diff options
Diffstat (limited to 'minui')
| -rw-r--r-- | minui/Android.mk | 12 | ||||
| -rw-r--r-- | minui/events.c | 82 | ||||
| -rw-r--r-- | minui/font_10x18.h | 214 | ||||
| -rw-r--r-- | minui/graphics.c | 312 | ||||
| -rw-r--r-- | minui/minui.h | 70 | ||||
| -rw-r--r-- | minui/mkfont.c | 54 | ||||
| -rw-r--r-- | minui/resources.c | 202 |
7 files changed, 946 insertions, 0 deletions
diff --git a/minui/Android.mk b/minui/Android.mk new file mode 100644 index 000000000..91dd939f6 --- /dev/null +++ b/minui/Android.mk @@ -0,0 +1,12 @@ +LOCAL_PATH := $(call my-dir) +include $(CLEAR_VARS) + +LOCAL_SRC_FILES := graphics.c events.c resources.c + +LOCAL_C_INCLUDES +=\ + external/libpng\ + external/zlib + +LOCAL_MODULE := libminui + +include $(BUILD_STATIC_LIBRARY) diff --git a/minui/events.c b/minui/events.c new file mode 100644 index 000000000..3aed2a860 --- /dev/null +++ b/minui/events.c @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <dirent.h> +#include <sys/poll.h> + +#include <linux/input.h> + +#include "minui.h" + +#define MAX_DEVICES 16 + +static struct pollfd ev_fds[MAX_DEVICES]; +static unsigned ev_count = 0; + +int ev_init(void) +{ + DIR *dir; + struct dirent *de; + int fd; + + dir = opendir("/dev/input"); + if(dir != 0) { + while((de = readdir(dir))) { +// fprintf(stderr,"/dev/input/%s\n", de->d_name); + if(strncmp(de->d_name,"event",5)) continue; + fd = openat(dirfd(dir), de->d_name, O_RDONLY); + if(fd < 0) continue; + + ev_fds[ev_count].fd = fd; + ev_fds[ev_count].events = POLLIN; + ev_count++; + if(ev_count == MAX_DEVICES) break; + } + } + + return 0; +} + +void ev_exit(void) +{ + while (ev_count > 0) { + close(ev_fds[--ev_count].fd); + } +} + +int ev_get(struct input_event *ev, unsigned dont_wait) +{ + int r; + unsigned n; + + do { + r = poll(ev_fds, ev_count, dont_wait ? 0 : -1); + + if(r > 0) { + for(n = 0; n < ev_count; n++) { + if(ev_fds[n].revents & POLLIN) { + r = read(ev_fds[n].fd, ev, sizeof(*ev)); + if(r == sizeof(*ev)) return 0; + } + } + } + } while(dont_wait == 0); + + return -1; +} diff --git a/minui/font_10x18.h b/minui/font_10x18.h new file mode 100644 index 000000000..7f96465cc --- /dev/null +++ b/minui/font_10x18.h @@ -0,0 +1,214 @@ +struct { + unsigned width; + unsigned height; + unsigned cwidth; + unsigned cheight; + unsigned char rundata[]; +} font = { + .width = 960, + .height = 18, + .cwidth = 10, + .cheight = 18, + .rundata = { +0x7f,0x7f,0x7f,0x7f,0x7f,0x7f,0x7f,0x55,0x82,0x06,0x82,0x02,0x82,0x10,0x82, +0x11,0x83,0x08,0x82,0x0a,0x82,0x04,0x82,0x46,0x82,0x08,0x82,0x07,0x84,0x06, +0x84,0x0a,0x81,0x03,0x88,0x04,0x84,0x04,0x88,0x04,0x84,0x06,0x84,0x1e,0x81, 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+0x84,0x3f, +0x00, + } +}; diff --git a/minui/graphics.c b/minui/graphics.c new file mode 100644 index 000000000..06c5fdfcd --- /dev/null +++ b/minui/graphics.c @@ -0,0 +1,312 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <stdlib.h> +#include <unistd.h> + +#include <fcntl.h> +#include <stdio.h> + +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/types.h> + +#include <linux/fb.h> +#include <linux/kd.h> + +#include <pixelflinger/pixelflinger.h> + +#include "font_10x18.h" +#include "minui.h" + +typedef struct { + GGLSurface texture; + unsigned cwidth; + unsigned cheight; + unsigned ascent; +} GRFont; + +static GRFont *gr_font = 0; +static GGLContext *gr_context = 0; +static GGLSurface gr_font_texture; +static GGLSurface gr_framebuffer[2]; +static GGLSurface gr_mem_surface; +static unsigned gr_active_fb = 