-
Notifications
You must be signed in to change notification settings - Fork 16
/
video.c.m4
3320 lines (3021 loc) · 95.4 KB
/
video.c.m4
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
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
211
212
213
214
215
216
217
218
219
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
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
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
354
355
356
357
358
359
360
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
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* -*- mode: C -*- */
#include "rubysdl2_internal.h"
#include <SDL_video.h>
#include <SDL_version.h>
#include <SDL_render.h>
#include <SDL_messagebox.h>
#include <SDL_endian.h>
#include <ruby/encoding.h>
static VALUE cWindow;
static VALUE mWindowFlags;
static VALUE cDisplay;
static VALUE cDisplayMode;
static VALUE cRenderer;
static VALUE mRendererFlags;
static VALUE mBlendMode;
static VALUE cTexture;
static VALUE cRect;
static VALUE cPoint;
static VALUE cSurface;
static VALUE cRendererInfo;
static VALUE cPixelFormat; /* NOTE: This is related to SDL_PixelFormatEnum, not SDL_PixelFormat */
static VALUE mPixelType;
static VALUE mBitmapOrder;
static VALUE mPackedOrder;
static VALUE mArrayOrder;
static VALUE mPackedLayout;
static VALUE mScreenSaver;
static VALUE hash_windowid_to_window = Qnil;
struct Window;
struct Renderer;
struct Texture;
#ifdef DEBUG_GC
#define GC_LOG(args) fprintf args
#else
#define GC_LOG(args)
#endif
typedef struct Window {
SDL_Window* window;
int num_renderers;
int max_renderers;
struct Renderer** renderers;
} Window;
typedef struct Renderer {
SDL_Renderer* renderer;
int num_textures;
int max_textures;
struct Texture** textures;
int refcount;
} Renderer;
typedef struct Texture {
SDL_Texture* texture;
int refcount;
} Texture;
typedef struct Surface {
SDL_Surface* surface;
int need_to_free_pixels;
} Surface;
static void Renderer_free(Renderer*);
static void Window_destroy_internal(Window* w)
{
int i;
for (i=0; i<w->num_renderers; ++i)
Renderer_free(w->renderers[i]);
w->num_renderers = w->max_renderers = 0;
free(w->renderers);
w->renderers = NULL;
}
static void Window_free(Window* w)
{
GC_LOG((stderr, "Window free: %p\n", w));
Window_destroy_internal(w);
if (w->window && rubysdl2_is_active())
SDL_DestroyWindow(w->window);
free(w);
}
static VALUE Window_new(SDL_Window* window)
{
Window* w = ALLOC(Window);
w->window = window;
w->num_renderers = 0;
w->max_renderers = 4;
w->renderers = ALLOC_N(struct Renderer*, 4);
return Data_Wrap_Struct(cWindow, 0, Window_free, w);
}
DEFINE_GETTER(static, Window, cWindow, "SDL2::Window");
DEFINE_WRAP_GETTER(, SDL_Window, Window, window, "SDL2::Window");
DEFINE_DESTROY_P(static, Window, window);
static VALUE Display_new(int index)
{
VALUE display = rb_obj_alloc(cDisplay);
rb_iv_set(display, "@index", INT2NUM(index));
rb_iv_set(display, "@name", utf8str_new_cstr(SDL_GetDisplayName(index)));
return display;
}
static VALUE DisplayMode_s_allocate(VALUE klass)
{
SDL_DisplayMode* mode = ALLOC(SDL_DisplayMode);
mode->format = mode->w = mode->h = mode->refresh_rate = 0;
mode->driverdata = NULL;
return Data_Wrap_Struct(klass, 0, free, mode);
}
static VALUE DisplayMode_new(SDL_DisplayMode* mode)
{
VALUE display_mode = DisplayMode_s_allocate(cDisplayMode);
SDL_DisplayMode* m;
Data_Get_Struct(display_mode, SDL_DisplayMode, m);
*m = *mode;
return display_mode;
}
DEFINE_GETTER(static, SDL_DisplayMode, cDisplayMode, "SDL2::Display::Mode");
static void Texture_free(Texture*);
static void Renderer_destroy_internal(Renderer* r)
{
int i;
for (i=0; i<r->num_textures; ++i)
Texture_free(r->textures[i]);
free(r->textures);
