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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+0x88,0x02,0x88,0x04,0x84,0x04,0x82,0x04,0x82,0x02,0x88,0x05,0x86,0x01,0x82,
+0x04,0x82,0x02,0x82,0x08,0x82,0x04,0x82,0x02,0x82,0x04,0x82,0x04,0x84,0x04,
+0x86,0x06,0x84,0x04,0x86,0x06,0x84,0x04,0x88,0x02,0x82,0x04,0x82,0x02,0x82,
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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);
+    }
+}