0; + +static int gr_fb_fd = -1; +static int gr_vt_fd = -1; + +static struct fb_var_screeninfo vi; + +static int get_framebuffer(GGLSurface *fb) +{ + int fd; + struct fb_fix_screeninfo fi; + void *bits; + + fd = open("/dev/graphics/fb0", O_RDWR); + if (fd < 0) { + perror("cannot open fb0"); + return -1; + } + + if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) { + perror("failed to get fb0 info"); + close(fd); + return -1; + } + + if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) { + perror("failed to get fb0 info"); + close(fd); + return -1; + } + + bits = mmap(0, fi.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + if (bits == MAP_FAILED) { + perror("failed to mmap framebuffer"); + close(fd); + return -1; + } + + fb->version = sizeof(*fb); + fb->width = vi.xres; + fb->height = vi.yres; + fb->stride = vi.xres; + fb->data = bits; + fb->format = GGL_PIXEL_FORMAT_RGB_565; + + fb++; + + fb->version = sizeof(*fb); + fb->width = vi.xres; + fb->height = vi.yres; + fb->stride = vi.xres; + fb->data = (void*) (((unsigned) bits) + vi.yres * vi.xres * 2); + fb->format = GGL_PIXEL_FORMAT_RGB_565; + + return fd; +} + +static void get_memory_surface(GGLSurface* ms) { + ms->version = sizeof(*ms); + ms->width = vi.xres; + ms->height = vi.yres; + ms->stride = vi.xres; + ms->data = malloc(vi.xres * vi.yres * 2); + ms->format = GGL_PIXEL_FORMAT_RGB_565; +} + +static void set_active_framebuffer(unsigned n) +{ + if (n > 1) return; + vi.yres_virtual = vi.yres * 2; + vi.yoffset = n * vi.yres; + if (ioctl(gr_fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) { + perror("active fb swap failed"); + } +} + +void gr_flip(void) +{ + GGLContext *gl = gr_context; + + /* swap front and back buffers */ + gr_active_fb = (gr_active_fb + 1) & 1; + + /* copy data from the in-memory surface to the buffer we're about + * to make active. */ + memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data, + vi.xres * vi.yres * 2); + + /* inform the display driver */ + set_active_framebuffer(gr_active_fb); +} + +void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a) +{ + GGLContext *gl = gr_context; + GGLint color[4]; + color[0] = ((r << 8) | r) + 1; + color[1] = ((g << 8) | g) + 1; + color[2] = ((b << 8) | b) + 1; + color[3] = ((a << 8) | a) + 1; + gl->color4xv(gl, color); +} + +int gr_measure(const char *s) +{ + return gr_font->cwidth * strlen(s); +} + +int gr_text(int x, int y, const char *s) +{ + GGLContext *gl = gr_context; + GRFont *font = gr_font; + unsigned off; + + y -= font->ascent; + + gl->bindTexture(gl, &font->texture); + gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE); + gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); + gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); + gl->enable(gl, GGL_TEXTURE_2D); + + while((off = *s++)) { + off -= 32; + if (off < 96) { + gl->texCoord2i(gl, (off * font->cwidth) - x, 0 - y); + gl->recti(gl, x, y, x + font->cwidth, y + font->cheight); + } + x += font->cwidth; + } + + return x; +} + +void gr_fill(int x, int y, int w, int h) +{ + GGLContext *gl = gr_context; + gl->disable(gl, GGL_TEXTURE_2D); + gl->recti(gl, x, y, w, h); +} + +void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy) { + if (gr_context == NULL) { + return; + } + GGLContext *gl = gr_context; + + gl->bindTexture(gl, (GGLSurface*) source); + gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE); + gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); + gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); + gl->enable(gl, GGL_TEXTURE_2D); + gl->texCoord2i(gl, sx - dx, sy - dy); + gl->recti(gl, dx, dy, dx + w, dy + h); +} + +unsigned int gr_get_width(gr_surface surface) { + if (surface == NULL) { + return 0; + } + return ((GGLSurface*) surface)->width; +} + +unsigned int gr_get_height(gr_surface surface) { + if (surface == NULL) { + return 0; + } + return ((GGLSurface*) surface)->height; +} + +static void gr_init_font(void) +{ + GGLSurface *ftex; + unsigned char *bits, *rle; + unsigned char *in, data; + + gr_font = calloc(sizeof(*gr_font), 1); + ftex = &gr_font->texture; + + bits = malloc(font.width * font.height); + + ftex->version = sizeof(*ftex); + ftex->width = font.width; + ftex->height = font.height; + ftex->stride = font.width; + ftex->data = (void*) bits; + ftex->format = GGL_PIXEL_FORMAT_A_8; + + in = font.rundata; + while((data = *in++)) { + memset(bits, (data & 0x80) ? 255 : 0, data & 0x7f); + bits += (data & 0x7f); + } + + gr_font->cwidth = font.cwidth; + gr_font->cheight = font.cheight; + gr_font->ascent = font.cheight - 2; +} + +int gr_init(void) +{ + gglInit(&gr_context); + GGLContext *gl = gr_context; + + gr_init_font(); + gr_vt_fd = open("/dev/tty0", O_RDWR | O_SYNC); + if (gr_vt_fd < 0) { + // This is non-fatal; post-Cupcake kernels don't have tty0. + perror("can't open /dev/tty0"); + } else if (ioctl(gr_vt_fd, KDSETMODE, (void*) KD_GRAPHICS)) { + // However, if we do open tty0, we expect the ioctl to work. + perror("failed KDSETMODE to KD_GRAPHICS on tty0"); + gr_exit(); + return -1; + } + + gr_fb_fd = get_framebuffer(gr_framebuffer); + if (gr_fb_fd < 0) { + gr_exit(); + return -1; + } + + get_memory_surface(&gr_mem_surface); + + fprintf(stderr, "framebuffer: fd %d (%d x %d)\n", + gr_fb_fd, gr_framebuffer[0].width, gr_framebuffer[0].height); + + /* start with 0 as front (displayed) and 1 as back (drawing) */ + gr_active_fb = 0; + set_active_framebuffer(0); + gl->colorBuffer(gl, &gr_mem_surface); + + + gl->activeTexture(gl, 0); + gl->enable(gl, GGL_BLEND); + gl->blendFunc(gl, GGL_SRC_ALPHA, GGL_ONE_MINUS_SRC_ALPHA); + + return 0; +} + +void gr_exit(void) +{ + close(gr_fb_fd); + gr_fb_fd = -1; + + free(gr_mem_surface.data); + + ioctl(gr_vt_fd, KDSETMODE, (void*) KD_TEXT); + close(gr_vt_fd); + gr_vt_fd = -1; +} + +int gr_fb_width(void) +{ + return gr_framebuffer[0].width; +} + +int gr_fb_height(void) +{ + return gr_framebuffer[0].height; +} + +gr_pixel *gr_fb_data(void) +{ + return (unsigned short *) gr_mem_surface.data; +} diff --git a/minui/minui.h b/minui/minui.h new file mode 100644 index 000000000..80b47a47f --- /dev/null +++ b/minui/minui.h @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _MINUI_H_ +#define _MINUI_H_ + +typedef void* gr_surface; +typedef unsigned short gr_pixel; + +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_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a); +void gr_fill(int x, int y, int w, int h); +int gr_text(int x, int y, const char *s); +int gr_measure(const char *s); + +void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy); +unsigned int gr_get_width(gr_surface surface); +unsigned int gr_get_height(gr_surface surface); + +// input event structure, include <linux/input.h> for the definition. +// see http://www.mjmwired.net/kernel/Documentation/input/ for info. +struct input_event; + +// Dream-specific key codes +#define KEY_DREAM_HOME 102 // = KEY_HOME +#define KEY_DREAM_RED 107 // = KEY_END +#define KEY_DREAM_VOLUMEDOWN 114 // = KEY_VOLUMEDOWN +#define KEY_DREAM_VOLUMEUP 115 // = KEY_VOLUMEUP +#define