diff options
Diffstat (limited to 'osframework/source/SexyAppFramework/BltRotatedHelper.inc')
| -rw-r--r-- | osframework/source/SexyAppFramework/BltRotatedHelper.inc | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/osframework/source/SexyAppFramework/BltRotatedHelper.inc b/osframework/source/SexyAppFramework/BltRotatedHelper.inc new file mode 100644 index 0000000..a8e329f --- /dev/null +++ b/osframework/source/SexyAppFramework/BltRotatedHelper.inc @@ -0,0 +1,259 @@ +#define EACH_ROW\
+ for (int y = 0; y < aDestRect.mHeight; y++, aDestPixelsRow += aDestPixelsPitch)\
+ {\
+ float aBaseX = ((int)aDestRect.mX) + 0 - theRotCenterX - theX;\
+ float aBaseY = ((int)aDestRect.mY) + y - theRotCenterY - theY;\
+ \
+ int aU = (int) ((aCos*(aBaseX) - aSin*(aBaseY) + theRotCenterX) * 0x10000);\
+ int aV = (int) ((aCos*(aBaseY) + aSin*(aBaseX) + theRotCenterY) * 0x10000);\
+ \
+ DEST_PIXEL_TYPE* aDestPixels = aDestPixelsRow;\
+ \
+ int aLeft = 0;\
+ int aRight = aDestRect.mWidth - 1;\
+ \
+ int aUInt = (aU >> 16);\
+ int aVInt = (aV >> 16);\
+ \
+ if (aCosLong <= -0x0001)\
+ {\
+ if (aUInt<0)\
+ continue;\
+ \
+ int anEdgeLeft = ((theSrcRect.mWidth << 16) - 0x27FFF - aU) / aCosLong;\
+ if (anEdgeLeft >= aLeft)\
+ aLeft = anEdgeLeft;\
+\
+ int anEdgeRight = (0x07FFF - aU) / aCosLong;\
+ if (anEdgeRight < aRight)\
+ aRight = anEdgeRight;\
+ }\
+ else if (aCosLong >= 0x0001)\
+ {\
+ if (aUInt >= theSrcRect.mWidth-1)\
+ continue;\
+ \
+ int anEdgeLeft = (0x10000 - aU) / aCosLong;\
+ if (anEdgeLeft > aLeft)\
+ aLeft = anEdgeLeft;\
+\
+ int anEdgeRight = ((theSrcRect.mWidth << 16) - 0x17FFF - aU) / aCosLong;\
+ if (anEdgeRight < aRight)\
+ aRight = anEdgeRight;\
+ }\
+ else if ((aU < 0) || (aU >= (theSrcRect.mWidth - 1) << 16))\
+ continue;\
+\
+ if (aSinLong <= -0x0001)\
+ {\
+ if (aVInt<0)\
+ continue;\
+ \
+ int anEdgeLeft = ((theSrcRect.mHeight << 16) - 0x27FFF - aV) / aSinLong;\
+ if (anEdgeLeft > aLeft)\
+ aLeft = anEdgeLeft;\
+\
+ int anEdgeRight = (0x0000 - aV) / aSinLong;\
+ if (anEdgeRight < aRight)\
+ aRight = anEdgeRight;\
+ }\
+ else if (aSinLong >= 0x0001)\
+ {\
+ if (aVInt >= theSrcRect.mHeight-1)\
+ continue;\
+ \
+ int anEdgeLeft = (0x10000 - aV) / aSinLong;\
+ if (anEdgeLeft > aLeft)\
+ aLeft = anEdgeLeft;\
+\
+ int anEdgeRight = ((theSrcRect.mHeight << 16) - 0x17FFF - aV) / aSinLong;\
+ if (anEdgeRight < aRight)\
+ aRight = anEdgeRight;\
+ }\
+ else if ((aV < 0) || (aV >= (theSrcRect.mHeight - 1) << 16))\
+ continue;\
+\
+ aU += aLeft * aCosLong;\
+ aV += aLeft * aSinLong;\
+ aDestPixels += aLeft;\
+\
+ int aWidth = theImage->mWidth;
+#define END_ROW }
+
+{
+#if defined(OPTIMIZE_SOFTWARE_DRAWING) && defined(WRITE_PIXEL_OPTIMIZED)
