1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2013 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/>.
*/
#ifdef USE_SDL2
#include "resources/sdl2imagehelper.h"
#include "resources/dye.h"
#include "resources/resourcemanager.h"
#include "client.h"
#include "logger.h"
#include "main.h"
#include "resources/image.h"
#include <SDL_image.h>
#include "debug.h"
bool SDLImageHelper::mEnableAlphaCache = false;
#ifdef USE_SDL2
SDL_Renderer *SDLImageHelper::mRenderer = nullptr;
#endif
Image *SDLImageHelper::load(SDL_RWops *const rw, Dye const &dye) const
{
SDL_Surface *const tmpImage = loadPng(rw);
if (!tmpImage)
{
logger->log("Error, image load failed: %s", IMG_GetError());
return nullptr;
}
SDL_PixelFormat rgba;
rgba.palette = nullptr;
rgba.BitsPerPixel = 32;
rgba.BytesPerPixel = 4;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
rgba.Rmask = 0x000000FF;
rgba.Gmask = 0x0000FF00;
rgba.Bmask = 0x00FF0000;
rgba.Amask = 0xFF000000;
#else
rgba.Rmask = 0xFF000000;
rgba.Gmask = 0x00FF0000;
rgba.Bmask = 0x0000FF00;
rgba.Amask = 0x000000FF;
#endif
SDL_Surface *const surf = SDL_ConvertSurface(
tmpImage, &rgba, SDL_SWSURFACE);
SDL_FreeSurface(tmpImage);
uint32_t *pixels = static_cast<uint32_t *>(surf->pixels);
const int type = dye.getType();
switch (type)
{
case 1:
{
const DyePalette *const pal = dye.getSPalete();
if (pal)
pal->replaceSColor(pixels, surf->w * surf->h);
break;
}
case 2:
{
const DyePalette *const pal = dye.getAPalete();
if (pal)
pal->replaceAColor(pixels, surf->w * surf->h);
break;
}
case 0:
default:
{
dye.normalDye(pixels, surf->w * surf->h);
break;
}
}
Image *const image = load(surf);
SDL_FreeSurface(surf);
return image;
}
Image *SDLImageHelper::load(SDL_Surface *const tmpImage) const
{
return _SDLload(tmpImage);
}
Image *SDLImageHelper::createTextSurface(SDL_Surface *const tmpImage,
const int width A_UNUSED,
const int height A_UNUSED,
const float alpha) const
{
if (!tmpImage)
return nullptr;
Image *const img = _SDLload(tmpImage);
if (img)
img->setAlpha(alpha);
return img;
}
SDL_Surface* SDLImageHelper::SDLDuplicateSurface(SDL_Surface *const tmpImage)
{
if (!tmpImage || !tmpImage->format)
return nullptr;
return SDL_ConvertSurface(tmpImage, tmpImage->format, SDL_SWSURFACE);
}
Image *SDLImageHelper::_SDLload(SDL_Surface *tmpImage) const
{
if (!tmpImage)
return nullptr;
SDL_Texture *const texture = SDL_CreateTextureFromSurface(
mRenderer, tmpImage);
if (!texture)
return nullptr;
SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
return new Image(texture, tmpImage->w, tmpImage->h);
}
int SDLImageHelper::useOpenGL() const
{
return 0;
}
SDL_Surface *SDLImageHelper::create32BitSurface(int width, int height) const
{
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
const int rmask = 0xff000000;
const int gmask = 0x00ff0000;
const int bmask = 0x0000ff00;
const int amask = 0x000000ff;
#else
const int rmask = 0x000000ff;
const int gmask = 0x0000ff00;
const int bmask = 0x00ff0000;
const int amask = 0xff000000;
#endif
return SDL_CreateRGBSurface(SDL_SWSURFACE,
width, height, 32, rmask, gmask, bmask, amask);
}
int SDLImageHelper::combineSurface(SDL_Surface *const src,
SDL_Rect *const srcrect,
SDL_Surface *const dst,
SDL_Rect *const dstrect)
{
SDL_SetSurfaceBlendMode (src, SDL_BLENDMODE_BLEND);
SDL_BlitSurface(src, srcrect, dst, dstrect);
return 1;
}
#endif // USE_SDL2
|
