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-rw-r--r--core/fxge/dib/cfx_dibsource.cpp1
-rw-r--r--core/fxge/dib/cfx_imagerenderer.cpp143
-rw-r--r--core/fxge/dib/cfx_imagerenderer.h59
-rw-r--r--core/fxge/dib/cfx_imagetransformer.cpp (renamed from core/fxge/dib/fx_dib_transform.cpp)69
-rw-r--r--core/fxge/dib/cfx_imagetransformer.h47
-rw-r--r--core/fxge/dib/fx_dib_main.cpp194
6 files changed, 316 insertions, 197 deletions
diff --git a/core/fxge/dib/cfx_dibsource.cpp b/core/fxge/dib/cfx_dibsource.cpp
index a3e5c30d5b..f1ea4adfa9 100644
--- a/core/fxge/dib/cfx_dibsource.cpp
+++ b/core/fxge/dib/cfx_dibsource.cpp
@@ -11,6 +11,7 @@
#include <utility>
#include "core/fxge/dib/cfx_dibitmap.h"
+#include "core/fxge/dib/cfx_imagetransformer.h"
#include "core/fxge/ge/cfx_cliprgn.h"
#include "third_party/base/ptr_util.h"
diff --git a/core/fxge/dib/cfx_imagerenderer.cpp b/core/fxge/dib/cfx_imagerenderer.cpp
new file mode 100644
index 0000000000..9eea474352
--- /dev/null
+++ b/core/fxge/dib/cfx_imagerenderer.cpp
@@ -0,0 +1,143 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fxge/dib/cfx_imagerenderer.h"
+
+#include <memory>
+
+#include "core/fxge/dib/cfx_imagetransformer.h"
+#include "core/fxge/dib/dib_int.h"
+#include "core/fxge/ge/cfx_cliprgn.h"
+#include "third_party/base/ptr_util.h"
+
+CFX_ImageRenderer::CFX_ImageRenderer()
+ : m_Status(0),
+ m_pIccTransform(nullptr),
+ m_bRgbByteOrder(false),
+ m_BlendType(FXDIB_BLEND_NORMAL) {}
+
+CFX_ImageRenderer::~CFX_ImageRenderer() {}
+
+bool CFX_ImageRenderer::Start(const CFX_RetainPtr<CFX_DIBitmap>& pDevice,
+ const CFX_ClipRgn* pClipRgn,
+ const CFX_RetainPtr<CFX_DIBSource>& pSource,
+ int bitmap_alpha,
+ uint32_t mask_color,
+ const CFX_Matrix* pMatrix,
+ uint32_t dib_flags,
+ bool bRgbByteOrder,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) {
+ m_Matrix = *pMatrix;
+ CFX_FloatRect image_rect_f = m_Matrix.GetUnitRect();
+ FX_RECT image_rect = image_rect_f.GetOuterRect();
+ m_ClipBox = pClipRgn ? pClipRgn->GetBox() : FX_RECT(0, 0, pDevice->GetWidth(),
+ pDevice->GetHeight());
+ m_ClipBox.Intersect(image_rect);
+ if (m_ClipBox.IsEmpty())
+ return false;
+
+ m_pDevice = pDevice;
+ m_pClipRgn = pClipRgn;
+ m_MaskColor = mask_color;
+ m_BitmapAlpha = bitmap_alpha;
+ m_Matrix = *pMatrix;
+ m_Flags = dib_flags;
+ m_AlphaFlag = alpha_flag;
+ m_pIccTransform = pIccTransform;
+ m_bRgbByteOrder = bRgbByteOrder;
+ m_BlendType = blend_type;
+
+ if ((FXSYS_fabs(m_Matrix.b) >= 0.5f || m_Matrix.a == 0) ||
+ (FXSYS_fabs(m_Matrix.c) >= 0.5f || m_Matrix.d == 0)) {
+ if (FXSYS_fabs(m_Matrix.a) < FXSYS_fabs(m_Matrix.b) / 20 &&
+ FXSYS_fabs(m_Matrix.d) < FXSYS_fabs(m_Matrix.c) / 20 &&
+ FXSYS_fabs(m_Matrix.a) < 0.5f && FXSYS_fabs(m_Matrix.d) < 0.5f) {
+ int dest_width = image_rect.Width();
+ int dest_height = image_rect.Height();
+ FX_RECT bitmap_clip = m_ClipBox;
