1 |
|
|
/* |
2 |
|
|
* The ManaPlus Client |
3 |
|
|
* Copyright (C) 2004-2009 The Mana World Development Team |
4 |
|
|
* Copyright (C) 2009-2010 The Mana Developers |
5 |
|
|
* Copyright (C) 2011-2018 The ManaPlus Developers |
6 |
|
|
* |
7 |
|
|
* This file is part of The ManaPlus Client. |
8 |
|
|
* |
9 |
|
|
* This program is free software; you can redistribute it and/or modify |
10 |
|
|
* it under the terms of the GNU General Public License as published by |
11 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
12 |
|
|
* any later version. |
13 |
|
|
* |
14 |
|
|
* This program is distributed in the hope that it will be useful, |
15 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 |
|
|
* GNU General Public License for more details. |
18 |
|
|
* |
19 |
|
|
* You should have received a copy of the GNU General Public License |
20 |
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
21 |
|
|
*/ |
22 |
|
|
|
23 |
|
|
#ifndef USE_SDL2 |
24 |
|
|
|
25 |
|
|
#include "resources/sdlimagehelper.h" |
26 |
|
|
|
27 |
|
|
#include "resources/dye/dye.h" |
28 |
|
|
#include "resources/dye/dyepalette.h" |
29 |
|
|
|
30 |
|
|
#include "resources/image/image.h" |
31 |
|
|
|
32 |
|
|
#include "utils/checkutils.h" |
33 |
|
|
#include "utils/sdlcheckutils.h" |
34 |
|
|
|
35 |
|
|
#include "localconsts.h" |
36 |
|
|
|
37 |
|
|
#if SDL_BYTEORDER == SDL_LIL_ENDIAN |
38 |
|
|
#include "resources/sdlgfxblitfunc.h" |
39 |
|
|
#else // SDL_BYTEORDER == SDL_LIL_ENDIAN |
40 |
|
|
PRAGMA48(GCC diagnostic push) |
41 |
|
|
PRAGMA48(GCC diagnostic ignored "-Wshadow") |
42 |
|
|
#include <SDL_gfxBlitFunc.h> |
43 |
|
|
PRAGMA48(GCC diagnostic pop) |
44 |
|
|
#endif // SDL_BYTEORDER == SDL_LIL_ENDIAN |
45 |
|
|
|
46 |
|
|
#ifndef SDL_BIG_ENDIAN |
47 |
|
|
#error missing SDL_endian.h |
48 |
|
|
#endif // SDL_BYTEORDER |
49 |
|
|
|
50 |
|
|
#include "debug.h" |
51 |
|
|
|
52 |
|
|
bool SDLImageHelper::mEnableAlphaCache = false; |
53 |
|
|
|
54 |
|
5 |
Image *SDLImageHelper::load(SDL_RWops *const rw, Dye const &dye) |
55 |
|
|
{ |
56 |
|
5 |
SDL_Surface *const tmpImage = loadPng(rw); |
57 |
✗✓ |
5 |
if (tmpImage == nullptr) |
58 |
|
|
{ |
59 |
|
|
reportAlways("Error, image load failed: %s", |
60 |
|
|
SDL_GetError()); |
61 |
|
|
return nullptr; |
62 |
|
|
} |
63 |
|
|
|
64 |
|
|
SDL_PixelFormat rgba; |
65 |
|
5 |
rgba.palette = nullptr; |
66 |
|
5 |
rgba.BitsPerPixel = 32; |
67 |
|
5 |
rgba.BytesPerPixel = 4; |
68 |
|
5 |
rgba.colorkey = 0; |
69 |
|
5 |
rgba.alpha = 255; |
70 |
|
5 |
rgba.Rloss = 0; |
71 |
|
5 |
rgba.Gloss = 0; |
72 |
|
5 |
rgba.Bloss = 0; |
73 |
|
5 |
rgba.Aloss = 0; |
74 |
|
|
|
75 |
|
|
#if SDL_BYTEORDER == SDL_BIG_ENDIAN |
76 |
|
|
rgba.Rmask = 0x000000FF; |
77 |
|
|
rgba.Rshift = 24; |
78 |
|
|
rgba.Gmask = 0x0000FF00; |
79 |
|
|
rgba.Gshift = 16; |
80 |
|
|
rgba.Bmask = 0x00FF0000; |
81 |
|
|
rgba.Bshift = 8; |
82 |
|
|
rgba.Amask = 0xFF000000; |
83 |
|
|
rgba.Ashift = 0; |
