diff options
| -rw-r--r-- | src/Makefile.am | 13 | ||||
| -rw-r--r-- | src/guichan/defaultfont.cpp | 94 | ||||
| -rw-r--r-- | src/guichan/defaultfont.hpp | 95 | ||||
| -rw-r--r-- | src/guichan/inputevent.cpp | 96 | ||||
| -rw-r--r-- | src/guichan/inputevent.hpp | 159 | ||||
| -rw-r--r-- | src/guichan/key.cpp | 91 | ||||
| -rw-r--r-- | src/guichan/keyevent.cpp | 91 | ||||
| -rw-r--r-- | src/guichan/keyevent.hpp | 138 | ||||
| -rw-r--r-- | src/guichan/keyinput.cpp | 134 | ||||
| -rw-r--r-- | src/guichan/sdl/sdlgraphics.cpp | 694 | ||||
| -rw-r--r-- | src/guichan/sdl/sdlgraphics.hpp | 156 | ||||
| -rw-r--r-- | src/guichan/sdl/sdlimage.cpp | 185 | ||||
| -rw-r--r-- | src/guichan/sdl/sdlimage.hpp | 107 | ||||
| -rw-r--r-- | src/guichan/sdl/sdlpixel.hpp | 260 |
14 files changed, 2313 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 711c803ae..a5894458d 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -26,6 +26,7 @@ manaplus_SOURCES += guichan/actionevent.hpp \ guichan/basiccontainer.hpp \ guichan/cliprectangle.hpp \ guichan/color.hpp \ + guichan/defaultfont.hpp \ guichan/event.hpp \ guichan/exception.hpp \ guichan/focushandler.hpp \ @@ -36,7 +37,9 @@ manaplus_SOURCES += guichan/actionevent.hpp \ guichan/image.hpp \ guichan/imageloader.hpp \ guichan/input.hpp \ + guichan/inputevent.hpp \ guichan/key.hpp \ + guichan/keyevent.hpp \ guichan/keyinput.hpp \ guichan/keylistener.hpp \ guichan/listmodel.hpp \ @@ -46,6 +49,9 @@ manaplus_SOURCES += guichan/actionevent.hpp \ guichan/platform.hpp \ guichan/rectangle.hpp \ guichan/selectionevent.hpp \ + guichan/sdl/sdlgraphics.hpp \ + guichan/sdl/sdlimage.hpp \ + guichan/sdl/sdlpixel.hpp \ guichan/widget.hpp \ guichan/widgetlistener.hpp \ guichan/widgets/button.hpp \ @@ -69,6 +75,7 @@ manaplus_SOURCES += guichan/actionevent.cpp \ guichan/basiccontainer.cpp \ guichan/cliprectangle.cpp \ guichan/color.cpp \ + guichan/defaultfont.cpp \ guichan/event.cpp \ guichan/exception.cpp \ guichan/focushandler.cpp \ @@ -76,11 +83,17 @@ manaplus_SOURCES += guichan/actionevent.cpp \ guichan/graphics.cpp \ guichan/gui.cpp \ guichan/image.cpp \ + guichan/inputevent.cpp \ + guichan/key.cpp \ + guichan/keyevent.cpp \ + guichan/keyinput.cpp \ guichan/mouseevent.cpp \ guichan/mouseinput.cpp \ guichan/rectangle.cpp \ guichan/selectionevent.cpp \ guichan/widget.cpp \ + guichan/sdl/sdlgraphics.cpp \ + guichan/sdl/sdlimage.cpp \ guichan/widgets/button.cpp \ guichan/widgets/checkbox.cpp \ guichan/widgets/container.cpp \ diff --git a/src/guichan/defaultfont.cpp b/src/guichan/defaultfont.cpp new file mode 100644 index 000000000..d792e727d --- /dev/null +++ b/src/guichan/defaultfont.cpp @@ -0,0 +1,94 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/defaultfont.hpp" + +#include <string> + +#include "guichan/graphics.hpp" +#include "guichan/rectangle.hpp" + +namespace gcn +{ + int DefaultFont::getHeight() const + { + return 8; + } + + int DefaultFont::getWidth(const std::string& text) const + { + return 8*text.size(); + } + + int DefaultFont::drawGlyph(Graphics* graphics, unsigned char glyph, int x, int y) + { + graphics->drawRectangle( Rectangle(x, y, 8, 8)); + + return 8; + } + + void DefaultFont::drawString(Graphics* graphics, const std::string& text, int x, int y) + { + unsigned int i; + + for (i = 0; i< text.size(); ++i) + { + drawGlyph(graphics, text.at(i), x, y); + x += getWidth(text); + } + } + + int DefaultFont::getStringIndexAt(const std::string& text, int x) const + { + if (x > (int)text.size() * 8) + { + return text.size(); + } + + return x / 8; + } +} diff --git a/src/guichan/defaultfont.hpp b/src/guichan/defaultfont.hpp new file mode 100644 index 000000000..430911ca3 --- /dev/null +++ b/src/guichan/defaultfont.hpp @@ -0,0 +1,95 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_DEFAULTFONT_HPP +#define GCN_DEFAULTFONT_HPP + +#include "guichan/font.hpp" +#include "guichan/platform.hpp" + +namespace gcn +{ + /** + * A font only capable of drawing rectangles. It is used by default + * in Guichan if no font has been set merely to show that no font has + * been set. + */ + class GCN_CORE_DECLSPEC DefaultFont : public Font + { + public: + + /** + * Destructor. + */ + virtual ~DefaultFont(){} + + /** + * Draws a glyph as a rectangle. The glyphs will always be drawn as + * rectangles no matter the glyph. + * + * NOTE: You normally won't use this function to draw text since + * the Graphics class contains better functions for drawing + * text. + * + * @param graphics A Graphics object to be used for drawing. + * @param glyph The glyph to