1316 lines
47 KiB
C++
1316 lines
47 KiB
C++
// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "core/fxge/cfx_renderdevice.h"
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#include <algorithm>
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#include <memory>
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#include <utility>
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#include "build/build_config.h"
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#include "core/fxcrt/fx_safe_types.h"
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#include "core/fxge/cfx_color.h"
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#include "core/fxge/cfx_defaultrenderdevice.h"
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#include "core/fxge/cfx_font.h"
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#include "core/fxge/cfx_fontmgr.h"
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#include "core/fxge/cfx_gemodule.h"
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#include "core/fxge/cfx_glyphbitmap.h"
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#include "core/fxge/cfx_glyphcache.h"
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#include "core/fxge/cfx_graphstatedata.h"
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#include "core/fxge/cfx_pathdata.h"
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#include "core/fxge/dib/cfx_dibitmap.h"
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#include "core/fxge/dib/cfx_imagerenderer.h"
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#include "core/fxge/fx_font.h"
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#include "core/fxge/renderdevicedriver_iface.h"
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#include "core/fxge/text_char_pos.h"
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#include "core/fxge/text_glyph_pos.h"
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#if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_
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#include "third_party/skia/include/core/SkTypes.h"
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#endif
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namespace {
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void AdjustGlyphSpace(std::vector<TextGlyphPos>* pGlyphAndPos) {
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ASSERT(pGlyphAndPos->size() > 1);
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std::vector<TextGlyphPos>& glyphs = *pGlyphAndPos;
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bool bVertical = glyphs.back().m_Origin.x == glyphs.front().m_Origin.x;
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if (!bVertical && (glyphs.back().m_Origin.y != glyphs.front().m_Origin.y))
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return;
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for (size_t i = glyphs.size() - 1; i > 1; --i) {
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const TextGlyphPos& next = glyphs[i];
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int next_origin = bVertical ? next.m_Origin.y : next.m_Origin.x;
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float next_origin_f = bVertical ? next.m_fOrigin.y : next.m_fOrigin.x;
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TextGlyphPos& current = glyphs[i - 1];
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int& current_origin = bVertical ? current.m_Origin.y : current.m_Origin.x;
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float current_origin_f =
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bVertical ? current.m_fOrigin.y : current.m_fOrigin.x;
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FX_SAFE_INT32 safe_space = next_origin;
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safe_space -= current_origin;
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if (!safe_space.IsValid())
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continue;
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int space = safe_space.ValueOrDie();
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float space_f = next_origin_f - current_origin_f;
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float error = fabs(space_f) - fabs(static_cast<float>(space));
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if (error <= 0.5f)
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continue;
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FX_SAFE_INT32 safe_origin = current_origin;
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safe_origin += space > 0 ? -1 : 1;
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if (!safe_origin.IsValid())
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continue;
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current_origin = safe_origin.ValueOrDie();
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}
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}
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const uint8_t g_TextGammaAdjust[256] = {
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0, 2, 3, 4, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 18,
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19, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35,
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36, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52,
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53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
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68, 69, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83,
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84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98,
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99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,
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114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128,
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129, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
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143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 156,
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157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171,
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172, 173, 174, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185,
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186, 187, 188, 189, 190, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199,
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200, 201, 202, 203, 204, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213,
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214, 215, 216, 217, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227,
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228, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 239, 240,
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241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 250, 251, 252, 253, 254,
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255,
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};
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int TextGammaAdjust(int value) {
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ASSERT(value >= 0);
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ASSERT(value <= 255);
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return g_TextGammaAdjust[value];
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}
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int CalcAlpha(int src, int alpha) {
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return src * alpha / 255;
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}
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void Merge(uint8_t src, int channel, int alpha, uint8_t* dest) {
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*dest = FXDIB_ALPHA_MERGE(*dest, channel, CalcAlpha(src, alpha));
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}
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void MergeGammaAdjust(uint8_t src, int channel, int alpha, uint8_t* dest) {
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*dest =
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FXDIB_ALPHA_MERGE(*dest, channel, CalcAlpha(TextGammaAdjust(src), alpha));
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}
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void MergeGammaAdjustBgr(const uint8_t* src,
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int r,
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int g,
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int b,
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int a,
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uint8_t* dest) {
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MergeGammaAdjust(src[0], b, a, &dest[0]);
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MergeGammaAdjust(src[1], g, a, &dest[1]);
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MergeGammaAdjust(src[2], r, a, &dest[2]);
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}
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void MergeGammaAdjustRgb(const uint8_t* src,
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int r,
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int g,
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int b,
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int a,
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uint8_t* dest) {
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MergeGammaAdjust(src[2], b, a, &dest[0]);
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MergeGammaAdjust(src[1], g, a, &dest[1]);
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MergeGammaAdjust(src[0], r, a, &dest[2]);
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}
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int AverageRgb(const uint8_t* src) {
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return (src[0] + src[1] + src[2]) / 3;
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}
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uint8_t CalculateDestAlpha(uint8_t back_alpha, int src_alpha) {
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return back_alpha + src_alpha - back_alpha * src_alpha / 255;
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}
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void ApplyAlpha(uint8_t* dest, int b, int g, int r, int alpha) {
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dest[0] = FXDIB_ALPHA_MERGE(dest[0], b, alpha);
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dest[1] = FXDIB_ALPHA_MERGE(dest[1], g, alpha);
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dest[2] = FXDIB_ALPHA_MERGE(dest[2], r, alpha);
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}
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void ApplyDestAlpha(uint8_t back_alpha,
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int src_alpha,
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int r,
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int g,
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int b,
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uint8_t* dest) {
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uint8_t dest_alpha = CalculateDestAlpha(back_alpha, src_alpha);
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ApplyAlpha(dest, b, g, r, src_alpha * 255 / dest_alpha);
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dest[3] = dest_alpha;
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}
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void NormalizeArgb(int src_value,
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int r,
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int g,
