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-rw-r--r--scumm/gfx.cpp467
1 files changed, 1 insertions, 466 deletions
diff --git a/scumm/gfx.cpp b/scumm/gfx.cpp
index a98f4cf13e..96405490e5 100644
--- a/scumm/gfx.cpp
+++ b/scumm/gfx.cpp
@@ -1437,7 +1437,7 @@ void Gdi::drawBMAPObject(const byte *ptr, VirtScreen *vs, int obj, int x, int y,
if (code == 8 || code == 9) {
Common::Rect rScreen(0, 0, vs->w, vs->h);
byte *dst = (byte *)_vm->virtscr[0].backBuf + scrX;
- copyWizImage(dst, bmap_ptr, vs->w, vs->h, x - scrX, y, w, h, &rScreen);
+ _vm->_wiz.copyWizImage(dst, bmap_ptr, vs->w, vs->h, x - scrX, y, w, h, &rScreen);
}
Common::Rect rect1(x, y, x + w, y + h);
@@ -1453,471 +1453,6 @@ void Gdi::drawBMAPObject(const byte *ptr, VirtScreen *vs, int obj, int x, int y,
}
}
-static bool calcClipRects(int dst_w, int dst_h, int src_x, int src_y, int src_w, int src_h, const Common::Rect *rect, Common::Rect &srcRect, Common::Rect &dstRect) {
- Common::Rect r3;
- if (rect) {
- r3 = *rect;
- Common::Rect r4(dst_w, dst_h);
- if (r3.intersects(r4)) {
- r3.clip(r4);
- } else {
- return false;
- }
- } else {
- r3 = Common::Rect(dst_w, dst_h);
- }
- dstRect = Common::Rect(src_x, src_y, src_x + src_w, src_y + src_h);
- dstRect.clip(r3);
- srcRect = dstRect;
- srcRect.moveTo(0, 0);
- return srcRect.isValidRect() && dstRect.isValidRect();
-}
-
-void Gdi::copyWizImage(uint8 *dst, const uint8 *src, int dstw, int dsth, int srcx, int srcy, int srcw, int srch, const Common::Rect *rect) {
- Common::Rect r1, r2;
- if (calcClipRects(dstw, dsth, srcx, srcy, srcw, srch, rect, r1, r2)) {
- for (int i = 0; i < 256; i++)
- _wizImagePalette[i] = i;
- dst += r2.left + r2.top * dstw;
- decompressWizImage(dst, dstw, r2, src, r1);
- }
-}
-
-void Gdi::copyRawWizImage(uint8 *dst, const uint8 *src, int dstw, int dsth, int srcx, int srcy, int srcw, int srch, const Common::Rect *rect, int flags, const uint8 *palPtr, int transColor) {
- Common::Rect r1, r2;
- if (calcClipRects(dstw, dsth, srcx, srcy, srcw, srch, rect, r1, r2)) {
- if (flags & 0x400) {
- int l = r1.left;
- int r = r1.right;
- r1.left = srcw - r;
- r1.right = srcw - l;
- }
- if (flags & 0x800) {
- int t = r1.top;
- int b = r1.bottom;
- r1.top = srch - b;
- r1.bottom = srch - t;
- }
- if (!palPtr) {
- for (int i = 0; i < 256; i++) {
- _wizImagePalette[i] = i;
- }
- palPtr = _wizImagePalette;
- }
- int h = r1.height();
- int w = r1.width();
- dst += r2.left + r2.top * dstw;
- while (h--) {
- for (int i = 0; i < w; ++i) {
- uint8 col = *src++;
- if (transColor == -1 || transColor != col) {
- dst[i] = palPtr[col];
- }
- }
- dst += dstw;
- }
- }
-}
-
-void Gdi::decompressWizImage(uint8 *dst, int dstPitch, const Common::Rect &dstRect, const uint8 *src, const Common::Rect &srcRect) {
- const uint8 *dataPtr, *dataPtrNext;
- uint8 *dstPtr, *dstPtrNext;
- uint32 code;
- uint8 databit;
- int h, w, xoff;
- uint16 off;
- int color;
-
- dstPtr = dst;
- dataPtr = src;
-
- // Skip over the first 'srcRect->top' lines in the data
- h = srcRect.top;
- while (h--) {
- dataPtr += READ_LE_UINT16(dataPtr) + 2;
- }
- h = srcRect.height();
- if (h <= 0)
- return;
- w = srcRect.width();
- if (w <= 0)
- return;
-
- while (h--) {
- xoff = srcRect.left;
- off = READ_LE_UINT16(dataPtr);
- w = srcRect.right - srcRect.left;
- dstPtrNext = dstPitch + dstPtr;
- dataPtrNext = off + 2 + dataPtr;
- dataPtr += 2;
- if (off == 0)
- goto dec_next;
-
- // Skip over the leftmost 'srcRect->left' pixels.
