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Added TTF support to Guichan library

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This commit is contained in:
pelya
2013-12-03 22:20:34 +02:00
parent 41825b30e4
commit 7f0c344e5a
3 changed files with 329 additions and 2 deletions
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4
project/jni/guichan/Android.mk
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@@ -7,7 +7,7 @@ LOCAL_MODULE := guichan
APP_SUBDIRS := $(patsubst $(LOCAL_PATH)/%, %, $(shell find $(LOCAL_PATH)/src -type d))
LOCAL_C_INCLUDES := $(LOCAL_PATH) $(LOCAL_PATH)/../sdl-$(SDL_VERSION)/include $(LOCAL_PATH)/include \
$(LOCAL_PATH)/../sdl_image/include
$(LOCAL_PATH)/../sdl_image/include $(LOCAL_PATH)/../sdl_ttf/include
LOCAL_CFLAGS := -DHAVE_CONFIG_H -D_GNU_SOURCE=1 -D_REENTRANT -fexceptions -frtti
LOCAL_CPP_EXTENSION := .cpp
@@ -16,7 +16,7 @@ LOCAL_SRC_FILES := $(foreach F, $(APP_SUBDIRS), $(addprefix $(F)/,$(notdir $(wil
LOCAL_SRC_FILES += $(foreach F, $(APP_SUBDIRS), $(addprefix $(F)/,$(notdir $(wildcard $(LOCAL_PATH)/$(F)/*.c))))
LOCAL_SHARED_LIBRARIES := sdl-$(SDL_VERSION)
LOCAL_SHARED_LIBRARIES += sdl_image
LOCAL_SHARED_LIBRARIES += sdl_image sdl_ttf
LOCAL_STATIC_LIBRARIES :=

156
project/jni/guichan/include/guichan/contrib/sdl/sdltruetypefont.hpp Normal file
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@@ -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_CONTRIB_SDLTRUETYPEFONT_HPP
#define GCN_CONTRIB_SDLTRUETYPEFONT_HPP
#include <map>
#include <string>
#include <SDL/SDL_ttf.h>
#include "guichan/font.hpp"
#include "guichan/platform.hpp"
namespace gcn
{
class Graphics;
namespace contrib
{
/**
* SDL True Type Font implementation of Font. It uses the SDL_ttf library
* to display True Type Fonts with SDL.
*
* NOTE: You must initialize the SDL_ttf library before using this
* class. Also, remember to call the SDL_ttf libraries quit
* function.
*
* @author Walluce Pinkham
* @author Olof Naessén
*/
class GCN_EXTENSION_DECLSPEC SDLTrueTypeFont: public Font
{
public:
/**
* Constructor.
*
* @param filename the filename of the True Type Font.
* @param size the size the font should be in.
*/
SDLTrueTypeFont (const std::string& filename, int size);
/**
* Destructor.
*/
virtual ~SDLTrueTypeFont();
/**
* Sets the spacing between rows in pixels. Default is 0 pixels.
* The spacing can be negative.
*
* @param spacing the spacing in pixels.
*/
virtual void setRowSpacing (int spacing);
/**
* Gets the spacing between rows in pixels.
*
* @return the spacing.
*/
virtual int getRowSpacing();
/**
* Sets the spacing between letters in pixels. Default is 0 pixels.
* The spacing can be negative.
*
* @param spacing the spacing in pixels.
*/
virtual void setGlyphSpacing(int spacing);
/**
* Gets the spacing between letters in pixels.
*
* @return the spacing.
*/
virtual int getGlyphSpacing();
/**
* Sets the use of anti aliasing..
*
* @param antaAlias true for use of antia aliasing.
*/
virtual void setAntiAlias(bool antiAlias);
/**
* Checks if anti aliasing is used.
*
* @return true if anti aliasing is used.
*/
virtual bool isAntiAlias();
// Inherited from Font
virtual int getWidth(const std::string& text) const;
virtual int getHeight() const;
virtual void drawString(Graphics* graphics, const std::string& text, int x, int y);
protected:
TTF_Font *mFont;
int mHeight;
int mGlyphSpacing;
int mRowSpacing;
std::string mFilename;
bool mAntiAlias;
};
}
}
#endif

171
project/jni/guichan/src/contrib/sdl/sdltruetypefont.cpp Normal file
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@@ -0,0 +1,171 @@
/* _______ __ __ __ ______ __ __ _______ __ __
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
*
* 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/contrib/sdl/sdltruetypefont.hpp"
#include "guichan/exception.hpp"
#include "guichan/image.hpp"
#include "guichan/graphics.hpp"
#include "guichan/sdl/sdlgraphics.hpp"
namespace gcn
{
namespace contrib
{
SDLTrueTypeFont::SDLTrueTypeFont (const std::string& filename, int size)
{
mRowSpacing = 0;
mGlyphSpacing = 0;
mAntiAlias = true;
mFilename = filename;
mFont = NULL;
mFont = TTF_OpenFont(filename.c_str(), size);
if (mFont == NULL)
{
throw GCN_EXCEPTION("SDLTrueTypeFont::SDLTrueTypeFont. "+std::string(TTF_GetError()));
}
}
SDLTrueTypeFont::~SDLTrueTypeFont()
{
TTF_CloseFont(mFont);
}
int SDLTrueTypeFont::getWidth(const std::string& text) const
{
int w, h;
TTF_SizeText(mFont, text.c_str(), &w, &h);
return w;
}
int SDLTrueTypeFont::getHeight() const
{
return TTF_FontHeight(mFont) + mRowSpacing;
}
void SDLTrueTypeFont::drawString(gcn::Graphics* graphics, const std::string& text, const int x, const int y)
{
if (text == "")
{
return;
}
gcn::SDLGraphics *sdlGraphics = dynamic_cast<gcn::SDLGraphics *>(graphics);
if (sdlGraphics == NULL)
{
throw GCN_EXCEPTION("SDLTrueTypeFont::drawString. Graphics object not an SDL graphics object!");
return;
}
// This is needed for drawing the Glyph in the middle if we have spacing
int yoffset = getRowSpacing() / 2;
Color col = sdlGraphics->getColor();
SDL_Color sdlCol;
sdlCol.b = col.b;
sdlCol.r = col.r;
sdlCol.g = col.g;
SDL_Surface *textSurface;
if (mAntiAlias)
{
textSurface = TTF_RenderText_Blended(mFont, text.c_str(), sdlCol);
}
else
{
textSurface = TTF_RenderText_Solid(mFont, text.c_str(), sdlCol);
}
SDL_Rect dst, src;
dst.x = x;
dst.y = y + yoffset;
src.w = textSurface->w;
src.h = textSurface->h;
src.x = 0;
src.y = 0;
sdlGraphics->drawSDLSurface(textSurface, src, dst);
SDL_FreeSurface(textSurface);
}
void SDLTrueTypeFont::setRowSpacing(int spacing)
{
mRowSpacing = spacing;
}
int SDLTrueTypeFont::getRowSpacing()
{
return mRowSpacing;
}
void SDLTrueTypeFont::setGlyphSpacing(int spacing)
{
mGlyphSpacing = spacing;
}
int SDLTrueTypeFont::getGlyphSpacing()
{
return mGlyphSpacing;
}
void SDLTrueTypeFont::setAntiAlias(bool antiAlias)
{
mAntiAlias = antiAlias;
}
bool SDLTrueTypeFont::isAntiAlias()
{
return mAntiAlias;
}
}
}