use SkPixmap inside sprite blitters

src/core/SkSpriteBlitter_RGB16.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkSpriteBlitter.h"
@@ skipping 38 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 
 class Sprite_D16_S16_Opaque : public SkSpriteBlitter {
 public:
     Sprite_D16_S16_Opaque(const SkBitmap& source)
         : SkSpriteBlitter(source) {}
 
     // overrides
     void blitRect(int x, int y, int width, int height) override {
         uint16_t* SK_RESTRICT dst = fDevice->getAddr16(x, y);
-        const uint16_t* SK_RESTRICT src = fSource->getAddr16(x - fLeft,
-                                                             y - fTop);
+        const uint16_t* SK_RESTRICT src = fSource->addr16(x - fLeft, y - fTop);
         size_t dstRB = fDevice->rowBytes();
         size_t srcRB = fSource->rowBytes();
 
         while (--height >= 0) {
             memcpy(dst, src, width << 1);
             dst = (uint16_t*)((char*)dst + dstRB);
             src = (const uint16_t*)((const char*)src + srcRB);
         }
     }
 };
 
 #define D16_S16_Blend_Pixel(dst, sc, scale)     \
     do {                                        \
         uint16_t dc = *dst;                     \
         *dst = SkBlendRGB16(sc, dc, scale);     \
     } while (0)
 
 #define SkSPRITE_CLASSNAME                  Sprite_D16_S16_Blend
 #define SkSPRITE_ARGS                       , uint8_t alpha
 #define SkSPRITE_FIELDS                     uint8_t  fSrcAlpha;
 #define SkSPRITE_INIT                       fSrcAlpha = alpha;
 #define SkSPRITE_DST_TYPE                   uint16_t
 #define SkSPRITE_SRC_TYPE                   uint16_t
 #define SkSPRITE_DST_GETADDR                getAddr16
-#define SkSPRITE_SRC_GETADDR                getAddr16
+#define SkSPRITE_SRC_GETADDR                addr16
 #define SkSPRITE_PREAMBLE(srcBM, x, y)      int scale = SkAlpha255To256(fSrcAlpha);
 #define SkSPRITE_BLIT_PIXEL(dst, src)       D16_S16_Blend_Pixel(dst, src, scale)
 #define SkSPRITE_NEXT_ROW
 #define SkSPRITE_POSTAMBLE(srcBM)
 #include "SkSpriteBlitterTemplate.h"
 
 ///////////////////////////////////////////////////////////////////////////////
 
 #define D16_S4444_Opaque(dst, sc)           \
     do {                                    \
         uint16_t dc = *dst;                 \
         *dst = SkSrcOver4444To16(sc, dc);   \
     } while (0)
 
 #define SkSPRITE_CLASSNAME                  Sprite_D16_S4444_Opaque
 #define SkSPRITE_ARGS
 #define SkSPRITE_FIELDS
 #define SkSPRITE_INIT
 #define SkSPRITE_DST_TYPE                   uint16_t
 #define SkSPRITE_SRC_TYPE                   SkPMColor16
 #define SkSPRITE_DST_GETADDR                getAddr16
-#define SkSPRITE_SRC_GETADDR                getAddr16
+#define SkSPRITE_SRC_GETADDR                addr16
 #define SkSPRITE_PREAMBLE(srcBM, x, y)
 #define SkSPRITE_BLIT_PIXEL(dst, src)       D16_S4444_Opaque(dst, src)
 #define SkSPRITE_NEXT_ROW
 #define SkSPRITE_POSTAMBLE(srcBM)
 #include "SkSpriteBlitterTemplate.h"
 
 #define D16_S4444_Blend(dst, sc, scale16)           \
     do {                                            \
         uint16_t dc = *dst;                         \
         *dst = SkBlend4444To16(sc, dc, scale16);    \
     } while (0)
 
