanline> |
| void render(const Scanline& sl) { |
| if (!m_pOriDevice && !composite_span) { |
| return; |
| } |
| int y = sl.y(); |
| if (y < m_ClipBox.top || y >= m_ClipBox.bottom) { |
| return; |
| } |
| uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * y; |
| uint8_t* dest_scan_extra_alpha = NULL; |
| CFX_DIBitmap* pAlphaMask = m_pDevice->m_pAlphaMask; |
| if (pAlphaMask) { |
| dest_scan_extra_alpha = |
| pAlphaMask->GetBuffer() + pAlphaMask->GetPitch() * y; |
| } |
| uint8_t* ori_scan = NULL; |
| if (m_pOriDevice) { |
| ori_scan = m_pOriDevice->GetBuffer() + m_pOriDevice->GetPitch() * y; |
| } |
| int Bpp = m_pDevice->GetBPP() / 8; |
| FX_BOOL bDestAlpha = m_pDevice->HasAlpha() || m_pDevice->IsAlphaMask(); |
| unsigned num_spans = sl.num_spans(); |
| typename Scanline::const_iterator span = sl.begin(); |
| while (1) { |
| int x = span->x; |
| ASSERT(span->len > 0); |
| uint8_t* dest_pos = NULL; |
| uint8_t* dest_extra_alpha_pos = NULL; |
| uint8_t* ori_pos = NULL; |
| if (Bpp) { |
| ori_pos = ori_scan ? ori_scan + x * Bpp : NULL; |
| dest_pos = dest_scan + x * Bpp; |
| dest_extra_alpha_pos = |
| dest_scan_extra_alpha ? dest_scan_extra_alpha + x : NULL; |
| } else { |
| dest_pos = dest_scan + x / 8; |
| ori_pos = ori_scan ? ori_scan + x / 8 : NULL; |
| } |
| uint8_t* clip_pos = NULL; |
| if (m_pClipMask) { |
| clip_pos = m_pClipMask->GetBuffer() + |
| (y - m_ClipBox.top) * m_pClipMask->GetPitch() + x - |
| m_ClipBox.left; |
| } |
| if (ori_pos) { |
| CompositeSpan(dest_pos, ori_pos, Bpp, bDestAlpha, x, span->len, |
| span->covers, m_ClipBox.left, m_ClipBox.right, clip_pos); |
| } else { |
| (this->*composite_span)(dest_pos, Bpp, x, span->len, span->covers, |
| m_ClipBox.left, m_ClipBox.right, clip_pos, |
| dest_extra_alpha_pos); |
| } |
| if (--num_spans == 0) { |
| break; |
| } |
| ++span; |
| } |
| } |
| |
| FX_BOOL Init(CFX_DIBitmap* pDevice, |
| CFX_DIBitmap* pOriDevice, |
| const CFX_ClipRgn* pClipRgn, |
| uint32_t color, |
| FX_BOOL bFullCover, |
| FX_BOOL bRgbByteOrder, |
| int alpha_flag = 0, |
| void* pIccTransform = NULL) { |
| m_pDevice = pDevice; |
| m_pClipRgn = pClipRgn; |
| composite_span = NULL; |
| m_bRgbByteOrder = bRgbByteOrder; |
| m_pOriDevice = pOriDevice; |
| 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_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; |
| if (!CFX_GEModule::Get()->GetCodecModule() || |
| !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) { |
| pIccTransform = NULL; |
| } else { |
| pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); |
| } |
| if (m_pDevice->GetBPP() == 8) { |
| ASSERT(!m_bRgbByteOrder); |
| composite_span = &CFX_Renderer::CompositeSpanGray; |
| if (m_pDevice->IsAlphaMask()) { |
| m_Gray = 255; |
| } else { |
| 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)); |
| } |
| } |
| } |
| return TRUE; |
| } |
| if (bDeviceCMYK) { |
| ASSERT(!m_bRgbByteOrder); |
| composite_span = &CFX_Renderer::CompositeSpanCMYK; |