r->textures = NULL;
r->max_textures = r->num_textures = 0;
if (r->renderer && rubysdl2_is_active()) {
SDL_DestroyRenderer(r->renderer);
}
r->renderer = NULL;
}
static void Renderer_free(Renderer* r)
{
GC_LOG((stderr, "Renderer free: %p (refcount=%d)\n", r, r->refcount));
Renderer_destroy_internal(r);
r->refcount--;
if (r->refcount == 0) {
free(r);
}
}
static void Window_attach_renderer(Window* w, Renderer* r)
{
if (w->num_renderers == w->max_renderers) {
w->max_renderers *= 2;
REALLOC_N(w->renderers, Renderer*, w->max_renderers);
}
w->renderers[w->num_renderers++] = r;
++r->refcount;
}
static VALUE Renderer_new(SDL_Renderer* renderer, Window* w)
{
Renderer* r = ALLOC(Renderer);
r->renderer = renderer;
r->num_textures = 0;
r->max_textures = 16;
r->textures = ALLOC_N(Texture*, 16);
r->refcount = 1;
Window_attach_renderer(w, r);
return Data_Wrap_Struct(cRenderer, 0, Renderer_free, r);
}
DEFINE_WRAPPER(SDL_Renderer, Renderer, renderer, cRenderer, "SDL2::Renderer");
static void Texture_destroy_internal(Texture* t)
{
if (t->texture && rubysdl2_is_active()) {
SDL_DestroyTexture(t->texture);
}
t->texture = NULL;
}
static void Texture_free(Texture* t)
{
GC_LOG((stderr, "Texture free: %p (refcount=%d)\n", t, t->refcount));
Texture_destroy_internal(t);
t->refcount--;
if (t->refcount == 0) {
free(t);
}
}
static void Renderer_attach_texture(Renderer* r, Texture* t)
{
if (r->max_textures == r->num_textures) {
r->max_textures *= 2;
REALLOC_N(r->textures, Texture*, r->max_textures);
}
r->textures[r->num_textures++] = t;
++t->refcount;
}
static VALUE Texture_new(SDL_Texture* texture, Renderer* r)
{
Texture* t = ALLOC(Texture);
t->texture = texture;
t->refcount = 1;
Renderer_attach_texture(r, t);
return Data_Wrap_Struct(cTexture, 0, Texture_free, t);
}
DEFINE_WRAPPER(SDL_Texture, Texture, texture, cTexture, "SDL2::Texture");
static void Surface_free(Surface* s)
{
GC_LOG((stderr, "Surface free: %p\n", s));
if (s->need_to_free_pixels)
free(s->surface->pixels);
if (s->surface && rubysdl2_is_active())
SDL_FreeSurface(s->surface);
free(s);
}
VALUE Surface_new(SDL_Surface* surface)
{
Surface* s = ALLOC(Surface);
s->surface = surface;
s->need_to_free_pixels = 0;
return Data_Wrap_Struct(cSurface, 0, Surface_free, s);
}
DEFINE_WRAPPER(SDL_Surface, Surface, surface, cSurface, "SDL2::Surface");
DEFINE_GETTER(, SDL_Rect, cRect, "SDL2::Rect");
DEFINE_GETTER(static, SDL_Point, cPoint, "SDL2::Point");
static VALUE PixelFormat_new(Uint32 format)
{
VALUE fmt = UINT2NUM(format);
return rb_class_new_instance(1, &fmt, cPixelFormat);
}
static VALUE RendererInfo_new(SDL_RendererInfo* info)
{
VALUE rinfo = rb_obj_alloc(cRendererInfo);
VALUE texture_formats = rb_ary_new();
unsigned int i;
rb_iv_set(rinfo, "@name", rb_usascii_str_new_cstr(info->name));
rb_iv_set(rinfo, "@texture_formats", texture_formats);
for (i=0; i<info->num_texture_formats; ++i)
rb_ary_push(texture_formats, PixelFormat_new(info->texture_formats[i]));
rb_iv_set(rinfo, "@max_texture_width", INT2NUM(info->max_texture_width));
rb_iv_set(rinfo, "@max_texture_height", INT2NUM(info->max_texture_height));
return rinfo;
}
SDL_Color Array_to_SDL_Color(VALUE ary)
{
SDL_Color color;
VALUE a;
if (ary == Qnil) {
color.r = color.g = color.b = 0; color.a = 255;
return color;
}
Check_Type(ary, T_ARRAY);
if (RARRAY_LEN(ary) != 3 && RARRAY_LEN(ary) != 4)
rb_raise(rb_eArgError, "wrong number of Array elements (%ld for 3 or 4)",
RARRAY_LEN(ary));
color.r = NUM2UCHAR(rb_ary_entry(ary, 0));
color.g = NUM2UCHAR(rb_ary_entry(ary, 1));
color.b = NUM2UCHAR(rb_ary_entry(ary, 2));
a = rb_ary_entry(ary, 3);
if (a == Qnil)
color.a = 255;
else
color.a = NUM2UCHAR(a);
return color;
}
/*
* Get the names of all video drivers.