draw. + * @param x The x coordinate where to draw the glyph. + * @param y The y coordinate where to draw the glyph. + * @return The width of the drawn glyph in pixels. + */ + virtual int drawGlyph(Graphics* graphics, unsigned char glyph, int x, int y); + + + // Inherited from Font + + virtual void drawString(Graphics* graphics, const std::string& text, int x, int y); + + virtual int getWidth(const std::string& text) const; + + virtual int getHeight() const; + + virtual int getStringIndexAt(const std::string& text, int x) const; + }; +} + +#endif // end GCN_DEFAULTFONT_HPP diff --git a/src/guichan/inputevent.cpp b/src/guichan/inputevent.cpp new file mode 100644 index 000000000..d10b16823 --- /dev/null +++ b/src/guichan/inputevent.cpp @@ -0,0 +1,96 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/inputevent.hpp" + +namespace gcn +{ + InputEvent::InputEvent(Widget* source, + bool isShiftPressed, + bool isControlPressed, + bool isAltPressed, + bool isMetaPressed) + :Event(source), + mShiftPressed(isShiftPressed), + mControlPressed(isControlPressed), + mAltPressed(isAltPressed), + mMetaPressed(isMetaPressed), + mIsConsumed(false) + { + + } + + bool InputEvent::isShiftPressed() const + { + return mShiftPressed; + } + + bool InputEvent::isControlPressed() const + { + return mControlPressed; + } + + bool InputEvent::isAltPressed() const + { + return mAltPressed; + } + + bool InputEvent::isMetaPressed() const + { + return mMetaPressed; + } + + void InputEvent::consume() + { + mIsConsumed = true; + } + + bool InputEvent::isConsumed() const + { + return mIsConsumed; + } +} diff --git a/src/guichan/inputevent.hpp b/src/guichan/inputevent.hpp new file mode 100644 index 000000000..8594d3dae --- /dev/null +++ b/src/guichan/inputevent.hpp @@ -0,0 +1,159 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_INPUTEVENT_HPP +#define GCN_INPUTEVENT_HPP + +#include "guichan/event.hpp" +#include "guichan/platform.hpp" + +namespace gcn +{ + /** + * Base class for all events concerning input. + * + * @author Olof Naessén + * @since 0.6.0 + */ + class GCN_CORE_DECLSPEC InputEvent: public Event + { + public: + + /** + * Constructor. + * + * @param source The source widget of the event. + * @param isShiftPressed True if shift is pressed, false otherwise. + * @param isControlPressed True if control is pressed, false otherwise. + * @param isAltPressed True if alt is pressed, false otherwise. + * @param isMetaPressed True if meta is pressed, false otherwise. + */ + InputEvent(Widget* source, + bool isShiftPressed, + bool isControlPressed, + bool isAltPressed, + bool isMetaPressed); + + /** + * Checks if shift is pressed. + * + * @return True if shift was pressed at the same time as the key, + * false otherwise. + */ + bool isShiftPressed() const; + + /** + * Checks if control is pressed. + * + * @return True if control was pressed at the same time as the key, + * false otherwise. + */ + bool isControlPressed() const; + + /** + * Checks if alt is pressed. + * + * @return True if alt was pressed at the same time as the key, + * false otherwise. + */ + bool isAltPressed() const; + + /** + * Checks whether meta is pressed. + * + * @return True if meta was pressed at the same time as the key, + * false otherwise. + */ + bool isMetaPressed() const; + + /** + * Marks the event as consumed. Input event listeners may discard + * consumed input or act on consumed input. An example of a widget + * that discards consumed input is the ScrollArea widget that + * discards consumed mouse wheel events so the ScrollArea will not + * scroll if for instance a Slider's value inside the ScrollArea was + * changed with the mouse wheel. + * + * @see isConsumed + */ + void consume(); + + /** + * Checks if the input event is consumed. + * + * @return True if the input event is consumed, + * false otherwise. + * @see consume + */ + bool isConsumed() const; + + protected: + /** + * True if shift is pressed, false otherwise. + */ + bool mShiftPressed; + + /** + * True if control is pressed, false otherwise. + */ + bool mControlPressed; + + /** + * True if alt is pressed, false otherwise. + */ + bool mAltPressed; + + /** + * True if meta is pressed, false otherwise. + */ + bool mMetaPressed; + + /** + * True if the input event is consumed, + * false otherwise. + */ + bool mIsConsumed; + }; +} + +#endif // end GCN_INPUTEVENT_HPP diff --git a/src/guichan/key.cpp b/src/guichan/key.cpp new file mode 100644 index 000000000..70e965209 --- /dev/null +++ b/src/guichan/key.cpp @@ -0,0 +1,91 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/key.hpp" + +namespace gcn +{ + Key::Key(int value) + :mValue(value) + { + } + + bool Key::isCharacter() const + { + return (mValue >= 32 && mValue <= 126) + || (mValue >= 162 && mValue <= 255) + || (mValue == 9); + } + + bool Key::isNumber() const + { + return mValue >= 48 && mValue <= 57; + } + + bool Key::isLetter() const + { + return (((mValue >= 65 && mValue <= 90) + || (mValue >= 97 && mValue <= 122) + || (mValue >= 192 && mValue <= 255)) + && (mValue != 215) && (mValue != 247)); + } + + int Key::getValue() const + { + return mValue; + } + + bool Key::operator==(const Key& key) const + { + return mValue == key.mValue; + } + + bool Key::operator!