diff options
Diffstat (limited to 'tools/playground/font.cpp')
| -rw-r--r-- | tools/playground/font.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/tools/playground/font.cpp b/tools/playground/font.cpp new file mode 100644 index 0000000..b001250 --- /dev/null +++ b/tools/playground/font.cpp @@ -0,0 +1,181 @@ +#include <rw.h> +#include <skeleton.h> + +using namespace rw; + +struct Font +{ + Texture *tex; + int32 glyphwidth, glyphheight; + int32 numglyphs; +}; +Font vga = { nil, 8, 16, 256 }; +Font bios = { nil, 8, 8, 256 }; +Font *curfont = &bios; + +#define NUMCHARS 100 +uint16 indices[NUMCHARS*6]; +RWDEVICE::Im2DVertex vertices[NUMCHARS*4]; +int32 curVert; +int32 curIndex; + +void +printScreen(const char *s, float32 x, float32 y) +{ + char c; + Camera *cam; + RWDEVICE::Im2DVertex *vert; + uint16 *ix; + curVert = 0; + curIndex = 0; + float32 u, v, du, dv; + float recipZ; + + cam = (Camera*)engine->currentCamera; + vert = &vertices[curVert]; + ix = &indices[curIndex]; + du = curfont->glyphwidth/(float32)curfont->tex->raster->width; + dv = curfont->glyphheight/(float32)curfont->tex->raster->height; + recipZ = 1.0f/cam->nearPlane; + while(c = *s){ + if(c >= curfont->numglyphs) + c = 0; + u = (c % 16)*curfont->glyphwidth / (float32)curfont->tex->raster->width; + v = (c / 16)*curfont->glyphheight / (float32)curfont->tex->raster->height; + + vert->setScreenX(x); + vert->setScreenY(y); + vert->setScreenZ(rw::im2d::GetNearZ()); + vert->setCameraZ(cam->nearPlane); + vert->setRecipCameraZ(recipZ); + vert->setColor(255, 255, 255, 255); + vert->setU(u, recipZ); + vert->setV(v, recipZ); + vert++; + + vert->setScreenX(x+curfont->glyphwidth); + vert->setScreenY(y); + vert->setScreenZ(rw::im2d::GetNearZ()); + vert->setCameraZ(cam->nearPlane); + vert->setRecipCameraZ(recipZ); + vert->setColor(255, 255, 255, 255); + vert->setU(u+du, recipZ); + vert->setV(v, recipZ); + vert++; + + vert->setScreenX(x); + vert->setScreenY(y+curfont->glyphheight); + vert->setScreenZ(rw::im2d::GetNearZ()); + vert->setCameraZ(cam->nearPlane); + vert->setRecipCameraZ(recipZ); + vert->setColor(255, 255, 255, 255); + vert->setU(u, recipZ); + vert->setV(v+dv, recipZ); + vert++; + + vert->setScreenX(x+curfont->glyphwidth); + vert->setScreenY(y+curfont->glyphheight); + vert->setScreenZ(rw::im2d::GetNearZ()); + vert->setCameraZ(cam->nearPlane); + vert->setRecipCameraZ(recipZ); + vert->setColor(255, 255, 255, 255); + vert->setU(u+du, recipZ); + vert->setV(v+dv, recipZ); + vert++; + + *ix++ = curVert; + *ix++ = curVert+1; + *ix++ = curVert+2; + *ix++ = curVert+2; + *ix++ = curVert+1; + *ix++ = curVert+3; + + curVert += 4; + curIndex += 6; + x += curfont->glyphwidth+1; + + s++; + } + + rw::SetRenderStatePtr(rw::TEXTURERASTER, curfont->tex->raster); + rw::SetRenderState(rw::TEXTUREADDRESS, rw::Texture::WRAP); + rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::NEAREST); + + im2d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST, + vertices, curVert, indices, curIndex); + +} + +void +initFont(void) +{ + vga.tex = Texture::read("files/Bm437_IBM_VGA8", ""); + bios.tex = Texture::read("files/Bm437_IBM_BIOS", ""); + +/* + FILE *foo = fopen("font.c", "w"); + assert(foo); + int x, y; + rw::Image *img = rw::readTGA("vga_font.tga"); + assert(img); + for(y = 0; y < img->height; y++){ + for(x = 0; x < img->width; x++) + fprintf(foo, "%d, ", !!img->pixels[y*img->width + x]); + fprintf(foo, "\n"); + } +*/ +} + +/* +#define NUMGLYPHS 256 +#define GLYPHWIDTH 8 +#define GLYPHHEIGHT 16 + + +void +convertFont(void) +{ + FILE *f; + Image *img; + uint8 data[NUMGLYPHS*GLYPHHEIGHT]; + int32 i, x, y; + uint8 *px, *line, *glyph; +// f = fopen("font0.bin", "rb"); + f = fopen("files/Bm437_IBM_VGA8.FON", "rb"); +// f = fopen("files/Bm437_IBM_BIOS.FON", "rb"); + if(f == nil) + return; +fseek(f, 0x65A, 0); + fread(data, 1, NUMGLYPHS*GLYPHHEIGHT, f); + fclose(f); + + img = Image::create(16*GLYPHWIDTH, NUMGLYPHS/16*GLYPHHEIGHT, 32); + img->allocate(); + for(i = 0; i < NUMGLYPHS; i++){ + glyph = &data[i*GLYPHHEIGHT]; + x = (i % 16)*GLYPHWIDTH; + y = (i / 16)*GLYPHHEIGHT; + line = &img->pixels[x*4 + y*img->stride]; + for(y = 0; y < GLYPHHEIGHT; y++){ + px = line; + for(x = 0; x < 8; x++){ + if(*glyph & 1<<(8-x)){ + *px++ = 255; + *px++ = 255; + *px++ = 255; + *px++ = 255; + }else{ + *px++ = 0; + *px++ = 0; + *px++ = 0; + *px++ = 0; + } + } + glyph++; + line += img->stride; + } + } +// writeTGA(img, "files/Bm437_IBM_BIOS.tga"); + writeTGA(img, "files/Bm437_IBM_VGA8.tga"); +} +*/
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