+ bitmap_clip.Offset(-image_rect.left, -image_rect.top);
+ bitmap_clip = FXDIB_SwapClipBox(bitmap_clip, dest_width, dest_height,
+ m_Matrix.c > 0, m_Matrix.b < 0);
+ m_Composer.Compose(pDevice, pClipRgn, bitmap_alpha, mask_color, m_ClipBox,
+ true, m_Matrix.c > 0, m_Matrix.b < 0, m_bRgbByteOrder,
+ alpha_flag, pIccTransform, m_BlendType);
+ m_Stretcher = pdfium::MakeUnique<CFX_ImageStretcher>(
+ &m_Composer, pSource, dest_height, dest_width, bitmap_clip,
+ dib_flags);
+ if (!m_Stretcher->Start())
+ return false;
+
+ m_Status = 1;
+ return true;
+ }
+ m_Status = 2;
+ m_pTransformer = pdfium::MakeUnique<CFX_ImageTransformer>(
+ pSource, &m_Matrix, dib_flags, &m_ClipBox);
+ m_pTransformer->Start();
+ return true;
+ }
+
+ int dest_width = image_rect.Width();
+ if (m_Matrix.a < 0)
+ dest_width = -dest_width;
+
+ int dest_height = image_rect.Height();
+ if (m_Matrix.d > 0)
+ dest_height = -dest_height;
+
+ if (dest_width == 0 || dest_height == 0)
+ return false;
+
+ FX_RECT bitmap_clip = m_ClipBox;
+ bitmap_clip.Offset(-image_rect.left, -image_rect.top);
+ m_Composer.Compose(pDevice, pClipRgn, bitmap_alpha, mask_color, m_ClipBox,
+ false, false, false, m_bRgbByteOrder, alpha_flag,
+ pIccTransform, m_BlendType);
+ m_Status = 1;
+ m_Stretcher = pdfium::MakeUnique<CFX_ImageStretcher>(
+ &m_Composer, pSource, dest_width, dest_height, bitmap_clip, dib_flags);
+ return m_Stretcher->Start();
+}
+
+bool CFX_ImageRenderer::Continue(IFX_Pause* pPause) {
+ if (m_Status == 1)
+ return m_Stretcher->Continue(pPause);
+
+ if (m_Status != 2)
+ return false;
+
+ if (m_pTransformer->Continue(pPause))
+ return true;
+
+ CFX_RetainPtr<CFX_DIBitmap> pBitmap = m_pTransformer->DetachBitmap();
+ if (!pBitmap || !pBitmap->GetBuffer())
+ return false;
+
+ if (pBitmap->IsAlphaMask()) {
+ if (m_BitmapAlpha != 255) {
+ if (m_AlphaFlag >> 8) {
+ m_AlphaFlag = (((uint8_t)((m_AlphaFlag & 0xff) * m_BitmapAlpha / 255)) |
+ ((m_AlphaFlag >> 8) << 8));
+ } else {
+ m_MaskColor = FXARGB_MUL_ALPHA(m_MaskColor, m_BitmapAlpha);
+ }
+ }
+ m_pDevice->CompositeMask(
+ m_pTransformer->result().left, m_pTransformer->result().top,
+ pBitmap->GetWidth(), pBitmap->GetHeight(), pBitmap, m_MaskColor, 0, 0,
+ m_BlendType, m_pClipRgn, m_bRgbByteOrder, m_AlphaFlag, m_pIccTransform);
+ } else {
+ if (m_BitmapAlpha != 255)
+ pBitmap->MultiplyAlpha(m_BitmapAlpha);
+ m_pDevice->CompositeBitmap(
+ m_pTransformer->result().left, m_pTransformer->result().top,
+ pBitmap->GetWidth(), pBitmap->GetHeight(), pBitmap, 0, 0, m_BlendType,
+ m_pClipRgn, m_bRgbByteOrder, m_pIccTransform);
+ }
+ return false;
+}
diff --git a/core/fxge/dib/cfx_imagerenderer.h b/core/fxge/dib/cfx_imagerenderer.h
new file mode 100644
index 0000000000..7e78bfe752
--- /dev/null
+++ b/core/fxge/dib/cfx_imagerenderer.h
@@ -0,0 +1,59 @@
+// Copyright 2017 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