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int b,
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int a,
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uint8_t* dest,
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int src_alpha) {
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uint8_t back_alpha = dest[3];
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if (back_alpha == 0)
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FXARGB_SETDIB(dest, ArgbEncode(src_alpha, r, g, b));
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else if (src_alpha != 0)
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ApplyDestAlpha(back_alpha, src_alpha, r, g, b, dest);
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}
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void NormalizeDest(bool has_alpha,
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int src_value,
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int r,
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int g,
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int b,
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int a,
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uint8_t* dest) {
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if (has_alpha) {
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NormalizeArgb(src_value, r, g, b, a, dest,
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CalcAlpha(TextGammaAdjust(src_value), a));
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return;
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}
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int src_alpha = CalcAlpha(TextGammaAdjust(src_value), a);
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if (src_alpha == 0)
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return;
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ApplyAlpha(dest, b, g, r, src_alpha);
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}
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void NormalizeSrc(bool has_alpha,
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int src_value,
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int r,
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int g,
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int b,
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int a,
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uint8_t* dest) {
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if (!has_alpha) {
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ApplyAlpha(dest, b, g, r, CalcAlpha(TextGammaAdjust(src_value), a));
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return;
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}
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int src_alpha = CalcAlpha(TextGammaAdjust(src_value), a);
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if (src_alpha != 0)
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NormalizeArgb(src_value, r, g, b, a, dest, src_alpha);
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}
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void NextPixel(uint8_t** src_scan, uint8_t** dst_scan, int bpp) {
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*src_scan += 3;
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*dst_scan += bpp;
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}
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void SetAlpha(bool has_alpha, uint8_t* alpha) {
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if (has_alpha)
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alpha[3] = 255;
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}
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void DrawNormalTextHelper(const RetainPtr<CFX_DIBitmap>& bitmap,
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const RetainPtr<CFX_DIBitmap>& pGlyph,
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int nrows,
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int left,
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int top,
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int start_col,
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int end_col,
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bool bNormal,
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bool bBGRStripe,
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int x_subpixel,
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int a,
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int r,
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int g,
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int b) {
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const bool has_alpha = bitmap->GetFormat() == FXDIB_Argb;
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uint8_t* src_buf = pGlyph->GetBuffer();
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int src_pitch = pGlyph->GetPitch();
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uint8_t* dest_buf = bitmap->GetBuffer();
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int dest_pitch = bitmap->GetPitch();
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const int Bpp = has_alpha ? 4 : bitmap->GetBPP() / 8;
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for (int row = 0; row < nrows; ++row) {
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int dest_row = row + top;
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if (dest_row < 0 || dest_row >= bitmap->GetHeight())
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continue;
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uint8_t* src_scan = src_buf + row * src_pitch + (start_col - left) * 3;
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uint8_t* dest_scan = dest_buf + dest_row * dest_pitch + start_col * Bpp;
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if (bBGRStripe) {
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if (x_subpixel == 0) {
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for (int col = start_col; col < end_col; ++col) {
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if (has_alpha) {
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Merge(src_scan[2], r, a, &dest_scan[2]);
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Merge(src_scan[1], g, a, &dest_scan[1]);
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Merge(src_scan[0], b, a, &dest_scan[0]);
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} else {
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MergeGammaAdjustBgr(&src_scan[0], r, g, b, a, &dest_scan[0]);
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}
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SetAlpha(has_alpha, dest_scan);
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NextPixel(&src_scan, &dest_scan, Bpp);
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}
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continue;
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}
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if (x_subpixel == 1) {
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MergeGammaAdjust(src_scan[1], r, a, &dest_scan[2]);
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MergeGammaAdjust(src_scan[0], g, a, &dest_scan[1]);
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if (start_col > left)
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MergeGammaAdjust(src_scan[-1], b, a, &dest_scan[0]);
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SetAlpha(has_alpha, dest_scan);
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NextPixel(&src_scan, &dest_scan, Bpp);
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for (int col = start_col + 1; col < end_col - 1; ++col) {
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MergeGammaAdjustBgr(&src_scan[-1], r, g, b, a, &dest_scan[0]);
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SetAlpha(has_alpha, dest_scan);
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NextPixel(&src_scan, &dest_scan, Bpp);
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}
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continue;
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}
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MergeGammaAdjust(src_scan[0], r, a, &dest_scan[2]);
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if (start_col > left) {
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MergeGammaAdjust(src_scan[-1], g, a, &dest_scan[1]);
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MergeGammaAdjust(src_scan[-2], b, a, &dest_scan[0]);
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}
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SetAlpha(has_alpha, dest_scan);
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NextPixel(&src_scan, &dest_scan, Bpp);
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for (int col = start_col + 1; col < end_col - 1; ++col) {
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MergeGammaAdjustBgr(&src_scan[-2], r, g, b, a, &dest_scan[0]);
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SetAlpha(has_alpha, dest_scan);
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NextPixel(&src_scan, &dest_scan, Bpp);
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}
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continue;
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}
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if (x_subpixel == 0) {
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for (int col = start_col; col < end_col; ++col) {
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if (bNormal) {
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int src_value = AverageRgb(&src_scan[0]);
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NormalizeDest(has_alpha, src_value, r, g, b, a, dest_scan);
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} else {
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MergeGammaAdjustRgb(&src_scan[0], r, g, b, a, &dest_scan[0]);
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SetAlpha(has_alpha, dest_scan);
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}
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NextPixel(&src_scan, &dest_scan, Bpp);
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}
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continue;
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}
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if (x_subpixel == 1) {
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if (bNormal) {
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int src_value = start_col > left ? AverageRgb(&src_scan[-1])
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: (src_scan[0] + src_scan[1]) / 3;
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NormalizeSrc(has_alpha, src_value, r, g, b, a, dest_scan);
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} else {
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if (start_col > left)
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MergeGammaAdjust(src_scan[-1], r, a, &dest_scan[2]);
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MergeGammaAdjust(src_scan[0], g, a, &dest_scan[1]);
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MergeGammaAdjust(src_scan[1], b, a, &dest_scan[0]);
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SetAlpha(has_alpha, dest_scan);
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}
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NextPixel(&src_scan, &dest_scan, Bpp);
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for (int col = start_col + 1; col < end_col; ++col) {
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if (bNormal) {
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int src_value = AverageRgb(&src_scan[-1]);
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NormalizeDest(has_alpha, src_value, r, g, b, a, dest_scan);
