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Commit d5d34d70 authored by Damien Bargiacchi's avatar Damien Bargiacchi Committed by Tao Bao
Browse files

Support use of custom fonts in miniui 

Bug: 29547343
Change-Id: I398160c85daac90ffab2fa9bb2e96795b9e9885a
(cherry picked from commit 35fff61b)
parent b76960c9

minui/font_10x18.h

+4 −4
Original line number Diff line number Diff line 
struct {

  unsigned width;

  unsigned height;

  unsigned cwidth;

  unsigned cheight;

  unsigned char_width;

  unsigned char_height;

  unsigned char rundata[2973];

} font = {

  .width = 960,

  .height = 18,

  .cwidth = 10,

  .cheight = 18,

  .char_width = 10,

  .char_height = 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,

minui/graphics.cpp

+55 −47
Original line number Diff line number Diff line
@@ -35,12 +35,6 @@ 
#include "minui.h"

#include "graphics.h"



struct GRFont {

    GRSurface* texture;

    int cwidth;

    int cheight;

};



static GRFont* gr_font = NULL;

static minui_backend* gr_backend = NULL;
@@ -60,15 +54,20 @@ 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)

const GRFont* gr_sys_font()

{

    return gr_font;

}



int gr_measure(const GRFont* font, const char *s)

{

    return gr_font->cwidth * strlen(s);

    return font->char_width * strlen(s);

}



void gr_font_size(int *x, int *y)

void gr_font_size(const GRFont* font, int *x, int *y)

{

    *x = gr_font->cwidth;

    *y = gr_font->cheight;

    *x = font->char_width;

    *y = font->char_height;

}



static void text_blend(unsigned char* src_p, int src_row_bytes,
@@ -103,34 +102,32 @@ static void text_blend(unsigned char* src_p, int src_row_bytes, 
    }

}



void gr_text(int x, int y, const char *s, bool bold)

void gr_text(const GRFont* font, int x, int y, const char *s, bool bold)

{

    GRFont* font = gr_font;



    if (!font->texture || gr_current_a == 0) return;



    bold = bold && (font->texture->height != font->cheight);

    bold = bold && (font->texture->height != font->char_height);



    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 (outside(x, y) || outside(x+font->char_width-1, y+font->char_height-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* src_p = font->texture->data + ((ch - ' ') * font->char_width) +

                               (bold ? font->char_height * 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);

                   font->char_width, font->char_height);



        x += font->cwidth;

        x += font->char_width;

    }

}
@@ -267,18 +264,30 @@ unsigned int gr_get_height(GRSurface* surface) { 
    return surface->height;

}



int gr_init_font(const char* name, GRFont* dest) {

    int res = res_create_alpha_surface(name, &(dest->texture));

    if (res < 0) {

        return res;

    }



    // 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.

    dest->char_width = dest->texture->width / 96;

    dest->char_height = dest->texture->height / 2;



    return 0;

}



static void gr_init_font(void)

{

    gr_font = reinterpret_cast<GRFont*>(calloc(sizeof(*gr_font), 1));



    int res = res_create_alpha_surface("font", &(gr_font->texture));

    int res = gr_init_font("font", gr_font);

    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 {

        return;

    }



    printf("failed to read font: res=%d\n", res);



    // fall back to the compiled-in font.
@@ -298,9 +307,8 @@ static void gr_init_font(void) 
        bits += (data & 0x7f);

    }



        gr_font->cwidth = font.cwidth;

        gr_font->cheight = font.cheight;

    }

    gr_font->char_width = font.char_width;

    gr_font->char_height = font.char_height;

}



#if 0

minui/minui.h

+13 −3
Original line number Diff line number Diff line
@@ -33,6 +33,12 @@ struct GRSurface { 
    unsigned char* data;

};



struct GRFont {

    GRSurface* texture;

    int char_width;

    int char_height;