- // TODO: This code could be merged (at a loss of efficency) with the
- // loop below which does the actual drawing.
- while (xoff > 0) {
- code = *dataPtr++;
- databit = code & 1;
- code >>= 1;
- if (databit) {
- xoff -= code;
- if (xoff < 0) {
- code = -xoff;
- goto dec_sub1;
- }
- } else {
- databit = code & 1;
- code = (code >> 1) + 1;
- if (databit) {
- ++dataPtr;
- xoff -= code;
- if (xoff < 0) {
- code = -xoff;
- --dataPtr;
- goto dec_sub2;
- }
- } else {
- dataPtr += code;
- xoff -= code;
- if (xoff < 0) {
- dataPtr += xoff;
- code = -xoff;
- goto dec_sub3;
- }
- }
- }
- }
-
- while (w > 0) {
- code = *dataPtr++;
- databit = code & 1;
- code >>= 1;
- if (databit) {
-dec_sub1: dstPtr += code;
- w -= code;
- } else {
- databit = code & 1;
- code = (code >> 1) + 1;
- if (databit) {
-dec_sub2: w -= code;
- if (w < 0) {
- code += w;
- }
- color = _wizImagePalette[*dataPtr++];
- memset(dstPtr, color, code);
- dstPtr += code;
- } else {
-dec_sub3: w -= code;
- if (w < 0) {
- code += w;
- }
- while (code--) {
- color = _wizImagePalette[*dataPtr++];
- *dstPtr++ = color;
- }
- }
- }
- }
-dec_next:
- dataPtr = dataPtrNext;
- dstPtr = dstPtrNext;
- }
-}
-
-int Gdi::isWizPixelNonTransparent(const uint8 *data, int x, int y, int w, int h) {
- int ret = 0;
- while (y != 0) {
- data += READ_LE_UINT16(data) + 2;
- --y;
- }
- uint16 off = READ_LE_UINT16(data); data += 2;
- if (off != 0) {
- if (x == 0) {
- ret = (~*data) & 1;
- } else {
- do {
- uint8 code = *data++;
- if (code & 1) {
- code >>= 1;
- if (code > x) {
- ret = 0;
- break;
- }
- x -= code;
- } else if (code & 2) {
- code = (code >> 2) + 1;
- if (code > x) {
- ret = 1;
- break;
- }
- x -= code;
- ++data;
- } else {
- code = (code >> 2) + 1;
- if (code > x) {
- ret = 1;
- break;
- }
- x -= code;
- data += code;
- }
- } while (x > 0);
- }
- }
- return ret;
-}
-
-uint8 Gdi::getRawWizPixelColor(const uint8 *data, int x, int y, int w, int h, uint8 color) {
- uint8 c;
- if (x >= 0 && x < w && y >= 0 && y < h) {
- c = *(data + y * w + x);
- } else {
- c = color;
- }
- return c;
-}
-
-uint8 Gdi::getWizPixelColor(const uint8 *data, int x, int y, int w, int h, uint8 color) {
- uint8 c = color;
- if (x >= 0 && x < w && y >= 0 && y < h) {
- while (y != 0) {
- data += READ_LE_UINT16(data) + 2;
- --y;
- }
- uint16 off = READ_LE_UINT16(data); data += 2;
- if (off != 0) {
- if (x == 0) {
- c = (*data & 1) ? color : *data;
- } else {
- do {
- uint8 code = *data++;
- if (code & 1) {
- code >>= 1;
- if (code > x) {
- c = color;
- break;
- }
- x -= code;
- } else if (code & 2) {
- code = (code >> 2) + 1;
- if (code > x) {
- c = *data;
- break;
- }
- x -= code;
- ++data;
- } else {
- code = (code >> 2) + 1;
- if (code > x) {
- c = *(data + x);
- break;
- }
- x -= code;
- data += code;
- }
- } while (x > 0);
- }
- }
- }
- return c;
-}
-
-void Gdi::computeWizHistogram(uint32 *histogram, const uint8 *data, const Common::Rect *srcRect) {
- int y = srcRect->top;
- while (y != 0) {
- data += READ_LE_UINT16(data) + 2;
- --y;
- }
- int ih = srcRect->height();
- while (ih--) {
- uint16 off = READ_LE_UINT16(data); data += 2;
- if (off != 0) {
- const uint8 *p = data;
- int x1 = srcRect->left;
- int x2 = srcRect->right;
- uint8 code;
- while (x1 > 0) {
- code = *p++;
- if (code & 1) {
- code >>= 1;
- if (code > x1) {
- code -= x1;
- x2 -= code;
- break;
- }
- x1 -= code;
- } else if (code & 2) {
- code = (code >> 2) + 1;
- if (code > x1) {
- code -= x1;
- goto dec_sub2;
- }
- x1 -= code;
- ++p;
- } else {
- code = (code >> 2) + 1;
