diff options
Diffstat (limited to 'engines/sherlock/surface.cpp')
| -rw-r--r-- | engines/sherlock/surface.cpp | 282 |
1 files changed, 25 insertions, 257 deletions
diff --git a/engines/sherlock/surface.cpp b/engines/sherlock/surface.cpp index 9e84e290e7..93bc001149 100644 --- a/engines/sherlock/surface.cpp +++ b/engines/sherlock/surface.cpp @@ -21,273 +21,24 @@ */ #include "sherlock/surface.h" -#include "sherlock/sherlock.h" -#include "sherlock/resources.h" -#include "common/system.h" -#include "graphics/palette.h" +#include "sherlock/fonts.h" namespace Sherlock { -Surface::Surface(uint16 width, uint16 height) : Fonts(), _freePixels(true) { - create(width, height); -} - -Surface::Surface() : Fonts(), _freePixels(false) { -} - -Surface::~Surface() { - if (_freePixels) - _surface.free(); -} - -void Surface::create(uint16 width, uint16 height) { - if (_freePixels) - _surface.free(); - - if (_vm->getPlatform() == Common::kPlatform3DO) { - _surface.create(width, height, Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0)); - } else { - _surface.create(width, height, Graphics::PixelFormat::createFormatCLUT8()); - } - _freePixels = true; -} - -Graphics::PixelFormat Surface::getPixelFormat() { - return _surface.format; -} - -void Surface::blitFrom(const Surface &src) { - blitFrom(src, Common::Point(0, 0)); -} - -void Surface::blitFrom(const ImageFrame &src) { - blitFrom(src._frame, Common::Point(0, 0)); -} - -void Surface::blitFrom(const Graphics::Surface &src) { - blitFrom(src, Common::Point(0, 0)); -} - -void Surface::blitFrom(const Surface &src, const Common::Point &pt) { - blitFrom(src, pt, Common::Rect(0, 0, src._surface.w, src._surface.h)); -} - -void Surface::blitFrom(const ImageFrame &src, const Common::Point &pt) { - blitFrom(src._frame, pt, Common::Rect(0, 0, src._frame.w, src._frame.h)); -} - -void Surface::blitFrom(const Graphics::Surface &src, const Common::Point &pt) { - blitFrom(src, pt, Common::Rect(0, 0, src.w, src.h)); -} - -void Surface::blitFrom(const Graphics::Surface &src, const Common::Point &pt, const Common::Rect &srcBounds) { - Common::Rect srcRect = srcBounds; - Common::Rect destRect(pt.x, pt.y, pt.x + srcRect.width(), pt.y + srcRect.height()); - - if (srcRect.isValidRect() && clip(srcRect, destRect)) { - // Surface is at least partially or completely on-screen - addDirtyRect(destRect); - _surface.copyRectToSurface(src, destRect.left, destRect.top, srcRect); - } -} - -void Surface::blitFrom(const ImageFrame &src, const Common::Point &pt, const Common::Rect &srcBounds) { - blitFrom(src._frame, pt, srcBounds); -} - -void Surface::blitFrom(const Surface &src, const Common::Point &pt, const Common::Rect &srcBounds) { - blitFrom(src._surface, pt, srcBounds); -} - -void Surface::transBlitFrom(const ImageFrame &src, const Common::Point &pt, - bool flipped, int overrideColor, int scaleVal) { - transBlitFrom(src._frame, pt + src._offset, flipped, overrideColor, scaleVal); +BaseSurface::BaseSurface() : Graphics::Screen(0, 0), Fonts() { + free(); // Free the 0x0 surface allocated by Graphics::Screen } -void Surface::transBlitFrom(const Surface &src, const Common::Point &pt, - bool flipped, int overrideColor, int scaleVal) { - const Graphics::Surface &s = src._surface; - transBlitFrom(s, pt, flipped, overrideColor, scaleVal); -} - -void