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) 2011-2019 The ManaPlus Developers |
6 |
|
|
* Copyright (C) 2019-2021 Andrei Karas |
7 |
|
|
* |
8 |
|
|
* This file is part of The ManaPlus Client. |
9 |
|
|
* |
10 |
|
|
* This program is free software; you can redistribute it and/or modify |
11 |
|
|
* it under the terms of the GNU General Public License as published by |
12 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
13 |
|
|
* any later version. |
14 |
|
|
* |
15 |
|
|
* This program is distributed in the hope that it will be useful, |
16 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 |
|
|
* GNU General Public License for more details. |
19 |
|
|
* |
20 |
|
|
* You should have received a copy of the GNU General Public License |
21 |
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
22 |
|
|
*/ |
23 |
|
|
|
24 |
|
|
#ifndef USE_SDL2 |
25 |
|
|
|
26 |
|
|
#include "resources/sdlimagehelper.h" |
27 |
|
|
|
28 |
|
|
#include "resources/dye/dye.h" |
29 |
|
|
#include "resources/dye/dyepalette.h" |
30 |
|
|
|
31 |
|
|
#include "resources/image/image.h" |
32 |
|
|
|
33 |
|
|
#include "utils/checkutils.h" |
34 |
|
|
#include "utils/sdlcheckutils.h" |
35 |
|
|
|
36 |
|
|
#include "localconsts.h" |
37 |
|
|
|
38 |
|
|
#if SDL_BYTEORDER == SDL_LIL_ENDIAN |
39 |
|
|
#include "resources/sdlgfxblitfunc.h" |
40 |
|
|
#else // SDL_BYTEORDER == SDL_LIL_ENDIAN |
41 |
|
|
PRAGMA48(GCC diagnostic push) |
42 |
|
|
PRAGMA48(GCC diagnostic ignored "-Wshadow") |
43 |
|
|
#include <SDL_gfxBlitFunc.h> |
44 |
|
|
PRAGMA48(GCC diagnostic pop) |
45 |
|
|
#endif // SDL_BYTEORDER == SDL_LIL_ENDIAN |
46 |
|
|
|
47 |
|
|
#ifndef SDL_BIG_ENDIAN |
48 |
|
|
#error missing SDL_endian.h |
49 |
|
|
#endif // SDL_BYTEORDER |
50 |
|
|
|
51 |
|
|
#include "debug.h" |
52 |
|
|
|
53 |
|
|
bool SDLImageHelper::mEnableAlphaCache = false; |
54 |
|
|
|
55 |
|
5 |
Image *SDLImageHelper::load(SDL_RWops *const rw, Dye const &dye) |
56 |
|
|
{ |
57 |
|
5 |
SDL_Surface *const tmpImage = loadPng(rw); |
58 |
✗✓ |
5 |
if (tmpImage == nullptr) |
59 |
|
|
{ |
60 |
|
|
reportAlways("Error, image load failed: %s", |
61 |
|
|
SDL_GetError()) |
62 |
|
|
return nullptr; |
63 |
|
|
} |
64 |
|
|
|
65 |
|
|
SDL_PixelFormat rgba; |
66 |
|
5 |
rgba.palette = nullptr; |
67 |
|
5 |
rgba.BitsPerPixel = 32; |
68 |
|
5 |
rgba.BytesPerPixel = 4; |
69 |
|
5 |
rgba.colorkey = 0; |
70 |
|
5 |
rgba.alpha = 255; |
71 |
|
5 |
rgba.Rloss = 0; |
72 |
|
5 |
rgba.Gloss = 0; |
73 |
|
5 |
rgba.Bloss = 0; |
74 |
|
5 |
rgba.Aloss = 0; |
75 |
|
|
|
76 |
|
|
#if SDL_BYTEORDER == SDL_BIG_ENDIAN |
77 |
|
|
rgba.Rmask = 0x000000FFU; |
78 |
|
|
rgba.Rshift = 24; |
79 |
|
|
rgba.Gmask = 0x0000FF00U; |
80 |
|
|
rgba.Gshift = 16; |
81 |
|
|
rgba.Bmask = 0x00FF0000U; |
82 |
|
|
rgba.Bshift = 8; |
83 |
|
|
rgba.Amask = 0xFF000000U; |
84 |
|
|
rgba.Ashift = 0; |
85 |
|
|
#else // SDL_BYTEORDER == SDL_BIG_ENDIAN |
86 |
|