*
* You can use the name as an argument of {.video_init}.
*
* @return [Array<String>]
*/
static VALUE SDL2_s_video_drivers(VALUE self)
{
int num_drivers = HANDLE_ERROR(SDL_GetNumVideoDrivers());
int i;
VALUE drivers = rb_ary_new();
for (i=0; i<num_drivers; ++i)
rb_ary_push(drivers, rb_usascii_str_new_cstr(SDL_GetVideoDriver(i)));
return drivers;
}
/*
* Get the name of current video driver
*
* @return [String] the name of the current video driver
* @return [nil] when the video is not initialized
*/
static VALUE SDL2_s_current_video_driver(VALUE self)
{
const char* name = SDL_GetCurrentVideoDriver();
if (name)
return utf8str_new_cstr(name);
else
return Qnil;
}
/*
* @overload video_init(driver_name)
* Initialize the video subsystem, specifying a video driver.
*
* {.init} cannot specify a video driver, so you need to use
* this method to specify a driver.
*
* @param driver_name [String]
* @return [nil]
*
* @see .init
*/
static VALUE SDL2_s_video_init(VALUE self, VALUE driver_name)
{
HANDLE_ERROR(SDL_VideoInit(StringValueCStr(driver_name)));
return Qnil;
}
/*
* Document-class: SDL2::Window
*
* This class represents a window.
*
* If you want to create graphical application using Ruby/SDL, first you need to
* create a window.
*
* All of methods/class methods are available only after initializing video
* subsystem by {SDL2.init}.
*
*
* @!method destroy?
* @return [Boolean] true if the window is already destroyed.
*/
/*
* @overload create(title, x, y, w, h, flags)
* Create a window with the specified position (x,y), dimensions (w,h) and flags.
*
* @param [String] title title of the created window
* @param [Integer] x the x position of the left-top of the window
* @param [Integer] y the y position of the left-top of the window
* @param [Integer] w the width of the window
* @param [Integer] h the height of the window
* @param [Integer] flags 0, or one or more {Flags} OR'd together
*
* @return [SDL2::Window] created window
*
*/
static VALUE Window_s_create(VALUE self, VALUE title, VALUE x, VALUE y, VALUE w, VALUE h,
VALUE flags)
{
SDL_Window* window;
VALUE win;
title = rb_str_export_to_enc(title, rb_utf8_encoding());
window = SDL_CreateWindow(StringValueCStr(title),
NUM2INT(x), NUM2INT(y), NUM2INT(w), NUM2INT(h),
NUM2UINT(flags));
if (window == NULL)
HANDLE_ERROR(-1);
win = Window_new(window);
rb_hash_aset(hash_windowid_to_window, UINT2NUM(SDL_GetWindowID(window)), win);
return win;
}
/*
* Get all windows under SDL.
*
* @return [Hash<Integer => SDL2::Window>]
* the hash from window id to the {SDL2::Window} objects.
