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-rw-r--r--minui/Android.mk6
-rw-r--r--minui/events.c86
-rw-r--r--minui/graphics.c8
-rw-r--r--minui/minui.h18
-rw-r--r--minui/resources.c158
5 files changed, 247 insertions, 29 deletions
diff --git a/minui/Android.mk b/minui/Android.mk
index 54eb06166..061bee67e 100644
--- a/minui/Android.mk
+++ b/minui/Android.mk
@@ -9,8 +9,9 @@ else
endif
LOCAL_C_INCLUDES +=\
- external/libpng\
- external/zlib
+ external/libpng \
+ external/zlib \
+ system/core/include/pixelflinger
ifeq ($(TW_TARGET_USES_QCOM_BSP), true)
LOCAL_CFLAGS += -DMSM_BSP
@@ -25,6 +26,7 @@ else
endif
LOCAL_STATIC_LIBRARY := libpng
+LOCAL_WHOLE_STATIC_LIBRARIES := libpixelflinger_static
LOCAL_MODULE := libminui
# This used to compare against values in double-quotes (which are just
diff --git a/minui/events.c b/minui/events.c
index 2918afaa8..df7dad448 100644
--- a/minui/events.c
+++ b/minui/events.c
@@ -18,7 +18,7 @@
#include <stdlib.h>
#include <fcntl.h>
#include <dirent.h>
-#include <sys/poll.h>
+#include <sys/epoll.h>
#include <linux/input.h>
@@ -34,11 +34,15 @@
((array)[(bit)/BITS_PER_LONG] & (1 << ((bit) % BITS_PER_LONG)))
struct fd_info {
+ int fd;
ev_callback cb;
void *data;
};
-static struct pollfd ev_fds[MAX_DEVICES + MAX_MISC_FDS];
+static int epollfd;
+static struct epoll_event polledevents[MAX_DEVICES + MAX_MISC_FDS];
+static int npolledevents;
+
static struct fd_info ev_fdinfo[MAX_DEVICES + MAX_MISC_FDS];
static unsigned ev_count = 0;
@@ -50,6 +54,12 @@ int ev_init(ev_callback input_cb, void *data)
DIR *dir;
struct dirent *de;
int fd;
+ struct epoll_event ev;
+ bool epollctlfail = false;
+
+ epollfd = epoll_create(MAX_DEVICES + MAX_MISC_FDS);
+ if (epollfd == -1)
+ return -1;
dir = opendir("/dev/input");
if(dir != 0) {
@@ -74,8 +84,15 @@ int ev_init(ev_callback input_cb, void *data)
continue;
}
- ev_fds[ev_count].fd = fd;
- ev_fds[ev_count].events = POLLIN;
+ ev.events = EPOLLIN | EPOLLWAKEUP;
+ ev.data.ptr = (void *)&ev_fdinfo[ev_count];
+ if (epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &ev)) {
+ close(fd);
+ epollctlfail = true;
+ continue;
+ }
+
+ ev_fdinfo[ev_count].fd = fd;
ev_fdinfo[ev_count].cb = input_cb;
ev_fdinfo[ev_count].data = data;
ev_count++;
@@ -84,59 +101,78 @@ int ev_init(ev_callback input_cb, void *data)
}
}
+ if (epollctlfail && !ev_count) {
+ close(epollfd);
+ epollfd = -1;
+ return -1;
+ }
+
return 0;
}
int ev_add_fd(int fd, ev_callback cb, void *data)
{
+ struct epoll_event ev;
+ int ret;
+
if (ev_misc_count == MAX_MISC_FDS || cb == NULL)
return -1;
- ev_fds[ev_count].fd = fd;
- ev_fds[ev_count].events = POLLIN;
- ev_fdinfo[ev_count].cb = cb;
- ev_fdinfo[ev_count].data = data;
- ev_count++;
- ev_misc_count++;
- return 0;
+ ev.events = EPOLLIN | EPOLLWAKEUP;
+ ev.data.ptr = (void *)&ev_fdinfo[ev_count];
+ ret = epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &ev);
+ if (!ret) {
+ ev_fdinfo[ev_count].fd = fd;
+ ev_fdinfo[ev_count].cb = cb;
+ ev_fdinfo[ev_count].data = data;
+ ev_count++;
+ ev_misc_count++;
+ }
+
+ return ret;
+}
+
+int ev_get_epollfd(void)
+{
+ return epollfd;
}
void ev_exit(void)
{
while (ev_count > 0) {
