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lodepng_example
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fixes

This commit is contained in:
Alexander Popov 2015-10-17 15:03:57 +03:00
parent 778801b175
commit 194e34e849
2 changed files with 6 additions and 7 deletions
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4
Makefile
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@ -1,10 +1,10 @@
CC=gcc
LDFLAGS= -lglfw -lGL
OUT=run
all: lodepng.o
$(CC) -O2 -o $(OUT) \
lodepng.o \
main.c -lglfw -lGL -lGLU
main.c lodepng.o $(LDFLAGS)
lodepng.o:
$(CC) -c ./deps/lodepng/lodepng.c

9
main.c
View File

@ -14,8 +14,6 @@ int main(int argc, char const *argv[])
if (!glfwInit())
return -1;
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 1);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 4);
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
window = glfwCreateWindow(400, 400, "Example Lodepng", NULL, NULL);
@ -38,7 +36,7 @@ int main(int argc, char const *argv[])
unsigned char *image;
unsigned int width, height;
const char *filename = argc > 1 ? argv[1] : "textures/Nav.png";
const char *filename = argc > 1 ? argv[1] : "textures/nav.png";
error = lodepng_decode32_file(&image, &width, &height, filename);
if (error)
@ -56,17 +54,18 @@ int main(int argc, char const *argv[])
glLoadIdentity();
glOrtho(0, 400, 400, 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glClearColor(1, 1, 1, 0);
glClear(GL_COLOR_BUFFER_BIT);
glLoadIdentity();
glBindTexture(GL_TEXTURE_2D, texture);
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
glColor3ub(255, 235, 115);
glBegin(GL_QUADS);
glBegin(GL_POLYGON);
glTexCoord2f(0, 0); glVertex2f(50, 50);
glTexCoord2f(1, 0); glVertex2f(350, 50);
glTexCoord2f(1, 1); glVertex2f(350, 350);