};



int gr_init();

void gr_exit();
@@ -45,10 +51,14 @@ 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);

void gr_text(int x, int y, const char *s, bool bold);



void gr_texticon(int x, int y, GRSurface* icon);

int gr_measure(const char *s);

void gr_font_size(int *x, int *y);



const GRFont* gr_sys_font();

int gr_init_font(const char* name, GRFont* dest);

void gr_text(const GRFont* font, int x, int y, const char *s, bool bold);

int gr_measure(const GRFont* font, const char *s);

void gr_font_size(const GRFont* font, int *x, int *y);



void gr_blit(GRSurface* source, int sx, int sy, int w, int h, int dx, int dy);

unsigned int gr_get_width(GRSurface* surface);

screen_ui.cpp

+5 −5
Original line number Diff line number Diff line
@@ -248,7 +248,7 @@ void ScreenRecoveryUI::DrawHorizontalRule(int* y) { 
}



void ScreenRecoveryUI::DrawTextLine(int x, int* y, const char* line, bool bold) {

    gr_text(x, *y, line, bold);

    gr_text(gr_sys_font(), x, *y, line, bold);

    *y += char_height_ + 4;

}
@@ -304,10 +304,10 @@ void ScreenRecoveryUI::draw_screen_locked() { 
                    gr_fill(0, y - 2, gr_fb_width(), y + char_height_ + 2);

                    // Bold white text for the selected item.

                    SetColor(MENU_SEL_FG);

                    gr_text(4, y, menu_[i], true);

                    gr_text(gr_sys_font(), 4, y, menu_[i], true);

                    SetColor(MENU);

                } else {

                    gr_text(4, y, menu_[i], false);

                    gr_text(gr_sys_font(), 4, y, menu_[i], false);

                }

                y += char_height_ + 4;

            }
@@ -323,7 +323,7 @@ void ScreenRecoveryUI::draw_screen_locked() { 
        for (int ty = gr_fb_height() - char_height_;

             ty >= y && count < text_rows_;

             ty -= char_height_, ++count) {

            gr_text(0, ty, text_[row], false);

            gr_text(gr_sys_font(), 0, ty, text_[row], false);

            --row;

            if (row < 0) row = text_rows_ - 1;

        }
@@ -442,7 +442,7 @@ void ScreenRecoveryUI::Init() { 
    density_ = static_cast<float>(android::base::GetIntProperty("ro.sf.lcd_density", 160)) / 160.f;

    is_large_ = gr_fb_height() > PixelsFromDp(800);



    gr_font_size(&char_width_, &char_height_);

    gr_font_size(gr_sys_font(), &char_width_, &char_height_);

    text_rows_ = gr_fb_height() / char_height_;

    text_cols_ = gr_fb_width() / char_width_;

wear_ui.cpp

+6 −6
Original line number Diff line number Diff line
@@ -177,7 +177,7 @@ void WearRecoveryUI::draw_screen_locked() 
            // items don't fit on the screen.

            if (menu_items > menu_end - menu_start) {

                sprintf(cur_selection_str, "Current item: %d/%d", menu_sel + 1, menu_items);

                gr_text(x+4, y, cur_selection_str, 1);

                gr_text(gr_sys_font(), x+4, y, cur_selection_str, 1);

                y += char_height_+4;

            }
@@ -192,10 +192,10 @@ void WearRecoveryUI::draw_screen_locked() 
                    gr_fill(x, y-2, gr_fb_width()-x, y+char_height_+2);

                    // white text of selected item

                    SetColor(MENU_SEL_FG);

                    if (menu[i][0]) gr_text(x+4, y, menu[i], 1);

                    if (menu[i][0]) gr_text(gr_sys_font(), x+4, y, menu[i], 1);

                    SetColor(MENU);

                } else {

                    if (menu[i][0]) gr_text(x+4, y, menu[i], 0);

                } else if (menu[i][0]) {

                    gr_text(gr_sys_font(), x+4, y, menu[i], 0);

                }

                y += char_height_+4;

            }
@@ -216,7 +216,7 @@ void WearRecoveryUI::draw_screen_locked() 
        for (int ty = gr_fb_height() - char_height_ - outer_height;

             ty > y+2 && count < text_rows;

             ty -= char_height_, ++count) {

            gr_text(x+4, ty, text[row], 0);

            gr_text(gr_sys_font(), x+4, ty, text[row], 0);

            --row;

            if (row < 0) row = text_rows-1;

        }
@@ -285,7 +285,7 @@ void WearRecoveryUI::Init() 
{

    gr_init();



    gr_font_size(&char_width_, &char_height_);

    gr_font_size(gr_sys_font(), &char_width_, &char_height_);



    text_col = text_row = 0;

    text_rows = (gr_fb_height()) / char_height_;