+
+#ifndef CORE_FXGE_DIB_CFX_IMAGERENDERER_H_
+#define CORE_FXGE_DIB_CFX_IMAGERENDERER_H_
+
+#include <memory>
+
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxge/dib/cfx_dibitmap.h"
+#include "core/fxge/dib/cfx_dibsource.h"
+#include "core/fxge/fx_dib.h"
+#include "third_party/base/stl_util.h"
+
+class CFX_ImageTransformer;
+class CFX_ImageStretcher;
+
+class CFX_ImageRenderer {
+ public:
+ CFX_ImageRenderer();
+ ~CFX_ImageRenderer();
+
+ bool Start(const CFX_RetainPtr<CFX_DIBitmap>& pDevice,
+ const CFX_ClipRgn* pClipRgn,
+ const CFX_RetainPtr<CFX_DIBSource>& pSource,
+ int bitmap_alpha,
+ uint32_t mask_color,
+ const CFX_Matrix* pMatrix,
+ uint32_t dib_flags,
+ bool bRgbByteOrder = false,
+ int alpha_flag = 0,
+ void* pIccTransform = nullptr,
+ int blend_type = FXDIB_BLEND_NORMAL);
+
+ bool Continue(IFX_Pause* pPause);
+
+ private:
+ CFX_RetainPtr<CFX_DIBitmap> m_pDevice;
+ const CFX_ClipRgn* m_pClipRgn;
+ int m_BitmapAlpha;
+ uint32_t m_MaskColor;
+ CFX_Matrix m_Matrix;
+ std::unique_ptr<CFX_ImageTransformer> m_pTransformer;
+ std::unique_ptr<CFX_ImageStretcher> m_Stretcher;
+ CFX_BitmapComposer m_Composer;
+ int m_Status;
+ FX_RECT m_ClipBox;
+ uint32_t m_Flags;
+ int m_AlphaFlag;
+ void* m_pIccTransform;
+ bool m_bRgbByteOrder;
+ int m_BlendType;
+};
+
+#endif // CORE_FXGE_DIB_CFX_IMAGERENDERER_H_
diff --git a/core/fxge/dib/fx_dib_transform.cpp b/core/fxge/dib/cfx_imagetransformer.cpp
index 72de148ecb..7a519adebf 100644
--- a/core/fxge/dib/fx_dib_transform.cpp
+++ b/core/fxge/dib/cfx_imagetransformer.cpp
@@ -1,10 +1,10 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
+// Copyright 2017 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-#include "core/fxge/dib/dib_int.h"
+#include "core/fxge/dib/cfx_imagetransformer.h"
#include <memory>
#include <utility>
@@ -114,46 +114,6 @@ FXDIB_Format GetTransformedFormat(const CFX_RetainPtr<CFX_DIBSource>& pDrc) {
return format;
}
-} // namespace
-
-const int16_t SDP_Table[513] = {
- 256, 256, 256, 256, 256, 256, 256, 256, 256, 255, 255, 255, 255, 255, 255,
- 254, 254, 254, 254, 253, 253, 253, 252, 252, 252, 251, 251, 251, 250, 250,
- 249, 249, 249, 248, 248, 247, 247, 246, 246, 245, 244, 244, 243, 243, 242,
- 242, 241, 240, 240, 239, 238, 238, 237, 236, 236, 235, 234, 233, 233, 232,
- 231, 230, 230, 229, 228, 227, 226, 226, 225, 224, 223, 222, 221, 220, 219,
- 218, 218, 217, 216, 215, 214, 213, 212, 211, 210, 209, 208, 207, 206, 205,
- 204, 203, 202, 201, 200, 199, 198, 196, 195, 194, 193, 192, 191, 190, 189,
- 188, 186, 185, 184, 183, 182, 181, 179, 178, 177, 176, 175, 173, 172, 171,
- 170, 169, 167, 166, 165, 164, 162, 161, 160, 159, 157, 156, 155, 154, 152,
- 151, 150, 149, 147, 146, 145, 143, 142, 141, 140, 138, 137, 136, 134, 133,
- 132, 130, 129, 128, 126, 125, 124, 122, 121, 120, 119, 117, 116, 115, 113,
