This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
surface.c
1
2
3
4
5
6
7
8
9
10
/**
* Automated SDL_Surface test.
*
* Written by Edgar Simo "bobbens"
*
* Released under Public Domain.
*/
#include "SDL.h"
11
12
#include "SDL_surface.h"
#include "SDL_video.h"
13
14
#include "SDL_at.h"
15
#include "common/common.h"
16
17
18
19
20
/*
* Pull in images for testcases.
*/
21
#include "common/images.h"
24
25
/*
* Prototypes.
27
28
29
30
31
32
33
/* Testcases. */
static void surface_testLoad( SDL_Surface *testsur );
static void surface_testPrimitives( SDL_Surface *testsur );
static void surface_testPrimitivesBlend( SDL_Surface *testsur );
static void surface_testBlit( SDL_Surface *testsur );
static int surface_testBlitBlendMode( SDL_Surface *testsur, SDL_Surface *face, int mode );
static void surface_testBlitBlend( SDL_Surface *testsur );
36
37
38
/**
* @brief Tests sprite loading.
*/
39
static void surface_testLoad( SDL_Surface *testsur )
42
SDL_Surface *face, *rface;
43
44
45
SDL_ATbegin( "Load Test" );
46
47
48
49
50
51
/* Clear surface. */
ret = SDL_FillRect( testsur, NULL,
SDL_MapRGB( testsur->format, 0, 0, 0 ) );
if (SDL_ATassert( "SDL_FillRect", ret == 0))
return;
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
/* Create the blit surface. */
face = SDL_LoadBMP("../icon.bmp");
if (SDL_ATassert( "SDL_CreateLoadBmp", face != NULL))
return;
/* Set transparent pixel as the pixel at (0,0) */
if (face->format->palette) {
ret = SDL_SetColorKey(face, (SDL_SRCCOLORKEY | SDL_RLEACCEL),
*(Uint8 *) face->pixels);
if (SDL_ATassert( "SDL_SetColorKey", ret == 0))
return;
}
/* Convert to 32 bit to compare. */
rface = SDL_ConvertSurface( face, testsur->format, 0 );
if (SDL_ATassert( "SDL_ConvertSurface", rface != NULL))
return;
/* See if it's the same. */
if (SDL_ATassert( "Primitives output not the same.",
surface_compare( rface, &img_face)==0 ))
return;
/* Clean up. */
SDL_FreeSurface( rface );
SDL_FreeSurface( face );
SDL_ATend();
}
83
84
85
/**
* @brief Tests the SDL primitives for rendering.
*/
86
static void surface_testPrimitives( SDL_Surface *testsur )
87
88
89
90
91
92
93
{
int ret;
int x, y;
SDL_Rect rect;
SDL_ATbegin( "Primitives Test" );
94
95
96
97
98
99
/* Clear surface. */
ret = SDL_FillRect( testsur, NULL,
SDL_MapRGB( testsur->format, 0, 0, 0 ) );
if (SDL_ATassert( "SDL_FillRect", ret == 0))
return;
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
/* Create the surface. */
testsur = SDL_CreateRGBSurface( 0, 80, 60, 32,
RMASK, GMASK, BMASK, AMASK );
if (SDL_ATassert( "SDL_CreateRGBSurface", testsur != NULL))
return;
/* Draw a rectangle. */
rect.x = 40;
rect.y = 0;
rect.w = 40;
rect.h = 80;
ret = SDL_FillRect( testsur, &rect,
SDL_MapRGB( testsur->format, 13, 73, 200 ) );
if (SDL_ATassert( "SDL_FillRect", ret == 0))
return;
/* Draw a rectangle. */
rect.x = 10;
rect.y = 10;
rect.w = 60;
rect.h = 40;
ret = SDL_FillRect( testsur, &rect,
SDL_MapRGB( testsur->format, 200, 0, 100 ) );
if (SDL_ATassert( "SDL_FillRect", ret == 0))
return;
/* Draw some points like so:
* X.X.X.X..
* .X.X.X.X.