84 |
|
|
#else // SDL_BYTEORDER == SDL_BIG_ENDIAN |
85 |
|
|
|
86 |
|
5 |
rgba.Rmask = 0xFF000000; |
87 |
|
5 |
rgba.Rshift = 0; |
88 |
|
5 |
rgba.Gmask = 0x00FF0000; |
89 |
|
5 |
rgba.Gshift = 8; |
90 |
|
5 |
rgba.Bmask = 0x0000FF00; |
91 |
|
5 |
rgba.Bshift = 16; |
92 |
|
5 |
rgba.Amask = 0x000000FF; |
93 |
|
5 |
rgba.Ashift = 24; |
94 |
|
|
#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN |
95 |
|
|
|
96 |
|
|
// +++ here is bug on ppc64le |
97 |
|
5 |
SDL_Surface *const surf = MSDL_ConvertSurface( |
98 |
|
|
tmpImage, &rgba, SDL_SWSURFACE); |
99 |
|
|
|
100 |
|
5 |
MSDL_FreeSurface(tmpImage); |
101 |
✓✗ |
5 |
if (surf == nullptr) |
102 |
|
|
return nullptr; |
103 |
|
|
|
104 |
|
5 |
uint32_t *pixels = static_cast<uint32_t *>(surf->pixels); |
105 |
|
5 |
const int type = dye.getType(); |
106 |
|
|
|
107 |
✓✓✓ |
5 |
switch (type) |
108 |
|
|
{ |
109 |
|
|
case 1: |
110 |
|
|
{ |
111 |
|
3 |
const DyePalette *const pal = dye.getSPalete(); |
112 |
✓✗ |
3 |
if (pal != nullptr) |
113 |
✗✓ |
3 |
DYEPALETTEP(pal, SColor)(pixels, surf->w * surf->h); |
114 |
|
|
break; |
115 |
|
|
} |
116 |
|
|
case 2: |
117 |
|
|
{ |
118 |
|
1 |
const DyePalette *const pal = dye.getAPalete(); |
119 |
✓✗ |
1 |
if (pal != nullptr) |
120 |
✗✓ |
1 |
DYEPALETTEP(pal, AColor)(pixels, surf->w * surf->h); |
121 |
|
|
break; |
122 |
|
|
} |
123 |
|
|
case 0: |
124 |
|
|
default: |
125 |
|
|
{ |
126 |
|
1 |
dye.normalDye(pixels, surf->w * surf->h); |
127 |
|
|
break; |
128 |
|
|
} |
129 |
|
|
} |
130 |
|
|
|
131 |
|
5 |
Image *const image = loadSurface(surf); |
132 |
|
5 |
MSDL_FreeSurface(surf); |
133 |
|
|
return image; |
134 |
|
|
} |
135 |
|
|
|
136 |
|
1611 |
Image *SDLImageHelper::loadSurface(SDL_Surface *const tmpImage) |
137 |
|
|
{ |
138 |
|
1616 |
return _SDLload(tmpImage); |
139 |
|
|
} |
140 |
|
|
|
141 |
|
244 |
Image *SDLImageHelper::createTextSurface(SDL_Surface *const tmpImage, |
142 |
|
|
const int width A_UNUSED, |
143 |
|
|
const int height A_UNUSED, |
144 |
|
|
const float alpha) |
145 |
|
|
{ |
146 |
✓✗ |
244 |
if (tmpImage == nullptr) |
147 |
|
|
return nullptr; |
148 |
|
|
|
149 |
|
244 |
bool hasAlpha = false; |
150 |
|
244 |
const size_t sz = tmpImage->w * tmpImage->h; |
151 |
|
|
|
152 |
|
|
// The alpha channel to be filled with alpha values |
153 |
|
244 |
uint8_t *alphaChannel = new uint8_t[sz]; |
154 |
|
|
|
155 |
|
244 |
const SDL_PixelFormat *const fmt = tmpImage->format; |
156 |
✓✗ |
244 |
if (fmt->Amask != 0U) |
157 |
|
|
{ |
158 |
✓✓ |
837688 |
for (size_t i = 0; i < sz; ++ i) |
159 |
|
|
{ |
160 |
|
418722 |
uint32_t c = (static_cast<uint32_t*>(tmpImage->pixels))[i]; |
161 |
|
|
|
162 |
|
418722 |
const unsigned v = (c & fmt->Amask) >> fmt->Ashift; |
163 |
|
418722 |
const uint8_t a = static_cast<uint8_t>((v << fmt->Aloss) |
164 |
|
418722 |
+ (v >> (8 - (fmt->Aloss << 1)))); |
165 |
|
|
|
166 |
|
|
const uint8_t a2 = CAST_U8( |
167 |
|
418722 |
