mirror of
https://github.com/QB64-Phoenix-Edition/QB64pe.git
synced 2024-05-12 12:00:13 +00:00
81 lines
4 KiB
C
81 lines
4 KiB
C
//-----------------------------------------------------------------------------------------------------
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// ___ ___ __ _ _ ___ ___ ___ _ _ _
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// / _ \| _ ) / /| | || _ \ __| |_ _|_ __ __ _ __ _ ___ | | (_) |__ _ _ __ _ _ _ _ _
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// | (_) | _ \/ _ \_ _| _/ _| | || ' \/ _` / _` / -_) | |__| | '_ \ '_/ _` | '_| || |
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// \__\_\___/\___/ |_||_| |___| |___|_|_|_\__,_\__, \___| |____|_|_.__/_| \__,_|_| \_, |
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// |___/ |__/
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//
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// Powered by:
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// stb_image & stb_image_write (https://github.com/nothings/stb)
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// dr_pcx (https://github.com/mackron/dr_pcx)
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// nanosvg (https://github.com/memononen/nanosvg)
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// qoi (https://qoiformat.org)
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// pixelscalers (https://github.com/janert/pixelscalers)
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// mmpx (https://github.com/ITotalJustice/mmpx)
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//
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//-----------------------------------------------------------------------------------------------------
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#pragma once
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#include <cmath>
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#include <stdint.h>
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#include <stdio.h>
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#if defined(IMAGE_DEBUG) && IMAGE_DEBUG > 0
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# ifdef _MSC_VER
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# define IMAGE_DEBUG_PRINT(_fmt_, ...) fprintf(stderr, "DEBUG: %s:%d:%s(): " _fmt_ "\n", __FILE__, __LINE__, __func__, __VA_ARGS__)
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# else
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# define IMAGE_DEBUG_PRINT(_fmt_, _args_...) fprintf(stderr, "DEBUG: %s:%d:%s(): " _fmt_ "\n", __FILE__, __LINE__, __func__, ##_args_)
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# endif
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# define IMAGE_DEBUG_CHECK(_exp_) \
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if (!(_exp_)) \
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IMAGE_DEBUG_PRINT("Condition (%s) failed", #_exp_)
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#else
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# ifdef _MSC_VER
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# define IMAGE_DEBUG_PRINT(_fmt_, ...) // Don't do anything in release builds
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# else
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# define IMAGE_DEBUG_PRINT(_fmt_, _args_...) // Don't do anything in release builds
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# endif
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# define IMAGE_DEBUG_CHECK(_exp_) // Don't do anything in release builds
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#endif
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// This is returned to the caller if something goes wrong while loading the image
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#define INVALID_IMAGE_HANDLE -1
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struct qbs;
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int32_t func__loadimage(qbs *qbsFileName, int32_t bpp, qbs *qbsRequirements, int32_t passed);
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void sub__saveimage(qbs *qbsFileName, int32_t imageHandle, qbs *qbsRequirements, int32_t passed);
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static inline constexpr uint8_t image_get_bgra_red(const uint32_t c) { return (uint8_t)((c >> 16) & 0xFFu); }
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static inline constexpr uint8_t image_get_bgra_green(const uint32_t c) { return (uint8_t)((c >> 8) & 0xFFu); }
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static inline constexpr uint8_t image_get_bgra_blue(const uint32_t c) { return (uint8_t)(c & 0xFFu); }
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static inline constexpr uint8_t image_get_bgra_alpha(const uint32_t c) { return (uint8_t)(c >> 24); }
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static inline constexpr uint32_t image_get_bgra_bgr(const uint32_t c) { return (uint32_t)(c & 0xFFFFFFu); }
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static inline constexpr uint32_t image_make_bgra(const uint8_t r, const uint8_t g, const uint8_t b, const uint8_t a) {
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return (uint32_t)(b) | ((uint32_t)(g) << 8) | ((uint32_t)(r) << 16) | ((uint32_t)(a) << 24);
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}
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static inline constexpr int image_scale_5bits_to_8bits(const int v) { return (v << 3) | (v >> 2); }
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static inline constexpr int image_scale_6bits_to_8bits(const int v) { return (v << 2) | (v >> 4); }
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static inline constexpr uint32_t image_swap_red_blue(const uint32_t clr) {
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return ((clr & 0xFF00FF00u) | ((clr & 0x00FF0000u) >> 16) | ((clr & 0x000000FFu) << 16));
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}
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static inline constexpr uint8_t image_clamp_color_component(const int n) { return n < 0 ? 0 : n > 255 ? 255 : n; }
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static inline float image_calculate_rgb_distance(const uint8_t r1, const uint8_t g1, const uint8_t b1, const uint8_t r2, const uint8_t g2, const uint8_t b2) {
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auto delta_r = (float)r2 - (float)r1;
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auto delta_g = (float)g2 - (float)g1;
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auto delta_b = (float)b2 - (float)b1;
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return sqrtf(delta_r * delta_r + delta_g * delta_g + delta_b * delta_b);
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}
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