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-rw-r--r--engines/sherlock/surface.cpp282
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