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-rw-r--r--kyra/cpsimage.cpp248
1 files changed, 124 insertions, 124 deletions
diff --git a/kyra/cpsimage.cpp b/kyra/cpsimage.cpp
index bb50c0a916..479961efb3 100644
--- a/kyra/cpsimage.cpp
+++ b/kyra/cpsimage.cpp
@@ -27,159 +27,159 @@
namespace Kyra {
- struct CPSResource {
- uint32 size;
- uint16 width;
- };
+struct CPSResource {
+ uint32 size;
+ uint16 width;
+};
- static const CPSResource CPSResourceTable[] = {
- { 64000, 320 }, { 7740, 180 }, { 46080, 320 }, { 0, 0 }
- };
+static const CPSResource CPSResourceTable[] = {
+ { 64000, 320 }, { 7740, 180 }, { 46080, 320 }, { 0, 0 }
+};
- static int16 getWidthFromCPSRes(uint32 size) {
- int16 c = 0;
-
- for (; CPSResourceTable[c].size; ++c) {
- if (CPSResourceTable[c].size == size)
- return CPSResourceTable[c].width;
- }
-
- return -1;
+static int16 getWidthFromCPSRes(uint32 size) {
+ int16 c = 0;
+
+ for (; CPSResourceTable[c].size; ++c) {
+ if (CPSResourceTable[c].size == size)
+ return CPSResourceTable[c].width;
}
- CPSImage::CPSImage(uint8* buffer, uint32 size) {
- if (!buffer) {
- error("resource created without data");
- }
- _ownPalette = 0;
- Common::MemoryReadStream bufferstream(buffer, size);
-
- // reads in the Header
- _cpsHeader._filesize = bufferstream.readUint16LE() + 2;
- _cpsHeader._format = bufferstream.readUint16LE();
- _cpsHeader._imagesize = bufferstream.readUint16LE();
- _cpsHeader._pal = bufferstream.readUint32LE();
+ return -1;
+}
+
+CPSImage::CPSImage(uint8* buffer, uint32 size) {
+ if (!buffer) {
+ error("resource created without data");
+ }
+ _ownPalette = 0;
+ Common::MemoryReadStream bufferstream(buffer, size);
+
+ // reads in the Header
+ _cpsHeader._filesize = bufferstream.readUint16LE() + 2;
+ _cpsHeader._format = bufferstream.readUint16LE();
+ _cpsHeader._imagesize = bufferstream.readUint16LE();
+ _cpsHeader._pal = bufferstream.readUint32LE();
- // lets check a bit
- if(_cpsHeader._pal == 0x3000000) {
- // if this was a compressed palette you should have strange graphics
-
- uint8* palbuffer = new uint8[768];
- assert(palbuffer);
+ // lets check a bit
+ if(_cpsHeader._pal == 0x3000000) {
+ // if this was a compressed palette you should have strange graphics
- bufferstream.read(palbuffer, 768 * sizeof(uint8));
-
- _ownPalette = new Palette(palbuffer, 768);
- assert(palbuffer);
- }
+ uint8* palbuffer = new uint8[768];
+ assert(palbuffer);
- _image = new uint8[_cpsHeader._imagesize];
- assert(_image);
+ bufferstream.read(palbuffer, 768 * sizeof(uint8));
+
+ _ownPalette = new Palette(palbuffer, 768);
+ assert(palbuffer);
+ }
+
+ _image = new uint8[_cpsHeader._imagesize];
+ assert(_image);
- uint8* imagebuffer = &buffer[bufferstream.pos()];
- assert(imagebuffer);
+ uint8* imagebuffer = &buffer[bufferstream.pos()];
+ assert(imagebuffer);
- if(_cpsHeader._format == 4) {
- Compression::decode80(imagebuffer, _image);
- } else if(_cpsHeader._format == 3) {
- Compression::decode3(imagebuffer, _image, _cpsHeader._imagesize);
- } else {
- error("unknown CPS format %d", _cpsHeader._format);
- }
+ if(_cpsHeader._format == 4) {
+ Compression::decode80(imagebuffer, _image);
+ } else if(_cpsHeader._format == 3) {
+ Compression::decode3(imagebuffer, _image, _cpsHeader._imagesize);
+ } else {
+ error("unknown CPS format %d", _cpsHeader._format);
+ }
- int16 width = getWidthFromCPSRes(_cpsHeader._imagesize);
+ int16 width = getWidthFromCPSRes(_cpsHeader._imagesize);
- if(width == -1) {
- warning("unknown CPS width(imagesize: %d)", _cpsHeader._imagesize);
- delete [] buffer;
- return;
- }
+ if(width == -1) {
+ warning("unknown CPS width(imagesize: %d)", _cpsHeader._imagesize);
+ delete [] buffer;
+ return;
+ }
- _width = (uint16)width;
- _height = _cpsHeader._imagesize / _width;
+ _width = (uint16)width;