*/
static VALUE Window_s_all_windows(VALUE self)
{
return rb_hash_dup(hash_windowid_to_window);
}
/*
* @overload find_by_id(id)
* Get the window from ID.
*
* @param id [Integer] the window id you want to find
* @return [SDL2::Window] the window associated with **id**
* @return [nil] when no window is associated with **id**
*
*/
static VALUE Window_s_find_by_id(VALUE self, VALUE id)
{
return rb_hash_aref(hash_windowid_to_window, id);
}
VALUE find_window_by_id(Uint32 id)
{
return Window_s_find_by_id(Qnil, UINT2NUM(id));
}
/*
* @overload destroy
* Destroy window.
*
* You cannot call almost all methods after calling this method.
* The exception is {#destroy?}.
*
* @return [void]
*/
static VALUE Window_destroy(VALUE self)
{
Window* w = Get_Window(self);
Window_destroy_internal(w);
SDL_DestroyWindow(w->window);
w->window = NULL;
return Qnil;
}
/*
* @overload create_renderer(index, flags)
* Create a 2D rendering context for a window.
*
* @param [Integer] index the index of the rendering driver to initialize,
* or -1 to initialize the first one supporting the requested flags
* @param [Integer] flags 0, or one or more {Flags} OR'd together
*
* @return [SDL2::Renderer] the created renderer (rendering context)
*/
static VALUE Window_create_renderer(VALUE self, VALUE index, VALUE flags)
{
SDL_Renderer* sdl_renderer;
VALUE renderer;
sdl_renderer = SDL_CreateRenderer(Get_SDL_Window(self), NUM2INT(index), NUM2UINT(flags));
if (sdl_renderer == NULL)
HANDLE_ERROR(-1);
renderer = Renderer_new(sdl_renderer, Get_Window(self));
rb_iv_set(self, "renderer", renderer);
return renderer;
}
/*
* @overload renderer
* Return the renderer associate with the window
*
* @return [SDL2::Renderer] the associated renderer
* @return [nil] if no renderer is created yet
*/
static VALUE Window_renderer(VALUE self)
{
return rb_iv_get(self, "renderer");
}
/*
* Get the numeric ID of the window.
*
* @return [Integer]
*/
static VALUE Window_window_id(VALUE self)
{
return UINT2NUM(SDL_GetWindowID(Get_SDL_Window(self)));
}
/*
* Get information about the window.
*
* @return [SDL2::Display::Mode]
*/
static VALUE Window_display_mode(VALUE self)
{
SDL_DisplayMode mode;
HANDLE_ERROR(SDL_GetWindowDisplayMode(Get_SDL_Window(self), &mode));
return DisplayMode_new(&mode);
}
/*
* Get the display associated with the window.
*
* @return [SDL2::Display]
*/
static VALUE Window_display(VALUE self)
{
int display_index = HANDLE_ERROR(SDL_GetWindowDisplayIndex(Get_SDL_Window(self)));
return Display_new(display_index);
}
/*
* Get the brightness (gamma correction) of the window.
*
* @return [Float] the brightness
* @see #brightness=
*/
static VALUE Window_brightness(VALUE self)
{
return DBL2NUM(SDL_GetWindowBrightness(Get_SDL_Window(self)));
}
/*
* @overload brightness=(brightness)
* Set the brightness (gamma correction) of the window.
*
* @param brightness [Float] the brightness, 0.0 means complete dark and 1.0 means
* normal brightness.
* @return [void]
*
* @see #brightness
*/
static VALUE Window_set_brightness(VALUE self, VALUE brightness)
{
HANDLE_ERROR(SDL_SetWindowBrightness(Get_SDL_Window(self), NUM2DBL(brightness)));
return brightness;
}
/*
* Get the {SDL2::Window::Flags Window flag masks} of the window.