- 112, 111, 109, 108, 107, 105, 104, 103, 101, 100, 99, 97, 96, 95, 93,
- 92, 91, 89, 88, 87, 85, 84, 83, 81, 80, 79, 77, 76, 75, 73,
- 72, 71, 69, 68, 67, 66, 64, 63, 62, 60, 59, 58, 57, 55, 54,
- 53, 52, 50, 49, 48, 47, 45, 44, 43, 42, 40, 39, 38, 37, 36,
- 34, 33, 32, 31, 30, 28, 27, 26, 25, 24, 23, 21, 20, 19, 18,
- 17, 16, 15, 14, 13, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2,
- 1, 0, 0, -1, -2, -3, -4, -5, -6, -7, -7, -8, -9, -10, -11,
- -12, -12, -13, -14, -15, -15, -16, -17, -17, -18, -19, -19, -20, -21, -21,
- -22, -22, -23, -24, -24, -25, -25, -26, -26, -27, -27, -27, -28, -28, -29,
- -29, -30, -30, -30, -31, -31, -31, -32, -32, -32, -33, -33, -33, -33, -34,
- -34, -34, -34, -35, -35, -35, -35, -35, -36, -36, -36, -36, -36, -36, -36,
- -36, -36, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37,
- -37, -37, -37, -37, -37, -37, -37, -37, -36, -36, -36, -36, -36, -36, -36,
- -36, -36, -35, -35, -35, -35, -35, -35, -34, -34, -34, -34, -34, -33, -33,
- -33, -33, -33, -32, -32, -32, -32, -31, -31, -31, -31, -30, -30, -30, -30,
- -29, -29, -29, -29, -28, -28, -28, -27, -27, -27, -27, -26, -26, -26, -25,
- -25, -25, -24, -24, -24, -23, -23, -23, -22, -22, -22, -22, -21, -21, -21,
- -20, -20, -20, -19, -19, -19, -18, -18, -18, -17, -17, -17, -16, -16, -16,
- -15, -15, -15, -14, -14, -14, -13, -13, -13, -12, -12, -12, -11, -11, -11,
- -10, -10, -10, -9, -9, -9, -9, -8, -8, -8, -7, -7, -7, -7, -6,
- -6, -6, -6, -5, -5, -5, -5, -4, -4, -4, -4, -3, -3, -3, -3,
- -3, -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0,
-};
-
class CFX_BilinearMatrix : public CPDF_FixedMatrix {
public:
CFX_BilinearMatrix(const CFX_Matrix& src, int bits)
@@ -180,29 +140,8 @@ class CFX_BilinearMatrix : public CPDF_FixedMatrix {
};
#define FIX16_005 0.05f
-FX_RECT FXDIB_SwapClipBox(FX_RECT& clip,
- int width,
- int height,
- bool bFlipX,
- bool bFlipY) {
- FX_RECT rect;
- if (bFlipY) {
- rect.left = height - clip.top;
- rect.right = height - clip.bottom;
- } else {
- rect.left = clip.top;
- rect.right = clip.bottom;
- }
- if (bFlipX) {
- rect.top = width - clip.left;
- rect.bottom = width - clip.right;
- } else {
- rect.top = clip.left;
- rect.bottom = clip.right;
- }
- rect.Normalize();
- return rect;
-}
+
+} // namespace
CFX_ImageTransformer::CFX_ImageTransformer(
const CFX_RetainPtr<CFX_DIBSource>& pSrc,
diff --git a/core/fxge/dib/cfx_imagetransformer.h b/core/fxge/dib/cfx_imagetransformer.h
new file mode 100644
index 0000000000..0183a2fab1
--- /dev/null
+++ b/core/fxge/dib/cfx_imagetransformer.h
@@ -0,0 +1,47 @@
+// Copyright 2017 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
+
+#ifndef CORE_FXGE_DIB_CFX_IMAGETRANSFORMER_H_
+#define CORE_FXGE_DIB_CFX_IMAGETRANSFORMER_H_
+
+#include <memory>
+
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxge/dib/cfx_dibitmap.h"