* X.X.X.X.. */
for (y=0; y<3; y++) {
x = y % 2;
132
for (; x<80; x+=2) {
133
134
ret = SDL_DrawPoint( testsur, x, y,
SDL_MapRGB( testsur->format, x*y, x*y/2, x*y/3 ) );
135
136
137
if (SDL_ATassert( "SDL_DrawPoint", ret == 0))
return;
}
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
}
/* Draw some lines. */
ret = SDL_DrawLine( testsur, 0, 30, 80, 30,
SDL_MapRGB( testsur->format, 0, 255, 0 ) );
if (SDL_ATassert( "SDL_DrawLine", ret == 0))
return;
ret = SDL_DrawLine( testsur, 40, 30, 40, 60,
SDL_MapRGB( testsur->format, 55, 55, 5 ) );
if (SDL_ATassert( "SDL_DrawLine", ret == 0))
return;
ret = SDL_DrawLine( testsur, 0, 60, 80, 0,
SDL_MapRGB( testsur->format, 5, 105, 105 ) );
if (SDL_ATassert( "SDL_DrawLine", ret == 0))
return;
/* See if it's the same. */
if (SDL_ATassert( "Primitives output not the same.",
surface_compare( testsur, &img_primitives )==0 ))
return;
SDL_ATend();
}
163
164
165
/**
* @brief Tests the SDL primitives with alpha for rendering.
*/
166
static void surface_testPrimitivesBlend( SDL_Surface *testsur )
167
168
169
170
171
{
int ret;
int i, j;
SDL_Rect rect;
172
SDL_ATbegin( "Primitives Blend Test" );
174
175
176
177
/* Clear surface. */
ret = SDL_FillRect( testsur, NULL,
SDL_MapRGB( testsur->format, 0, 0, 0 ) );
if (SDL_ATassert( "SDL_FillRect", ret == 0))
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
/* Create some rectangles for each blend mode. */
ret = SDL_BlendRect( testsur, NULL, SDL_BLENDMODE_NONE, 255, 255, 255, 0 );
if (SDL_ATassert( "SDL_BlendRect", ret == 0))
return;
rect.x = 10;
rect.y = 25;
rect.w = 40;
rect.h = 25;
ret = SDL_BlendRect( testsur, &rect, SDL_BLENDMODE_ADD, 240, 10, 10, 75 );
if (SDL_ATassert( "SDL_BlendRect", ret == 0))
return;
rect.x = 30;
rect.y = 40;
rect.w = 45;
rect.h = 15;
ret = SDL_BlendRect( testsur, &rect, SDL_BLENDMODE_BLEND, 10, 240, 10, 100 );
if (SDL_ATassert( "SDL_BlendRect", ret == 0))
return;
rect.x = 25;
rect.y = 25;
rect.w = 25;
rect.h = 25;
ret = SDL_BlendRect( testsur, &rect, SDL_BLENDMODE_MOD, 10, 10, 240, 125 );
if (SDL_ATassert( "SDL_BlendRect", ret == 0))
return;
/* Draw blended lines, lines for everyone. */
for (i=0; i<testsur->w; i+=2) {
ret = SDL_BlendLine( testsur, 0, 0, i, 59,
(((i/2)%3)==0) ? SDL_BLENDMODE_BLEND :
(((i/2)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_MOD,
211
60+2*i, 240-2*i, 50, 3*i );
212
213
214
215
216
217
218
if (SDL_ATassert( "SDL_BlendLine", ret == 0))
return;
}
for (i=0; i<testsur->h; i+=2) {
ret = SDL_BlendLine( testsur, 0, 0, 79, i,
(((i/2)%3)==0) ? SDL_BLENDMODE_BLEND :
(((i/2)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_MOD,
219
60+2*i, 240-2*i, 50, 3*i );
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
if (SDL_ATassert( "SDL_BlendLine", ret == 0))
return;
}
/* Draw points. */
for (j=0; j<testsur->h; j+=3) {
for (i=0; i<testsur->w; i+=3) {
ret = SDL_BlendPoint( testsur, i, j,
((((i+j)/3)%3)==0) ? SDL_BLENDMODE_BLEND :
((((i+j)/3)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_MOD,
j*4, i*3, j*4, i*3 );
if (SDL_ATassert( "SDL_BlendPoint", ret == 0))
return;
}
}
/* See if it's the same. */
if (SDL_ATassert( "Primitives output not the same.",
surface_compare( testsur, &img_blend )==0 ))
return;
SDL_ATend();
}
245
246
247
/**
* @brief Tests some blitting routines.
