Public Access
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
 
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#include "logic/page_render.h"
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#include <string.h>
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#include "logic/bitmap_format.h"
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#include "logic/builtin_fonts.h"
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static Font usableFont(PageResources &resources, const char *name)
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{
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Font font = resources.font(name);
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if (validFont(font.data, font.size) && font.scale >= 1)
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return font;
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return builtinFont(*findBuiltinFont(FONT_NORMAL_NAME));
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}
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static void clearBox(uint8_t *bitmap, int x, int y, int width, int height)
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{
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for (int yy = y; yy < y + height; yy++)
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for (int xx = x; xx < x + width; xx++)
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setBitmapPixel(bitmap, xx, yy, false);
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}
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void renderPage(const DynamicPage &page, const LocalTime &time, PageResources &resources, uint8_t *bitmap,
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ElementBox *boxes)
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{
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memset(bitmap, 0, BITMAP_BYTES);
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const PageSlot *slot = activeSlot(page, time.hour * 60 + time.minute);
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if (slot && slot->bitmap[0] && !resources.background(slot->bitmap, bitmap))
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memset(bitmap, 0, BITMAP_BYTES);
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for (int i = 0; i < page.element_count && i < PAGE_ELEMENTS; i++)
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{
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const PageElement &e = page.elements[i];
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const char *ha_value = e.type == ElementType::HaValue ? resources.haValue(e) : nullptr;
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char text[64];
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elementText(e, time, ha_value, text, sizeof(text));
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Font font = usableFont(resources, e.font);
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int width = textWidth(font, text), height = fontHeight(font);
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int x = e.x;
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if (e.align == Align::Center)
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x -= width / 2;
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else if (e.align == Align::Right)
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x -= width;
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if (e.overlay == Overlay::Box)
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clearBox(bitmap, x - 1, e.y - 1, width + 2, height + 2);
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drawText(bitmap, font, x, e.y, text, e.overlay == Overlay::Invert ? DrawMode::Invert : DrawMode::Set);
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if (boxes)
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{
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boxes[i].x = x;
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boxes[i].y = e.y;
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boxes[i].width = width;
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boxes[i].height = height;
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}
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}
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}
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