+ if (gOptimizeSoftwareDrawing)
+ {
+ if (aNumBits == 16)
+ {
+#ifdef WRITE_PIXEL_OPTIMIZED_565
+ if (aGMask == 0x7E0) // 5-6-5
+ {
+ EACH_ROW
+ for (int x = aLeft; x <= aRight; x++)
+ {
+ int aUInt = (aU >> 16);
+ int aVInt = (aV >> 16);
+
+ SRC_TYPE* srcptr = aSrcBits +
+ (aVInt * aWidth) + aUInt;
+
+ int aUFactor = (aU & 0xFFFE) + 1; // aUFactor needs to be between 1 and 0xFFFF to avoid overflow
+ int aVFactor = (aV & 0xFFFE) + 1; // ditto for aVFactor
+
+ ulong src1 = READ_COLOR(srcptr);
+ ulong src2 = READ_COLOR(srcptr+1);
+ ulong src3 = READ_COLOR(srcptr+theImage->mWidth);
+ ulong src4 = READ_COLOR(srcptr+1+theImage->mWidth);
+
+ int a1 = ((src1 >> 24) * ((ulong) ((0x10000 - aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
+ int a2 = ((src2 >> 24) * ((ulong) (( aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
+ int a3 = ((src3 >> 24) * ((ulong) ((0x10000 - aUFactor) * ( aVFactor)) >> 16)) >> 16;
+ int a4 = ((src4 >> 24) * ((ulong) (( aUFactor) * ( aVFactor)) >> 16)) >> 16;
+
+ WRITE_PIXEL_OPTIMIZED_565;
+
+ aU += aCosLong;
+ aV += aSinLong;
+ }
+ END_ROW
+ }
+#endif
+#ifdef WRITE_PIXEL_OPTIMIZED_555
+#ifdef WRITE_PIXEL_OPTIMIZED_565
+ else
+#endif
+ if (aGMask == 0x3E0) // 5-5-5
+ {
+ EACH_ROW
+ for (int x = aLeft; x <= aRight; x++)
+ {
+ int aUInt = (aU >> 16);
+ int aVInt = (aV >> 16);
+
+ SRC_TYPE* srcptr = aSrcBits +
+ (aVInt * aWidth) + aUInt;
+
+ int aUFactor = (aU & 0xFFFE) + 1; // aUFactor needs to be between 1 and 0xFFFF to avoid overflow
+ int aVFactor = (aV & 0xFFFE) + 1; // ditto for aVFactor
+
+ ulong src1 = READ_COLOR(srcptr);
+ ulong src2 = READ_COLOR(srcptr+1);
+ ulong src3 = READ_COLOR(srcptr+theImage->mWidth);
+ ulong src4 = READ_COLOR(srcptr+1+theImage->mWidth);
+
+ int a1 = ((src1 >> 24) * ((ulong) ((0x10000 - aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
+ int a2 = ((src2 >> 24) * ((ulong) (( aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
+ int a3 = ((src3 >> 24) * ((ulong) ((0x10000 - aUFactor) * ( aVFactor)) >> 16)) >> 16;
+ int a4 = ((src4 >> 24) * ((ulong) (( aUFactor) * ( aVFactor)) >> 16)) >> 16;
+
+ WRITE_PIXEL_OPTIMIZED_555;
+
+ aU += aCosLong;
+ aV += aSinLong;
+ }
+ END_ROW
+ }
+#endif
+#if defined(WRITE_PIXEL_OPTIMIZED_555) || defined(WRITE_PIXEL_OPTIMIZED_565)
+ else
+#endif
+ {
+ EACH_ROW
+ for (int x = aLeft; x <= aRight; x++)
+ {
+ int aUInt = (aU >> 16);
+ int aVInt = (aV >> 16);
+
+ SRC_TYPE* srcptr = aSrcBits +
+ (aVInt * aWidth) + aUInt;
+
+ int aUFactor = (aU & 0xFFFE) + 1; // aUFactor needs to be between 1 and 0xFFFF to avoid overflow
+ int aVFactor = (aV & 0xFFFE) + 1; // ditto for aVFactor
+
+ ulong src1 = READ_COLOR(srcptr);