*/
248
static void surface_testBlit( SDL_Surface *testsur )
249
250
251
{
int ret;
SDL_Rect rect;
252
SDL_Surface *face;
253
254
int i, j, ni, nj;
255
SDL_ATbegin( "Blit Tests" );
257
258
259
260
261
262
/* Clear surface. */
ret = SDL_FillRect( testsur, NULL,
SDL_MapRGB( testsur->format, 0, 0, 0 ) );
if (SDL_ATassert( "SDL_FillRect", ret == 0))
return;
263
/* Create face surface. */
264
265
266
267
268
269
270
271
272
face = SDL_CreateRGBSurfaceFrom( (void*)img_face.pixel_data,
img_face.width, img_face.height, 32, img_face.width*4,
RMASK, GMASK, BMASK, AMASK );
if (SDL_ATassert( "SDL_CreateRGBSurfaceFrom", face != NULL))
return;
/* Constant values. */
rect.w = face->w;
rect.h = face->h;
273
274
ni = testsur->w - face->w;
nj = testsur->h - face->h;
275
276
/* Loop blit. */
277
278
for (j=0; j <= nj; j+=4) {
for (i=0; i <= ni; i+=4) {
279
280
281
282
283
284
285
286
287
288
/* Blitting. */
rect.x = i;
rect.y = j;
ret = SDL_BlitSurface( face, NULL, testsur, &rect );
if (SDL_ATassert( "SDL_BlitSurface", ret == 0))
return;
}
}
/* See if it's the same. */
289
if (SDL_ATassert( "Blitting output not the same (normal blit).",
290
291
292
surface_compare( testsur, &img_blit )==0 ))
return;
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
/* Clear surface. */
ret = SDL_FillRect( testsur, NULL,
SDL_MapRGB( testsur->format, 0, 0, 0 ) );
if (SDL_ATassert( "SDL_FillRect", ret == 0))
return;
/* Test blitting with colour mod. */
for (j=0; j <= nj; j+=4) {
for (i=0; i <= ni; i+=4) {
/* Set colour mod. */
ret = SDL_SetSurfaceColorMod( face, (255/nj)*j, (255/ni)*i, (255/nj)*j );
if (SDL_ATassert( "SDL_SetSurfaceColorMod", ret == 0))
return;
/* Blitting. */
rect.x = i;
rect.y = j;
ret = SDL_BlitSurface( face, NULL, testsur, &rect );
if (SDL_ATassert( "SDL_BlitSurface", ret == 0))
return;
}
}
/* See if it's the same. */
if (SDL_ATassert( "Blitting output not the same (using SDL_SetSurfaceColorMod).",
surface_compare( testsur, &img_blitColour )==0 ))
return;
/* Clear surface. */
ret = SDL_FillRect( testsur, NULL,
SDL_MapRGB( testsur->format, 0, 0, 0 ) );
if (SDL_ATassert( "SDL_FillRect", ret == 0))
return;
/* Restore colour. */
ret = SDL_SetSurfaceColorMod( face, 255, 255, 255 );
if (SDL_ATassert( "SDL_SetSurfaceColorMod", ret == 0))
return;
/* Test blitting with colour mod. */
for (j=0; j <= nj; j+=4) {
for (i=0; i <= ni; i+=4) {
/* Set alpha mod. */
ret = SDL_SetSurfaceAlphaMod( face, (255/ni)*i );
if (SDL_ATassert( "SDL_SetSurfaceAlphaMod", ret == 0))
return;
/* Blitting. */
rect.x = i;
rect.y = j;
ret = SDL_BlitSurface( face, NULL, testsur, &rect );
if (SDL_ATassert( "SDL_BlitSurface", ret == 0))
return;
}
}
/* See if it's the same. */
if (SDL_ATassert( "Blitting output not the same (using SDL_SetSurfaceAlphaMod).",
surface_compare( testsur, &img_blitAlpha )==0 ))
return;
354
355
356
357
358
359
360
/* Clean up. */
SDL_FreeSurface( face );
SDL_ATend();
}
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
/**
* @brief Tests a blend mode.