+#include "core/fxge/dib/cfx_dibsource.h"
+#include "core/fxge/dib/dib_int.h"
+
+class CFX_ImageStretcher;
+
+class CFX_ImageTransformer {
+ public:
+ CFX_ImageTransformer(const CFX_RetainPtr<CFX_DIBSource>& pSrc,
+ const CFX_Matrix* pMatrix,
+ int flags,
+ const FX_RECT* pClip);
+ ~CFX_ImageTransformer();
+
+ bool Start();
+ bool Continue(IFX_Pause* pPause);
+
+ const FX_RECT& result() const { return m_result; }
+ CFX_RetainPtr<CFX_DIBitmap> DetachBitmap();
+
+ private:
+ const CFX_RetainPtr<CFX_DIBSource> m_pSrc;
+ const CFX_Matrix* const m_pMatrix;
+ const FX_RECT* const m_pClip;
+ FX_RECT m_StretchClip;
+ FX_RECT m_result;
+ CFX_Matrix m_dest2stretch;
+ std::unique_ptr<CFX_ImageStretcher> m_Stretcher;
+ CFX_BitmapStorer m_Storer;
+ const uint32_t m_Flags;
+ int m_Status;
+};
+
+#endif // CORE_FXGE_DIB_CFX_IMAGETRANSFORMER_H_
diff --git a/core/fxge/dib/fx_dib_main.cpp b/core/fxge/dib/fx_dib_main.cpp
index 0d9e79c27e..2ea3eeab3e 100644
--- a/core/fxge/dib/fx_dib_main.cpp
+++ b/core/fxge/dib/fx_dib_main.cpp
@@ -20,6 +20,68 @@
#include "core/fxge/ge/cfx_cliprgn.h"
#include "third_party/base/ptr_util.h"
+const int16_t SDP_Table[513] = {
+ 256, 256, 256, 256, 256, 256, 256, 256, 256, 255, 255, 255, 255, 255, 255,
+ 254, 254, 254, 254, 253, 253, 253, 252, 252, 252, 251, 251, 251, 250, 250,
+ 249, 249, 249, 248, 248, 247, 247, 246, 246, 245, 244, 244, 243, 243, 242,
+ 242, 241, 240, 240, 239, 238, 238, 237, 236, 236, 235, 234, 233, 233, 232,
+ 231, 230, 230, 229, 228, 227, 226, 226, 225, 224, 223, 222, 221, 220, 219,
+ 218, 218, 217, 216, 215, 214, 213, 212, 211, 210, 209, 208, 207, 206, 205,
+ 204, 203, 202, 201, 200, 199, 198, 196, 195, 194, 193, 192, 191, 190, 189,
+ 188, 186, 185, 184, 183, 182, 181, 179, 178, 177, 176, 175, 173, 172, 171,
+ 170, 169, 167, 166, 165, 164, 162, 161, 160, 159, 157, 156, 155, 154, 152,
+ 151, 150, 149, 147, 146, 145, 143, 142, 141, 140, 138, 137, 136, 134, 133,
+ 132, 130, 129, 128, 126, 125, 124, 122, 121, 120, 119, 117, 116, 115, 113,
+ 112, 111, 109, 108, 107, 105, 104, 103, 101, 100, 99, 97, 96, 95, 93,
+ 92, 91, 89, 88, 87, 85, 84, 83, 81, 80, 79, 77, 76, 75, 73,
+ 72, 71, 69, 68, 67, 66, 64, 63, 62, 60, 59, 58, 57, 55, 54,
+ 53, 52, 50, 49, 48, 47, 45, 44, 43, 42, 40, 39, 38, 37, 36,
+ 34, 33, 32, 31, 30, 28, 27, 26, 25, 24, 23, 21, 20, 19, 18,
+ 17, 16, 15, 14, 13, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2,
+ 1, 0, 0, -1, -2, -3, -4, -5, -6, -7, -7, -8, -9, -10, -11,
+ -12, -12, -13, -14, -15, -15, -16, -17, -17, -18, -19, -19, -20, -21, -21,
+ -22, -22, -23, -24, -24, -25, -25, -26, -26, -27, -27, -27, -28, -28, -29,
+ -29, -30, -30, -30, -31, -31, -31, -32, -32, -32, -33, -33, -33, -33, -34,
+ -34, -34, -34, -35, -35, -35, -35, -35, -36, -36, -36, -36, -36, -36, -36,
+ -36, -36, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37,