- if (code > x1) {
- code -= x1;
- p += x1;
- goto dec_sub3;
- }
- x1 -= code;
- p += code;
- }
- }
- while (x2 > 0) {
- code = *p++;
- if (code & 1) {
- code >>= 1;
- x2 -= code;
- } else if (code & 2) {
- code = (code >> 2) + 1;
-dec_sub2: x2 -= code;
- if (x2 < 0) {
- code += x2;
- }
- histogram[*p++] += code;
- } else {
- code = (code >> 2) + 1;
-dec_sub3: x2 -= code;
- if (x2 < 0) {
- code += x2;
- }
- int n = code;
- while (n--) {
- ++histogram[*p++];
- }
- }
- }
- data += off;
- }
- }
-}
-
-void Gdi::computeRawWizHistogram(uint32 *histogram, const uint8 *data, int srcPitch, const Common::Rect *srcRect) {
- data += srcRect->top * srcPitch + srcRect->left;
- int iw = srcRect->width();
- int ih = srcRect->height();
- while (ih--) {
- for (int i = 0; i < iw; ++i) {
- ++histogram[data[i]];
- }
- data += srcPitch;
- }
-}
-
-void Gdi::copyAuxImage(uint8 *dst1, uint8 *dst2, const uint8 *src, int dstw, int dsth, int srcx, int srcy, int srcw, int srch, const Common::Rect *rect) {
- Common::Rect r1, r2;
- if (calcClipRects(dstw, dsth, srcx, srcy, srcw, srch, rect, r1, r2)) {
- decompressAuxImage(dst1, dst2, dstw, r2, src, r1);
- }
-}
-
-void Gdi::decompressAuxImage(uint8 *dst1, uint8 *dst2, int dstPitch, const Common::Rect &dstRect, const uint8 *src, const Common::Rect &srcRect) {
- const uint8 *dataPtr, *dataPtrNext;
- uint8 *dst1Ptr, *dst2Ptr, *dst1PtrNext, *dst2PtrNext;
- int h, w, xoff;
- uint16 off;
- uint8 code;
-
- dst1Ptr = dst1 + dstRect.left + dstRect.top * dstPitch;
- dst2Ptr = dst2 + dstRect.left + dstRect.top * dstPitch;
- dataPtr = src;
-
- // Skip over the first 'srcRect->top' lines in the data
- h = srcRect.top;
- while (h--) {
- dataPtr += READ_LE_UINT16(dataPtr) + 2;
- }
- h = srcRect.height();
- if (h <= 0)
- return;
- w = srcRect.width();
- if (w <= 0)
- return;
-
- while (h--) {
- xoff = srcRect.left;
- off = READ_LE_UINT16(dataPtr);
- w = srcRect.right - srcRect.left;
- dst1PtrNext = dstPitch + dst1Ptr;
- dst2PtrNext = dstPitch + dst2Ptr;
- dataPtrNext = off + 2 + dataPtr;
- dataPtr += 2;
- if (off == 0)
- goto dec_next;
-
- // Skip over the leftmost 'srcRect->left' pixels.
- // TODO: This code could be merged (at a loss of efficency) with the
- // loop below which does the actual drawing.
- while (xoff > 0) {
- code = *dataPtr++;
- if (code & 1) {
- code >>= 1;
- if (code > xoff) {
- code -= xoff;
- goto dec_sub1;
- }
- xoff -= code;
- } else if (code & 2) {
- code = (code >> 2) + 1;
- if (code > xoff) {
- code -= xoff;
- goto dec_sub2;
- }
- xoff -= code;
- ++dataPtr;
- } else {
- code = (code >> 2) + 1;
- if (code > xoff) {
- code -= xoff;
- dataPtr += xoff;
- goto dec_sub3;
- }
- xoff -= code;
- dataPtr += code;
- }
- }
- while (w > 0) {
- code = *dataPtr++;
- if (code & 1) {
- code >>= 1;
-dec_sub1: dst1Ptr += code;
- dst2Ptr += code;
- w -= code;
- } else if (code & 2) {
- code = (code >> 2) + 1;
-dec_sub2: w -= code;
- if (w >= 0) {
- memset(dst1Ptr, *dataPtr++, code);
- dst1Ptr += code;
- dst2Ptr += code;
- } else {
- code += w;
- memset(dst1Ptr, *dataPtr, code);
- }
- } else {
- code = (code >> 2) + 1;
-dec_sub3: w -= code;
- if (w >= 0) {
- memcpy(dst1Ptr, dst2Ptr, code);
- dst1Ptr += code;
- dst2Ptr += code;
- } else {
- code += w;
- memcpy(dst1Ptr, dst2Ptr, code);
- }
- }
- }
-
-dec_next:
- dataPtr = dataPtrNext;
- dst1Ptr = dst1PtrNext;
- dst2Ptr = dst2PtrNext;
- }
-}
-
void Gdi::copyVirtScreenBuffers(const Common::Rect &rect) {
const int rw = rect.width();
const int rh = rect.height();
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