*
* @return [Integer] flags
* @see .create
*/
static VALUE Window_flags(VALUE self)
{
return UINT2NUM(SDL_GetWindowFlags(Get_SDL_Window(self)));
}
static VALUE gamma_table_to_Array(Uint16 r[])
{
int i;
VALUE ary = rb_ary_new2(256);
for (i=0; i<256; ++i)
rb_ary_push(ary, UINT2NUM(r[i]));
return ary;
}
/*
* Get the gamma ramp for a window
*
* @return [Array<Array<Integer>>] the gamma ramp,
* return value is red, green, and blue gamma tables and each gamma table
* has 256 Integers of 0-65535.
*
*/
static VALUE Window_gamma_ramp(VALUE self)
{
Uint16 r[256], g[256], b[256];
HANDLE_ERROR(SDL_GetWindowGammaRamp(Get_SDL_Window(self), r, g, b));
return rb_ary_new3(3,
gamma_table_to_Array(r),
gamma_table_to_Array(g),
gamma_table_to_Array(b));
}
/*
* @overload icon=(icon)
*
* Set the window icon.
*
* @param icon [SDL2::Surface] the icon for the window
* @return [void]
*/
static VALUE Window_set_icon(VALUE self, VALUE icon)
{
SDL_SetWindowIcon(Get_SDL_Window(self), Get_SDL_Surface(icon));
return icon;
}
/*
* Return true if the input is grabbed to the window.
*
* @see #input_is_grabbed=
*/
static VALUE Window_input_is_grabbed_p(VALUE self)
{
return INT2BOOL(SDL_GetWindowGrab(Get_SDL_Window(self)));
}
/*
* @overload input_is_grabbed=(grabbed)
* Set the window's input grab mode.
*
* @param grabbed [Boolean] true to grub input, and false to release input
* @return [void]
*
* @see #input_is_grabbed?
*/
static VALUE Window_set_input_is_grabbed(VALUE self, VALUE grabbed)
{
SDL_SetWindowGrab(Get_SDL_Window(self), RTEST(grabbed));
return grabbed;
}
static VALUE Window_get_int_int(void (*func)(SDL_Window*, int*, int*), VALUE window)
{
int n, m;
func(Get_SDL_Window(window), &n, &m);
return rb_ary_new3(2, INT2NUM(n), INT2NUM(m));
}
static VALUE Window_set_int_int(void (*func)(SDL_Window*, int, int), VALUE window, VALUE val)
{
Check_Type(val, T_ARRAY);
if (RARRAY_LEN(val) != 2)
rb_raise(rb_eArgError, "Wrong array size (%ld for 2)", RARRAY_LEN(val));
func(Get_SDL_Window(window), NUM2INT(rb_ary_entry(val, 0)), NUM2INT(rb_ary_entry(val, 1)));
return Qnil;
}
/*
* Get the maximum size of the window's client area.
*
* @return [Array(Integer,Integer)] maximum width and maximum height.
*
* @see #maximum_size=
*/
static VALUE Window_maximum_size(VALUE self)
{
return Window_get_int_int(SDL_GetWindowMaximumSize, self);
}
/*
* @overload maximum_size=(size)
* Set the maximum size of the window's client area.
*
* @param size [Array(Integer, Integer)] maximum width and maximum height,
* the both must be positive.
*
* @return [void]
*
* @see #maximum_size
*/
static VALUE Window_set_maximum_size(VALUE self, VALUE max_size)
{
return Window_set_int_int(SDL_SetWindowMaximumSize, self, max_size);
}
/*
* Get the minimum size of the window's client area.
*
* @return [Array(Integer,Integer)] minimum width and minimum height.
*
* @see #minimum_size=
*/
static VALUE Window_minimum_size(VALUE self)
{
return Window_get_int_int(SDL_GetWindowMinimumSize, self);
}
/*
* @overload minimum_size=(size)
* Set the minimum size of the window's client area.
*
* @param size [Array(Integer, Integer)] minimum width and minimum height,
* the both must be positive.
*
* @return [void]
*
* @see #minimum_size
*/
static VALUE Window_set_minimum_size(VALUE self, VALUE min_size)
{
return Window_set_int_int(SDL_SetWindowMinimumSize, self, min_size);
}
/*
* Get the position of the window.
