45        for (int j = 0; j < width/4; j++) {  in draw_rgba()  local
46            buffer[(i*width*4) + j*4 + 0] = 0xff;   //R  in draw_rgba()
47            buffer[(i*width*4) + j*4 + 1] = 0x00;   //G  in draw_rgba()
48            buffer[(i*width*4) + j*4 + 2] = 0x00;   //B  in draw_rgba()
49            buffer[(i*width*4) + j*4 + 3] = 0xff;   //A  in draw_rgba()
51        for (int j = width/4; j < width/4*2; j++) {  in draw_rgba()  local
52            buffer[(i*width*4) + j*4 + 0] = 0x00;  in draw_rgba()
53            buffer[(i*width*4) + j*4 + 1] = 0xff;  in draw_rgba()
54            buffer[(i*width*4) + j*4 + 2] = 0x00;  in draw_rgba()
55            buffer[(i*width*4) + j*4 + 3] = 0xff;  in draw_rgba()
57        for (int j = width/4*2; j < width/4*3; j++) {  in draw_rgba()  local
58            buffer[(i*width*4) + j*4 + 0] = 0x00;  in draw_rgba()
59            buffer[(i*width*4) + j*4 + 1] = 0x00;  in draw_rgba()
60            buffer[(i*width*4) + j*4 + 2] = 0xff;  in draw_rgba()
61            buffer[(i*width*4) + j*4 + 3] = 0xff;  in draw_rgba()
63        for (int j = width/4*3; j < width; j++) {  in draw_rgba()  local
64            buffer[(i*width*4) + j*4 + 0] = 0xff;  in draw_rgba()
65            buffer[(i*width*4) + j*4 + 1] = 0xff;  in draw_rgba()
66            buffer[(i*width*4) + j*4 + 2] = 0xff;  in draw_rgba()
67            buffer[(i*width*4) + j*4 + 3] = 0xff;  in draw_rgba()
92        for (int j = 0; j < width/4; j++) {  in draw_gray256()  local
93             buffer[(i*width*4) + j*4] = 0xa8;  in draw_gray256()
95        for (int j = width/4; j < width/4*2; j++) {  in draw_gray256()  local
96            buffer[(i*width*4) + j*4] = 0x80;  in draw_gray256()
98        for (int j = width/4*2; j < width/4*3; j++) {  in draw_gray256()  local
99            buffer[(i*width*4) + j*4] = 0x54;  in draw_gray256()
101        for (int j = width/4*3; j < width; j++) {  in draw_gray256()  local
102            buffer[(i*width*4) + j*4] = 0x30;  in draw_gray256()