void CzBitmapSprite::setColour(int index, const CzColour& colour)
{
if (Geometry == NULL)
Prim->Colours[index] = colour.get();
else
{
if (Geometry->Colours == NULL)
Prim->Colours[index] = colour.get();
else
{
Prim->Colours[index].r = (uint8)(((int)Geometry->Colours[index].r * colour.r) / 255);
Prim->Colours[index].g = (uint8)(((int)Geometry->Colours[index].g * colour.g) / 255);
Prim->Colours[index].b = (uint8)(((int)Geometry->Colours[index].b * colour.b) / 255);
Prim->Colours[index].a = (uint8)(((int)Geometry->Colours[index].a * colour.a) / 255);
}
}
}
void CzPlatformRender::DrawText(CzFontPreparedText prepared_text, CzFont* font, CzMatrix3* transform, const CzColour& colour, CzVec4& skew, bool filter, eCzAlphaMode alpha_mode)
{
CIwMaterial::AlphaMode am = (CIwMaterial::AlphaMode)alpha_mode; // TODO Add proper method map Marmalade Alpha mode to Marmalade
// Cache the transform
float m00 = transform->m[0][0];
float m01 = transform->m[0][1];
float m10 = transform->m[1][0];
float m11 = transform->m[1][1];
float tx = transform->getX();
float ty = transform->getY();
float sx1 = (float)skew.x;
float sx2 = (float)skew.y;
float sy1 = (float)skew.z;
float sy2 = (float)skew.w;
/* CzIRect clip = ScreenClipRect;
clip.x <<= 3;
clip.y <<= 3;
clip.w = clip.x + (clip.w << 3);
clip.h = clip.y + (clip.h << 3);*/
IwGxLightingOn();
IwGxSetColStream(NULL);
IwGxSetNormStream(NULL);
CIwGxFont* mfont = static_cast<CIwGxFont*>(font->getFontHandle());
CIwGxFontPreparedData* prep_text = static_cast<CIwGxFontPreparedData*>(prepared_text);
// A font can consist of multiple materials so we need to process all of them
for (int t = 0; t < mfont->GetNumberMaterials(); t++)
{
// Set UV stream
uint32* char_ids;
int num_chars = IwGxFontSetUVs(*prep_text, -1, t, &char_ids);
// Generate transformed vertices from glyphs
int nv = num_chars << 2;
CzVec2* pVerts = IW_GX_ALLOC(CzVec2, nv);
CzVec2* pVert = pVerts;
if (m01 == 0 && m10 == 0)
{
// No rotation optimisation
for (int t2 = 0; t2 < num_chars; t2++)
{
CIwRect rc = prep_text->GetCharacterArea(char_ids[t2]);
float x1 = (float)rc.x;
float y1 = (float)rc.y;
float x2 = x1 + (float)rc.w;
float y2 = y1 + (float)rc.h;
float ax = (m00 * x1) + tx;
float ay = (m11 * y1) + ty;
float bx = (m00 * x2) + tx;
float by = (m11 * y2) + ty;
// if ((ax < clip.w && bx >= clip.x) && (ay < clip.h && by >= clip.y))
// {
pVert->x = ax + sx1;
pVert->y = ay + sy1;
pVert++;
pVert->x = ax - sx1;
pVert->y = by + sy2;
pVert++;
pVert->x = bx - sx2;
pVert->y = by - sy2;
pVert++;
pVert->x = bx + sx2;
pVert->y = ay - sy1;
pVert++;
// }
}
}
else
{
for (int t2 = 0; t2 < num_chars; t2++)
{
CIwRect rc = prep_text->GetCharacterArea(char_ids[t2]);
float x1 = (float)rc.x;
float y1 = (float)rc.y;
float x2 = x1 + (float)rc.w;
float y2 = y1 + (float)rc.h;
pVert->x = (m00 * x1 + m10 * y1 + tx + sx1);
pVert->y = (m01 * x1 + m11 * y1 + ty + sy1);
pVert++;
pVert->x = (m00 * x1 + m10 * y2 + tx - sx1);
pVert->y = (m01 * x1 + m11 * y2 + ty + sy2);
pVert++;
pVert->x = (m00 * x2 + m10 * y2 + tx - sx2);
pVert->y = (m01 * x2 + m11 * y2 + ty - sy2);
pVert++;
pVert->x = (m00 * x2 + m10 * y1 + tx + sx2);
pVert->y = (m01 * x2 + m11 * y1 + ty - sy1);
pVert++;
}
}
if (nv > 0)
{
// Set vertex stream
IwGxSetVertStreamScreenSpace((CIwFVec2*)pVerts, nv);
// Create a material
CIwMaterial* mat = IW_GX_ALLOC_MATERIAL();
mat->Copy(*IwGxFontGetFont()->GetMaterial(t));
mat->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_DISABLED);
mat->SetColEmissive(colour.get());
mat->SetClamping(true);
mat->SetFiltering(filter);
mat->SetAlphaMode(am);
mat->SetCullMode(CIwMaterial::CULL_BACK);
// mat->SetCullMode(CIwMaterial::CULL_NONE);
IwGxSetMaterial(mat);
// Finally draw the glyphs
IwGxDrawPrims(IW_GX_QUAD_LIST, NULL, nv);
CurrentAlphaMode = alpha_mode;
}
}
IwGxLightingOff();
CurrentTexture = NULL;
}