*/
static int surface_testBlitBlendMode( SDL_Surface *testsur, SDL_Surface *face, int mode )
{
int ret;
int i, j, ni, nj;
SDL_Rect rect;
/* Clear surface. */
ret = SDL_FillRect( testsur, NULL,
SDL_MapRGB( testsur->format, 0, 0, 0 ) );
if (SDL_ATassert( "SDL_FillRect", ret == 0))
return 1;
/* Steps to take. */
ni = testsur->w - face->w;
nj = testsur->h - face->h;
/* Constant values. */
rect.w = face->w;
rect.h = face->h;
/* Test blend mode. */
for (j=0; j <= nj; j+=4) {
for (i=0; i <= ni; i+=4) {
/* Set blend mode. */
ret = SDL_SetSurfaceBlendMode( face, mode );
if (SDL_ATassert( "SDL_SetSurfaceBlendMode", ret == 0))
return 1;
/* Blitting. */
rect.x = i;
rect.y = j;
ret = SDL_BlitSurface( face, NULL, testsur, &rect );
if (SDL_ATassert( "SDL_BlitSurface", ret == 0))
return 1;
}
}
return 0;
}
405
406
407
/**
* @brief Tests some more blitting routines.
*/
408
static void surface_testBlitBlend( SDL_Surface *testsur )
409
410
411
{
int ret;
SDL_Rect rect;
412
SDL_Surface *face;
413
414
415
int i, j, ni, nj;
int mode;
416
SDL_ATbegin( "Blit Blending Tests" );
418
419
420
421
422
423
/* Clear surface. */
ret = SDL_FillRect( testsur, NULL,
SDL_MapRGB( testsur->format, 0, 0, 0 ) );
if (SDL_ATassert( "SDL_FillRect", ret == 0))
return;
424
425
426
427
428
429
430
/* Create the blit surface. */
face = SDL_CreateRGBSurfaceFrom( (void*)img_face.pixel_data,
img_face.width, img_face.height, 32, img_face.width*4,
RMASK, GMASK, BMASK, AMASK );
if (SDL_ATassert( "SDL_CreateRGBSurfaceFrom", face != NULL))
return;
431
432
433
434
/* Set alpha mod. */
ret = SDL_SetSurfaceAlphaMod( face, 100 );
if (SDL_ATassert( "SDL_SetSurfaceAlphaMod", ret == 0))
return;
436
437
438
439
440
441
442
443
/* Steps to take. */
ni = testsur->w - face->w;
nj = testsur->h - face->h;
/* Constant values. */
rect.w = face->w;
rect.h = face->h;
444
445
446
447
448
449
/* Test None. */
if (surface_testBlitBlendMode( testsur, face, SDL_BLENDMODE_NONE ))
return;
if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLENDMODE_NONE).",
surface_compare( testsur, &img_blendNone )==0 ))
return;
451
452
453
454
455
456
/* Test Mask. */
if (surface_testBlitBlendMode( testsur, face, SDL_BLENDMODE_MASK ))
return;
if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLENDMODE_MASK).",
surface_compare( testsur, &img_blendMask )==0 ))
return;
458
459
460
461
462
463
464
465
466
467
468
469
470
/* Test Blend. */
if (surface_testBlitBlendMode( testsur, face, SDL_BLENDMODE_BLEND ))
return;
if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLENDMODE_BLEND).",
surface_compare( testsur, &img_blendBlend )==0 ))
return;
/* Test Add. */
if (surface_testBlitBlendMode( testsur, face, SDL_BLENDMODE_ADD ))
return;
if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLENDMODE_ADD).",
surface_compare( testsur, &img_blendAdd )==0 ))
return;
472
473
474
475
476
477
478
479
480
481
482
483
/* Test Mod. */
if (surface_testBlitBlendMode( testsur, face, SDL_BLENDMODE_MOD ))
return;
if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLENDMODE_MOD).",