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} else {
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MergeGammaAdjustRgb(&src_scan[-1], r, g, b, a, &dest_scan[0]);
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SetAlpha(has_alpha, dest_scan);
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}
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NextPixel(&src_scan, &dest_scan, Bpp);
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}
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continue;
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}
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if (bNormal) {
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int src_value =
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start_col > left ? AverageRgb(&src_scan[-2]) : src_scan[0] / 3;
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NormalizeSrc(has_alpha, src_value, r, g, b, a, dest_scan);
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} else {
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if (start_col > left) {
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MergeGammaAdjust(src_scan[-2], r, a, &dest_scan[2]);
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MergeGammaAdjust(src_scan[-1], g, a, &dest_scan[1]);
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}
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MergeGammaAdjust(src_scan[0], b, a, &dest_scan[0]);
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SetAlpha(has_alpha, dest_scan);
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}
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NextPixel(&src_scan, &dest_scan, Bpp);
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for (int col = start_col + 1; col < end_col; ++col) {
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if (bNormal) {
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int src_value = AverageRgb(&src_scan[-2]);
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NormalizeDest(has_alpha, src_value, r, g, b, a, dest_scan);
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} else {
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MergeGammaAdjustRgb(&src_scan[-2], r, g, b, a, &dest_scan[0]);
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SetAlpha(has_alpha, dest_scan);
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}
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NextPixel(&src_scan, &dest_scan, Bpp);
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}
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}
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}
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bool ShouldDrawDeviceText(const CFX_Font* pFont, uint32_t text_flags) {
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#if defined(OS_MACOSX)
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if (text_flags & FXFONT_CIDFONT)
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return false;
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const ByteString bsPsName = pFont->GetPsName();
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if (bsPsName.Contains("+ZJHL"))
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return false;
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if (bsPsName == "CNAAJI+cmex10")
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return false;
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#endif
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return true;
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}
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} // namespace
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CFX_RenderDevice::CFX_RenderDevice() = default;
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CFX_RenderDevice::~CFX_RenderDevice() {
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RestoreState(false);
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#if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_
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Flush(true);
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#endif
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}
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// static
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CFX_Matrix CFX_RenderDevice::GetFlipMatrix(float width,
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float height,
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float left,
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float top) {
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return CFX_Matrix(width, 0, 0, -height, left, top + height);
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}
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#if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_
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void CFX_RenderDevice::Flush(bool release) {
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if (release)
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m_pDeviceDriver.reset();
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else
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m_pDeviceDriver->Flush();
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}
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#endif
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void CFX_RenderDevice::SetDeviceDriver(
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std::unique_ptr<RenderDeviceDriverIface> pDriver) {
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m_pDeviceDriver = std::move(pDriver);
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InitDeviceInfo();
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}
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void CFX_RenderDevice::InitDeviceInfo() {
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m_Width = m_pDeviceDriver->GetDeviceCaps(FXDC_PIXEL_WIDTH);
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m_Height = m_pDeviceDriver->GetDeviceCaps(FXDC_PIXEL_HEIGHT);
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m_bpp = m_pDeviceDriver->GetDeviceCaps(FXDC_BITS_PIXEL);
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m_RenderCaps = m_pDeviceDriver->GetDeviceCaps(FXDC_RENDER_CAPS);
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m_DeviceType = m_pDeviceDriver->GetDeviceType();
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if (!m_pDeviceDriver->GetClipBox(&m_ClipBox)) {
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m_ClipBox.left = 0;
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m_ClipBox.top = 0;
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m_ClipBox.right = m_Width;
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m_ClipBox.bottom = m_Height;
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}
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}
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void CFX_RenderDevice::SaveState() {
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m_pDeviceDriver->SaveState();
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}
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void CFX_RenderDevice::RestoreState(bool bKeepSaved) {
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if (m_pDeviceDriver) {
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m_pDeviceDriver->RestoreState(bKeepSaved);
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UpdateClipBox();
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}
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}
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int CFX_RenderDevice::GetDeviceCaps(int caps_id) const {
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return m_pDeviceDriver->GetDeviceCaps(caps_id);
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}
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RetainPtr<CFX_DIBitmap> CFX_RenderDevice::GetBitmap() const {
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return m_pBitmap;
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}
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void CFX_RenderDevice::SetBitmap(const RetainPtr<CFX_DIBitmap>& pBitmap) {
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m_pBitmap = pBitmap;
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}
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bool CFX_RenderDevice::CreateCompatibleBitmap(
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const RetainPtr<CFX_DIBitmap>& pDIB,
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int width,
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int height) const {
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if (m_RenderCaps & FXRC_CMYK_OUTPUT) {
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return pDIB->Create(
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width, height,
|
|
m_RenderCaps & FXRC_ALPHA_OUTPUT ? FXDIB_Cmyka : FXDIB_Cmyk);
|
|
}
|
|
if (m_RenderCaps & FXRC_BYTEMASK_OUTPUT)
|
|
return pDIB->Create(width, height, FXDIB_8bppMask);
|
|
#if defined(OS_MACOSX) || defined _SKIA_SUPPORT_PATHS_
|
|
constexpr FXDIB_Format kPlatformFormat = FXDIB_Rgb32;
|
|
#else
|
|
constexpr FXDIB_Format kPlatformFormat = FXDIB_Rgb;
|
|
#endif
|
|
return pDIB->Create(
|
|
width, height,
|
|
m_RenderCaps & FXRC_ALPHA_OUTPUT ? FXDIB_Argb : kPlatformFormat);
|
|
}
|
|
|
|
void CFX_RenderDevice::SetBaseClip(const FX_RECT& rect) {
|
|
m_pDeviceDriver->SetBaseClip(rect);
|
|
}
|
|
|
|
bool CFX_RenderDevice::SetClip_PathFill(const CFX_PathData* pPathData,
|
|
const CFX_Matrix* pObject2Device,
|
|
int fill_mode) {
|
|
if (!m_pDeviceDriver->SetClip_PathFill(pPathData, pObject2Device,
|
|
fill_mode)) {
|
|
return false;
|
|
}
|
|
UpdateClipBox();
|
|
return true;
|
|
}
|
|
|
|
bool CFX_RenderDevice::SetClip_PathStroke(
|
|
const CFX_PathData* pPathData,
|
|
const CFX_Matrix* pObject2Device,
|
|
const CFX_GraphStateData* pGraphState) {
|
|
if (!m_pDeviceDriver->SetClip_PathStroke(pPathData, pObject2Device,
|
|
pGraphState)) {
|
|
return false;
|
|
}
|
|
UpdateClipBox();
|
|
return true;
|
|
}
|
|
|
|
bool CFX_RenderDevice::SetClip_Rect(const FX_RECT& rect) {
|
|
CFX_PathData path;
|
|
path.AppendRect(rect.left, rect.bottom, rect.right, rect.top);
|
|
if (!SetClip_PathFill(&path, nullptr, FXFILL_WINDING))
|
|
return false;
|
|
|
|
UpdateClipBox();
|
|
return true;
|
|
}
|
|
|
|
void CFX_RenderDevice::UpdateClipBox() {
|
|
if (m_pDeviceDriver->GetClipBox(&m_ClipBox))
|
|
return;
|
|
m_ClipBox.left = 0;
|
|
m_ClipBox.top = 0;
|
|
m_ClipBox.right = m_Width;
|
|
m_ClipBox.bottom = m_Height;
|
|
}
|
|
|
|
bool CFX_RenderDevice::DrawPathWithBlend(const CFX_PathData* pPathData,
|
|
const CFX_Matrix* pObject2Device,
|
|
const CFX_GraphStateData* pGraphState,
|
|
uint32_t fill_color,
|
|
uint32_t stroke_color,
|
|
int fill_mode,
|
|
BlendMode blend_type) {
|
|
uint8_t stroke_alpha = pGraphState ? FXARGB_A(stroke_color) : 0;
|
|
uint8_t fill_alpha = (fill_mode & 3) ? FXARGB_A(fill_color) : 0;
|
|
const std::vector<FX_PATHPOINT>& pPoints = pPathData->GetPoints();
|
|
if (stroke_alpha == 0 && pPoints.size() == 2) {
|
|
CFX_PointF pos1 = pPoints[0].m_Point;
|
|
CFX_PointF pos2 = pPoints[1].m_Point;
|
|
if (pObject2Device) {
|
|
pos1 = pObject2Device->Transform(pos1);
|
|
pos2 = pObject2Device->Transform(pos2);
|
|
}
|
|
DrawCosmeticLine(pos1, pos2, fill_color, fill_mode, blend_type);
|
|
return true;
|
|
}
|
|
|
|
if ((pPoints.size() == 5 || pPoints.size() == 4) && stroke_alpha == 0) {
|
|
CFX_FloatRect rect_f;
|
|
if (!(fill_mode & FXFILL_RECT_AA) &&
|
|
pPathData->IsRect(pObject2Device, &rect_f)) {
|
|
FX_RECT rect_i = rect_f.GetOuterRect();
|
|
|
|
// Depending on the top/bottom, left/right values of the rect it's
|
|
// possible to overflow the Width() and Height() calculations. Check that
|
|
// the rect will have valid dimension before continuing.