Surface::transBlitFrom(const Graphics::Surface &src, const Common::Point &pt, - bool flipped, int overrideColor, int scaleVal) { - if (scaleVal == SCALE_THRESHOLD) { - transBlitFromUnscaled(src, pt, flipped, overrideColor); - return; - } - - int scaleX = SCALE_THRESHOLD * SCALE_THRESHOLD / scaleVal; - int scaleY = scaleX; - int scaleXCtr = 0, scaleYCtr = 0; - int destX, destY; - int xCtr, yCtr; - int maxX = pt.x; - - for (yCtr = 0, destY = pt.y; yCtr < src.h && destY < this->h(); ++yCtr) { - // Handle skipping lines if Y scaling - scaleYCtr += scaleY; - - while (scaleYCtr >= SCALE_THRESHOLD && destY < this->h()) { - scaleYCtr -= SCALE_THRESHOLD; - - if (destY >= 0) { - // Handle drawing the line - const byte *pSrc = (const byte *)src.getBasePtr(flipped ? src.w - 1 : 0, yCtr); - byte *pDest = (byte *)getBasePtr(pt.x, destY); - scaleXCtr = 0; - - for (xCtr = 0, destX = pt.x; xCtr < src.w && destX < this->w(); ++xCtr) { - // Handle horizontal scaling - scaleXCtr += scaleX; - - while (scaleXCtr >= SCALE_THRESHOLD && destX < this->w()) { - scaleXCtr -= SCALE_THRESHOLD; - - // Only handle on-screen pixels - if (destX >= 0 && *pSrc != TRANSPARENCY) - *pDest = *pSrc; - - ++pDest; - ++destX; - } - - maxX = MAX(maxX, destX); - pSrc = pSrc + (flipped ? -1 : 1); - } - } - - ++destY; - } - } - - // Mark the affected area - addDirtyRect(Common::Rect(pt.x, pt.y, maxX, destY)); -} - -void Surface::transBlitFromUnscaled(const Graphics::Surface &src, const Common::Point &pt, - bool flipped, int overrideColor) { - Common::Rect drawRect(0, 0, src.w, src.h); - Common::Rect destRect(pt.x, pt.y, pt.x + src.w, pt.y + src.h); - - // Clip the display area to on-screen - if (!clip(drawRect, destRect)) - // It's completely off-screen - return; - - if (flipped) - drawRect = Common::Rect(src.w - drawRect.right, src.h - drawRect.bottom, - src.w - drawRect.left, src.h - drawRect.top); - - Common::Point destPt(destRect.left, destRect.top); - addDirtyRect(Common::Rect(destPt.x, destPt.y, destPt.x + drawRect.width(), - destPt.y + drawRect.height())); - - switch (src.format.bytesPerPixel) { - case 1: - // 8-bit palettized: Draw loop - assert(_surface.format.bytesPerPixel == 1); // Security check - for (int yp = 0; yp < drawRect.height(); ++yp) { - const byte *srcP = (const byte *)src.getBasePtr( - flipped ? drawRect.right - 1 : drawRect.left, drawRect.top + yp); - byte *destP = (byte *)getBasePtr(destPt.x, destPt.y + yp); - - for (int xp = 0; xp < drawRect.width(); ++xp, ++destP) { - if (*srcP != TRANSPARENCY) - *destP = overrideColor ? overrideColor : *srcP; - - srcP = flipped ? srcP - 1 : srcP + 1; - } - } - break; - case 2: - // 3DO 15-bit RGB565: Draw loop - assert(_surface.format.bytesPerPixel == 2); // Security check - for (int yp = 0; yp < drawRect.height(); ++yp) { - const uint16 *srcP = (const uint16 *)src.getBasePtr( - flipped ? drawRect.right - 1 : drawRect.left, drawRect.top + yp); - uint16 *destP = (uint16 *)getBasePtr(destPt.x, destPt.y + yp); - - for (int xp = 0; xp < drawRect.width(); ++xp, ++destP) { - if (*srcP) // RGB 0, 0, 0 -> transparent on 3DO - *destP = *srcP; // overrideColor ? overrideColor : *srcP; - - srcP = flipped ? srcP - 1 : srcP + 1; - } - } - break; - default: - error("Surface: unsupported bytesperpixel"); - break; - } -} - -void