 
 #define SkSPRITE_CLASSNAME                  Sprite_D16_S4444_Blend
 #define SkSPRITE_ARGS                       , uint8_t alpha
 #define SkSPRITE_FIELDS                     uint8_t  fSrcAlpha;
 #define SkSPRITE_INIT                       fSrcAlpha = alpha;
 #define SkSPRITE_DST_TYPE                   uint16_t
 #define SkSPRITE_SRC_TYPE                   uint16_t
 #define SkSPRITE_DST_GETADDR                getAddr16
-#define SkSPRITE_SRC_GETADDR                getAddr16
+#define SkSPRITE_SRC_GETADDR                addr16
 #define SkSPRITE_PREAMBLE(srcBM, x, y)      int scale = SkAlpha15To16(fSrcAlpha);
 #define SkSPRITE_BLIT_PIXEL(dst, src)       D16_S4444_Blend(dst, src, scale)
 #define SkSPRITE_NEXT_ROW
 #define SkSPRITE_POSTAMBLE(srcBM)
 #include "SkSpriteBlitterTemplate.h"
 
 ///////////////////////////////////////////////////////////////////////////////
 
 #define SkSPRITE_CLASSNAME                  Sprite_D16_SIndex8A_Opaque
 #define SkSPRITE_ARGS
 #define SkSPRITE_FIELDS
 #define SkSPRITE_INIT
 #define SkSPRITE_DST_TYPE                   uint16_t
 #define SkSPRITE_SRC_TYPE                   uint8_t
 #define SkSPRITE_DST_GETADDR                getAddr16
-#define SkSPRITE_SRC_GETADDR                getAddr8
-#define SkSPRITE_PREAMBLE(srcBM, x, y)      const SkPMColor* ctable = srcBM.getColorTable()->readColors()
+#define SkSPRITE_SRC_GETADDR                addr8
+#define SkSPRITE_PREAMBLE(srcBM, x, y)      const SkPMColor* ctable = srcBM.ctable()->readColors()
 #define SkSPRITE_BLIT_PIXEL(dst, src)       D16_S32A_Opaque_Pixel(dst, ctable[src])
 #define SkSPRITE_NEXT_ROW
 #define SkSPRITE_POSTAMBLE(srcBM)
 #include "SkSpriteBlitterTemplate.h"
 
 #define SkSPRITE_CLASSNAME                  Sprite_D16_SIndex8A_Blend
 #define SkSPRITE_ARGS                       , uint8_t alpha
 #define SkSPRITE_FIELDS                     uint8_t fSrcAlpha;
 #define SkSPRITE_INIT                       fSrcAlpha = alpha;
 #define SkSPRITE_DST_TYPE                   uint16_t
 #define SkSPRITE_SRC_TYPE                   uint8_t
 #define SkSPRITE_DST_GETADDR                getAddr16
-#define SkSPRITE_SRC_GETADDR                getAddr8
-#define SkSPRITE_PREAMBLE(srcBM, x, y)      const SkPMColor* ctable = srcBM.getColorTable()->readColors(); unsigned src_scale = SkAlpha255To256(fSrcAlpha);
+#define SkSPRITE_SRC_GETADDR                addr8
+#define SkSPRITE_PREAMBLE(srcBM, x, y)      const SkPMColor* ctable = srcBM.ctable()->readColors(); unsigned src_scale = SkAlpha255To256(fSrcAlpha);
 #define SkSPRITE_BLIT_PIXEL(dst, src)       D16_S32A_Blend_Pixel(dst, ctable[src], src_scale)
 #define SkSPRITE_NEXT_ROW
 #define SkSPRITE_POSTAMBLE(srcBM)
 #include "SkSpriteBlitterTemplate.h"
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static intptr_t asint(const void* ptr) {
     return reinterpret_cast<const char*>(ptr) - (const char*)0;
 }
@@ skipping 56 matching lines @@
 
 #define SkSPRITE_ROW_PROC(d, s, n, x, y)    blitrow_d16_si8(d, s, n, ctable)
 