|
|
87 |
|
5 |
rgba.Rmask = 0xFF000000U; |
88 |
|
5 |
rgba.Rshift = 0; |
89 |
|
5 |
rgba.Gmask = 0x00FF0000U; |
90 |
|
5 |
rgba.Gshift = 8; |
91 |
|
5 |
rgba.Bmask = 0x0000FF00U; |
92 |
|
5 |
rgba.Bshift = 16; |
93 |
|
5 |
rgba.Amask = 0x000000FFU; |
94 |
|
5 |
rgba.Ashift = 24; |
95 |
|
|
#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN |
96 |
|
|
|
97 |
|
|
// +++ here is bug on ppc64le |
98 |
|
5 |
SDL_Surface *const surf = MSDL_ConvertSurface( |
99 |
|
|
tmpImage, &rgba, SDL_SWSURFACE); |
100 |
|
|
|
101 |
|
5 |
MSDL_FreeSurface(tmpImage); |
102 |
✓✗ |
5 |
if (surf == nullptr) |
103 |
|
|
return nullptr; |
104 |
|
|
|
105 |
|
5 |
uint32_t *pixels = static_cast<uint32_t *>(surf->pixels); |
106 |
|
5 |
const int type = dye.getType(); |
107 |
|
|
|
108 |
✓✓✓ |
5 |
switch (type) |
109 |
|
|
{ |
110 |
|
|
case 1: |
111 |
|
|
{ |
112 |
|
3 |
const DyePalette *const pal = dye.getSPalete(); |
113 |
✓✗ |
3 |
if (pal != nullptr) |
114 |
✗✓ |
3 |
DYEPALETTEP(pal, SColor)(pixels, surf->w * surf->h); |
115 |
|
|
break; |
116 |
|
|
} |
117 |
|
|
case 2: |
118 |
|
|
{ |
119 |
|
1 |
const DyePalette *const pal = dye.getAPalete(); |
120 |
✓✗ |
1 |
if (pal != nullptr) |
121 |
✗✓ |
1 |
DYEPALETTEP(pal, AColor)(pixels, surf->w * surf->h); |
122 |
|
|
break; |
123 |
|
|
} |
124 |
|
|
case 0: |
125 |
|
|
default: |
126 |
|
|
{ |
127 |
|
1 |
dye.normalDye(pixels, surf->w * surf->h); |
128 |
|
|
break; |
129 |
|
|
} |
130 |
|
|
} |
131 |
|
|
|
132 |
|
5 |
Image *const image = loadSurface(surf); |
133 |
|
5 |
MSDL_FreeSurface(surf); |
134 |
|
|
return image; |
135 |
|
|
} |
136 |
|
|
|
137 |
|
1611 |
Image *SDLImageHelper::loadSurface(SDL_Surface *const tmpImage) |
138 |
|
|
{ |
139 |
|
1616 |
return _SDLload(tmpImage); |
140 |
|
|
} |
141 |
|
|
|
142 |
|
244 |
Image *SDLImageHelper::createTextSurface(SDL_Surface *const tmpImage, |
143 |
|
|
const int width A_UNUSED, |
144 |
|
|
const int height A_UNUSED, |
145 |
|
|
const float alpha) |
146 |
|
|
{ |
147 |
✓✗ |
244 |
if (tmpImage == nullptr) |
148 |
|
|
return nullptr; |
149 |
|
|
|
150 |
|
244 |
bool hasAlpha = false; |
151 |
|
244 |
const size_t sz = tmpImage->w * tmpImage->h; |
152 |
|
|
|
153 |
|
|
// The alpha channel to be filled with alpha values |
154 |
|
244 |
uint8_t *alphaChannel = new uint8_t[sz]; |
155 |
|
|
|
156 |
|
244 |
const SDL_PixelFormat *const fmt = tmpImage->format; |
157 |
✓✗ |
244 |
if (fmt->Amask != 0U) |
158 |
|
|
{ |
159 |
✓✓ |
837688 |
for (size_t i = 0; i < sz; ++ i) |
160 |
|
|
{ |
161 |
|
418722 |
uint32_t c = (static_cast<uint32_t*>(tmpImage->pixels))[i]; |
162 |
|
|
|
163 |
|
418722 |
const unsigned v = (c & fmt->Amask) >> fmt->Ashift; |
164 |
|
418722 |
const uint8_t a = static_cast<uint8_t>((v << fmt->Aloss) |
165 |
|
418722 |
+ (v >> (8 - (fmt->Aloss << 1)))); |
166 |
|
|
|
167 |
|
|
const uint8_t a2 = CAST_U8( |
168 |
|
418722 |
static_cast<float>(a) * alpha); |
169 |
|
|
|