Surface::fillRect(int x1, int y1, int x2, int y2, byte color) { - fillRect(Common::Rect(x1, y1, x2, y2), color); -} - -void Surface::fillRect(const Common::Rect &r, byte color) { - _surface.fillRect(r, color); - addDirtyRect(r); -} - -void Surface::fill(uint16 color) { - _surface.fillRect(Common::Rect(_surface.w, _surface.h), color); -} - -bool Surface::clip(Common::Rect &srcBounds, Common::Rect &destBounds) { - if (destBounds.left >= _surface.w || destBounds.top >= _surface.h || - destBounds.right <= 0 || destBounds.bottom <= 0) - return false; - - // Clip the bounds if necessary to fit on-screen - if (destBounds.right > _surface.w) { - srcBounds.right -= destBounds.right - _surface.w; - destBounds.right = _surface.w; - } - - if (destBounds.bottom > _surface.h) { - srcBounds.bottom -= destBounds.bottom - _surface.h; - destBounds.bottom = _surface.h; - } - - if (destBounds.top < 0) { - srcBounds.top += -destBounds.top; - destBounds.top = 0; - } - - if (destBounds.left < 0) { - srcBounds.left += -destBounds.left; - destBounds.left = 0; - } - - return true; -} - -void Surface::clear() { - fillRect(Common::Rect(0, 0, _surface.w, _surface.h), 0); -} - -void Surface::free() { - if (_freePixels) { - _surface.free(); - _freePixels = false; - } -} - -void Surface::setPixels(byte *pixels, int width, int height, Graphics::PixelFormat pixelFormat) { - _surface.format = pixelFormat; - _surface.w = width; - _surface.h = height; - _surface.pitch = width * pixelFormat.bytesPerPixel; - _surface.setPixels(pixels); +BaseSurface::BaseSurface(int width, int height) : Graphics::Screen(width, height), + Fonts() { + create(width, height); } -void Surface::writeString(const Common::String &str, const Common::Point &pt, byte overrideColor) { +void BaseSurface::writeString(const Common::String &str, const Common::Point &pt, uint overrideColor) { Fonts::writeString(this, str, pt, overrideColor); } -void Surface::writeFancyString(const Common::String &str, const Common::Point &pt, byte overrideColor1, byte overrideColor2) { +void BaseSurface::writeFancyString(const Common::String &str, const Common::Point &pt, uint overrideColor1, uint overrideColor2) { writeString(str, Common::Point(pt.x, pt.y), overrideColor1); writeString(str, Common::Point(pt.x + 1, pt.y), overrideColor1); writeString(str, Common::Point(pt.x + 2, pt.y), overrideColor1); @@ -299,4 +50,21 @@ void Surface::writeFancyString(const Common::String &str, const Common::Point &p writeString(str, Common::Point(pt.x + 1, pt.y + 1), overrideColor2); } +void BaseSurface::SHtransBlitFrom(const ImageFrame &src, const Common::Point &pt, + bool flipped, int overrideColor, int scaleVal) { + Common::Point drawPt(pt.x + src.sDrawXOffset(scaleVal), pt.y + src.sDrawYOffset(scaleVal)); + SHtransBlitFrom(src._frame, drawPt, flipped, overrideColor, scaleVal); +} + +void BaseSurface::SHtransBlitFrom(const Graphics::Surface &src, const Common::Point &pt, + bool flipped, int overrideColor, int scaleVal) { + Common::Rect srcRect(0, 0, src.w, src.h); + Common::Rect destRect(pt.x, pt.y, pt.x + src.w * SCALE_THRESHOLD / scaleVal, + pt.y + src.h * SCALE_THRESHOLD / scaleVal); + + Graphics::Screen::transBlitFrom(src, srcRect, destRect, TRANSPARENCY, + flipped, overrideColor); +} + + } // End of namespace Sherlock |