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-rw-r--r--minui/minui.h62
1 files changed, 52 insertions, 10 deletions
diff --git a/minui/minui.h b/minui/minui.h
index 1b8dd059b..733b675f3 100644
--- a/minui/minui.h
+++ b/minui/minui.h
@@ -17,28 +17,38 @@
#ifndef _MINUI_H_
#define _MINUI_H_
+#include <sys/types.h>
+
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
-typedef void* gr_surface;
-typedef unsigned short gr_pixel;
+typedef struct {
+ int width;
+ int height;
+ int row_bytes;
+ int pixel_bytes;
+ unsigned char* data;
+} GRSurface;
+
+typedef GRSurface* gr_surface;
int gr_init(void);
void gr_exit(void);
int gr_fb_width(void);
int gr_fb_height(void);
-gr_pixel *gr_fb_data(void);
+
void gr_flip(void);
void gr_fb_blank(bool blank);
+void gr_clear(); // clear entire surface to current color
void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
void gr_fill(int x1, int y1, int x2, int y2);
-int gr_text(int x, int y, const char *s, int bold);
- void gr_texticon(int x, int y, gr_surface icon);
+void gr_text(int x, int y, const char *s, int bold);
+void gr_texticon(int x, int y, gr_surface icon);
int gr_measure(const char *s);
void gr_font_size(int *x, int *y);
@@ -50,7 +60,7 @@ 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);
@@ -65,14 +75,46 @@ 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);
-int res_create_localized_surface(const char* name, gr_surface* pSurface);
+// res_create_*_surface() functions return 0 if no error, else
+// negative.
+//
+// A "display" surface is one that is intended to be drawn to the
+// screen with gr_blit(). An "alpha" surface is a grayscale image
+// interpreted as an alpha mask used to render text in the current
+// color (with gr_text() or gr_texticon()).
+//
+// All these functions load PNG images from "/res/images/${name}.png".
+
+// Load a single display surface from a PNG image.
+int res_create_display_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);
+
+// Load a single alpha surface from a grayscale PNG image.
+int res_create_alpha_surface(const char* name, gr_surface* pSurface);
+
+// Load part of a grayscale PNG image that is the first match for the
+// given locale. The image is expected to be a composite of multiple
+// translations of the same text, with special added rows that encode
+// the subimages' size and intended locale in the pixel data. See
+// development/tools/recovery_l10n for an app that will generate these
+// specialized images from Android resources.
+int res_create_localized_alpha_surface(const char* name, const char* locale,
+ gr_surface* pSurface);
+
+// Free a surface allocated by any of the res_create_*_surface()
+// functions.
void res_free_surface(gr_surface surface);
#ifdef __cplusplus