170 |
|
418722 |
c &= ~fmt->Amask; |
171 |
|
418722 |
c |= ((a2 >> fmt->Aloss) << fmt->Ashift & fmt->Amask); |
172 |
|
418722 |
(static_cast<uint32_t*>(tmpImage->pixels))[i] = c; |
173 |
|
|
|
174 |
✓✓ |
418722 |
if (a != 255) |
175 |
|
356181 |
hasAlpha = true; |
176 |
|
|
|
177 |
|
418722 |
alphaChannel[i] = a; |
178 |
|
|
} |
179 |
|
|
} |
180 |
|
|
|
181 |
|
|
SDL_Surface *image; |
182 |
|
|
|
183 |
|
|
// Convert the surface to the current display format |
184 |
✓✗ |
244 |
if (hasAlpha) |
185 |
|
|
{ |
186 |
|
244 |
image = MSDL_DisplayFormatAlpha(tmpImage); |
187 |
|
|
} |
188 |
|
|
else |
189 |
|
|
{ |
190 |
|
|
image = MSDL_DisplayFormat(tmpImage); |
191 |
|
|
|
192 |
|
|
// We also delete the alpha channel since |
193 |
|
|
// it's not used. |
194 |
|
|
delete [] alphaChannel; |
195 |
|
|
alphaChannel = nullptr; |
196 |
|
|
} |
197 |
|
|
|
198 |
✗✓ |
244 |
if (image == nullptr) |
199 |
|
|
{ |
200 |
|
|
reportAlways("Error: Image convert failed.") |
201 |
|
|
delete [] alphaChannel; |
202 |
|
|
return nullptr; |
203 |
|
|
} |
204 |
|
|
|
205 |
✓✗ |
244 |
Image *const img = new Image(image, hasAlpha, alphaChannel); |
206 |
|
244 |
img->mAlpha = alpha; |
207 |
|
244 |
return img; |
208 |
|
|
} |
209 |
|
|
|
210 |
|
2 |
SDL_Surface* SDLImageHelper::SDLDuplicateSurface(SDL_Surface *const tmpImage) |
211 |
|
|
{ |
212 |
✓✗✓✗
|
2 |
if ((tmpImage == nullptr) || (tmpImage->format == nullptr)) |
213 |
|
|
return nullptr; |
214 |
|
|
|
215 |
|
2 |
return MSDL_ConvertSurface(tmpImage, tmpImage->format, SDL_SWSURFACE); |
216 |
|
|
} |
217 |
|
|
|
218 |
|
1616 |
Image *SDLImageHelper::_SDLload(SDL_Surface *tmpImage) |
219 |
|
|
{ |
220 |
✓✗ |
1616 |
if (tmpImage == nullptr) |
221 |
|
|
return nullptr; |
222 |
|
|
|
223 |
|
1616 |
bool hasAlpha = false; |
224 |
|
1616 |
bool converted = false; |
225 |
|
|
|
226 |
✗✓ |
1616 |
if (tmpImage->format->BitsPerPixel != 32) |
227 |
|
|
{ |
228 |
|
|
reportAlways("Non 32 bit image detected") |
229 |
|
|
tmpImage = convertTo32Bit(tmpImage); |
230 |
|
|
|
231 |
|
|
if (tmpImage == nullptr) |
232 |
|
|
return nullptr; |
233 |
|
|
converted = true; |
234 |
|
|
} |
235 |
|
|
|
236 |
|
1616 |
const size_t sz = tmpImage->w * tmpImage->h; |
237 |
|
|
|
238 |
|
|
// The alpha channel to be filled with alpha values |
239 |
|
1616 |
uint8_t *alphaChannel = new uint8_t[sz]; |
240 |
|
|
|
241 |
|
|
// Figure out whether the image uses its alpha layer |
242 |
✓✗ |
1616 |
if (tmpImage->format->palette == nullptr) |
243 |
|
|
{ |
244 |
|
1616 |
const SDL_PixelFormat *const fmt = tmpImage->format; |
245 |
✓✗ |
1616 |
if (fmt->Amask != 0U) |
246 |
|
|
{ |
247 |
|
1616 |
const uint32_t amask = fmt->Amask; |
248 |
|
1616 |
const uint8_t ashift = fmt->Ashift; |
249 |
|
1616 |
const uint8_t aloss = fmt->Aloss; |
250 |
|
1616 |
const uint32_t *pixels = static_cast<uint32_t*>(tmpImage->pixels); |
251 |
✓✓ |
132264334 |
for (size_t i = 0; i < sz; ++ i) |
