mirror of https://github.com/nothings/stb.git
first pass at stb-izing complete, now need to debug
This commit is contained in:
Sean Barrett
parent
88c99e47fb
commit
4b590c0a62
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@ -232,7 +232,7 @@ typedef struct
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STBHW_EXTERN void stbhw_get_template_size(stbhw_config *c, int *w, int *h);
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// generates a template image, assuming data is 3*w*h bytes long, RGB format
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STBHW_EXTERN void stbhw_make_template(stbhw_config *c, unsigned char *data, int w, int h);
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STBHW_EXTERN int stbhw_make_template(stbhw_config *c, unsigned char *data, int w, int h, int stride_in_bytes);
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#endif//INCLUDE_STB_HWANG_H
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@ -340,7 +340,9 @@ static signed char h_color[STB_HBWANG_MAX_Y+5][STB_HBWANG_MAX_X+6];
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static char *stbhw_error;
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STBHW_EXTERN char *stbhw_get_last_error(void)
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{
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return stbhw_error;
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char *temp = stbhw_error;
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stbhw_error = 0;
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return temp;
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}
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@ -470,7 +472,7 @@ STBHW_EXTERN void stbhw_get_template_size(stbhw_config *c, int *w, int *h)
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stbhw__get_template_info(c, w, h, NULL, NULL);
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}
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static int stbhw__process_image(stbhw__process *p)
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static int stbhw__process_template(stbhw__process *p)
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{
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int i,j,k,q, ypos;
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int size_x, size_y;
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@ -896,6 +898,8 @@ STBHW_EXTERN int stbhw_build_tileset_from_image(stbhw_tileset *ts, unsigned char
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return 0;
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if (c.short_side_len == 0)
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return 0;
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if (c.num_color[0] > 32 || c.num_color[1] > 32 || c.num_color[2] > 32 || c.num_color[3] > 32)
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return 0;
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stbhw__get_template_info(&c, NULL, NULL, &h_count, &v_count);
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@ -920,7 +924,7 @@ STBHW_EXTERN int stbhw_build_tileset_from_image(stbhw_tileset *ts, unsigned char
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p.h = h;
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// load all the tiles out of the image
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return stbhw__process_image(&p);
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return stbhw__process_template(&p);
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}
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STBHW_EXTERN void stbhw_free_tileset(stbhw_tileset *ts)
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@ -1158,126 +1162,49 @@ static void stbhw__corner_process_v_rect(stbhw__process *p, int xpos, int ypos,
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#endif // STB_HBWANG_IMPLEMENTATION
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#ifndef INCLUDE_STB_IMAGE_WRITE_H
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#define STB_IMAGE_WRITE_IMPLEMENTATION
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#include "stb_image_write.h"
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#endif
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int corner_color_count[4] = { 2,2,2,2 };
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// whether each color for each type of corner should get the corner template
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int corner_type_color_template[4][4] =
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// generates a template image, assuming data is 3*w*h bytes long, RGB format
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STBHW_EXTERN int stbhw_make_template(stbhw_config *c, unsigned char *data, int w, int h, int stride_in_bytes)
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{
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{ 0,0,0,0 },
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{ 0,0,0,0 },
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{ 0,0,0,0 },
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{ 0,0,0,0 },
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};
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// number of duplicates with the exact same edge colors
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int num_variants_x = 1;
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int num_variants_y = 1;
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// total number of items in complete set:
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//
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// horizontal items:
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// ec[1] * ec[2] * ec[3] * ec[0] * ec[1] * ec[2] * num_variants_x * num_variants_y
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//
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// vertical items:
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// ec[0] * ce[1] * ce[3] * ce[0] * ec[2] * ec[3] * num_variants_x * num_variants_y
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// number of tiles along the short side
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int short_side = 9;
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int my_main(int argc, char **argv)
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{
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stbhw_config c;
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stbhw__process p;
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int i;
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if (argc != 2) {
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fprintf(stderr, "Usage: gentemplate {filename}\n");
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return 1;
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p.data = data;
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p.w = w;
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p.h = h;
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p.stride = stride_in_bytes;
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p.ts = 0;
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p.c = c;
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if (c->is_corner) {
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p.process_h_rect = stbhw__corner_process_h_rect;
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p.process_v_rect = stbhw__corner_process_v_rect;
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} else {
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p.process_h_rect = stbhw__edge_process_h_rect;
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p.process_v_rect = stbhw__edge_process_v_rect;
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}
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p.data = NULL;
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p.h = p.w = p.stride = 0;
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p.process_h_rect = stbhw__corner_process_h_rect;
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p.process_v_rect = stbhw__corner_process_v_rect;
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//p.ts = 0;
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p.c = & c;
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c.is_corner = 1;
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c.short_side_len = short_side;
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c.num_vary_x = num_variants_x;
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c.num_vary_y = num_variants_y;
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memcpy(c.num_color, corner_color_count, sizeof(corner_color_count));
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if (!stbhw__process_template(&p))
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return 0;
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stbhw__process_image(&p);
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// write out binary information in first line of image
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for (i=0; i < 4; ++i)
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p.data[p.w*3-1-i] = c.num_color[i];
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p.data[p.w*3-1-i] = num_variants_x;
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p.data[p.w*3-2-i] = num_variants_y;
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p.data[p.w*3-3-i] = short_side;
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p.data[p.w*3-4-i] = 0xc0;
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if (c->is_corner) {
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// write out binary information in first line of image
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for (i=0; i < 4; ++i)
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data[w*3-1-i] = c->num_color[i];
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data[w*3-1-i] = c->num_vary_x;
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data[w*3-2-i] = c->num_vary_y;
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data[w*3-3-i] = c->short_side_len;
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data[w*3-4-i] = 0xc0;
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} else {
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for (i=0; i < 6; ++i)
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data[w*3-1-i] = c->num_color[i];
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data[w*3-1-i] = c->num_vary_x;
