diff options
Diffstat (limited to 'engines/parallaction/gfxbase.cpp')
-rw-r--r-- | engines/parallaction/gfxbase.cpp | 190 |
1 files changed, 150 insertions, 40 deletions
diff --git a/engines/parallaction/gfxbase.cpp b/engines/parallaction/gfxbase.cpp index 1c373dda44..8eb9753edd 100644 --- a/engines/parallaction/gfxbase.cpp +++ b/engines/parallaction/gfxbase.cpp @@ -32,7 +32,7 @@ namespace Parallaction { -GfxObj::GfxObj(uint objType, Frames *frames, const char* name) : _frames(frames), _keep(true), x(0), y(0), z(0), _flags(kGfxObjNormal), type(objType), frame(0), layer(3) { +GfxObj::GfxObj(uint objType, Frames *frames, const char* name) : _frames(frames), _keep(true), x(0), y(0), z(0), _flags(kGfxObjNormal), type(objType), frame(0), layer(3), scale(100) { if (name) { _name = strdup(name); } else { @@ -180,9 +180,9 @@ void Gfx::drawGfxObject(GfxObj *obj, Graphics::Surface &surf, bool scene) { data = obj->getData(obj->frame); if (obj->getSize(obj->frame) == obj->getRawSize(obj->frame)) { - blt(rect, data, &surf, obj->layer, obj->transparentKey); + blt(rect, data, &surf, obj->layer, obj->scale, obj->transparentKey); } else { - unpackBlt(rect, data, obj->getRawSize(obj->frame), &surf, obj->layer, obj->transparentKey); + unpackBlt(rect, data, obj->getRawSize(obj->frame), &surf, obj->layer, obj->scale, obj->transparentKey); } } @@ -233,7 +233,7 @@ void Gfx::unpackBlt(const Common::Rect& r, byte *data, uint size, Graphics::Surf blt(r, _unpackedBitmap, surf, z, transparentColor); } #endif -void Gfx::unpackBlt(const Common::Rect& r, byte *data, uint size, Graphics::Surface *surf, uint16 z, byte transparentColor) { +void Gfx::unpackBlt(const Common::Rect& r, byte *data, uint size, Graphics::Surface *surf, uint16 z, uint scale, byte transparentColor) { byte *d = _unpackedBitmap; uint pixelsLeftInLine = r.width(); @@ -259,11 +259,154 @@ void Gfx::unpackBlt(const Common::Rect& r, byte *data, uint size, Graphics::Surf d += repeat; } - blt(r, _unpackedBitmap, surf, z, transparentColor); + blt(r, _unpackedBitmap, surf, z, scale, transparentColor); } -void Gfx::blt(const Common::Rect& r, byte *data, Graphics::Surface *surf, uint16 z, byte transparentColor) { +void Gfx::bltMaskScale(const Common::Rect& r, byte *data, Graphics::Surface *surf, uint16 z, uint scale, byte transparentColor) { + if (scale == 100) { + // use optimized path + bltMaskNoScale(r, data, surf, z, transparentColor); + return; + } + + Common::Rect q(r); + Common::Rect clipper(surf->w, surf->h); + q.clip(clipper); + if (!q.isValidRect()) return; + + uint inc = r.width() * (100 - scale); + uint thr = r.width() * 100; + uint xAccum = 0, yAccum = 0; + + Common::Point dp; + dp.x = q.left + (r.width() * (100 - scale)) / 200; + dp.y = q.top + (r.height() * (100 - scale)) / 100; + q.translate(-r.left, -r.top); + byte *s = data + q.left + q.top * r.width(); + byte *d = (byte*)surf->getBasePtr(dp.x, dp.y); + + uint line = 0, col = 0; + + for (uint16 i = 0; i < q.height(); i++) { + yAccum += inc; + + if (yAccum >= thr) { + yAccum -= thr; + s += r.width(); + continue; + } + + xAccum = 0; + byte *d2 = d; + col = 0; + + for (uint16 j = 0; j < q.width(); j++) { + xAccum += inc; + + if (xAccum >= thr) { + xAccum -= thr; + s++; + continue; + } + + if (*s != transparentColor) { + byte v = _backgroundInfo->mask.getValue(dp.x + col, dp.y + line); + if (z >= v) *d2 = *s; + } + + s++; + d2++; + col++; + } + + s += r.width() - q.width(); + d += surf->w; + line++; + } + +} + +void Gfx::bltMaskNoScale(const Common::Rect& r, byte *data, Graphics::Surface *surf, uint16 z, byte transparentColor) { + if (!_backgroundInfo->mask.data || (z == LAYER_FOREGROUND)) { + // use optimized path + bltNoMaskNoScale(r, data, surf, transparentColor); + return; + } + + Common::Point dp; + Common::Rect q(r); + + Common::Rect clipper(surf->w, surf->h); + + q.clip(clipper); + if (!q.isValidRect()) return; + + dp.x = q.left; + dp.y = q.top; + + q.translate(-r.left, -r.top); + + byte *s = data + q.left + q.top * r.width(); + byte *d = (byte*)surf->getBasePtr(dp.x, dp.y); + + uint sPitch = r.width() - q.width(); + uint dPitch = surf->w - q.width(); + + for (uint16 i = 0; i < q.height(); i++) { + + for (uint16 j = 0; j < q.width(); j++) { + if (*s != transparentColor) { + byte v = _backgroundInfo->mask.getValue(dp.x + j, dp.y + i); + if (z >= v) *d = *s; + } + + s++; + d++; + } + + s += sPitch; + d += dPitch; + } + +} + +void Gfx::bltNoMaskNoScale(const Common::Rect& r, byte *data, Graphics::Surface *surf, byte transparentColor) { + Common::Point dp; + Common::Rect q(r); + + Common::Rect clipper(surf->w, surf->h); + + q.clip(clipper); + if (!q.isValidRect()) return; + + dp.x = q.left; + dp.y = q.top; + + q.translate(-r.left, -r.top); + + byte *s = data + q.left + q.top * r.width(); + byte *d = (byte*)surf->getBasePtr(dp.x, dp.y); + + uint sPitch = r.width() - q.width(); + uint dPitch = surf->w - q.width(); + + for (uint16 i = q.top; i < q.bottom; i++) { + for (uint16 j = q.left; j < q.right; j++) { + if (*s != transparentColor) + *d = *s; + + s++; + d++; + } + + s += sPitch; + d += dPitch; + } +} + + +void Gfx::blt(const Common::Rect& r, byte *data, Graphics::Surface *surf, uint16 z, uint scale, byte transparentColor) { Common::Point dp; Common::Rect q(r); @@ -308,40 +451,7 @@ void Gfx::blt(const Common::Rect& r, byte *data, Graphics::Surface *surf, uint16 } } else { - if (_backgroundInfo->mask.data && (z < LAYER_FOREGROUND)) { - - for (uint16 i = 0; i < q.height(); i++) { - - for (uint16 j = 0; j < q.width(); j++) { - if (*s != transparentColor) { - byte v = _backgroundInfo->mask.getValue(dp.x + j, dp.y + i); - if (z >= v) *d = *s; - } - - s++; - d++; - } - - s += sPitch; - d += dPitch; - } - - } else { - - for (uint16 i = q.top; i < q.bottom; i++) { - for (uint16 j = q.left; j < q.right; j++) { - if (*s != transparentColor) - *d = *s; - - s++; - d++; - } - - s += sPitch; - d += dPitch; - } - - } + bltMaskScale(r, data, surf, z, scale, transparentColor); } } |