| if (bObjectCMYK) { |
| m_Color = FXCMYK_TODIB(color); |
| if (pIccTransform) { |
| pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, |
| (const uint8_t*)&m_Color, 1); |
| } |
| } else { |
| 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]; |
| } else { |
| composite_span = (pDevice->GetFormat() == FXDIB_Argb) |
| ? &CFX_Renderer::CompositeSpanARGB |
| : &CFX_Renderer::CompositeSpanRGB; |
| 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]; |
| if (m_bRgbByteOrder) { |
| 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); |
| } 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); |
| } else { |
| m_Color = FXARGB_TODIB(color); |
| } |
| ArgbDecode(color, m_Alpha, m_Red, m_Green, m_Blue); |
| } |
| } |
| } |
| if (m_pDevice->GetBPP() == 1) { |
| composite_span = &CFX_Renderer::CompositeSpan1bpp; |
| } |
| return TRUE; |
| } |
| }; |
| |
| FX_BOOL CFX_AggDeviceDriver::RenderRasterizer( |
| agg::rasterizer_scanline_aa& rasterizer, |
| uint32_t color, |
| FX_BOOL bFullCover, |
| FX_BOOL bGroupKnockout, |
| int alpha_flag, |
| void* pIccTransform) { |
| CFX_DIBitmap* pt = bGroupKnockout ? m_pOriDevice : NULL; |
| CFX_Renderer render; |
| if (!render.Init(m_pBitmap, pt, m_pClipRgn, color, bFullCover, |
| m_bRgbByteOrder, alpha_flag, pIccTransform)) { |
| return FALSE; |
| } |
| agg::scanline_u8 scanline; |
| agg::render_scanlines(rasterizer, scanline, render, |
| (m_FillFlags & FXFILL_NOPATHSMOOTH) != 0); |
| return TRUE; |
| } |
| |
| FX_BOOL CFX_AggDeviceDriver::DrawPath(const CFX_PathData* pPathData, |
| const CFX_Matrix* pObject2Device, |
| const CFX_GraphStateData* pGraphState, |
| uint32_t fill_color, |
| uint32_t stroke_color, |
| int fill_mode, |
| int alpha_flag, |
| void* pIccTransform, |
| int blend_type) { |
| if (blend_type != FXDIB_BLEND_NORMAL) { |
| return FALSE; |
| } |
| if (!GetBuffer()) { |
| return TRUE; |
| } |
| m_FillFlags = fill_mode; |
| if ((fill_mode & 3) && fill_color) { |
| CAgg_PathData path_data; |
| path_data.BuildPath(pPathData, pObject2Device); |
| agg::rasterizer_scanline_aa rasterizer; |
| rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)), |
| (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT))); |
| rasterizer.add_path(path_data.m_PathData); |
| rasterizer.filling_rule((fill_mode & 3) == FXFILL_WINDING |
| ? agg::fill_non_zero |
| : agg::fill_even_odd); |
| if (!RenderRasterizer(rasterizer, fill_color, fill_mode & FXFILL_FULLCOVER, |
| FALSE, alpha_flag, pIccTransform)) { |
| return FALSE; |
| } |
| } |
| int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag) |
| ? FXGETFLAG_ALPHA_STROKE(alpha_flag) |
| : FXARGB_A(stroke_color); |
| if (pGraphState && stroke_alpha) { |
| if (fill_mode & FX_ZEROAREA_FILL) { |
| CAgg_PathData path_data; |
| path_data.BuildPath(pPathData, pObject2Device); |
| agg::rasterizer_scanline_aa rasterizer; |
| rasterizer.clip_box(0.0f, 0.0f, |
| (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)), |