KEY_DREAM_SYM 127 // = KEY_COMPOSE +#define KEY_DREAM_MENU 139 // = KEY_MENU +#define KEY_DREAM_BACK 158 // = KEY_BACK +#define KEY_DREAM_FOCUS 211 // = KEY_HP (light touch on camera) +#define KEY_DREAM_CAMERA 212 // = KEY_CAMERA +#define KEY_DREAM_AT 215 // = KEY_EMAIL +#define KEY_DREAM_GREEN 231 +#define KEY_DREAM_FATTOUCH 258 // = BTN_2 ??? +#define KEY_DREAM_BALL 272 // = BTN_MOUSE +#define KEY_DREAM_TOUCH 330 // = BTN_TOUCH + +int ev_init(void); +void ev_exit(void); +int ev_get(struct input_event *ev, unsigned dont_wait); + +// Resources + +// Returns 0 if no error, else negative. +int res_create_surface(const char* name, gr_surface* pSurface); +void res_free_surface(gr_surface surface); + +#endif diff --git a/minui/mkfont.c b/minui/mkfont.c new file mode 100644 index 000000000..61a5edeb2 --- /dev/null +++ b/minui/mkfont.c @@ -0,0 +1,54 @@ +#include <stdio.h> +#include <stdlib.h> + +int main(int argc, char *argv) +{ + unsigned n; + unsigned char *x; + unsigned m; + unsigned run_val; + unsigned run_count; + + n = gimp_image.width * gimp_image.height; + m = 0; + x = gimp_image.pixel_data; + + printf("struct {\n"); + printf(" unsigned width;\n"); + printf(" unsigned height;\n"); + printf(" unsigned cwidth;\n"); + printf(" unsigned cheight;\n"); + printf(" unsigned char rundata[];\n"); + printf("} font = {\n"); + printf(" .width = %d,\n .height = %d,\n .cwidth = %d,\n .cheight = %d,\n", gimp_image.width, gimp_image.height, + gimp_image.width / 96, gimp_image.height); + printf(" .rundata = {\n"); + + run_val = (*x ? 0 : 255); + run_count = 1; + n--; + x+=3; + + while(n-- > 0) { + unsigned val = (*x ? 0 : 255); + x+=3; + if((val == run_val) && (run_count < 127)) { + run_count++; + } else { +eject: + printf("0x%02x,",run_count | (run_val ? 0x80 : 0x00)); + run_val = val; + run_count = 1; + m += 5; + if(m >= 75) { + printf("\n"); + m = 0; + } + } + } + printf("0x%02x,",run_count | (run_val ? 0x80 : 0x00)); + printf("\n0x00,"); + printf("\n"); + printf(" }\n};\n"); + return 0; +} diff --git a/minui/resources.c b/minui/resources.c new file mode 100644 index 000000000..5beb6a6d9 --- /dev/null +++ b/minui/resources.c @@ -0,0 +1,202 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <stdlib.h> +#include <unistd.h> + +#include <fcntl.h> +#include <stdio.h> + +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/types.h> + +#include <linux/fb.h> +#include <linux/kd.h> + +#include <pixelflinger/pixelflinger.h> + +#include "minui.h" + +// File signature for BMP files. +// The letters 'BM' as a little-endian unsigned short. + +#define BMP_SIGNATURE 0x4d42 + +typedef struct { + // constant, value should equal BMP_SIGNATURE + unsigned short bfType; + // size of the file in bytes. + unsigned long bfSize; + // must always be set to zero. + unsigned short bfReserved1; + // must always be set to zero. + unsigned short bfReserved2; + // offset from the beginning of the file to the bitmap data. + unsigned long bfOffBits; + + // The BITMAPINFOHEADER: + // size of the BITMAPINFOHEADER structure, in bytes. + unsigned long biSize; + // width of the image, in pixels. + unsigned long biWidth; + // height of the image, in pixels. + unsigned long biHeight; + // number of planes of the target device, must be set to 1. + unsigned short biPlanes; + // number of bits per pixel. + unsigned short biBitCount; + // type of compression, zero means no compression. + unsigned long biCompression; + // size of the image data, in bytes. If there is no compression, + // it is valid to set this