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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 | #include "qemu-common.h"
#include "console.h"
#include "cursor_hidden.xpm"
#include "cursor_left_ptr.xpm"
/* for creating built-in cursors */
static QEMUCursor *cursor_parse_xpm(const char *xpm[])
{
QEMUCursor *c;
uint32_t ctab[128];
unsigned int width, height, colors, chars;
unsigned int line = 0, i, r, g, b, x, y, pixel;
char name[16];
uint8_t idx;
/* parse header line: width, height, #colors, #chars */
if (sscanf(xpm[line], "%u %u %u %u",
&width, &height, &colors, &chars) != 4) {
fprintf(stderr, "%s: header parse error: \"%s\"\n",
__FUNCTION__, xpm[line]);
return NULL;
}
if (chars != 1) {
fprintf(stderr, "%s: chars != 1 not supported\n", __FUNCTION__);
return NULL;
}
line++;
/* parse color table */
for (i = 0; i < colors; i++, line++) {
if (sscanf(xpm[line], "%c c %15s", &idx, name) == 2) {
if (sscanf(name, "#%02x%02x%02x", &r, &g, &b) == 3) {
ctab[idx] = (0xff << 24) | (b << 16) | (g << 8) | r;
continue;
}
if (strcmp(name, "None") == 0) {
ctab[idx] = 0x00000000;
continue;
}
}
fprintf(stderr, "%s: color parse error: \"%s\"\n",
__FUNCTION__, xpm[line]);
return NULL;
}
/* parse pixel data */
c = cursor_alloc(width, height);
for (pixel = 0, y = 0; y < height; y++, line++) {
for (x = 0; x < height; x++, pixel++) {
idx = xpm[line][x];
c->data[pixel] = ctab[idx];
}
}
return c;
}
/* nice for debugging */
void cursor_print_ascii_art(QEMUCursor *c, const char *prefix)
{
uint32_t *data = c->data;
int x,y;
for (y = 0; y < c->height; y++) {
fprintf(stderr, "%s: %2d: |", prefix, y);
for (x = 0; x < c->width; x++, data++) {
if ((*data & 0xff000000) != 0xff000000) {
fprintf(stderr, " "); /* transparent */
} else if ((*data & 0x00ffffff) == 0x00ffffff) {
fprintf(stderr, "."); /* white */
} else if ((*data & 0x00ffffff) == 0x00000000) {
fprintf(stderr, "X"); /* black */
} else {
fprintf(stderr, "o"); /* other */
}
}
fprintf(stderr, "|\n");
}
}
QEMUCursor *cursor_builtin_hidden(void)
{
QEMUCursor *c;
c = cursor_parse_xpm(cursor_hidden_xpm);
return c;
}
QEMUCursor *cursor_builtin_left_ptr(void)
{
QEMUCursor *c;
c = cursor_parse_xpm(cursor_left_ptr_xpm);
return c;
}
QEMUCursor *cursor_alloc(int width, int height)
{
QEMUCursor *c;
int datasize = width * height * sizeof(uint32_t);
c = g_malloc0(sizeof(QEMUCursor) + datasize);
c->width = width;
c->height = height;
c->refcount = 1;
return c;
}
void cursor_get(QEMUCursor *c)
{
c->refcount++;
}
void cursor_put(QEMUCursor *c)
{
if (c == NULL)
return;
c->refcount--;
if (c->refcount)
return;
g_free(c);
}
int cursor_get_mono_bpl(QEMUCursor *c)
{
return (c->width + 7) / 8;
}
void cursor_set_mono(QEMUCursor *c,
uint32_t foreground, uint32_t background, uint8_t *image,
int transparent, uint8_t *mask)
{
uint32_t *data = c->data;
uint8_t bit;
int x,y,bpl;
bpl = cursor_get_mono_bpl(c);
for (y = 0; y < c->height; y++) {
bit = 0x80;
for (x = 0; x < c->width; x++, data++) {
if (transparent && mask[x/8] & bit) {
*data = 0x00000000;
} else if (!transparent && !(mask[x/8] & bit)) {
*data = 0x00000000;
} else if (image[x/8] & bit) {
*data = 0xff000000 | foreground;
} else {
*data = 0xff000000 | background;
}
bit >>= 1;
if (bit == 0) {
bit = 0x80;
}
}
mask += bpl;
image += bpl;
}
}
void cursor_get_mono_image(QEMUCursor *c, int foreground, uint8_t *image)
{
uint32_t *data = c->data;
uint8_t bit;
int x,y,bpl;
bpl = cursor_get_mono_bpl(c);
memset(image, 0, bpl * c->height);
for (y = 0; y < c->height; y++) {
bit = 0x80;
for (x = 0; x < c->width; x++, data++) {
if (((*data & 0xff000000) == 0xff000000) &&
((*data & 0x00ffffff) == foreground)) {
image[x/8] |= bit;
}
bit >>= 1;
if (bit == 0) {
bit = 0x80;
}
}
image += bpl;
}
}
void cursor_get_mono_mask(QEMUCursor *c, int transparent, uint8_t *mask)
{
uint32_t *data = c->data;
uint8_t bit;
int x,y,bpl;
bpl = cursor_get_mono_bpl(c);
memset(mask, 0, bpl * c->height);
for (y = 0; y < c->height; y++) {
bit = 0x80;
for (x = 0; x < c->width; x++, data++) {
if ((*data & 0xff000000) != 0xff000000) {
if (transparent != 0) {
mask[x/8] |= bit;
}
} else {
if (transparent == 0) {
mask[x/8] |= bit;
}
}
bit >>= 1;
if (bit == 0) {
bit = 0x80;
}
}
mask += bpl;
}
}
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