*
* @return [Array(Integer,Integer)] the x position and the y position
*
* @see #position=
*/
static VALUE Window_position(VALUE self)
{
return Window_get_int_int(SDL_GetWindowPosition, self);
}
/*
* @overload position=(xy)
* Set the position of the window
*
* @param xy [Array(Integer, Integer)] the x position and the y position,
* {SDL2::Window::POS_CENTERED} and {SDL2::Window::POS_UNDEFINED}
* are available.
*
* @return [void]
*
* @see #position
*/
static VALUE Window_set_position(VALUE self, VALUE xy)
{
return Window_set_int_int(SDL_SetWindowPosition, self, xy);
}
/*
* Get the size of the window.
*
* @return [Array(Integer, Integer)] the width and the height
*
* @see size=
*/
static VALUE Window_size(VALUE self)
{
return Window_get_int_int(SDL_GetWindowSize, self);
}
/*
* @overload size=(size)
* Set the size of the window.
*
* @param size [Array(Integer, Integer)] new width and new height
*
* @return [void]
*
* @see #size
*/
static VALUE Window_set_size(VALUE self, VALUE size)
{
return Window_set_int_int(SDL_SetWindowSize, self, size);
}
/*
* Get the title of the window
*
* @return [String] the title, in UTF-8 encoding
*
* @see #title=
*/
static VALUE Window_title(VALUE self)
{
return utf8str_new_cstr(SDL_GetWindowTitle(Get_SDL_Window(self)));
}
/*
* Return true if the window is bordered
*
* @return [Boolean]
*
* @see #bordered=
*/
static VALUE Window_bordered(VALUE self)
{
return INT2BOOL(!(SDL_GetWindowFlags(Get_SDL_Window(self)) & SDL_WINDOW_BORDERLESS));
}
/*
* @overload bordered=(bordered)
* Set the border state of the window.
*
* @param bordered [Boolean] true for bordered window, anad false for
* borderless window
*
* @return [void]
*
* @see #bordered
*/
static VALUE Window_set_bordered(VALUE self, VALUE bordered)
{
SDL_SetWindowBordered(Get_SDL_Window(self), RTEST(bordered));
return bordered;
}
/*
* @overload title=(title)
* Set the title of the window.
*
* @param title [String] the title
* @return [void]
*
* @see #title
*/
static VALUE Window_set_title(VALUE self, VALUE title)
{
title = rb_str_export_to_enc(title, rb_utf8_encoding());
SDL_SetWindowTitle(Get_SDL_Window(self), StringValueCStr(title));
return Qnil;
}
/*
define(`SIMPLE_WINDOW_METHOD',`static VALUE Window_$2(VALUE self)
{
SDL_$1Window(Get_SDL_Window(self)); return Qnil;
}')
*/
/*
* Show the window.
*
* @return [nil]
* @see #hide
*/
SIMPLE_WINDOW_METHOD(Show, show);
/*
* Hide the window.
*
* @return [nil]
* @see #show
*/
SIMPLE_WINDOW_METHOD(Hide, hide);
/*
* Maximize the window.
*
* @return [nil]
* @see #minimize
* @see #restore
*/
SIMPLE_WINDOW_METHOD(Maximize, maximize);
/*
* Minimize the window.
*
* @return [nil]
* @see #maximize
* @see #restore
*/
SIMPLE_WINDOW_METHOD(Minimize, minimize);
/*
* Raise the window above other windows and set the input focus.
*
* @return [nil]
*/
SIMPLE_WINDOW_METHOD(Raise, raise);
/*
* Restore the size and position of a minimized or maixmized window.
*
* @return [nil]
* @see #minimize
* @see #maximize
*/
SIMPLE_WINDOW_METHOD(Restore, restore);
/*
* Get the fullscreen stete of the window
*
* @return [Integer] 0 for window mode, {SDL2::Window::Flags::FULLSCREEN} for
* fullscreen mode, and {SDL2::Window::Flags::FULLSCREEN_DESKTOP} for fullscreen
* at the current desktop resolution.
