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authorElliott Hughes <enh@google.com>2015-04-10 22:12:05 +0200
committerElliott Hughes <enh@google.com>2015-04-10 22:42:55 +0200
commit07cfb8fe799901948afd6af05ef4674173713bcb (patch)
treedbb3c6ea45cb910397cec50054460d46c99b454f /minui/graphics.c
parentMerge "Fix ScreenRecoveryUI to handle devices without power/up/down." (diff)
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Diffstat (limited to 'minui/graphics.c')
-rw-r--r--minui/graphics.c406
1 files changed, 0 insertions, 406 deletions
diff --git a/minui/graphics.c b/minui/graphics.c
deleted file mode 100644
index 9d1e1b480..000000000
--- a/minui/graphics.c
+++ /dev/null
@@ -1,406 +0,0 @@
-/*
- * 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 <stdbool.h>
-#include <stdlib.h>
-#include <string.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 <time.h>
-
-#include "font_10x18.h"
-#include "minui.h"
-#include "graphics.h"
-
-typedef struct {
- GRSurface* texture;
- int cwidth;
- int cheight;
-} GRFont;
-
-static GRFont* gr_font = NULL;
-static minui_backend* gr_backend = NULL;
-
-static int overscan_percent = OVERSCAN_PERCENT;
-static int overscan_offset_x = 0;
-static int overscan_offset_y = 0;
-
-static unsigned char gr_current_r = 255;
-static unsigned char gr_current_g = 255;
-static unsigned char gr_current_b = 255;
-static unsigned char gr_current_a = 255;
-
-static GRSurface* gr_draw = NULL;
-
-static bool outside(int x, int y)
-{
- return x < 0 || x >= gr_draw->width || y < 0 || y >= gr_draw->height;
-}
-
-int gr_measure(const char *s)
-{
- return gr_font->cwidth * strlen(s);
-}
-
-void gr_font_size(int *x, int *y)
-{
- *x = gr_font->cwidth;
- *y = gr_font->cheight;
-}
-
-static void text_blend(unsigned char* src_p, int src_row_bytes,
- unsigned char* dst_p, int dst_row_bytes,
- int width, int height)
-{
- for (int j = 0; j < height; ++j) {
- unsigned char* sx = src_p;
- unsigned char* px = dst_p;
- for (int i = 0; i < width; ++i) {
- unsigned char a = *sx++;
- if (gr_current_a < 255) a = ((int)a * gr_current_a) / 255;
- if (a == 255) {
- *px++ = gr_current_r;
- *px++ = gr_current_g;
- *px++ = gr_current_b;
- px++;
- } else if (a > 0) {
- *px = (*px * (255-a) + gr_current_r * a) / 255;
- ++px;
- *px = (*px * (255-a) + gr_current_g * a) / 255;
- ++px;
- *px = (*px * (255-a) + gr_current_b * a) / 255;
- ++px;
- ++px;
- } else {
- px += 4;
- }
- }
- src_p += src_row_bytes;
- dst_p += dst_row_bytes;
- }
-}
-
-void gr_text(int x, int y, const char *s, int bold)
-{
- GRFont* font = gr_font;
-
- if (!font->texture || gr_current_a == 0) return;
-
- bold = bold && (font->texture->height != font->cheight);
-
- x += overscan_offset_x;
- y += overscan_offset_y;
-
- unsigned char ch;
- while ((ch = *s++)) {
- if (outside(x, y) || outside(x+font->cwidth-1, y+font->cheight-1)) break;
-
- if (ch < ' ' || ch > '~') {
- ch = '?';
- }
-
- unsigned char* src_p = font->texture->data + ((ch - ' ') * font->cwidth) +
- (bold ? font->cheight * font->texture->row_bytes : 0);
- unsigned char* dst_p = gr_draw->data + y*gr_draw->row_bytes + x*gr_draw->pixel_bytes;
-
- text_blend(src_p, font->texture->row_bytes,
- dst_p, gr_draw->row_bytes,
- font->cwidth, font->cheight);
-
- x += font->cwidth;
- }
-}
-
-void gr_texticon(int x, int y, GRSurface* icon) {
- if (icon == NULL) return;
-
- if (icon->pixel_bytes != 1) {
- printf("gr_texticon: source has wrong format\n");