| (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT))); |
| RasterizeStroke(rasterizer, path_data.m_PathData, NULL, pGraphState, 1, |
| FALSE, fill_mode & FX_STROKE_TEXT_MODE); |
| int fill_flag = FXGETFLAG_COLORTYPE(alpha_flag) << 8 | |
| FXGETFLAG_ALPHA_STROKE(alpha_flag); |
| if (!RenderRasterizer(rasterizer, stroke_color, |
| fill_mode & FXFILL_FULLCOVER, m_bGroupKnockout, |
| fill_flag, pIccTransform)) { |
| return FALSE; |
| } |
| return TRUE; |
| } |
| CFX_Matrix matrix1, matrix2; |
| if (pObject2Device) { |
| matrix1.a = std::max(FXSYS_fabs(pObject2Device->a), |
| FXSYS_fabs(pObject2Device->b)); |
| matrix1.d = matrix1.a; |
| matrix2.Set(pObject2Device->a / matrix1.a, pObject2Device->b / matrix1.a, |
| pObject2Device->c / matrix1.d, pObject2Device->d / matrix1.d, |
| 0, 0); |
| CFX_Matrix mtRervese; |
| mtRervese.SetReverse(matrix2); |
| matrix1 = *pObject2Device; |
| matrix1.Concat(mtRervese); |
| } |
| CAgg_PathData path_data; |
| path_data.BuildPath(pPathData, &matrix1); |
| agg::rasterizer_scanline_aa rasterizer; |
| rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)), |
| (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT))); |
| RasterizeStroke(rasterizer, path_data.m_PathData, &matrix2, pGraphState, |
| matrix1.a, FALSE, fill_mode & FX_STROKE_TEXT_MODE); |
| int fill_flag = FXGETFLAG_COLORTYPE(alpha_flag) << 8 | |
| FXGETFLAG_ALPHA_STROKE(alpha_flag); |
| if (!RenderRasterizer(rasterizer, stroke_color, |
| fill_mode & FXFILL_FULLCOVER, m_bGroupKnockout, |
| fill_flag, pIccTransform)) { |
| return FALSE; |
| } |
| } |
| return TRUE; |
| } |
| |
| void RgbByteOrderSetPixel(CFX_DIBitmap* pBitmap, int x, int y, uint32_t argb) { |
| if (x < 0 || x >= pBitmap->GetWidth() || y < 0 || y >= pBitmap->GetHeight()) { |
| return; |
| } |
| uint8_t* pos = (uint8_t*)pBitmap->GetBuffer() + y * pBitmap->GetPitch() + |
| x * pBitmap->GetBPP() / 8; |
| if (pBitmap->GetFormat() == FXDIB_Argb) { |
| FXARGB_SETRGBORDERDIB(pos, ArgbGamma(argb)); |
| } else { |
| int alpha = FXARGB_A(argb); |
| pos[0] = (FXARGB_R(argb) * alpha + pos[0] * (255 - alpha)) / 255; |
| pos[1] = (FXARGB_G(argb) * alpha + pos[1] * (255 - alpha)) / 255; |
| pos[2] = (FXARGB_B(argb) * alpha + pos[2] * (255 - alpha)) / 255; |
| } |
| } |
| |
| void RgbByteOrderCompositeRect(CFX_DIBitmap* pBitmap, |
| int left, |
| int top, |
| int width, |
| int height, |
| FX_ARGB argb) { |
| int src_alpha = FXARGB_A(argb); |
| if (src_alpha == 0) { |
| return; |
| } |
| FX_RECT rect(left, top, left + width, top + height); |
| rect.Intersect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight()); |
| width = rect.Width(); |
| int src_r = FXARGB_R(argb), src_g = FXARGB_G(argb), src_b = FXARGB_B(argb); |
| int Bpp = pBitmap->GetBPP() / 8; |
| FX_BOOL bAlpha = pBitmap->HasAlpha(); |
| int dib_argb = FXARGB_TOBGRORDERDIB(argb); |
| uint8_t* pBuffer = pBitmap->GetBuffer(); |
| if (src_alpha == 255) { |