=(const Key& key) const + { + return (mValue != key.mValue); + } +} diff --git a/src/guichan/keyevent.cpp b/src/guichan/keyevent.cpp new file mode 100644 index 000000000..74c6a7983 --- /dev/null +++ b/src/guichan/keyevent.cpp @@ -0,0 +1,91 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/keyevent.hpp" + +namespace gcn +{ + KeyEvent::KeyEvent(Widget* source, + bool isShiftPressed, + bool isControlPressed, + bool isAltPressed, + bool isMetaPressed, + unsigned int type, + bool isNumericPad, + const Key& key) + :InputEvent(source, + isShiftPressed, + isControlPressed, + isAltPressed, + isMetaPressed), + mType(type), + mIsNumericPad(isNumericPad), + mKey(key) + { + + } + + KeyEvent::~KeyEvent() + { + + } + + unsigned int KeyEvent::getType() const + { + return mType; + } + + bool KeyEvent::isNumericPad() const + { + return mIsNumericPad; + } + + const Key& KeyEvent::getKey() const + { + return mKey; + } +} diff --git a/src/guichan/keyevent.hpp b/src/guichan/keyevent.hpp new file mode 100644 index 000000000..f42601235 --- /dev/null +++ b/src/guichan/keyevent.hpp @@ -0,0 +1,138 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_KEYEVENT_HPP +#define GCN_KEYEVENT_HPP + +#include "guichan/inputevent.hpp" +#include "guichan/key.hpp" +#include "guichan/platform.hpp" + +namespace gcn +{ + class Widget; + + /** + * Represents a key event. + */ + class GCN_CORE_DECLSPEC KeyEvent: public InputEvent + { + public: + /** + * Key event types. + */ + enum + { + PRESSED = 0, + RELEASED + }; + + /** + * Constructor. + * + * @param source The source widget of the event. + * @param isShiftPressed True if shift is pressed, false otherwise. + * @param isControlPressed True if control is pressed, false otherwise. + * @param isAltPressed True if alt is pressed, false otherwise. + * @param isMetaPressed True if meta is pressed, false otherwise. + * @param type The type of the event. A value from KeyEventType. + * @param isNumericPad True if the event occured on the numeric pad, + * false otherwise. + * @param key The key of the event. + */ + KeyEvent(Widget* source, + bool isShiftPressed, + bool isControlPressed, + bool isAltPressed, + bool isMetaPressed, + unsigned int type, + bool isNumericPad, + const Key& key); + + /** + * Destructor. + */ + virtual ~KeyEvent(); + + /** + * Gets the type of the event. + * + * @return The type of the event. + */ + unsigned int getType() const; + + /** + * Checks if the key event occured on the numeric pad. + * + * @return True if key event occured on the numeric pad, + * false otherwise. + * + */ + bool isNumericPad() const; + + /** + * Gets the key of the event. + * + * @return The key of the event. + */ + const Key& getKey() const; + + protected: + /** + * Holds the type of the key event. + */ + unsigned int mType; + + /** + * True if the numeric pad was used, false otherwise. + */ + bool mIsNumericPad; + + /** + * Holds the key of the key event. + */ + Key mKey; + }; +} + +#endif // end GCN_KEYEVENT_HPP diff --git a/src/guichan/keyinput.cpp b/src/guichan/keyinput.cpp new file mode 100644 index 000000000..d0a3a1f7a --- /dev/null +++ b/src/guichan/keyinput.cpp @@ -0,0 +1,134 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/keyinput.hpp" + +namespace gcn +{ + KeyInput::KeyInput(const Key& key, unsigned int type) + :mKey(key), + mType(type), + mShiftPressed(false), + mControlPressed(false), + mAltPressed(false), + mMetaPressed(false), + mNumericPad(false) + { + + } + + void KeyInput::setType(unsigned int type) + { + mType = type; + } + + int KeyInput::getType() const + { + return mType; + } + + void KeyInput::setKey(const Key& key) + { + mKey = key; + } + + const Key& KeyInput::getKey() const + { + return mKey; + } + + bool KeyInput::isShiftPressed() const + { + return mShiftPressed; + } + + void KeyInput::setShiftPressed(bool pressed) + { + mShiftPressed = pressed; + } + + bool