- return;
- }
-
- x += overscan_offset_x;
- y += overscan_offset_y;
-
- if (outside(x, y) || outside(x+icon->width-1, y+icon->height-1)) return;
-
- unsigned char* src_p = icon->data;
- unsigned char* dst_p = gr_draw->data + y*gr_draw->row_bytes + x*gr_draw->pixel_bytes;
-
- text_blend(src_p, icon->row_bytes,
- dst_p, gr_draw->row_bytes,
- icon->width, icon->height);
-}
-
-void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
-{
-#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
- gr_current_r = b;
- gr_current_g = g;
- gr_current_b = r;
- gr_current_a = a;
-#else
- gr_current_r = r;
- gr_current_g = g;
- gr_current_b = b;
- gr_current_a = a;
-#endif
-}
-
-void gr_clear()
-{
- if (gr_current_r == gr_current_g && gr_current_r == gr_current_b) {
- memset(gr_draw->data, gr_current_r, gr_draw->height * gr_draw->row_bytes);
- } else {
- unsigned char* px = gr_draw->data;
- for (int y = 0; y < gr_draw->height; ++y) {
- for (int x = 0; x < gr_draw->width; ++x) {
- *px++ = gr_current_r;
- *px++ = gr_current_g;
- *px++ = gr_current_b;
- px++;
- }
- px += gr_draw->row_bytes - (gr_draw->width * gr_draw->pixel_bytes);
- }
- }
-}
-
-void gr_fill(int x1, int y1, int x2, int y2)
-{
- x1 += overscan_offset_x;
- y1 += overscan_offset_y;
-
- x2 += overscan_offset_x;
- y2 += overscan_offset_y;
-
- if (outside(x1, y1) || outside(x2-1, y2-1)) return;
-
- unsigned char* p = gr_draw->data + y1 * gr_draw->row_bytes + x1 * gr_draw->pixel_bytes;
- if (gr_current_a == 255) {
- int x, y;
- for (y = y1; y < y2; ++y) {
- unsigned char* px = p;
- for (x = x1; x < x2; ++x) {
- *px++ = gr_current_r;
- *px++ = gr_current_g;
- *px++ = gr_current_b;
- px++;
- }
- p += gr_draw->row_bytes;
- }
- } else if (gr_current_a > 0) {
- int x, y;
- for (y = y1; y < y2; ++y) {
- unsigned char* px = p;
- for (x = x1; x < x2; ++x) {
- *px = (*px * (255-gr_current_a) + gr_current_r * gr_current_a) / 255;
- ++px;
- *px = (*px * (255-gr_current_a) + gr_current_g * gr_current_a) / 255;
- ++px;
- *px = (*px * (255-gr_current_a) + gr_current_b * gr_current_a) / 255;
- ++px;
- ++px;
- }
- p += gr_draw->row_bytes;
- }
- }
-}
-
-void gr_blit(GRSurface* source, int sx, int sy, int w, int h, int dx, int dy) {
- if (source == NULL) return;
-
- if (gr_draw->pixel_bytes != source->pixel_bytes) {
- printf("gr_blit: source has wrong format\n");
- return;
- }
-
- dx += overscan_offset_x;
- dy += overscan_offset_y;
-
- if (outside(dx, dy) || outside(dx+w-1, dy+h-1)) return;
-
- unsigned char* src_p = source->data + sy*source->row_bytes + sx*source->pixel_bytes;
- unsigned char* dst_p = gr_draw->data + dy*gr_draw->row_bytes + dx*gr_draw->pixel_bytes;
-
- int i;
- for (i = 0; i < h; ++i) {
- memcpy(dst_p, src_p, w * source->pixel_bytes);
- src_p += source->row_bytes;
- dst_p += gr_draw->row_bytes;
- }
-}
-
-unsigned int gr_get_width(GRSurface* surface) {
- if (surface == NULL) {
- return 0;
- }
- return surface->width;
-}
-
-unsigned int gr_get_height(GRSurface* surface) {
- if (surface == NULL) {
- return 0;
- }
- return surface->height;
-}
-
-static void gr_init_font(void)
-{
- gr_font = calloc(sizeof(*gr_font), 1);
-
- int res = res_create_alpha_surface("font", &(gr_font->texture));
- if (res == 0) {
- // The font image should be a 96x2 array of character images. The
- // columns are the printable ASCII characters 0x20 - 0x7f. The
- // top row is regular text; the bottom row is bold.
