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engines/dgds/drawing.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "graphics/managed_surface.h"
+#include "dgds/drawing.h"
+
+namespace Dgds {
+
+namespace Drawing {
+
+void filledCircle(int x, int y, int xr, int yr, Graphics::ManagedSurface *dst, byte fgcol, byte bgcol) {
+	dst->drawEllipse(x - xr, y - yr, x + xr, y + yr, bgcol, true);
+	dst->drawEllipse(x - xr, y - yr, x + xr, y + yr, fgcol, false);
+}
+
+void emptyCircle(int x, int y, int xr, int yr, Graphics::ManagedSurface *dst, byte fgcol) {
+	dst->drawEllipse(x - xr, y - yr, x + xr, y + yr, fgcol, false);
+}
+
+void rectClipped(const Common::Rect &r, const Common::Rect &clip, Graphics::ManagedSurface *dst, byte color) {
+	Common::Rect clippedR(r);
+	clippedR.clip(clip);
+	if (clippedR.isEmpty())
+		return;
+
+	if (r.top >= clip.top && r.top < clip.bottom)
+		dst->hLine(MAX(r.left, clip.left), r.top, MIN(r.right - 1, clip.right - 1), color);
+
+	if (r.bottom - 1 >= clip.top && r.bottom - 1 < clip.bottom)
+		dst->hLine(MAX(r.left, clip.left), r.bottom - 1, MIN(r.right - 1, clip.right - 1), color);
+
+	if (r.left >= clip.left && r.left < clip.right)
+		dst->vLine(r.left, MAX(r.top, clip.top), MIN(r.bottom - 1, clip.bottom - 1), color);
+
+	if (r.right - 1 >= clip.left && r.right - 1 < clip.right)
+		dst->vLine(r.right - 1, MAX(r.top, clip.top), MIN(r.bottom - 1, clip.bottom - 1), color);
+}
+
+}
+
+} // end namespace Dgds