|
|
if (!rect_i.Valid())
|
|
return false;
|
|
|
|
int width = static_cast<int>(ceil(rect_f.right - rect_f.left));
|
|
if (width < 1) {
|
|
width = 1;
|
|
if (rect_i.left == rect_i.right)
|
|
++rect_i.right;
|
|
}
|
|
int height = static_cast<int>(ceil(rect_f.top - rect_f.bottom));
|
|
if (height < 1) {
|
|
height = 1;
|
|
if (rect_i.bottom == rect_i.top)
|
|
++rect_i.bottom;
|
|
}
|
|
if (rect_i.Width() >= width + 1) {
|
|
if (rect_f.left - static_cast<float>(rect_i.left) >
|
|
static_cast<float>(rect_i.right) - rect_f.right) {
|
|
++rect_i.left;
|
|
} else {
|
|
--rect_i.right;
|
|
}
|
|
}
|
|
if (rect_i.Height() >= height + 1) {
|
|
if (rect_f.top - static_cast<float>(rect_i.top) >
|
|
static_cast<float>(rect_i.bottom) - rect_f.bottom) {
|
|
++rect_i.top;
|
|
} else {
|
|
--rect_i.bottom;
|
|
}
|
|
}
|
|
if (FillRectWithBlend(rect_i, fill_color, blend_type))
|
|
return true;
|
|
}
|
|
}
|
|
if ((fill_mode & 3) && stroke_alpha == 0 && !(fill_mode & FX_FILL_STROKE) &&
|
|
!(fill_mode & FX_FILL_TEXT_MODE)) {
|
|
CFX_PathData newPath;
|
|
bool bThin = false;
|
|
bool setIdentity = false;
|
|
if (pPathData->GetZeroAreaPath(pObject2Device,
|
|
!!m_pDeviceDriver->GetDriverType(), &newPath,
|
|
&bThin, &setIdentity)) {
|
|
CFX_GraphStateData graphState;
|
|
graphState.m_LineWidth = 0.0f;
|
|
|
|
uint32_t strokecolor = fill_color;
|
|
if (bThin)
|
|
strokecolor = (((fill_alpha >> 2) << 24) | (strokecolor & 0x00ffffff));
|
|
|
|
const CFX_Matrix* pMatrix = nullptr;
|
|
if (pObject2Device && !pObject2Device->IsIdentity() && !setIdentity)
|
|
pMatrix = pObject2Device;
|
|
|
|
int smooth_path = FX_ZEROAREA_FILL;
|
|
if (fill_mode & FXFILL_NOPATHSMOOTH)
|
|
smooth_path |= FXFILL_NOPATHSMOOTH;
|
|
|
|
m_pDeviceDriver->DrawPath(&newPath, pMatrix, &graphState, 0, strokecolor,
|
|
smooth_path, blend_type);
|
|
}
|
|
}
|
|
if ((fill_mode & 3) && fill_alpha && stroke_alpha < 0xff &&
|
|
(fill_mode & FX_FILL_STROKE)) {
|
|
if (m_RenderCaps & FXRC_FILLSTROKE_PATH) {
|
|
return m_pDeviceDriver->DrawPath(pPathData, pObject2Device, pGraphState,
|
|
fill_color, stroke_color, fill_mode,
|
|
blend_type);
|
|
}
|
|
return DrawFillStrokePath(pPathData, pObject2Device, pGraphState,
|
|
fill_color, stroke_color, fill_mode, blend_type);
|
|
}
|
|
return m_pDeviceDriver->DrawPath(pPathData, pObject2Device, pGraphState,
|
|
fill_color, stroke_color, fill_mode,
|
|
blend_type);
|
|
}
|
|
|
|
// This can be removed once PDFium entirely relies on Skia
|
|
bool CFX_RenderDevice::DrawFillStrokePath(const CFX_PathData* pPathData,
|
|
const CFX_Matrix* pObject2Device,
|
|
const CFX_GraphStateData* pGraphState,
|
|
uint32_t fill_color,
|
|
uint32_t stroke_color,
|
|
int fill_mode,
|
|
BlendMode blend_type) {
|
|
if (!(m_RenderCaps & FXRC_GET_BITS))
|
|
return false;
|
|
CFX_FloatRect bbox;
|
|
if (pGraphState) {
|
|
bbox = pPathData->GetBoundingBox(pGraphState->m_LineWidth,
|
|
pGraphState->m_MiterLimit);
|
|
} else {
|
|
bbox = pPathData->GetBoundingBox();
|
|
}
|
|
if (pObject2Device)
|
|
bbox = pObject2Device->TransformRect(bbox);
|
|
|
|
FX_RECT rect = bbox.GetOuterRect();
|
|
if (!rect.Valid())
|
|
return false;
|
|
|
|
auto bitmap = pdfium::MakeRetain<CFX_DIBitmap>();
|
|
auto backdrop = pdfium::MakeRetain<CFX_DIBitmap>();
|
|
if (!CreateCompatibleBitmap(bitmap, rect.Width(), rect.Height()))
|
|
return false;
|
|
|
|
if (bitmap->HasAlpha()) {
|
|
bitmap->Clear(0);
|
|
backdrop->Copy(bitmap);
|
|
} else {
|
|
if (!m_pDeviceDriver->GetDIBits(bitmap, rect.left, rect.top))
|
|
return false;
|
|
backdrop->Copy(bitmap);
|
|
}
|
|
CFX_DefaultRenderDevice bitmap_device;
|
|
bitmap_device.Attach(bitmap, false, backdrop, true);
|
|
|
|
CFX_Matrix matrix;
|
|
if (pObject2Device)
|
|
matrix = *pObject2Device;
|
|
matrix.Translate(-rect.left, -rect.top);
|
|
if (!bitmap_device.GetDeviceDriver()->DrawPath(
|
|
pPathData, &matrix, pGraphState, fill_color, stroke_color, fill_mode,
|
|
blend_type)) {
|
|
return false;
|
|
}
|
|
#if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_
|
|
bitmap_device.GetDeviceDriver()->Flush();
|
|
#endif
|
|
FX_RECT src_rect(0, 0, rect.Width(), rect.Height());
|
|
return m_pDeviceDriver->SetDIBits(bitmap, 0, src_rect, rect.left, rect.top,
|
|
BlendMode::kNormal);
|
|
}
|
|
|
|
bool CFX_RenderDevice::FillRectWithBlend(const FX_RECT& rect,
|
|
uint32_t fill_color,
|
|
BlendMode blend_type) {
|
|
if (m_pDeviceDriver->FillRectWithBlend(rect, fill_color, blend_type))
|
|
return true;
|
|
|
|
if (!(m_RenderCaps & FXRC_GET_BITS))
|
|
return false;
|
|
|
|
auto bitmap = pdfium::MakeRetain<CFX_DIBitmap>();
|
|
if (!CreateCompatibleBitmap(bitmap, rect.Width(), rect.Height()))
|
|
return false;
|
|
|
|
if (!m_pDeviceDriver->GetDIBits(bitmap, rect.left, rect.top))
|
|
return false;
|
|
|
|
if (!bitmap->CompositeRect(0, 0, rect.Width(), rect.Height(), fill_color,
|
|
0)) {
|
|
return false;
|
|
}
|
|
FX_RECT src_rect(0, 0, rect.Width(), rect.Height());
|
|
m_pDeviceDriver->SetDIBits(bitmap, 0, src_rect, rect.left, rect.top,
|
|
BlendMode::kNormal);
|
|
return true;
|
|
}
|
|
|
|
bool CFX_RenderDevice::DrawCosmeticLine(const CFX_PointF& ptMoveTo,
|
|
const CFX_PointF& ptLineTo,
|
|
uint32_t color,
|
|
int fill_mode,
|
|
BlendMode blend_type) {
|
|
if ((color >= 0xff000000) && m_pDeviceDriver->DrawCosmeticLine(
|
|
ptMoveTo, ptLineTo, color, blend_type)) {
|
|
return true;
|
|
}
|
|
CFX_GraphStateData graph_state;
|
|
CFX_PathData path;
|
|
path.AppendPoint(ptMoveTo, FXPT_TYPE::MoveTo, false);
|
|
path.AppendPoint(ptLineTo, FXPT_TYPE::LineTo, false);
|
|
return m_pDeviceDriver->DrawPath(&path, nullptr, &graph_state, 0, color,
|
|
fill_mode, blend_type);
|
|
}
|
|
|
|
bool CFX_RenderDevice::GetDIBits(const RetainPtr<CFX_DIBitmap>& pBitmap,
|
|
int left,
|
|
int top) {
|
|
return (m_RenderCaps & FXRC_GET_BITS) &&
|
|
m_pDeviceDriver->GetDIBits(pBitmap, left, top);
|
|
}
|
|
|
|
RetainPtr<CFX_DIBitmap> CFX_RenderDevice::GetBackDrop() {
|
|
return m_pDeviceDriver->GetBackDrop();
|
|
}
|
|
|
|
bool CFX_RenderDevice::SetDIBitsWithBlend(const RetainPtr<CFX_DIBBase>& pBitmap,
|
|
int left,
|
|
int top,
|
|
BlendMode blend_mode) {
|
|
ASSERT(!pBitmap->IsAlphaMask());