+ -37, -37, -37, -37, -37, -37, -37, -37, -36, -36, -36, -36, -36, -36, -36,
+ -36, -36, -35, -35, -35, -35, -35, -35, -34, -34, -34, -34, -34, -33, -33,
+ -33, -33, -33, -32, -32, -32, -32, -31, -31, -31, -31, -30, -30, -30, -30,
+ -29, -29, -29, -29, -28, -28, -28, -27, -27, -27, -27, -26, -26, -26, -25,
+ -25, -25, -24, -24, -24, -23, -23, -23, -22, -22, -22, -22, -21, -21, -21,
+ -20, -20, -20, -19, -19, -19, -18, -18, -18, -17, -17, -17, -16, -16, -16,
+ -15, -15, -15, -14, -14, -14, -13, -13, -13, -12, -12, -12, -11, -11, -11,
+ -10, -10, -10, -9, -9, -9, -9, -8, -8, -8, -7, -7, -7, -7, -6,
+ -6, -6, -6, -5, -5, -5, -5, -4, -4, -4, -4, -3, -3, -3, -3,
+ -3, -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0,
+};
+
+FX_RECT FXDIB_SwapClipBox(FX_RECT& clip,
+ int width,
+ int height,
+ bool bFlipX,
+ bool bFlipY) {
+ FX_RECT rect;
+ if (bFlipY) {
+ rect.left = height - clip.top;
+ rect.right = height - clip.bottom;
+ } else {
+ rect.left = clip.top;
+ rect.right = clip.bottom;
+ }
+ if (bFlipX) {
+ rect.top = width - clip.left;
+ rect.bottom = width - clip.right;
+ } else {
+ rect.top = clip.left;
+ rect.bottom = clip.right;
+ }
+ rect.Normalize();
+ return rect;
+}
+
void CmykDecode(uint32_t cmyk, int& c, int& m, int& y, int& k) {
c = FXSYS_GetCValue(cmyk);
m = FXSYS_GetMValue(cmyk);
@@ -1083,138 +1145,6 @@ CFX_DIBExtractor::CFX_DIBExtractor(const CFX_RetainPtr<CFX_DIBSource>& pSrc) {
CFX_DIBExtractor::~CFX_DIBExtractor() {}
-CFX_ImageRenderer::CFX_ImageRenderer() {
- m_Status = 0;
- m_pIccTransform = nullptr;
- m_bRgbByteOrder = false;
- m_BlendType = FXDIB_BLEND_NORMAL;
-}
-
-CFX_ImageRenderer::~CFX_ImageRenderer() {}
-
-bool CFX_ImageRenderer::Start(const CFX_RetainPtr<CFX_DIBitmap>& pDevice,
- const CFX_ClipRgn* pClipRgn,
- const CFX_RetainPtr<CFX_DIBSource>& pSource,
- int bitmap_alpha,
- uint32_t mask_color,
- const CFX_Matrix* pMatrix,
- uint32_t dib_flags,
- bool bRgbByteOrder,
- int alpha_flag,
- void* pIccTransform,
- int blend_type) {
- m_Matrix = *pMatrix;
- CFX_FloatRect image_rect_f = m_Matrix.GetUnitRect();
- FX_RECT image_rect = image_rect_f.GetOuterRect();
- m_ClipBox = pClipRgn ? pClipRgn->GetBox() : FX_RECT(0, 0, pDevice->GetWidth(),
- pDevice->GetHeight());
- m_ClipBox.Intersect(image_rect);
- if (m_ClipBox.IsEmpty())
- return false;
-
- m_pDevice = pDevice;
- m_pClipRgn = pClipRgn;
- m_MaskColor = mask_color;
- m_BitmapAlpha = bitmap_alpha;
- m_Matrix = *pMatrix;
- m_Flags = dib_flags;
- m_AlphaFlag = alpha_flag;
- m_pIccTransform = pIccTransform;
- m_bRgbByteOrder = bRgbByteOrder;
- m_BlendType = blend_type;
-
- if ((FXSYS_fabs(m_Matrix.b) >= 0.5f || m_Matrix.a == 0) ||
- (FXSYS_fabs(m_Matrix.c) >= 0.5f || m_Matrix.d == 0)) {
- if (FXSYS_fabs(m_Matrix.a) < FXSYS_fabs(m_Matrix.b) / 20 &&
- FXSYS_fabs(m_Matrix.d) < FXSYS_fabs(m_Matrix.c) / 20 &&