252 |
|
|
{ |
253 |
|
132262718 |
const unsigned v = (pixels[i] & amask) >> ashift; |
254 |
|
132262718 |
const uint8_t a = static_cast<uint8_t>((v << aloss) |
255 |
|
132262718 |
+ (v >> (8 - (aloss << 1)))); |
256 |
|
|
|
257 |
✓✓ |
132262718 |
if (a != 255) |
258 |
|
128228135 |
hasAlpha = true; |
259 |
|
|
|
260 |
|
132262718 |
alphaChannel[i] = a; |
261 |
|
|
} |
262 |
|
|
} |
263 |
|
|
else |
264 |
|
|
{ |
265 |
|
|
ifconstexpr (SDL_ALPHA_OPAQUE != 255) |
266 |
|
|
{ |
267 |
|
|
hasAlpha = true; |
268 |
|
|
memset(alphaChannel, SDL_ALPHA_OPAQUE, sz); |
269 |
|
|
} |
270 |
|
|
} |
271 |
|
|
} |
272 |
|
|
else |
273 |
|
|
{ |
274 |
|
|
ifconstexpr (SDL_ALPHA_OPAQUE != 255) |
275 |
|
|
{ |
276 |
|
|
hasAlpha = true; |
277 |
|
|
memset(alphaChannel, SDL_ALPHA_OPAQUE, sz); |
278 |
|
|
} |
279 |
|
|
} |
280 |
|
|
|
281 |
|
|
SDL_Surface *image; |
282 |
|
|
|
283 |
|
|
// Convert the surface to the current display format |
284 |
✓✓ |
1616 |
if (hasAlpha) |
285 |
|
|
{ |
286 |
|
1615 |
image = MSDL_DisplayFormatAlpha(tmpImage); |
287 |
|
|
} |
288 |
|
|
else |
289 |
|
|
{ |
290 |
|
1 |
image = MSDL_DisplayFormat(tmpImage); |
291 |
|
|
|
292 |
|
|
// We also delete the alpha channel since |
293 |
|
|
// it's not used. |
294 |
✓✗ |
1 |
delete [] alphaChannel; |
295 |
|
|
alphaChannel = nullptr; |
296 |
|
|
} |
297 |
|
|
|
298 |
✗✓ |
1616 |
if (image == nullptr) |
299 |
|
|
{ |
300 |
|
|
reportAlways("Error: Image convert failed.") |
301 |
|
|
delete [] alphaChannel; |
302 |
|
|
return nullptr; |
303 |
|
|
} |
304 |
|
|
|
305 |
|
|
if (converted) |
306 |
|
|
MSDL_FreeSurface(tmpImage); |
307 |
✓✗ |
1616 |
return new Image(image, hasAlpha, alphaChannel); |
308 |
|
|
} |
309 |
|
|
|
310 |
|
661 |
int SDLImageHelper::combineSurface(SDL_Surface *restrict const src, |
311 |
|
|
SDL_Rect *restrict const srcrect, |
312 |
|
|
SDL_Surface *restrict const dst, |
313 |
|
|
SDL_Rect *restrict const dstrect) |
314 |
|
|
{ |
315 |
|
|
#if SDL_BYTEORDER == SDL_LIL_ENDIAN |
316 |
|
661 |
return SDLgfxBlitRGBA(src, srcrect, dst, dstrect); |
317 |
|
|
#else // SDL_BYTEORDER == SDL_LIL_ENDIAN |
318 |
|
|
|
319 |
|
|
return SDL_gfxBlitRGBA(src, srcrect, dst, dstrect); |
320 |
|
|
#endif // SDL_BYTEORDER == SDL_LIL_ENDIAN |
321 |
|
|
} |
322 |
|
|
|
323 |
|
|
void SDLImageHelper::copySurfaceToImage(const Image *const image, |
324 |
|
|
const int x, const int y, |
325 |
|
|
SDL_Surface *const surface) const |
326 |
|
|
{ |
327 |
|
|
if ((image == nullptr) || (surface == nullptr)) |
328 |
|
|
return; |
329 |
|
|
|
330 |
|
|
SDL_SetAlpha(surface, 0, SDL_ALPHA_OPAQUE); |
331 |
|
|
SDL_Rect rect = |
332 |
|
|
{ |
333 |
|
|
CAST_S16(x), CAST_S16(y), |
334 |
|
|
CAST_U16(surface->w), static_cast<uint16_t>(surface->h) |
335 |
|
|
}; |
336 |
|
|
|
337 |
|
|
SDL_BlitSurface(surface, nullptr, image->mSDLSurface, &rect); |
338 |
|
|
} |
339 |
|
|
|
340 |
|
|
#endif // USE_SDL2 |