+ _height = _cpsHeader._imagesize / _width;
- _transparency = -1;
+ _transparency = -1;
- delete [] buffer;
- }
+ delete [] buffer;
+}
- CPSImage::~CPSImage() {
- delete [] _image;
- delete _ownPalette;
- }
+CPSImage::~CPSImage() {
+ delete [] _image;
+ delete _ownPalette;
+}
+
+void CPSImage::drawToPlane(uint8* plane, uint16 planepitch, uint16 planeheight, uint16 x, uint16 y) {
+ uint8* src = _image;
+ uint8* dst = &plane[y * planepitch + x];
+ uint32 copysize = planepitch - x;
- void CPSImage::drawToPlane(uint8* plane, uint16 planepitch, uint16 planeheight, uint16 x, uint16 y) {
- uint8* src = _image;
- uint8* dst = &plane[y * planepitch + x];
- uint32 copysize = planepitch - x;
+ if (copysize > _width)
+ copysize = _width;
+
+ if (_transparency == -1) {
+ // 'fast' blitting
+ for (uint16 y_ = 0; y_ < _height && y + y_ < planeheight; ++y_) {
+ memcpy(dst, src, copysize * sizeof(uint8));
+ dst += planepitch;
+ src += _width;
+ }
- if (copysize > _width)
- copysize = _width;
+ } else {
+ // oh no! we have transparency so we have a very slow copy :/
- if (_transparency == -1) {
- // 'fast' blitting
- for (uint16 y_ = 0; y_ < _height && y + y_ < planeheight; ++y_) {
- memcpy(dst, src, copysize * sizeof(uint8));
- dst += planepitch;
- src += _width;
- }
-
- } else {
- // oh no! we have transparency so we have a very slow copy :/
-
- for (uint16 yadd = 0; yadd < _height; ++yadd) {
- for (uint16 xadd = 0; xadd < copysize; ++xadd) {
- if (*src == _transparency) {
- ++dst;
- ++src;
- } else {
- *dst++ = *src++;
- }
+ for (uint16 yadd = 0; yadd < _height; ++yadd) {
+ for (uint16 xadd = 0; xadd < copysize; ++xadd) {
+ if (*src == _transparency) {
+ ++dst;
+ ++src;
+ } else {
+ *dst++ = *src++;
}
-
- src += _width - copysize;
- dst += planepitch - copysize;
}
+
+ src += _width - copysize;
+ dst += planepitch - copysize;
}
}
+}
+
+void CPSImage::drawToPlane(uint8* plane, uint16 planepitch, uint16 planeheight, uint16 x, uint16 y,
+ uint16 srcx, uint16 srcy, uint16 srcwidth, uint16 srcheight) {
+ uint8* src = &_image[srcy * _width + srcx];
+ uint8* dst = &plane[y * planepitch + x];
+ uint32 copysize = planepitch - x;
- void CPSImage::drawToPlane(uint8* plane, uint16 planepitch, uint16 planeheight, uint16 x, uint16 y,
- uint16 srcx, uint16 srcy, uint16 srcwidth, uint16 srcheight) {
- uint8* src = &_image[srcy * _width + srcx];
- uint8* dst = &plane[y * planepitch + x];
- uint32 copysize = planepitch - x;
+ if (srcwidth > _width)
+ srcwidth = _width;
+
+ if (copysize > srcwidth)
+ copysize = srcwidth;
- if (srcwidth > _width)
- srcwidth = _width;
+ if (_transparency == -1) {
+ // 'fast' blitting
+ for (uint16 y_ = 0; y_ < srcheight && y + y_ < planeheight; ++y_) {
+ memcpy(dst, src, copysize * sizeof(uint8));
+ dst += planepitch;
+ src += _width;
+ }
- if (copysize > srcwidth)
- copysize = srcwidth;
+ } else {
+ // oh no! we have transparency so we have a very slow copy :/
- if (_transparency == -1) {
- // 'fast' blitting
- for (uint16 y_ = 0; y_ < srcheight && y + y_ < planeheight; ++y_) {
- memcpy(dst, src, copysize * sizeof(uint8));
- dst += planepitch;
- src += _width;
- }
-
- } else {
- // oh no! we have transparency so we have a very slow copy :/
-
- for (uint16 yadd = 0; yadd < srcheight; ++yadd) {
- for (uint16 xadd = 0; xadd < copysize; ++xadd) {
- if (*src == _transparency) {
- ++dst;
- ++src;
- } else {
- *dst++ = *src++;
- }
+ for (uint16 yadd = 0; yadd < srcheight; ++yadd) {
+ for (uint16 xadd = 0; xadd < copysize; ++xadd) {
+ if (*src == _transparency) {
+ ++dst;
+ ++src;
+ } else {
+ *dst++ = *src++;
}
-
- dst += planepitch - copysize;
- src += _width - copysize;
}
+
+ dst += planepitch - copysize;
+ src += _width - copysize;
}
}
+}
} // end of namespace Kyra
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-17 17:58:53 +0000