KeyInput::isControlPressed() const + { + return mControlPressed; + } + + void KeyInput::setControlPressed(bool pressed) + { + mControlPressed = pressed; + } + + bool KeyInput::isAltPressed() const + { + return mAltPressed; + } + + void KeyInput::setAltPressed(bool pressed) + { + mAltPressed = pressed; + } + + bool KeyInput::isMetaPressed() const + { + return mMetaPressed; + } + + void KeyInput::setMetaPressed(bool pressed) + { + mMetaPressed = pressed; + } + + bool KeyInput::isNumericPad() const + { + return mNumericPad; + } + + void KeyInput::setNumericPad(bool numpad) + { + mNumericPad = numpad; + } +} + diff --git a/src/guichan/sdl/sdlgraphics.cpp b/src/guichan/sdl/sdlgraphics.cpp new file mode 100644 index 000000000..8c4504a59 --- /dev/null +++ b/src/guichan/sdl/sdlgraphics.cpp @@ -0,0 +1,694 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/sdl/sdlgraphics.hpp" + +#include "guichan/exception.hpp" +#include "guichan/font.hpp" +#include "guichan/image.hpp" +#include "guichan/sdl/sdlimage.hpp" +#include "guichan/sdl/sdlpixel.hpp" + +// For some reason an old version of MSVC did not like std::abs, +// so we added this macro. +#ifndef ABS +#define ABS(x) ((x)<0?-(x):(x)) +#endif + +namespace gcn +{ + + SDLGraphics::SDLGraphics() + { + mAlpha = false; + } + + void SDLGraphics::_beginDraw() + { + Rectangle area; + area.x = 0; + area.y = 0; + area.width = mTarget->w; + area.height = mTarget->h; + pushClipArea(area); + } + + void SDLGraphics::_endDraw() + { + popClipArea(); + } + + void SDLGraphics::setTarget(SDL_Surface* target) + { + mTarget = target; + } + + bool SDLGraphics::pushClipArea(Rectangle area) + { + SDL_Rect rect; + bool result = Graphics::pushClipArea(area); + + const ClipRectangle& carea = mClipStack.top(); + rect.x = carea.x; + rect.y = carea.y; + rect.w = carea.width; + rect.h = carea.height; + + SDL_SetClipRect(mTarget, &rect); + + return result; + } + + void SDLGraphics::popClipArea() + { + Graphics::popClipArea(); + + if (mClipStack.empty()) + { + return; + } + + const ClipRectangle& carea = mClipStack.top(); + SDL_Rect rect; + rect.x = carea.x; + rect.y = carea.y; + rect.w = carea.width; + rect.h = carea.height; + + SDL_SetClipRect(mTarget, &rect); + } + + SDL_Surface* SDLGraphics::getTarget() const + { + return mTarget; + } + + void SDLGraphics::drawImage(const Image* image, + int srcX, + int srcY, + int dstX, + int dstY, + int width, + int height) + { + if (mClipStack.empty()) + { + throw GCN_EXCEPTION("Clip stack is empty, perhaps you called a draw funtion outside of _beginDraw() and _endDraw()?"); + } + + const ClipRectangle& top = mClipStack.top(); + + SDL_Rect src; + SDL_Rect dst; + src.x = srcX; + src.y = srcY; + src.w = width; + src.h = height; + dst.x = dstX + top.xOffset; + dst.y = dstY + top.yOffset; + + const SDLImage* srcImage = dynamic_cast<const SDLImage*>(image); + + if (srcImage == NULL) + { + throw GCN_EXCEPTION("Trying to draw an image of unknown format, must be an SDLImage."); + } + + SDL_BlitSurface(srcImage->getSurface(), &src, mTarget, &dst); + } + + void SDLGraphics::fillRectangle(const Rectangle& rectangle) + { + if (mClipStack.empty()) + { + throw GCN_EXCEPTION("Clip stack is empty, perhaps you called a draw funtion outside of _beginDraw() and _endDraw()?"); + } + + const ClipRectangle& top = mClipStack.top(); + + Rectangle area = rectangle; + area.x += top.xOffset; + area.y += top.yOffset; + + if(!area.isIntersecting(top)) + { + return; + } + + if (mAlpha) + { + int x1 = area.x > top.x ? area.x : top.x; + int y1 = area.y > top.y ? area.y : top.y; + int x2 = area.x + area.width < top.x + top.width ? area.x + area.width : top.x + top.width; + int y2 = area.y + area.height < top.y + top.height ? area.y + area.height : top.y + top.height; + int x, y; + + SDL_LockSurface(mTarget); + for (y = y1; y < y2; y++) + { + for (x = x1; x < x2; x++) + { + SDLputPixelAlpha(mTarget, x, y, mColor); + } + } + SDL_UnlockSurface(mTarget); + + } + else + { + SDL_Rect rect; + rect.x = area.x; + rect.y = area.y; + rect.w = area.width; + rect.h = area.height; + + Uint32 color = SDL_MapRGBA(mTarget->format, + mColor.r, + mColor.g, + mColor.b, + mColor.a); + SDL_FillRect(mTarget, &rect, color); + } + } + + void SDLGraphics::drawPoint(int x, int y) + { + if (mClipStack.empty()) + { + throw GCN_EXCEPTION("Clip stack is empty, perhaps you called a draw funtion outside of _beginDraw() and _endDraw()?"); + } + + const ClipRectangle& top = mClipStack.top(); + + x += top.xOffset; + y += top.yOffset; + + if(!top.isPointInRect(x,y)) + return; + + if (mAlpha) + { + SDLputPixelAlpha(mTarget, x, y, mColor); + } + else + { + SDLputPixel(mTarget, x, y, mColor); + } + } + + void SDLGraphics::drawHLine(int x1, int y, int x2) + { + if (mClipStack.empty()) + { + throw GCN_EXCEPTION("Clip stack is empty, perhaps you called a draw funtion outside of _beginDraw() and _endDraw()?"); + } + + const ClipRectangle& top = mClipStack.top(); + + x1 += top.xOffset; + y += top.yOffset; + x2 += top.xOffset; + + if (y < top.y || y >= top.y + top.height) + { + return; + } + + if (x1 > x2) + { + x1 ^= x2; + x2 ^= x1; + x1 ^= x2; + } + + if (top.x > x1) + { + if (top.x > x2) + { + return; + } + + x1 = top.x; + } + + if (top.x + top.width <= x2) + { + if (top.x + top.width <= x1) + { + return; + } + + x2 = top.x + top.width -1; + } + + int bpp = mTarget->format->BytesPerPixel; + + SDL_LockSurface(mTarget); + + Uint8 *p = (Uint8 *)mTarget->pixels + y * mTarget->pitch + x1 * bpp; + + Uint32 pixel = SDL_MapRGB(mTarget->format, + mColor.r, + mColor.g, + mColor.b); + switch(bpp) + { + case 1: + for (;x1 <= x2; ++x1) + { + *(p++) = pixel; + } + break; + + case 2: + { + Uint16* q = (Uint16*)p; + for (;x1 <= x2; ++x1) + { + *(q++) = pixel; + } + break; + } + case 3: + if(SDL_BYTEORDER == SDL_BIG_ENDIAN) + { + for (;x1 <= x2; ++x1) + { + p[0] = (pixel >> 16) & 0xff; + p[1] = (pixel >> 8) & 0xff; + p[2] = pixel & 0xff; + p += 3; + } + } + else + { + for (;x1 <= x2; ++x1) + { + p[0] = pixel & 0xff; + p[1] = (pixel >> 8) & 0xff; + p[2] = (pixel >> 16) & 0xff; + p += 3; + } + } + break; + + case 4: + { + Uint32* q = (Uint32*)p; + for (;x1 <= x2; ++x1) + { + if (mAlpha) + { + *q = SDLAlpha32(pixel,*q,mColor.a); + q++; + } + else + { + *(q++) = pixel; + } + } + break; + } + + } // end switch + + SDL_UnlockSurface(mTarget); + } + + void SDLGraphics::drawVLine(int x, int y1, int y2) + { + if (mClipStack.empty()) + { + throw GCN_EXCEPTION("Clip stack is empty, perhaps you called a draw funtion outside of _beginDraw() and _endDraw()?"); + } + + const ClipRectangle& top = mClipStack.top(); + + x += top.xOffset; + y1 += top.yOffset; + y2 += top.yOffset; + + if (x < top.x || x >= top.x + top.width) + { + return; + } + + if (y1 > y2) + { + y1 ^= y2; + y2 ^= y1; + y1 ^= y2; + } + + if (top.y > y1) + { + if (top.y > y2) + { + return; + } + + y1 = top.y; + } + + if (top.y + top.height <= y2) + { + if (top.y + top.height <= y1) + { + return; + } + + y2 = top.y + top.height - 1; + } + + int bpp = mTarget->format->BytesPerPixel; + + SDL_LockSurface(mTarget); + + Uint8 *p = (Uint8 *)mTarget->pixels + y1 * mTarget->pitch + x * bpp; + + Uint32 pixel = SDL_MapRGB(mTarget->format, mColor.r, mColor.g, mColor.b); + + switch(bpp) + { + case 1: + for (;y1 <= y2; ++y1) + { + *p = pixel; + p += mTarget->pitch; + } + break; + + case 2: + for (;y1 <= y2; ++y1) + { + *(Uint16*)p = pixel; + p += mTarget->pitch; + } + break; + + case 3: + if(SDL_BYTEORDER == SDL_BIG_ENDIAN) + { + for (;y1 <= y2; ++y1) + { + p[0] = (pixel >> 16) & 0xff; + p[1] = (pixel >> 8) & 0xff; + p[2] = pixel & 0xff; + p += mTarget->pitch; + } + } + else + { + for (;y1 <= y2; ++y1) + { + p[0] = pixel & 0xff; + p[1] = (pixel >> 8) & 0xff; + p[2] = (pixel >> 16) & 0xff; + p += mTarget->pitch; + } + } + break; + + case 4: + for (;y1 <= y2; ++y1) + { + if (mAlpha) + { + *(Uint32*)p = SDLAlpha32(pixel,*(Uint32*)p,mColor.a); + } + else + { + *(Uint32*)p = pixel; + } + p += mTarget->pitch; + } + break; + + } // end switch + + SDL_UnlockSurface(mTarget); + } + + void SDLGraphics::drawRectangle(const Rectangle& rectangle) + { + int x1 = rectangle.x; + int x2 = rectangle.x + rectangle.width - 1; + int y1 = rectangle.y; + int y2 = rectangle.y + rectangle.height - 1; + + drawHLine(x1, y1, x2); + drawHLine(x1, y2, x2); + + drawVLine(x1, y1, y2); + drawVLine(x2, y1, y2); + } + + void SDLGraphics::drawLine(int x1, int y1, int x2, int y2) + { + if (x1 == x2) + { + drawVLine(x1, y1, y2); + return; + } + if (y1 == y2) + { + drawHLine(x1, y1, x2); + return; + } + + if (mClipStack.empty()) + { + throw GCN_EXCEPTION("Clip stack is empty, perhaps you called a draw funtion outside of _beginDraw() and _endDraw()?"); + } + + const ClipRectangle& top = mClipStack.top(); + + x1 += top.xOffset; + y1 += top.yOffset; + x2 += top.xOffset; + y2 += top.yOffset; + + // Draw a line with Bresenham + + int dx = ABS(x2 - x1); + int dy = ABS(y2 - y1); + + if (dx > dy) + { + if (x1 > x2) + { + // swap x1, x2 + x1 ^= x2; + x2 ^= x1; + x1 ^= x2; + + // swap y1, y2 + y1 ^= y2; + y2 ^= y1; + y1 ^= y2; + } + + if (y1 < y2) + { + int y = y1; + int p = 0; + + for (int x = x1; x <= x2; x++) + { + if (top.isPointInRect(x, y)) + { + if (mAlpha) + { + SDLputPixelAlpha(mTarget, x, y, mColor); + } + else + { + SDLputPixel(mTarget, x, y, mColor); + } + } + + p += dy; + + if (p * 2 >= dx) + { + y++; + p -= dx; + } + } + } + else + { + int y = y1; + int p = 0; + + for (int x = x1; x <= x2; x++) + { + if (top.isPointInRect(x, y)) + { + if (mAlpha) + { + SDLputPixelAlpha(mTarget, x, y, mColor); + } + else + { + SDLputPixel(mTarget, x, y, mColor); + } + } + + p += dy; + + if (p * 2 >= dx) + { + y--; + p -= dx; + } + } + } + } + else + { + if (y1 > y2) + { + // swap y1, y2 + y1 ^= y2; + y2 ^= y1; + y1 ^= y2; + + // swap x1, x2 + x1 ^= x2; + x2 ^= x1; + x1 ^= x2; + } + + if (x1 < x2) + { + int x = x1; + int p = 0; + + for (int y = y1; y <= y2; y++) + { + if (top.isPointInRect(x, y)) + { + if (mAlpha) + { + SDLputPixelAlpha(mTarget, x, y, mColor); + } + else + { + SDLputPixel(mTarget, x, y, mColor); + } + } + + p += dx; + + if (p * 2 >= dy) + { + x++; + p -= dy; + } + } + } + else + { + int x = x1; + int p = 0; + + for (int y = y1; y <= y2; y++) + { + if (top.isPointInRect(x, y)) + { + if (mAlpha) + { + SDLputPixelAlpha(mTarget, x, y, mColor); + } + else + { + SDLputPixel(mTarget, x, y, mColor); + } + } + + p += dx; + + if (p * 2 >= dy) + { + x--; + p -= dy; + } + } + } + } + } + + void SDLGraphics::setColor(const Color& color) + { + mColor = color; + + mAlpha = color.a != 255; + } + + const Color& SDLGraphics::getColor() const + { + return mColor; + } + + void SDLGraphics::drawSDLSurface(SDL_Surface* surface, + SDL_Rect source, + SDL_Rect destination) + { + if (mClipStack.empty()) + { + throw GCN_EXCEPTION("Clip stack is empty, perhaps you called a draw funtion outside of _beginDraw() and _endDraw()?"); + } + + const ClipRectangle& top = mClipStack.top(); + + destination.x += top.xOffset; + destination.y += top.yOffset; + + SDL_BlitSurface(surface, &source, mTarget, &destination); + } +} diff --git a/src/guichan/sdl/sdlgraphics.hpp b/src/guichan/sdl/sdlgraphics.hpp new file mode 100644 index 000000000..70a234d33 --- /dev/null +++ b/src/guichan/sdl/sdlgraphics.hpp @@ -0,0 +1,156 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_SDLGRAPHICS_HPP +#define GCN_SDLGRAPHICS_HPP + +#include "SDL.h" + +#include "guichan/color.hpp" +#include "guichan/graphics.hpp" +#include "guichan/platform.hpp" + +namespace gcn +{ + class Image; + class Rectangle; + + /** + * SDL implementation of the Graphics. + */ + class GCN_EXTENSION_DECLSPEC SDLGraphics : public Graphics + { + public: + + // Needed so that drawImage(gcn::Image *, int, int) is visible. + using Graphics::drawImage; + + /** + * Constructor. + */ + SDLGraphics(); + + /** + * Sets the target SDL_Surface to draw to. The target can be any + * SDL_Surface. This funtion also pushes a clip areas corresponding to + * the dimension of the target. + * + * @param target the target to draw to. + */ + virtual void setTarget(SDL_Surface* target); + + /** + * Gets the target SDL_Surface. + * + * @return the target SDL_Surface. + */ + virtual SDL_Surface* getTarget() const; + + /** + * Draws an SDL_Surface on the target surface. Normaly you'll + * use drawImage, but if you want to write SDL specific code + * this function might come in handy. + * + * NOTE: The clip areas will be taken into account. + */ + virtual void drawSDLSurface(SDL_Surface* surface, + SDL_Rect source, + SDL_Rect destination); + + + // Inherited from Graphics + + virtual void _beginDraw(); + + virtual void _endDraw(); + + virtual bool pushClipArea(Rectangle area); + + virtual void popClipArea(); + + virtual void drawImage(const Image* image, + int srcX, + int srcY, + int dstX, + int dstY, + int width, + int height); + + virtual void drawPoint(int x, int y); + + virtual void drawLine(int x1, int y1, int x2, int y2); + + virtual void drawRectangle(const Rectangle& rectangle); + + virtual void fillRectangle(const Rectangle& rectangle); + + virtual void setColor(const Color& color); + + virtual const Color& getColor() const; + + protected: + /** + * Draws a horizontal line. + * + * @param x1 the start coordinate of the line. + * @param y the y coordinate of the line. + * @param x2 the end coordinate of the line. + */ + virtual void drawHLine(int x1, int y, int x2); + + /** + * Draws a vertical line. + * + * @param x the x coordinate of the line. + * @param y1 the start coordinate of the line. + * @param y2 the end coordinate of the line. + */ + virtual void drawVLine(int x, int y1, int y2); + + SDL_Surface* mTarget; + Color mColor; + bool