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data[w*3-2-i] = c->num_vary_y;
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data[w*3-3-i] = c->short_side_len;
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}
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// make it more obvious it encodes actual data
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for (i=0; i < 9; ++i)
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p.data[p.w*3 - 1 - i] ^= i*55;
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stbi_write_png(argv[1], p.w, p.h, 3, p.data, p.w*3);
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return 0;
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return 1;
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}
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/*
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// number of colors for each edge based on above diagram:
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int edge_colors[6] = { 1,1,1,1,1,1, };
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// number of duplicates with the exact same edge colors
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int num_variants_x = 4;
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int num_variants_y = 4;
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// total number of items in complete set:
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//
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// horizontal items:
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// ec[0] * ec[1] * ec[2] * ec[3] * ec[4] * ec[2] * num_variants_x * num_variants_y
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//
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// vertical items:
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// ec[0] * ce[1] * ce[5] * ce[3] * ec[4] * ec[5] * num_variants_x * num_variants_y
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// number of tiles along the short side
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int short_side = 12;
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int main(int argc, char **argv)
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{
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int w,h,i;
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unsigned char *data;
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if (argc != 2) {
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fprintf(stderr, "Usage: gentemplate {filename}\n");
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return 1;
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}
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memcpy(ec, edge_colors, sizeof(edge_colors));
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num_vx = num_variants_x;
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num_vy = num_variants_y;
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data = process_image(NULL, &w, &h, short_side);
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// write out binary information in first line of image
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for (i=0; i < 6; ++i)
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data[w*3-1-i] = ec[i];
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data[w*3-1-i] = num_variants_x;
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data[w*3-2-i] = num_variants_y;
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data[w*3-3-i] = short_side;
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// make it more obvious it encodes actual data
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for (i=0; i < 9; ++i)
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data[w*3 - 1 - i] ^= i*55;
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stbi_write_png(argv[1], w, h, 3, data, w*3);
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return 0;
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}
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*/
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@ -1,8 +1,87 @@
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#define STB_HERRINGBONE_WANG_TILE_IMPLEMENTATION
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#include "stb_herringbone_wang_tile.h"
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#define STB_IMAGE_WRITE_IMPLEMENTATION
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#include "stb_image_write.h"
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// e 12 1 1 1 1 1 1 4 4
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int main(int argc, char **argv)
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{
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return 0;
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}
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stbhw_config c = { 0 };
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int w,h, num_colors,i;
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unsigned char *data;
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if (argc == 1) goto usage;
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if (argc < 3) goto error;
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switch (argv[2][0]) {
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case 'c':
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if (argc < 8 || argc > 10)
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goto error;
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num_colors = 4;
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c.is_corner = 1;
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break;
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case 'e':
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if (argc < 10 || argc > 12)
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goto error;
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num_colors = 6;
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c.is_corner = 0;
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break;
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default:
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goto error;
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}
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c.short_side_len = atoi(argv[3]);
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for (i=0; i < num_colors; ++i)
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c.num_color[i] = atoi(argv[4+i]);
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c.num_vary_x = 1;
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c.num_vary_y = 1;
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if (argc > 4+i)
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c.num_vary_x = atoi(argv[4+i]);
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if (argc > 5+i)
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c.num_vary_y = atoi(argv[5+i]);
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stbhw_get_template_size(&c, &w, &h);
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data = (unsigned char *) malloc(w*h*3);
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if (stbhw_make_template(&c, data, w, h, w*3))
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stbi_write_png(argv[1], w, h, 3, data, w*3);
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else
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fprintf(stderr, "Error: %s\n", stbhw_get_last_error());
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return 0;
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error:
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fputs("Invalid command-line arguments\n\n", stderr);
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usage:
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fputs("Usage (see source for corner & edge type definitions):\n\n", stderr);
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fputs("herringbone_generator {outfile} c {sidelen} {c0} {c1} {c2} {c3} [{vx} {vy}]\n"
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" {outfile} -- filename that template will be written to as PNG\n"
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" {sidelen} -- length of short side of rectangle in pixels\n"
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" {c0} -- number of colors for corner type 0\n"
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" {c1} -- number of colors for corner type 1\n"
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" {c2} -- number of colors for corner type 2\n"
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" {c3} -- number of colors for corner type 3\n"
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" {vx} -- number of color-duplicating variations horizontally in template\n"
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" {vy} -- number of color-duplicating variations vertically in template\n"
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"\n"
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, stderr);
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fputs("herringbone_generator {outfile} e {sidelen} {e0} {e1} {e2} {e3} {e4} {e5} [{vx} {vy}]\n"
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" {outfile} -- filename that template will be written to as PNG\n"
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" {sidelen} -- length of short side of rectangle in pixels\n"
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" {e0} -- number of colors for edge type 0\n"
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" {e1} -- number of colors for edge type 1\n"
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" {e2} -- number of colors for edge type 2\n"
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" {e3} -- number of colors for edge type 3\n"
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" {e4} -- number of colors for edge type 4\n"
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" {e5} -- number of colors for edge type 5\n"
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" {vx} -- number of color-duplicating variations horizontally in template\n"
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" {vy} -- number of color-duplicating variations vertically in template\n"
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, stderr);
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return 1;
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}
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