- gr_font->cwidth = gr_font->texture->width / 96;
- gr_font->cheight = gr_font->texture->height / 2;
- } else {
- printf("failed to read font: res=%d\n", res);
-
- // fall back to the compiled-in font.
- gr_font->texture = malloc(sizeof(*gr_font->texture));
- gr_font->texture->width = font.width;
- gr_font->texture->height = font.height;
- gr_font->texture->row_bytes = font.width;
- gr_font->texture->pixel_bytes = 1;
-
- unsigned char* bits = malloc(font.width * font.height);
- gr_font->texture->data = (void*) bits;
-
- unsigned char data;
- unsigned char* 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;
- }
-}
-
-#if 0
-// Exercises many of the gr_*() functions; useful for testing.
-static void gr_test() {
- GRSurface** images;
- int frames;
- int result = res_create_multi_surface("icon_installing", &frames, &images);
- if (result < 0) {
- printf("create surface %d\n", result);
- gr_exit();
- return;
- }
-
- time_t start = time(NULL);
- int x;
- for (x = 0; x <= 1200; ++x) {
- if (x < 400) {
- gr_color(0, 0, 0, 255);
- } else {
- gr_color(0, (x-400)%128, 0, 255);
- }
- gr_clear();
-
- gr_color(255, 0, 0, 255);
- gr_surface frame = images[x%frames];
- gr_blit(frame, 0, 0, frame->width, frame->height, x, 0);
-
- gr_color(255, 0, 0, 128);
- gr_fill(400, 150, 600, 350);
-
- gr_color(255, 255, 255, 255);
- gr_text(500, 225, "hello, world!", 0);
- gr_color(255, 255, 0, 128);
- gr_text(300+x, 275, "pack my box with five dozen liquor jugs", 1);
-
- gr_color(0, 0, 255, 128);
- gr_fill(gr_draw->width - 200 - x, 300, gr_draw->width - x, 500);
-
- gr_draw = gr_backend->flip(gr_backend);
- }
- printf("getting end time\n");
- time_t end = time(NULL);
- printf("got end time\n");
- printf("start %ld end %ld\n", (long)start, (long)end);
- if (end > start) {
- printf("%.2f fps\n", ((double)x) / (end-start));
- }
-}
-#endif
-
-void gr_flip() {
- gr_draw = gr_backend->flip(gr_backend);
-}
-
-int gr_init(void)
-{
- gr_init_font();
-
- gr_backend = open_adf();
- if (gr_backend) {
- gr_draw = gr_backend->init(gr_backend);
- if (!gr_draw) {
- gr_backend->exit(gr_backend);
- }
- }
-
- if (!gr_draw) {
- gr_backend = open_fbdev();
- gr_draw = gr_backend->init(gr_backend);
- if (gr_draw == NULL) {
- return -1;
- }
- }
-
- overscan_offset_x = gr_draw->width * overscan_percent / 100;
- overscan_offset_y = gr_draw->height * overscan_percent / 100;
-
- gr_flip();
- gr_flip();
-
- return 0;
-}
-
-void gr_exit(void)
-{
- gr_backend->exit(gr_backend);
-}
-
-int gr_fb_width(void)
-{
- return gr_draw->width - 2*overscan_offset_x;
-}
-
-int gr_fb_height(void)
-{
- return gr_draw->height - 2*overscan_offset_y;
-}
-
-void gr_fb_blank(bool blank)
-{
- gr_backend->blank(gr_backend, blank);
-}