mAlpha; + }; +} + +#endif // end GCN_SDLGRAPHICS_HPP diff --git a/src/guichan/sdl/sdlimage.cpp b/src/guichan/sdl/sdlimage.cpp new file mode 100644 index 000000000..cab5effdb --- /dev/null +++ b/src/guichan/sdl/sdlimage.cpp @@ -0,0 +1,185 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/sdl/sdlimage.hpp" + +#include "guichan/exception.hpp" +#include "guichan/sdl/sdlpixel.hpp" + +namespace gcn +{ + SDLImage::SDLImage(SDL_Surface* surface, bool autoFree) + { + mAutoFree = autoFree; + mSurface = surface; + } + + SDLImage::~SDLImage() + { + if (mAutoFree) + { + free(); + } + } + + SDL_Surface* SDLImage::getSurface() const + { + return mSurface; + } + + int SDLImage::getWidth() const + { + if (mSurface == NULL) + { + throw GCN_EXCEPTION("Trying to get the width of a non loaded image."); + } + + return mSurface->w; + } + + int SDLImage::getHeight() const + { + if (mSurface == NULL) + { + throw GCN_EXCEPTION("Trying to get the height of a non loaded image."); + } + + return mSurface->h; + } + + Color SDLImage::getPixel(int x, int y) + { + if (mSurface == NULL) + { + throw GCN_EXCEPTION("Trying to get a pixel from a non loaded image."); + } + + return SDLgetPixel(mSurface, x, y); + } + + void SDLImage::putPixel(int x, int y, const Color& color) + { + if (mSurface == NULL) + { + throw GCN_EXCEPTION("Trying to put a pixel in a non loaded image."); + } + + SDLputPixel(mSurface, x, y, color); + } + + void SDLImage::convertToDisplayFormat() + { + if (mSurface == NULL) + { + throw GCN_EXCEPTION("Trying to convert a non loaded image to display format."); + } + + int i; + bool hasPink = false; + bool hasAlpha = false; + + for (i = 0; i < mSurface->w * mSurface->h; ++i) + { + if (((unsigned int*)mSurface->pixels)[i] == SDL_MapRGB(mSurface->format,255,0,255)) + { + hasPink = true; + break; + } + } + + for (i = 0; i < mSurface->w * mSurface->h; ++i) + { + Uint8 r, g, b, a; + + SDL_GetRGBA(((unsigned int*)mSurface->pixels)[i], mSurface->format, + &r, &g, &b, &a); + + if (a != 255) + { + hasAlpha = true; + break; + } + } + + SDL_Surface *tmp; + + if (hasAlpha) + { + tmp = SDL_DisplayFormatAlpha(mSurface); + SDL_FreeSurface(mSurface); + mSurface = NULL; + } + else + { + tmp = SDL_DisplayFormat(mSurface); + SDL_FreeSurface(mSurface); + mSurface = NULL; + } + + if (tmp == NULL) + { + throw GCN_EXCEPTION("Unable to convert image to display format."); + } + + if (hasPink) + { + SDL_SetColorKey(tmp, SDL_SRCCOLORKEY, + SDL_MapRGB(tmp->format,255,0,255)); + } + if (hasAlpha) + { + SDL_SetAlpha(tmp, SDL_SRCALPHA, 255); + } + + mSurface = tmp; + } + + void SDLImage::free() + { + SDL_FreeSurface(mSurface); + } +} diff --git a/src/guichan/sdl/sdlimage.hpp b/src/guichan/sdl/sdlimage.hpp new file mode 100644 index 000000000..4d226177e --- /dev/null +++ b/src/guichan/sdl/sdlimage.hpp @@ -0,0 +1,107 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_SDLIMAGE_HPP +#define GCN_SDLIMAGE_HPP + +#include "SDL.h" + +#include <string> + +#include "guichan/color.hpp" +#include "guichan/platform.hpp" +#include "guichan/image.hpp" + +namespace gcn +{ + /** + * SDL implementation of Image. + */ + class GCN_EXTENSION_DECLSPEC SDLImage : public Image + { + public: + /** + * Constructor. Load an image from an SDL surface. + * + * NOTE: The functions getPixel and putPixel are only guaranteed to work + * before an image has been converted to display format. + * + * @param surface the surface from which to load. + * @param autoFree true if the surface should automatically be deleted. + */ + SDLImage(SDL_Surface* surface, bool autoFree); + + /** + * Destructor. + */ + virtual ~SDLImage(); + + /** + * Gets the SDL surface for the image. + * + * @return the SDL surface for the image. + */ + virtual SDL_Surface* getSurface() const; + + + // Inherited from Image + + virtual void free(); + + virtual int getWidth() const; + + virtual int getHeight() const; + + virtual Color getPixel(int x, int y); + + virtual void putPixel(int x, int y, const Color& color); + + virtual void convertToDisplayFormat(); + + protected: + SDL_Surface* mSurface; + bool mAutoFree; + }; +} + +#endif // end GCN_SDLIMAGE_HPP diff --git a/src/guichan/sdl/sdlpixel.hpp b/src/guichan/sdl/sdlpixel.hpp new file mode 100644 index 000000000..49686ebc1 --- /dev/null +++ b/src/guichan/sdl/sdlpixel.hpp @@ -0,0 +1,260 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_SDLPIXEL_HPP +#define GCN_SDLPIXEL_HPP + +#include "SDL.h" +#include "guichan/color.hpp" + +namespace gcn +{ + + /** + * Checks a pixels color of an SDL_Surface. + * + * @param surface an SDL_Surface