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/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2009 Aethyra Development Team
* Copyright (C) 2011-2016 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* 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
* 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 "gui/fonts/textchunk.h"
#include "sdlshared.h"
#include "gui/fonts/font.h"
#include "resources/image.h"
#include "resources/surfaceimagehelper.h"
#include "utils/delete2.h"
#include "utils/sdlcheckutils.h"
#include "utils/stringutils.h"
#include "debug.h"
namespace
{
const int OUTLINE_SIZE = 1;
} // namespace
char *restrict strBuf = nullptr;
#ifdef UNITTESTS
int textChunkCnt = 0;
#endif
TextChunk::TextChunk() :
img(nullptr),
textFont(nullptr),
text(),
color(),
color2(),
prev(nullptr),
next(nullptr)
{
#ifdef UNITTESTS
textChunkCnt ++;
#endif
}
TextChunk::TextChunk(const std::string &restrict text0,
const Color &restrict color0,
const Color &restrict color1,
Font *restrict const font) :
img(nullptr),
textFont(font),
text(text0),
color(color0),
color2(color1),
prev(nullptr),
next(nullptr)
{
#ifdef UNITTESTS
textChunkCnt ++;
#endif
}
TextChunk::~TextChunk()
{
delete2(img);
#ifdef UNITTESTS
textChunkCnt --;
#endif
}
bool TextChunk::operator==(const TextChunk &restrict chunk) const
{
return (chunk.text == text && chunk.color == color
&& chunk.color2 == color2);
}
void TextChunk::generate(TTF_Font *restrict const font,
const float alpha)
{
BLOCK_START("TextChunk::generate")
SDL_Color sdlCol;
sdlCol.b = CAST_U8(color.b);
sdlCol.r = CAST_U8(color.r);
sdlCol.g = CAST_U8(color.g);
#ifdef USE_SDL2
sdlCol.a = 255;
#else
sdlCol.unused = 0;
#endif
getSafeUtf8String(text, strBuf);
SDL_Surface *surface = MTTF_RenderUTF8_Blended(
font, strBuf, sdlCol);
if (!surface)
{
img = nullptr;
BLOCK_END("TextChunk::generate")
return;
}
const int width = surface->w;
const int height = surface->h;
if (color.r != color2.r || color.g != color2.g
|| color.b != color2.b)
{ // outlining
SDL_Color sdlCol2;
SDL_Surface *const background = imageHelper->create32BitSurface(
width, height);
if (!background)
{
img = nullptr;
MSDL_FreeSurface(surface);
BLOCK_END("TextChunk::generate")
return;
}
sdlCol2.b = CAST_U8(color2.b);
sdlCol2.r = CAST_U8(color2.r);
sdlCol2.g = CAST_U8(color2.g);
#ifdef USE_SDL2
sdlCol2.a = 255;
#else
sdlCol2.unused = 0;
#endif
SDL_Surface *const surface2 = MTTF_RenderUTF8_Blended(
font, strBuf, sdlCol2);
if (!surface2)
{
img = nullptr;
MSDL_FreeSurface(surface);
BLOCK_END("TextChunk::generate")
return;
}
SDL_Rect rect =
{
OUTLINE_SIZE,
0,
static_cast<Uint16>(surface->w),
static_cast<Uint16>(surface->h)
};
SurfaceImageHelper::combineSurface(surface2, nullptr,
background, &rect);
rect.x = -OUTLINE_SIZE;
SurfaceImageHelper::combineSurface(surface2, nullptr,
background, &rect);
rect.x = 0;
rect.y = -OUTLINE_SIZE;
SurfaceImageHelper::combineSurface(surface2, nullptr,
background, &rect);
rect.y = OUTLINE_SIZE;
SurfaceImageHelper::combineSurface(surface2, nullptr,
background, &rect);
rect.x = 0;
rect.y = 0;
SurfaceImageHelper::combineSurface(surface, nullptr,
background, &rect);
MSDL_FreeSurface(surface);
MSDL_FreeSurface(surface2);
surface = background;
}
img = imageHelper->createTextSurface(
surface, width, height, alpha);
MSDL_FreeSurface(surface);
BLOCK_END("TextChunk::generate")
}
void TextChunk::deleteImage()
{
if (textFont)
{
textFont->insertChunk(this);
img = nullptr;
}
else
{
delete2(img);
}
}
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