hackaton2019

//helper.c

#include "display_helper.h"
#include "display.h"

void render_text_align(rect_ui16_t rc, const char* text, font_t* font, color_t clr0, color_t clr1, padding_ui8_t padding, uint16_t flags)
{
    rect_ui16_t rc_pad = rect_ui16_sub_padding_ui8(rc, padding);
    if (flags & RENDER_FLG_WORDB) {
        //TODO: other alignments, following impl. is for LEFT-TOP
        uint16_t x;
        uint16_t y = rc_pad.y;
        int n;
        const char* str = text;
        while ((n = font_line_chars(font, str, rc_pad.w)) && ((y + font->h) <= (rc_pad.y + rc_pad.h))) {
            x = rc_pad.x;
            int i = 0;
            while (str[i] == ' ')
                i++;
            for (; i < n; i++) {
                display->draw_char(point_ui16(x, y), str[i], font, clr0, clr1);
                x += font->w;
            }
            display->fill_rect(rect_ui16(x, y, (rc_pad.x + rc_pad.w - x), font->h), clr0);
            str += n;
            y += font->h;
        }
        display->fill_rect(rect_ui16(rc_pad.x, y, rc_pad.w, (rc_pad.y + rc_pad.h - y)), clr0);
        rect_ui16_t rc_t = { rc.x, rc.y, rc.w, rc_pad.y - rc.y };
        rect_ui16_t rc_b = { rc.x, rc_pad.y + rc_pad.h, rc.w, (rc.y + rc.h) - (rc_pad.y + rc_pad.h) };
        rect_ui16_t rc_l = { rc.x, rc.y, rc_pad.x - rc.x, rc.h };
        rect_ui16_t rc_r = { rc_pad.x + rc_pad.w, rc.y, (rc.x + rc.w) - (rc_pad.x + rc_pad.w), rc.h };
        display->fill_rect(rc_t, clr0);
        display->fill_rect(rc_b, clr0);
        display->fill_rect(rc_l, clr0);
        display->fill_rect(rc_r, clr0);
    } else {
        point_ui16_t wh_txt = font_meas_text(font, text);
        if (wh_txt.x * wh_txt.y) {
            rect_ui16_t rc_txt = rect_align_ui16(rc_pad, rect_ui16(0, 0, wh_txt.x, wh_txt.y), flags & ALIGN_MASK);
            rc_txt = rect_intersect_ui16(rc_pad, rc_txt);
            rect_ui16_t rc_t = { rc.x, rc.y, rc.w, rc_txt.y - rc.y };
            rect_ui16_t rc_b = { rc.x, rc_txt.y + rc_txt.h, rc.w, (rc.y + rc.h) - (rc_txt.y + rc_txt.h) };
            rect_ui16_t rc_l = { rc.x, rc.y, rc_txt.x - rc.x, rc.h };
            rect_ui16_t rc_r = { rc_txt.x + rc_txt.w, rc.y, (rc.x + rc.w) - (rc_txt.x + rc_txt.w), rc.h };
            display->fill_rect(rc_t, clr0);
            display->fill_rect(rc_b, clr0);
            display->fill_rect(rc_l, clr0);
            display->fill_rect(rc_r, clr0);
            display->draw_text(rc_txt, text, font, clr0, clr1);
        } else
            display->fill_rect(rc, clr0);
    }
}

void render_icon_align(rect_ui16_t rc, uint16_t id_res, color_t clr0, uint16_t flags)
{
    point_ui16_t wh_ico = icon_meas(resource_ptr(id_res));
    if (wh_ico.x * wh_ico.y) {
        rect_ui16_t rc_ico = rect_align_ui16(rc, rect_ui16(0, 0, wh_ico.x, wh_ico.y), flags & ALIGN_MASK);
        rc_ico = rect_intersect_ui16(rc, rc_ico);
        rect_ui16_t rc_t = { rc.x, rc.y, rc.w, rc_ico.y - rc.y };
        rect_ui16_t rc_b = { rc.x, rc_ico.y + rc_ico.h, rc.w, (rc.y + rc.h) - (rc_ico.y + rc_ico.h) };
        rect_ui16_t rc_l = { rc.x, rc.y, rc_ico.x - rc.x, rc.h };
        rect_ui16_t rc_r = { rc_ico.x + rc_ico.w, rc.y, (rc.x + rc.w) - (rc_ico.x + rc_ico.w), rc.h };
        display->fill_rect(rc_t, ((flags >> 8) & ROPFN_SWAPBW) ? clr0 ^ 0xffffffff : clr0);
        display->fill_rect(rc_b, ((flags >> 8) & ROPFN_SWAPBW) ? clr0 ^ 0xffffffff : clr0);
        display->fill_rect(rc_l, ((flags >> 8) & ROPFN_SWAPBW) ? clr0 ^ 0xffffffff : clr0);
        display->fill_rect(rc_r, ((flags >> 8) & ROPFN_SWAPBW) ? clr0 ^ 0xffffffff : clr0);
        display->draw_icon(point_ui16(rc_ico.x, rc_ico.y), id_res, clr0, (flags >> 8) & 0x0f);
    } else
        display->fill_rect(rc, clr0);
}