surface_compare( testsur, &img_blendMod )==0 ))
return;
/* Clear surface. */
ret = SDL_FillRect( testsur, NULL,
SDL_MapRGB( testsur->format, 0, 0, 0 ) );
if (SDL_ATassert( "SDL_FillRect", ret == 0))
return;
485
/* Loop blit. */
486
487
for (j=0; j <= nj; j+=4) {
for (i=0; i <= ni; i+=4) {
488
489
490
491
492
493
494
/* Set colour mod. */
ret = SDL_SetSurfaceColorMod( face, (255/nj)*j, (255/ni)*i, (255/nj)*j );
if (SDL_ATassert( "SDL_SetSurfaceColorMod", ret == 0))
return;
/* Set alpha mod. */
495
ret = SDL_SetSurfaceAlphaMod( face, (100/ni)*i );
496
497
498
499
if (SDL_ATassert( "SDL_SetSurfaceAlphaMod", ret == 0))
return;
/* Crazy blending mode magic. */
500
501
502
503
504
mode = (i/4*j/4) % 4;
if (mode==0) mode = SDL_BLENDMODE_MASK;
else if (mode==1) mode = SDL_BLENDMODE_BLEND;
else if (mode==2) mode = SDL_BLENDMODE_ADD;
else if (mode==3) mode = SDL_BLENDMODE_MOD;
505
506
507
508
509
510
511
512
513
514
515
516
517
ret = SDL_SetSurfaceBlendMode( face, mode );
if (SDL_ATassert( "SDL_SetSurfaceBlendMode", ret == 0))
return;
/* Blitting. */
rect.x = i;
rect.y = j;
ret = SDL_BlitSurface( face, NULL, testsur, &rect );
if (SDL_ATassert( "SDL_BlitSurface", ret == 0))
return;
}
}
518
519
520
521
/* Check to see if matches. */
if (SDL_ATassert( "Blitting blending output not the same (using SDL_BLEND_*).",
surface_compare( testsur, &img_blendAll )==0 ))
return;
522
523
524
525
526
527
528
529
/* Clean up. */
SDL_FreeSurface( face );
SDL_ATend();
}
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
/**
* @brief Runs all the tests on the surface.
*
* @param testsur Surface to run tests on.
*/
void surface_runTests( SDL_Surface *testsur )
{
/* Software surface blitting. */
surface_testPrimitives( testsur );
surface_testPrimitivesBlend( testsur );
surface_testBlit( testsur );
surface_testBlitBlend( testsur );
}
545
546
547
/**
* @brief Entry point.
*/
548
#ifdef TEST_STANDALONE
549
550
int main( int argc, const char *argv[] )
{
551
552
(void) argc;
(void) argv;
553
554
555
556
#else /* TEST_STANDALONE */
int test_surface (void)
{
#endif /* TEST_STANDALONE */
557
int ret;
558
SDL_Surface *testsur;
560
561
SDL_ATinit( "SDL_Surface" );
562
SDL_ATbegin( "Initializing" );
563
/* Initializes the SDL subsystems. */
564
565
566
567
568
569
570
571
572
573
574
575
ret = SDL_Init(0);
if (SDL_ATassert( "SDL_Init(0)", ret == 0))
goto err;
/* Now run on the video mode. */
ret = SDL_InitSubSystem( SDL_INIT_VIDEO );
if (SDL_ATassert( "SDL_InitSubSystem( SDL_INIT_VIDEO )", ret == 0))
goto err;
/*
* Surface on surface tests.
*/
576
577
578
579
/* Create the test surface. */
testsur = SDL_CreateRGBSurface( 0, 80, 60, 32,
RMASK, GMASK, BMASK, AMASK );
if (SDL_ATassert( "SDL_CreateRGBSurface", testsur != NULL))
580
goto err;
581
SDL_ATend();
582
/* Run surface on surface tests. */
583
surface_testLoad( testsur );
584
surface_runTests( testsur );
585
586
/* Clean up. */
SDL_FreeSurface( testsur );
587
588
589
590
/* Exit SDL. */
SDL_Quit();
591
return SDL_ATfinish();
592
593
err:
594
return SDL_ATfinish();