| for (int row = rect.top; row < rect.bottom; row++) { |
| uint8_t* dest_scan = |
| pBuffer + row * pBitmap->GetPitch() + rect.left * Bpp; |
| if (Bpp == 4) { |
| uint32_t* scan = (uint32_t*)dest_scan; |
| for (int col = 0; col < width; col++) { |
| *scan++ = dib_argb; |
| } |
| } else { |
| for (int col = 0; col < width; col++) { |
| *dest_scan++ = src_r; |
| *dest_scan++ = src_g; |
| *dest_scan++ = src_b; |
| } |
| } |
| } |
| return; |
| } |
| src_r = FX_GAMMA(src_r); |
| src_g = FX_GAMMA(src_g); |
| src_b = FX_GAMMA(src_b); |
| for (int row = rect.top; row < rect.bottom; row++) { |
| uint8_t* dest_scan = pBuffer + row * pBitmap->GetPitch() + rect.left * Bpp; |
| if (bAlpha) { |
| for (int col = 0; col < width; col++) { |
| uint8_t back_alpha = dest_scan[3]; |
| if (back_alpha == 0) { |
| FXARGB_SETRGBORDERDIB(dest_scan, |
| FXARGB_MAKE(src_alpha, src_r, src_g, src_b)); |
| dest_scan += 4; |
| continue; |
| } |
| uint8_t dest_alpha = |
| back_alpha + src_alpha - back_alpha * src_alpha / 255; |
| dest_scan[3] = dest_alpha; |
| int alpha_ratio = src_alpha * 255 / dest_alpha; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio); |
| dest_scan++; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio); |
| dest_scan++; |
| *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio); |
| dest_scan += 2; |
| } |
| } else { |
| for (int col = 0; col < width; col++) { |
| *dest_scan = FX_GAMMA_INVERSE( |
| FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_r, src_alpha)); |
| dest_scan++; |
| *dest_scan = FX_GAMMA_INVERSE( |
| FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_g, src_alpha)); |
| dest_scan++; |
| *dest_scan = FX_GAMMA_INVERSE( |
| FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_b, src_alpha)); |
| dest_scan++; |
| if (Bpp == 4) { |
| dest_scan++; |
| } |
| } |
| } |
| } |
| } |
| |
| void RgbByteOrderTransferBitmap(CFX_DIBitmap* pBitmap, |
| int dest_left, |
| int dest_top, |
| int width, |
| int height, |
| const CFX_DIBSource* pSrcBitmap, |
| int src_left, |
| int src_top) { |
| if (!pBitmap) { |
| return; |
| } |
| pBitmap->GetOverlapRect(dest_left, dest_top, width, height, |
| pSrcBitmap->GetWidth(), pSrcBitmap->GetHeight(), |
| src_left, src_top, NULL); |
| if (width == 0 || height == 0) { |
| return; |
| } |
| int Bpp = pBitmap->GetBPP() / 8; |
| FXDIB_Format dest_format = pBitmap->GetFormat(); |
| FXDIB_Format src_format = pSrcBitmap->GetFormat(); |
| int pitch = pBitmap->GetPitch(); |
| uint8_t* buffer = pBitmap->GetBuffer(); |
| if (dest_format == src_format) { |
| for (int row = 0; row < height; row++) { |
| uint8_t* dest_scan = buffer + (dest_top + row) * pitch + dest_left * Bpp; |
| uint8_t* src_scan = |
| (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp; |
| if (Bpp == 4) { |
| for (int col = 0; col < width; col++) { |
| FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_scan[3], src_scan[0], |
| src_scan[1], src_scan[2])); |