+ ulong src2 = READ_COLOR(srcptr+1);
+ ulong src3 = READ_COLOR(srcptr+theImage->mWidth);
+ ulong src4 = READ_COLOR(srcptr+1+theImage->mWidth);
+
+ int a1 = ((src1 >> 24) * ((ulong) ((0x10000 - aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
+ int a2 = ((src2 >> 24) * ((ulong) (( aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
+ int a3 = ((src3 >> 24) * ((ulong) ((0x10000 - aUFactor) * ( aVFactor)) >> 16)) >> 16;
+ int a4 = ((src4 >> 24) * ((ulong) (( aUFactor) * ( aVFactor)) >> 16)) >> 16;
+
+ WRITE_PIXEL;
+
+ aU += aCosLong;
+ aV += aSinLong;
+ }
+ END_ROW
+ }
+ }
+ else if (aNumBits == 32)
+ {
+ EACH_ROW
+ for (int x = aLeft; x <= aRight; x++)
+ {
+ int aUInt = (aU >> 16);
+ int aVInt = (aV >> 16);
+
+ SRC_TYPE* srcptr = aSrcBits +
+ (aVInt * aWidth) + aUInt;
+
+ int aUFactor = (aU & 0xFFFE) + 1; // aUFactor needs to be between 1 and 0xFFFF to avoid overflow
+ int aVFactor = (aV & 0xFFFE) + 1; // ditto for aVFactor
+
+ ulong src1 = READ_COLOR(srcptr);
+ ulong src2 = READ_COLOR(srcptr+1);
+ ulong src3 = READ_COLOR(srcptr+theImage->mWidth);
+ ulong src4 = READ_COLOR(srcptr+1+theImage->mWidth);
+
+ int a1 = ((src1 >> 24) * ((ulong) ((0x10000 - aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
+ int a2 = ((src2 >> 24) * ((ulong) (( aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
+ int a3 = ((src3 >> 24) * ((ulong) ((0x10000 - aUFactor) * ( aVFactor)) >> 16)) >> 16;
+ int a4 = ((src4 >> 24) * ((ulong) (( aUFactor) * ( aVFactor)) >> 16)) >> 16;
+
+ WRITE_PIXEL_OPTIMIZED;
+
+ aU += aCosLong;
+ aV += aSinLong;
+ }
+ END_ROW
+ }
+ }
+ else
+ {
+#endif
+ EACH_ROW
+ for (int x = aLeft; x <= aRight; x++)
+ {
+ int aUInt = (aU >> 16);
+ int aVInt = (aV >> 16);
+
+ SRC_TYPE* srcptr = aSrcBits +
+ (aVInt * aWidth) + aUInt;
+
+ int aUFactor = (aU & 0xFFFE) + 1; // aUFactor needs to be between 1 and 0xFFFF to avoid overflow
+ int aVFactor = (aV & 0xFFFE) + 1; // ditto for aVFactor
+
+ ulong src1 = READ_COLOR(srcptr);
+ ulong src2 = READ_COLOR(srcptr+1);
+ ulong src3 = READ_COLOR(srcptr+theImage->mWidth);
+ ulong src4 = READ_COLOR(srcptr+1+theImage->mWidth);
+
+ int a1 = ((src1 >> 24) * ((ulong) ((0x10000 - aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
+ int a2 = ((src2 >> 24) * ((ulong) (( aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
+ int a3 = ((src3 >> 24) * ((ulong) ((0x10000 - aUFactor) * ( aVFactor)) >> 16)) >> 16;
+ int a4 = ((src4 >> 24) * ((ulong) (( aUFactor) * ( aVFactor)) >> 16)) >> 16;
+
+ WRITE_PIXEL;
+
+
+ aU += aCosLong;
+ aV += aSinLong;
+ }
+ END_ROW
+#if defined(OPTIMIZE_SOFTWARE_DRAWING) && defined(WRITE_PIXEL_OPTIMIZED)
+ }
+#endif
+}
\ No newline at end of file |