blob: 081db8d337262944b77fc7b487e45837b51be667 (
plain)
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
|
/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
#include "../../gfx.h"
#if GFX_USE_GDISP && GDISP_NEED_PIXMAP
// We undef everything because the system may think we are in a single controller situation
// but the pixmap supports adds another virtual display
#undef GDISP_HARDWARE_DEINIT
#undef GDISP_HARDWARE_FLUSH
#undef GDISP_HARDWARE_STREAM_WRITE
#undef GDISP_HARDWARE_STREAM_READ
#undef GDISP_HARDWARE_STREAM_POS
#undef GDISP_HARDWARE_DRAWPIXEL
#undef GDISP_HARDWARE_CLEARS
#undef GDISP_HARDWARE_FILLS
#undef GDISP_HARDWARE_BITFILLS
#undef GDISP_HARDWARE_SCROLL
#undef GDISP_HARDWARE_PIXELREAD
#undef GDISP_HARDWARE_CONTROL
#undef GDISP_HARDWARE_QUERY
#undef GDISP_HARDWARE_CLIP
#define GDISP_HARDWARE_DEINIT GFXON
#define GDISP_HARDWARE_DRAWPIXEL GFXON
#define GDISP_HARDWARE_PIXELREAD GFXON
#define GDISP_HARDWARE_CONTROL GFXON
#define IN_PIXMAP_DRIVER GFXON
#define GDISP_DRIVER_VMT GDISPVMT_pixmap
#define GDISP_DRIVER_VMT_FLAGS (GDISP_VFLG_DYNAMICONLY|GDISP_VFLG_PIXMAP)
// This pseudo driver currently only supports unpacked formats with more than 8 bits per pixel
// that is, we only support GRAY_SCALE and PALETTE with 8 bits per pixel or any unpacked TRUE_COLOR format.
#if (GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_GRAYSCALE) && (GDISP_LLD_PIXELFORMAT & 0xFF) != 8
#error "GDISP Pixmap: Pixmap's do not currently support the specified GDISP_LLD_PIXELFORMAT"
#endif
#include "gdisp_driver.h"
#include "../gdriver/gdriver.h"
typedef struct pixmap {
#if GDISP_NEED_PIXMAP_IMAGE
uint8_t imghdr[8]; // This field must come just before the data member.
#endif
color_t pixels[1]; // We really want pixels[0] but some compilers don't allow that even though it is C standard.
} pixmap;
GDisplay *gdispPixmapCreate(gCoord width, gCoord height) {
GDisplay *g;
pixmap *p;
unsigned i;
// Calculate the size of the display surface in bytes
i = width*height*sizeof(color_t);
if (i < 2*sizeof(gCoord))
i = 2*sizeof(gCoord);
// Allocate the pixmap
if (!(p = gfxAlloc(i+sizeof(pixmap)-sizeof(p->pixels))))
return 0;
// Fill in the image header (if required)
#if GDISP_NEED_PIXMAP_IMAGE
p->imghdr[0] = 'N';
p->imghdr[1] = 'I';
p->imghdr[2] = (uint8_t)(width >> 8);
p->imghdr[3] = (uint8_t)width;
p->imghdr[4] = (uint8_t)(height >> 8);
p->imghdr[5] = (uint8_t)height;
p->imghdr[6] = (uint8_t)(GDISP_PIXELFORMAT >> 8);
p->imghdr[7] = (uint8_t)(GDISP_PIXELFORMAT);
#endif
// Save the width and height so the driver can retrieve it.