- FXSYS_fabs(m_Matrix.a) < 0.5f && FXSYS_fabs(m_Matrix.d) < 0.5f) {
- int dest_width = image_rect.Width();
- int dest_height = image_rect.Height();
- FX_RECT bitmap_clip = m_ClipBox;
- bitmap_clip.Offset(-image_rect.left, -image_rect.top);
- bitmap_clip = FXDIB_SwapClipBox(bitmap_clip, dest_width, dest_height,
- m_Matrix.c > 0, m_Matrix.b < 0);
- m_Composer.Compose(pDevice, pClipRgn, bitmap_alpha, mask_color, m_ClipBox,
- true, m_Matrix.c > 0, m_Matrix.b < 0, m_bRgbByteOrder,
- alpha_flag, pIccTransform, m_BlendType);
- m_Stretcher = pdfium::MakeUnique<CFX_ImageStretcher>(
- &m_Composer, pSource, dest_height, dest_width, bitmap_clip,
- dib_flags);
- if (!m_Stretcher->Start())
- return false;
-
- m_Status = 1;
- return true;
- }
- m_Status = 2;
- m_pTransformer.reset(
- new CFX_ImageTransformer(pSource, &m_Matrix, dib_flags, &m_ClipBox));
- m_pTransformer->Start();
- return true;
- }
-
- int dest_width = image_rect.Width();
- if (m_Matrix.a < 0)
- dest_width = -dest_width;
-
- int dest_height = image_rect.Height();
- if (m_Matrix.d > 0)
- dest_height = -dest_height;
-
- if (dest_width == 0 || dest_height == 0)
- return false;
-
- FX_RECT bitmap_clip = m_ClipBox;
- bitmap_clip.Offset(-image_rect.left, -image_rect.top);
- m_Composer.Compose(pDevice, pClipRgn, bitmap_alpha, mask_color, m_ClipBox,
- false, false, false, m_bRgbByteOrder, alpha_flag,
- pIccTransform, m_BlendType);
- m_Status = 1;
- m_Stretcher = pdfium::MakeUnique<CFX_ImageStretcher>(
- &m_Composer, pSource, dest_width, dest_height, bitmap_clip, dib_flags);
- return m_Stretcher->Start();
-}
-
-bool CFX_ImageRenderer::Continue(IFX_Pause* pPause) {
- if (m_Status == 1)
- return m_Stretcher->Continue(pPause);
-
- if (m_Status == 2) {
- if (m_pTransformer->Continue(pPause))
- return true;
-
- CFX_RetainPtr<CFX_DIBitmap> pBitmap = m_pTransformer->DetachBitmap();
- if (!pBitmap || !pBitmap->GetBuffer())
- return false;
-
- if (pBitmap->IsAlphaMask()) {
- if (m_BitmapAlpha != 255) {
- if (m_AlphaFlag >> 8) {
- m_AlphaFlag =
- (((uint8_t)((m_AlphaFlag & 0xff) * m_BitmapAlpha / 255)) |
- ((m_AlphaFlag >> 8) << 8));
- } else {
- m_MaskColor = FXARGB_MUL_ALPHA(m_MaskColor, m_BitmapAlpha);
- }
- }
- m_pDevice->CompositeMask(
- m_pTransformer->result().left, m_pTransformer->result().top,
- pBitmap->GetWidth(), pBitmap->GetHeight(), pBitmap, m_MaskColor, 0, 0,
- m_BlendType, m_pClipRgn, m_bRgbByteOrder, m_AlphaFlag,
- m_pIccTransform);
- } else {
- if (m_BitmapAlpha != 255)
- pBitmap->MultiplyAlpha(m_BitmapAlpha);
- m_pDevice->CompositeBitmap(
- m_pTransformer->result().left, m_pTransformer->result().top,
- pBitmap->GetWidth(), pBitmap->GetHeight(), pBitmap, 0, 0, m_BlendType,
- m_pClipRgn, m_bRgbByteOrder, m_pIccTransform);
- }
- return false;
- }
- return false;
-}
-
CFX_BitmapStorer::CFX_BitmapStorer() {
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 05:56:43 +0000