Move textchunk into separate file.

1 files changed, 165 insertions, 0 deletions

diff --git a/src/gui/fonts/textchunk.cpp b/src/gui/fonts/textchunk.cpp
new file mode 100644
index 000000000..632dfaf7b
--- /dev/null
+++ b/src/gui/fonts/textchunk.cpp
@@ -0,0 +1,165 @@
+/*
+ *  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) 2011-2014  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 "resources/image.h"
+#include "resources/surfaceimagehelper.h"
+
+#include "utils/delete2.h"
+#include "utils/stringutils.h"
+
+#include "debug.h"
+
+namespace
+{
+    const int OUTLINE_SIZE = 1;
+}  // namespace
+
+char *strBuf = nullptr;
+
+#ifdef UNITTESTS
+int sdlTextChunkCnt = 0;
+#endif
+
+TextChunk::TextChunk(const std::string &text0, const Color &color0,
+                     const Color &color1) :
+    img(nullptr),
+    text(text0),
+    color(color0),
+    color2(color1),
+    prev(nullptr),
+    next(nullptr)
+{
+#ifdef UNITTESTS
+    sdlTextChunkCnt ++;
+#endif
+}
+
+TextChunk::~TextChunk()
+{
+    delete2(img);
+#ifdef UNITTESTS
+    sdlTextChunkCnt --;
+#endif
+}
+
+bool TextChunk::operator==(const TextChunk &chunk) const
+{
+    return (chunk.text == text && chunk.color == color
+            && chunk.color2 == color2);
+}
+
+void TextChunk::generate(TTF_Font *const font, const float alpha)
+{
+    BLOCK_START("TextChunk::generate")
+    SDL_Color sdlCol;
+    sdlCol.b = static_cast<uint8_t>(color.b);
+    sdlCol.r = static_cast<uint8_t>(color.r);
+    sdlCol.g = static_cast<uint8_t>(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 = static_cast<uint8_t>(color2.b);
+        sdlCol2.r = static_cast<uint8_t>(color2.r);
+        sdlCol2.g = static_cast<uint8_t>(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")
+}