member to zero. + unsigned long biSizeImage; + // horizontal pixels per meter on the designated targer device, + // usually set to zero. + unsigned long biXPelsPerMeter; + // vertical pixels per meter on the designated targer device, + // usually set to zero. + unsigned long biYPelsPerMeter; + // number of colors used in the bitmap, if set to zero the + // number of colors is calculated using the biBitCount member. + unsigned long biClrUsed; + // number of color that are 'important' for the bitmap, + // if set to zero, all colors are important. + unsigned long biClrImportant; +} __attribute__((packed)) BitMapFileHeader; + +int res_create_surface(const char* name, gr_surface* pSurface) { + char resPath[256]; + BitMapFileHeader header; + GGLSurface* surface = NULL; + int result = 0; + + snprintf(resPath, sizeof(resPath)-1, "/res/images/%s.bmp", name); + resPath[sizeof(resPath)-1] = '\0'; + int fd = open(resPath, O_RDONLY); + if (fd == -1) { + result = -1; + goto exit; + } + size_t bytesRead = read(fd, &header, sizeof(header)); + if (bytesRead != sizeof(header)) { + result = -2; + goto exit; + } + if (header.bfType != BMP_SIGNATURE) { + result = -3; // Not a legal header + goto exit; + } + if (header.biPlanes != 1) { + result = -4; + goto exit; + } + if (!(header.biBitCount == 24 || header.biBitCount == 32)) { + result = -5; + goto exit; + } + if (header.biCompression != 0) { + result = -6; + goto exit; + } + size_t width = header.biWidth; + size_t height = header.biHeight; + size_t stride = 4 * width; + size_t pixelSize = stride * height; + + surface = malloc(sizeof(GGLSurface) + pixelSize); + if (surface == NULL) { + result = -7; + goto exit; + } + unsigned char* pData = (unsigned char*) (surface + 1); + surface->version = sizeof(GGLSurface); + surface->width = width; + surface->height = height; + surface->stride = width; /* Yes, pixels, not bytes */ + surface->data = pData; + surface->format = (header.biBitCount == 24) ? + GGL_PIXEL_FORMAT_RGBX_8888 : GGL_PIXEL_FORMAT_RGBA_8888; + + // Source pixel bytes are stored B G R {A} + + lseek(fd, header.bfOffBits, SEEK_SET); + size_t y; + if (header.biBitCount == 24) { // RGB + size_t inputStride = (((3 * width + 3) >> 2) << 2); + for (y = 0; y < height; y++) { + unsigned char* pRow = pData + (height - (y + 1)) * stride; + bytesRead = read(fd, pRow, inputStride); + if (bytesRead != inputStride) { + result = -8; + goto exit; + } + int x; + for(x = width - 1; x >= 0; x--) { + int sx = x * 3; + int dx = x * 4; + unsigned char b = pRow[sx]; + unsigned char g = pRow[sx + 1]; + unsigned char r = pRow[sx + 2]; + unsigned char a = 0xff; + pRow[dx ] = r; // r + pRow[dx + 1] = g; // g + pRow[dx + 2] = b; // b; + pRow[dx + 3] = a; + } + } + } else { // RGBA + for (y = 0; y < height; y++) { + unsigned char* pRow = pData + (height - (y + 1)) * stride; + bytesRead = read(fd, pRow, stride); + if (bytesRead != stride) { + result = -9; + goto exit; + } + size_t x; + for(x = 0; x < width; x++) { + size_t xx = x * 4; + unsigned char b = pRow[xx]; + unsigned char g = pRow[xx + 1]; + unsigned char r = pRow[xx + 2]; + unsigned char a = pRow[xx + 3]; + pRow[xx ] = r; + pRow[xx + 1] = g; + pRow[xx + 2] = b; + pRow[xx + 3] = a; + } + } + } + *pSurface = (gr_surface) surface; + +exit: + if (fd >= 0) { + close(fd); + } + if (result < 0) { + if (surface) { + free(surface); + } + } + return result; +} + +void res_free_surface(gr_surface surface) { + GGLSurface* pSurface = (GGLSurface*) surface; + if (pSurface) { + free(pSurface); + } +} |