| dest_scan += 4; |
| src_scan += 4; |
| } |
| } else { |
| for (int col = 0; col < width; col++) { |
| *dest_scan++ = src_scan[2]; |
| *dest_scan++ = src_scan[1]; |
| *dest_scan++ = src_scan[0]; |
| src_scan += 3; |
| } |
| } |
| } |
| return; |
| } |
| uint8_t* dest_buf = buffer + dest_top * pitch + dest_left * Bpp; |
| if (dest_format == FXDIB_Rgb) { |
| if (src_format == FXDIB_Rgb32) { |
| for (int row = 0; row < height; row++) { |
| uint8_t* dest_scan = dest_buf + row * pitch; |
| uint8_t* src_scan = |
| (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * 4; |
| for (int col = 0; col < width; col++) { |
| *dest_scan++ = src_scan[2]; |
| *dest_scan++ = src_scan[1]; |
| *dest_scan++ = src_scan[0]; |
| src_scan += 4; |
| } |
| } |
| } else { |
| ASSERT(FALSE); |
| } |
| } else if (dest_format == FXDIB_Argb || dest_format == FXDIB_Rgb32) { |
| if (src_format == FXDIB_Rgb) { |
| for (int row = 0; row < height; row++) { |
| uint8_t* dest_scan = (uint8_t*)(dest_buf + row * pitch); |
| uint8_t* src_scan = |
| (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * 3; |
| if (src_format == FXDIB_Argb) { |
| for (int col = 0; col < width; col++) { |
| FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, FX_GAMMA(src_scan[0]), |
| FX_GAMMA(src_scan[1]), |
| FX_GAMMA(src_scan[2]))); |
| dest_scan += 4; |
| src_scan += 3; |
| } |
| } else { |
| for (int col = 0; col < width; col++) { |
| FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[0], src_scan[1], |
| src_scan[2])); |
| dest_scan += 4; |
| src_scan += 3; |
| } |
| } |
| } |
| } else if (src_format == FXDIB_Rgb32) { |
| ASSERT(dest_format == FXDIB_Argb); |
| for (int row = 0; row < height; row++) { |
| uint8_t* dest_scan = dest_buf + row * pitch; |
| uint8_t* src_scan = |
| (uint8_t*)(pSrcBitmap->GetScanline(src_top + row) + src_left * 4); |
| for (int col = 0; col < width; col++) { |
| FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[0], src_scan[1], |
| src_scan[2])); |
| src_scan += 4; |
| dest_scan += 4; |
| } |
| } |
| } |
| } else { |
| ASSERT(FALSE); |
| } |
| } |
| |
| FX_ARGB _DefaultCMYK2ARGB(FX_CMYK cmyk, uint8_t alpha) { |
| uint8_t r, g, b; |
| AdobeCMYK_to_sRGB1(FXSYS_GetCValue(cmyk), FXSYS_GetMValue(cmyk), |
| FXSYS_GetYValue(cmyk), FXSYS_GetKValue(cmyk), r, g, b); |
| return ArgbEncode(alpha, r, g, b); |
| } |
| |
| FX_BOOL _DibSetPixel(CFX_DIBitmap* pDevice, |
| int x, |
| int y, |
| uint32_t color, |
| int alpha_flag, |
| void* pIccTransform) { |
| FX_BOOL bObjCMYK = FXGETFLAG_COLORTYPE(alpha_flag); |
| int alpha = bObjCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color); |
| if (pIccTransform) { |
| ICodec_IccModule* pIccModule = |
| CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); |
| color = bObjCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color); |
| pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&color, |
| (uint8_t*)&color, 1); |
| color = bObjCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color); |