|
|
FX_RECT dest_rect(left, top, left + pBitmap->GetWidth(),
|
|
top + pBitmap->GetHeight());
|
|
dest_rect.Intersect(m_ClipBox);
|
|
if (dest_rect.IsEmpty())
|
|
return true;
|
|
|
|
FX_RECT src_rect(dest_rect.left - left, dest_rect.top - top,
|
|
dest_rect.left - left + dest_rect.Width(),
|
|
dest_rect.top - top + dest_rect.Height());
|
|
if ((blend_mode == BlendMode::kNormal || (m_RenderCaps & FXRC_BLEND_MODE)) &&
|
|
(!pBitmap->HasAlpha() || (m_RenderCaps & FXRC_ALPHA_IMAGE))) {
|
|
return m_pDeviceDriver->SetDIBits(pBitmap, 0, src_rect, dest_rect.left,
|
|
dest_rect.top, blend_mode);
|
|
}
|
|
if (!(m_RenderCaps & FXRC_GET_BITS))
|
|
return false;
|
|
|
|
int bg_pixel_width = dest_rect.Width();
|
|
int bg_pixel_height = dest_rect.Height();
|
|
auto background = pdfium::MakeRetain<CFX_DIBitmap>();
|
|
if (!background->Create(
|
|
bg_pixel_width, bg_pixel_height,
|
|
(m_RenderCaps & FXRC_CMYK_OUTPUT) ? FXDIB_Cmyk : FXDIB_Rgb32)) {
|
|
return false;
|
|
}
|
|
if (!m_pDeviceDriver->GetDIBits(background, dest_rect.left, dest_rect.top)) {
|
|
return false;
|
|
}
|
|
if (!background->CompositeBitmap(0, 0, bg_pixel_width, bg_pixel_height,
|
|
pBitmap, src_rect.left, src_rect.top,
|
|
blend_mode, nullptr, false)) {
|
|
return false;
|
|
}
|
|
FX_RECT rect(0, 0, bg_pixel_width, bg_pixel_height);
|
|
return m_pDeviceDriver->SetDIBits(background, 0, rect, dest_rect.left,
|
|
dest_rect.top, BlendMode::kNormal);
|
|
}
|
|
|
|
bool CFX_RenderDevice::StretchDIBitsWithFlagsAndBlend(
|
|
const RetainPtr<CFX_DIBBase>& pBitmap,
|
|
int left,
|
|
int top,
|
|
int dest_width,
|
|
int dest_height,
|
|
const FXDIB_ResampleOptions& options,
|
|
BlendMode blend_mode) {
|
|
FX_RECT dest_rect(left, top, left + dest_width, top + dest_height);
|
|
FX_RECT clip_box = m_ClipBox;
|
|
clip_box.Intersect(dest_rect);
|
|
return clip_box.IsEmpty() || m_pDeviceDriver->StretchDIBits(
|
|
pBitmap, 0, left, top, dest_width,
|
|
dest_height, &clip_box, options, blend_mode);
|
|
}
|
|
|
|
bool CFX_RenderDevice::SetBitMask(const RetainPtr<CFX_DIBBase>& pBitmap,
|
|
int left,
|
|
int top,
|
|
uint32_t argb) {
|
|
FX_RECT src_rect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight());
|
|
return m_pDeviceDriver->SetDIBits(pBitmap, argb, src_rect, left, top,
|
|
BlendMode::kNormal);
|
|
}
|
|
|
|
bool CFX_RenderDevice::StretchBitMask(const RetainPtr<CFX_DIBBase>& pBitmap,
|
|
int left,
|
|
int top,
|
|
int dest_width,
|
|
int dest_height,
|
|
uint32_t color) {
|
|
return StretchBitMaskWithFlags(pBitmap, left, top, dest_width, dest_height,
|
|
color, FXDIB_ResampleOptions());
|
|
}
|
|
|
|
bool CFX_RenderDevice::StretchBitMaskWithFlags(
|
|
const RetainPtr<CFX_DIBBase>& pBitmap,
|
|
int left,
|
|
int top,
|
|
int dest_width,
|
|
int dest_height,
|
|
uint32_t argb,
|
|
const FXDIB_ResampleOptions& options) {
|
|
FX_RECT dest_rect(left, top, left + dest_width, top + dest_height);
|
|
FX_RECT clip_box = m_ClipBox;
|
|
clip_box.Intersect(dest_rect);
|
|
return m_pDeviceDriver->StretchDIBits(pBitmap, argb, left, top, dest_width,
|
|
dest_height, &clip_box, options,
|
|
BlendMode::kNormal);
|
|
}
|
|
|
|
bool CFX_RenderDevice::StartDIBitsWithBlend(
|
|
const RetainPtr<CFX_DIBBase>& pBitmap,
|
|
int bitmap_alpha,
|
|
uint32_t argb,
|
|
const CFX_Matrix& matrix,
|
|
const FXDIB_ResampleOptions& options,
|
|
std::unique_ptr<CFX_ImageRenderer>* handle,
|
|
BlendMode blend_mode) {
|
|
return m_pDeviceDriver->StartDIBits(pBitmap, bitmap_alpha, argb, matrix,
|
|
options, handle, blend_mode);
|
|
}
|
|
|
|
bool CFX_RenderDevice::ContinueDIBits(CFX_ImageRenderer* handle,
|
|
PauseIndicatorIface* pPause) {
|
|
return m_pDeviceDriver->ContinueDIBits(handle, pPause);
|
|
}
|
|
|
|
#ifdef _SKIA_SUPPORT_
|
|
void CFX_RenderDevice::DebugVerifyBitmapIsPreMultiplied() const {
|
|
NOTREACHED();
|
|
}
|
|
|
|
bool CFX_RenderDevice::SetBitsWithMask(const RetainPtr<CFX_DIBBase>& pBitmap,
|
|
const RetainPtr<CFX_DIBBase>& pMask,
|
|
int left,
|
|
int top,
|
|
int bitmap_alpha,
|
|
BlendMode blend_type) {
|
|
return m_pDeviceDriver->SetBitsWithMask(pBitmap, pMask, left, top,
|
|
bitmap_alpha, blend_type);
|
|
}
|
|
#endif
|
|
|
|
bool CFX_RenderDevice::DrawNormalText(int nChars,
|
|
const TextCharPos* pCharPos,
|
|
CFX_Font* pFont,
|
|
float font_size,
|
|
const CFX_Matrix& mtText2Device,
|
|
uint32_t fill_color,
|
|
uint32_t text_flags) {
|
|
int nativetext_flags = text_flags;
|
|
if (m_DeviceType != DeviceType::kDisplay) {
|
|
if (!(text_flags & FXTEXT_PRINTGRAPHICTEXT)) {
|
|
if (ShouldDrawDeviceText(pFont, text_flags) &&
|
|
m_pDeviceDriver->DrawDeviceText(
|
|
nChars, pCharPos, pFont, mtText2Device, font_size, fill_color)) {
|
|
return true;
|
|
}
|
|
}
|
|
if (FXARGB_A(fill_color) < 255)
|
|
return false;
|
|
} else if (!(text_flags & FXTEXT_NO_NATIVETEXT)) {
|
|
if (ShouldDrawDeviceText(pFont, text_flags) &&
|
|
m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, mtText2Device,
|
|
font_size, fill_color)) {
|
|
return true;
|
|
}
|
|
}
|
|
CFX_Matrix char2device = mtText2Device;
|
|
CFX_Matrix text2Device = mtText2Device;
|
|
char2device.Scale(font_size, -font_size);
|
|
if (fabs(char2device.a) + fabs(char2device.b) > 50 * 1.0f ||
|
|
(m_DeviceType == DeviceType::kPrinter &&
|
|
!(text_flags & FXTEXT_PRINTIMAGETEXT))) {
|
|
if (pFont->GetFaceRec()) {
|
|
int nPathFlags =
|
|
(text_flags & FXTEXT_NOSMOOTH) == 0 ? 0 : FXFILL_NOPATHSMOOTH;
|
|
return DrawTextPath(nChars, pCharPos, pFont, font_size, mtText2Device,
|
|
nullptr, nullptr, fill_color, 0, nullptr, nPathFlags);
|
|
}
|
|
}
|
|
int anti_alias = FT_RENDER_MODE_MONO;
|
|
bool bNormal = false;
|
|
if ((text_flags & FXTEXT_NOSMOOTH) == 0) {
|
|
if (m_DeviceType == DeviceType::kDisplay && m_bpp > 1) {
|
|
if (!CFX_GEModule::Get()->GetFontMgr()->FTLibrarySupportsHinting()) {
|
|
// Some Freetype implementations (like the one packaged with Fedora) do
|
|
// not support hinting due to patents 6219025, 6239783, 6307566,
|
|
// 6225973, 6243070, 6393145, 6421054, 6282327, and 6624828; the latest
|
|
// one expires 10/7/19. This makes LCD antialiasing very ugly, so we
|
|
// instead fall back on NORMAL antialiasing.
