COMMON: Copy TransparentSurface from Wintermute engine to common code

1 files changed, 120 insertions, 0 deletions

diff --git a/graphics/transform_struct.cpp b/graphics/transform_struct.cpp
new file mode 100644
index 0000000000..a6beada17f
--- /dev/null
+++ b/graphics/transform_struct.cpp
@@ -0,0 +1,120 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "graphics/transform_struct.h"
+#include "graphics/transparent_surface.h"
+
+namespace Graphics {
+
+void TransformStruct::init(Common::Point zoom, uint32 angle, Common::Point hotspot, bool alphaDisable, TSpriteBlendMode blendMode, uint32 rgbaMod, bool mirrorX, bool mirrorY, Common::Point offset) {
+	_zoom = zoom;
+	_angle = angle;
+	_hotspot = hotspot;
+	_blendMode = blendMode;
+	_rgbaMod = rgbaMod;
+	_alphaDisable = alphaDisable;
+	_flip = 0;
+	_flip += FLIP_H * mirrorX;
+	_flip += FLIP_V * mirrorY;
+	_offset = offset;
+	_numTimesX = 1;
+	_numTimesY = 1;
+}
+
+TransformStruct::TransformStruct(int32 zoomX, int32 zoomY, uint32 angle, int32 hotspotX, int32 hotspotY, TSpriteBlendMode blendMode, uint32 rgbaMod, bool mirrorX, bool mirrorY, int32 offsetX, int32 offsetY) {
+	init(Common::Point(zoomX, zoomY),
+		angle,
+		Common::Point(hotspotX, hotspotY),
+		false,
+		blendMode,
+		rgbaMod,
+		mirrorX, mirrorY,
+		Common::Point(offsetX, offsetY));
+}
+
+TransformStruct::TransformStruct(float zoomX, float zoomY, uint32 angle, int32 hotspotX, int32 hotspotY, TSpriteBlendMode blendMode, uint32 rgbaMod, bool mirrorX, bool mirrorY, int32 offsetX, int32 offsetY) {
+	init(Common::Point((int)(zoomX / 100.0 * kDefaultZoomX),
+		     (int)(zoomY / 100.0 * kDefaultZoomY)),
+		angle,
+		Common::Point(hotspotX, hotspotY),
+		false,
+		blendMode,
+		rgbaMod,
+		mirrorX, mirrorY,
+		Common::Point(offsetX, offsetY));
+}
+
+TransformStruct::TransformStruct(int32 zoomX, int32 zoomY, TSpriteBlendMode blendMode, uint32 rgbaMod, bool mirrorX, bool mirrorY) {
+	init(Common::Point(zoomX, zoomY),
+		kDefaultAngle,
+		Common::Point(kDefaultHotspotX, kDefaultHotspotY),
+		false,
+		blendMode,
+		rgbaMod,
+		mirrorX,
+		mirrorY,
+		Common::Point(kDefaultOffsetX, kDefaultOffsetY));
+}
+
+TransformStruct::TransformStruct(int32 zoomX, int32 zoomY, uint32 angle, int32 hotspotX, int32 hotspotY) {
+	init(Common::Point(zoomX, zoomY),
+		angle,
+		Common::Point(hotspotX, hotspotY),
+		true,
+		BLEND_NORMAL,
+		kDefaultRgbaMod,
+		false, false,
+		Common::Point(kDefaultOffsetX, kDefaultOffsetY));
+}
+
+TransformStruct::TransformStruct(int32 numTimesX, int32 numTimesY) {
+	init(Common::Point(kDefaultZoomX, kDefaultZoomY),
+		kDefaultAngle,
+		Common::Point(kDefaultHotspotX, kDefaultHotspotY),
+		false,
+		BLEND_NORMAL,
+		kDefaultRgbaMod,
+		false, false,
+		Common::Point(kDefaultOffsetX, kDefaultOffsetY));
+	_numTimesX = numTimesX;
+	_numTimesY = numTimesY;
+}
+
+TransformStruct::TransformStruct() {
+	init(Common::Point(kDefaultZoomX, kDefaultZoomY),
+		kDefaultAngle,
+		Common::Point(kDefaultHotspotX, kDefaultHotspotY),
+		true,
+		BLEND_NORMAL,
+		kDefaultRgbaMod,
+		false, false,
+		Common::Point(kDefaultOffsetX, kDefaultOffsetY));
+}
+
+bool TransformStruct::getMirrorX() const {
+	return (bool)(_flip & FLIP_H);
+}
+
+bool TransformStruct::getMirrorY() const {
+	return (bool)(_flip & FLIP_V);
+}
+} // End of namespace Graphics