| if (!pDevice->IsCmykImage()) { |
| color = (color & 0xffffff) | (alpha << 24); |
| } |
| } else { |
| if (pDevice->IsCmykImage()) { |
| if (!bObjCMYK) { |
| return FALSE; |
| } |
| } else { |
| if (bObjCMYK) { |
| color = _DefaultCMYK2ARGB(color, alpha); |
| } |
| } |
| } |
| pDevice->SetPixel(x, y, color); |
| if (pDevice->m_pAlphaMask) { |
| pDevice->m_pAlphaMask->SetPixel(x, y, alpha << 24); |
| } |
| return TRUE; |
| } |
| |
| FX_BOOL CFX_AggDeviceDriver::SetPixel(int x, |
| int y, |
| uint32_t color, |
| int alpha_flag, |
| void* pIccTransform) { |
| if (!m_pBitmap->GetBuffer()) { |
| return TRUE; |
| } |
| if (!CFX_GEModule::Get()->GetCodecModule() || |
| !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) { |
| pIccTransform = NULL; |
| } |
| if (!m_pClipRgn) { |
| if (m_bRgbByteOrder) { |
| RgbByteOrderSetPixel(m_pBitmap, x, y, color); |
| } else { |
| return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform); |
| } |
| } else if (m_pClipRgn->GetBox().Contains(x, y)) { |
| if (m_pClipRgn->GetType() == CFX_ClipRgn::RectI) { |
| if (m_bRgbByteOrder) { |
| RgbByteOrderSetPixel(m_pBitmap, x, y, color); |
| } else { |
| return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform); |
| } |
| } else if (m_pClipRgn->GetType() == CFX_ClipRgn::MaskF) { |
| const CFX_DIBitmap* pMask = m_pClipRgn->GetMask(); |
| FX_BOOL bCMYK = FXGETFLAG_COLORTYPE(alpha_flag); |
| int new_alpha = |
| bCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color); |
| new_alpha = new_alpha * pMask->GetScanline(y)[x] / 255; |
| if (m_bRgbByteOrder) { |
| RgbByteOrderSetPixel(m_pBitmap, x, y, |
| (color & 0xffffff) | (new_alpha << 24)); |
| return TRUE; |
| } |
| if (bCMYK) { |
| FXSETFLAG_ALPHA_FILL(alpha_flag, new_alpha); |
| } else { |
| color = (color & 0xffffff) | (new_alpha << 24); |
| } |
| return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform); |
| } |
| } |
| return TRUE; |
| } |
| |
| FX_BOOL CFX_AggDeviceDriver::FillRect(const FX_RECT* pRect, |
| uint32_t fill_color, |
| int alpha_flag, |
| void* pIccTransform, |
| int blend_type) { |
| if (blend_type != FXDIB_BLEND_NORMAL) { |
| return FALSE; |
| } |
| if (!m_pBitmap->GetBuffer()) { |
| return TRUE; |
| } |
| FX_RECT clip_rect; |
| GetClipBox(&clip_rect); |
| FX_RECT draw_rect = clip_rect; |
| if (pRect) { |
| draw_rect.Intersect(*pRect); |
| } |
| if (draw_rect.IsEmpty()) { |
| return TRUE; |
| } |
| if (!m_pClipRgn || m_pClipRgn->GetType() == CFX_ClipRgn::RectI) { |
| if (m_bRgbByteOrder) { |
| RgbByteOrderCompositeRect(m_pBitmap, draw_rect.left, draw_rect.top, |
| draw_rect.Width(), draw_rect.Height(), |
| fill_color); |
| } else { |
| m_pBitmap->CompositeRect(draw_rect.left, draw_rect.top, draw_rect.Width(), |
| draw_rect.Height(), fill_color, alpha_flag, |
| pIccTransform); |
| } |
| return TRUE; |
| } |
| m_pBitmap->CompositeMask( |
| draw_rect.left, draw_rect.top, draw_rect.Width(), draw_rect.Height(), |
