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engines/ags/engine/gfx/gfx_defines.h

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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/>.
+ *
+ */
+
+#ifndef AGS_ENGINE_GFX_GFX_DEFINES_H
+#define AGS_ENGINE_GFX_GFX_DEFINES_H
+
+#include "ags/shared/core/types.h"
+#include "ags/shared/util/geometry.h"
+
+namespace AGS3 {
+namespace AGS {
+namespace Engine {
+
+// GraphicResolution struct determines image size and color depth
+struct GraphicResolution : Size {
+	int32_t ColorDepth; // color depth in bits per pixel
+
+	GraphicResolution()
+		: ColorDepth(0) {
+	}
+
+	GraphicResolution(int32_t width, int32_t height, int32_t color_depth)
+		: Size(width, height), ColorDepth(color_depth) {
+	}
+
+	GraphicResolution(Size size, int32_t color_depth)
+		: Size(size), ColorDepth(color_depth) {
+	}
+
+	inline bool IsValid() const {
+		return Width > 0 && Height > 0 && ColorDepth > 0;
+	}
+};
+
+enum WindowMode {
+	kWnd_Windowed,      // regular resizable window with a border and a caption
+	kWnd_Fullscreen,    // real (aka exclusive) fullscreen mode
+	kWnd_FullDesktop    // borderless window filling whole desktop
+};
+
+// DisplayMode struct provides extended description of display mode
+struct DisplayMode : public GraphicResolution {
+	int32_t RefreshRate = 0;
+	bool Vsync = false;
+	WindowMode Mode = kWnd_Windowed;
+
+	// Tells if this is logically a normal windowed mode
+	inline bool IsWindowed() const {
+		return Mode == kWnd_Windowed;
+	}
+	// Tells if this mode defines a real fullscreen, which would require gfx driver to support it
+	inline bool IsRealFullscreen() const {
+		return Mode == kWnd_Fullscreen;
+	}
+
+	DisplayMode() = default;
+	DisplayMode(const GraphicResolution & res, WindowMode mode = kWnd_Windowed, int32_t refresh = 0, bool vsync = false)
+		: GraphicResolution(res)
+		, RefreshRate(refresh)
+		, Vsync(vsync)
+		, Mode(mode) {
+	}
+};
+
+} // namespace Engine
+} // namespace AGS
+} // namespace AGS3
+
+#endif