mirror of https://github.com/nmlgc/ReC98.git
32 lines
1.3 KiB
C++
32 lines
1.3 KiB
C++
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// Performs a very slow, unoptimized, 2× nearest-neighbor scale of the
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// rectangle from
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// (⌊left_1/8⌋*8, top_1) - (⌊left_1/8⌋*8 + ⌊w_1/16⌋*16, top_1 + h_1)
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// on plane #1 to
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// (⌊left_0/8⌋*8, top_0) - (⌊left_1/8⌋*8 + ⌊w_1/16⌋*32, top_1 + h_1*2)
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// on plane #0.
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void graph_2xscale_byterect_1_to_0_slow(
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screen_x_t left_0, vram_y_t top_0,
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screen_x_t left_1, vram_y_t top_1, pixel_t w_1, pixel_t h_1
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);
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// Convenience function for blitting and scaling rows of glyphs
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// ------------------------------------------------------------
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// (Which are the only things that this 2× scale is performed on anyway.)
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// Blits [str] to the given glyph [row] with the given color and effects, for
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// a later 2× scale of the
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inline void graph_glyphrow_put(int row, int col_and_fx, const char *str) {
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graph_putsa_fx(0, (GLYPH_H * row), (FX_CLEAR_BG | col_and_fx), str);
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}
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// Performs a 2× nearest-neighbor scale of the first [w_1x] pixels from the
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// given glyph [row] on VRAM page 1 to (⌊left_0/8⌋*8, top_0) on VRAM page 0.
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inline void graph_glyphrow_2xscale_1_to_0(
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screen_x_t left_0, vram_y_t top_0, int row, pixel_t w_1x
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) {
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graph_2xscale_byterect_1_to_0_slow(
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left_0, top_0, 0, (GLYPH_H * row), w_1x, GLYPH_H
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);
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}
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// ------------------------------------------------------------
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