| (const CFX_DIBitmap*)m_pClipRgn->GetMask(), fill_color, |
| draw_rect.left - clip_rect.left, draw_rect.top - clip_rect.top, |
| FXDIB_BLEND_NORMAL, NULL, m_bRgbByteOrder, alpha_flag, pIccTransform); |
| return TRUE; |
| } |
| |
| FX_BOOL CFX_AggDeviceDriver::GetClipBox(FX_RECT* pRect) { |
| if (!m_pClipRgn) { |
| pRect->left = pRect->top = 0; |
| pRect->right = GetDeviceCaps(FXDC_PIXEL_WIDTH); |
| pRect->bottom = GetDeviceCaps(FXDC_PIXEL_HEIGHT); |
| return TRUE; |
| } |
| *pRect = m_pClipRgn->GetBox(); |
| return TRUE; |
| } |
| |
| FX_BOOL CFX_AggDeviceDriver::GetDIBits(CFX_DIBitmap* pBitmap, |
| int left, |
| int top, |
| void* pIccTransform, |
| FX_BOOL bDEdge) { |
| if (!m_pBitmap->GetBuffer()) { |
| return TRUE; |
| } |
| if (bDEdge) { |
| if (m_bRgbByteOrder) { |
| RgbByteOrderTransferBitmap(pBitmap, 0, 0, pBitmap->GetWidth(), |
| pBitmap->GetHeight(), m_pBitmap, left, top); |
| } else { |
| return pBitmap->TransferBitmap(0, 0, pBitmap->GetWidth(), |
| pBitmap->GetHeight(), m_pBitmap, left, top, |
| pIccTransform); |
| } |
| return TRUE; |
| } |
| FX_RECT rect(left, top, left + pBitmap->GetWidth(), |
| top + pBitmap->GetHeight()); |
| CFX_DIBitmap* pBack = NULL; |
| if (m_pOriDevice) { |
| pBack = m_pOriDevice->Clone(&rect); |
| if (!pBack) { |
| return TRUE; |
| } |
| pBack->CompositeBitmap(0, 0, pBack->GetWidth(), pBack->GetHeight(), |
| m_pBitmap, 0, 0); |
| } else { |
| pBack = m_pBitmap->Clone(&rect); |
| } |
| if (!pBack) { |
| return TRUE; |
| } |
| FX_BOOL bRet = TRUE; |
| left = left >= 0 ? 0 : left; |
| top = top >= 0 ? 0 : top; |
| if (m_bRgbByteOrder) { |
| RgbByteOrderTransferBitmap(pBitmap, 0, 0, rect.Width(), rect.Height(), |
| pBack, left, top); |
| } else { |
| bRet = pBitmap->TransferBitmap(0, 0, rect.Width(), rect.Height(), pBack, |
| left, top, pIccTransform); |
| } |
| delete pBack; |
| return bRet; |
| } |
| |
| FX_BOOL CFX_AggDeviceDriver::SetDIBits(const CFX_DIBSource* pBitmap, |
| uint32_t argb, |
| const FX_RECT* pSrcRect, |
| int left, |
| int top, |
| int blend_type, |
| int alpha_flag, |
| void* pIccTransform) { |
| if (!m_pBitmap->GetBuffer()) { |
| return TRUE; |
| } |
| if (pBitmap->IsAlphaMask()) |
| return m_pBitmap->CompositeMask( |
| left, top, pSrcRect->Width(), pSrcRect->Height(), pBitmap, argb, |
| pSrcRect->left, pSrcRect->top, blend_type, m_pClipRgn, m_bRgbByteOrder, |
| alpha_flag, pIccTransform); |
| return m_pBitmap->CompositeBitmap( |
| left, top, pSrcRect->Width(), pSrcRect->Height(), pBitmap, pSrcRect->left, |
| pSrcRect->top, blend_type, m_pClipRgn, m_bRgbByteOrder, pIccTransform); |
| } |
| |
| FX_BOOL CFX_AggDeviceDriver::StretchDIBits(const CFX_DIBSource* pSource, |
| uint32_t argb, |
| int dest_left, |
| int dest_top, |
| int dest_width, |
| int dest_height, |
| const FX_RECT* pClipRect, |
| uint32_t flags, |
| int alpha_flag, |
| void* pIccTransform, |
| int blend_type) { |
| if (!m_pBitmap->GetBuffer()) { |
