diff options
Diffstat (limited to 'core/src/fxge/agg/agg23/fx_agg_driver.cpp')
-rw-r--r-- | core/src/fxge/agg/agg23/fx_agg_driver.cpp | 1631 |
1 files changed, 0 insertions, 1631 deletions
diff --git a/core/src/fxge/agg/agg23/fx_agg_driver.cpp b/core/src/fxge/agg/agg23/fx_agg_driver.cpp deleted file mode 100644 index e11259e07d..0000000000 --- a/core/src/fxge/agg/agg23/fx_agg_driver.cpp +++ /dev/null @@ -1,1631 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#include "../../../../include/fxge/fx_ge.h" -#include "../../dib/dib_int.h" -#include "../../ge/text_int.h" -#include "../../../../include/fxcodec/fx_codec.h" -#include "agg_pixfmt_gray.h" -#include "agg_path_storage.h" -#include "agg_scanline_u.h" -#include "agg_rasterizer_scanline_aa.h" -#include "agg_renderer_scanline.h" -#include "agg_curves.h" -#include "agg_conv_stroke.h" -#include "agg_conv_dash.h" -#include "../include/fx_agg_driver.h" -void _HardClip(FX_FLOAT& x, FX_FLOAT& y) -{ - if (x > 50000) { - x = 50000; - } - if (x < -50000) { - x = -50000; - } - if (y > 50000) { - y = 50000; - } - if (y < -50000) { - y = -50000; - } -} -void CAgg_PathData::BuildPath(const CFX_PathData* pPathData, const CFX_AffineMatrix* 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; -}; -} -static void RasterizeStroke(agg::rasterizer_scanline_aa& rasterizer, agg::path_storage& path_data, - const CFX_AffineMatrix* 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 = FXSYS_Div(1.0f, (pObject2Device->GetXUnit() + pObject2Device->GetYUnit()) / 2); - } - if (width < unit) { - width = unit; - } - if (pGraphState->m_DashArray == NULL) { - 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); - } else { - 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); - } -} -IFX_RenderDeviceDriver* IFX_RenderDeviceDriver::CreateFxgeDriver(CFX_DIBitmap* pBitmap, FX_BOOL bRgbByteOrder, CFX_DIBitmap* pOriDevice, FX_BOOL bGroupKnockout) -{ - return FX_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() -{ - if (m_pClipRgn) { - delete m_pClipRgn; - } - for (int i = 0; i < m_StateStack.GetSize(); i ++) - if (m_StateStack[i]) { - delete (CFX_ClipRgn*)m_StateStack[i]; - } - DestroyPlatform(); -} -#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_AffineMatrix* pObject2Device, FX_FLOAT font_size, FX_DWORD color, - int alpha_flag, void* pIccTransform) -{ - return FALSE; -} -#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() -{ - void* pClip = NULL; - if (m_pClipRgn) { - pClip = FX_NEW CFX_ClipRgn(*m_pClipRgn); - if (!pClip) { - return; - } - } - m_StateStack.Add(pClip); -} -void CFX_AggDeviceDriver::RestoreState(FX_BOOL bKeepSaved) -{ - if (m_StateStack.GetSize() == 0) { - if (m_pClipRgn) { - delete m_pClipRgn; - m_pClipRgn = NULL; - } - return; - } - CFX_ClipRgn* pSavedClip = (CFX_ClipRgn*)m_StateStack[m_StateStack.GetSize() - 1]; - if (m_pClipRgn) { - delete m_pClipRgn; - m_pClipRgn = NULL; - } - if (bKeepSaved) { - if (pSavedClip) { - m_pClipRgn = FX_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_AffineMatrix* pObject2Device, - int fill_mode - ) -{ - m_FillFlags = fill_mode; - if (m_pClipRgn == NULL) { - m_pClipRgn = FX_NEW CFX_ClipRgn(GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT)); - if (!m_pClipRgn) { - return FALSE; - } - } - 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_AffineMatrix* pObject2Device, - const CFX_GraphStateData* pGraphState - ) -{ - if (m_pClipRgn == NULL) { - m_pClipRgn = FX_NEW CFX_ClipRgn(GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT)); - if (!m_pClipRgn) { - return FALSE; - } - } - 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; - FX_DWORD 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; - } else 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; - } else 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; - } else 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() == NULL) { - index = ((uint8_t)m_Color == 0xff) ? 1 : 0; - } else { - for (int i = 0; i < 2; i ++) - if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color) { - index = i; - } - } - 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() == NULL) { - index = ((uint8_t)m_Color == 0xff) ? 