static_cast<float>(a) * alpha); |
168 |
|
|
|
169 |
|
418722 |
c &= ~fmt->Amask; |
170 |
|
418722 |
c |= ((a2 >> fmt->Aloss) << fmt->Ashift & fmt->Amask); |
171 |
|
418722 |
(static_cast<uint32_t*>(tmpImage->pixels))[i] = c; |
172 |
|
|
|
173 |
✓✓ |
418722 |
if (a != 255) |
174 |
|
356181 |
hasAlpha = true; |
175 |
|
|
|
176 |
|
418722 |
alphaChannel[i] = a; |
177 |
|
|
} |
178 |
|
|
} |
179 |
|
|
|
180 |
|
|
SDL_Surface *image; |
181 |
|
|
|
182 |
|
|
// Convert the surface to the current display format |
183 |
✓✗ |
244 |
if (hasAlpha) |
184 |
|
|
{ |
185 |
|
244 |
image = MSDL_DisplayFormatAlpha(tmpImage); |
186 |
|
|
} |
187 |
|
|
else |
188 |
|
|
{ |
189 |
|
|
image = MSDL_DisplayFormat(tmpImage); |
190 |
|
|
|
191 |
|
|
// We also delete the alpha channel since |
192 |
|
|
// it's not used. |
193 |
|
|
delete [] alphaChannel; |
194 |
|
|
alphaChannel = nullptr; |
195 |
|
|
} |
196 |
|
|
|
197 |
✗✓ |
244 |
if (image == nullptr) |
198 |
|
|
{ |
199 |
|
|
reportAlways("Error: Image convert failed."); |
200 |
|
|
delete [] alphaChannel; |
201 |
|
|
return nullptr; |
202 |
|
|
} |
203 |
|
|
|
204 |
✓✗ |
244 |
Image *const img = new Image(image, hasAlpha, alphaChannel); |
205 |
|
244 |
img->mAlpha = alpha; |
206 |
|
244 |
return img; |
207 |
|
|
} |
208 |
|
|
|
209 |
|
2 |
SDL_Surface* SDLImageHelper::SDLDuplicateSurface(SDL_Surface *const tmpImage) |
210 |
|
|
{ |
211 |
✓✗✓✗
|
2 |
if ((tmpImage == nullptr) || (tmpImage->format == nullptr)) |
212 |
|
|
return nullptr; |
213 |
|
|
|
214 |
|
2 |
return MSDL_ConvertSurface(tmpImage, tmpImage->format, SDL_SWSURFACE); |
215 |
|
|
} |
216 |
|
|
|
217 |
|
1616 |
Image *SDLImageHelper::_SDLload(SDL_Surface *tmpImage) |
218 |
|
|
{ |
219 |
✓✗ |
1616 |
if (tmpImage == nullptr) |
220 |
|
|
return nullptr; |
221 |
|
|
|
222 |
|
1616 |
bool hasAlpha = false; |
223 |
|
1616 |
bool converted = false; |
224 |
|
|
|
225 |
✗✓ |
1616 |
if (tmpImage->format->BitsPerPixel != 32) |
226 |
|
|
{ |
227 |
|
|
reportAlways("Non 32 bit image detected"); |
228 |
|
|
tmpImage = convertTo32Bit(tmpImage); |
229 |
|
|
|
230 |
|
|
if (tmpImage == nullptr) |
231 |
|
|
return nullptr; |
232 |
|
|
converted = true; |
233 |
|
|
} |
234 |
|
|
|
235 |
|
1616 |
const size_t sz = tmpImage->w * tmpImage->h; |
236 |
|
|
|
237 |
|
|
// The alpha channel to be filled with alpha values |
238 |
|
1616 |
uint8_t *alphaChannel = new uint8_t[sz]; |
239 |
|
|
|
240 |
|
|
// Figure out whether the image uses its alpha layer |
241 |
✓✗ |
1616 |
if (tmpImage->format->palette == nullptr) |
242 |
|
|
{ |
243 |
|
1616 |
const SDL_PixelFormat *const fmt = tmpImage->format; |
244 |
✓✗ |
1616 |
if (fmt->Amask != 0U) |
245 |
|
|
{ |
246 |
|
1616 |
const uint32_t amask = fmt->Amask; |
247 |
|
1616 |
const uint8_t ashift = fmt->Ashift; |
248 |
|
1616 |
const uint8_t aloss = fmt->Aloss; |
249 |
|
1616 |
const uint32_t *pixels = static_cast<uint32_t*>(tmpImage->pixels); |
250 |
✓✓ |
132264334 |