|
|
anti_alias = FT_RENDER_MODE_NORMAL;
|
|
} else if ((m_RenderCaps & (FXRC_ALPHA_OUTPUT | FXRC_CMYK_OUTPUT))) {
|
|
anti_alias = FT_RENDER_MODE_LCD;
|
|
bNormal = true;
|
|
} else if (m_bpp < 16) {
|
|
anti_alias = FT_RENDER_MODE_NORMAL;
|
|
} else {
|
|
anti_alias = FT_RENDER_MODE_LCD;
|
|
|
|
bool bClearType = false;
|
|
if (pFont->GetFaceRec())
|
|
bClearType = !!(text_flags & FXTEXT_CLEARTYPE);
|
|
bNormal = !bClearType;
|
|
}
|
|
}
|
|
}
|
|
std::vector<TextGlyphPos> glyphs(nChars);
|
|
CFX_Matrix deviceCtm = char2device;
|
|
|
|
for (size_t i = 0; i < glyphs.size(); ++i) {
|
|
TextGlyphPos& glyph = glyphs[i];
|
|
const TextCharPos& charpos = pCharPos[i];
|
|
|
|
glyph.m_fOrigin = text2Device.Transform(charpos.m_Origin);
|
|
if (anti_alias < FT_RENDER_MODE_LCD)
|
|
glyph.m_Origin.x = FXSYS_roundf(glyph.m_fOrigin.x);
|
|
else
|
|
glyph.m_Origin.x = static_cast<int>(floor(glyph.m_fOrigin.x));
|
|
glyph.m_Origin.y = FXSYS_roundf(glyph.m_fOrigin.y);
|
|
|
|
if (charpos.m_bGlyphAdjust) {
|
|
CFX_Matrix new_matrix(
|
|
charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
|
|
charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0);
|
|
new_matrix.Concat(deviceCtm);
|
|
glyph.m_pGlyph = pFont->LoadGlyphBitmap(
|
|
charpos.m_GlyphIndex, charpos.m_bFontStyle, new_matrix,
|
|
charpos.m_FontCharWidth, anti_alias, &nativetext_flags);
|
|
} else {
|
|
glyph.m_pGlyph = pFont->LoadGlyphBitmap(
|
|
charpos.m_GlyphIndex, charpos.m_bFontStyle, deviceCtm,
|
|
charpos.m_FontCharWidth, anti_alias, &nativetext_flags);
|
|
}
|
|
}
|
|
if (anti_alias < FT_RENDER_MODE_LCD && glyphs.size() > 1)
|
|
AdjustGlyphSpace(&glyphs);
|
|
|
|
FX_RECT bmp_rect = GetGlyphsBBox(glyphs, anti_alias);
|
|
bmp_rect.Intersect(m_ClipBox);
|
|
if (bmp_rect.IsEmpty())
|
|
return true;
|
|
|
|
int pixel_width = bmp_rect.Width();
|
|
int pixel_height = bmp_rect.Height();
|
|
int pixel_left = bmp_rect.left;
|
|
int pixel_top = bmp_rect.top;
|
|
if (anti_alias == FT_RENDER_MODE_MONO) {
|
|
auto bitmap = pdfium::MakeRetain<CFX_DIBitmap>();
|
|
if (!bitmap->Create(pixel_width, pixel_height, FXDIB_1bppMask))
|
|
return false;
|
|
bitmap->Clear(0);
|
|
for (const TextGlyphPos& glyph : glyphs) {
|
|
if (!glyph.m_pGlyph)
|
|
continue;
|
|
|
|
Optional<CFX_Point> point = glyph.GetOrigin({pixel_left, pixel_top});
|
|
if (!point.has_value())
|
|
continue;
|
|
|
|
const RetainPtr<CFX_DIBitmap>& pGlyph = glyph.m_pGlyph->GetBitmap();
|
|
bitmap->TransferBitmap(point.value().x, point.value().y,
|
|
pGlyph->GetWidth(), pGlyph->GetHeight(), pGlyph, 0,
|
|
0);
|
|
}
|
|
return SetBitMask(bitmap, bmp_rect.left, bmp_rect.top, fill_color);
|
|
}
|
|
auto bitmap = pdfium::MakeRetain<CFX_DIBitmap>();
|
|
if (m_bpp == 8) {
|
|
if (!bitmap->Create(pixel_width, pixel_height, FXDIB_8bppMask))
|
|
return false;
|
|
} else {
|
|
if (!CreateCompatibleBitmap(bitmap, pixel_width, pixel_height))
|
|
return false;
|
|
}
|
|
if (!bitmap->HasAlpha() && !bitmap->IsAlphaMask()) {
|
|
bitmap->Clear(0xFFFFFFFF);
|
|
if (!GetDIBits(bitmap, bmp_rect.left, bmp_rect.top))
|
|
return false;
|
|
} else {
|
|
bitmap->Clear(0);
|
|
if (bitmap->m_pAlphaMask)
|
|
bitmap->m_pAlphaMask->Clear(0);
|
|
}
|
|
int dest_width = pixel_width;
|
|
int a = 0;
|
|
int r = 0;
|
|
int g = 0;
|
|
int b = 0;
|
|
if (anti_alias == FT_RENDER_MODE_LCD)
|
|
std::tie(a, r, g, b) = ArgbDecode(fill_color);
|
|
|
|
for (const TextGlyphPos& glyph : glyphs) {
|
|
if (!glyph.m_pGlyph)
|
|
continue;
|
|
|
|
Optional<CFX_Point> point = glyph.GetOrigin({pixel_left, pixel_top});
|
|
if (!point.has_value())
|
|
continue;
|
|
|
|
const RetainPtr<CFX_DIBitmap>& pGlyph = glyph.m_pGlyph->GetBitmap();
|
|
int ncols = pGlyph->GetWidth();
|
|
int nrows = pGlyph->GetHeight();
|
|
if (anti_alias == FT_RENDER_MODE_NORMAL) {
|
|
if (!bitmap->CompositeMask(point.value().x, point.value().y, ncols, nrows,
|
|
pGlyph, fill_color, 0, 0, BlendMode::kNormal,
|
|
nullptr, false)) {
|
|
return false;
|
|
}
|
|
continue;
|
|
}
|
|
bool bBGRStripe = !!(text_flags & FXTEXT_BGR_STRIPE);
|
|
ncols /= 3;
|
|
int x_subpixel = static_cast<int>(glyph.m_fOrigin.x * 3) % 3;
|
|
int start_col = std::max(point->x, 0);
|
|
FX_SAFE_INT32 end_col_safe = point->x;
|
|
end_col_safe += ncols;
|
|
if (!end_col_safe.IsValid())
|
|
continue;
|
|
|
|
int end_col = std::min<int>(end_col_safe.ValueOrDie(), dest_width);
|
|
if (start_col >= end_col)
|
|
continue;
|
|
|
|
DrawNormalTextHelper(bitmap, pGlyph, nrows, point->x, point->y, start_col,
|
|
end_col, bNormal, bBGRStripe, x_subpixel, a, r, g, b);
|
|
}
|
|
if (bitmap->IsAlphaMask())
|
|