| return TRUE; |
| } |
| if (dest_width == pSource->GetWidth() && |
| dest_height == pSource->GetHeight()) { |
| FX_RECT rect(0, 0, dest_width, dest_height); |
| return SetDIBits(pSource, argb, &rect, dest_left, dest_top, blend_type, |
| alpha_flag, pIccTransform); |
| } |
| FX_RECT dest_rect(dest_left, dest_top, dest_left + dest_width, |
| dest_top + dest_height); |
| dest_rect.Normalize(); |
| FX_RECT dest_clip = dest_rect; |
| dest_clip.Intersect(*pClipRect); |
| CFX_BitmapComposer composer; |
| composer.Compose(m_pBitmap, m_pClipRgn, 255, argb, dest_clip, FALSE, FALSE, |
| FALSE, m_bRgbByteOrder, alpha_flag, pIccTransform, |
| blend_type); |
| dest_clip.Offset(-dest_rect.left, -dest_rect.top); |
| CFX_ImageStretcher stretcher; |
| if (stretcher.Start(&composer, pSource, dest_width, dest_height, dest_clip, |
| flags)) { |
| stretcher.Continue(NULL); |
| } |
| return TRUE; |
| } |
| |
| FX_BOOL CFX_AggDeviceDriver::StartDIBits(const CFX_DIBSource* pSource, |
| int bitmap_alpha, |
| uint32_t argb, |
| const CFX_Matrix* pMatrix, |
| uint32_t render_flags, |
| void*& handle, |
| int alpha_flag, |
| void* pIccTransform, |
| int blend_type) { |
| if (!m_pBitmap->GetBuffer()) { |
| return TRUE; |
| } |
| CFX_ImageRenderer* pRenderer = new CFX_ImageRenderer; |
| pRenderer->Start(m_pBitmap, m_pClipRgn, pSource, bitmap_alpha, argb, pMatrix, |
| render_flags, m_bRgbByteOrder, alpha_flag, pIccTransform); |
| handle = pRenderer; |
| return TRUE; |
| } |
| |
| FX_BOOL CFX_AggDeviceDriver::ContinueDIBits(void* pHandle, IFX_Pause* pPause) { |
| if (!m_pBitmap->GetBuffer()) { |
| return TRUE; |
| } |
| return ((CFX_ImageRenderer*)pHandle)->Continue(pPause); |
| } |
| |
| void CFX_AggDeviceDriver::CancelDIBits(void* pHandle) { |
| if (!m_pBitmap->GetBuffer()) { |
| return; |
| } |
| delete (CFX_ImageRenderer*)pHandle; |
| } |
| |
| CFX_FxgeDevice::CFX_FxgeDevice() { |
| m_bOwnedBitmap = FALSE; |
| } |
| |
| bool CFX_FxgeDevice::Attach(CFX_DIBitmap* pBitmap, |
| int dither_bits, |
| bool bRgbByteOrder, |
| CFX_DIBitmap* pOriDevice, |
| bool bGroupKnockout) { |
| if (!pBitmap) { |
| return false; |
| } |
| SetBitmap(pBitmap); |
| IFX_RenderDeviceDriver* pDriver = new CFX_AggDeviceDriver( |
| pBitmap, dither_bits, bRgbByteOrder, pOriDevice, bGroupKnockout); |
| SetDeviceDriver(pDriver); |
| return true; |
| } |
| |
| bool CFX_FxgeDevice::Create(int width, |
| int height, |
| FXDIB_Format format, |
| int dither_bits, |
| CFX_DIBitmap* pOriDevice) { |
| m_bOwnedBitmap = true; |
| CFX_DIBitmap* pBitmap = new CFX_DIBitmap; |
| if (!pBitmap->Create(width, height, format)) { |
| delete pBitmap; |
| return false; |
| } |
| SetBitmap(pBitmap); |
| IFX_RenderDeviceDriver* pDriver = |
| new CFX_AggDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE); |
| SetDeviceDriver(pDriver); |
| return true; |
| } |
| |
| CFX_FxgeDevice::~CFX_FxgeDevice() { |
| if (m_bOwnedBitmap) { |
| delete GetBitmap(); |
| } |
| } |