for (size_t i = 0; i < sz; ++ i) |
251 |
|
|
{ |
252 |
|
132262718 |
const unsigned v = (pixels[i] & amask) >> ashift; |
253 |
|
132262718 |
const uint8_t a = static_cast<uint8_t>((v << aloss) |
254 |
|
132262718 |
+ (v >> (8 - (aloss << 1)))); |
255 |
|
|
|
256 |
✓✓ |
132262718 |
if (a != 255) |
257 |
|
128229319 |
hasAlpha = true; |
258 |
|
|
|
259 |
|
132262718 |
alphaChannel[i] = a; |
260 |
|
|
} |
261 |
|
|
} |
262 |
|
|
else |
263 |
|
|
{ |
264 |
|
|
ifconstexpr (SDL_ALPHA_OPAQUE != 255) |
265 |
|
|
{ |
266 |
|
|
hasAlpha = true; |
267 |
|
|
memset(alphaChannel, SDL_ALPHA_OPAQUE, sz); |
268 |
|
|
} |
269 |
|
|
} |
270 |
|
|
} |
271 |
|
|
else |
272 |
|
|
{ |
273 |
|
|
ifconstexpr (SDL_ALPHA_OPAQUE != 255) |
274 |
|
|
{ |
275 |
|
|
hasAlpha = true; |
276 |
|
|
memset(alphaChannel, SDL_ALPHA_OPAQUE, sz); |
277 |
|
|
} |
278 |
|
|
} |
279 |
|
|
|
280 |
|
|
SDL_Surface *image; |
281 |
|
|
|
282 |
|
|
// Convert the surface to the current display format |
283 |
✓✓ |
1616 |
if (hasAlpha) |
284 |
|
|
{ |
285 |
|
1615 |
image = MSDL_DisplayFormatAlpha(tmpImage); |
286 |
|
|
} |
287 |
|
|
else |
288 |
|
|
{ |
289 |
|
1 |
image = MSDL_DisplayFormat(tmpImage); |
290 |
|
|
|
291 |
|
|
// We also delete the alpha channel since |
292 |
|
|
// it's not used. |
293 |
✓✗ |
1 |
delete [] alphaChannel; |
294 |
|
|
alphaChannel = nullptr; |
295 |
|
|
} |
296 |
|
|
|
297 |
✗✓ |
1616 |
if (image == nullptr) |
298 |
|
|
{ |
299 |
|
|
reportAlways("Error: Image convert failed."); |
300 |
|
|
delete [] alphaChannel; |
301 |
|
|
return nullptr; |
302 |
|
|
} |
303 |
|
|
|
304 |
|
|
if (converted) |
305 |
|
|
MSDL_FreeSurface(tmpImage); |
306 |
✓✗ |
1616 |
return new Image(image, hasAlpha, alphaChannel); |
307 |
|
|
} |
308 |
|
|
|
309 |
|
661 |
int SDLImageHelper::combineSurface(SDL_Surface *restrict const src, |
310 |
|
|
SDL_Rect *restrict const srcrect, |
311 |
|
|
SDL_Surface *restrict const dst, |
312 |
|
|
SDL_Rect *restrict const dstrect) |
313 |
|
|
{ |
314 |
|
|
#if SDL_BYTEORDER == SDL_LIL_ENDIAN |
315 |
|
661 |
return SDLgfxBlitRGBA(src, srcrect, dst, dstrect); |
316 |
|
|
#else // SDL_BYTEORDER == SDL_LIL_ENDIAN |
317 |
|
|
|
318 |
|
|
return SDL_gfxBlitRGBA(src, srcrect, dst, dstrect); |
319 |
|
|
#endif // SDL_BYTEORDER == SDL_LIL_ENDIAN |
320 |
|
|
} |
321 |
|
|
|
322 |
|
|
void SDLImageHelper::copySurfaceToImage(const Image *const image, |
323 |
|
|
const int x, const int y, |
324 |
|
|
SDL_Surface *const surface) const |
325 |
|
|
{ |
326 |
|
|
if ((image == nullptr) || (surface == nullptr)) |
327 |
|
|
return; |
328 |
|
|
|
329 |
|
|
SDL_SetAlpha(surface, 0, SDL_ALPHA_OPAQUE); |
330 |
|
|
SDL_Rect rect = |
331 |
|
|
{ |
332 |
|
|
CAST_S16(x), CAST_S16(y), |
333 |
|
|
CAST_U16(surface->w), static_cast<uint16_t>(surface->h) |
334 |
|
|
}; |
335 |
|
|
|
336 |
|
|
SDL_BlitSurface(surface, nullptr, image->mSDLSurface, &rect); |
337 |
|
|
} |
338 |
|
|
|
339 |
|
|
#endif // USE_SDL2 |