- close(ev_fds[--ev_count].fd);
+ close(ev_fdinfo[--ev_count].fd);
}
ev_misc_count = 0;
ev_dev_count = 0;
+ close(epollfd);
}
int ev_wait(int timeout)
{
- int r;
-
- r = poll(ev_fds, ev_count, timeout);
- if (r <= 0)
+ npolledevents = epoll_wait(epollfd, polledevents, ev_count, timeout);
+ if (npolledevents <= 0)
return -1;
return 0;
}
void ev_dispatch(void)
{
- unsigned n;
+ int n;
int ret;
- for (n = 0; n < ev_count; n++) {
- ev_callback cb = ev_fdinfo[n].cb;
- if (cb && (ev_fds[n].revents & ev_fds[n].events))
- cb(ev_fds[n].fd, ev_fds[n].revents, ev_fdinfo[n].data);
+ for (n = 0; n < npolledevents; n++) {
+ struct fd_info *fdi = polledevents[n].data.ptr;
+ ev_callback cb = fdi->cb;
+ if (cb)
+ cb(fdi->fd, polledevents[n].events, fdi->data);
}
}
-int ev_get_input(int fd, short revents, struct input_event *ev)
+int ev_get_input(int fd, uint32_t epevents, struct input_event *ev)
{
int r;
- if (revents & POLLIN) {
+ if (epevents & EPOLLIN) {
r = read(fd, ev, sizeof(*ev));
if (r == sizeof(*ev))
return 0;
@@ -157,11 +193,11 @@ int ev_sync_key_state(ev_set_key_callback set_key_cb, void *data)
memset(key_bits, 0, sizeof(key_bits));
memset(ev_bits, 0, sizeof(ev_bits));
- ret = ioctl(ev_fds[i].fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits);
+ ret = ioctl(ev_fdinfo[i].fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits);
if (ret < 0 || !test_bit(EV_KEY, ev_bits))
continue;
- ret = ioctl(ev_fds[i].fd, EVIOCGKEY(sizeof(key_bits)), key_bits);
+ ret = ioctl(ev_fdinfo[i].fd, EVIOCGKEY(sizeof(key_bits)), key_bits);
if (ret < 0)
continue;
diff --git a/minui/graphics.c b/minui/graphics.c
index 8f951756d..948a07c0f 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -495,3 +495,11 @@ void gr_get_memory_surface(gr_surface surface)
{
get_memory_surface( (GGLSurface*) surface);
}
+
+// These are new graphics functions from 5.0 that were not available in
+// 4.4 that are required by charger and healthd
+void gr_clear()
+{
+ return;
+}
+
diff --git a/minui/minui.h b/minui/minui.h
index 103318aa7..4c629c1b5 100644
--- a/minui/minui.h
+++ b/minui/minui.h
@@ -56,7 +56,7 @@ unsigned int gr_get_height(gr_surface surface);
// see http://www.mjmwired.net/kernel/Documentation/input/ for info.
struct input_event;
-typedef int (*ev_callback)(int fd, short revents, void *data);
+typedef int (*ev_callback)(int fd, uint32_t epevents, void *data);
typedef int (*ev_set_key_callback)(int code, int value, void *data);
int ev_init(ev_callback input_cb, void *data);
@@ -71,19 +71,33 @@ int ev_sync_key_state(ev_set_key_callback set_key_cb, void *data);
*/
int ev_wait(int timeout);
-int ev_get_input(int fd, short revents, struct input_event *ev);
+int ev_get_input(int fd, uint32_t epevents, struct input_event *ev);
void ev_dispatch(void);
+int ev_get_epollfd(void);
// Resources
// Returns 0 if no error, else negative.
int res_create_surface(const char* name, gr_surface* pSurface);
+
+// Load an array of display surfaces from a single PNG image. The PNG
+// should have a 'Frames' text chunk whose value is the number of
+// frames this image represents. The pixel data itself is interlaced
+// by row.