1 : 0; - } else { - for (int i = 0; i < 2; i ++) - if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color) { - index = i; - } - } - 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) { - *(FX_DWORD*)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) { - *(FX_DWORD*)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) { - *(FX_DWORD*)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) { - *(FX_DWORD*)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 == NULL && composite_span == NULL) { - 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, FX_DWORD 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, FX_DWORD 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_AffineMatrix* pObject2Device, - const CFX_GraphStateData* pGraphState, - FX_DWORD fill_color, - FX_DWORD stroke_color, - int fill_mode, - int alpha_flag, - void* pIccTransform, - int blend_type - ) -{ - if (blend_type != FXDIB_BLEND_NORMAL) { - return FALSE; - } - if (GetBuffer() == NULL) { - 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_AffineMatrix matrix1, matrix2; - if (pObject2Device) { - matrix1.a = FX_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_AffineMatrix 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, FX_DWORD 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) { - FX_DWORD* scan = (FX_DWORD*)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 == NULL) { - 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, FX_DWORD 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, FX_DWORD color, int alpha_flag, void* pIccTransform) -{ - if (m_pBitmap->GetBuffer() == NULL) { - return TRUE; - } - if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) { - pIccTransform = NULL; - } - if (m_pClipRgn == NULL) { - 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, FX_DWORD fill_color, int alpha_flag, void* pIccTransform, int blend_type) -{ - if (blend_type != FXDIB_BLEND_NORMAL) { - return FALSE; - } - if (m_pBitmap->GetBuffer() == NULL) { - 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 == NULL || 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 == NULL) { - 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() == NULL) { - 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, FX_DWORD argb, const FX_RECT* pSrcRect, int left, int top, int blend_type, - int alpha_flag, void* pIccTransform) -{ - if (m_pBitmap->GetBuffer() == NULL) { - 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, FX_DWORD argb, int dest_left, int dest_top, - int dest_width, int dest_height, const FX_RECT* pClipRect, FX_DWORD flags, - int alpha_flag, void* pIccTransform, int blend_type) -{ - if (m_pBitmap->GetBuffer() == NULL) { - 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, FX_DWORD argb, - const CFX_AffineMatrix* pMatrix, FX_DWORD render_flags, void*& handle, - int alpha_flag, void* pIccTransform, int blend_type) -{ - if (m_pBitmap->GetBuffer() == NULL) { - return TRUE; - } - CFX_ImageRenderer* pRenderer = FX_NEW CFX_ImageRenderer; - if (!pRenderer) { - return FALSE; - } - 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() == NULL) { - return TRUE; - } - return ((CFX_ImageRenderer*)pHandle)->Continue(pPause); -} -void CFX_AggDeviceDriver::CancelDIBits(void* pHandle) -{ - if (m_pBitmap->GetBuffer() == NULL) { - return; - } - delete (CFX_ImageRenderer*)pHandle; -} -CFX_FxgeDevice::CFX_FxgeDevice() -{ - m_bOwnedBitmap = FALSE; -} -FX_BOOL CFX_FxgeDevice::Attach(CFX_DIBitmap* pBitmap, int dither_bits, FX_BOOL bRgbByteOrder, CFX_DIBitmap* pOriDevice, FX_BOOL bGroupKnockout) -{ - if (pBitmap == NULL) { - return FALSE; - } - SetBitmap(pBitmap); - IFX_RenderDeviceDriver* pDriver = FX_NEW CFX_AggDeviceDriver(pBitmap, dither_bits, bRgbByteOrder, pOriDevice, bGroupKnockout); - if (!pDriver) { - return FALSE; - } - SetDeviceDriver(pDriver); - return TRUE; -} -FX_BOOL CFX_FxgeDevice::Create(int width, int height, FXDIB_Format format, int dither_bits, CFX_DIBitmap* pOriDevice) -{ - m_bOwnedBitmap = TRUE; - CFX_DIBitmap* pBitmap = FX_NEW CFX_DIBitmap; - if (!pBitmap) { - return FALSE; - } - if (!pBitmap->Create(width, height, format)) { - delete pBitmap; - return FALSE; - } - SetBitmap(pBitmap); - IFX_RenderDeviceDriver* pDriver = FX_NEW CFX_AggDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE); - if (!pDriver) { - return FALSE; - } - SetDeviceDriver(pDriver); - return TRUE; -} -CFX_FxgeDevice::~CFX_FxgeDevice() -{ - if (m_bOwnedBitmap && GetBitmap()) { - delete GetBitmap(); - } -} |