SetBitMask(bitmap, bmp_rect.left, bmp_rect.top, fill_color);
|
|
else
|
|
SetDIBits(bitmap, bmp_rect.left, bmp_rect.top);
|
|
return true;
|
|
}
|
|
|
|
bool CFX_RenderDevice::DrawTextPath(int nChars,
|
|
const TextCharPos* pCharPos,
|
|
CFX_Font* pFont,
|
|
float font_size,
|
|
const CFX_Matrix& mtText2User,
|
|
const CFX_Matrix* pUser2Device,
|
|
const CFX_GraphStateData* pGraphState,
|
|
uint32_t fill_color,
|
|
FX_ARGB stroke_color,
|
|
CFX_PathData* pClippingPath,
|
|
int nFlag) {
|
|
for (int iChar = 0; iChar < nChars; ++iChar) {
|
|
const TextCharPos& charpos = pCharPos[iChar];
|
|
CFX_Matrix matrix;
|
|
if (charpos.m_bGlyphAdjust) {
|
|
matrix = CFX_Matrix(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
|
|
charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3],
|
|
0, 0);
|
|
}
|
|
matrix.Concat(CFX_Matrix(font_size, 0, 0, font_size, charpos.m_Origin.x,
|
|
charpos.m_Origin.y));
|
|
const CFX_PathData* pPath =
|
|
pFont->LoadGlyphPath(charpos.m_GlyphIndex, charpos.m_FontCharWidth);
|
|
if (!pPath)
|
|
continue;
|
|
|
|
matrix.Concat(mtText2User);
|
|
|
|
CFX_PathData TransformedPath(*pPath);
|
|
TransformedPath.Transform(matrix);
|
|
if (fill_color || stroke_color) {
|
|
int fill_mode = nFlag;
|
|
if (fill_color)
|
|
fill_mode |= FXFILL_WINDING;
|
|
fill_mode |= FX_FILL_TEXT_MODE;
|
|
if (!DrawPathWithBlend(&TransformedPath, pUser2Device, pGraphState,
|
|
fill_color, stroke_color, fill_mode,
|
|
BlendMode::kNormal)) {
|
|
return false;
|
|
}
|
|
}
|
|
if (pClippingPath)
|
|
pClippingPath->Append(&TransformedPath, pUser2Device);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void CFX_RenderDevice::DrawFillRect(const CFX_Matrix* pUser2Device,
|
|
const CFX_FloatRect& rect,
|
|
const FX_COLORREF& color) {
|
|
CFX_PathData path;
|
|
path.AppendFloatRect(rect);
|
|
DrawPath(&path, pUser2Device, nullptr, color, 0, FXFILL_WINDING);
|
|
}
|
|
|
|
void CFX_RenderDevice::DrawFillArea(const CFX_Matrix& mtUser2Device,
|
|
const std::vector<CFX_PointF>& points,
|
|
const FX_COLORREF& color) {
|
|
ASSERT(!points.empty());
|
|
CFX_PathData path;
|
|
path.AppendPoint(points[0], FXPT_TYPE::MoveTo, false);
|
|
for (size_t i = 1; i < points.size(); ++i)
|
|
path.AppendPoint(points[i], FXPT_TYPE::LineTo, false);
|
|
|
|
DrawPath(&path, &mtUser2Device, nullptr, color, 0, FXFILL_ALTERNATE);
|
|
}
|
|
|
|
void CFX_RenderDevice::DrawStrokeRect(const CFX_Matrix& mtUser2Device,
|
|
const CFX_FloatRect& rect,
|
|
const FX_COLORREF& color,
|
|
float fWidth) {
|
|
CFX_GraphStateData gsd;
|
|
gsd.m_LineWidth = fWidth;
|
|
|
|
CFX_PathData path;
|
|
path.AppendFloatRect(rect);
|
|
DrawPath(&path, &mtUser2Device, &gsd, 0, color, FXFILL_ALTERNATE);
|
|
}
|
|
|
|
void CFX_RenderDevice::DrawStrokeLine(const CFX_Matrix* pUser2Device,
|
|
const CFX_PointF& ptMoveTo,
|
|
const CFX_PointF& ptLineTo,
|
|
const FX_COLORREF& color,
|
|
float fWidth) {
|
|
CFX_PathData path;
|
|
path.AppendPoint(ptMoveTo, FXPT_TYPE::MoveTo, false);
|
|
path.AppendPoint(ptLineTo, FXPT_TYPE::LineTo, false);
|
|
|
|
CFX_GraphStateData gsd;
|
|
gsd.m_LineWidth = fWidth;
|
|
|
|
DrawPath(&path, pUser2Device, &gsd, 0, color, FXFILL_ALTERNATE);
|
|
}
|
|
|
|
void CFX_RenderDevice::DrawFillRect(const CFX_Matrix* pUser2Device,
|
|
const CFX_FloatRect& rect,
|
|
const CFX_Color& color,
|
|
int32_t nTransparency) {
|
|
DrawFillRect(pUser2Device, rect, color.ToFXColor(nTransparency));
|
|
}
|
|
|
|
void CFX_RenderDevice::DrawShadow(const CFX_Matrix& mtUser2Device,
|
|
bool bVertical,
|
|
bool bHorizontal,
|
|
const CFX_FloatRect& rect,
|
|
int32_t nTransparency,
|
|
int32_t nStartGray,
|
|
int32_t nEndGray) {
|
|
float fStepGray = 1.0f;
|
|
|
|
if (bVertical) {
|
|
fStepGray = (nEndGray - nStartGray) / rect.Height();
|
|
|
|
for (float fy = rect.bottom + 0.5f; fy <= rect.top - 0.5f; fy += 1.0f) {
|
|
int32_t nGray = nStartGray + (int32_t)(fStepGray * (fy - rect.bottom));
|
|
DrawStrokeLine(&mtUser2Device, CFX_PointF(rect.left, fy),
|
|
CFX_PointF(rect.right, fy),
|
|
ArgbEncode(nTransparency, nGray, nGray, nGray), 1.5f);
|
|
}
|
|
}
|
|
|
|
if (bHorizontal) {
|
|
fStepGray = (nEndGray - nStartGray) / rect.Width();
|
|
|
|
for (float fx = rect.left + 0.5f; fx <= rect.right - 0.5f; fx += 1.0f) {
|
|
int32_t nGray = nStartGray + (int32_t)(fStepGray * (fx - rect.left));
|
|
DrawStrokeLine(&mtUser2Device, CFX_PointF(fx, rect.bottom),
|
|
CFX_PointF(fx, rect.top),
|
|
ArgbEncode(nTransparency, nGray, nGray, nGray), 1.5f);
|
|
}
|
|
}
|
|
}
|
|
|
|
void CFX_RenderDevice::DrawBorder(const CFX_Matrix* pUser2Device,
|
|
const CFX_FloatRect& rect,