 #define SkSPRITE_CLASSNAME                  Sprite_D16_SIndex8_Opaque
 #define SkSPRITE_ARGS
 #define SkSPRITE_FIELDS
 #define SkSPRITE_INIT
 #define SkSPRITE_DST_TYPE                   uint16_t
 #define SkSPRITE_SRC_TYPE                   uint8_t
 #define SkSPRITE_DST_GETADDR                getAddr16
-#define SkSPRITE_SRC_GETADDR                getAddr8
-#define SkSPRITE_PREAMBLE(srcBM, x, y)      const uint16_t* ctable = srcBM.getColorTable()->read16BitCache()
+#define SkSPRITE_SRC_GETADDR                addr8
+#define SkSPRITE_PREAMBLE(srcBM, x, y)      const uint16_t* ctable = srcBM.ctable()->read16BitCache()
 #define SkSPRITE_BLIT_PIXEL(dst, src)       *dst = ctable[src]
 #define SkSPRITE_NEXT_ROW
 #define SkSPRITE_POSTAMBLE(srcBM)
 #include "SkSpriteBlitterTemplate.h"
 
 #define SkSPRITE_CLASSNAME                  Sprite_D16_SIndex8_Blend
 #define SkSPRITE_ARGS                       , uint8_t alpha
 #define SkSPRITE_FIELDS                     uint8_t fSrcAlpha;
 #define SkSPRITE_INIT                       fSrcAlpha = alpha;
 #define SkSPRITE_DST_TYPE                   uint16_t
 #define SkSPRITE_SRC_TYPE                   uint8_t
 #define SkSPRITE_DST_GETADDR                getAddr16
-#define SkSPRITE_SRC_GETADDR                getAddr8
-#define SkSPRITE_PREAMBLE(srcBM, x, y)      const uint16_t* ctable = srcBM.getColorTable()->read16BitCache(); unsigned src_scale = SkAlpha255To256(fSrcAlpha);
+#define SkSPRITE_SRC_GETADDR                addr8
+#define SkSPRITE_PREAMBLE(srcBM, x, y)      const uint16_t* ctable = srcBM.ctable()->read16BitCache(); unsigned src_scale = SkAlpha255To256(fSrcAlpha);
 #define SkSPRITE_BLIT_PIXEL(dst, src)       D16_S16_Blend_Pixel(dst, ctable[src], src_scale)
 #define SkSPRITE_NEXT_ROW
 #define SkSPRITE_POSTAMBLE(srcBM)
 #include "SkSpriteBlitterTemplate.h"
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class Sprite_D16_S32_BlitRowProc : public SkSpriteBlitter {
 public:
     Sprite_D16_S32_BlitRowProc(const SkBitmap& source)
         : SkSpriteBlitter(source) {}
 
-    // overrides
-
-    virtual void setup(const SkBitmap& device, int left, int top,
+    bool setup(const SkBitmap& device, int left, int top,
                        const SkPaint& paint) override {
-        this->INHERITED::setup(device, left, top, paint);
+        if (!this->INHERITED::setup(device, left, top, paint)) {
+            return false;
+        }
 
         unsigned flags = 0;
 
         if (paint.getAlpha() < 0xFF) {
             flags |= SkBlitRow::kGlobalAlpha_Flag;
         }
         if (!fSource->isOpaque()) {
             flags |= SkBlitRow::kSrcPixelAlpha_Flag;
         }
         if (paint.isDither()) {
             flags |= SkBlitRow::kDither_Flag;
         }
         fProc = SkBlitRow::Factory16(flags);
+        return true;
     }
 
     void blitRect(int x, int y, int width, int height) override {
         uint16_t* SK_RESTRICT dst = fDevice->getAddr16(x, y);
-        const SkPMColor* SK_RESTRICT src = fSource->getAddr32(x - fLeft,
-                                                              y - fTop);
+        const SkPMColor* SK_RESTRICT src = fSource->addr32(x - fLeft, y - fTop);
         size_t dstRB = fDevice->rowBytes();
         size_t srcRB = fSource->rowBytes();
         SkBlitRow::Proc16 proc = fProc;
         U8CPU alpha = fPaint->getAlpha();
 
         while (--height >= 0) {
             proc(dst, src, width, alpha, x, y);
             y += 1;
             dst = (uint16_t* SK_RESTRICT)((char*)dst + dstRB);
             src = (const SkPMColor* SK_RESTRICT)((const char*)src + srcRB);
@@ skipping 73 matching lines @@
                 } else {
                     blitter = allocator->createT<Sprite_D16_SIndex8A_Blend>(source, alpha);
                 }
             }
             break;
         default:
             break;
     }
     return blitter;
 }