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Add helpers for loading XPM texture, and add simple example texture

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baldurk
2018-12-11 19:57:21 +00:00
parent a5a952855c
commit 38644934c5
2 changed files with 109 additions and 0 deletions
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util/test/demos/test_common.cpp
+87
View File
@@ -24,6 +24,7 @@
#include "test_common.h"
#include <stdarg.h>
#include <stdio.h>
#include <algorithm>
const DefaultA2V DefaultTri[3] = {
@@ -32,6 +33,62 @@ const DefaultA2V DefaultTri[3] = {
{Vec3f(0.5f, -0.5f, 0.0f), Vec4f(0.0f, 0.0f, 1.0f, 1.0f), Vec2f(1.0f, 0.0f)},
};
/* XPM */
const char *SmileyTexture[63] = {
/* columns rows colors chars-per-pixel */
"48 48 14 1 ", " c #000017", ". c #FF0017", "X c #FF735C", "o c #00FF17", "O c #FF8B5C",
"+ c #D0B95C", "@ c #E7A25C", "# c #B9D05C", "$ c #8BFF45", "% c #A2E745", "& c #A2FF45",
"* c #A2E75C", "= c #1700FF", "- c #B9FFFF",
/* pixels */
"------------------------------------------------",
"------------------------------------------------",
"------------------------------------------------",
"------------------------------------------------",
"------------------------------------------------",
"--------------------- ---------------------",
"----------------- -----------------",
"--------------- XOOOOOOO@@ ---------------",
"------------- XXXOOOOOO@@@@@@@ -------------",
"------------ XXXOOOOOO@@@@@@@@@ ------------",
"----------- XXXXOOOOOO@@@@@@@@@@++ -----------",
"---------- XXXXOOOOOO@@@@@@@@@@++++ ----------",
"--------- XXXXOOOOOO@@@@@@@@@@++++++ ---------",
"-------- XXXXOOOOOO@@@@@@@@@++++++++# --------",
"-------- XXXOOOOOO@@@@@@@@@++++++++## --------",
"------- XXXOOOOOO@@@@@@@@@++++++++#### -------",
"------- XXOOOOO...@@@@@@@@+++++ooo###### -------",
"------ XOOOOO.....@@@@@@+++++ooooo##### ------",
"------ OOOOOO.....@@@@@++++++ooooo##### ------",
"------ OOOOOOO.....@@@@+++++++ooooo####%% ------",
"------ OOOOOO@.....@@@++++++++ooooo###%%* ------",
"----- OOOOO@@.....@@++++++++#ooooo##%%*% -----",
"----- OOOO@@@@...@@++++++++###ooo##%%*%% -----",
"----- OOO@@@@@@@@@++++++++########%%*%%% -----",
"----- O@@@@@@@@@@++++++++########%%*%%%% -----",
"----- @@@@@@@@@@++++++++########%%*%%%%% -----",
"----- @@@@@@@@@++++++++########%%*%%%%%& -----",
"------ @@@@@@@@++++++++########%%*%%%%%&& ------",
"------ @@@@==+++++++++########%%*%%==%&&& ------",
"------ @@@===+++++++########%%*%%===&&& ------",
"------ @@@+===+++++########%%*%%%==&&&$ ------",
"------- @@+++===+++#######%%%*%%%==&&&$$ -------",
"------- +++++===+#######%%%*%%%==&&&$$ -------",
"-------- +++++===######%%%%%%%===&&$$ --------",
"-------- +++++#====###%%*%%%====&&$$$ --------",
"--------- +++####===#%%*%%%====&&$$$ ---------",
"---------- +######===========&&&$$$ ----------",
"----------- #######%=======&&&&$$$ -----------",
"------------ ####%%*%%%%%&&&&$$ ------------",
"------------- ##%%*%%%%%&&&&$$ -------------",
"--------------- *%%%%%&&&& ---------------",
"----------------- -----------------",
"--------------------- ---------------------",
"------------------------------------------------",
"------------------------------------------------",
"------------------------------------------------",
"------------------------------------------------",
"------------------------------------------------"};
// since tolower is int -> int, this warns below. make a char -> char alternative
char toclower(char c)
{
@@ -90,6 +147,36 @@ void DebugPrint(const char *fmt, ...)
#endif
}
void LoadXPM(const char **XPM, Texture &tex)
{
uint32_t numColors = 0;
sscanf(XPM[0], "%u %u %u %*u", &tex.width, &tex.height, &numColors);
uint32_t colors[256] = {};
for(uint32_t c = 0; c < numColors; c++)
{
char ch = XPM[c + 1][0];
uint32_t col = 0;
sscanf(XPM[c + 1] + 1, " c #%x", &col);
// need to bgr swap, set full alpha
colors[ch] = 0xff000000 | ((col & 0xff) << 16) | (col & 0xff00) | ((col & 0xff0000) >> 16);
}
tex.data.resize(tex.width * tex.height);
for(uint32_t y = 0; y < tex.height; y++)
{
const char *row = XPM[1 + numColors + y];
for(uint32_t x = 0; x < tex.width; x++)
tex.data[y * tex.width + x] = colors[row[x]];
}
}
#include "3rdparty/shaderc/shaderc.h"
#ifndef HAVE_SHADERC
util/test/demos/test_common.h
+22
View File
@@ -105,6 +105,18 @@ struct Vec4f
float x, y, z, w;
};
struct Vec4i
{
Vec4i(int32_t X = 0, int32_t Y = 0, int32_t Z = 0, int32_t W = 0)
{
x = X;
y = Y;
z = Z;
w = W;
}
int32_t x, y, z, w;
};
struct DefaultA2V
{
Vec3f pos;
@@ -113,6 +125,16 @@ struct DefaultA2V
};
extern const DefaultA2V DefaultTri[3];
extern const char *SmileyTexture[63];
struct Texture
{
uint32_t width;
uint32_t height;
std::vector<uint32_t> data;
};
void LoadXPM(const char **XPM, Texture &tex);
struct GraphicsWindow
{