|
|
float fWidth,
|
|
const CFX_Color& color,
|
|
const CFX_Color& crLeftTop,
|
|
const CFX_Color& crRightBottom,
|
|
BorderStyle nStyle,
|
|
int32_t nTransparency) {
|
|
float fLeft = rect.left;
|
|
float fRight = rect.right;
|
|
float fTop = rect.top;
|
|
float fBottom = rect.bottom;
|
|
|
|
if (fWidth > 0.0f) {
|
|
float fHalfWidth = fWidth / 2.0f;
|
|
|
|
switch (nStyle) {
|
|
default:
|
|
case BorderStyle::SOLID: {
|
|
CFX_PathData path;
|
|
path.AppendRect(fLeft, fBottom, fRight, fTop);
|
|
path.AppendRect(fLeft + fWidth, fBottom + fWidth, fRight - fWidth,
|
|
fTop - fWidth);
|
|
DrawPath(&path, pUser2Device, nullptr, color.ToFXColor(nTransparency),
|
|
0, FXFILL_ALTERNATE);
|
|
break;
|
|
}
|
|
case BorderStyle::DASH: {
|
|
CFX_PathData path;
|
|
path.AppendPoint(
|
|
CFX_PointF(fLeft + fWidth / 2.0f, fBottom + fWidth / 2.0f),
|
|
FXPT_TYPE::MoveTo, false);
|
|
path.AppendPoint(
|
|
CFX_PointF(fLeft + fWidth / 2.0f, fTop - fWidth / 2.0f),
|
|
FXPT_TYPE::LineTo, false);
|
|
path.AppendPoint(
|
|
CFX_PointF(fRight - fWidth / 2.0f, fTop - fWidth / 2.0f),
|
|
FXPT_TYPE::LineTo, false);
|
|
path.AppendPoint(
|
|
CFX_PointF(fRight - fWidth / 2.0f, fBottom + fWidth / 2.0f),
|
|
FXPT_TYPE::LineTo, false);
|
|
path.AppendPoint(
|
|
CFX_PointF(fLeft + fWidth / 2.0f, fBottom + fWidth / 2.0f),
|
|
FXPT_TYPE::LineTo, false);
|
|
|
|
CFX_GraphStateData gsd;
|
|
gsd.m_DashArray = {3.0f, 3.0f};
|
|
gsd.m_DashPhase = 0;
|
|
gsd.m_LineWidth = fWidth;
|
|
DrawPath(&path, pUser2Device, &gsd, 0, color.ToFXColor(nTransparency),
|
|
FXFILL_WINDING);
|
|
break;
|
|
}
|
|
case BorderStyle::BEVELED:
|
|
case BorderStyle::INSET: {
|
|
CFX_GraphStateData gsd;
|
|
gsd.m_LineWidth = fHalfWidth;
|
|
|
|
CFX_PathData pathLT;
|
|
|
|
pathLT.AppendPoint(CFX_PointF(fLeft + fHalfWidth, fBottom + fHalfWidth),
|
|
FXPT_TYPE::MoveTo, false);
|
|
pathLT.AppendPoint(CFX_PointF(fLeft + fHalfWidth, fTop - fHalfWidth),
|
|
FXPT_TYPE::LineTo, false);
|
|
pathLT.AppendPoint(CFX_PointF(fRight - fHalfWidth, fTop - fHalfWidth),
|
|
FXPT_TYPE::LineTo, false);
|
|
pathLT.AppendPoint(
|
|
CFX_PointF(fRight - fHalfWidth * 2, fTop - fHalfWidth * 2),
|
|
FXPT_TYPE::LineTo, false);
|
|
pathLT.AppendPoint(
|
|
CFX_PointF(fLeft + fHalfWidth * 2, fTop - fHalfWidth * 2),
|
|
FXPT_TYPE::LineTo, false);
|
|
pathLT.AppendPoint(
|
|
CFX_PointF(fLeft + fHalfWidth * 2, fBottom + fHalfWidth * 2),
|
|
FXPT_TYPE::LineTo, false);
|
|
pathLT.AppendPoint(CFX_PointF(fLeft + fHalfWidth, fBottom + fHalfWidth),
|
|
FXPT_TYPE::LineTo, false);
|
|
|
|
DrawPath(&pathLT, pUser2Device, &gsd,
|
|
crLeftTop.ToFXColor(nTransparency), 0, FXFILL_ALTERNATE);
|
|
|
|
CFX_PathData pathRB;
|
|
pathRB.AppendPoint(CFX_PointF(fRight - fHalfWidth, fTop - fHalfWidth),
|
|
FXPT_TYPE::MoveTo, false);
|
|
pathRB.AppendPoint(
|
|
CFX_PointF(fRight - fHalfWidth, fBottom + fHalfWidth),
|
|
FXPT_TYPE::LineTo, false);
|
|
pathRB.AppendPoint(CFX_PointF(fLeft + fHalfWidth, fBottom + fHalfWidth),
|
|
FXPT_TYPE::LineTo, false);
|
|
pathRB.AppendPoint(
|
|
CFX_PointF(fLeft + fHalfWidth * 2, fBottom + fHalfWidth * 2),
|
|
FXPT_TYPE::LineTo, false);
|
|
pathRB.AppendPoint(
|
|
CFX_PointF(fRight - fHalfWidth * 2, fBottom + fHalfWidth * 2),
|
|
FXPT_TYPE::LineTo, false);
|
|
pathRB.AppendPoint(
|
|
CFX_PointF(fRight - fHalfWidth * 2, fTop - fHalfWidth * 2),
|
|
FXPT_TYPE::LineTo, false);
|
|
pathRB.AppendPoint(CFX_PointF(fRight - fHalfWidth, fTop - fHalfWidth),
|
|
FXPT_TYPE::LineTo, false);
|
|
|
|
DrawPath(&pathRB, pUser2Device, &gsd,
|
|
crRightBottom.ToFXColor(nTransparency), 0, FXFILL_ALTERNATE);
|
|
|
|
CFX_PathData path;
|
|
|
|
path.AppendRect(fLeft, fBottom, fRight, fTop);
|
|
path.AppendRect(fLeft + fHalfWidth, fBottom + fHalfWidth,
|
|
fRight - fHalfWidth, fTop - fHalfWidth);
|
|
|
|
DrawPath(&path, pUser2Device, &gsd, color.ToFXColor(nTransparency), 0,
|
|
FXFILL_ALTERNATE);
|
|
break;
|
|
}
|
|
case BorderStyle::UNDERLINE: {
|
|
CFX_PathData path;
|
|
path.AppendPoint(CFX_PointF(fLeft, fBottom + fWidth / 2),
|
|
FXPT_TYPE::MoveTo, false);
|
|
path.AppendPoint(CFX_PointF(fRight, fBottom + fWidth / 2),
|
|
FXPT_TYPE::LineTo, false);
|
|
|
|
CFX_GraphStateData gsd;
|
|
gsd.m_LineWidth = fWidth;
|
|
|
|
DrawPath(&path, pUser2Device, &gsd, 0, color.ToFXColor(nTransparency),
|
|
FXFILL_ALTERNATE);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
CFX_RenderDevice::StateRestorer::StateRestorer(CFX_RenderDevice* pDevice)
|
|
: m_pDevice(pDevice) {
|
|
m_pDevice->SaveState();
|
|
}
|
|
|
|
CFX_RenderDevice::StateRestorer::~StateRestorer() {
|
|
m_pDevice->RestoreState(false);
|
|
}
|