where to check for a pixel color. + * @param x the x coordinate on the surface. + * @param y the y coordinate on the surface. + * @return a color of a pixel. + */ + inline const Color SDLgetPixel(SDL_Surface* surface, int x, int y) + { + int bpp = surface->format->BytesPerPixel; + + SDL_LockSurface(surface); + + Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp; + + unsigned int color = 0; + + switch(bpp) + { + case 1: + color = *p; + break; + + case 2: + color = *(Uint16 *)p; + break; + + case 3: + if(SDL_BYTEORDER == SDL_BIG_ENDIAN) + { + color = p[0] << 16 | p[1] << 8 | p[2]; + } + else + { + color = p[0] | p[1] << 8 | p[2] << 16; + } + break; + + case 4: + color = *(Uint32 *)p; + break; + + } + + unsigned char r,g,b,a; + + SDL_GetRGBA(color, surface->format, &r, &g, &b, &a); + SDL_UnlockSurface(surface); + + return Color(r,g,b,a); + } + + /** + * Puts a pixel on an SDL_Surface. + * + * @param x the x coordinate on the surface. + * @param y the y coordinate on the surface. + * @param color the color the pixel should be in. + */ + inline void SDLputPixel(SDL_Surface* surface, int x, int y, const Color& color) + { + int bpp = surface->format->BytesPerPixel; + + SDL_LockSurface(surface); + + Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp; + + Uint32 pixel = SDL_MapRGB(surface->format, color.r, color.g, color.b); + + switch(bpp) + { + case 1: + *p = pixel; + break; + + case 2: + *(Uint16 *)p = pixel; + break; + + case 3: + if(SDL_BYTEORDER == SDL_BIG_ENDIAN) + { + p[0] = (pixel >> 16) & 0xff; + p[1] = (pixel >> 8) & 0xff; + p[2] = pixel & 0xff; + } + else + { + p[0] = pixel & 0xff; + p[1] = (pixel >> 8) & 0xff; + p[2] = (pixel >> 16) & 0xff; + } + break; + + case 4: + *(Uint32 *)p = pixel; + break; + } + + SDL_UnlockSurface(surface); + } + + /** + * Blends two 32 bit colors together. + * + * @param src the source color. + * @param dst the destination color. + * @param a alpha. + */ + inline unsigned int SDLAlpha32(unsigned int src, unsigned int dst, unsigned char a) + { + unsigned int b = ((src & 0xff) * a + (dst & 0xff) * (255 - a)) >> 8; + unsigned int g = ((src & 0xff00) * a + (dst & 0xff00) * (255 - a)) >> 8; + unsigned int r = ((src & 0xff0000) * a + (dst & 0xff0000) * (255 - a)) >> 8; + + return (b & 0xff) | (g & 0xff00) | (r & 0xff0000); + } + + /** + * Blends two 16 bit colors together. + * + * @param src the source color. + * @param dst the destination color. + * @param a alpha. + */ + inline unsigned short SDLAlpha16(unsigned short src, unsigned short dst, unsigned char a, const SDL_PixelFormat *f) + { + unsigned int b = ((src & f->Rmask) * a + (dst & f->Rmask) * (255 - a)) >> 8; + unsigned int g = ((src & f->Gmask) * a + (dst & f->Gmask) * (255 - a)) >> 8; + unsigned int r = ((src & f->Bmask) * a + (dst & f->Bmask) * (255 - a)) >> 8; + + return (unsigned short)((b & f->Rmask) | (g & f->Gmask) | (r & f->Bmask)); + } + + /* + typedef struct{ + SDL_Palette *palette; + Uint8 BitsPerPixel; + Uint8 BytesPerPixel; + Uint32 Rmask, Gmask, Bmask, Amask; + Uint8 Rshift, Gshift, Bshift, Ashift; + Uint8 Rloss, Gloss, Bloss, Aloss; + Uint32 colorkey; + Uint8 alpha; + } SDL_PixelFormat; + */ + + /** + * Puts a pixel on an SDL_Surface with alpha + * + * @param x the x coordinate on the surface. + * @param y the y coordinate on the surface. + * @param color the color the pixel should be in. + */ + inline void SDLputPixelAlpha(SDL_Surface* surface, int x, int y, const Color& color) + { + int bpp = surface->format->BytesPerPixel; + + SDL_LockSurface(surface); + + Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp; + + Uint32 pixel = SDL_MapRGB(surface->format, color.r, color.g, color.b); + + switch(bpp) + { + case 1: + *p = pixel; + break; + + case 2: + *(Uint16 *)p = SDLAlpha16(pixel, *(Uint32 *)p, color.a, surface->format); + break; + + case 3: + if(SDL_BYTEORDER == SDL_BIG_ENDIAN) + { + unsigned int r = (p[0] * (255 - color.a) + color.r * color.a) >> 8; + unsigned int g = (p[1] * (255 - color.a) + color.g * color.a) >> 8; + unsigned int b = (p[2] * (255 - color.a) + color.b * color.a) >> 8; + + p[2] = b; + p[1] = g; + p[0] = r; + } + else + { + unsigned int r = (p[2] * (255 - color.a) + color.r * color.a) >> 8; + unsigned int g = (p[1] * (255 - color.a) + color.g * color.a) >> 8; + unsigned int b = (p[0] * (255 - color.a) + color.b * color.a) >> 8; + + p[0] = b; + p[1] = g; + p[2] = r; + } + break; + + case 4: + *(Uint32 *)p = SDLAlpha32(pixel, *(Uint32 *)p, color.a); + break; + } + + SDL_UnlockSurface(surface); + } +} + +#endif // end GCN_SDLPIXEL_HPP |