((gCoord *)p->pixels)[0] = width;
((gCoord *)p->pixels)[1] = height;
// Register the driver
g = (GDisplay *)gdriverRegister(&GDISPVMT_pixmap->d, p);
if (!g)
gfxFree(p);
return g;
}
void gdispPixmapDelete(GDisplay *g) {
if (gvmt(g) != GDISPVMT_pixmap)
return;
gdriverUnRegister(&g->d);
}
pixel_t *gdispPixmapGetBits(GDisplay *g) {
if (gvmt(g) != GDISPVMT_pixmap)
return 0;
return ((pixmap *)g->priv)->pixels;
}
#if GDISP_NEED_PIXMAP_IMAGE
void *gdispPixmapGetMemoryImage(GDisplay *g) {
if (gvmt(g) != GDISPVMT_pixmap)
return 0;
return ((pixmap *)g->priv)->imghdr;
}
#endif
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
// The user api function should have already allocated and initialised the pixmap
// structure and put it into the priv member during driver initialisation.
if (!g->priv)
return gFalse;
// Initialize the GDISP structure
// Width and height were saved into the start of the framebuffer.
g->g.Width = ((gCoord *)((pixmap *)g->priv)->pixels)[0];
g->g.Height = ((gCoord *)((pixmap *)g->priv)->pixels)[1];
g->g.Backlight = 100;
g->g.Contrast = 50;
g->g.Orientation = GDISP_ROTATE_0;
g->g.Powermode = powerOn;
g->board = 0;
return gTrue;
}
LLDSPEC void gdisp_lld_deinit(GDisplay *g) {
gfxFree(g->priv);
}
LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
unsigned pos;
#if GDISP_NEED_CONTROL
switch(g->g.Orientation) {
case GDISP_ROTATE_0:
default:
pos = g->p.y * g->g.Width + g->p.x;
break;
case GDISP_ROTATE_90:
pos = (g->g.Width-g->p.x-1) * g->g.Height + g->p.y;
break;
case GDISP_ROTATE_180:
pos = (g->g.Height-g->p.y-1) * g->g.Width + g->g.Width-g->p.x-1;
break;
case GDISP_ROTATE_270:
pos = g->p.x * g->g.Height + g->g.Height-g->p.y-1;
break;
}
#else
pos = g->p.y * g->g.Width + g->p.x;
#endif
((pixmap *)(g)->priv)->pixels[pos] = g->p.color;
}
LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g) {
unsigned pos;
#if GDISP_NEED_CONTROL
switch(g->g.Orientation) {
case GDISP_ROTATE_0:
default:
pos = g->p.y * g->g.Width + g->p.x;
break;
case GDISP_ROTATE_90:
pos = (g->g.Width-g->p.x-1) * g->g.Height + g->p.y;
break;
case GDISP_ROTATE_180:
pos = (g->g.Height-g->p.y-1) * g->g.Width + g->g.Width-g->p.x-1;
break;
case GDISP_ROTATE_270:
pos = g->p.x * g->g.Height + g->g.Height-g->p.y-1;
break;
}
#else
pos = g->p.y * g->g.Width + g->p.x;
#endif
return ((pixmap *)(g)->priv)->pixels[pos];
}
#if GDISP_NEED_CONTROL
LLDSPEC void gdisp_lld_control(GDisplay *g) {
switch(g->p.x) {
case GDISP_CONTROL_ORIENTATION:
if (g->g.Orientation == (orientation_t)g->p.ptr)
return;
switch((orientation_t)g->p.ptr) {
case GDISP_ROTATE_0:
case GDISP_ROTATE_180:
if (g->g.Orientation == GDISP_ROTATE_90 || g->g.Orientation == GDISP_ROTATE_270) {
gCoord tmp;
tmp = g->g.Width;
g->g.Width = g->g.Height;
g->g.Height = tmp;
}
break;
case GDISP_ROTATE_90:
case GDISP_ROTATE_270:
if (g->g.Orientation == GDISP_ROTATE_0 || g->g.Orientation == GDISP_ROTATE_180) {
gCoord tmp;
tmp = g->g.Width;
g->g.Width = g->g.Height;
g->g.Height = tmp;
}
break;
default:
return;
}
g->g.Orientation = (orientation_t)g->p.ptr;
return;
}
}
#endif
#endif /* GFX_USE_GDISP */
|