*
* @see #fullscreen_mode=
* @see #flags
*/
static VALUE Window_fullscreen_mode(VALUE self)
{
Uint32 flags = SDL_GetWindowFlags(Get_SDL_Window(self));
return UINT2NUM(flags & (SDL_WINDOW_FULLSCREEN|SDL_WINDOW_FULLSCREEN_DESKTOP));
}
/*
* @overload fullscreen_mode=(flag)
* Set the fullscreen state of the window
*
* @param flag [Integer] 0 for window mode, {SDL2::Window::Flags::FULLSCREEN} for
* fullscreen mode, and {SDL2::Flags::Window::FULLSCREEN_DESKTOP} for fullscreen
* at the current desktop resolution.
* @return [void]
*
* @see #fullscreen_mode
*/
static VALUE Window_set_fullscreen_mode(VALUE self, VALUE flags)
{
HANDLE_ERROR(SDL_SetWindowFullscreen(Get_SDL_Window(self), NUM2UINT(flags)));
return flags;
}
#if SDL_VERSION_ATLEAST(2,0,1)
/*
* Get the size of the drawable region.
*
* @return [Array(Integer, Integer)] the width and height of the region
*/
static VALUE Window_gl_drawable_size(VALUE self)
{
int w, h;
SDL_GL_GetDrawableSize(Get_SDL_Window(self), &w, &h);
return rb_ary_new3(2, INT2NUM(w), INT2NUM(h));
}
#endif
/*
* Swap the OpenGL buffers for the window, if double buffering
* is supported.
*
* @return [nil]
*/
static VALUE Window_gl_swap(VALUE self)
{
SDL_GL_SwapWindow(Get_SDL_Window(self));
return Qnil;
}
/* @return [String] inspection string */
static VALUE Window_inspect(VALUE self)
{
Window* w = Get_Window(self);
if (w->window)
return rb_sprintf("<%s:%p window_id=%d>",
rb_obj_classname(self), (void*)self, SDL_GetWindowID(w->window));
else
return rb_sprintf("<%s:%p (destroyed)>", rb_obj_classname(self), (void*)self);
}
/* @return [Hash] (GC) debug information */
static VALUE Window_debug_info(VALUE self)
{
Window* w = Get_Window(self);
VALUE info = rb_hash_new();
int num_active_renderers = 0;
int i;
rb_hash_aset(info, rb_str_new2("destroy?"), INT2BOOL(w->window == NULL));
rb_hash_aset(info, rb_str_new2("max_renderers"), INT2NUM(w->max_renderers));
rb_hash_aset(info, rb_str_new2("num_renderers"), INT2NUM(w->num_renderers));
for (i=0; i<w->num_renderers; ++i)
if (w->renderers[i]->renderer)
++num_active_renderers;
rb_hash_aset(info, rb_str_new2("num_active_renderers"), INT2NUM(num_active_renderers));
return info;
}
/*
* Document-module: SDL2::Window::Flags
*
* OR'd bits of the constants of this module represents window states.
*
* You can see a window state using {SDL2::Window#flags}
* and create a window with a specified
* state using flag parameter of {SDL2::Window.create}.
*
*/
/*
* Document-class: SDL2::Display
*
* This class represents displays, screens, or monitors.
*
* This means that if you use dual screen, {.displays} returns two displays.
*
* This class handles color depth, resolution, and refresh rate of displays.
*
*
* @!attribute [r] index
* The index of the display, 0 origin
* @return [Integer]
*
* @!attribute [r] name
* The name of the display
* @return [String]
*
*/
/*
* Get all connected displays.
*
* @return [Array<SDL2::Display>]
*
*/
static VALUE Display_s_displays(VALUE self)
{
int i;
int num_displays = HANDLE_ERROR(SDL_GetNumVideoDisplays());
VALUE displays = rb_ary_new2(num_displays);
for (i=0; i<num_displays; ++i)
rb_ary_push(displays, Display_new(i));
return displays;
}
static int Display_index_int(VALUE display)
{
return NUM2INT(rb_iv_get(display, "@index"));
}
/*
* Get available display modes of the display.
*
* @return [Array<SDL2::Display::Mode>]
*
*/
static VALUE Display_modes(VALUE self)
{
int i;
int index = Display_index_int(self);