+int res_create_multi_display_surface(const char* name,
+ int* frames, gr_surface** pSurface);
+
int res_create_localized_surface(const char* name, gr_surface* pSurface);
void res_free_surface(gr_surface surface);
static inline int res_create_display_surface(const char* name, gr_surface* pSurface) {
return res_create_surface(name, pSurface);
}
+// These are new graphics functions from 5.0 that were not available in
+// 4.4 that are required by charger and healthd
+void gr_clear();
+
+
#ifdef __cplusplus
}
#endif
diff --git a/minui/resources.c b/minui/resources.c
index 064325edf..605edbca7 100644
--- a/minui/resources.c
+++ b/minui/resources.c
@@ -186,6 +186,164 @@ exit:
return result;
}
+static int open_png(const char* name, png_structp* png_ptr, png_infop* info_ptr,
+ png_uint_32* width, png_uint_32* height, png_byte* channels) {
+ char resPath[256];
+ unsigned char header[8];
+ int result = 0;
+
+ snprintf(resPath, sizeof(resPath)-1, "/res/images/%s.png", name);
+ resPath[sizeof(resPath)-1] = '\0';
+ FILE* fp = fopen(resPath, "rb");
+ if (fp == NULL) {
+ result = -1;
+ goto exit;
+ }
+
+ size_t bytesRead = fread(header, 1, sizeof(header), fp);
+ if (bytesRead != sizeof(header)) {
+ result = -2;
+ goto exit;
+ }
+
+ if (png_sig_cmp(header, 0, sizeof(header))) {
+ result = -3;
+ goto exit;
+ }
+
+ *png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+ if (!*png_ptr) {
+ result = -4;
+ goto exit;
+ }
+
+ *info_ptr = png_create_info_struct(*png_ptr);
+ if (!*info_ptr) {
+ result = -5;
+ goto exit;
+ }
+
+ if (setjmp(png_jmpbuf(*png_ptr))) {
+ result = -6;
+ goto exit;
+ }
+
+ png_init_io(*png_ptr, fp);
+ png_set_sig_bytes(*png_ptr, sizeof(header));
+ png_read_info(*png_ptr, *info_ptr);
+
+ int color_type, bit_depth;
+ png_get_IHDR(*png_ptr, *info_ptr, width, height, &bit_depth,
+ &color_type, NULL, NULL, NULL);
+
+ *channels = png_get_channels(*png_ptr, *info_ptr);
+
+ if (bit_depth == 8 && *channels == 3 && color_type == PNG_COLOR_TYPE_RGB) {
+ // 8-bit RGB images: great, nothing to do.
+ } else if (bit_depth <= 8 && *channels == 1 && color_type == PNG_COLOR_TYPE_GRAY) {
+ // 1-, 2-, 4-, or 8-bit gray images: expand to 8-bit gray.
+ png_set_expand_gray_1_2_4_to_8(*png_ptr);
+ } else if (bit_depth <= 8 && *channels == 1 && color_type == PNG_COLOR_TYPE_PALETTE) {
+ // paletted images: expand to 8-bit RGB. Note that we DON'T
+ // currently expand the tRNS chunk (if any) to an alpha
+ // channel, because minui doesn't support alpha channels in
+ // general.
+ png_set_palette_to_rgb(*png_ptr);
+ *channels = 3;
+ } else {
+ fprintf(stderr, "minui doesn't support PNG depth %d channels %d color_type %d\n",
+ bit_depth, *channels, color_type);
+ result = -7;
+ goto exit;
+ }
+
+ return result;
+
+ exit:
+ if (result < 0) {
+ png_destroy_read_struct(png_ptr, info_ptr, NULL);
+ }
+ if (fp != NULL) {
+ fclose(fp);
+ }
+
+ return result;
+}
+
+int res_create_multi_display_surface(const char* name, int* frames, gr_surface** pSurface) {
+ gr_surface* surface = NULL;
+ int result = 0;
+ png_structp png_ptr = NULL;
+ png_infop info_ptr = NULL;
+ png_uint_32 width, height;
+ png_byte channels;
+ int i;
+
+ *pSurface = NULL;
+ *frames = -1;
+
+ result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels);
+ if (result < 0) return result;
+
+ *frames = 1;
+ png_textp text;
+ int num_text;
+ if (png_get_text(png_ptr, info_ptr, &text, &num_text)) {
+ for (i = 0; i < num_text; ++i) {
+ if (text[i].key && strcmp(text[i].key, "Frames") == 0 && text[i].text) {
+ *frames = atoi(text[i].text);
+ break;
+ }
+ }
+ printf(" found frames = %d\n", *frames);
+ }
+
+ if (height % *frames != 0) {
+ printf("bad height (%d) for frame count (%d)\n", height, *frames);
+ result = -9;
+ goto exit;
+ }
+
+ surface = malloc(*frames * sizeof(gr_surface));
+ if (surface == NULL) {
+ result = -8;
+ goto exit;
+ }
+ for (i = 0; i < *frames; ++i) {
+ surface[i] = NULL;//init_display_surface(width, height / *frames);
+ if (surface[i] == NULL) {
+ result = -8;
+ goto exit;
+ }
+ }
+
+ /*unsigned char* p_row = malloc(width * 4);
+ unsigned int y;
+ for (y = 0; y < height; ++y) {
+ png_read_row(png_ptr, p_row, NULL);
+ int frame = y % *frames;
+ unsigned char* out_row = surface[frame]->data +
+ (y / *frames) * surface[frame]->row_bytes;
+ transform_rgb_to_draw(p_row, out_row, channels, width);
+ }
+ free(p_row); this will need to be brought in line with the older resources and graphics code */
+
+ *pSurface = (gr_surface*) surface;
+
+exit:
+ png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
+
+ if (result < 0) {
+ if (surface) {
+ for (i = 0; i < *frames; ++i) {
+ if (surface[i]) free(surface[i]);
+ }
+ free(surface);
+ }
+ }
+ return result;
+}
+
static int matches_locale(const char* loc) {
if (locale == NULL) return 0;
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